we have finished up humidity adjustment interior material each of the groundwork material and the table material with rendering materials so far. Therefore, about one week was required to construct the wall though it was the lowest. Humidity adjustment interior material that used a special wallpaper as the groundwork material this time, and generated the negative air ion moreover were executed and the following passage observation was executed for immediately after paint and one year. There was no big state variation, and abnormality was seen and an excellent result was obtained without for the generation of the negative air ion.

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A large amount of wallpapers have been produced in Japan, it occupies 1/5 of total amount of production in the world wallpaper markets. Although there are many of kinds of the wallpapers, just only a few kinds of them are mainly used in market. The selection of fabric wallpaper is based on the designer's choice, and the demand and needs for consumers are not enough reflected in building design and construction. Moreover, the ingredient of wallpaper is almost composed by vinyl chloride resin, it is necessary to be considered the treatment in waste disposal and recycling stages. In such conditions, the new wallpaper which was made from Olefine Material was proposed, and it is also necessity to be kept using and preserving in long term. This study is conducted the evaluation of the expression for natural materials on the texture of new fabric wallpapers, and proposed the system for material selection of wallpaper.

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In modern buildings, comfortable spaces have been provided by means of high-insulation performance and high air-tightness. On the other hand, regarding with smell, there are many problems in buildings, especially in hospitals, there exists bad smell in not only lavatories and sanitary rooms but also sick rooms. Therefore, the authors have designed deodorizing paint by means of diluting paint with zeolite. This paper describes the selection of the most effective quantity for the developed paint, the performance of removing gas in case of the developed paint applied on the gypsum board, and the absorption performance in case of the developed paint applied on the surface of the absorption board.

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The environmental oparations by using waste and byproduct have been concerned in Japan. In this study, some kinds of concrete paste specimens using byproducts powder made of crushed stone or sea shell materials for applying as building finishing materials were produced, and the mechanical properties and porosity were investigated.

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In general, concrete substrate is coated with urethane waterproof material after contained water has dried enough.Because troubles of blistering and peeling of urethane waterproof membrane are found here and there after urethane waterproof material has become hardened.On the other hand,take account of quality and durability of concrete substrate, completely dry of it is not necessarily appropriate.With all these factors, we continue the investigation of relation between the amount of contained water of concrete substrate and the blistering of urethane waterproof membrane.In our previous report,we demonstrated that frequency of blistering is derived from type and property of primer.In this report, same as last, we describe the experimental result of some types of primer and consider the factor of reducing means of blistering of urethane waterproof membrane.

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In order to evaluate the durability of polyurethane waterproof coating (PUW), the outdoor exposure test was conducted for 10 years from 1982, as a part of the Comprehensive Technological Development Project of Ministry of Construction. The test proved that PUW satisfied the standard value of JIS A 6012 after 10 years service and the major deterioration factor was the chalking of topcoat surface. Hence the highly durable topcoats should contribute further long service life of PUW. Here we report an interim result in terms of gloss retention ratio and lightness/color difference of the surface after 17 months exposure on various topcoats, which were applied on top of polyurethane coating.

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The authors developed an outer wall repair technology of concrete buildings using the three-dimensional fiber material before.We have examined the long term validity of the new technique using an outer wall specimen repaired with the technique and placed in outdoors for 14 years.We have successfully confirmed the validity from the evaluation test.Regarding the proof stress of the net holding tiles of outer walls, it was recognized that no deteriorating change occurred by aging.

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Laser drilling for concrete is an attractive method for dismantling nuclear facilities and performing reconstruction generally of public buildings. The reduced amount of secondary waste is ideal for cutting irradiated biological shield walls in nuclear power plants, and the decrease in noise and vibration is advantageous for doing repair work, for example earthquake-proofing hospitals and schools. The design locates the outlet hole of laser beam and drill blades on a common rotational axis. The laser beam weakens the concrete, and the blade breaks the weakened layer. The performance of this drill is a drilling speed of 100 mm/min at 2 kW laser power to produce a f22 mm diameter hole.

