CN210376354U

CN210376354U - Soil layer depth simulation equipment

Info

Publication number: CN210376354U
Application number: CN201921261628.1U
Authority: CN
Inventors: 王平; 王会娟; 柴少峰; 许书雅; 于一帆; 蒲小武; 严武建; 郭海涛; 许世阳; 车高凤; 马金莲
Original assignee: Earthquake Administration Of Gansu Province
Current assignee: Earthquake Administration Of Gansu Province
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-21
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a soil layer degree of depth analog device, including the simulation case, the simulation case comprises rubber air bag, second gas-supply pipe, gas input hole, billet, three-way pipe, barometer and first gas-supply pipe, rubber air bag's the outside and billet fixed connection, rubber air bag's surface is provided with first gas-supply pipe, one side intercommunication that rubber air bag was kept away from to first gas-supply pipe has the three-way pipe, the top and the barometer intercommunication of three-way pipe. The utility model discloses at first, when the model preparation is tested to the shaking table, certain space is reserved with simulation incasement wall to two adjacent model boundaries, and this spatial distance is the same with gasbag thickness, can place surrounding soil layer analog equipment after the preparation of test model is accomplished, places surrounding soil layer analog equipment in the reserved space of model boundary and simulation incasement wall, and the gas input hole is connected with the one end of three-way pipe, and the other end and the trachea of three-way pipe are connected, and last one end is connected with the barometer.

Description

Soil layer depth simulation equipment

Technical Field

The utility model relates to a geotechnical engineering technical field specifically is a soil horizon degree of depth analog equipment.

Background

The soil depth is expressed in a form of stress in dynamics, the stress is an internal force which generates interaction between each part in an object in the process of forming the rock-soil body so as to resist the action of the external cause and try to restore the object from the deformed position to the position before deformation, the stress is not only a key problem in the geological engineering research but also one of important parameters required by the engineering construction and design, at present, the stress of the rock-soil body is simulated through an indoor test, the dynamic stability of the rock-soil is a hot point problem concerned in the field of the rock-soil engineering, the indoor test generally simulates the confining pressure and the axial pressure of the rock-soil body in the nature through a gas-to-water mode, but a large-scale vibrating table test model is limited by test conditions and technology and considers the great influence of water leakage on the vibrating table model and equipment, the gas-to-water mode simulates the confining pressure and the axial pressure of the rock-soil body in the nature and is not suitable for the vibrating table model test, therefore, according to an indoor air-to-water mode, a large-scale vibrating table test adopts a pure air pressure mode to simulate confining pressure and overlying pressure of a rock-soil body, namely overlying soil layer thickness and surrounding soil bodies, the existing soil layer depth simulation equipment cannot simulate different soil layer depth models to meet test requirements through the large-scale vibrating table test under the condition of effectively reducing test errors, and therefore the soil layer depth simulation equipment is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a soil horizon degree of depth analog equipment possesses convenient operation swift advantage, has solved current soil horizon degree of depth analog equipment and can't satisfy the problem of experimental demand through large-scale shaking table test simulation different soil horizon degree of depth models under the condition that effectively reduces experimental error.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a soil layer degree of depth analog device, includes the simulation case, the simulation case comprises rubber air bag, second gas-supply pipe, gas input hole, billet, three-way pipe, barometer and first gas-supply pipe, rubber air bag's the outside and billet fixed connection, rubber air bag's surface is provided with first gas-supply pipe, one side intercommunication that rubber air bag was kept away from to first gas-supply pipe has the three-way pipe, the top and the barometer intercommunication of three-way pipe, one side intercommunication that first gas-supply pipe was kept away from to the three-way pipe has the second gas-supply pipe.

Preferably, the outer surface of the rubber air bag is provided with an air input hole, and an inner cavity of the air input hole is sleeved with the first air conveying pipe.

Preferably, the upper part of the simulation box is provided with overburden thickness simulation equipment, and the side surface of the simulation box is provided with surrounding soil simulation equipment.

Preferably, the rubber air bag and the steel bars are sealed by hot pressing.

(III) advantageous effects

Compared with the prior art, the utility model provides a soil layer degree of depth analog device possesses following beneficial effect:

1. the utility model firstly reserves a certain space between the boundary of two adjacent models and the inner wall of the simulation box when the test model of the vibration table is prepared, the space distance is the same as the thickness of the air bag, the surrounding soil layer simulation equipment can be placed after the preparation of the test model is finished, the surrounding soil layer simulation equipment is placed in the reserved space between the boundary of the model and the inner wall of the simulation box, the gas input hole is connected with one end of the three-way pipe, the other end of the three-way pipe is connected with the gas pipe, the last end is connected with the barometer, after the placement of the surrounding soil layer simulation equipment is finished, the upper covering soil layer thickness simulation equipment is placed at the top of the simulation box, the gas input hole is connected with one end of the three-way pipe, the other end of the three-way pipe is connected with the gas pipe, and the last end of the three-way pipe is connected with the gas pressure meter, so that the problem that different soil layer depth models cannot be simulated through a large-scale vibration table to meet test requirements under the condition that test errors are effectively reduced by the existing soil layer depth simulation equipment is solved.

