材料简介

论文简介：

Concrete is defined as a composite material which consists essentially of a binding medium of embedded particles or aggregate fragments. In Portland cement concrete, the binder is a mixture of Portland cement and water. Asphalt and other cements are used to make various types of concrete, but commonly the term concrete refers to Portland cement concrete.



附件名：20115161305536745140.zip

文件大小：2537K

(升级VIP 如何赚取土木币)