| 水工隧洞软弱破碎富水地层混凝土裂缝浅析与预防 |
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| 引用本文： | 王志勇,廖光海.水工隧洞软弱破碎富水地层混凝土裂缝浅析与预防[J].四川地质学报,2002,22(Z1):26-28. |
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| 作者姓名： | 王志勇 廖光海 |
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| 作者单位： | 四川405建设工程公司,四川都江堰市,611830 |
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| 摘 要： | 崇州鞍子河电站隧洞(4+158～4+298段)由于前期施工方法不当导致砼出现裂缝。通过对裂缝产生原因的分析，在后期严格按照“新奥法”原理进行施工，采用了超前小管棚注浆、格栅喷锚支护及围岩监测等一系列施工措施，有效预防了裂纹的发生。
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| 关 键 词： | 混凝土裂缝 管棚注浆 新奥法 格栅喷锚支护 |
GENESIS AND PREVENTION OF FISSURES IN DIVERSION TUNNEL CONCRETE IN WEAK AND FRACTURED WATER-FILLED BEDS |
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| Wang Zhiyong Liao Guanghai.GENESIS AND PREVENTION OF FISSURES IN DIVERSION TUNNEL CONCRETE IN WEAK AND FRACTURED WATER-FILLED BEDS[J].Acta Geologica Sichuan,2002,22(Z1):26-28. |
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| Authors: | Wang Zhiyong Liao Guanghai |
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| Abstract: | Fissures occur in diversion tunnel concrete between K 4+158 and K 4+298.A Series of construction measures such as mall pipe lodgpole grouting,grille shotcrete and bolt support and wall rock monitoring on the bases of genetic mechanism are taken,getting good results. |
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| Keywords: | fissure in concrete pipe lodgpole grouting grille shotcrete and bolt support |
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