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As a result of a invetigation into the actual conditions for a housing-building that has been appiled a renewal method for external walls by application of net overlaying and anchoring 20 years ago, it is clear that materials for the method have no deterioration. And then, economical evaluation with two case of life cycle cost estimation has been conducted. One case is repeat of removal of existing overall substrate mortar and surface coating. The other is application of the renewal method with net overlaying and anchoring. In this paper, it is judged that latter is more economical than former after 25 years from renewal construction, because the latter has expensive initial cost, but it is able to reduce running cost. In future, continuous invetigation into the actual conditions for the applied building would be conducted and confidence of delanation effect and LCC estimation would improve.

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In our previous studies, we reported that actual steel doors and sashes in Okinawa corroded from surface and there was a possibility of internal corrosion. This paper describes demolition survey of actual steel doors and sashes of 35-year-old public housing near costal area in Okinawa. The result corroborated that steel doors and sashes corroded internally.

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In former paper, we corroborated that steel doors and sashes corroded internally. This paper describes exposure test of steel door focused on temperatures and humidity. To clear the condition of a progression of internal corrosion, we measured changes in external surface temperatures and internal humidity of steel door in a year. We confirm that surface temperatures of the door on rainy days sometimes falls below dew-point temperature of internal air of the door. It showed there was a high possibility of internal condensation in such condition.

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It is often used that illuminating surfaces of wall or floor with spot light to create asplendid atmosphere for building exterior or interior space. This paper deals with theappearance of wall finishing rough surface illuminated with spot light for building. The studyfocus on the contrast of highlight and shadow by spot light to evaluate the appearance for thebuilding finishing rough patterns. The report considers the test results on the contrast ofhighlight and shadow in the surfaces finished by various rough patterns of test samples andactual walls.

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Recently, Separation of floor coatings is frequent in hard concrete floor finished by machine trowel. In this report, we examined adhesive properties within the floor coatings between concrete surface using test pieces which are finished by any different method like field. As a result, it was clarified as follows. (1) The finishing using machine trowel decreases the adhesion strength of floor coatings comparing with hand trowel. (2) Deep scratch on concrete surface Increases the adhesion strength of floor coatings.

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Performance of Folded-plate Roof Painted by Environment-consious Type Solar Heat Reflective Paint were Inspected with Box-type Test at Out-door. As the result, Solar Reflectance of Solar Heat Reflective Paint was Correlated with Roof Surface and Inside Temperature. It was Confirmed that Single Folded-plate Roof Painted White Reflective Paint was As Equal Performance of Reduce Surface and Inside Temperature as Double Folded-plate with Insulation Material a Hundred Millimeter in Thickness.

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VOC in the paint is spread and penetrated in surface of painted concrete. So, it is possible to considered that carbonation is inhibited because VOC is intervening around moisture in concrete. Further carbonation is suppressed by effectiveness of bloking transmission of carbon dioxide of coating.There we verified the effectiveness of VOC and the effectiveness carbon dioxide permeability by experiment with each factor. As a result, we show that VOC which is richly water-insoluble compound remain in the surface of painted concrete and VOC has transient carbonation suppressive effects until it is dried and vanished. Therefore we show it is appropriate to evaluate carbonation suppressive with coatings based on method of accelerated carbonation test data for late, that is not affected in VOC and is from that point showed progression of carbonation is faster because VOC is dry and vanished.Further we show that carbon dioxide gas-transmission rate of coatings has a very high correlation with carbonation suppressive of coating materials for textured finishes of buildings and liquid-applied compounds for waterproofing membrane coating of buildings.So it is possible to evaluate carbonation suppressive by measuring of coatings.

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This paper reports about the painting system on the pre-cast concrete panel. We evaluated micro-crack resistance and anti-blowning of the paint system and examined four paint systems. In exposure test, it caused micro-crack of some ceramic paint. And the result of the cyclic bending test explained that the paint system did not have micro-crack resistance. It caused blowning of some fluoride resin paint. But this paint system had high water holding capacity and vapor peamiability. So anti-blowning property was not related to vapor permeability and water holding capacity.

