CN202928901U - Novel bending test device for tubular pile - Google Patents
Novel bending test device for tubular pile Download PDFInfo
- Publication number
- CN202928901U CN202928901U CN201220427646.4U CN201220427646U CN202928901U CN 202928901 U CN202928901 U CN 202928901U CN 201220427646 U CN201220427646 U CN 201220427646U CN 202928901 U CN202928901 U CN 202928901U
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- test device
- tubular pile
- fixed block
- pile tube
- base plate
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Abstract
The utility model relates to a novel bending test device for a tubular pile. The device comprises a tubular pile, a bottom plate, a fixed block, a connecting rod and a pressure device. The tubular pile is provided with the fixed block which is connected with the connecting rod. The connecting rod is connected with the bottom plate. The pressure device is arranged between the tubular pile and the bottom plate and comprises a base plate, a distribution beam, a fixed hinged support, a rolling hinged support and a pressurizer. The base plate is arranged on the tubular pile in a matched manner, the pressurizer is arranged on the bottom plate, and the top of the pressurizer is contacted with the distribution beam. The novel bending test device for the tubular pile provided by the utility model is stable in structure and precise in measurement result.
Description
Technical field
The utility model relates to the beam test proving installation, relates in particular to a kind of Novel tubular pile beam test device.
Background technology
prestressed concrete pipe pile is a kind of of building pile foundation, carrying the safety of ten hundreds of life and property, in order better to guarantee product quality and the serviceable life of pile tube, specification and the minimum distributed steel requirement of deformed bar for pile tube, the requirement of end plate minimum thickness, freeze proof to having, the requirement of the aggregate that pile tubes impervious or other specific (special) requirements use, silica flour, slag micropowder, flyash, the silicon ash waits the quality requirements of admixture, the shear behavior requirement of pile tube and the life requirement of test method and pile tube etc. have higher standard, so the detection for the pile tube quality in beam test has improved technical requirement, be badly in need of a kind of proving installation of more scientific and reasonable pile tube product.
The utility model content
The technical problems to be solved in the utility model is: provide a kind of Stability Analysis of Structures, the accurate Novel tubular pile beam test of measurement result device.
in order to overcome the defective that exists in background technology, the technical scheme that its technical matters that solves the utility model adopts is: a kind of Novel tubular pile beam test device, comprise pile tube, base plate, fixed block, connecting link and pressure apparatus, be provided with fixed block on described pile tube, be connected with connecting link on described fixed block, described connecting link is connected with base plate, described pressure apparatus is arranged between pile tube and base plate, described pressure apparatus comprises backing plate, distribution beam, fixed-hinged support, rolling hinged support and pressurizer, described backing plate is equipped with below pile tube, described pressurizer is arranged on base plate, described pressurizer top and distribution beam contact.
According to another embodiment of the present utility model, described Novel tubular pile beam test device is inverted structure, described pile tube is arranged at the bottom, described base plate is arranged at top, described fixed block is arranged at the pile tube bottom, be connected with connecting link on described fixed block, described connecting link is connected with base plate, and described pressure apparatus is arranged between pile tube and base plate.
According to another embodiment of the present utility model, described fixed block is U-shaped.
According to another embodiment of the present utility model, described fixed-hinged support is connected between distribution beam and backing plate, and described rolling hinged support is connected between distribution beam and backing plate.
According to another embodiment of the present utility model, described backing plate is the U-shaped backing plate.
According to another embodiment of the present utility model, described connecting link and fixed block are threaded.
According to another embodiment of the present utility model, described pressurizer is pneumatic cylinder.
According to another embodiment of the present utility model, the centre distance between described fixed block is 3/5 of pile tube length.
The utility model Novel tubular pile beam test device has Stability Analysis of Structures, the accurate advantage of measurement result.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment of the utility model Novel tubular pile beam test device;
Fig. 2 is the left view of the preferred embodiment of the utility model Novel tubular pile beam test device;
Fig. 3 is the front view of the another kind of embodiment of the utility model Novel tubular pile beam test device;
Fig. 4 is the left view of Fig. 3;
Wherein: 1, pile tube, 2, base plate, 3,3 '-fixed block, 4, connecting link, 5,5 '-backing plate, 6, distribution beam, 7, fixed-hinged support, 8, rolling hinged support, 9, pressurizer.
