CN208155760U - A kind of hollow square pile beam test device - Google Patents
A kind of hollow square pile beam test device Download PDFInfo
- Publication number
- CN208155760U CN208155760U CN201820404183.7U CN201820404183U CN208155760U CN 208155760 U CN208155760 U CN 208155760U CN 201820404183 U CN201820404183 U CN 201820404183U CN 208155760 U CN208155760 U CN 208155760U
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- hollow square
- square pile
- hinged support
- buttress
- secondary station
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Abstract
The utility model provides a kind of hollow square pile beam test device, and the experimental rig includes:It is respectively arranged on hollow square pile both ends bottom surface, the first secondary station and the second secondary station for placing the hollow square pile, the third secondary station being placed on the hollow square pile, first secondary station includes the first buttress, the first fixed-hinged support, second secondary station includes the second buttress, the first rolling hinged support, the third secondary station includes distribution beam and separates from second fixed-hinged support at the distribution beam both ends, the second rolling hinged support respectively, and the distribution beam is equipped with the weight with load.The hollow square pile beam test apparatus structure of this case is simple, reasonable, and it is convenient, accurate that test is got up, and distribution beam is equipped with the weight with load, and the direction of the power of load can test out hollow square pile anti-bending strength by adjusting the size of load perpendicular to ground.
Description
Technical field
The utility model relates to pre-stressed concrete hollow square stakes, and in particular to a kind of hollow square pile beam test device.
Background technique
Existing concrete prefabricated element and tubular pole, square pile are a kind of common tubular pole, the use environment ratio of hollow square pile
It is more diversified, some bendings can be sometimes generated, a series of situations such as splitting can be generated in use, therefore one
When either sample is inspected by random samples before the occasion use of a little special requirements, need to test the anti-bending strength of square pile, it is existing
There are no special general devices for test.
Utility model content
One purpose of the utility model is in view of the drawbacks of the prior art, to provide a kind of structurally reasonable, easy to use
Hollow square pile beam test device.
Particularly, the utility model provides a kind of hollow square pile beam test device, and the experimental rig includes:Respectively
Set on hollow square pile both ends bottom surface, the first secondary station and the second secondary station for placing the hollow square pile, it is placed on described
Third secondary station on hollow square pile, first secondary station include the first buttress, the first fixed-hinged support, second auxiliary
Platform includes the second buttress, the first rolling hinged support, and the third secondary station includes distribution beam and separates from the distribution respectively
Second fixed-hinged support, second rolling hinged support at beam both ends, the distribution beam are equipped with the weight with load.
Further, first buttress, the second buttress are symmetrical relative to the perpendicular bisector of the distribution beam.
Further, second fixed-hinged support be set to the distribution beam close to one end of first buttress, it is described
Second rolling hinged support is set to the distribution beam close to one end of second buttress.
Further, first buttress, the second buttress are located at a platform smooth, on the same horizontal plane
On.
Further, the load direction of the weight is perpendicular to ground.
Further, first fixed-hinged support, respectively include a backing plate on the second fixed-hinged support, the backing plate is
Inverted V-shaped backing plate.
The hollow square pile beam test apparatus structure of this case is simple, reasonable, and it is convenient, accurate that test is got up, and sets in distribution beam
There is the weight with load, the direction of the power of load can test out hollow side by adjusting the size of load perpendicular to ground
Stake anti-bending strength.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of the hollow square pile beam test device of an embodiment of the present invention.
Specific embodiment
As shown in Figure 1, present embodiment discloses a kind of hollow square pile beam test device, the experimental rig includes:Point
Not She Yu hollow square pile both ends bottom surface, the first secondary station 1 and the second secondary station 2 for placing the hollow square pile 100, place
Third secondary station 3 on the hollow square pile 100, first secondary station 1 include the first buttress 11, the first fixed-hinged support
12, second secondary station 2 includes the second buttress 21, the first rolling hinged support 22, and the third secondary station 3 includes distribution beam
31 and second fixed-hinged support 32 at 31 both ends of distribution beam, the second rolling hinged support 33, the distribution are separated from respectively
Beam 31 is equipped with the weight 34 with load.
First rolling hinged support 22, the second rolling hinged support 33 are spherical slip support abutments:Vertical direction is immovable, can be with
Rotation, can move in the horizontal direction.
First fixed-hinged support 12, the second fixed-hinged support 32:It can rotate, level, vertical direction are immovable.
The working principle of the experimental rig is:Loading procedure should include following the description:
The first step:It is loaded onto the 80% of ring cross-section by 20% differential of ring cross-section, every level-one load duration is not
Less than 3min;Then by 10% differential continue to be loaded onto ring cross-section 100% of ring cross-section.The duration of every level-one load
No less than 3min has seen whether crack appearance, measures and records fracture width.