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In an architectural field, it is effective to improve a large amount of concretes used by construction to decrease carbon dioxide greatly.The nine-hundred-pound gorilla that has exhausted a large amount of carbon dioxides is an electric power,steel manufacture, a cement company. And these companies cooperate mutually and it is necessary to suppess the amount of generattion of carbon dioxide. Then, it is combined to cement while using the flyash of the iron and steel slag and the electric power company in the ironworks and making environmentally-friendly green conerete will fulfill the obligation of the industry. Slaggy and flyash were combined to cement, and then, green concrete that decreased concrete crabon dioxide to a past half was developed variously mixing it and precast concrete was put to practical use. Moreover,the calculated software that thinks about transportation and the distance of all the material of constructions is combined in the plan of construction mileage, and it reports on the case where manufacturing an earth friendly building component it enabled.

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It is known that finishing materials help concrete being used longer, but exactly the mechanism is not cleared. Especially, there are many points you have to research about water transportation in concrete with finishing materials. So I conducted basic research of water transfer properties of concrete with finishing materials. In this research I coated finishing compound and finishing mortar on each concrete and exposed it to three conditions, in other words drying ,water absorption and re-drying condition. Then I measured moisture content in the concretes by using Electrode Method and studied water transportation in concrete with finishing materials. I also did drying shrinkage test of each concrete and studied the effects of finishing materials on drying shrinkage of concrete.

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Reliability concerning the crack prevention of lath mortar is insufficient.The material and construction are thought as a factor of the crack. In the present study, the crack generated by the movement of the structure was evaluated by the racking test. As a result, because the crack can be prevented by the reinforcement method that the author executed, it reports.

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It is known that durability of RC components are improved by application of finishing coating materials. However, it is not clear the water transfer properties in surface layer of concrete applied finishing coating material sufficiently. In this study, it was carried out numerical simulations on water transfer in concrete applied finishing coating material using diffusion model. According to the results, water content of surface concrete with finishing coating material is high in early stage of drying. And it is no difference between water content of concrete with finishing coating material and naked concrete after a long period.

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The carbonation of reinforced concrete structures, the corrosion of steel by salt damage, the frost damages, the alkali-silica reactions are deeply related to moisture content in concrete. Therefore, by giving the exposure tests in Narashino, Chiba to show some effect that is doing to behaviors of moisture content in concrete, depending on the PVC sidings.In addition, when examining for protective effect of reinforced concrete, it is important to have durability of PVC sidings and clamps, so this report contains the results about these matericals which giving the exposure tests in Tomari, Hokkaido, Benoki, Okinawa, and Narashino, Chiba.

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Using Traditional Materials and Composite Materials Play a Scrap Wood and Plastic Wastes Have Been Discarded,Leaving an Exterior Finishing Material Furthermore,We Form the Residual Method.And Reckless Deforestation of a Tropical Wood,is Reported in the Forme of a Double Construction Mitigate the Burden on the Environment.

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Asbestos fibers can be released from asbestos containing cement sheets due to deterioration. The asbestos abatement technology by coating systems for deteriorated asbestos containing cement sheets has been developed. In this study, we measuring asbestos fiber density when performed for decorated cement shingles for dwelling roofs and corrugated slate sheets which revealed by outdoor revelation examination field of Building Research Institute (tukuba-shi, Ibaraki).

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Carbonation behavior of plaster coating materials and plaster were investigated in the study. Accelerated carbonation test was carred out in order to dertermine the degree of carbonation of the objected materials. The carbonation test was performed under ambient air with different humidity. It was found that the parabolic law which can be observed in the carbonation of concrete was not recognized in the carbonation of the plaster coating materials and plaster.

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Various studies has been examined the effect of carbonation suppressive for concrete by coating materials.In order to evaluate the effect of carbonation suppressive for concrete of a large number of coating materials rapidly, it is desirable to develop a more simple and rapid method. In this paper was studied to quickly evaluate the effect of carbonation suppressive for concrete, by evaluate the carbon dioxide Permeability with a method of permeability cup and box. As a result, there was certain correlation between carbon dioxide permeability of coating materials by box method and carbonation rate of coating materials by accelerated carbonation of concrete.

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As there is no evaluation item for anti-mold performance in JASS 18 M-307, which is material standard for wood protective coating materials. Authors proposed a test method for evaluationg anti-mould performance in previous report. This paper reported the result of outdoor exposure test for one year. The results obtained were compared with the results in the previous report. In conclusion, the results obtained in the outdoor exposure test was diffrent from that in the anti-mould performance test in the previous paper.

