本文就现浇钢筋混凝土螺旋楼梯施工提出一种模板支设方法。
The author explores a new way of erecting molding board in the construction of job-placed reinforced concrete cockle stairs.
基础模板支设不牢固，浇筑混凝土下料过高、混凝土振捣撞击，使模板位移，造成基准线产生偏差。
The foundation template support is not strong, the pouring concrete is too high, the concrete vibration impact, so that the template displacement, resulting in the deviation of the baseline.
利用螺旋曲线方程，经过详细计算，进行旋转楼梯模板的支设，可以较好地满足设计造型的要求和施工规范的规定。
By spiry curve equation, we have calculated detailedly and laid spiry stairs. It is found that it can satisfy better the requirement of designs and the regulation of working criterions.
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