因此，该设计方法的验算公式与其相应的裂缝控制宽度是相辅相成的，设计方法也是安全可靠的。
Therefore, the checking formula for the designing method is consistent with the crack control width and the designing method is safe and reliable.
以混凝土结构设计规范(GBJ10—89)为基础。建立了强力钢筋做预应力筋的预应力混凝土结构用名义拉应力控制裂缝宽度的方法。
Based on the design code of concrete structure (GBJ10-89), the paper gives the nominal tensile stress method of controlling crack width in prestressed concrete structure of punchy bars.
聚丙烯纤维可有效控制混凝土早期干缩裂缝的长度、宽度和数量。
The polypropylene fiber can effectively control the length, width and number of the drying shrinkage crack of early-age concrete.
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