Translational soil pressure measuring-mode testing device

A test device and earth pressure technology, which is applied in the field of foundation soil survey, construction, infrastructure engineering, etc., can solve the problems of high test cost and lack of test devices.

Active Publication Date: 2014-11-19
宁波市产城生态建设集团有限公司
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  • Abstract
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Problems solved by technology

[0006] However, the cost of field tests is too high, and model tests have become an effective means to study the lateral soil pressure distribution ...

Method used

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  • Translational soil pressure measuring-mode testing device
  • Translational soil pressure measuring-mode testing device
  • Translational soil pressure measuring-mode testing device

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Embodiment Construction

[0031] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] Such as figure 1 and figure 2 As shown, the translational earth pressure mold test device provided by the present invention includes an outer tank 1, an inner tank 2, an upper loading assembly, a lower loading assembly, an earth pressure measuring element 6 and a displacement measuring element 3, and the outer tank 1 can be placed on the ground It is excavated and then poured with concrete, and then an inner tank 2 is set in the outer tank 1. One side of the inner tank 2 can be opened, and a soil body 10 is arranged in the inner tank 2, and the lateral load-bearing body is located in the soil body 10. The soil body 10 can be stepped or have a certain slope. A plural...

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Abstract

The invention relates to the technical field of civil engineering, in particular to a translational soil pressure measuring-mode testing device which comprises an outer groove, an inner groove, an upper loading component, a lower loading component, multiple soil pressure measuring elements and a displacement measuring element. A transverse load-bearing body is positioned in a soil body, the soil pressure measuring elements are embedded in the soil body on the side face of the transverse load-bearing body, the displacement measuring element is arranged on the transverse load-bearing body, the upper loading component and the lower loading component are arranged horizontally and positioned on a same side of the transverse load-bearing body, one end of the upper loading component is abutted against the side wall of the outer groove while the other end of the same is connected with the top of the transverse load-bearing body, and one end of the lower loading component is abutted against the side wall of the outer groove while the other end of the same is connected with the bottom of the transverse load-bearing body. The upper loading component and the lower loading component load actions at the same time and push the transverse load-bearing body to move transversely by means of translation, so that soil pressure distribution law of the side face of the transverse load-bearing body under a translational displacement mode can be acquired through the soil pressure measuring elements and the displacement measuring element.

Description

technical field [0001] The invention relates to the technical field of civil engineering, in particular to a translational earth pressure model testing device. Background technique [0002] At present, in deep foundation pit engineering, port engineering, bridge engineering, high-rise buildings and slopes, etc., load-bearing bodies (such as load-bearing piles and retaining walls) are widely used, and they mainly bear the effects of lateral forces and moments or effect of vertical loads. [0003] Taking loaded piles as an example, they can be divided into vertical loaded piles (such as pile foundations) and horizontal loaded piles (such as anti-slide piles, enclosure piles) according to their stress characteristics. In the mechanical analysis process of laterally loaded piles, the biggest difficulty lies in how to accurately determine the lateral earth pressure acting on the piles. On the one hand, the soil pressure on the side of the pile is related to the deformation size...

Claims

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Application Information

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IPC IPC(8): E02D1/00
Inventor 朱剑锋李剑虹孟湘黔陈媛
Owner 宁波市产城生态建设集团有限公司
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