公路交通技术
公路交通技術
공로교통기술
TECHNOLOGY OF HIGHWAY AND TRANSPORT
2014年
3期
105-108
,共4页
槽渔滩隧道%初期支护%变形开裂%处治
槽漁灘隧道%初期支護%變形開裂%處治
조어탄수도%초기지호%변형개렬%처치
Caoyutan Tunnel%initial support%deformation cracking%treatment
针对四川乐山至雅安高速公路槽渔滩隧道左洞段初期支护变形开裂情况，对变形开裂产生的原因进行分析，并结合现场实际情况及监控量测结果，采取临时加固初期支护、固结围岩并永久堵水等措施，使处治变形开裂段达到了预期效果。
針對四川樂山至雅安高速公路槽漁灘隧道左洞段初期支護變形開裂情況，對變形開裂產生的原因進行分析，併結閤現場實際情況及鑑控量測結果，採取臨時加固初期支護、固結圍巖併永久堵水等措施，使處治變形開裂段達到瞭預期效果。
침대사천악산지아안고속공로조어탄수도좌동단초기지호변형개렬정황，대변형개렬산생적원인진행분석，병결합현장실제정황급감공량측결과，채취림시가고초기지호、고결위암병영구도수등조시，사처치변형개렬단체도료예기효과。
In allusion to deformation cracking of initial supports of left cavern section in Caoyutan Tunnel on Sichuan Leshan-Ya ’ an Expressway, this paper analyzes reasons of deformation cracking and takes measures of temporary reinforcement of initial supports, consolidation of wall rocks and permanent water shutoff, etc. in combination with actual conditions on site and results of monitoring and measurement to make treatment of deformation cracking sections reach the anticipated effect.
