Pile fixing device and method for pile foundation model test

A fixed device and model test technology, which is applied in the test of foundation structure, foundation structure engineering, construction, etc., can solve the problems of single pile settlement and earth pressure cannot be effectively measured, model test error, large difference, etc. Multiple sets of diverse requirements, achieving differential settlement and convenient operation

Active Publication Date: 2020-12-18
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The inventors found that in the pre-embedding method, the method of fixed connection of the top of the pile is mostly used for fixing the piles, and there is no difference in the settlement between the piles, which is quite different from the actual project. At the same time, the settlement and soil pressure of the single pile in the pile group cannot Carry out effective measurement, bring large error to model test

Method used

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  • Pile fixing device and method for pile foundation model test
  • Pile fixing device and method for pile foundation model test
  • Pile fixing device and method for pile foundation model test

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Embodiment 1

[0038] Attached below Figure 1-Figure 3 The present invention is described in detail, specifically, the structure is as follows:

[0039] This embodiment provides a pile fixing device for pile foundation model tests, including a model box 1, a pile fixing device and a mobile clamping device, the mobile clamping device is arranged above the model box 1, After the fixing device is put into the model box 1, the pile body fixing device can be clamped.

[0040] In this embodiment, the model box 1 is a cuboid structure with an open top, and a transparent glass plate is installed on one side thereof to facilitate observation of the height of the internal soil sample.

[0041] Such as image 3 As shown, the pile fixing device includes an upper support plate 4, a lower support plate 6, a screw 5 and a nut 7, and a plurality of screw rods 5 pass through the upper support plate 4 and the lower support plate 6 in turn, and are located at the upper support plate 4, the lower support pla...

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Abstract

The invention discloses a pile body fixing device and method for a pile foundation model test, and solves the problem that a pile foundation model test in the prior art cannot realize differential settlement of a pile foundation. The pile body fixing device and method for the pile foundation model test have the effects of simple structure, convenient operation and capability of meeting multiple sets of diversification requirements of the model test. The technical scheme is as follows: the device comprises a model box, a pile body fixing device body and a movable clamping device, the model boxis used for filling soil samples, the pile body fixing device body comprises an upper supporting plate and a lower supporting plate, the upper supporting plate and the lower supporting plate are connected through a plurality of screws, the corresponding positions of the upper supporting plate and the lower supporting plate are uniformly provided with a plurality of through holes, and the movable clamping device is arranged above the model box and can clamp the pile fixing device body after the pile fixing device body is placed in the model box.

Description

technical field [0001] The invention relates to the field of pile foundation model tests, in particular to a pile fixing device and method for pile foundation model tests. Background technique [0002] Model test refers to the method of conducting corresponding tests on a specific engineering geological problem according to a certain similarity principle in a laboratory environment with a reduced or proportional model to obtain relevant data and check design defects. The main research method in the field of engineering. Pile foundation, as the foundation form widely used in my country at present, is widely used in high-rise buildings, bridges, high-speed rail and other projects. Therefore, to determine the pile bearing type and accurately calculate the ultimate bearing capacity of the pile body, to ensure that the pile foundation can meet the needs of the project, the superstructure (structure) To ensure that the building can operate safely, it needs to be tested and verifie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 张乾青李振宝马彬刘善伟崔春雨陈兆庚邢宇铖肖凯邵斌
Owner SHANDONG UNIV
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