CN2195122Y

CN2195122Y - Combined stacked body similar material simulation experiment device

Info

Publication number: CN2195122Y
Application number: CN 94210621
Authority: CN
Inventors: 柴敬; 石平伍
Original assignee: XI AN MINING COLLEGE
Current assignee: XI AN MINING COLLEGE
Priority date: 1994-04-30
Filing date: 1994-04-30
Publication date: 1995-04-19
Anticipated expiration: 2004-04-30

Abstract

The utility model relates to a combined stacked body similar material simulation experiment device which is used for testing in a laboratory. A load oil cylinder is fixed on the load beam of the utility model, a trench is constructed on a foundation, and the upright column of the utility model moves along the trench; the lower part of the upright column is connected with a horizontal or an inclined combined chassis, and a sensor strip is arranged under the combined chassis; form panels a and b are connected with the upright column, and the load beam is connected with the upright column; a plane or a stereo simulation device is combined through moving the upright column and lengthening the form panels. The utility model has the advantages of simple structure, flexible combination and cost saving; the utility model can complete an underground engineering experiment and can also be used for the simulation researches of side slopes, dams and other engineering simulation researches.

Description

Combined stacked body similar material simulation experiment device

The utility model belongs to laboratory testing rig.

Existing equivalent material simulating experimental provision, classify from structure, mainly contain two kinds of versions, a kind of is fixed areal model frame, all uses the model support of this structure as universities and colleges such as the Central-South research institute of mining and metallurgy in Hunan, China Mining University, Shandong Mineral Colleges; Another kind is the stereoscopic model experiment frame, studies units such as total institute, Tsing-Hua University as the mining industry of French Essen and utilizes the oil cylinder three-dimensional to load measurement rock mass strain value.The analogue experiment installation of above-mentioned two kinds of versions all is to utilize shaped steel to be welded, their weak point is model support easy deformation in the experimentation, it is bigger to be directed at measuring error, simultaneously, they are fixed model framves, so a kind of model can only be done a kind of simulation test, it can not be assembled flexibly, thereby causes experimental expenses increase, waste material, experiment setup time length etc.

The purpose of this utility model is to design a kind of combined stack body equivalent material simulating experimental provision, and it is a unitized construction, can be combined into the areal model experimental provision of different size with user's requirement, perhaps the stereoscopic model experimental provision of different size.

In order to realize the foregoing invention purpose, the technical solution of the utility model is achieved in that on the loading beam of combined stack body equivalent material simulating experimental provision and is fixedly connected with load cylinder, at least 5 vertical trenches on ground, have been constructed, two or four columns move along trench, its column base is fixed by bolts on the trench, the bottom of column is connected with combination chassis, sensor installation band below combination chassis, also have template a and template b with column links together, loading beam is connected with column, combination chassis is all or part of bottom-dump combination, and its combination chassis is level or inclination is connected with column.Improvements of the present utility model are: two root posts of said combined stack body equivalent material simulating experimental provision and template a and template b form the plane simulation experimental provision, become the three-dimensional modelling experimental provision with form assembly with four root posts, distance that wherein utilize to adjust column at least can 8 kinds on combined planar model or 15 kinds of stereoscopic models, its column, combination chassis, template are processed by cast steel, have viewport on the template, the contact of the sensor band on the combination chassis and the bottom surface of analog material join.

Above-mentioned said Analogue test model of combined piling body also can become the experiment frame that one six face can both retrain rock mass deformation, and is not the experiment frame of a fixed measure, and its template does not produce distortion, has guaranteed to measure the precision of ess-strain.

The utility model is owing to adopted combined stack body experimental provision, can adjust the size of experimental provision with the needs of engineering arbitrarily, overcome fixed model support and can only finish a kind of simulated experiment, thereby can reduce owing to need to make the expense of all size form experimental provision, this device can be done the plane simulation experiment simultaneously, can do the three-dimensional modelling experiment again, accomplished that an experimental provision can finish multiple testing requirements, had that testing expenses are low, preliminary work short, simple in structure, characteristics that measuring accuracy is high.

