Positioning method for special-shaped inclined bent concrete wall: Fid-Bau Portal

Positioning method for special-shaped inclined bent concrete wall

ZHAO PING / DENG RUYU / XIONG QIAN / LI ZHIFEI

The invention discloses a positioning method for a special-shaped inclined bent concrete wall. The positioning method comprises the following steps that all outer wall broken line intersection pointsand all roof broken line intersection points are subjected to all projection positioning treatment on the first floor ground; when the intersection point of projection positioning is located on a floor structure, it is indicated that the concrete wall is inclined inwards, steel plates are pre-buried during floor concrete pouring, and meanwhile a cross line is carved for positioning; when the intersection point of projection positioning is located outside a first floor slab, it is indicated that the concrete wall is inclined inwards, foundation soil is tamped, concrete piers are poured, and meanwhile the steel plates are pre-buried; meanwhile, a cross line is carved for positioning; and the relationship between the intersection line of the inclined wall and the floor bottom and a control line is calculated by utilizing a geometric similar triangle principle, and then each layer of wall is positioned and paid off according to the relationship between the intersection line of the inclinedwall and the floor bottom and the control line. The method can be used for accurately measuring and positioning the special-shaped inclined bent concrete wall.

本发明公开了一种异型倾斜弯折混凝土墙体的定位方法，包括以下步骤：在首层地面上将所有的外墙折线交点、屋面折线交点进行全部投影定位；当投影定位的交点在楼板结构上时，则说明混凝土墙体向内倾斜，则在楼板混凝土浇筑时预埋钢板，同时刻划十字线定位；当投影定位的交点在首层楼板外时，则说明混凝土墙体向内倾斜，并将基底土壤夯实，并浇筑混凝土墩子，同时预埋钢板；同时刻划十字线定位；利用几何相似三角形原理计算倾斜墙体与楼板底相交线与控制线的关系，然后根据倾斜墙体与楼板底相交线与控制线的关系进行每层墙体的定位及放线，该方法能够较为准确的进行异型倾斜弯折混凝土墙体的测量定位。

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