研究掺聚醋酸乙烯水泥砂浆的轴拉和轴压应力—应变关系、抗弯性能以及长期粘结抗弯强度。
This paper delivered the relationships of uniaxial tensile and compressive stress with strain and bending properties, and felt-bending strength of cement mortar with polyvinyl acetate (PVAC).
讨论了膜结构本身在应力与位移等方面的影响，着重研究了张拉索膜结构对锚固基础抗拉刚度和位移限度方面的要求。
The stresses and displacements of membrane structure were discussed and the emphases were put on the requirements of its anchor's tension stiffness and the displacement limitation.
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.
研究表明，随拉压循环次数的增加，应力向钢筋集中，钢筋承受的拉力随之增大，抗拔力大部分由底部的锚固头提供。
The study shows that the stresses are concentrated in the reinforcing steel bar and increase with the number of cycle. The bolted body of bottom mainly provides anti-pull bearing capacity.
研究表明，随拉压循环次数的增加，应力向钢筋集中，钢筋承受的拉力随之增大，抗拔力大部分由底部的锚固头提供。
The study shows that the stresses are concentrated in the reinforcing steel bar and increase with the number of cycle. The bolted body of bottom mainly provides anti-pull bearing capacity.
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