CN206057094U - The slow test loading system of beam slab after the completion of a kind of erection for high-altitude - Google Patents
The slow test loading system of beam slab after the completion of a kind of erection for high-altitude Download PDFInfo
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- CN206057094U CN206057094U CN201621090238.9U CN201621090238U CN206057094U CN 206057094 U CN206057094 U CN 206057094U CN 201621090238 U CN201621090238 U CN 201621090238U CN 206057094 U CN206057094 U CN 206057094U
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- loading system
- beam slab
- completion
- floor stringer
- altitude
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Abstract
This utility model belongs to technical field of bridge engineering, it particularly relates to it is a kind of for high-altitude set up after the completion of beam slab slow test loading system.The loading system includes cross-brace, jack and floor stringer;Cross-brace has two, is not erected at the both sides of the lumps of wood of trial test beam slab span centre;Jack is stably located on the lumps of wood, which is provided with proving ring;Floor stringer is erected in two cross-braces, and its top both-side ends is each configured with suspension ring, and its underpart central authorities are provided with power distribution beam;Suspension ring are provided with the fixed track cable for passing perpendicularly through floor stringer, and the fixation track cable connects weight.High-altitude described in the utility model sets up beam slab slow test loading system and solves that traditional load mode is time-consuming, laborious, the unsafe problem of loading procedure compared with prior art, do not limited by high-altitude Site Detection condition simultaneously, drastically increased work efficiency.
Description
Technical field
This utility model belongs to technical field of bridge engineering, it particularly relates to a kind of erection for high-altitude completes the back rest
The slow test loading system of plate.
Background technology
Due to the impact of the factors such as construction technology and duration, simple structure, easily Mid and minor spans armored concrete of constructing
Or Prestressed Concrete Bridges are still occupied an leading position in highway in China bridge construction, version is based on many beam types of multispan.
In process of construction, be the quality for determining single-beam construction, typically slow test will be carried out to prefabricated single-beam.Single-beam static(al) is tried
Test is in single-beam specified location, the static displacement of detection single-spar construction, static(al) strain, crack, sedimentation by static load action
Deng the pilot project of static parameter, then according to related specifications and the index of code, judge bridge structure bearing capacity and
Service behaviour under load action.Recessive disease (the prestressed stretch-draw that cannot be obtained in often routinely being detected
Power is not enough, modulus of elasticity of concrete is low etc.), it is the important means control effectively by structure in-situ precast quality.
Static loading is carried out to beam slab at prefabricated scene, generally weight (entire bundle is lifted by hoisting facilities such as straddle truck, cranes
Reinforcing bar, steel strand wires, sandbag, small-sized cover plate etc.) implement loading.But it is to finding in the long term investigation of job site, ineffective due to supervising and guiding,
The reasons such as sloppy management, beam slab high-altitude are set up after finishing, and are just found there is hidden danger of quality, must be carried out static loading to which.At this
In the case of kind, static loading is implemented by hoisting facilities and lifting weight and cannot be realized, or realize that difficulty is larger, in loading procedure
Middle beam body is easily toppled, and there is very big personal security hidden danger.
The content of the invention
To solve above-mentioned technical problem, this utility model provides a kind of static(al) examination of beam slab after the completion of setting up for high-altitude
Test loading system.
The slow test loading system of beam slab, the loading after the completion of a kind of erection for high-altitude described in the utility model
System includes cross-brace 2, jack 3 and floor stringer 5;Cross-brace 2 has two, is erected at 1 span centre of trial test beam slab respectively
The lumps of wood 10 both sides;Jack 3 is stably located on the lumps of wood 10, which is provided with proving ring 4;Floor stringer 5 is erected at two laterally
Support on 2, its top both-side ends is each configured with suspension ring 8, and its underpart central authorities are provided with power distribution beam 9;Suspension ring 8 are provided with vertically to be worn
The fixed track cable 6 of floor stringer 5 is crossed, the fixation track cable 6 connects weight 7.
After the completion of a kind of erection for high-altitude described in the utility model, the slow test loading system of beam slab, described horizontal
2 are supported in vertical direction flexible, which is higher by 4 height 2~3cm of sum of jack 3 and proving ring, for supporting floor stringer 5.
After the completion of a kind of erection for high-altitude described in the utility model, the slow test loading system of beam slab, described very heavy
Top 3 adopts hydraulic type, rated load weight be more than 1.2 times of maximum top lift.Maximum top lift according to the across footpath of single-beam, cut
The multifactor determination such as face form and loading efficiency, should be demarcated using before.The proving ring 4 should be true according to maximum top lift
It is fixed, 10% to the maximum range that scope is maximum range is effectively measured, should be demarcated using before.
The slow test loading system of beam slab, the auxiliary after the completion of a kind of erection for high-altitude described in the utility model
Beam 5 is welded by Q345 shaped steel, and which adopts welding by both sides with suspension ring 8, and weld length is 10 times of bar diameters.
