However,the thickness of the sealing coat is hard to be controlled,as the result,slumping of the asphalt mastic will occur under high temperature.

• 国内外一般均采用热施工的沥青玛蹄脂作为沥青混凝土防渗面板的封闭层,这种封闭层施工厚度不易控制,高温下多出现流淌。