四本柱よりなるRC立体ラ-メンにおけるはり-スラブ系の終局曲げ耐力

概要

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The ultimate strength and crack pattern of a beam-slab system is investigated on a reinforced concrete building frame subjected to horizontal load. Two rectangular space frame models are tested. One of them is horizontally loaded in the direction of one plane of the frame (parallel loading). The other is loaded in the direction of a 45 degree angle from one plane of the frame (diagonal loading). Both frames are designed to collapse under the conditions that the columns remain in elastic range during the loading. Analysis of the ultimate strength is also done based on the plastic hinge method. The experimental results are discussed in comparison with their analytically estimated values. The experimental observations are summarized as follows: 1) The ultimate strength of a rectangular space frame subjected to horizontal force diagonal to a frame plane is sixteen percent higher than that of one subjected to horizontal force parallel to the frame plane. 2) Crack patterns on the beam-slab system are quite different between diagonal and parallel loading.
鹿児島大学,カゴシマダイガク,Kagoshima Universityの論文