CN210923045U - On-spot bearing capacity testing arrangement of flood control wall - Google Patents
On-spot bearing capacity testing arrangement of flood control wall Download PDFInfo
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- CN210923045U CN210923045U CN201922223159.0U CN201922223159U CN210923045U CN 210923045 U CN210923045 U CN 210923045U CN 201922223159 U CN201922223159 U CN 201922223159U CN 210923045 U CN210923045 U CN 210923045U
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Abstract
The utility model provides a field bearing capacity testing arrangement of flood control wall. The device for testing the field bearing capacity of the flood control wall comprises a hinged joint, a supporting beam and a tension applying device, wherein one side of the hinged joint is a stressed end attached to the rear side of a flood control wall upright post, and the other side of the hinged joint is a pulling end; the tensile force applying device applies horizontal tensile force to the pulling end relative to the supporting beam and transmits the horizontal tensile force to the stressed end. Compared with the prior art, the utility model provides a on-spot bearing capacity testing arrangement of flood control wall exerts the mode for the stand from flood control wall stand rear side, better simulation the stand receiving the hydrostatic pressure of water or the impact load condition of wave debris etc. its steerable a plurality of pulling forces are exerted the device and are applyed the pulling force of equidimension not, provide different experimental schemes.
Description
Technical Field
The utility model relates to a remove the experimental technical field of flood control wall engineering, especially relate to a field bearing capacity testing arrangement of flood control wall.
Background
In the laboratory test of the mobile flood control wall upright column welding strength, a vertical pressurizing form is generally adopted for the upright column, and the bottom is a fixed end. In the field test process, the bottom of the stand column is in pouring fit with the concrete foundation through the embedded part, the side face of the flood wall stand column needs to bear more impact loads such as hydrostatic pressure of water bodies or wave sundries, and in order to test the anchoring strength of the stand column, a test device capable of horizontally pressurizing needs to be designed to meet the test of the bearing capacity of the stand column.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a field bearing capacity testing arrangement of flood control wall to satisfy the test requirement that needs the side level pressurization to the stand at the field test.
The technical scheme of the utility model is that: a device for testing the field bearing capacity of a flood control wall comprises a hinged joint, a supporting beam and a tension applying device, wherein one side of the hinged joint is a stressed end attached to the rear side of a flood control wall upright post, and the other side of the hinged joint is a pulling end; the tensile force applying device applies horizontal tensile force to the pulling end relative to the supporting beam and transmits the horizontal tensile force to the stressed end.
In the scheme, the horizontal tension applied by the tension applying device is transmitted to the stress end, and the flood control wall stand column is pulled by the stress end so as to simulate the stress condition of the real stand column and make up the vacancy of a field test experiment of the flood control wall stand column.
The rear side mentioned above refers to the side in contact with the water body.
Preferably, the number of the hinged joints and the number of the tension applying devices are multiple, and the hinged joints and the tension applying devices are arranged at intervals along the height direction of the support beam.
A plurality of test points with different heights are extracted, and different experimental schemes are provided for different tension applied by each test point so as to better research the damage conditions of the bottoms of the movable flood control walls and the concrete foundations.
Preferably, the tensile force applying device is a telescopic structure. The telescopic structure can not occupy excessive arrangement space, and stretching can realize tension micro-adjustment.
Preferably, the bottom of the supporting beam is provided with a bottom plate, and the bottom plate is provided with a ground bolt connected with a concrete floor and a wall bolt connected with a concrete foundation wall.
Preferably, the supporting beam is a box beam structure, a plurality of reinforcing plates are arranged in the box beam structure, the plurality of reinforcing plates are respectively arranged close to the plurality of tension applying devices, and the reinforcing plates are parallel to the applied tension.
The reinforcing plate is arranged to increase the strength of the side face of the bearing tension of the supporting beam, and the side face can be effectively prevented from being torn in an experiment.
Preferably, the hinged joint includes front plate, back splint and connect in a plurality of pull rods between front plate and the back splint, the front plate be the end is pulled, the back splint be the stress end, the front plate with the pulling force applying device is articulated.
