Compared with ordinary concrete, the mechanical properties of stone-chip concrete were studied.
通过对比试验研究了石屑混凝土的力学性能。
The results showed that the strength of stone-chip concrete is higher, and the modulus of elasticity is slightly higher than that of ordinary concrete.
结果表明，石屑混凝土的抗压强度、劈拉强度、轴心抗压强度比普通混凝土高，弹性模量略大于普通混凝土；
The stone chip was one of the first tools that people used, and perhaps it is the most important.
石片是人类最早使用的工具之一，也许它是最重要的工具。
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