Ta老师题库

跨度为8m、混凝土设计强度等级为C40的钢筋混凝土简支梁，混凝土强度最少达到（　　）N/mm2时才能拆除底模。[2013年真题]

16 查阅

A、28

B、30

C、32

D、34

参考答案:

B

跨度为8m的简支梁拆除底模时，混凝土强度至少要达到设计的混凝土立方体抗压强度标准值的75％，即40×75%=30MPa。

一级建造师

相关问题:

If I ______ in your place ， I wouldn

The ukulele is a ________ instru men

Applicants should note that all posi

Successful learning is not a(n)_____

Students enrolled as full-time can f

They fulfilled the plan much earlier

You should not have driven that car

He has made another wonderful discov

随便看看:

版权所有,保留一切权利！© 2018-2023 Ta老师 Talaoshi.com 湘ICP备18019507号-1 联系QQ:469958。