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Soiling caused by rainfall under the window frames influences beauty of external walls. We will examine the effect of pollution conditions and surface properties of various external finishing coating materials on cleaning effects of soiling from rainfall. As a result, we found that it is pollutants tend to adhere to external materials by dry condition. In wet condition, pollutants are easy to fall, and progress of soiling caused by rainfall is found to be a serious effect on initial water absorption rate, water contact angle and central average roughness.

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The finish material and construction specifications for reinforced concrete components, which is known to have a protective effect on body. In considering maintenance, that level of situation is important, not many points clear. Areas near the coast in especially, become problem penetration into the concrete of chloride ions that have been predicted by the mass transfer analysis, case studies were analyzed based on the outdoor exposure test for if you try to finish coating material specifications a few are present. This study, have been aimed Study of determining deteriorated of the film shown in Part 1, Reports the situation penetration of chloride ions in the outdoor exposure test of 10 years reported in the previous report in Part 5 Experimental results FEM analysis is performed based on the study report on the results of the inhibiting effect of chloride ion penetration of the finish coating material specifications.

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ecent years, the water system change of paints is advancing from the problem of environment pollution and the problem on work environment. However, the frequency which cleans the coating equipment and others after the use in water increases at water system paints's increasing as for paints employer side. The process of washing water was accompanied with this, came to use much water, and became a subject. A large amount of expenses become necessary for abandoned water process but the process way by the coagulant spreads as a way which deals simply with washing water and it is to put into the practical use and to doing a change. It used a new coagulant, worked the abandoned water process after paints washing, and the effect was inspected this time. The result of investigation study is reported.

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The environmental loads by CO2 emission from transportation have been causing concern in Japan, and environmental loads during long-distance transportation of materials such as building finishing materials should therefore be properly assessed. In this study, it is investigated to estimate the ton-kilometerage by trucks on the land routes and the resulting environmental loads due to CO2 emission of various finishing materials in building. The future environmental impacts for transportation are examined based on the estimation results

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When asbestos is abandon.It is necessary to solidification by liquid and after pack it double plastic bags.In this study, when asbestos was exposed damaging a double plastic bags, and was distributes in air.We tested a special liquid and clean water. we got result as follow:if using clean water, asbestos was not distributed easily in air.Another case,using a special liquid,in this case asbestos not distributed easily in air more than clean water.

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In recent society, global warming causes emission of carbon dioxide and raises remarkable issues. This study investigated the quantities of carbon dioxide on reinforced concrete buildings in the Tokyo metropolitan area during the manufacturing and transportation of materials to be used. Moreover, those quantities were compared between a basic RC building and a building using scallop shells. Scallop shells can fix carbon. As a result of calculations, scallop shells can contribute to the reduction total carbon dioxide quantities because they can store carbon dioxide on their own, and achieve the carbon-neutral theory, which states that quantities of emission and absorption of carbon dioxide are equal in the life cycle.

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Formaldehyde emission was measured from the plywoods which had been exposed for five years under various conditions. All the plywoods showed the allowable formaldehyde concentration in building standard law in Japan. However, after hydrosis treatment of the exposed plywoods, high formaldehyde concentration was detected.

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Two experimental houses were exposed to cold climate region (Asahikawa) and normal climate region (tukuba),and the movements exterior ceramic sidings were measured.The purpose of this study is to extend life time of detached house by clarifying the behaviors of joint between the sidings which is one of the critical parts for environmental attack. Accelerated weathering test was also performed and its behaviors were compared with thouse in exposed conditions.This paper reports on the tests results described above.

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A pet boom rolls in Japan of recent years in the latter half of the 1980's and it happens. Even only dogs and cats are reaching the number bred as a pet up to about 2684 numbers now. This figure is not very different from the number of 65-year-old or more senior citizen, and figure of the degree more than the total of less than 15-year-old child. However, it is a current state that development and the research of the universal design product that considers the pet are still scarce though it is such a society background. Then, to improve both QOL (Quality Of Life) and to improve it in both dogs and the people's living for "Dog" bred a lot in the pet, the present study is proposed architectural and evaluated.

