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现代隧道技术 2017, Vol. 54 Issue (3) :190-194    DOI:
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硬质岩浅埋大断面隧道施工技术
(中铁二局集团第二工程有限公司, 成都610092)
Construction Techniques for a Shallow-Buried Tunnel with a Large Section in Hard Rock
(China Railway Second Bureau Engineering Co., Ltd., Chengdu 610092)
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摘要  文章以胶州湾海底隧道右线大断面洞段施工为背景, 对浅埋、 大断面暗挖隧道施工方法进行探讨。在对设计建议施工方案进行充分研究的基础上, 结合施工经验和国内外先进施工理念, 通过采用超前注浆、 长锚杆、 纵向连接加固、 弱爆破等工程措施, 实现了大断面洞段的安全、 快速、 经济施工, 成功解决了硬岩、 浅埋、 暗挖大断面隧道的施工技术难题和组织难题, 为类似工程提供了全新的解决方案和处理思路。
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Abstract: Based on the construction of the right line of the large-section subsea tunnel at Jiaozhou Bay, a discus? sion was carried out regarding the construction method for the shallow-buried large-section bored tunnel. Based on a study of the recommended designed construction scheme and considering the construction experience and advanced construction concepts both at home and abroad, the safe, rapid and economically successful large-section excavation was made possible by advanced grouting, long anchor bolts, reinforcement of the longitudinal connection and weak blasting, and the technical and organization difficulties were solved in respect to the construction of the shallow-buried bored tunnel with a large-section in hard rock.
KeywordsTunnel,   Construction technique,   Hard rock,   Shallow overburden,   Large section     
作者简介: 作者简介: 朱朝佐 (1963-), 男, 高级工程师, 主要从事工程管理、 施工技术研究工作, E-mail:529660797@qq.com.
引用本文:   
.硬质岩浅埋大断面隧道施工技术[J]  现代隧道技术, 2017,V54(3): 190-194
.Construction Techniques for a Shallow-Buried Tunnel with a Large Section in Hard Rock[J]  , 2017,V54(3): 190-194
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