山区输电线路转角塔压力型锚索承台基础研究Study of Pressure-type Anchor Cable Platform Foundation for Corner Tower of Transmission Line in Mountainous Area
麻坚,袁建国,应健,肖志鹏,吕庆,王真理
MA Jian,YUAN Jianguo,YING Jian,XIAO Zhipeng,LYU Qing,WANG Zhenli
摘要(Abstract):
山区输电线路距离长,地形条件复杂,输电线路转角塔基础存在下压和上拔工况,在复杂地质条件下,输电线路转角塔基础的选型和设计比较困难。针对山区存在大量的覆盖层较厚、下覆基岩工程性状较好的复合地层和上拔荷载较大的转角塔,提出了一种新型的压力型锚索承台基础型式。对其特点和技术优势进行了归纳总结,给出了压力型锚索承台基础的设计计算建议。
The transmission line in the mountainous area is long, and the terrain conditions are complex. The base of corner tower of the transmission line is subjected to compressive load and uplifting load. Under complex geological conditions, the selection and design of corner tower foundation of the transmission line is difficult. Aiming at the composite stratum conditions with thick coverage layer and underlying bedrock with excellent engineering properties in mountainous areas and the corner tower with large uplift load, a new type of pressure-type cable anchored platform foundation for corner tower is proposed. The characteristics and technical advantages of this new type foundation are summarized, and the suggestions for the design of the pressure-type cable anchored platform foundation are given.
关键词(KeyWords):
输电线路;铁塔基础;压力型锚索;复合地层;转角塔
transmission line;tower foundation;pressure-type anchor cable;composite stratum;corner tower
基金项目(Foundation): 国网浙江省电力有限公司科技项目(5211JH170009)
作者(Author):
麻坚,袁建国,应健,肖志鹏,吕庆,王真理
MA Jian,YUAN Jianguo,YING Jian,XIAO Zhipeng,LYU Qing,WANG Zhenli
DOI: 10.19585/j.zjdl.201907009
参考文献(References):
- [1]廖永昌.浅谈500 kV输电线路铁塔基础选型与设计[J].广东科技,2013,22(24):118-120.
- [2]林智伟.输电线路铁塔基础设计的实践[J].中国新技术新产品,2018(17):84-85.
- [3]程永锋,邵晓岩,朱全军.我国输电线路基础工程现状及存在的问题[J].电力建设,2002,23(3):32-34.
- [4]鲁先龙,程永锋.我国输电线路基础工程现状与展望[J].电力建设,2005,26(11):25-27.
- [5]程永锋,鲁先龙,丁士君,等.掏挖与岩石锚杆复合型杆塔基础抗拔试验与计算[J].电力建设,2012,33(3):6-10.
- [6]庞红旗.山地输电铁塔掏挖式、岩石嵌固式与板式基础的比较分析[J].浙江电力,2013,32(7):15-17.
- [7]王红宣,谭青海,郑卫锋,等.输电线路岩石锚杆基础的应用探讨[J].青海电力,2016,35(1):8-11.
- [8]程永锋,鲁先龙,卫锋.输电线路工程岩石锚杆基础的应用[J].电力建设,2012,33(5):12-16.
- [9]卢黎,黎亮,邓宇,等.压力型锚索承载板前砂浆体破坏机制试验研究[J].岩土工程学报,2013,35(11):2110-2116.
- [10]严军,周鑫,彭耀平,等.压力型锚索在深厚覆盖层边坡加固中的应用[J].四川水利,2018,39(3):50-53.
- [11]叶红,陈燕平.压力型锚索动态响应的应力数值模拟分析[J].地下空间与工程学报,2016,12(6):1695-1701.
- [12]厉超,郝伟.压力分散型悬锚式挡墙位移及受力特性分析[J].北方交通,2015,36(9):36-39.
- [13]建筑地基基础设计规范:GB 50007-2011[S].北京:中国建筑工业出版社,2011.
- [14]架空送电线路基础设计技术规程:DL/T 5219-2014[S].北京:中国计划出版社,2014.
- [15]混凝土结构设计规范:GB 50010-2010[S].北京:中国建筑工业出版社,2010.
- [16]中冶集团建筑研总院.岩土锚杆(索)技术规程[M].北京:中国计划出版社,2005.
- [17]建筑边坡工程技术规范:GB 50330-2013[S].北京:中国建筑工业出版社,2013.
- [18]陶瑾,孙三群,肖建宝.脆弱生态环境下的线路掏挖式基础施工[J].浙江电力,2018,37(11):101-105.
- [19]朱江峰,冯炳,谢芳.城区输电线路自立杆“砝码式”钢管桩基础研究[J].浙江电力,2018,37(6):14-19.
- [20]张军,曹长胜.贵州煤矿采空区架空线路杆塔基础方案探讨[J].电力大数据,2018,21(1):89-92.
- [21]田赟,冯李军,李永健.220 kV某线铁塔横担变形分析[J].山西电力,2017(5):37-39.
- 输电线路
- 铁塔基础
- 压力型锚索
- 复合地层
- 转角塔
transmission line - tower foundation
- pressure-type anchor cable
- composite stratum
- corner tower