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一般钢筋砼的有坡度(一般指自坡度7％～70％)及平顶(一般指坡度在7％以下)屋面的防水层设计,多系采用焦油沥青或石油沥青浸制的卷材层(按照地区气候条件、屋面坡度及工程性质来选择卷材层的材料及铺设层数。这种屋面防水材料也常用于其他屋面基层,如木基层的条件下)。这种构造型式,不论在材料生产,施工条
The waterproof layer design of general reinforced concrete roofs (generally referred to as slopes from 7% to 70%) and flat roofs (generally referred to slopes below 7%) is mostly based on tar pitch or petroleum asphalt impregnated coil layers ( In accordance with regional climatic conditions, roof slope and engineering properties to select the coil layer material and the number of layers to be laid. This type of roofing waterproof material is also commonly used in other roof bases, such as wood base layer conditions). This type of construction, whether in material production, construction