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(一四一)卷材屋面的油毡为什么会开裂?卷材屋面的油毡开裂是一种普遍存在严重的症害之一,它可直接导致屋面漏雨,影响建筑物的正常使用。经查阅资料和规范组对我国屋面调查,油毡开裂可分两种:一种为有规律的沿预制板支承端的板缝
(14) Why does the linoleum of the coiled roof crack? Cracking of the felt in the coiled roof is one of the most serious symptoms. It can directly lead to roof leakage and affect the normal use of the building. After consulting the data and normative group on China’s roof survey, the cracking of the felt can be divided into two types: one is a regular plate joint along the supporting end of the prefabricated panel.