1.What is the minimum compressive strength for a slab on grade?
1.地面楼板的最低抗压强度是多少?
2.What is required for stump removal?
2.移除树桩需要什么?
3.Where is a vapor barrier placed for a concrete slab?
3.混凝土板的防潮层应该安装在哪里?
4.What\'s the smallest overlap needed for opposing joists?
4.相对托梁所需的最小重叠是多少?
5.How deep should a one-story foundation be at minimum?
5.单层地基至少应该有多深?
6.What\'s the best way to check if soil is expansive?
6.检查土壤是否膨胀的最佳方法是什么?
7.What\'s the diameter of #3 rebar?
7.3 号钢筋的直径是多少?
8.What\'s rarely a major part of granular soil?
8.什么很少成为颗粒土壤的主要部分?
9.Why cover new concrete in cold climates?
9. 为什么在寒冷气候下要覆盖新混凝土?
10.What\'s true about cemented soil?
10.关于水泥土的说法正确的是?