CN207439824U - A kind of concrete anti-collision guard bar load test frame and experimental rig - Google Patents
A kind of concrete anti-collision guard bar load test frame and experimental rig Download PDFInfo
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- CN207439824U CN207439824U CN201721690938.6U CN201721690938U CN207439824U CN 207439824 U CN207439824 U CN 207439824U CN 201721690938 U CN201721690938 U CN 201721690938U CN 207439824 U CN207439824 U CN 207439824U
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- steel plate
- guard bar
- concrete anti
- anticollision barrier
- collision guard
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Abstract
The utility model is related to concrete component performance testing devices, disclose a kind of concrete anti-collision guard bar load test frame, experimental rig and load test method.A kind of concrete anti-collision guard bar load testing machine, including test stand, the test stand includes pedestal and the side being fixed on pedestal seat, the side seat is equipped with to fix the installation position of anticollision barrier bottom, it meets the face of hitting in horizontally disposed after anticollision barrier is fixed on installation position, and for the jack being further applied load at the top of anticollision barrier, the top of the elevating lever of the jack is equipped with load transducer and cushion block successively, when anticollision barrier is fixed on test stand, the corresponding face of hitting of meeting in top for hitting guardrail is contacted with cushion block.The application provides a kind of load testing machine and load test method for concrete anti-collision guard bar, the vacancy of concrete anti-collision guard bar detection field is filled up, mechanical analysis when simulation concrete anticollision barrier is hit can effectively be detected the mechanical property of concrete anti-collision guard bar.
Description
Technical field
The utility model is related to concrete component performance testing device more particularly to a kind of loading examinations of concrete anti-collision guard bar
Test frame and experimental rig.
Background technology
Concrete anti-collision guard bar is mainly used in protection field, is such as widely applied in traffic route, not only can be to prevent
Only errant vehicle causes casualties or secondary traffic accident, alleviates accident vehicle and the degree of injury of personnel, can also give
Driver and conductor has certain sense of security at heart.
Concrete anti-collision guard bar prevents vehicle from entering to track or running off road by absorbing the collision energy of vehicle.
Therefore, it is quite important to the detection of the mechanical property of concrete anti-collision guard bar.There are no for concrete in currently available technology
The inspection equipment of anticollision barrier, causes concrete anti-collision guard bar that can not realize detection.
Utility model content
In view of this, the purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of suitable for concrete
Anticollision barrier load test frame.In addition, also provide a kind of concrete anti-collision guard bar load testing machine and load test method.
In order to solve the above-mentioned technical problem, the utility model is realized using following scheme：
A kind of concrete anti-collision guard bar load test frame, the test stand include pedestal and the side being fixed on pedestal
Seat, the side seat are equipped with to fix the installation position of anticollision barrier bottom, it meets the face of hitting after anticollision barrier is fixed on installation position
In horizontally disposed.By as above test stand, loading equipemtn can be placed between the face of hitting and pedestal in meeting for anticollision barrier（It is such as very heavy
Top）, it is further applied load to the face of hitting of meeting of anticollision barrier, facilitates detection.
The pedestal includes base plane steel plate, and polylith I-steel is fixed with below the base plane steel plate.Side seat
It is fixed on plane steel plate, I-steel can realize firm effect to improve the height of pedestal, the usage amount of saving steel.
The side seat includes the support base being fixed on base plane steel plate and the mounting base being fixed on support base, peace
Dress seat is detachably connected with support base, and installation position is arranged in mounting base.Due to will anticollision barrier meet the face of hitting and pedestal it
Between loading equipemtn is set, therefore, installation position is needed apart from the certain height of pedestal, therefore size just now is larger, mixed placing
In the case of solidifying soil anticollision barrier, the rigidity of entire side seat is kept, the rolled steel dosage used is more（Thickness is larger）.In order to keep away
Exempt to waste steel, the application is designed by the split of support base and mounting base, reduces the size of steel, can realize side seat
The firm waste that can also reduce steel.Further, since mounting base is easily ground in the case where repeatedly placing anticollision barrier
Damage, by way of being detachably connected, in order to replace.
The support base includes at least two blocks of vertical steel plates of the support base being arranged in parallel being arranged on base plane steel plate
And the support base plane steel plate on the vertical steel plate of support base is arranged on, the one side of the vertical steel plate of support base is equipped with polylith rib
Plate；The mounting base includes the mounting base plane steel plate being detachably connected with support base plane steel plate, right angle setting seat flat steel
Plate is equipped with polylith separately and the vertical steel plate of mounting base that is mutually parallel, and installation position is formed on the vertical steel plate of mounting base.It is logical
Yi Shang structure is crossed, in the case of saving steel, realizes the firm of entire test stand.
