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Ultralarge-diameter single pile foundation level static load device and test method

A single-pile foundation and horizontal static load technology, which is applied in the test of foundation structure, foundation structure engineering, construction, etc., can solve the problem of not considering the cost of ship machinery, etc., and achieve low input costs, rapid soil penetration, and strong adaptability Effect

Active Publication Date: 2018-03-13
CCCC SHANGHAI HARBOR ENG DESIGN & RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For the horizontal force test of conventional hydraulic structures such as wharf pile foundations or offshore wind turbine foundations, if the previous reaction pile mode is used and single piles are used as reaction piles, the material cost of the single reaction pile will be expensive. Millions of dollars, and the cost of ships and engines has not been considered

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  • Ultralarge-diameter single pile foundation level static load device and test method
  • Ultralarge-diameter single pile foundation level static load device and test method
  • Ultralarge-diameter single pile foundation level static load device and test method

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Embodiment Construction

[0023] The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.

[0024] Such as Figure 1 to Figure 2 As shown, the super-large-diameter single-pile foundation horizontal static load device in this embodiment includes a tension mechanism 20 arranged on the pile body 10, a gripping mechanism 30 arranged on the outside of the pile body 10 and thrown to the seabed, a pulley assembly and a multi-section anchor cable 50. The anchor cable 50 includes a first anchor cable, a middle anchor cable and a final anchor cable, one end of the first anchor cable is fixedly connected to the tension mechanism 20, and the other end is fixedly connected to the pulley assembly; One end of the terminal anchor cable is fixedly connected to the pulley assembly, and the other end is fixedly connected to the gripping mec...

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Abstract

The invention discloses an ultralarge-diameter single pile foundation level static load device. The device comprises a tension mechanism arranged on a pile body, a grabbing force mechanism arranged outside the pile body, a pulley module and multiple sections of anchor ropes; the anchor ropes comprise a first section of anchor rope, a middle section of anchor rope and a tail section of anchor rope;one end of the first section of anchor rope is connected with the tension mechanism, and the other end is connected with the pulley module; one end of the tail section of anchor rope is connected with the pulley module, and the other end is connected with the grabbing force mechanism; and the middle section of anchor rope is arranged around the pulley module. A test method adopting the device comprises the following steps: the tension mechanism is arranged on the pile body; the grabbing force mechanism is arranged outside the pile body; the pulley module is provided; one end of the first section of anchor rope is connected with the tension mechanism, and the other end is connected with the pulley module; the middle section of anchor rope is arranged around the pulley module; and one end of the tail section of anchor rope is connected with the pulley module, and the other end is connected with the grabbing force mechanism. Compared with the prior art, the device has such advantages assimple structure, convenience to operate, economical cost and high practicability.

Description

technical field [0001] The invention belongs to the technical field of detection of building foundation piles, and in particular relates to a horizontal dead-loading device and a test method for super-large-diameter single-pile foundations. Background technique [0002] The horizontal static load test is the most direct and accurate method to judge the horizontal bearing capacity of the pile foundation. Through the static load test, the lateral foundation reaction force of the foundation soil can be obtained, and the reasonable calculation scheme of the foundation soil resistance and the corresponding elastic foundation coefficient can be determined. And get the horizontal bearing capacity of the test pile. [0003] The horizontal bearing capacity of offshore single piles, especially offshore ultra-large-diameter single piles, is much greater than that of conventional diameter pile foundations. Similar to the static load test of vertical bearing capacity, the horizontal forc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 王其标张成芹邱松吴锋钟扬黄周泉
Owner CCCC SHANGHAI HARBOR ENG DESIGN & RES INST
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