价值工程
價值工程
개치공정
VALUE ENGINEERING
2014年
12期
104-105,106
,共3页
高速公路隧道%初期支护%换拱%软弱围岩
高速公路隧道%初期支護%換拱%軟弱圍巖
고속공로수도%초기지호%환공%연약위암
highway tunnel%primary support%exchange humps%weak surrounding rock
换拱是解决隧道在施工过程中发生了初期支护变形过大，侵入二衬范围隧道病害的有效措施，本文结合上坪隧道的换拱方案，阐述了在软弱围岩地质条件下，高速公路隧道换拱的施工工艺及流程，为类似工程提供可用经验。
換拱是解決隧道在施工過程中髮生瞭初期支護變形過大，侵入二襯範圍隧道病害的有效措施，本文結閤上坪隧道的換拱方案，闡述瞭在軟弱圍巖地質條件下，高速公路隧道換拱的施工工藝及流程，為類似工程提供可用經驗。
환공시해결수도재시공과정중발생료초기지호변형과대，침입이츤범위수도병해적유효조시，본문결합상평수도적환공방안，천술료재연약위암지질조건하，고속공로수도환공적시공공예급류정，위유사공정제공가용경험。
Exchanging humps is a usefull treatment of the serious diseases which primary support deformation is so large that into the range of the secondary lining, This paper combining with the exchanging humps construction process of Shangping tunnel, elaborated the construction technology and specific construction process of highway tunnel exchanging humps under weak surrounding rock condition and provides available experience for similar engineering.
