CN217267369U - Narrow groove shallow layer flat plate load test device - Google Patents
Narrow groove shallow layer flat plate load test device Download PDFInfo
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- CN217267369U CN217267369U CN202122068482.2U CN202122068482U CN217267369U CN 217267369 U CN217267369 U CN 217267369U CN 202122068482 U CN202122068482 U CN 202122068482U CN 217267369 U CN217267369 U CN 217267369U
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Abstract
The utility model discloses a dull and stereotyped load test device of narrow slot shallow layer sets up in narrow slot, including setting up in the lateral part vertical subassembly of narrow slot inner wall both sides, shaped steel reaction frame, the jack, the load steel sheet, the displacement monitor, lateral part vertical subassembly's upper end protrusion in the ground surface, the lower extreme of lateral part vertical subassembly is pegged graft in the ground, shaped steel reaction frame welded fastening in lateral part vertical subassembly, the upper and lower both ends of jack are contradicted respectively in the downside of shaped steel reaction frame, the upper surface of load steel sheet, the load steel sheet is laminated on waiting to detect the ground, the displacement monitor sets up on the load steel sheet and detects the removal displacement of load steel sheet. The lateral vertical component is matched with the profile steel reaction frame, the jack, the bearing steel plate and the displacement monitoring probe, the moving displacement of the lateral vertical component is transmitted to the jack and the bearing steel plate, and the problems of high risk, poor stability and inconvenience in experiment of a narrow groove shallow slab load test in the prior art are solved.
Description
Technical Field
The utility model relates to an engineering field especially relates to a narrow slot shallow layer flat plate load test device.
Background
At present, a shallow flat plate load test is an important standard for testing a foundation, a rigid plate with a certain size and a certain geometric shape is placed on a tested foundation bearing layer on a proposed building site, the load is increased step by step, and stable settlement under each level of load is measured until the stable settlement reaches the foundation destruction standard, so that a load-settlement curve can be obtained. The flat plate load test of the shallow layer of the foundation soil can be suitable for determining the bearing capacity and the deformation parameters within the main influence range of the lower stress of the bearing plate of the shallow foundation soil layer, the area of the bearing plate is not less than 0.25 square meter, and the area of the bearing plate is not less than 0.5 square meter for soft soil and filled soil with larger grain size. In the prior art, the bearing capacity of foundation soil can be determined by adopting a shallow slab load test, the elastic modulus of foundation soil is determined, the foundation bed reaction coefficient of the foundation soil is determined, and the non-drainage shear strength of the foundation soil is estimated.
However, the existing shallow plate load test has the following defects:
in the prior art, when a shallow slab load test is carried out, concrete piles or sand bags are required to be used for providing reaction force under the conventional condition, the form for providing the reaction force has large floor area, high material consumption and certain danger, cannot adapt to the field conditions of narrow and small processes and narrow grooves, and cannot be used for detecting the bearing capacity of the foundation at the bottoms of the grooves in the processes, so that the shallow slab load test method in the prior art has the problems of high danger, poor stability and inconvenient experiment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a narrow groove shallow plate load test device, which can solve the problems of high risk, poor stability and inconvenient experiment.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
the utility model provides a dull and stereotyped load test device of narrow slot shallow layer, sets up in narrow slot, including setting up in lateral part vertical subassembly, shaped steel reaction frame, jack, load steel sheet, the displacement monitoring probe of narrow slot inner wall both sides, the upper end protrusion in the ground surface of lateral part vertical subassembly, the lower extreme of lateral part vertical subassembly is pegged graft in the ground, shaped steel reaction frame welded fastening in lateral part vertical subassembly, the upper and lower both ends of jack contradict respectively in the downside of shaped steel reaction frame the upper surface of load steel sheet, the load steel sheet laminating is on waiting to detect the ground, the displacement monitoring probe set up in on the load steel sheet and detect the removal displacement of load steel sheet.
Furthermore, the number of the displacement monitoring probes is two, and the two displacement monitoring probes are distributed at two ends of the bearing steel plate.
Furthermore, a reinforcing sheet is arranged at the joint of the section steel reaction frame and the section steel reaction frame.
Further, the lateral vertical assembly is a steel sheet pile support or a channel steel support.
Further, lateral part vertical assembly is supported for the channel-section steel, narrow slot shallow layer flat plate load test device still includes upside girder steel subassembly, the tip welded fastening of upside girder steel subassembly is in the channel-section steel is strutted.
Furthermore, the extending direction of the jack is vertical to the surface of the bearing steel plate.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the lower end of the lateral vertical component is inserted into a foundation, the profile steel reaction frame is welded and fixed to the lateral vertical component, the upper end and the lower end of the jack respectively abut against the lower side of the profile steel reaction frame and the upper surface of the bearing steel plate, the bearing steel plate is attached to the foundation to be detected, and the displacement monitoring probe is arranged on the bearing steel plate and detects the moving displacement of the bearing steel plate. The lateral vertical component, the structural steel reaction frame, the jack, the bearing steel plate and the displacement monitoring probe are matched to transmit the moving displacement of the lateral vertical component to the jack, the bearing steel plate and the displacement monitoring probe, and the problems of high risk, poor stability and inconvenience in experiment of a narrow groove shallow slab load test in the prior art are solved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a structural diagram of a narrow groove shallow slab load testing device according to a preferred embodiment of the present invention.