Form notch on the vertical steel plate of mounting base, the notch be equipped with connect each vertical steel plate of mounting base and according to
Secondary the first plane steel plate to connect, the second plane steel plate and the 3rd plane steel plate, first plane steel plate is obliquely installed and energy
Connect with the bottom surface of anticollision barrier, the 3rd plane steel plate is horizontally disposed with and can connect with the face of hitting of meeting of anticollision barrier, described
Second plane steel plate is tilted or is horizontally disposed with；The top of first plane steel plate is equipped with limit base, the limit base, first flat
It is formed to fix the installation position of anticollision barrier bottom between face steel plate, the second plane steel plate and the 3rd plane steel plate.
The limit base includes the first /V steel plate and the second /V steel plate, the first /V steel plate and the second /V steel
Plate connects fixed l-shaped, between the two equipped with polylith triangular steel plate；The first /V steel plate and the first plane steel plate are removable
Connection is unloaded, the second /V steel plate is parallel with the second plane steel plate.Limit base can by the first /V steel plate and the first plane steel plate
Concrete anti-collision guard bar when carrying out experiment loading, is lifted into installation position, /V is locked by threaded fastener by dismantling connection
Seat, this structure facilitate the installation of anticollision barrier.
The surface of the installation position is equipped with the cushion pad that can be contacted with anticollision barrier.
It is described to be detachably connected as connecting using threaded fastener.Threaded fastener includes but not limited to screw, screw, spiral shell
Bolt etc..
A kind of concrete anti-collision guard bar load testing machine, including concrete anti-collision guard bar load test described above
Frame and the jack for being further applied load to anticollision barrier top, the top of the elevating lever of the jack are equipped with lotus successively
Set sensor and cushion block, when anticollision barrier is fixed on test stand, the corresponding face of hitting of meeting in top for hitting guardrail is contacted with cushion block.
Sensor can obtain the numerical value of the load of application, convenient for the acquisition of technical staff.
A kind of concrete anti-collision guard bar load test method, based on above-mentioned concrete anti-collision guard bar load testing machine, bag
Include following steps：
S1：The bottom of concrete anti-collision guard bar is fixed on installation position；
S2：Jack, load transducer and cushion block are installed, cushion block center is kept to be located at apart from concrete anti-collision guard bar top
It holds at 50mm；Be arranged at 50mm, this position is mainly in view of to be at general vehicle collision high degree in contact point or face be core by
Force, stress when the accurate simulation concrete anticollision barrier of energy is hit；
S3：Start to load using jack, carry out multistage loadings according to the 20% of design standard numerical value, loading stops per rank
Stay time 1min；It is loaded into after the 80% of design standard numerical value and carries out multistage loadings according to the 10% of design standard numerical value, per rank
Load residence time 1min；Residence time 3min when being loaded into the 100% of design standard numerical value；Continue according to design standard numerical value
20% carry out multistage loadings until design standard numerical value 200%, per rank load residence time 1min；If concrete anticollision is protected
The crack width on column is no more than 1.5mm, and reinforcing bar is not broken, then is qualification, otherwise unqualified；Hierarchical loading ensures component
It in loading checkout procedure security, prevents structure from template structure breakoff phenomenon occur, causes experiment dangerous, in addition hierarchical loading can
Structural bearing variation and crashworthiness when being collided with drawing under different loads, since loading represents collision numerical process,
It therefore being capable of accurate decision structure crashworthiness；
S4：After load test, jack is unloaded.
Compared with prior art, the utility model has the advantages that：The application is carried for concrete anti-collision guard bar
A kind of load testing machine and load test method have been supplied, has filled up the vacancy of concrete anti-collision guard bar detection field, simulation is mixed
Mechanical analysis when solidifying soil anticollision barrier is hit, can effectively be detected the mechanical property of concrete anti-collision guard bar.
Description of the drawings
Fig. 1 is test stand structure diagram；
Fig. 2 is Fig. 1 front views；
Fig. 3 is experimental rig structure diagram；
Fig. 4 is pedestal and clamping support schematic diagram；
Fig. 5 is mounting base structure diagram；
Fig. 6 is /V holder structure schematic diagram.