The hinged joint with the structure can be used for carrying out pressurization test on the stand columns with different models and specifications.
Preferably, the device further comprises a laser distance meter arranged on the top of the support beam, and a transmitting head of the laser distance meter points to the stress end.
The laser range finder is used for measuring the deformation of the upright column during the experiment.
Preferably, the tension applying device is provided with a force sensor for recording the tension value applied by the tension applying device.
Compared with the prior art, the beneficial effects of the utility model are that: the mode that the cementing connects, connection structure and pulling force between the device is applyed and the supporting beam are applyed to the device from flood control wall stand rear side and are applyed the pulling force for the stand, better simulation the stand receive the hydrostatic pressure of water or the impact load condition of wave debris etc. its steerable a plurality of pulling force application device and apply the pulling force of equidimension not, provide different experimental schemes.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a device for testing the field bearing capacity of a flood wall provided by the present invention;
fig. 2 is a left side schematic view of fig. 1.
In the attached drawing, 1-hinged joint, 2-supporting beam, 3-tension applying device, 4-laser range finder, 5-force sensor, 11-front splint, 12-rear splint, 13-pull rod, 21-bottom plate, 22-ground bolt, 23-wall bolt, 24-reinforcing plate and 100-upright post.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
As shown in fig. 1 and 2, the present embodiment provides a flood wall field bearing capacity testing device, which comprises an articulated joint 1, a support beam 2, a tension applying device 3, a laser distance measuring instrument 4 and a force sensor 5.
The front clamping plate 11 is the pulling end, the rear clamping plate 12 is the stress end, and the front clamping plate 11 is hinged with the tension applying device 3. The tensile force applying device 3 applies horizontal tensile force to the pulling end relative to the support beam 2 and transmits the horizontal tensile force to the stressed end.
In this embodiment, the tension applying device 3 is a telescopic hydraulic jack.
The bottom of the supporting beam 2 is provided with a bottom plate 21, and the bottom plate 21 is provided with a ground bolt 22 connected with the concrete floor and a wall bolt 23 connected with the concrete foundation wall. The ground bolt 22 and the wall bolt 23 fix the support beam 2 of the testing device with the concrete ground and the concrete foundation wall respectively. The ground bolt 22 supports and fixes the concrete ground. The wall bolt 23 plays a main fixing role for the concrete foundation wall surface and is a key structure for balancing the reaction force of the tension applying device 3 during working.
The number of the hinged joints 1 and the number of the tension applying devices 3 are multiple, and the hinged joints and the tension applying devices are arranged at intervals along the height direction of the support beam 2. In the present embodiment, 4 test holes are reserved on the height of the support beam 2, and the height is 0.5 meter, 1.0 meter, 1.5 meter and 2.0 meters respectively. The four hinged joints 1 are sequentially sleeved on the flood control wall upright post, and the rear clamping plate 12 at the stress end is attached to the rear side of the flood control wall upright post 100. The support beam 2 is pulled by the pulling force applying means 3 into a horizontal state at the pulling end side of the articulated joint 1. 4 survey and examine the hole and provide installation space for four jacks, make the jack can work at different height, research removal flood control wall bottom, concrete foundation destruction condition. And the pressure test can be carried out on the flood control wall columns with different models and specifications.
The stress end applies the pulling force applied by the pulling force applying device 3 to the flood wall upright post 100 from the rear side of the flood wall upright post 100 so as to simulate the impact load condition of the upright post under the hydrostatic pressure of water or wave sundries and the like to the maximum extent.
The force sensor 5 is arranged between the tension applying device 3 and the hinged joint 1, and can record tension applied by a jack during an experiment. The front clamping plate 11 at the pulling end is connected with the pulling force applying device 3 through the hinged joint 1 and is used as a main component for transmitting pulling force.
The supporting beam 2 is of a box beam structure, a plurality of reinforcing plates 24 are arranged in the box beam structure, the plurality of reinforcing plates 24 are respectively arranged close to the 4 tension applying devices, and the reinforcing plates 4 are parallel to the applied tension.