In the figure: 100. a ground surface; 200. detecting a foundation to be detected; 10. a side stand assembly; 20. a section steel reaction frame; 30. a jack; 40. a force bearing steel plate; 50. a displacement monitoring probe; 60. upside girder steel subassembly.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1, a shallow slab load test device for a narrow trench is arranged in the narrow trench, and includes a lateral vertical component 10, a profile steel reaction frame 20, a jack 30, a force-bearing steel plate 40, and a displacement monitoring probe 50, which are arranged on two sides of an inner wall of the narrow trench, wherein the upper end of the lateral vertical component 10 protrudes out of a ground surface 100, the lower end of the lateral vertical component 10 is inserted into a foundation, the profile steel reaction frame 20 is welded and fixed to the lateral vertical component 10, the upper end and the lower end of the jack 30 respectively abut against the lower side of the profile steel reaction frame 20 and the upper surface of the force-bearing steel plate 40, the force-bearing steel plate 40 is attached to the foundation 200 to be tested, and the displacement monitoring probe 50 is arranged on the force-bearing steel plate 40 and detects the displacement of the force-bearing steel plate 40. The lateral vertical component 10, the structural steel reaction frame 20, the jack 30, the bearing steel plate 40 and the displacement monitoring probe 50 are matched, so that the moving displacement of the lateral vertical component 10 is transmitted to the jack 30, the bearing steel plate 40 and the displacement monitoring probe 50, and the problems of high risk, poor stability and inconvenience in experiment of a narrow groove shallow flat plate load test in the prior art are solved.
Preferably, the number of the displacement monitoring probes 50 is two, and the two displacement monitoring probes 50 are distributed at two ends of the force bearing steel plate 40. The two displacement monitoring probes 50 are provided for the purpose of: the accuracy of measurement is improved.
Preferably, a reinforcing sheet is arranged at the joint of the section steel reaction frame 20 and the section steel reaction frame 20. The purpose of setting is as follows: the stability of the whole device is improved. In this embodiment, the steel reaction frame 20 is an H-shaped steel.
Preferably, the side vertical component 10 is a steel sheet pile support or a channel steel support. Specifically, when lateral vertical component 10 is supported by the channel steel, narrow groove shallow slab load test device further includes an upper side steel beam component 60, and the end of upper side steel beam component 60 is welded and fixed to the channel steel support. In this embodiment, the upper steel beam assembly 60 is an i-shaped frame, and the upper flange plate of the H-shaped steel is connected with the steel sheet pile support in a welding full-weld mode by using 4 reaction frame reinforced steel sheets to reinforce the stress capacity of the H-shaped steel.
Preferably, the extending direction of the jack 30 is perpendicular to the surface of the bearing steel plate 40. Whole device compact structure, novel structure, design benefit, the suitability is strong, the facilitate promotion.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a dull and stereotyped load test device of narrow slot shallow layer sets up in narrow slot, including setting up in lateral part vertical assembly, shaped steel reaction frame, jack, load steel sheet, the displacement monitor probe of narrow slot inner wall both sides, its characterized in that:
the upper end of the lateral vertical component protrudes out of the ground surface, the lower end of the lateral vertical component is inserted into the foundation, the profile steel reaction frame is welded and fixed to the lateral vertical component, the upper end and the lower end of the jack respectively abut against the lower side of the profile steel reaction frame and the upper surface of the bearing steel plate, the bearing steel plate is attached to the foundation to be detected, and the displacement monitoring probe is arranged on the bearing steel plate and detects the moving displacement of the bearing steel plate.
2. The narrow groove shallow plate load test device of claim 1, wherein: the displacement monitoring probes are distributed at two ends of the bearing steel plate.
3. The narrow groove shallow plate load test device of claim 1, wherein: and a reinforcing sheet is arranged at the joint of the profile steel reaction frame and the profile steel reaction frame.
4. The narrow groove shallow plate load test device of claim 1, wherein: the lateral vertical component is a steel sheet pile support or a channel steel support.
5. The narrow groove shallow plate load test device of claim 1, wherein: the lateral vertical assembly is supported by channel steel, the narrow groove shallow slab load test device further comprises an upper side steel beam assembly, and the end part of the upper side steel beam assembly is welded and fixed to the channel steel support.
6. The narrow groove shallow plate load test device of claim 1, wherein: the extending direction of the jack is vertical to the surface of the bearing steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122068482.2U CN217267369U (en) | 2021-08-30 | 2021-08-30 | Narrow groove shallow layer flat plate load test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122068482.2U CN217267369U (en) | 2021-08-30 | 2021-08-30 | Narrow groove shallow layer flat plate load test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217267369U true CN217267369U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122068482.2U Active CN217267369U (en) | 2021-08-30 | 2021-08-30 | Narrow groove shallow layer flat plate load test device |
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| CN (1) | CN217267369U (en) |
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2021
- 2021-08-30 CN CN202122068482.2U patent/CN217267369U/en active Active
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