![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
《建筑施工扣件式钢管脚手架安全技术规范》(JGJ130-2011)规定,扣件在螺栓拧紧扭力矩达到()时,不得发生破坏。
A.50N·m
B.60N·m
C.65N·m
D.70N·m
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
C、65N·m
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.50N·m
B.60N·m
C.65N·m
D.70N·m
C、65N·m
A.150~200
B.250~300
C.300~450
D.450~500
A.150
B.200
C.250
D.300
A.《建筑施工扣件式钢管脚手架安全技术规范》JGJ130--2011
B.《施工现场临时用电安全技术规范(附条文说明))JGJ46-2005
C.《施工现场机械设备检查技术规程》JGJ160-2016
D.《塔式起重机安全规程》GB5144-2006