论文部分内容阅读
在国内外立井施工中采用短段掘砌混合作业施工方法逐步增多,这种作业方式的优越性正越来越引起人们的注意。这种混合作业方式中爆破和出渣与其它施工方法没有明显的区别。而采用下行模板浇注混凝土砌壁混合作业是这种施工方法的突出特点和施工成败的关键。目前,下行模板还没有定型设计,各种结构形式都有,下面仅就我们在使用过程中的认识和体会作一些初步的探讨。
At home and abroad in the use of vertical shaft excavation and excavation combined with construction methods gradually increased, the superiority of this mode of operation is more and more aroused people’s attention. There is no obvious difference between blasting and slag discharge in this mixed operation mode and other construction methods. The downward template pouring concrete wall mixing operation is the salient features of this construction method and the key to the success of the construction. At present, there is no stereotypical design for the downlink template, and various structural forms are available. Here are just some preliminary discussions on our understanding and experience in using the process.