Below in conjunction with accompanying drawing content of the present utility model is illustrated:

Fig. 1 is a front view of the present utility model;

Fig. 2 is a vertical view of the present utility model;

Fig. 3 is the stereoscopic model vertical view of the utility model embodiment;

Fig. 4 is the top plan view of the joint template of the utility model embodiment;

Fig. 5 is the top plan view of the two joint templates of the utility model embodiment;

Fig. 6 is the top plan view of the three joint templates of the utility model embodiment;

With reference to Fig. 1, shown in Figure 2, be fixedly connected with load cylinder 2 on the loading beam 1 of combined stack body equivalent material simulating experimental provision, at least 5 vertical trenches on ground, have been constructed, two or four columns 3 move along trench, its column base is fixed by bolts on the trench, the bottom of column is connected with the combination chassis 5 of level or inclination, sensor installation band 6 below combination chassis 5, and the contact of its sensor and the bottom surface of analog material join.No matter on the ground or underground rock or soil often not exclusively be that level is composed and deposited, rock-soil layer all has the inclination angle mostly, this device is for the physical condition of real simulation rock-soil layer more, the setting angle of combination chassis 5 and column 3 and the inclination angle of engineering rock-soil layer are consistent, in addition, combination chassis also need be made all or part of bottom-dump combination, for example when tests such as simulation dam, side slope, just needs part bottom-dump structure just can finish experimental duties.

When doing the three-dimensional modelling test, only need mobile column, spreading template a and template b, the two ends of its template connect with bolt, simultaneously template is connected with column and can increases analogue experiment installation, observes the rock-soil layer process that falls that collapses for convenience, has viewport on template, template, column, combination chassis are all cast processing with cast steel, have overcome prior art and have welded yielding shortcoming with shaped steel.

After engineering test scheme size is determined, the mobile column position, with bolt the column base is fixed on the trench, determine rock-soil layer inclination angle and rock-soil layer thickness according to geologic log then, install combination chassis and sensor, fixed form, in model support, fill the simulation analog material of different-thickness, after treating that analog material is filled, loading beam and load cylinder and cylinder pedestal are installed on column top, constantly exert pressure to similar material model by hydraulic pump, its pressure is delivered to template by simulation material, on combination chassis and the column, by the pressure transducer band force value is measured out at last.Also can add certain initial pressure simultaneously, excavate tunnel, side slope, dam etc. then, pressurize again after waiting to have excavated, observe the distortion of its tunnel, side slope, dam or the process that falls that collapses, to determine support form or reinforcement measure.

With reference to shown in Figure 3, the embodiment 1 of the utility model three-dimensional modelling device that it is made up of four root posts, two joint template a and a joint template b, horizontal combination chassis and sensor band.

With reference to shown in Figure 4, the embodiment 2 of the pitch plane analogue means that it is made up of two root posts, two template a of a joint and part bottom-dump combination chassis.

With reference to Fig. 5, shown in Figure 6, it is respectively embodiment 3, the embodiment 4 of the plane simulation device of two joints and three joint template a compositions.

Claims

1, a kind of combined stack body equivalent material simulating experimental provision, be fixedly connected with load cylinder (2) on the loading beam (1), it is characterized in that also comprising the column (3) that two or four can move along the ground trench, the bottom of column (3) is connected with combination chassis (5), sensor installation band (6) below combination chassis (5), with template (a) and template (b) in addition that column (3) links together, loading beam (1) is connected with column (3).

2, combined stack body equivalent material simulating experimental provision according to claim 1 is characterized in that column (3), combination chassis (5), template (a, b) are processed by cast steel.

3, combined stack body equivalent material simulating experimental provision according to claim 1 is characterized in that all or part of bottom-dump combination of combination chassis (5).

4, according to claim 1 or 3 described combined stack body equivalent material simulating experimental provisions, it is characterized in that combination chassis (5) is level or inclination is installed on the column (3).

5,1 described combined stack body equivalent material simulating experimental provision as requested is characterized in that can being combined into the three-dimensional modelling experimental provision with two root posts and the synthetic plane simulation experimental provision of template group with four root posts and template.