...裂缝控制验算；有效预拉力 [gap=591]ywords:post-tensioned prestressed concrete; two-way slab; loadbalancing method;the Crack-control test; effective prestress force ..
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Based on the test results, the calculation formulas of the width in cistern structure are proposed, and the detailing requirements of short bars are advanced in order to control the crack width.
以试验结果为基础，提出了水池结构中裂缝宽度的计算公式及控制裂缝宽度的短钢筋的构造要求。
As the current M1 card access control systems commonly used by crack, existing access control system security is facing a severe test, so select CPU card is the best means out of this predicament.
由于目前门禁系统常用的M1卡被破解，现有门禁系统安全面临严峻考验，选择CPU卡则是摆脱这种困境最好的手段。
In order to increase the performances of seepage control and crack prevention of metamorphic concrete, the test and study on metamorphic material and its mix proportion should be further made.
为了提高变态混凝土的抗渗防裂性能，应在变态用材料及其配合比上作进一步的试验研究。
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