2. The utility model discloses a set up the gas input hole, made things convenient for the intercommunication between simulation case and the first gas-supply pipe, made things convenient for equipment to carry out work, through setting up hot-pressing seal for rubber air bag and billet can seamless connection.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an overburden thickness simulation device of the present invention;

fig. 3 is a schematic structural view of the simulation equipment on two adjacent sides of the soil body around the utility model.

In the figure: 1. a simulation box; 2. a rubber air bag; 3. a second gas delivery pipe; 4. a gas input aperture; 5. a steel bar; 6. a three-way pipe; 7. a barometer; 8. a first gas delivery conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a simulation case 1, rubber air bag 2, second gas-supply pipe 3, gas input hole 4, billet 5, three-way pipe 6, barometer 7 and first gas-supply pipe 8 part are the parts that general standard spare or field technician know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a soil layer depth simulation device comprises a simulation box 1, an overburden thickness simulation device is placed on the upper portion of the simulation box 1, a surrounding soil body simulation device is placed on the side face of the simulation box 1, the simulation box 1 is composed of a rubber airbag 2, a second gas pipe 3, a gas input hole 4, a steel bar 5, a three-way pipe 6, a barometer 7 and a first gas pipe 8, the gas input hole 4 is formed in the outer surface of the rubber airbag 2, the inner cavity of the gas input hole 4 is sleeved with the first gas pipe 8, the gas input hole 4 is formed, communication between the simulation box 1 and the first gas pipe 8 is facilitated, the device is convenient to work, the outer side of the rubber airbag 2 is fixedly connected with the steel bar 5, hot-pressing sealing is adopted between the rubber airbag 2 and the steel bar 5, and the rubber airbag 2 and the steel bar 5 can be connected seamlessly through the hot-pressing sealing, the surface of rubber gasbag 2 is provided with first gas-supply pipe 8, one side intercommunication that rubber gasbag 2 was kept away from to first gas-supply pipe 8 has three-way pipe 6, three-way pipe 6 adopts standard size, through the specification that sets up three-way pipe 6 for three-way pipe 6 is convenient to be changed, has avoided because three-way pipe 6 changes the trouble, and the condition that influences equipment use takes place, and the top and the barometer 7 of three-way pipe 6 communicate, and one side intercommunication that first gas-supply pipe 8 was kept away from to three-way pipe 6 has second gas-supply pipe 3.

When in use, firstly, when the test model of the vibration table is prepared, a certain space is reserved between the boundary of two adjacent models and the inner wall of the simulation box 1, the space distance is the same as the thickness of the air bag, the surrounding soil layer simulation equipment can be placed after the preparation of the test model is finished, the surrounding soil layer simulation equipment is placed in a reserved space between the boundary of the model and the inner wall of the simulation box 1, the gas input hole 4 is connected with one end of the three-way pipe 6, the other end of the three-way pipe 6 is connected with the gas pipe, the last end is connected with the barometer 7, after the placement of the surrounding soil layer simulation equipment is finished, the upper covering soil layer thickness simulation equipment is placed at the top of the simulation box 1, the gas input hole 4 is connected with one end of the three-way pipe 6, the other end of the three-way pipe 6 is connected with the gas pipe, and the last end of the three-way pipe is connected with the barometer 7, so that the problem that the existing soil layer depth simulation equipment cannot simulate different soil layer depth models to meet test requirements through a large-scale vibration table under the condition of effectively reducing test errors is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A soil layer depth simulation equipment, includes simulation case (1), its characterized in that: the simulation case (1) comprises rubber air bag (2), second gas-supply pipe (3), gas input hole (4), billet (5), three-way pipe (6), barometer (7) and first gas-supply pipe (8), the outside and billet (5) fixed connection of rubber air bag (2), the surface of rubber air bag (2) is provided with first gas-supply pipe (8), one side intercommunication that rubber air bag (2) were kept away from in first gas-supply pipe (8) has three-way pipe (6), the top and barometer (7) intercommunication of three-way pipe (6), one side intercommunication that first gas-supply pipe (8) were kept away from in three-way pipe (6) has second gas-supply pipe (3).

2. The soil depth simulation apparatus of claim 1, wherein: the outer surface of the rubber air bag (2) is provided with a gas input hole (4), and the inner cavity of the gas input hole (4) is sleeved with a first gas pipe (8).

3. The soil depth simulation apparatus of claim 1, wherein: an overburden soil thickness simulation device is placed on the upper portion of the simulation box (1), and a surrounding soil body simulation device is placed on the side face of the simulation box (1).

4. The soil depth simulation apparatus of claim 1, wherein: and the rubber air bag (2) and the steel bar (5) are sealed by hot pressing.