Large soil-structure interaction test box

A kind of test box, large-scale technology, applied in the direction of basic structure test, basic structure engineering, construction, etc., can solve the problem that the rigidity cannot be changed, and achieve the effect of solving the rigidity of the box

Inactive Publication Date: 2017-03-22
黑龙江省地震局
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Problems solved by technology

[0003] The present invention proposes a large-scale soil-junction interaction test box, which solves the problem that the stiffness of the test box in the prior art cannot be changed after it is manufactured

Method used

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] Such as Figure 1-Figure 5 As shown, the large-scale soil-junction interaction test box in this embodiment includes a base 1. In order to increase the strength of the base 1 and prevent dangerous situations during the hoisting process, a reinforcing beam can be set on the base 1; There is a box body, and the box body includes several layers of body frame segments 2 stacked on top of each other, and a top frame segment 3 is arranged on the top of the bod...

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Abstract

The invention provides a large soil-structure interaction test box. A box body is arranged on a base and comprises a plurality of layers of body frame sections arranged in a stacked mode and a top frame section, wherein each body frame section and the top frame section are each a frame body which is defined by sequentially connecting a pair of opposite cross beams and a pair of opposite longitudinal beams; and rolling plates are arranged on the cross beams of the body frame sections, and balls are arranged on the rolling plates. An accommodating cavity is formed by the box body and the base, and the inner wall of the accommodating cavity is lined with an anti-leak layer. Stiffeners are arranged on the outer surfaces of the longitudinal beams, and a plurality of screw holes are formed in each stiffener. Vertically-arranged round steel rods are arranged on the outer sides of the longitudinal beams and screwed into the screw holes through fixing strips and bolts. According to the large soil-structure interaction test box, the round steel rods are arranged on the side faces of the box body and can be detached, and the installation positions of the round steel rods can be flexibly changed so that the rigidity of the box body can be changed by selecting different numbers of round steel rods with different diameters and different installation positions of the round steel rods. Since the round steel rods have the same rigidity in any direction in the horizontal plane, the round steel rods can provide the same rigidity in any direction of the horizontal plane for the box body.

Description

technical field [0001] The invention relates to the technical field of soil-knot dynamic interaction experimental equipment, in particular to a large-scale soil-knot interaction test box. Background technique [0002] In the seismic test, a container must be designed to contain the soil so that it maintains a certain shape. Since the prototype soil approximately undergoes shear deformation under earthquake action, an ideal soil container should satisfy the following conditions: it can not only simulate the boundary conditions of the soil correctly, but also correctly simulate the shear deformation of the soil. In fact, the limitation of the soil box boundary to the deformation of the soil, as well as the emission and scattering of waves will have a greater impact on the test results, which is the so-called "model box effect". However, the rigidity of the existing test box cannot be changed after the production is completed, which reduces the flexibility and applicability of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 孙海峰景立平李永强杜秋男
Owner 黑龙江省地震局
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