CAJ | 학술논문

介绍吉林援建垭口山隧道施工过程中涌水涌碴形成原因,采用超前劈裂帷幕注浆治理涌水涌碴方案的原理、设计参数及在定位、钻孔、注浆等施工工艺和质量控制方面的具体要求,列举了施工过程中出现塌孔、返水量较大、注浆量大且泵压不上升及漏水点补救等不同情况的处理方法,总结了超前劈裂围幕注浆的施工条件、关键工艺及施工后的效果.
개소길림원건오구산수도시공과정중용수용사형성원인,채용초전벽렬유막주장치리용수용사방안적원리、설계삼수급재정위、찬공、주장등시공공예화질량공제방면적구체요구,열거료시공과정중출현탑공、반수량교대、주장량대차빙압불상승급루수점보구등불동정황적처리방법,총결료초전벽렬위막주장적시공조건、관건공예급시공후적효과.
This paper makes a brief presentation on the reasons why ballast has been formed during the process of reconstruction of Yakou mountain tunnel by Jilin province.It introduces the principles of dealing with ballast by split curtain grouting beforehand,and introduces the techniques and the requirements for quality control concerning the design parameters,positioning,drilling and grouting.A list of solutions has been made to dealing with such problems as hole collapse,a large amount of return water,a large quantity of grouting without increasing the pump pressure and leaking remedies.It also summarizes the construction conditions of split curtain grouting beforehand,key techniques and the effectiveness after construction.