乾燥収縮ひずみを三角分布と仮定した長期たわみ算定法の提案 : 鉄筋コンクリートスラブの長期たわみ算定法に関する研究その1

概要

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The aim of this paper is to propose an estimation method for long-term defection of reinforced concrete slabs, due to rigidity decrease caused by cracking, creep, shrinkage of concrete and slippage of tensile re-bar at fixed edges. Compared to previous methods, a new method of creep estimation influenced by shrinkage progress is introduced and estimation of creep and concrete stress is processed with numerical step by step method. Compared to those experimented in Japan, the calculated mid-long term deflections based on the calculated aging strain supposing shrinkage as triangular distribution are proved to be good upper limits to actual deflections of experimented fixed-end slabs.
社団法人日本建築学会の論文
2005-09-30