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《工程(英文)》 >> 2018年 第4卷 第2期 doi: 10.1016/j.eng.2017.09.003

利卢埃特河上游水电站项目——不列颠哥伦比亚省山区径流式水电项目发电隧洞建设中面临的挑战

a Golder Associates Ltd., Squamish, British Columbia V8B 0B4, Canada
b Innergex Renewable Energy Inc., Vancouver, British Columbia V6E 4E6, Canada
c EBC Inc., North Vancouver, British Columbia V7L 0B5, Canada
d Golder Associates Ltd., Squamish, British Columbia V8B 0B4, Canada

收稿日期: 2017-03-31 修回日期: 2017-09-07 录用日期: 2017-09-22 发布日期: 2018-03-13

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摘要

利卢埃特河上游水电站项目(ULHP)是一个径流式发电项目,位于加拿大不列颠哥伦比亚省彭伯顿附近,由两个独立的水电设施(HEF)组成,总装机容量为106.7 MW。这些HEF 由利卢埃特河上游电力有限合伙公司和巨石溪电力有限合伙公司拥有,土建和隧洞施工由CRT-EBC 完成。利卢埃特河上游HEF 包括沿利卢埃特河上游河谷开挖约2500 m 长、6 m 宽、5.5 m 高的隧洞。项目位于山区,由于受气候条件的严重限制,且存在敏感的野生动物物种,为了减小环境影响,现场施工受到约束。现场位于米格峰火山杂岩体附近,该火山是加拿大西部最近爆发的活火山。隧洞掘进条件非常具有挑战性,其中一段穿过伴随米格峰火山最近一次爆发(距今2360 年前)形成的沉积层。该隧洞段包含熔结角砾岩和未固结沉积层,由疏松浮石、有机物(代表古老的森林地被物)组成,一直到进入下伏英云闪长岩基岩之前。本段隧洞的施工需要覆盖灌浆、管棚支护,并在开挖时结合使用巷道掘进机、液压锤和钻爆法。本文对项目进行了概述,总结了关键的设计和施工进度难题,并说明了在隧洞通过伴随近代火山活动形成的沉积层时是如何顺利完成开挖的。

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参考文献

[ 1 ] Stewart ML, Russell JK, Hickson CJ. Discrimination of hot versus cold avalanche deposits: implications for hazards assessment at Mount Meager, British Columbia. Curr Res—Geol Surv Can 2001: 2001–A10. 链接1

[ 2 ] Boultbee N, Robson O, de Batz R, Moalli S, Humphries R. Tunnelling through recent unconsolidated volcanic deposits at the Upper Lillooet Hydro Project, Pemberton, BC, Canada. In: Proceedings of the Word Tunnel Congress 2017— Surface Challenges—Underground Solutions; 2017 Jun 9–15; Bergen, Norway; 2017.

[ 3 ] Hickson CJ, Russell JK, Stasiuk MV. Volcanology of the 2350 BP eruption of Mount Meager Volcanic Complex, British Columbia, Canada: implications for hazards from eruptions in topographically complex terrain. Bull Volcanol 1999;60:489–507. 链接1

[ 4 ] Stewart ML, Russell JK, Hickson CJ. Revised stratigraphy of the Pebble Creek Formation, British Columbia: evidence for interplay between volcanism and mountainous terrain. Curr Res—Geol Surv Can 2002: 2002–E3.

[ 5 ] Bonin G, Lillico B, Robson O, de Batz R, Moalli S. Cover grouting through unconsolidated deposits at the Upper Lillooet Hydro Electric Project, Pemberton, BC, Canada. In: Proceedings of the Word Tunnel Congress 2017— Surface Challenges—Underground Solutions; 2017 Jun 9–15; Bergen, Norway; 2017.

[ 6 ] Friele P, Jakob M, Clague J. Hazard and risk from large landslides from Mount Meager Volcano, British Columbia, Canada. Georisk: Assess Manage Risk Eng Syst Geohazards 2008;2(1):48–64. 链接1

[ 7 ] Simpson KA, Stasiuk M, Shimamura K, Clague JJ, Friele P. Evidence for catastrophic volcanic debris flows in Pemberton Valley, British Columbia. Can J Earth Sci 2006;43(6):679–89. 链接1

[ 8 ] Friele PA. The August 6, 2010 Capricorn Creek Landslide, Meager Creek Valley, southwestern British Columbia: description, emergency response, infrastructure damage and future hazards. Victoria: BC Ministry of Environment; 2010. 链接1

[ 9 ] Wildfire season summary [Internet]. Victoria: Government of British Columbia; c2017 [cited 30 Mar 2017]. Available from: https://www2.gov.bc. ca/gov/content/safety/wildfire-status/about-bcws/wildfire-history/wildfire- season-summary.

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