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To evaluate the long-term durability of ceramic siding requires to focus on carbonation which is one of the deterioration factor. Solving the carbonation mechanism also helped my reseach. After conducting accelerated carbonation tests, a quantitative analysis was done. Based on the result, several different tests were examined from various perspectives. As a result, it was difficult to evaluate the carbonation by phenolphthalein in the sample, however, due to the chemical analysis outcome the formation of calcium carbonate. Additionaly, in some types of ceramic siding, carbonation shrinkage and mass increase in propotion to the amount of calcium carbonate occurred.

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This thesis is an arrangement for the result of "Standardization investigation research on the long-term durability evaluation technique of a pottery industry system siding" executed in Japan Testing Center for Construction Materials. In this report part 1, it reports on the result of the compound deterioration examination that Japan Testing Center for Construction Materials did as a verification experiment. In present JIS A 5422 (pottery industry system siding), weather resistance and the freezing and thawing-proof are provided for as an evaluation item of durability. Moreover, the neutralization (make to the carbonic acid) becomes from the document in the past and the hearing survey to the house maker and the degradation phenomenon by the cause becomes a problem. The degradation phenomenon when these deterioration factors act combining to evaluate the long-term durability of a pottery industry system siding is verified, and the problem in the examination method is enumerated.

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For the standardization on long term durability of cement sidings, the accelerating test on the combined deterioration was done in JTCCM to verify the applicability of the test. This thesis is the result of examination that was made by NYG upon the larger range of products for the reproducibility of the test. Cement sidings were classified for warm-temperature region or cold region. The moduli of rupture and the retentions of them after the treatment under the combined deterioration condition of considering each region requirement were roughly close to the results of JTCCM, therefore the reproducibility of the test was confirmed.

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This thesis is an arrangement for the result of "Standardization investigation research on the long-term durability evaluation technique of a pottery industry system siding" executed in Japan Testing Center for Construction Materials. In this report part 3, it reports on the proposals of long-term durability evaluation method of cement sidings based on the result of the compound deterioration examination in JTCCM and NYG.. The following conclusions were obtained. 1) It proposed the method of the combine degradation test for estimation of long term durability of cement sidings, which assumed the deterioration of ten years. 2) It proposed the load time and the cycle about the test condition based on the investigation and the test result.. 3) As for the test method concerning the weathering and the freezing and thawing, the method of the accelerating test to propose by this research is a problem because it needs a long term.

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Recently, such house with long-term durability has been desired in Japanese housing industry. Narrowing down the target to external wall material, we've focused on ricin finish coating which is cheap and commonly used as a finish coating material for external wall material. Ricin coating is a method to spray coating material mixed with aggregate using a spray gun as a paint finish for external wall material. With such advantages as indistinctive unevenness due to its rough and even finished surface as well as cheap price, it has been widely used. In ordinary ricin coating as it stands now, however, there are drawbacks such as color degradation, cracks on the surface and short expected life in waterproof performance. In order to improve durability of ricin coating, we've examined durability of ricin coated film by further applying a coating agent on it.

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Recently, powder coating that reduces environmental pollution because of no volatile organic compounds has been considerably noticed as alternative solvent type coating in Japanese construction industry fields. However, it has been begun to apply to interior finishing and it is rare to apply to exterior in the present Japanese construction. On the other hands, it has been popularized in overseas countries and over 10 years has been already passed from building completion. Durability has to discuss in order to popularize in Japanese construction. Therefore, investigation into the actual condition in overseas buildings has been executed. A main fruit of this research is the following. The powder coated building exterior has not visually remarkable deterioration and also it would be expected enough durability in application to Japanese building exterior.

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The multiple regression analysis of investigation data into the actual conditions in overseas buildings with polyester powder coating exterior that is reported in previuos paper are as follows. (1)Chalking is significantly influenced by sunshine and elasped time. That is agreeable to empirical knowledge. (2)Gross change is clearly influenced by sunshine, precipitation and elasped time. That is agreeable to empirical knowledge. (3)Color difference is influenced by sunshine. However, correlation between of calculation with invetigation is not enough. (4)Based on above results, if the polyester powder coating is applied in building exterior in Tokyo, it is estimated that chalikng would be progressed to class1 after 10 years from building completion and class3 after 20 yaers. Gross retention of south face of the building is estimated 65% after 10 years from building completion and 45% after 20 years. (5)It is judged that these deterioration is not behind in baking type solvent coating that has been popularized to building exterior in Tokyo.

