【简答题】输出电流从0.1 上升到0.9 所需的时间称为
【单选题】关于工程施工中遗漏钢筋事故分析,以下说法正确的是( )
A.
框架外转角顶节点中,来自梁中的上部负筋,必须按规范和设计要求伸过节点,锚固于柱内一定长度(Ld及2Ld)
B.
选项A中做法不能阻止因梁内钢筋锚固长度不够而引起结构破坏。
【单选题】关于工程施工中遗漏钢筋事故分析,以下说法错误的是()
A.
新修订的《混凝土结构设计规范》和《建筑抗震设计规范》都进一步强调了框架节点的箍筋必须加密。
B.
新修订的《混凝土结构设计规范》和《建筑抗震设计规范》要求必要时,框架节点的箍筋还需进行详细的节点内力分析。
C.
新修订的《混凝土结构设计规范》和《建筑抗震设计规范》要求必要时,框架节点的箍筋还需采取相应的附加措施。
【单选题】What does the clip mainly talk about?
A.
The new building project in South Thames College might stop because the school doesn't have enough money.
B.
The new building project had led to South Thames College 's increasing amounts of debt.
C.
The increasing enrollment in South Thames College makes the school start the new building project.
D.
South Thames College gives its old building a refurbishment because the building is dangerous.
【简答题】在某工程施工现场,钢筋班工人准备将堆放在水池边狭窄地带的钢筋原料移至钢筋加工场,3名工人在钢筋堆旁作转运工作,由于堆放的钢筋不稳,某站在钢筋堆上的工人不慎没命,被随后滚落的一捆钢筋压伤,经抢救无效死亡。请分析事故的直接原因和间接原因,并总结事故教训。
【判断题】输出电流从0.1Ics上升到0.9Ics所需要的时间就是延迟时间
【单选题】What does “descend on” mean in this video clip?
【简答题】what issue does the clip talk about?
【单选题】What does the clip mainly talk about?
A.
The new building project in South Thhames College might stop because the school doesn't have enough money.
B.
The new building project has led to South Thhames College's increasing amounts of debt.
C.
The increasing enrollment in South Thames College make the school start the new buiding project.
D.
South Thhames College gives its old building a refurbishment because the builing is dangerous.