CN217359322U - Reinforced concrete T type simply supported beam prevents overturning loading support test device - Google Patents
Reinforced concrete T type simply supported beam prevents overturning loading support test device Download PDFInfo
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- CN217359322U CN217359322U CN202221260388.5U CN202221260388U CN217359322U CN 217359322 U CN217359322 U CN 217359322U CN 202221260388 U CN202221260388 U CN 202221260388U CN 217359322 U CN217359322 U CN 217359322U
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- steel plate
- buttress
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- reinforced concrete
- sliding hinged
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 116
- 239000010959 steel Substances 0.000 claims abstract description 116
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 210000003205 muscle Anatomy 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 16
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 238000011160 research Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003631 expected effect Effects 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses a reinforced concrete T-shaped simply supported beam anti-overturning loading support test device, which comprises a bottom plate, a buttress, a fixed support, a sliding hinged support and a beam body, wherein a bracket is arranged at the outer sides of the beam body, the sliding hinged support and the buttress, and the bracket is fixed on the bottom plate; the sliding hinged support comprises a sliding hinged support steel plate, a sliding hinged support steel plate groove arranged on the sliding hinged support steel plate and an iron rod arranged inside the sliding hinged support steel plate groove, and the iron rod is in contact with the bottom of the beam body; the fixing support comprises exposed steel plates and exposed steel plate bolt holes, and the exposed steel plate bolt holes are formed in two ends of each exposed steel plate. The utility model adopts the above structure to solve the traditional loading support test device construction of prestressed reinforced concrete T type roof beam complicated, difficult dismantlement, the loading is easily toppled, and fixed insecure takes place the deviation easily, has the realistic problem of huge potential safety hazard, has simplified the construction flow, has reduced construction and assembly cost.
Description
Technical Field
The utility model belongs to the technical field of the experimental technique of bridge engineering building structure and specifically relates to a reinforced concrete T type simply supported beam prevents overturning loading bearing test device is related to.
Background
The T-shaped simply supported beam is reasonable in stress and attractive in appearance, is widely used in the construction of small and medium-sized-span roads, plays an important role in modern buildings, and occupies a great position in the construction of engineering structures. Therefore, in real life, it is important to prevent the T-shaped simply supported beam from overturning during loading so as to obtain accurate test data and smoothly complete the test.
At present, the supports adopted by structural laboratories of most colleges and universities, construction units or other research institutions in China for carrying out monotone static tests and fatigue tests of simply supported beam members are simple, corresponding adjustment cannot be made according to the size of a test piece, the supports do not have a lateral limiting function, particularly, large lateral displacement or displacement along the axis of a beam can be easily accumulated in the process of low-cycle reciprocating load or fatigue load, and even overturning occurs in the loading process, so that the test result is influenced, the test failure is even caused, and great potential danger is brought to testers. Therefore, on the basis of fully knowing and clearly recognizing that a test generates larger errors, how to reduce the lateral displacement or the bus displacement generated by the test beam in the loading process to the maximum extent has important significance and influence on creating a safe environment for testers and obtaining the expected effect of the mechanical property research content of the T-shaped beam member.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reinforced concrete T type simply supported beam prevents overturning loading support test device, it is complicated to have solved the construction of prestressed reinforcement concrete T type roof beam traditional loading support, and difficult dismantlement, the loading is easily toppled, and fixed insecure takes place the deviation easily, has the realistic problem of huge potential safety hazard, has simplified the construction flow, has reduced construction and assembly cost.
In order to achieve the purpose, the utility model provides a reinforced concrete T-shaped simply supported beam anti-overturning loading support test device, which comprises a bottom plate, a buttress arranged on the bottom plate, a fixed support arranged on the buttress, a sliding hinged support arranged on the buttress and a beam body arranged on the sliding hinged support, wherein the outer sides of the beam body, the sliding hinged support and the buttress are provided with a support, and the support is fixed on the bottom plate;
the sliding hinged support comprises a sliding hinged support steel plate, a sliding hinged support steel plate groove formed in the sliding hinged support steel plate and an iron rod arranged inside the sliding hinged support steel plate groove, and the iron rod is in contact with the bottom of the beam body;
the fixing support comprises exposed steel plates and exposed steel plate bolt holes, and the exposed steel plate bolt holes are formed in two ends of each exposed steel plate.
Preferably, the buttress includes the buttress steel sheet, sets up buttress upper portion stiffening rib and the setting of buttress steel sheet upper portion side are in the buttress steel sheet lower part stiffening rib of buttress steel sheet lower part side, the bottom mounting of buttress steel sheet lower part stiffening rib is in on the bottom plate.
