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模板工程中的荷载,分垂直与水平荷载两大类,垂直荷载取值和计算式各国差异不大,而水平荷载则因影响因素多,变化大,各国的计算式很不一致,因计算值不合适,很易于发生胀模事故。笔者结合宝钢混凝土工程中的施工特点,分析了一些国家的计算公式,对水平荷载计算公式特提出修正建议。一、一些国家的混凝土侧压力计算公式1. 1976年苏联针对当时混凝土浇筑速度快,坍落度较大的实际情况,在新修订的
There are two types of loads in formwork engineering, vertical and horizontal loads, and the vertical load values and calculation formulas have little difference among countries. However, horizontal loads are caused by many influencing factors and vary greatly. The calculation formulas in various countries are inconsistent because the calculated values are not Appropriate, it is very prone to expansion die accidents. Based on the construction features of Baosteel’s concrete works, the author analyzes the calculation formulas of some countries and proposes amendments to the calculation formulas for horizontal loads. 1. Calculation formulas for concrete side pressure in some countries 1. In 1976, the Soviet Union targeted the actual conditions of the rapid concrete pouring rate and the large slump, which was newly revised.