采用先进的S管形式的分配阀，满足细骨料混凝土的泵送。
It is adopts s type distribution valve. It satisfies to pump fine aggregate concrete.
计算结果显示，不同细观骨料模型具有相似的规律，即随预静载增大，混凝土动弯拉强度上升，至一定峰值后回归到静载强度。
The law shows that, along with the static pre-load increasing, the dynamical bending strength of concrete would go up to a peak value and then move downward to the static strength.
从混凝土组成的细观角度出发，研究水泥砂浆包围的骨料，在温度荷载作用下首先在骨料与砂浆的界面上产生界面微裂缝。
In the view of the concrete's minute construction, cement and mortar encircled bone, there is tiny crack on interface of bone and mortar under temperature load.
对大屯沸渣的基本性能进行了分析研究，并对沸渣作混凝土的细骨料进行试验，结果表明，其在混凝土中应用是可行。
This paper analyses the characteristic of bottom ash of fluidized bed boiler in Datun and introduces the experiment results of the bottom ash as fine skeleton of concrete.
应用混凝土细观结构模拟技术，获得了任一级配骨料的界面体积分数。
Applying the simulation technique of concrete mesostructure, the ITZ volume fraction was obtained for a given aggregate grading.
本文采用随机骨料模型和双折线损伤模型相结合，在细观层次上对混凝土在单轴荷载作用下的力学特性和破坏机理进行了数值研究。
In this paper, the random particle model and double lines damage model are used, and uniaxial mechanical properties of concrete and the damage mechanism are integrated on meso-level.
混凝土多边形骨料的数值模拟方法在细观层次上将混凝土看成是一种由骨料和砂浆基体所组成的二相复合材料。
The concrete was taken as a two-phase composite material consisting of mortar matrix and aggregate on mesoscopic level in the numerical simulation approach for polygonal aggregate.
本文研究了再生粗骨料掺量、再生细骨料掺量、粉煤灰取代水泥量和水灰比对再生混凝土抗压强度和坍落度的影响。
The effect of recycled coarse aggregate quantity, recycled fine aggregate, PFA replacing cement quantity and water cement radio on the recycled concrete compression strength and slump.
分析了细骨料和粗骨料对高强混凝土徐变性能的影响规律，提出了徐变系数的预测计算公式。
The formula is proposed for predicting the creep-coefficients of high-strength concrete of different aggregates.
分析了细骨料和粗骨料对高强混凝土徐变性能的影响规律，提出了徐变系数的预测计算公式。
The formula is proposed for predicting the creep-coefficients of high-strength concrete of different aggregates.
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