高強度モルタルの打込み上面に生じるこわばりの測定方法に関する基礎検討

概要

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This paper discusses a measuring method of the premature stiffening zone formed at the top surface after placing of high-strength mortar with a water-binder ratio below 0.2. In this experiment, first a measuring method of the premature stiffening zone was devised by using penetration resistance measurements. The penetration resistance distribution, resistivity distribution and moisture content measurements of mortar specimens simulated high-strength concrete with a design strength of approximately 150N/mm^2 were then conducted to assess the appropriateness of the measuring method of the premature stiffening zone. The results reveal that the measuring method was applicable to determining the occurrence and approximate depth of premature stiffening zone for high-strength mortar.
社団法人日本建築学会の論文
2008-08-30