The Study On Construction Disaster Control Of Express Railway Tunnel Passes Through The Big Rich Water Fault

The Passenger Dedicated Lines' transportation amount is large and the potency is fairly high, with remarkable social economy benefit is reputation for "economical launching back". As the large tunnel is the controllability project of the entire line in the Passenger Dedicated Lines, the plentiful of water fault and the crushed zones are the land sectors which are difficult to construct and they are easy to have the accident most. Therefore how to passed through the plentiful of water fault and to reduce the disaster which caused by the bad geology safely,fast and environmentally, are worth studying as far as possible. The article which depends on the Dabie Mountain tunnel of the Hewu Passenger Dedicated Lines has made a concrete research on the geological forecast,the simulation of excavated plan,the AHP,the micro-vibrates control demolition,the entire cross section deep hole curtain note liquid and the construction monitoring and so on, and mainly obtains the following understanding and research achievements.(1) Regard to the bad geological sector, We must strengthen the advancing geological prediction of tunnel, the accurate implementation of the advancing geological prediction, which can provide the scientific basis for passing through the plentiful of water fault Smoothly.(2)Through the distribution of stress field and displacement field, the value simulation study may provide the technical support reasonably for choosing the tunnel excavation plan; the AHP may obtain good effect on the optimize excavating plan.(3) Formulated a set of entire cross section deep hole curtain note liquid technology which be suitable for the plentiful of water fault, has formed a set of complete technical method system for the surrounding rock supports and protections in advance specially the ground water protection.(4)Has carried on the pre-splitting micro-vibrate control demolition design, which develop a new research mentality on reducing the vibrate to the surrounding demolish-rock.(5)Analyzes the general rule of the surrounding rock distorts which the tunnel to pass through the plentiful of water fault and had determined the opportunity of second-lining, which through the monitoring work, the monitors on the surrounding rock distort promptly, the examining of the stability of the supports and protections structure, mainly based on the return work and made the forecast analysis to the monitor data.(6) Used tilize the AHP and fuzzy math theory on the tunnel construction safety assessment, has carried on the quantitative analysis and the accurate appraisalAt the same time, the paper has also discussed the general rules of fault as well as the emergency response predetermined plan after the disaster. The research technique, the conclusion and the suggestion in the article will be beneficial and also may be provide models to the next similar project.