Laser range finder 4 installs at a supporting beam 2's top, laser range finder 4's transmission head points to the stress end. The laser range finder 4 is used for measuring the deformation of the flood control wall column during the experiment.
During the experiment, the pulling end is applied with corresponding pulling force through the pulling force applying device 3, displacement control is adopted, load is applied at the speed of 0.5mm/min until the structure fails, and the pressure reading is read. And testing the anchoring strength of the bottom of the column, recording the deformation and damage conditions of the concrete foundation, and finally giving an evaluation report of the water retaining capacity of the column of the movable flood control wall.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. The device for testing the field bearing capacity of the flood control wall is characterized by comprising a hinged joint (1), a supporting beam (2) and a tension applying device (3), wherein one side of the hinged joint (1) is a stressed end attached to the rear side of a flood control wall upright post, and the other side of the hinged joint (1) is a pulling end; the pulling force applying device applies horizontal pulling force to the pulling end relative to the supporting beam (2) and transmits the horizontal pulling force to the force bearing end.
2. The on-site load-bearing capacity testing device of the flood control wall according to claim 1, wherein the number of the hinged joints (1) and the tension applying devices (3) is multiple and are arranged at intervals along the height direction of the support beam (2).
3. A flood wall site load bearing capacity testing device according to claim 1 or 2, wherein the tensile force applying means (3) is of a telescopic construction.
4. The on-site load-bearing capacity test device of the flood control wall according to claim 1 or 2, wherein a bottom plate (21) is arranged at the bottom of the support beam (2), and a ground bolt (22) connected with the concrete floor and a wall bolt (23) connected with the concrete foundation wall are arranged on the bottom plate (21).
5. A flood wall site load-carrying capability test device according to claim 2, wherein the support beam (2) is a box beam structure, a plurality of reinforcing plates (24) are arranged in the box beam structure, the plurality of reinforcing plates (24) are respectively arranged adjacent to the plurality of tension applying devices (3), and the reinforcing plates (24) are parallel to the applied tension.
6. The flood wall site load-bearing capacity testing device according to claim 1, wherein the hinged joint (1) comprises a front clamping plate (11), a rear clamping plate (12) and a plurality of pull rods (13) connected between the front clamping plate (11) and the rear clamping plate (12), the front clamping plate (11) is the pulling end, the rear clamping plate (12) is the stressed end, and the front clamping plate (11) is hinged with the pulling force applying device (3).
7. The on-site load-bearing capacity testing device for the flood control wall according to claim 1, further comprising a laser distance measuring instrument (4) mounted on the top of the supporting beam (2), wherein the emitting head of the laser distance measuring instrument (4) points to the force bearing end.
8. The on-site load-bearing capacity testing device of the flood wall according to claim 1, wherein the tension applying device (3) is provided with a force sensor (5) for recording the tension value applied by the tension applying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223159.0U CN210923045U (en) | 2019-12-12 | 2019-12-12 | On-spot bearing capacity testing arrangement of flood control wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223159.0U CN210923045U (en) | 2019-12-12 | 2019-12-12 | On-spot bearing capacity testing arrangement of flood control wall |
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| Publication Number | Publication Date |
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| CN210923045U true CN210923045U (en) | 2020-07-03 |
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| CN201922223159.0U Active CN210923045U (en) | 2019-12-12 | 2019-12-12 | On-spot bearing capacity testing arrangement of flood control wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834629A (en) * | 2021-09-30 | 2021-12-24 | 山东良成环保科技股份有限公司 | Flood control plate test device and test method |
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2019
- 2019-12-12 CN CN201922223159.0U patent/CN210923045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834629A (en) * | 2021-09-30 | 2021-12-24 | 山东良成环保科技股份有限公司 | Flood control plate test device and test method |
| CN113834629B (en) * | 2021-09-30 | 2024-04-05 | 山东良成环保科技股份有限公司 | Flood control plate test device and test method |
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