| 750kV同塔双回紧凑型输电线路杆塔基础的选型研究 |
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| 引用本文： | 郑卫锋,杨建明,鲁先龙,郑卫锋,程永锋,童瑞铭.750kV同塔双回紧凑型输电线路杆塔基础的选型研究[J].电力建设,2009,30(4):22-24. |
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| 作者姓名： | 郑卫锋 杨建明 鲁先龙 郑卫锋 程永锋 童瑞铭 |
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| 作者单位： | 1. 中国电力科学研究院工程力学研究所,北京市,100055
2. 浙江省电力公司超高压建设分公司,杭州市,310016 |
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| 基金项目： | 西北电网公司科技项目 |
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| 摘 要： | 基于西北地区典型的地质地貌特征，结合750kV同塔双回紧凑型输电线路杆塔基础大荷载的要求，对杆塔基础开展选型方案与设计优化等方面的研究，有针对性地提出了适用的杆塔基础类型。由于戈壁地层胶结和压实作用，基坑开挖时能自立成型，满足掏挖的施工要求；根据现场真型试验，得到了经验计算公式，并给出相应的计算参数取值；对其经济环保性进行了分析比较。研究成果表明，全掏挖基础可在西北地区750kV同塔双回紧凑型输电线路杆塔基础中推广应用。
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| 关 键 词： | 750kV输电线路 同塔双回 杆塔基础 掏挖基础 抗拔性能 |
Foundation Selection for Compact 750 kV Double-Circuit Transpose Towers |
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| ZHENG Wei-feng,YANG Jian-ming,LU Xian-long,CHENG Yong-feng,TONG Rui-ming.Foundation Selection for Compact 750 kV Double-Circuit Transpose Towers[J].Electric Power Construction,2009,30(4):22-24. |
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| Authors: | ZHENG Wei-feng YANG Jian-ming LU Xian-long CHENG Yong-feng TONG Rui-ming |
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| Affiliation: | 1.Research Institute of Engineering Mechanics;China Electric Power Research Institute;Beijing 100055;China;2.EHV Construction Branch;Zhejiang Province Electric Power Company;Hangzhou 310016;China |
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| Abstract: | According to typical geological and topographic features of northwest region and large load requirement of foundations of compact 750 kV double-circuit transpose towers,studies on tower foundation selection and design optimization are carried out,and suitable foundation types are proposed.Because of cementation and compaction effects of gobi stratum,the foundation is able to support itself during excavation,satisfying construction requirement;empirical formulae and values of corresponding parameters are gai... |
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| Keywords: | 750 kV line double circuit transpose tower tower foundation excavated foundation uplifting resistance performance |
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