"We found layers of what we call 'bad concrete, ' a definitely unnatural mixture of gravel(11) once used to form blocks with which this hill was covered, " Osmanagic said.
欧斯玛那吉克说:“我们找到了一种我们称为‘劣质水泥'的东西,显然不是天然的沙砾混合物。这种曾用来做砖头的混合物就覆盖在山上。”
Also disclosed is a method of moulding long concrete articles in which an homogenous concrete mixture is subjected to a moulding pressure above (5) bar in the absence of vibration.
还公开了一种模制长混凝土制品的方法,其中在无振动的情况下,使均质混凝土混合料受到5巴以上的模制压力。
应用推荐