Preferably, the support comprises a side steel plate fixed on the bottom plate and a top steel plate arranged at the top end of the side steel plate, the top steel plate is connected with the top end of the side steel plate through a top steel plate bolt, and the bottom surface of the top steel plate is connected with the top surface of the beam body.
Preferably, the lateral side of the lateral steel plate is obliquely provided with a reinforcing rib, and the bottom end of the reinforcing rib is fixed on the bottom plate.
Preferably, the two side steel plates are connected through beam end bolt rods, and the beam end bolt rods are arranged to be a plurality of and are arranged at equal intervals.
Preferably, the periphery of the beam body is provided with surrounding steel plates, the surrounding steel plates are connected with the side steel plates through three studs, and the three studs are respectively positioned at the upper part, the middle part and the lower part of the beam body.
Preferably, the roof beam body sets up to the T type roof beam that has the horseshoe-shaped structure, just the roof beam body comprises bottom steel sheet, skeleton muscle, indulges muscle and stirrup, the stirrup is around indulge the muscle with on the skeleton muscle, the skeleton muscle with it all fixes to indulge the muscle on the bottom steel sheet.
Therefore, the utility model adopts the above structure a reinforced concrete T type simply supported beam prevents overturning load bearing test device possesses following beneficial effect:
(1) by using the overturn-preventing loading test device, the overturn situation during loading is avoided, the test quality is ensured, and the safety of test personnel is ensured;
(2) the test device uses the equipped buttress, after the device and the T-shaped beam are installed, a proper space is reserved by adjusting the height of the beam bottom from the ground so as to facilitate colleges and universities or research institutions to measure deflection, strain, slippage and the like of a measuring point;
(3) the test device is fixed by bolts except for welding the contact positions of the steel plates at two sides and the bottom plate, the steel plates at two sides and the reinforcing rib steel plate and the steel plates of the buttress, so that the disassembly and assembly are convenient when a plurality of test beams are loaded, the test error is reduced, and the smooth implementation of the test is ensured;
(4) because the cross-sectional dimensions of the T-shaped beam members used in colleges and universities and research institutions are different, the dimension of the support device needs to be adjusted to meet the test requirements, and the length and the welding position of the bolt can be adjusted to adapt to the size of the test piece.
(5) The problem of prestressed reinforced concrete T type roof beam tradition loading support construction complicacy, difficult dismantlement, the loading easily topples, fixed insecure easy emergence deviation, have huge potential safety hazard is solved, the construction flow has been simplified, construction and assembly cost have been reduced.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an anti-overturning loading support test device for a reinforced concrete T-shaped simply supported beam of the present invention;
FIG. 2 is a side view of an embodiment of the anti-overturning loading bearing test device for a reinforced concrete T-shaped simply supported beam of the present invention;
FIG. 3 is a front view of a fixed support (buttress + support) of an embodiment of the reinforced concrete T-shaped simply supported beam overturn-preventing loading support test device of the present invention;
FIG. 4 is a front view of a support structure with sliding hinges according to an embodiment of the anti-overturning loading support test device for a T-shaped simply supported reinforced concrete beam of the present invention;
FIG. 5 is a side view of a fixed support (buttress + support) of an embodiment of the reinforced concrete T-shaped simply supported beam overturn-preventing loading support testing device of the present invention;
FIG. 6 is a side view of the anti-overturning loading bearing test device with sliding hinged bearing for the reinforced concrete T-shaped simply supported beam of the present invention;
FIG. 7 is a schematic structural view of a sliding hinged support of an embodiment of the reinforced concrete T-shaped simply supported beam overturn-preventing loading support test device of the present invention;
FIG. 8 is a schematic diagram of a beam structure of an embodiment of the anti-overturning loading bearing test device for a T-shaped simply supported reinforced concrete beam of the present invention;
FIG. 9 is a cross-sectional view of an end of a beam body fixed support of an embodiment of the reinforced concrete T-shaped simply supported beam overturn prevention loading support testing device of the present invention;
FIG. 10 is a cross-sectional view of an end of a sliding hinged support of a beam body of an embodiment of the anti-overturning loading support test device for a T-shaped simple reinforced concrete beam of the present invention;
FIG. 11 is a cross-sectional view of a beam body of an embodiment of the anti-overturning loading bearing test device for a T-shaped simply supported reinforced concrete beam of the present invention;
fig. 12 is the utility model relates to a reinforced concrete T type simply supported roof beam prevents toppling load bearing test device embodiment's the bottom steel sheet of the roof beam body pour the arrangement sketch map of the reinforcing bar in the concrete.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In particular, the invention is only to select the concrete T-shaped simple supported beam with the bearing and the horseshoe shape, but is in no way limited to the prestressed reinforced concrete T-shaped simple supported beam with the bearing and the horseshoe shape, i.e. the prestressed reinforced concrete T-shaped simple supported beam without the bearing and the horseshoe shape or with the bearing and the horseshoe shape, even without the bearing and the horseshoe shape, is still applicable.
