山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2012年
7期
204-205
,共2页
通风竖井%钢护筒%施工技术%验算
通風豎井%鋼護筒%施工技術%驗算
통풍수정%강호통%시공기술%험산
ventilation shaft%steel casing%construction technology%checking
针对六沾铁路三联隧道通风竖井极易发生变形坍孔的情况,经过工期和效益的分析,提出采用壁厚δ=10 mm的钢护筒进行全孔防护。介绍了该钢护筒防护的施工技术,并对相关数据进行了验算,从而保证了钢护筒防护的顺利按期完工。
針對六霑鐵路三聯隧道通風豎井極易髮生變形坍孔的情況,經過工期和效益的分析,提齣採用壁厚δ=10 mm的鋼護筒進行全孔防護。介紹瞭該鋼護筒防護的施工技術,併對相關數據進行瞭驗算,從而保證瞭鋼護筒防護的順利按期完工。
침대륙첨철로삼련수도통풍수정겁역발생변형담공적정황,경과공기화효익적분석,제출채용벽후δ=10 mm적강호통진행전공방호。개소료해강호통방호적시공기술,병대상관수거진행료험산,종이보증료강호통방호적순리안기완공。
According to the situation prone to deformation hole collapse at Liuzhan railway triple tunnel of ventilation shaft, after the time limit for a project and benefit analysis, put forward used steel easing with the wall thickness δ = 10 mm to full hole protection. Introduced the constmction technology of steel casing protection, and checked the related data, thus ensured the successfully completed on schedule of steel easing protection.