The Construction Method Of Qingdao Wujiang Subway Tunnel Under Buildings

With the rapid development of our country economy, people’s living standards, more and more traffic tools appear, the ground transportation is getting busy, need to develop underground space. At present, many large and medium cities have been actively building or preparing for the subway. Up to now, including Metro North has a number of operations of large cities and Qingdao, Kunming, Hangzhou and other just started the urban subway construction, I between the Kuomintang and the Communist Party of China has 25 cities being built subway. In addition, there are 26 cities are preparing for the subway construction, including Mianyang, Yangzhou, Zhuzhou. The subway can be built to alleviate traffic on the ground, convenient for daily travel, but in subway construction at the same time, cause a series of problems, such as traffic lane will be increasing road congestion, subway construction lead to deformation of the strata, thus affecting the safety of the surrounding environment, especially under wear or side wear to the building of a great impact.Subway construction process will continue in the disturbed strata, resulting in deformation of the strata, directly affects the state of adjacent buildings, is very likely to appear uneven settlement, tilt, cracks and other adverse circumstances, which brings hidden trouble to the safety of buildings. At the same time, the building itself has a certain ability to resist deformation and damage. Therefore, through the choice of appropriate construction methods, in the construction process through the excavation and support techniques to control, to achieve control through building deformation in the safe range; at the same time in the process of subway construction, to the main structure of the building of foundation is solid, improve the building of rectification stiffness, increase the ability to resist deformation to ensure not only the safety of buildings.The main purpose of this paper is research Qingdao Subway wujo tunnel be-neath the building construction method, by choosing suitable drilling blasting design parameters to achieve the purpose of controlled blasting and building foundation reinforcement and the adoption of automatic monitoring with traditional monitoring to guide the construction and formulate reasonable accident prevention and treatment measures, is solved under complex geological conditions, safety wear buildings con-struction. Currently Wujiang section civil construction has been completed, safety accidents did not occur in the process of construction, the monitoring indicators of normal, and ultimately ensure the 7 seat beneath the building safety.