引起混凝土开裂的原因很复杂，实际上每一条的裂缝的产生均由几种因素组合作用而成。
The reasons to cause the concrete crack are more complicated. In fact, each crack is produced by several factors.
温度变形和自生收缩变形等受约束形成的拉应力，是引起混凝土早期开裂的主要驱动力；
The tensile stress induced by restrained thermal and autogenous shrinkage deformations was the main driving force of cracking in concrete at early age.
研究了混凝土大坝闸墩由于气温的交替变化引起开裂的力学机理。
The mechanism of pier cracking in concrete dam due to alternative variation of atmospheric temperature is studied.
先天的安全储备不足加上各敏感性因素引起的应力波动，两者的效应总和达到混凝土的抗拉极限值，造成结构开裂；
The congenital safety margin and the stress fluctuations which caused by various sensitive parameters combine to the antipulls limit value of the concretes, and create the structure dehiscence.
随着碾压混凝土筑坝技术在坝工界的广泛应用，其开裂问题越来越引起人们的重视。
With the extensive application of RCC dam construction technology, the problem of concrete cracking has attracted more and more attention.
混凝土的早期开裂主要是由于混凝土失水所产生的干燥收缩、水泥水化所产生的混凝土自收缩以及水泥水化热所产生的温度应变所引起。
The early cracking of concrete is usually caused by dry shrinkage, autogenous shrinkage of cement hydration and thermal-strain by hydration heat of cement.
某水库库底地基变形较大，蓄水初期曾引起库底沥青混凝土防渗护面开裂。
Large deformation was induced in soils of a certain reservoir bottom during the first water impounding, and resulted in cracks in the asphalt concrete impervious face.
混凝土的开裂是由于温度的快速增加，构件中巨大的压应力，和构件中的高湿度引起的。
Spalling is the result of rapid rates of heating, large compression stresses in the member and high moisture content in the member.
混凝土开裂引起周围应力的突然变化和刚度降低是导致钢筋混凝土非线性的重要因素。
The non-linear performance of the concrete is caused by sudden changes in stress and reduction of stiffness in surrounding concrete which owe to the cracks.
将引起混凝土裂缝的类型归纳为塑性收缩开裂 ，干燥收缩开裂 ，水化热开裂三种 ，并对其表象及成因进行了阐述。
The types of those cracks are summarized as three kinds: plastic shrinkage cracking, dry shrinkage cracking and hydration heat cracking.
将引起混凝土裂缝的类型归纳为塑性收缩开裂 ，干燥收缩开裂 ，水化热开裂三种 ，并对其表象及成因进行了阐述。
The types of those cracks are summarized as three kinds: plastic shrinkage cracking, dry shrinkage cracking and hydration heat cracking.
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