Electric tower pile construction case | State Grid Transmission Project - Gansu 6 bids

Project Name:Hami-Chongqing 800KV UHV DC transmission line project

Contractor:Hunan Hengtong Electric Power Co., Ltd

Project Location:Shandan County, Zhangye City, Gansu Province

Project Introduction:The construction site is located in the Gobi Desert at the foot of Qilian Mountain in Shandan County, with high-voltage line tower piles, 4 foundation piles for each tower, and the spacing between the tower and the tower is 400m.

Construction Equipment:SR135SCD00378

Drilling Parameters:The pile diameter is φ1.2m, and the pile depth is 11-20m

Construction Geology:loess

Construction drill pipe:Standard SK351VJ4× 10 machine lock drill pipe

Construction Drill Bucket:φ1.2m pick sand bucket

Construction difficulties:The accident site is located in Shandan County, Zhangye City, Gansu Province, north of Qilian Mountain, the scene is in the Gobi Desert, because each tower pile is composed of 4 foundation piles, and a tower pile every 400m, the transfer is more frequent, and the transfer needs to be repaired first and then transported to delay more time.

Solution:Our SR135S is transported with rods, which is flexible, efficient and convenient

Construction Efficiency:The pile diameter of 1.2 meters is drilled according to the different strata, and the hole formation time is 0.8-1.5 hours.