Specific embodiment
In order to which those skilled in the art is allowed to more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings to this
Utility model is further elaborated.
Embodiment
As shown in Figure 1, a kind of concrete anti-collision guard bar load testing machine, including test stand, the test stand includes bottom
Seat 100 and the side seat being fixed on pedestal 100, the pedestal 100 as shown in Figure 4 include base plane steel plate 110, the bottom
The lower section of seat plane steel plate 110 is fixed with polylith I-steel 120.The side seat includes being fixed on base plane steel plate 110
Support base 210 and the mounting base 220 being fixed on support base 210, mounting base 220 is detachably connected with support base 210, described
Mounting base 220 is equipped with the installation position 240 for 300 bottom of fixing concrete anticollision barrier.
As shown in figure 4, the support base 210 includes two pieces of branch being arranged in parallel being arranged on base plane steel plate 110
The vertical steel plate 211 of support seat and the support base plane steel plate 213 being arranged on the vertical steel plate 211 of support base, the support base erect
Polylith floor 212 is equipped with to the one side of steel plate 211；
As shown in figure 5, the mounting base 220 includes the mounting base plane being detachably connected with support base plane steel plate 213
Steel plate 221（Support base plane steel plate 213 is equipped with screw hole 214, and mounting base plane steel plate 221 is equipped with screw hole 223, and the two is led to
Bolt is crossed to be detachably connected）, right angle setting seat plane steel plate 221 is equipped with polylith separately and the mounting base vertical steel that is mutually parallel
Plate 222 forms installation position on the vertical steel plate 222 of mounting base.
As shown in Fig. 1,2,5 and 6, notch is formed on the vertical steel plate 222 of mounting base, it is each that the notch is equipped with connection
The vertical steel plate of mounting base and the first plane steel plate 241 for connecting successively, the second plane steel plate 242 and the 3rd plane steel plate 243,
First plane steel plate 241 is obliquely installed and can connect with the bottom surface of anticollision barrier 300,243 water of the 3rd plane steel plate
It is flat to set and connect with the face of hitting of meeting of anticollision barrier 300（Anticollision barrier, which is fixed on behind installation position it, meets the face of hitting and is set in level
It puts）, second plane steel plate 242 is obliquely installed；The top of first plane steel plate 241 is equipped with limit base 230, the limit
It is formed to fix anticollision between position seat 230, the first plane steel plate 241, the second plane steel plate 242 and the 3rd plane steel plate 243
The installation position 240 of guardrail bottom.
As shown in Fig. 1,2 and 6, the limit base 230 includes the first /V steel plate 231 and the second /V steel plate 232, described
First /V steel plate and the second /V steel plate connect fixed l-shaped, between the two equipped with polylith triangular steel plate 233；Described
One /V steel plate 231 is detachably connected with the first plane steel plate 241（First /V steel plate 231 is equipped with screw hole 234, and first is flat
Face steel plate 241 is equipped with screw hole 244, and the two is detachably connected by bolt）, the second /V steel plate 232 and the second plane steel plate
242 is parallel.
As shown in figure 3, the surface of the installation position is equipped with the cushion pad 500 that can be contacted with anticollision barrier.
As shown in figure 3, the experimental rig further includes the jack 410 for being further applied load to 300 top of anticollision barrier,
The top of the elevating lever of the jack 410 is equipped with load transducer 420 and cushion block 430 successively, when anticollision barrier 300 is fixed on
When on test stand, the corresponding face of hitting of meeting in top for hitting guardrail is contacted with cushion block.
A kind of concrete anti-collision guard bar load test method, includes the following steps：
S1：The bottom of concrete anti-collision guard bar is fixed on installation position；
S2：Jack, load transducer and cushion block are installed, cushion block center is kept to be located at apart from concrete anti-collision guard bar top
It holds at 50mm；
S3：Start to load using jack, carry out multistage loadings according to the 20% of design standard numerical value, loading stops per rank
Stay time 1min；It is loaded into after the 80% of design standard numerical value and carries out multistage loadings according to the 10% of design standard numerical value, per rank
Load residence time 1min；Residence time 3min when being loaded into the 100% of design standard numerical value；Continue according to design standard numerical value
20% carry out multistage loadings until design standard numerical value 200%, per rank load residence time 1min；If concrete anticollision is protected
The crack width on column is no more than 1.5mm, and reinforcing bar is not broken, then is qualification, otherwise unqualified；
S4：After load test, jack is unloaded.
