This paper describes experiments to obtain necessary data regarding safety of brick masonry facings installed by metal devices into concrete structures subjected to differential movements between clay brick masonry and reinforced concrete.One method of brick masonry finishings was examined against two types of movements as follows:(1) Horizontal thermal and moisture movement in a long term.(2) Flexural and shearing deformation in plane.One 20 m long wall specimen with brick masonry finishings on both sides was prepared in order to measure differential movements between the two materials for the first type of movements.The other wall specimen with a brick masonry finishing was loaded horizontally in the same plane of the wall for the second type of movments.As a result,various types of differential movements were measured.The fracture processes and the permissible deformation are discussed on the basis of these experiments in order to improve the safety performance of this type of brick masonry.

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Water proofness of reinforced concrete walls is deteriorated by formation of cracks. In order to recover water proofness, some injection methods are used to seal cracks. However, reinforced concrete walls which have water leakage are usually exposed to driving rain, water pressure and movement, and effectiveness of injection methods is difficult to be evaluated.In this paper, a water permeability test and a deformabikity test for estimating injection methods are proposed. The former is to confirm permeability and injectability for small cracks. An injection method which was said to recover water proofness and to have deformability was tested.

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Cardonation of concrete is controlled by surface finishing materials to a certain extent. It is thought that water transmission properties such as permeability of surface finishing materials affect the carbonation of concrete. In this paper, test methods for estimating water transmission properties of surface finishings are proposed, and relationships between the water transmission properties and carbonation contrlling effect of surface finishings are examined. In the proposed test methods, the specimens are small concrete test pieces with surface finishing materials. As a result, it becomes clear that the larger water vaper transmission of surface finishing materials becomes, the smaller carbonation resistance becomes.

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