当梁跨度大于4m时,梁底模应起拱,起拱高度为跨度的:

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当梁跨度大于4m时,梁底模应起拱,起拱高度为跨度的:

A.0.8%~1%

B.1%~3%

C.3%~5%

D.0.1%~0.3%

参考答案:

答案:0.1%~0.3%