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混凝土工程使用定型钢模板已很普遍。用定型钢模板支模时往往会出现以下现象:1.柱模板:截面呈平行四边形,柱身产生扭曲。2.墙模板:顶面不水平,两端不垂直,两片模板各自形成一个平行四边形。3.圆形模板:内外模板形成相反的两个螺旋形。
The use of shaped steel formwork in concrete works is common. The following phenomena will often appear when using a fixed steel template to support the mold: 1. Column template: The cross-section is parallelogram and the cylinder is distorted. 2. Wall template: The top surface is not horizontal and the two ends are not vertical. Each of the two templates forms a parallelogram. 3. Circular template: The inner and outer templates form two opposite spirals.