Examples
The utility model provides a reinforced concrete T type simply supported beam prevents overturning load bearing test device, including bottom plate 1, set up buttress 2 on bottom plate 1, set up fixing support 3 on buttress 2, set up the slip hinged-support 4 on buttress 2 and set up the roof beam body 5 on slip hinged-support 4, the outside of roof beam body 5, slip hinged-support 4 and buttress 2 is provided with support 6, and support 6 fixes on bottom plate 1. The sliding hinged support 4 comprises a sliding hinged support steel plate 41, a sliding hinged support steel plate groove 42 formed in the sliding hinged support steel plate 41 and an iron rod 43 arranged inside the sliding hinged support steel plate groove 42, the iron rod is placed in the sliding hinged support steel plate groove, the design structure of the sliding hinged support in the prestressed reinforced concrete T-shaped simply supported beam test is simplified, the practicability and the applicability are further improved, and the use and application range is widened. The iron rod 43 is in contact with the bottom of the beam body 5. The fixing bracket 3 includes exposed steel plates 31 and exposed steel plate bolt holes 32, and the exposed steel plate bolt holes 32 are provided at both ends of the exposed steel plates 31. The pier with a certain height is arranged instead of directly fixing the fixed support on the iron rod, and the reserved space is used for measuring the deflection, the slippage, the strain and the like of a measuring point of the T-shaped beam (beam body).
The buttress 2 comprises a buttress steel plate 21, a buttress upper stiffening rib 22 arranged on the side surface of the upper part of the buttress steel plate 21 and a buttress steel plate lower stiffening rib 23 arranged on the side surface of the lower part of the buttress steel plate 21, and the bottom end of the buttress steel plate lower stiffening rib 23 is fixed on the bottom plate 1.
The bracket 6 comprises a side steel plate 61 fixed on the bottom plate 1 and a top steel plate 62 arranged at the top end of the side steel plate 61, the top steel plate 62 is connected with the top end of the side steel plate 61 through a top steel plate bolt 63, and the bottom surface of the top steel plate 62 is connected with the top surface of the beam body 5. The side steel plate 61 is provided with a reinforcing rib 64 at the side thereof, and the bottom end of the reinforcing rib 64 is fixed to the bottom plate 1. Two lateral part steel sheets 61 are connected through beam-ends bolt bar 65, and beam-ends bolt bar 65 sets up to a plurality of, and even equidistance setting.
The periphery of the beam body 5 is provided with surrounding steel plates 7, the surrounding steel plates 7 are connected with the side steel plates 61 through studs 8, and the number of the studs 8 is three and the studs are respectively positioned at the upper part, the middle part and the lower part of the beam body 5. The beam body 5 is a T-shaped beam with a horseshoe-shaped structure, the beam body 5 is composed of a bottom steel plate 54, a framework rib 51, a longitudinal rib 52 and a stirrup 53, the stirrup 53 surrounds the longitudinal rib 52 and the framework rib 51, the framework rib 51 and the longitudinal rib 52 are fixed on the bottom steel plate 54, and a steel bar 55 is arranged on the bottom steel plate 54 and used for fixing the bottom steel plate 54 exposed in the air. The end of the beam is fixed by a beam-end anchor 56, which includes clips, anchor pads, spiral ribs, and the like. The beam body is provided with a corrugated pipe 57, and the corrugated pipe 57 is internally provided with prestressed reinforcements 58.
The bolt with adjustable width is used for solving the problems that the support adopted by structural laboratories of most colleges and universities, construction units or other research institutions in China at present can not be correspondingly adjusted according to the size of a test piece when carrying out monotonous static tests and fatigue tests of beam members, does not have a lateral limiting function, and is easy to accumulate to generate larger lateral displacement or displacement along the axis of a beam particularly in the process of low-cycle reciprocating load or fatigue load. The bottom of the encircling steel plate bolt is provided with a steel bar cushion block, so that the contact area of the bolt and the encircling steel plate is increased, and the stability is improved. The support has solved the problem that takes place to overturn in the loading process well to influence the test result, lead to experimental failure. On the basis of fully understanding and clearly recognizing larger errors generated in the test, the designed support reduces the lateral displacement or bus displacement generated in the loading process of the test beam to the maximum extent, creates a safe environment for testers, and has important significance and influence on obtaining the expected effect of the mechanical property research content of the T-shaped beam component.
