摘要
本文分析了在钢管约束下自应力混凝土的膨胀机理。采用了以钢管试模约束下成型的圆柱体来测定核心自应力混凝土的抗压强度,阐明了核心自应力混凝土的膨胀及抗压强度随钢管轴向含钢率和外掺膨胀组分量变化的规律。
The expansion mechanism of self-stress concrete confined by steel tube is analyzed in this paper. The concrete cylinder fabricated under the confining of steel tube mould is used to determine the compressive strength of self-stress core concrets. The variable regularity of self-stress core concrete with the changes of steel content and the dosage of added expansion components is expounded.
关键词
自应力
混凝土
钢管
膨胀
抗压强度
self-stress core concrete
expansion
compressive strength
tri-directional restraint
