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Pile-forming equipment and method of control modulus pile

A technology of modulus pile and pile formation, which is used in the test of foundation structure, construction, foundation structure engineering, etc.

Inactive Publication Date: 2010-09-08
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because of the great incompatibility of model piles and related equipment, related research and design can only be based on experience or existing engineering priors.

Method used

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  • Pile-forming equipment and method of control modulus pile
  • Pile-forming equipment and method of control modulus pile
  • Pile-forming equipment and method of control modulus pile

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Embodiment Construction

[0014] As shown in Figure 1. A control modulus pile forming equipment is composed of drill bit 1, motor 2, control platform 3, drill frame 4, drill rod 5, transmission chain 6, slurry pipe 7, pressure pump 8, model box 10, among which the drill bit 1 and the drill pipe 5 are provided with longitudinal through holes, the output port of the pressurizing pump 8 is communicated with the upper through hole of the drill pipe 5 through the slurry pipe 7, and the lower part of the drill pipe 5 is arranged opposite to the upper part of the control platform 3. The control platform The lower part of 3 is fixed to the upper part of the drill frame 4, the upper part of the transmission chain 6 is arranged opposite to the upper cross bar of the drill frame 4, the lower part of the transmission chain 6 is arranged opposite to the left and right ends of the control platform 3, and the motor 2 is fixed to the drill frame. The upper part of the frame 4 and the drive shaft of the motor 2 are arra...

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Abstract

The invention discloses a pile-forming device and pile-forming method for control modulus pile, belonging to the field of bearing characteristic testing of composite foundation of geotechnical engineering. The device of the invention is composed of a drill bit, a motor, a control platform, a drill frame, a drilling rod, a driving chain, a slurry transporting pipe, a pressure pump, and a model box. The method of the invention includes the steps of filling simulation soil layer, preparing cement slurry, and forming pile. The invention realizes the quantitative design of control deform and control bearing force of the composite foundation, and fully mobilizes the function of the soil among piles by adjusting the stress ratio of the pile soil.

Description

Technical field [0001] The invention relates to a pile forming equipment and a method for forming a controlled modulus pile, belonging to the field of testing the bearing characteristics of a geotechnical engineering composite foundation. Background technique [0002] In the field of geotechnical engineering today, composite foundation is currently the most widely used soft soil foundation treatment method. Due to the complexity of foundation soil conditions, the current research on the bearing characteristics of composite foundation is difficult to meet the requirements of actual engineering. The semi-empirical and semi-simplified quantification, because pile formation and testing equipment cannot meet the needs of research, severely restricts the in-depth development of composite foundation theory. Indoor tests are often carried out using model piles made of organic materials, and the test results differ greatly from actual monitoring results. Precisely because of the great in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D33/00
Inventor 缪林昌赵马在宏蒋爱祥王非张亚军景春陈家富张成相
Owner SOUTHEAST UNIV
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