- 摘 要
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（同濟大學建筑設(shè)計研究院（集團）有限公司, 上海 200092）
［摘要］拉線盤基礎(chǔ)是桿塔拉線常用基礎(chǔ)形式，廣泛應用于架空電力線路工程中。然而拉線盤基礎(chǔ)應用于巖石地基存在基坑開挖難度大、施工效率低、經(jīng)濟性差等缺點，若采用爆破開挖，則會對項目現(xiàn)場的生態(tài)環(huán)境造成很大破壞，同時也無法利用巖石地基的較高承載力。結(jié)合工程實踐，介紹了拉線桿塔的錨桿基礎(chǔ)設(shè)計方法和試驗方法。錨桿成孔后，置入拉線棒定位后灌漿即完成一個拉線錨桿基礎(chǔ)的施工。拉線錨桿基礎(chǔ)直接利用巖石地基抵抗拉線傳來的拔力，受力明確、結(jié)構(gòu)效率高；機械化程度高，施工便捷；能充分利用巖體協(xié)同錨桿受力，減少拉線板等混凝土預制件，減少開挖及回填工作量，降低施工難度，減小施工對環(huán)境的破壞。
［關(guān)鍵詞］風電場； 架空線路桿塔； 錨桿基礎(chǔ)； 基坑開挖
中圖分類號：TU470文獻標識碼：A文章編號：1002-848X(2019)16-0140-03
Design and test of cable anchor foundation of overhead power line tower for wind farm
Huang Dongping
(Tongji Architectural Design (Group) Co., Ltd., Shanghai 200092, China)
Abstract:Cable foundation is a common form of tower cable foundation, which is widely used in overhead power line engineering. However, the application of cable foundation in rock foundation has some shortcomings, such as difficulty for excavation, low construction efficiency and poor economy. Blasting excavation will cause great damage to the ecological environment of the project site, and at the same time, it cannot make use of the high bearing capacity of rock foundation. Combining with engineering practice, the design method and test method of cable anchor foundation of cable tower were introduced. After the anchor rod was drilled, the anchor rod was positioned and grouted to complete the construction of a cable anchor foundation. Cable anchor foundation directly uses rock foundation to resist pulling force from cable, which has clear force and high structural efficiency; high mechanization degree and convenient construction; it can make full use of rock mass to coordinate anchor force, reduce concrete prefabricated parts such as cable board, reduce excavation and backfilling workload, reduce construction difficulty and reduce construction damage to the environment.
Keywords:wind farm; overhead power line tower; anchor foundation; excavation of foundation pit
作者簡介：黃冬平，碩士，高級工程師，Email：13636466022@163.com。