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As a study about the durability of various coating systems which were surface treatment of aluminum used as sash and curtain wall cladding of the building, outdoors revelation examined nine kinds of 15 total articles of air drying coating systems (four kinds of eight articles) and baking finish coating systems (five kinds of seven articles) for 25 years. During this revelation examination, I measured the appearance change, stain, chalking, adhesion, color difference, gloss degree, film thickness of various coating systems. In addition, I carried out the surface analysis by SEM / EDX / FT-IR of the coating which I gathered from the examination body surface after the outdoor revelation end. Based on these outdoor revelation examinations / measurement results, I evaluated the weatherability various coating system articles of nine kinds of 15 total articles of air drying coating systems and baking finish coating systems which I held as an examination object.

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The solvent fluorine resin paintings are widely used for the surface finish of the aluminum alloy building materials for the long-term durability. In Japan, the powder coatings which doesn't contain the solvent are remarkable, because of the VOC exhaust problem.In the last presentation,we gave an account of the evaluated results about the cured powder coating's film on the aluminum alloy. We experimentally made the powder coating by adding oriented thermosetting fluorine resin with high weather resistance to polyester resin. This study is advanced aiming at practical use. In this report we present next three matters,1st:The outdoor weathering test results for three years in Okinawa.2nd:The evaluation for practical use by the large-scale painting material.3rd:The verification of mechanism that fluorine resin make the transition to surface layer.

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In previous announcement (No. 11), I described assessment upshot for test 18 months and 9 months of environmental management for baked enamel coating system started in 2008 years and 2009 was considered and reported it about the painting specification which could be applied.This report enforced assessment for outdoor exposure test 9 months of which used medicine marketed afresh in outdoor exposure test 30 months and 21 months and 2010 that passed furthermore for 12 months.As a result, as for the painting specification which applied the conversion treatment which did not include Cr, there is variance in engine-performance by kind of medicine and reports it because it became clear that even identification medicine was missed in stability.

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Recently, The awareness of global environmental preservation and human health and safety has heightened. There are technical challenges for heat curing painting onto aluminum alloy building materials. For example, applying Cr free type conversion coating or powder paint without organic solvent. Japan Society for Finishings Technology set up the paint environmental preservation study committee to establish proper paint specifications, and continues experimental evaluations for Cr free type conversion coating and powder coating. Based on the detailed analysis of the coating film and the result of neutral salt spray test for that, The authors investigated the application of this conversion coating, mainly Cr free type.

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Chemical coversion with chromium-free compounds for aluminum alloy surface preparation that is ecologically importannt is different from chomium chmeical conversion because substrate surface has not remarkable color after the treatment. Therefore, simplified daily quality control measure has to be established for practical use. In this paper, a kind of the chromium-free preparation that mainly includes zircon is experimentally discussed. Main results are as follows. (1)60 degrees gross with gross meter is possible to be measured after the treatment. It is clear that surface gross of aluminum substrate declines with the treatment. (2)If color difference is measured with color meter, Δb value is changed to plus side. It is judged that Δb value is possible to be applied to the daily qulity control. (3)Applying portable fluorescence X-ray micro analyzer is possible to detect increaseing of zircon. However, it is necessary to examine still more.

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Recently building of exterior wall large tile finishing are increasing from design requirement, safe and secure construction finishing tecnology of large tile is heavier than ordinary tile is recommended. In conventional method, the method that tack steel wire fixed to the back of tile on wall is popular as a preventive measure of spalling tile. But this method is more inefficient than mortar rendering method. Therefore we proposed new methodthat prevent from spalling tile using three-dimensional knitted fabric. And this method is not necesarry to tack steel wire. We verified adhesive durability by accelated weathering and prevention from spailling tile with out-of-plane deformation. In additon, we confirmed that this method is able to prevent from spalling tile during serve earthquakes by seismic test.

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The authors have developed external wall tiling system using organic adhesive for surface preparation. This paper describes the outline of the system and the results of adhesion tests.

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The authors have developed external wall tiling system using organic adhesive for surface preparation. This paper describes the fatigue property of the system. Results of shear tests and cyclic fatigue tests showed that the system has high fatigue resistance.

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