the water consumption of high-quality recycled fine aggregate concrete is higher than that of natural aggregate concrete;
粉煤灰、普通矿粉、超细矿粉、硅灰等矿物掺合料能明显改善混凝土的坍落度、和易性;
finally, the formulation of both modulus of elasticity and simplified stress-stain relationship curve on c45 fine aggregate concrete were proposed.
最后,提出了c45细石混凝土弹性模量和简化三直线混凝土应力-应变关系曲线的计算公式。
an approach to ground of fine aggregate concrete without sand is introduced in respects of raw and processed materials, proportioning ratio, construction technology, and so on.
结合工程实例对投石压浆无砂混凝土小桩复合地基的设计原理和施工工艺进行了综合分析 ,并强调施工中应注意施工现场的质量管理和质量核验 。
the following conclusions were reached: the ratio of prism compressive strength to cubic compressive strength of c45 fine aggregate concrete is 0.68.
得出了以下结论:c45细石混凝土的棱柱体抗压强度与立方体抗压强度的比值为0.68;