ハーフプレキャストコンクリート基礎梁の一体性評価に関する基礎的研究(材料施工)

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タイトル別名
  • A FUNDAMENTAL STUDY ON UNIFORMITY OF HALF PRECAST CONCRETE FOUNDATION BEAM(Materials and Construction)
  • ハーフプレキャストコンクリート基礎梁の一体性評価に関する基礎的研究
  • ハーフ プレキャスト コンクリート キソリョウ ノ イッタイセイ ヒョウカ ニ カンスル キソテキ ケンキュウ

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抄録

Recently, method of construction using half precast concrete technique has come to public notice. But it is necessary to confirm the uniformity in the process of execution and the uniformity of structural members as finished products. In this paper, bending test results of beams are discussed for test specimens manufactured by technique of half precast concrete and in-situ concrete based on the following five measured items; 1) Relation of load-deflection and bending moment-curvature, 2) Relation of load-strain of reinforcing bars and at surface of test specimens, 3) Failure state, 4) Total width of bending cracks and 5) Electric resistance of carbon censers built in test specimens. As the results of comparison, it is obtained that the parts of precast concrete form and in-situ concrete behave almost uniformly until the ultimate state. And also, structural property of the test specimens manufactured by technique of half precast concrete is very similar to the test specimens manufactured by in-situ concrete technique.

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