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Experimental Model and Data Testing Method of Horizontal Bearing Characteristics of Prestressed Concrete Pipe Pile

A technology for concrete pipe piles and characteristic testing, which is applied in the application of stable tension/pressure to test the strength of materials, tests of basic structures, construction, etc. and other problems to achieve the effect of avoiding limitations, easy operation and high controllability

Active Publication Date: 2016-05-18
SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, methods such as numerical calculation are greatly affected by physical parameters and constitutive models, so it is difficult to determine the authenticity and accuracy of the calculation results, and sometimes the results are very different from the actual engineering

Method used

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  • Experimental Model and Data Testing Method of Horizontal Bearing Characteristics of Prestressed Concrete Pipe Pile
  • Experimental Model and Data Testing Method of Horizontal Bearing Characteristics of Prestressed Concrete Pipe Pile
  • Experimental Model and Data Testing Method of Horizontal Bearing Characteristics of Prestressed Concrete Pipe Pile

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Experimental program
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Embodiment Construction

[0043] The present invention is described in detail below in conjunction with accompanying drawing:

[0044] Such as Figure 1-Figure 3 As shown, the test model of the horizontal bearing characteristics of prestressed concrete pipe piles includes a model groove 1, and the cap 6 for carrying the model pile is arranged in the model groove 1, and the upper end of the model pile 7 is embedded in the cap 6 The lower end of the model pile 7 is embedded in the sand 8, and a vertical loading system 4 that is connected with the vertical reaction frame 2 and implements a vertical force to the cap is provided above the model groove 1, and the model groove 1 is provided with a horizontal loading system 3 connected to it and exerting a horizontal force on the platform, and a monitoring device is provided on the platform 6, model pile 7 and loading system.

[0045] The monitoring device is a dial indicator 9 arranged on the cap, a strain gauge 11 arranged on the model pile, and an earth pr...

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Abstract

The invention particularly discloses a horizontal bearing characteristics test model for prestressed concrete pipe piles and a data testing method. The horizontal bearing characteristics test model comprises a model tank, a carrying platform and a model pile. A vertical loading system connected with the model tank and applying vertical force on the carrying platform is arranged above the model tank, a horizontal loading system connected with the model tank and applying horizontal force on the carrying platform is arranged on the inner side of the model tank, the upper end of the model pile is embedded into the carrying platform, and both the carrying platform and the model pile are provided with monitors. The test model and the data testing method can not only carry out model test of horizontal bearing characteristics of a single pile foundation and a group of piles but can research working properties of the grouped piles which are borne vertical load and horizontal load. The test model can be demounted by oneself, recyclable and capable of simulating various indoor mode tests of steady seepage, grouting mechanism, slope stability and the like.

Description

technical field [0001] The invention relates to a civil engineering test model and method, in particular to a test model and data test method for horizontal bearing characteristics of prestressed concrete pipe piles in building structures. Background technique [0002] The research on the horizontal bearing characteristics of prestressed concrete pipe piles mainly includes the research on the horizontal bearing characteristics of single pipe piles, the horizontal bearing characteristics of pipe pile groups, and the horizontal bearing characteristics of pipe pile groups under vertical loads. Since the pile foundation is an underground project, there are many uncertain factors, and the field test is affected by the construction period, environmental factors and human factors of the project, so it is difficult to comprehensively analyze and study the bearing characteristics of the pile foundation under multiple working conditions. Therefore, the current research on pile foundat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D33/00G01N3/10
Inventor 王基文宋修广亓乐张宏博任宪骏庄培芝杨庆义周志东岳红亚吴建清
Owner SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
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