by mass of cement的意思|示意

In mass concrete construction, the structural cracks by cement hydration heat will influence the durability and mechanical properties of concrete.

在大体积混凝土施工中，由于水泥水化热等多种因素产生的混凝土结构裂缝将影响混凝土的耐久性能和力学性能。

Objective: Inquire into the effective method of treatment to mass casualties injury by hot cement.

前言：目的：探讨成批热水泥粉尘烧伤救治的方法和措施。

For mass concrete construction, cement caused by hydration heat of concrete pouring temperature and internal stress of dramatic changes in temperature, is the main reason for cracks in concrete occur.

对于大体积混凝土建筑，水泥水化热引起混凝土浇筑内部温度和温度应力剧烈变化，是导致混凝土发生裂缝的主要原因。