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丰满水电站重建工程坝基主要地质缺陷处理设计 被引量:2

Design of treatments on main geological defects of dam foundation of Fengman Hydropower Station Reconstruction Project
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摘要 丰满水电站重建工程坝基基岩为变质砾岩,岩质坚硬,抗风化能力强。但坝基断裂构造较发育,断层数量多且较为密集,断层之间纵横交错并相互切割,导致坝基岩体较破碎、完整性差,对大坝稳定、应力及不均匀变形等均带来不利影响。设计针对坝基开挖揭露的各种地质缺陷进行了加固处理,使其满足了本工程的建坝要求,保证了工程的安全和质量。 The dam foundation bedrock of Fengman Hydropower Reconstruction Project consists of metaconglomerate with hard property and strong weathering resistance.However,the fracture structure of the dam foundation is more developed with more and dense faults,while the faults are criss-crossed and cross-cut each other,which make the dam foundation rock mass more broken with poor integrity and bring about unfavorable impacts on the stability of dam,stress,uneven deformation,etc.Targeting at all kinds of the geological defects exposed therein during the excavation of the dam foundation,the relevant reinforcing treatments are designed,and then the requirements of the dam construction for this project are satisfied,thus the safety and quality of the project are ensured as well.
作者 郭建业 尹洪强 郝利勋 银佳男 GUO Jianye;YIN Hongqiang;HAO Lixun;YIN Jianan(China Water Northeastern Investigation Design and Research Co.,Ltd.,Changchun 130021,Jilin,China)
出处 《水利水电技术(中英文)》 北大核心 2020年第S02期153-157,共5页 Water Resources and Hydropower Engineering
关键词 碾压混凝土重力坝 坝基 地质缺陷 加固处理 roller compacted concrete gravity dam dam foundation geological defect reinforcing treatment
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