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1·The drying shrinkage strain develops slowly, since it is a function of the migration of the water through the hardened concrete.

干燥缩水应变发生较慢，因为它是一个水透过硬化混凝土的迁移作用。

2·Along with percentage of water loss and aggregate grade, the laws of small beam dry shrinkage strain and average dry shrinkage index.

小梁干缩应变、平均干缩系数随失水率、集料级配的变化规律。

3·Throughout the drying process, the surface of the free shrinkage strain is the largest, the more close to the core layer the smaller the free shrinkage strain.

在整个干燥过程中，表层的自由干缩应变最大，越靠近芯层自由干缩应变越小。

4·The rate of water evaporation, shrinkage strain and the area of cracks increase with increasing exposure temperature and wind velocity, and with decreasing relative humidity.

混凝土的水蒸发速率、收缩变形、开裂面积都随着环境温度和风速的增加而增大，随着相对湿度的升高而降低；

5·Thirdly, we apply the theory of increment method to analyze the stress field of basement in construction period under the action of temperature and shrinkage strain by finite program ANSYS.

再次，运用增量法的原理，用ANSYS分析地下室结构施工期间在温度、收缩变形作用下的应力场。

6·Research results show that the relationship between autogenous shrinkage at early ages and ultimate tensile strain can be approximately figured by a quadric equation.

研究结果表明，混凝土早期自收缩大小与相应的极限拉伸应变具有显著的二次曲线关系；

7·Suggest the nonlinear elastic Constilutive model taking into the account of strain-softening, shear dilatancy(shrinkage)properties and stress path.

提出考虑土的应变软化、剪胀（剪缩）性和应力路径影响的非线性弹性模型。

8·The early cracking of concrete is usually caused by dry shrinkage, autogenous shrinkage of cement hydration and thermal-strain by hydration heat of cement.

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。

9·The results show that the interfacial stress produced from the shrinkage of the matrix in the composites injection molding process can strain induced crystallization of th.

结果表明，该共混体系中界面应力的应变诱导致结晶作用及其所引起的基体中伸展链晶体网络结构的形成是该材料实现脆韧转变的重要原因。

10·Prolonging the heat-setting time to provide enough relaxation time for high elastic strain, which can also reduce the inner stress and the dry heat-shrinkage.

延长定型时间有利于高弹形变的松弛，降低内应力，有利于降低干热收缩。