Researchon theKey Technology of Contact Channel Construction by Mechanical Method in Subway Intervals
In the construction of urban underground contact channel,the general use of grouting reinforcement+mining method or frozen reinforcement+mining method construction method,in the groundwater rich and high water table strata,the effect of grouting reinforcement is often poor,can not guarantee the effect of reinforcement,while the frozen method is good reinforcement,but the construction cycle is longer,there are a variety of shortcomings of the above two methods,combined with the development of the current construction technology and the actual site,a new construction method combining steel sleeve+pipe jacking mechanical method+steel+concrete composite lining should come into being.This paper takes the actual project as an example,introduces in detail an underground interval contact channel using pipe jacking technology mechanical method design scheme and construction method.
万方数据
维普
