1.How long should small-site concrete mix before pouring?
1.小型混凝土搅拌多久后才能浇筑？
2.What is the minimum footing thickness for a three-story building?
2.三层建筑的最小基础厚度是多少？
3.What must be considered when designing a foundation?
3.设计地基时必须考虑什么？
4.What is the diameter of #4 rebar?
4.4 号钢筋的直径是多少？
5.What is the minimum crawl space ventilation area?
5.爬行空间的最小通风面积是多少？
6.Which bend degree is not allowed for horizontal rebar hooks?
6.水平钢筋弯钩不允许弯曲到什
7.How to attach a column/post to a building floor?
7.如何将柱子 / 立柱固定到建筑楼板上？
8.How deep must roots/stumps be cleared for a slab foundation?
8.板式基础的树根 / 树桩清除深度应为多深？
9.What is the rebar depth tolerance for ≤8” thick slabs?
9.厚度≤ 8 英寸的板坯，钢筋深度公差是多 少？
10.What is the minimum rebar splice lap?
10.钢筋接头的最小搭接长度是多少？
