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2020/10/28
2020/10/28
Safety construction measures for digging and filling piles
1 : Check the well for hazardous gases and unsafe factors before starting daily work. When the hole depth is greater than 10m and the humus soil la..
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2020/10/28
2020/10/28
Construction process of hammered sinking pipe cast-in-place pile
The mechanical equipment for hammering sunk pipe cast-in-place piles consists of pile pipe, pile hammer, pile frame, hoist pulley block and ..
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2020/10/28
2020/10/28
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2020/10/28
2020/10/28
What are the construction methods of bored piles
The construction methods of bored piles include rotary drill (positive circulation method, reverse circulation method), percussion drill, punch dr..
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2020/10/28
2020/10/28
Treatment of common quality problems of hammered sunk pipe rammed and expanded cast-in-place pile
Poor hole qualityPhenomenon :1) Hammering the sunk pipe cannot reach the design elevation.2) There is water in the pipe after hammering the sinking pipe or ther..
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2020/10/28
2020/10/28
Points for Attention in Foundation Drilling Construction
(1) The foundation soil must be carried out in a dry condition. Do not probe after being rained. (2) If the..
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2020/10/28
2020/10/28
Key points of bored pile construction
Buried protection tube Stake out according to the center of the pile, and draw a circular arc with lime, then manually dig a hole or ..
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2020/10/28
2020/10/28
Concrete pile construction process
The construction process of mud-protected bored piles is as follows: site leveling, pile placement, excavation of slurry pool, grout..