【多选题】钢筋的混凝土保护层厚度,必须符合设计要求,设计无要求时应符合的规定有______。
A.
钢筋机械连接件的最小保护层厚度不得小于20mm
B.
当受拉区主筋的混凝土保护层厚度大于20mm时,应在保护层内设置直径不小于6mm、间距不大于100mm的钢筋网
C.
应在钢筋与模板之间设置垫块,确保钢筋的混凝土保护层厚度,垫块应与钢筋绑扎牢固、错开布置
D.
普通钢筋和预应力直线形钢筋的最小混凝土保护层厚度不得大于钢筋公称直径
E.
后张法构件预应力直线形钢筋不得小于其管道直径的1/2
【简答题】Task 5 Listen and complete. Listen to the passage and fill in the blanks with the words you hear. Many business people have to travel on business. Therefore, it is 1)____________for business people...
【多选题】事故统计分析是将汇总整理的资料及有关数值形成书面分析材料,填入统计表或绘制统计图,使大量的零星资料( ),是统计工作的结果。
【单选题】受力钢筋保护层应符合设计要求;设计无规定时不能小于受力钢筋直径和下列规定:墙、板、壳和柱、梁、桩保护层厚度分别为( )
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【判断题】在钢筋工程量计算中,受力钢筋的混凝土保护层厚度应符合设计要求,当设计无具体要求时,不应大于受力钢筋直径,并应符合有关规定。
【多选题】事故统计分析是将汇总整理的资料及有关数值,填入统计表或绘制统计图,使大量的零星资料(),是统计工作的结果。