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.
探讨了废旧轮胎胶粉的细度和掺量对水泥砂浆抗折抗压强度的影响。
The influence of the fineness and the amount of the rubber powder on the flexural and compressive strength of cement mortar are researched.
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