Composite pitched roof waterproof construction method: Fid-Bau Portal

Composite pitched roof waterproof construction method

MA LEI / YUAN KUN / MEI JIANGTAO

The invention provides a composite waterproof construction method for a pitched roof, which comprises the following steps: during concrete construction of a pitched roof structure, reserving a hole for mounting a downpipe at a cornice position, and then constructing a mortar leveling layer on a reinforced concrete structure on the upper surfaces of the pitched roof and the cornice; a waterproof roll, a heat preservation plate and a wave-shaped waterproof plate are sequentially laid on the mortar leveling layer of the pitched roof from bottom to top, and a heat preservation plate and a waterproof roll are sequentially laid on the mortar leveling layer of the cornice from bottom to top; tile hanging battens are installed on the pitched roof through long bolts, and concrete tiles are installed on the tile hanging battens in a lap joint mode. And finally, a fine aggregate concrete base layer and a brick pavement layer are constructed on the waterproof coiled material at the position of the cornice. Waterproof construction is carried out by adopting the thought of mainly dredging, the structural requirement, the heat preservation requirement and the waterproof requirement of the pitched roof are effectively met, the waterproof performance can be relatively improved by 50%, the overall durability of the pitched roof is good, and later maintenance is also very convenient.

本发明提供了一种复合式的坡屋面防水施工方法，坡屋面结构的混凝土施工时，在檐口位置预留用于安装落水管的孔洞，然后在坡屋面以及檐口上表面的钢筋混凝土结构上施工砂浆找平层；在坡屋面的砂浆找平层上自下而上依次铺设防水卷材、保温板、波形防水板，在檐口的砂浆找平层上自下而上依次铺设保温板、防水卷材；采用长螺栓在坡屋面上安装挂瓦木条，在挂瓦木条上搭接安装混凝土瓦；最后在檐口位置的防水卷材上施工细石混凝土基层和砖铺面层。本发明采取以疏为主的思路进行防水施工，有效满足了坡屋面的结构要求、保温要求以及防水要求，防水性能能够相对提高50％，且坡屋面整体耐久性较好，后期维修也很方便。

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