The slow test loading system of beam slab, the load-bearing after the completion of a kind of erection for high-altitude described in the utility model
Rope 6 is made up of steel wire, to undertake balance weight.
The slow test loading system of beam slab, the suspension ring after the completion of a kind of erection for high-altitude described in the utility model
8 byFinish rolling deformed bar is made, for lifting by crane floor stringer 5 and fixed track cable 6.
The slow test loading system of beam slab, the power point after the completion of a kind of erection for high-altitude described in the utility model
It is made up of rectangular steel plates with beam 9, rectangular steel plates are made using Q345 steel plates, steel plate thickness is more than or equal to 5.0mm, for jacking
Power is entered to evenly distribute, and prevents 5 local compression of floor stringer from causing bending.
During operation, jack is stable on the lumps of wood of beam slab span centre loading position, while laying proving ring, supporting is horizontal
Support and adjust its height and be slightly higher than proving ring about 2~3cm;Set up floor stringer, it is desirable to distribution beam center and proving ring
Center overlaps, it is to avoid produce wobbler action power;Track cable is passed through from suspension ring, lower end increases counterweight according to design load,
Now slow test loading system combination is finished.
High-altitude described in the utility model sets up beam slab slow test loading system and solves tradition compared with prior art
Load mode is time-consuming, laborious, the unsafe problem of loading procedure, while do not limited by high-altitude Site Detection condition, greatly
Improve work efficiency.
Description of the drawings
Fig. 1:This utility model schematic diagram;Fig. 2:Floor stringer top view;Fig. 3:Floor stringer cross-sectional view;Fig. 4:Suspension ring full-page proof
Figure;Trial test beam slab -1, cross-brace -2, jack -3, proving ring -4, floor stringer -5, track cable -6, counterweight -7, suspension ring -8,
Distribution beam -9, the lumps of wood -10.
Specific embodiment
With reference to static(al) examination of the specific embodiment to beam slab after the completion of the erection for high-altitude described in the utility model
Test loading system to be described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
The slow test loading system of beam slab after the completion of a kind of erection for high-altitude, the loading system include cross-brace
2nd, jack 3 and floor stringer 5;Cross-brace 2 has two, is erected at the both sides of the lumps of wood 10 of 1 span centre of trial test beam slab respectively;Thousand
Jin top 3 is stably located on the lumps of wood 10, which is provided with proving ring 4;Floor stringer 5 is erected in two cross-braces 2, its top both sides
End is each configured with suspension ring 8, and its underpart central authorities are provided with power distribution beam 9;Suspension ring 8 are provided with and pass perpendicularly through the fixation of floor stringer 5 and hold
Weight rope 6, the fixation track cable 6 connect weight 7.In vertical direction flexible, which is higher by jack 3 and surveys the cross-brace 2
4 height sum 2cm of power ring, for supporting floor stringer 5.The jack 3 adopts hydraulic type, and rated load weight need to be more than maximum
1.2 times of top lift.Maximum top lift according to multifactor determinations such as the across footpath of single-beam, section form and loading efficiencies, using front
Should be demarcated.The proving ring 4 should be determined according to maximum top lift, effectively measure 10% to the maximum that scope is maximum range
Range, should be demarcated using before.The floor stringer 5 is welded by Q345 shaped steel, and which adopts welding by both sides with suspension ring 8, welding
Length is 10 times of bar diameters.The track cable 6 is made up of steel wire, to undertake balance weight.The suspension ring 8 byFinish rolling
Spiral is made, for lifting by crane floor stringer 5 and fixed track cable 6.The power distribution beam 9 is made up of rectangular steel plates, rectangle steel
Plate is made using Q345 steel plates, steel plate thickness 5.0mm, for entering to evenly distribute to top lift, prevents 5 local compression of floor stringer from leading
Cause bending.
Embodiment 2
The slow test loading system of beam slab after the completion of a kind of erection for high-altitude, the loading system include cross-brace
2nd, jack 3 and floor stringer 5;Cross-brace 2 has two, is erected at the both sides of the lumps of wood 10 of 1 span centre of trial test beam slab respectively;Thousand
Jin top 3 is stably located on the lumps of wood 10, which is provided with proving ring 4;Floor stringer 5 is erected in two cross-braces 2, its top both sides
End is each configured with suspension ring 8, and its underpart central authorities are provided with power distribution beam 9;Suspension ring 8 are provided with and pass perpendicularly through the fixation of floor stringer 5 and hold
Weight rope 6, the fixation track cable 6 connect weight 7.In vertical direction flexible, which is higher by jack 3 and surveys the cross-brace 2
4 height sum 3cm of power ring, for supporting floor stringer 5.The jack 3 adopts hydraulic type, and rated load weight need to be more than maximum
1.2 times of top lift.Maximum top lift according to multifactor determinations such as the across footpath of single-beam, section form and loading efficiencies, using front
Should be demarcated.The proving ring 4 should be determined according to maximum top lift, effectively measure 10% to the maximum that scope is maximum range
Range, should be demarcated using before.The floor stringer 5 is welded by Q345 shaped steel, and which adopts welding by both sides with suspension ring 8, welding
Length is 10 times of bar diameters.The track cable 6 is made up of steel wire, to undertake balance weight.The suspension ring 8 byFinish rolling
Spiral is made, for lifting by crane floor stringer 5 and fixed track cable 6.The power distribution beam 9 is made up of rectangular steel plates, rectangle steel
Plate is made using Q345 steel plates, steel plate thickness 5.5mm, for entering to evenly distribute to top lift, prevents 5 local compression of floor stringer from leading
Cause bending.
