论文部分内容阅读
我院设计的徐州矿务局庞庄选煤厂《主厂房》工程,采用予制装配式结构,厂房层高均为5.4米,根据工艺要求须设置室内辅助操作楼梯。如采用钢梯则因层高较高必须增设中间平台,而装配式结构本身要求尽可能地减少予制构件的品种,所以予制梁、柱上不希望增加予埋件,设置钢梯中间平台有一定困难。因此设计了一种予制钢筋混凝土螺旋梯,经过多年来使用实践证明,这种装配
The main building project of the Pangzhuang Coal Preparation Plant of the Xuzhou Mining Bureau designed by our institute adopts a prefabricated structure. The floor height of the workshop is 5.4 meters. According to the process requirements, an indoor auxiliary operation staircase shall be provided. If steel ladders are used, an intermediate platform must be added because of the higher layer height. The fabricated structure itself requires that the types of pre-manufactured components be reduced as much as possible. Therefore, prefabricated beams and columns do not want to be added to embedded components, and the middle platform of the steel ladder is set. There are certain difficulties. Therefore, a prefabricated reinforced concrete spiral ladder was designed. After many years of practice, this kind of assembly has been proved.