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Pile top simulation dynamic load device and method

A technology of pile top and dynamic load, which is applied in construction, foundation structure test, foundation structure engineering, etc. It can solve the problems of pressure pile damage, poor economy, and overall bulky equipment, so as to eliminate pile pulling force and light overall weight , Ease of processing

Active Publication Date: 2020-08-04
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing vertical loading device on the top of the pile is easy to generate uplift force when loading, which will cause tensile stress on the pile body, and it is more likely to cause greater damage to the pile under pressure
In addition, the existing vertical loading device on the top of the pile is bulky as a whole, and the economy is poor

Method used

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  • Pile top simulation dynamic load device and method
  • Pile top simulation dynamic load device and method
  • Pile top simulation dynamic load device and method

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Embodiment Construction

[0043] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0044] In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described here, and those skilled in the art can make similar extensions without departing from the connotation of the present invention. Accordingly, the present invention is not limited to the specific embodiments disclosed below.

[0045] Such as Figure 1 to Figure 4 As shown, the pile top simulation dynamic load device of the present invention includes a chassis shell 1, a disc loading mechanism 2, a gear set force transmission mechanism 10, an external support mechanism and an intelligent data acquisition and outp...

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Abstract

The invention relates to pile body dynamic load simulation, in particular to a pile top simulation dynamic load device and method. It includes a case shell, a disc type loading mechanism, a gear set force transmission mechanism and an external support mechanism. The mechanism can achieve load gradation through its internal mass blocks, and can change the magnetic poles through electromagnets to generate attractive and repulsive forces with permanent magnets, and then change the radius of the upper semicircle loading process to eliminate pile pulling force, while the lower semicircle During the loading process, the downward loading force is provided by changing the radius, so the device realizes that during the loading process of the pile top, no uplifting force is generated, only a vertical downward loading force. By changing the size of the quality block and variable frequency motor frequency, different loading forces and different loading frequencies are simulated to simulate the situation of the pile body under actual load.

Description

technical field [0001] The invention relates to pile body dynamic load simulation, in particular to a pile top simulation dynamic load device and method. Background technique [0002] With the rapid development of expressway technology, its application has involved offshore or coastal areas. The common soil layer of the road foundation foundation is muddy soil, and it is difficult to guarantee the bearing capacity of the foundation only by replacing the filling soil. Therefore, pile foundations must be installed in these areas. , in order to meet the bearing capacity requirements of normal use. The bearing capacity of the pile directly affects the bearing capacity of the entire foundation. Therefore, it is necessary to monitor and analyze the dynamic characteristics of a single pile under preset loads, and finally predict and analyze the life of the pile. [0003] When the existing pile top vertical loading device realizes loading, it is easy to generate uplifting force, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 刘俊伟万志朋孟鋆代邢可朱娜凌贤长郑东生
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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