silica fume concrete meaning in English

硅尘混凝土

Orthogonal design application for the experiment of silica fume concrete
正交设计在硅粉混凝土试验中的应用
H . toutanji , s . mcneil , and z . bayasi . chloride permeability and impact resistance of polypropylene - fiber - reinforced silica fume concrete . cement and concrete research , 1998 , 28 ( 7 ) : 961 - 968
王依民,倪建华,潘湘庆.混凝土防裂用改性聚丙烯纤维工艺研究.化学建材, 1997 ( 4 ) : 172
The borderline w / b ratio for fly ash and silica fume concrete is about 0 . 36 and 0 . 4 , respectively . 5 ) polypropylene fiber can make them quite effective in the suppression and stabilization of microcracks in fresh concrete matrix
7 ）在室外太阳辐射、 8m / s风速条件下，新拌混凝土的塑性开裂与水灰比有关，水灰比界限约为0 . 4 。