| 煤层开采与1 000 kV特高压输电杆塔地基稳定性影响研究 |
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| 引用本文： | 张勇,高文龙,赵云云.煤层开采与1 000 kV特高压输电杆塔地基稳定性影响研究[J].岩土力学,2009,30(4):1063-1067. |
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| 作者姓名： | 张勇 高文龙 赵云云 |
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| 作者单位： | 1. 河北工程大学,河北,邯郸,056038
2. 北京国电华北电力工程有限公司,北京,100011 |
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| 基金项目： | 国家电网级交流特高压输变电工程关键技术研究课题 |
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| 摘 要： | 晋东南至南阳段1 000 kV特高压输电线路途经山西煤田采空区和规划区，为评价规划区煤层开采对已建输电杆塔地基稳定性的影响，根据现场收集的资料、利用FLAC3D数值方法对特高压线路N165输电杆塔下部3号煤层进行开采模拟。结果表明，开采3号煤层将对输电杆塔地基稳定性造成影响，地表最大沉降为3.7 m，输电杆塔基础沿线最大倾斜为9.2 ‰，开采过程中如杆塔基础不采取抗变形措施，杆塔基础倾斜将会危及到特高压输电线路的稳定。
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| 关 键 词： | 煤层开采 1 000 kV特高压 输电杆塔 地基稳定性 FLAC3D |
| 收稿时间： | 2007-12-24 |
Influence research of coal seam mining and pole foundation stability of 1 000 kV UHV transmission line |
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| ZHANG Yong,GAO Wen-long,ZHAO Yun-yun.Influence research of coal seam mining and pole foundation stability of 1 000 kV UHV transmission line[J].Rock and Soil Mechanics,2009,30(4):1063-1067. |
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| Authors: | ZHANG Yong GAO Wen-long ZHAO Yun-yun |
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| Institution: | 1. Hebei University of Engineering, Handan 056021, China；2. North China Power Engineering (Beijing ) CO., LTD, Beijing 100011, China |
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| Abstract: | The 1 000 kV UHV transmission line of Southeast Shanxi to Nanyang passes through the mined out space and layout area of Shanxi coalfield. For the sake of appraise the influence of mining of coalfield layout area to foundation stability of transmission tower, according to the data that collect in locale, by using FLAC3D numerical method, mining simulation of the coal seam #3 under N165 tower of 1 000 kV UHV transmission line has been done; the result is that to mine coal seam #3 will bring influence on the stability of foundation of transmission tower; the most subsidence of the ground is 3.7 m and the most incline of the transmission tower foundation along the power line is 9.2 ‰. Without taking anti-deformation measures, the incline of tower foundation will endanger the stability of 1 000 kV UHV transmission line. |
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| Keywords: | FLAC3D |
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