Above-described embodiment is only the wherein specific implementation of the utility model, and description is more specific and detailed, but simultaneously
Cannot the limitation to the utility model patent scope therefore be interpreted as.It should be pointed out that the ordinary skill for this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are apparent
Alternative forms belong to the scope of protection of the utility model.
Claims (9)
1. a kind of concrete anti-collision guard bar load test frame, which is characterized in that the test stand includes pedestal and is fixed on bottom
Side seat on seat, the side seat is equipped with to fix the installation position of anticollision barrier bottom, after anticollision barrier is fixed on installation position
It meets the face of hitting in horizontally disposed.
2. concrete anti-collision guard bar load test frame according to claim 1, which is characterized in that the pedestal includes pedestal
Plane steel plate is fixed with polylith I-steel below the base plane steel plate.
3. concrete anti-collision guard bar load test frame according to claim 2, which is characterized in that the side seat includes fixing
Support base on base plane steel plate and the mounting base being fixed on support base, mounting base are detachably connected with support base,
Installation position is arranged in mounting base.
4. concrete anti-collision guard bar load test frame according to claim 3, which is characterized in that the support base includes setting
It puts the vertical steel plate of at least two pieces of support bases being arranged in parallel on base plane steel plate and is arranged on the vertical steel plate of support base
On support base plane steel plate, the one side of the vertical steel plate of support base is equipped with polylith floor；The mounting base includes and support
The mounting base plane steel plate that seat plane steel plate is detachably connected, right angle setting seat plane steel plate are equipped with polylith separately and mutually put down
Capable mounting base vertical steel plate forms installation position on the vertical steel plate of mounting base.
5. concrete anti-collision guard bar load test frame according to claim 4, which is characterized in that the mounting base vertical steel
Notch is formed on plate, the notch is equipped with the first plane steel plate that is connecting each vertical steel plate of mounting base and connecting successively, the
Two plane steel plates and the 3rd plane steel plate, first plane steel plate are obliquely installed and can connect with the bottom surface of anticollision barrier, institute
It states the 3rd plane steel plate to be horizontally disposed with and with the face of hitting of meeting of anticollision barrier can connect, second plane steel plate tilts or level is set
It puts；The top of first plane steel plate is equipped with limit base, the limit base, the first plane steel plate, the second plane steel plate and the
It is formed to fix the installation position of anticollision barrier bottom between three plane steel plates.
6. concrete anti-collision guard bar load test frame according to claim 5, which is characterized in that the limit base includes the
One /V steel plate and the second /V steel plate, the first /V steel plate and the second /V steel plate connect fixed l-shaped, between the two
Equipped with polylith triangular steel plate；The first /V steel plate is detachably connected with the first plane steel plate, the second /V steel plate and
Two plane steel plates are parallel.
7. according to claim 1 ~ 6 any one of them concrete anti-collision guard bar load test frame, which is characterized in that the installation
The surface of position is equipped with the cushion pad that can be contacted with anticollision barrier.
8. the concrete anti-collision guard bar load test frame according to claim 3 or 4 or 6, which is characterized in that described detachable
It is connected as connecting using threaded fastener.
9. a kind of concrete anti-collision guard bar load testing machine, which is characterized in that mixed including claim 1 ~ 8 any one of them
Solidifying soil anticollision barrier load test frame and the jack for being further applied load to anticollision barrier top, the liter of the jack
The top for dropping bar is equipped with load transducer and cushion block successively, and when anticollision barrier is fixed on test stand, the top for hitting guardrail is right
The face of hitting of meeting answered is contacted with cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721690938.6U CN207439824U (en) | 2017-12-07 | 2017-12-07 | A kind of concrete anti-collision guard bar load test frame and experimental rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721690938.6U CN207439824U (en) | 2017-12-07 | 2017-12-07 | A kind of concrete anti-collision guard bar load test frame and experimental rig |
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| CN207439824U true CN207439824U (en) | 2018-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152131A (en) * | 2017-12-07 | 2018-06-12 | 黄贺明 | Concrete anti-collision guard bar load test frame, experimental rig and load test method |
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2017
- 2017-12-07 CN CN201721690938.6U patent/CN207439824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152131A (en) * | 2017-12-07 | 2018-06-12 | 黄贺明 | Concrete anti-collision guard bar load test frame, experimental rig and load test method |
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