The mounting process comprises the following steps:
(1) fixing the bottom plate on the floor of the laboratory through an earth anchor;
(2) welding a buttress steel plate on a bottom plate according to a drawing, welding stiffening ribs at the lower part of the buttress steel plate, gradually welding the steel plate upwards, and welding stiffening ribs at the upper part of the buttress steel plate;
(3) welding the side steel plate to the bottom plate, and welding the side steel plate to the bottom plate and the side steel plate by using reinforcing ribs;
(4) fixing the sliding hinged supports and the fixed supports at the two ends of the beam body on the buttress through bolts;
(5) placing the beam body of the simply supported beam on the sliding hinged supports at two ends;
(6) mounting surrounding steel plates on a beam body of the prestressed reinforced concrete T-shaped simply supported beam, and connecting the surrounding steel plates with side steel plates through studs of the surrounding steel plates;
(7) and placing the top steel plate on the beam body and the side steel plates, and connecting the top steel plate and the side steel plates through the top steel plate bolts.
Therefore, the utility model adopts the above structure a reinforced concrete T type simple beam prevents overturning load bearing test device, it is complicated to have solved the construction of prestressed reinforcement concrete T type roof beam tradition load bearing, and difficult dismantlement, the loading easily topples, and fixed insecure deviation that takes place easily has the realistic problem of huge potential safety hazard, has simplified the construction procedure, has reduced construction and assembly cost.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a reinforced concrete T type simply supported beam prevents overturning loading support test device which characterized in that:
the movable beam comprises a bottom plate, a buttress arranged on the bottom plate, a fixed support arranged on the buttress, a sliding hinged support arranged on the buttress and a beam body arranged on the sliding hinged support, wherein supports are arranged on the outer sides of the beam body, the sliding hinged support and the buttress and are fixed on the bottom plate;
the sliding hinged support comprises a sliding hinged support steel plate, a sliding hinged support steel plate groove formed in the sliding hinged support steel plate and an iron rod arranged inside the sliding hinged support steel plate groove, and the iron rod is in contact with the bottom of the beam body;
the fixing support comprises exposed steel plates and exposed steel plate bolt holes, and the exposed steel plate bolt holes are formed in two ends of each exposed steel plate.
2. The reinforced concrete T-shaped simply supported beam overturning-prevention loading support test device according to claim 1, which is characterized in that: the buttress comprises buttress steel plates, buttress upper stiffening ribs and buttress steel plate lower stiffening ribs, wherein the buttress upper stiffening ribs are arranged on the side surfaces of the upper parts of the buttress steel plates, the bottom ends of the buttress steel plate lower stiffening ribs are fixed on the bottom plate.
3. The reinforced concrete T-shaped simply supported beam overturning-prevention loading support test device according to claim 2, characterized in that: the support is including fixing lateral part steel sheet on the bottom plate and setting up the top steel sheet on lateral part steel sheet top, the top steel sheet with the top of lateral part steel sheet is passed through top steel sheet bolted connection, the bottom surface of top steel sheet with the top surface of roof beam body is connected.
4. The reinforced concrete T-shaped simply supported beam overturning-prevention loading support test device according to claim 3, which is characterized in that: and reinforcing ribs are obliquely arranged on the side surfaces of the side steel plates, and the bottom ends of the reinforcing ribs are fixed on the bottom plate.
5. The reinforced concrete T-shaped simply supported beam overturning-prevention loading support test device according to claim 4, characterized in that: two connect through beam-ends shank of bolt between the lateral part steel sheet, the beam-ends shank of bolt sets up to a plurality of, and even equidistance setting.
6. The reinforced concrete T-shaped simply supported beam overturning-prevention loading support test device according to claim 5, characterized in that: and the periphery of the beam body is provided with surrounding steel plates, the surrounding steel plates are connected with the side steel plates through three studs, and the three studs are respectively positioned at the upper part, the middle part and the lower part of the beam body.
7. The reinforced concrete T-shaped simply supported beam overturning-prevention loading support test device according to claim 6, characterized in that: the roof beam body sets up to the T type roof beam that has the horseshoe-shaped structure, just the roof beam body comprises bottom steel sheet, skeleton muscle, indulges muscle and stirrup, the stirrup centers on indulge the muscle with on the skeleton muscle, the skeleton muscle with it all fixes to indulge the muscle on the bottom steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221260388.5U CN217359322U (en) | 2022-05-24 | 2022-05-24 | Reinforced concrete T type simply supported beam prevents overturning loading support test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221260388.5U CN217359322U (en) | 2022-05-24 | 2022-05-24 | Reinforced concrete T type simply supported beam prevents overturning loading support test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217359322U true CN217359322U (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221260388.5U Expired - Fee Related CN217359322U (en) | 2022-05-24 | 2022-05-24 | Reinforced concrete T type simply supported beam prevents overturning loading support test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217359322U (en) |
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2022
- 2022-05-24 CN CN202221260388.5U patent/CN217359322U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20220902 |