Application of walking and trestle type formwork jumbo in frozen inclined shaft engineering
WANG Yi
WEI Guoqiang
Abstract：In the process of shaft construction of the frozen auxiliary inclined shaft in Shengfu Mine,in order to solve the problem of mutual interference between excavation and discharge of waste and con-crete pouring on the inner and outer wall of the long frozen inclined shaft and improve its overall quali-ty,the improved walking type formwork jumbo was used for outer wall concrete pouring.At the same time,using the newly developed trestle type integral formwork jumbo and construction technology,the whole inner wall could be cast and formed at one time,which created parallel working conditions for excavation and discharge of gangue and inner and outer wall construction.This method not only re-alized no longitudinal construction joint in the inner wall of the shaft,but also improved the integrity and sealing water of the shaft,and had reference significance in the excavation support of deep long frozen inclined shaft.
Keywords：frozen inclined shaftwalking type formwork jumbotrestle type integral formwork jumbothe whole ring is pouredparallel working
Publication Date：2024-06-25
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 32-37 )