At present, the commonly used technical methods to improve the vertical bearing capacity of cast-in-place piles include bottom expansion method and post-grouting method of bored cast-in-place piles. 1.Bottom drilling method In the same form ...
For rig operators, track de-chaining is a frequent problem. For drilling rigs, occasional disconnection is unavoidable, because the working environment is relatively harsh, and the crawler tracks enter soil or stones will lead to disconnect ...
At present, the commonly used technical methods to improve the vertical bearing capacity of cast-in-place piles include bottom expansion method and post-grouting method of bored cast-in-place piles. Bottom drilling method In the same formati ...
The biggest difference between pneumatic drilling rigs and ordinary drilling rigs is the drilling method. Ordinary drilling rigs usually use rotary drilling, that is, relying on the rotation of the power head to drive the drill pipe and dril ...
The newly purchased water well drilling rig generally needs to go through a running-in period of 60 hours. A water well drilling rig in the break-in period has the following characteristics: 1. Fast wear and tear 2. Poor lubrication 3. Easy ...
In the Spring Festival Tiger new year of China, we sincerely thanks for your support in 2021 and hope we have good cooperation in 2022 and in near future. Please give my best wishes to you and your family. hope everything is going well on y ...
Dear Friend, All group members of Hengwang thank you very much for your support and trust in 2021. Hope we have long term and good cooperation in 2022. Merry christmas and coming new year bring happiness and health to you and your family. S ...
Dear This Thanksgiving, I’m thankful to have you as a client. Working with you has been a true pleasure, and I can only hope our relationship continues for many years. May you have a wonderful Thanksgiving surrounded by family and friends. ...
When the pile driver suddenly tilted and misplaced during the construction of the pile driver, and at the same time the pile hammer jumped up and the pile body rebounded, the construction had to be stopped. There are several reasons for the ...
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