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全文: "Petronas Twin Towers"
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  • Lin Feng, Sun Wenbin
    Journal of Asian Architecture and Building Engineering
    2017年 16 巻 2 号 371-378
    発行日: 2017/05/15
    公開日: 2017/05/15
    ジャーナル フリー
    Force transfer in misaligned columns in building structures can be implemented using overlapping column transfer assemblies. Two 1/6 scaled models of overlapping column transfer assemblies were tested to investigate their mechanical behavior under monotonic loadings. Both specimens were constructed using reinforced concrete and had an overlapping ratio of 0.56, one of which was encased with a steel truss with a cross-sectional steel plate ratio of 3.73%. A finite element method-based model was built, verified and used for parametric studies. Results indicated that the load bearing capacities of the steel-encased assembly increased by 35% compared to that of the assembly without steel. The increase in cross-sectional steel plate ratios and decrease in overlapping ratios improved the load bearing capacities of steel-encased assemblies.
  • Siti Norbaizura MD REJAB, Tomohito HAMADA, Takeshi FUJIWARA
    土木学会論文集G(環境)
    2012年 68 巻 5 号 I_49-I_57
    発行日: 2012年
    公開日: 2013/02/13
    ジャーナル フリー
     Compares to other middle income developing countries, Malaysia is emitting a significant amount of greenhouse gases (GHG) that causes global warming. Feasibility study on building a low-carbon society in its Multimedia Super Corridor city, Cyberjaya Digital Green City 2025 (DGC2025) was launched following the study of Putrajaya Green City 2025. The main objective of these studies is to build the cities to become a pioneer township in Green Technology. Smart 3R Cyberjaya is one of DGC2025 four themes and focuses on planning alternative solid waste management that fulfil the challenge of building both low-carbon and sound material society. Smart 3R Cyberjaya set the target of building a zero emission society that depend less on landfill and actively practicing waste reduction at source. This is quantitatively represent as 75% reduction of waste sent to landfill site and 50% reduction of total greenhouse gases emission, compare to 2025 business as usual scenario. Three counter measure scenarios were evaluated from combination of waste reduction at source; 2R actions and waste treatment selection; food disposer, recycling and thermal treatment. Solid wastes modelled in our scenarios are household solid waste, business solid waste, sludge, green waste and electrical and electronic waste (e-waste). In 2025, total waste generation is 207 ton/day and 1041 ton/year of e-waste. Both waste and GHG reduction target is achievable at 2025CM3 scenarios, 78% (172 t/day) and 84% (1459 t-CO2/day), respectively. Results of other scenarios could also give us a new image of alternative future society.
  • 矢嶋 雅倫, 佐野 友紀, 門倉 博之, 関澤 愛
    日本建築学会環境系論文集
    2015年 80 巻 710 号 315-322
    発行日: 2015年
    公開日: 2015/05/12
    ジャーナル フリー
     This study aims to elucidate the characteristics of evacuees' movements on the staircase of a high-rise building, such as the flow rate, walking speed, evacuee density, and merging ratio at the staircase landing, for evacuation planning, evacuation calculation, and computer simulation on the basis of observational data of a total evacuation drill.
     The characteristics of the walking and merging behaviors of occupants of a high-rise building descending to the staircase were investigated on the basis of observational data of a real total evacuation drill conducted in a high-rise building in Tokyo. The results are expected to be useful for developing and validating simulations by a computer model as well as evacuation calculations.
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