During operation, jack is stable on the lumps of wood of beam slab span centre loading position, while laying proving ring, supporting is horizontal
Support and adjust its height and be slightly higher than proving ring about 2~3cm;Set up floor stringer, it is desirable to distribution beam center and proving ring
Center overlaps, it is to avoid produce wobbler action power;Track cable is passed through from suspension ring, lower end increases counterweight according to design load,
Now slow test loading system combination is finished.
High-altitude described in the utility model sets up beam slab slow test loading system and solves tradition compared with prior art
Load mode is time-consuming, laborious, the unsafe problem of loading procedure, while do not limited by high-altitude Site Detection condition, greatly
Improve work efficiency.
Claims (7)
1. it is a kind of for high-altitude set up after the completion of beam slab slow test loading system, it is characterised in that the loading system bag
Include cross-brace (2), jack (3) and floor stringer (5);Cross-brace (2) has two, is erected at trial test beam slab (1) respectively
The both sides of the lumps of wood (10) of span centre;Jack (3) is stably located on the lumps of wood (10), which is provided with proving ring (4);Floor stringer (5)
It is erected on two cross-braces (2), its top both-side ends is each configured with suspension ring (8), its underpart central authorities are provided with power distribution
Beam (9);Suspension ring (8) are provided with the fixed track cable (6) for passing perpendicularly through floor stringer (5), the fixation track cable (6) connection weight (7).
2. it is according to claim 1 it is a kind of for high-altitude set up after the completion of beam slab slow test loading system, its feature
Be, the cross-brace (2) in vertical direction flexible, its be higher by jack (3) and proving ring (4) height sum 2~
3cm, for supporting floor stringer (5).
3. it is according to claim 1 it is a kind of for high-altitude set up after the completion of beam slab slow test loading system, its feature
It is that the jack (3) adopts hydraulic type, rated load weight be more than 1.2 times of maximum top lift.
4. it is according to claim 1 it is a kind of for high-altitude set up after the completion of beam slab slow test loading system, its feature
It is that the floor stringer (5) is welded by Q345 shaped steel, which adopts welding by both sides with suspension ring (8), weld length is 10 times of reinforcing bars
Diameter.
5. it is according to claim 1 it is a kind of for high-altitude set up after the completion of beam slab slow test loading system, its feature
It is that the track cable (6) is made up of steel wire, to undertake balance weight.
6. it is according to claim 1 it is a kind of for high-altitude set up after the completion of beam slab slow test loading system, its feature
Be, the suspension ring (8) byFinish rolling deformed bar is made, for lifting by crane floor stringer (5) and fixed track cable (6).
7. it is according to claim 1 it is a kind of for high-altitude set up after the completion of beam slab slow test loading system, its feature
It is that the power distribution beam (9) is made up of rectangular steel plates, and rectangular steel plates are made using Q345 steel plates, and steel plate thickness is more than or equal to
5.0mm, for entering to evenly distribute to top lift, prevents floor stringer (5) local compression from causing bending.
Priority Applications (1)
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CN201621090238.9U CN206057094U (en) | 2016-09-29 | 2016-09-29 | The slow test loading system of beam slab after the completion of a kind of erection for high-altitude |
Applications Claiming Priority (1)
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CN201621090238.9U CN206057094U (en) | 2016-09-29 | 2016-09-29 | The slow test loading system of beam slab after the completion of a kind of erection for high-altitude |
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CN201621090238.9U Expired - Fee Related CN206057094U (en) | 2016-09-29 | 2016-09-29 | The slow test loading system of beam slab after the completion of a kind of erection for high-altitude |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110230263A (en) * | 2019-06-03 | 2019-09-13 | 中铁大桥局集团有限公司 | A kind of device of auxiliary plug pin shaft |
CN112556951A (en) * | 2020-11-27 | 2021-03-26 | 苏交科集团检测认证有限公司 | Test device and test method for rapid load test of prefabricated T-shaped beam |
-
2016
- 2016-09-29 CN CN201621090238.9U patent/CN206057094U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110230263A (en) * | 2019-06-03 | 2019-09-13 | 中铁大桥局集团有限公司 | A kind of device of auxiliary plug pin shaft |
CN112556951A (en) * | 2020-11-27 | 2021-03-26 | 苏交科集团检测认证有限公司 | Test device and test method for rapid load test of prefabricated T-shaped beam |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180929 |
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CF01 | Termination of patent right due to non-payment of annual fee |