1.Why use control joints in concrete pavements?
1.为什么要在混凝土路面中使用控制缝？
2.What\'s the max anchor bolt spacing for a 1-story house?
2.单层房屋的最大地脚螺栓间距是多少？
3.What is the least required depth for a footing below ground level?
3.地基基础埋入土中的最小深度是多少？
4.What weather makes concrete placement unadvisable?
4.什么天气不适合浇筑混凝土？
5.Why compact placed concrete?
5.为什么要压实浇注混凝土？
6.What is the typical lap splice length for #4 rebar?
6.4 号钢筋的标准搭接长度是多少？
7.What grid reinforces the slab\'s main field edges?
7.哪种钢筋网用于加固楼板的主边缘？
8.What does the designation "Grade 60" indicate for horizontal reinforcing steel?
8. 水平钢筋的“60 级”是什么意思？
9.Which test measures concrete consistency?
9.哪项测试可以测量混凝土的稠度？
10.What hammer drives stakes into the ground?
10.什么锤子可以把桩打入地面？
