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A controllable exhaust device and construction method for prefabricated pile construction in air-bearing soil layer

A technology of exhaust device and construction method, which is applied in the direction of protection device, sheet pile wall, foundation structure engineering, etc., to reduce personnel and property losses, prevent foundation instability, and facilitate exhaust

Active Publication Date: 2017-11-10
常州东吉路国际贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the construction of prefabricated piles will involve construction reliability and post-construction settlement issues, so there is an urgent need for devices and methods that can be constructed in air-bearing soil layers and can also improve the bearing capacity of air-bearing soil layers. It is best to use these effectively clean energy

Method used

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  • A controllable exhaust device and construction method for prefabricated pile construction in air-bearing soil layer
  • A controllable exhaust device and construction method for prefabricated pile construction in air-bearing soil layer

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Experimental program
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Embodiment 1

[0037] to combine figure 1 with figure 2 , a controllable exhaust device for the construction of prefabricated piles in air-bearing soil layers in this embodiment, including a prefabricated hollow pile 1, the prefabricated hollow pile 1 is a prefabricated concrete pipe pile or a prefabricated concrete hollow square pile or a prefabricated hollow steel pile Both are available; the bottom of the prefabricated hollow pile 1 is provided with a closed pile tip 4 made of steel or concrete, and the prefabricated hollow pile 1 and the closed pile tip 4 are connected by welding or bonding; the front end of the closed pile tip 4 is provided with an exhaust device , the layout form is simple and flexible, so that the gas in the air-bearing soil layer is discharged through the exhaust device, and the exhaust effect is good, which can prevent engineering disasters caused by gas eruption in the air-bearing soil layer, reduce personnel and property losses, and can also enhance the gas-conta...

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PUM

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Abstract

The invention discloses a controllable air exhausting device for constructing a precast pile in a gas-containing soil layer and a construction method of the device. The device comprises the precast hollow pile, and a closed-opening pile tip is arranged at the bottom of the precast hollow pile; the air exhausting device is arranged at the front end of the closed-opening pile tip and can prevent engineering disasters caused by gas eruption in the gas-containing soil layer, and therefore personal and property losses are reduced; and pile end and pile side soil bearing carrying capacity within the gas-containing soil layer range can be improved, and settlement deformation of a pile foundation obtained after construction is reduced. The construction method of the device is easy and convenient to operate.

Description

technical field [0001] The invention relates to an exhaust device and its construction method, more specifically, to a controllable exhaust device and its construction method for the construction of prefabricated piles in air-bearing soil layers. Background technique [0002] The most common gas-bearing soil layer is gas-bearing sediments distributed in marsh wetlands, estuaries, deltas, lakes and seabeds. The geological census of the Yangtze River Delta, Liaodong Bay Beach Area, Yellow River Delta Offshore Sea, Shandong Peninsula Shallow Sea, South Yellow Sea, Hangzhou Bay, Zhoushan Islands, Yangtze River Estuary, Pearl River Estuary, East China Sea and South China Sea Shelves have all found shallow seabeds. There is evidence of shallow gas occurrence, which shows that there is a large area of ​​gas-bearing soil distributed from north to south in my country's offshore waters. The shallow gas in the gas-bearing soil layer has shallow burial and complicated causes. Generally...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/24E02D31/00
CPCE02D5/24E02D31/00
Inventor 李雄威
Owner 常州东吉路国际贸易有限公司