1.What mix ratio is 1:2:4 considered?
1.1:2:4 的配比被视为什么类型？
2.When must concrete discharge after water addition?
2.混凝土加水后必须什么时候卸料？
3.Which material provides the greatest load-bearing capacity?
3.以下哪种材料的承载力最高？
4.What\'s the simplest method to prevent water from pooling under a slab?
4.防止板下积水的最简单方法是什么？
5.What is one way to prevent freshly poured concrete from freezing in cold weather?
5.在寒冷气候中，如何防止新浇筑的混凝土结冰？
6.Which size of rebar is typically used to reinforce stem walls?
6.哪种规格的钢筋通常用于加固地梁？
7.What to do if roots are found while digging for a footing/slab?
7.挖掘地基 / 板时发现树根怎么办？
8.California Building Code requires sill plates in Seismic Design Category E to use:
8.加州建筑规范要求抗震设计类别 E 的门槛板使用：
9.Granular soil contains the smallest amount of which material?
9.颗粒状土壤中含量最少的是哪种成分？
10.What\'s the purpose of rebar?
10.钢筋的用途是什么？
