我国是一个文明古国,世界上最古老的混凝土也诞生在我国。甘肃省考古研究所于1980年和1983年在甘肃秦安县的大地湾(黄河支流渭水之畔,离西安以西约600公里处)先后发掘出两个大型住宅遗址,面积分别为131m~2和150m~2,住宅的地坪系用混凝土建造。经测算,它们距今已有五千年的历史,即这些住宅相当于在“新石器时代”所建造。 China is an ancient civilization and the oldest concrete in the world was born in China. The Gansu Provincial Institute of Archaeology unearthed two large-scale residential sites in the Dadi Bay of Qinan County (about 600 kilometers west of Xi’an) in Qin’an County, Gansu Province in 1980 and 1983, with area of ​​131m~2 and 150m respectively. ~2, the residential floor is constructed of concrete. It is estimated that they have a history of 5,000 years ago, that is, these houses were built in the “Neolithic Age.”