Large-sized concrete cylindrical structure whose wall end possesses excavating device and sinking method

A concrete and cylinder technology, which is applied in basic structure engineering, construction, sheet pile wall and other directions, can solve the problems of difficult control and adjustment of offset, limited depth of subsidence of cylinder structure, large amount of engineering, etc., and achieves construction operation. Simple, guaranteed tilt accuracy, low cost effect

Inactive Publication Date: 2003-04-23
TIANJIN UNIV
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Problems solved by technology

At present, there are three methods that can be implemented to sink a large concrete cylinder structure into the foundation soil: one is to excavate the foundation pit, put the cylinder structure in and then backfill it, or hollow out the inside of the cylinder and The soil at the bottom of the cylinder wall is allowed to sink. This method requires a large amount of engineering, takes a long time, and is expens

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  • Large-sized concrete cylindrical structure whose wall end possesses excavating device and sinking method
  • Large-sized concrete cylindrical structure whose wall end possesses excavating device and sinking method
  • Large-sized concrete cylindrical structure whose wall end possesses excavating device and sinking method

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Embodiment Construction

[0016] An embodiment of the present invention is as follows: a cylinder with a diameter of 18m and a height of 21m has an upper wall thickness of 0.35m, and the wall thickness of the tube foot of 0.5m is 0.50m, such as Figure 1 to Figure 4 As shown, vertical holes with a diameter of 0.15m are set on the wall along the circumference at an interval of 1.0m, and the holes are used to place high-pressure water, air pipes and mud discharge pipes alternately. High-pressure water nozzles and high-pressure air nozzles are arranged in the cavity, respectively connected to the high-pressure water pipes and high-pressure air pipes in the vertical holes; , The height of the angle steel is 100mm ~ 150mm, and the mesh of the grid steel sheet is a rectangular hole of 50mm×50mm.

[0017] After the cylinder is prefabricated, the high-pressure water pipe, high-pressure air pipe and mud discharge pipe are installed in the vertical holes reserved on the cylinder wall, and then the high-pressure ...

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Abstract

The present invention relates to a large concrete cylindrical structure whose wall end is equipped with an excavation equipment and its sinking method. The cylindrical wall o f the bottom end of the large concrete cylindrical structure to be sunk is made into the cylinder feet which are arranged along the peripheric direction and formed into an inverted bellmouth cavity form, on the cydinder the the vertical through holes of high-pressure water, air pipe and mud-discharging pipe are alternatively arranged, and its circular excacation equipment is formed from vertical connecting side frames positioned at two sides and horizontal net-like steel blades positioned on the bottom portions of the side frames. Said invention also provides its sinking method by utilizing net-like steel blades, high-pressure water and air pipe and mud-discharging pipe.

Description

technical field [0001] The invention relates to a large concrete cylinder structure with an excavation device at the wall end and a sinking method. The utility model relates to a construction method for a structural part and a sinking large concrete cylinder structure in the field of port, coast and bridge engineering. Background technique [0002] Large concrete cylindrical structures can be used to build piers, breakwaters, and bridge piers in rivers and oceans. At present, there are three methods that can be implemented to sink a large concrete cylinder structure into the foundation soil: one is to excavate the foundation pit, put the cylinder structure in and then backfill it, or hollow out the inside of the cylinder and The soil at the bottom of the cylinder wall is allowed to sink. This method requires a large amount of engineering, takes a long time, and is expensive; another method is to add ballast on the top of the cylinder, such as vacuum...

Claims

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Application Information

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IPC IPC(8): E02D5/32E02D15/08
Inventor 别社安
Owner TIANJIN UNIV
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