Second step:If not occurring crack in the 100% of ring cross-section, differential continue to load by the 5% of ring cross-section
Occur to crack, the duration of every level-one load is no less than 3min, measures and record fracture width.
Third step:Differential continue to be loaded onto until there is one of situation set forth below by the 5% of ultimate bending moment.Every level-one
The duration of load is no less than 3min, observes and records every reading.
1, concrete in tension zone fracture width reaches 1.5mm.
2, tension reinforcement is pulled off.
3, compressive region concrete destruction.
The 100 beam test apparatus structure of hollow square pile of this case is simple, reasonable, and it is convenient, accurate that test is got up, distribution beam 31
It is equipped with the weight 34 with load, the direction of the power of load can be tested out perpendicular to ground by adjusting the size of load
100 anti-bending strength of hollow square pile.
First buttress 11, the second buttress 21 are symmetrical relative to the perpendicular bisector of the distribution beam 31, position be it is fixed, no
Same hollow square pile 100 can be tested by the experimental rig.
Second fixed-hinged support 32 is set to the distribution beam 31 and rolls close to one end of first buttress 11, described second
Hinged-support 33 is set to the distribution beam 31 close to one end of second buttress 21, is corresponding.
First buttress 11, the second buttress 21 be located at it is one smooth, on the platform on the same horizontal plane, it is more smart
It is quasi-.
Perpendicular to ground, the result measured is accurate in the load direction of weight 34.
A backing plate 13 is respectively included on first fixed-hinged support 12, the second fixed-hinged support 32, the backing plate 13 is inverted V-shaped
Backing plate is steady durable.
So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein
A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this is practical new
The range of type is understood that and regards as to cover all such other variations or modifications.
Claims (6)
1. a kind of hollow square pile beam test device, which is characterized in that the experimental rig includes:It is respectively arranged on hollow square pile two
Bottom surface, the first secondary station and the second secondary station for placing the hollow square pile are held, the be placed on the hollow square pile
Three secondary stations, first secondary station include the first buttress, the first fixed-hinged support, and second secondary station includes second
Pier, the first rolling hinged support, the third secondary station include distribution beam and separate from the second of the distribution beam both ends respectively
Fixed-hinged support, the second rolling hinged support, the distribution beam are equipped with the weight with load.
2. hollow square pile beam test device as described in claim 1, it is characterised in that:First buttress, the second buttress
Perpendicular bisector relative to the distribution beam is symmetrical.
3. hollow square pile beam test device as claimed in claim 2, it is characterised in that:Second fixed-hinged support is set to
For the distribution beam close to one end of first buttress, second rolling hinged support is set to the distribution beam close to described second
One end of buttress.
4. hollow square pile beam test device as claimed in claim 3, it is characterised in that:First buttress, the second buttress
Positioned at it is one smooth, on the platform on the same horizontal plane.
5. hollow square pile beam test device as claimed in claim 4, it is characterised in that:The load direction of the weight is vertical
In ground.
6. hollow square pile beam test device as claimed in claim 5, it is characterised in that:First fixed-hinged support,
A backing plate is respectively included on two fixed-hinged supports, the backing plate is inverted V-shaped backing plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820404183.7U CN208155760U (en) | 2018-03-24 | 2018-03-24 | A kind of hollow square pile beam test device |
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CN201820404183.7U CN208155760U (en) | 2018-03-24 | 2018-03-24 | A kind of hollow square pile beam test device |
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CN208155760U true CN208155760U (en) | 2018-11-27 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110849709A (en) * | 2019-12-11 | 2020-02-28 | 河南工程学院 | Supporting seat for simply supported beam bending test and simply supported beam bending test device |
CN115165610A (en) * | 2022-09-06 | 2022-10-11 | 江苏大力神管桩有限公司 | Bending resistance test device for hollow square pile |
-
2018
- 2018-03-24 CN CN201820404183.7U patent/CN208155760U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110849709A (en) * | 2019-12-11 | 2020-02-28 | 河南工程学院 | Supporting seat for simply supported beam bending test and simply supported beam bending test device |
CN110849709B (en) * | 2019-12-11 | 2022-02-08 | 河南工程学院 | Supporting seat for simply supported beam bending test and simply supported beam bending test device |
CN115165610A (en) * | 2022-09-06 | 2022-10-11 | 江苏大力神管桩有限公司 | Bending resistance test device for hollow square pile |
CN115165610B (en) * | 2022-09-06 | 2022-12-06 | 江苏大力神管桩有限公司 | Bending resistance test device for hollow square pile |
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