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SELECTION AND PERFORMANCE OF ANCHORS FOR GUYED TRANSMISSION TOWERS

 

作者: K. E. Robinson,   H. Taylor,  

 

期刊: Canadian Geotechnical Journal  (NRC Available online 1969)
卷期: Volume 6, issue 2  

页码: 119-135

 

ISSN:0008-3674

 

年代: 1969

 

DOI:10.1139/t69-012

 

出版商: NRC Research Press

 

数据来源: NRC

 

摘要:

This paper presents information on the selection and performance of anchors for guyed EHV transmission towers. The information used was obtained during the design and construction of two transmission lines each over 540 miles (>869 km) long in British Columbia.Five anchors have been designed and tested: (1) buried plate with compacted backfill; (2) buried steel mat or grillage with loose backfill; (3) cast-in-place concrete with loose backfill; (4) power installed helical; and (5) grouted rod anchors.The highly variable soil and access conditions along the line necessitated an anchor that could economically be installed in nearly all soil types and by ordinary construction equipment that could easily move between tower sites in rugged terrain.The simply installed, conservatively designed, cast-in-place concrete anchor was found to satisfy these requirements at reasonable cost. Power-installed helical anchors and grouted rod anchors may provide an economical anchor in more uniform soil conditions and where easier access conditions exist. However, these anchors require more detailed soil exploration and contract inspection than the cast-in-place concrete anchors.

 

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