海砂腐蚀与“海砂屋”危害

SEA SAND CORROSION AND HARM OF “SEA SAND HOUSE”

我国建筑用河砂逐渐出现缺乏现象 ,开发利用海砂是必要的。但海砂中含有氯盐 ,能引起混凝土中钢筋腐蚀 ,破坏建筑物。“海砂屋”就是不适当地使用海砂的恶果。

There is a gradual absence of river sand for constructions in China,and it is necessary to exploit and use sea sand.The chloride containing in sea sand can corrode rebar in concrete and destroy building.A “sea sand house” is the evil consequence of improper use of sea sand.