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METHOD FOR PREDICTING MAXIMUM CRACK WIDTH
PROBLEM TO BE SOLVED: To provide a method for predicting the maximum crack width, capable of accurately predicting the maximum crack width in a reinforced concrete structure formed by arranging a crack dispersion material between a reinforcement and a concrete surface.SOLUTION: The maximum crack width W is calculated by the following formulas, W=L×ε, L=α×L+(1-α)×L, L=4c+0.7e, and L=4c+0.7e, where W is the maximum crack width (mm); Lis the maximum crack interval (mm); εis an average reinforcement strain; α is a distribution coefficient; Lis 4c+0.7eof a crack dispersion material; Lis 4c+0.7eof a reinforcement; cis a pure covering (mm) of the crack dispersion material; eis a space (mm) of the crack dispersion material; cis a pure covering (mm) of the reinforcement; and eis a space (mm) of the reinforcement. The method for predicting the maximum crack width includes predicting the maximum crack width W on the basis of the calculated result.
【課題】鉄筋とコンクリート表面の間にひび割れ分散材が配設されてなる鉄筋コンクリート構造物において、最大ひび割れ幅を精度よく予測することのできる最大ひび割れ幅の予測方法を提供すること。【解決手段】最大ひび割れ幅Wを以下の式で算定し、W=Lmax?εs.ave、Lmax=α?L1+(1−α)?L2、L1=4c1+0.7e1、L2=4c2+0.7e2、ここで、Wは最大ひび割れ幅(mm)、Lmaxは最大ひび割れ間隔(mm)、εs.aveは平均鉄筋ひずみ、αは分配係数、L1はひび割れ分散材の4c1+0.7e1、L2は鉄筋の4c2+0.7e2、c1はひび割れ分散材の純かぶり(mm)、e1はひび割れ分散材のあき(mm)、c2は鉄筋の純かぶり(mm)、e2は鉄筋のあき(mm)であり、算定結果に基づいて最大ひび割れ幅Wを予測する最大ひび割れ幅の予測方法である。【選択図】図1
METHOD FOR PREDICTING MAXIMUM CRACK WIDTH
PROBLEM TO BE SOLVED: To provide a method for predicting the maximum crack width, capable of accurately predicting the maximum crack width in a reinforced concrete structure formed by arranging a crack dispersion material between a reinforcement and a concrete surface.SOLUTION: The maximum crack width W is calculated by the following formulas, W=L×ε, L=α×L+(1-α)×L, L=4c+0.7e, and L=4c+0.7e, where W is the maximum crack width (mm); Lis the maximum crack interval (mm); εis an average reinforcement strain; α is a distribution coefficient; Lis 4c+0.7eof a crack dispersion material; Lis 4c+0.7eof a reinforcement; cis a pure covering (mm) of the crack dispersion material; eis a space (mm) of the crack dispersion material; cis a pure covering (mm) of the reinforcement; and eis a space (mm) of the reinforcement. The method for predicting the maximum crack width includes predicting the maximum crack width W on the basis of the calculated result.
【課題】鉄筋とコンクリート表面の間にひび割れ分散材が配設されてなる鉄筋コンクリート構造物において、最大ひび割れ幅を精度よく予測することのできる最大ひび割れ幅の予測方法を提供すること。【解決手段】最大ひび割れ幅Wを以下の式で算定し、W=Lmax?εs.ave、Lmax=α?L1+(1−α)?L2、L1=4c1+0.7e1、L2=4c2+0.7e2、ここで、Wは最大ひび割れ幅(mm)、Lmaxは最大ひび割れ間隔(mm)、εs.aveは平均鉄筋ひずみ、αは分配係数、L1はひび割れ分散材の4c1+0.7e1、L2は鉄筋の4c2+0.7e2、c1はひび割れ分散材の純かぶり(mm)、e1はひび割れ分散材のあき(mm)、c2は鉄筋の純かぶり(mm)、e2は鉄筋のあき(mm)であり、算定結果に基づいて最大ひび割れ幅Wを予測する最大ひび割れ幅の予測方法である。【選択図】図1
METHOD FOR PREDICTING MAXIMUM CRACK WIDTH
最大ひび割れ幅の予測方法
MURATA HIROSHI (Autor:in) / FUKUURA NAOYUKI (Autor:in)
25.06.2015
Patent
Elektronische Ressource
Japanisch
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