下述条款给出了普通和高强度混凝土的原理和规定。
P The following clauses give principles and rules for normal and high strength concrete.
结果表明，高强次轻混凝土梁比轻集料混凝土梁的抗剪承载力有较大的提高，且比普通混凝土梁的抗剪强度大；
The tests indicated that the ultimate shear strength of it was a little larger than normal-weight concrete beam's, and larger than lightweight concrete beam.
高性能混凝土是在大幅度提高普通强度混凝土性能的基础上以耐久性设计作为主要指针的一种新型高技术混凝土。
High performance concrete (HPC) is new high-tech concrete, which is on the basis of improving of the property and aimed at the durability design.
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