Embodiment
With preferred embodiment, the utility model is described in further detail by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, the utility model proposes a kind of Novel tubular pile beam test device, it comprises pile tube 1, base plate 2, fixed block 3,3 ', connecting link 4 and pressure apparatus.
Be provided with fixed block 3,3 ' on described pile tube 1, be connected with connecting link 4 on described fixed block 3,3 ', described connecting link 4 is connected with base plate 2, and described pressure apparatus is arranged between pile tube 1 and base plate 2.Described pressure apparatus comprises backing plate 5,5 ', distribution beam 6, fixed-hinged support 7, rolling hinged support 8 and pressurizer 9, described backing plate 5,5 ' is equipped with below pile tube 1, described pressurizer 9 is arranged on base plate 2, and described pressurizer 9 tops and distribution beam 6 contact.
In addition, described fixed block 3,3 ' is U-shaped, and U-shaped fixed block 3,3 ' is fixed pile tube 1 by connecting link 4 and base 2, guarantees the stable of structure.
In addition, described fixed-hinged support 7 is connected between distribution beam 6 and backing plate 5, and described rolling hinged support 8 is connected between distribution beam 6 and backing plate 5 '.
In addition, described backing plate 5,5 ' is the U-shaped backing plate, and U-shaped backing plate 5,5 ' matches with pile tube 1, guarantees that pile tube 1 is stressed.
In addition, described connecting link 4 and fixed block 3,3 ' are threaded.
In addition, described pressurizer 9 is pneumatic cylinder, and pneumatic cylinder provides pressure to pile tube 1, makes the stressed bending of pile tube 1, and then measures the cracking resistance moment of flexure.
In addition, the centre distance between described fixed block 3,3 ' is 3/5 of pile tube 1 length.
In addition, described Novel tubular pile beam test device can be inverted structure, described pile tube 1 is arranged at the bottom, described base plate 2 is arranged at top, described fixed block 3,3 ' is arranged at pile tube 1 bottom, be connected with connecting link 4 on described fixed block 3,3 ', described connecting link 4 is connected with base plate 2, and described pressure apparatus is arranged between pile tube 1 and base plate 2.
the principle of work of the utility model Novel tubular pile beam test device is as follows: by fixed block 3, 3 ' fixes pile tube, backing plate 5, 5 ' touches with pile tube 1 bottom connection, utilize 9 pairs of distribution beam 6 of pneumatic cylinder that pressure is provided, distribution beam 6 transfers the pressure to pile tube 1 by fixed-hinged support 7 and rolling hinged support 8, the stressed beginning of pile tube 1 is crooked, loading procedure is as follows: the first step: by the cracking resistance moment of flexure 20% differentially be loaded on 80% of Cracking Shear Force by zero, the duration of every grade of load is 3 minutes, then by Cracking Shear Force 10% differentially continue to be loaded on 100% of Cracking Shear Force, the duration of every grade of load is 3 minutes, whether observe has crackle, and record crack width, second step: if the cracking resistance moment of flexure 100% the time crack do not appear, by 5% differentially continue to be loaded on the crack and occur of cracking resistance moment of flexure, the duration of every grade of load is 3 minutes, measures and record fracture width, the 3rd step: by ultimate bending moment 5% differential continue to be loaded on one of check mark that the pile tube ultimate limit state occurs till, the duration of every grade of load moment of flexure is 3 minutes, and the every reading of observational record, to go the previous stage payload values as cracking resistance load measured value when the crack occurs for the first time in loading procedure, when the load in regulation the crack occurs in the duration for the first time, should get the mean value of payload values at the corresponding levels and last collection payload values as cracking resistance load measured value, when the crack occurring for the first time after the load duration in regulation finishes, should get the mean value of payload values at the corresponding levels and previous stage load as the ultimate load measured value, load vertically downward M=P (3 L/5-2a)/4+WL/40 according to formula, load vertically upward: M=P (3 L/5-2a)/4-WL/40, level loads: and M=P (3 L/5-2a)/4, in above-mentioned formula, M is the bending resistance moment of flexure, and W is the pile tube quality, and L is pile tube length, and P is load, a is 1/2 loading span.
Novel tubular pile beam test device of the present utility model has Stability Analysis of Structures, the accurate advantage of measurement result.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to the claim scope.
Claims (8)
1. Novel tubular pile beam test device, it is characterized in that: comprise pile tube (1), base plate (2), fixed block (3, 3 '), connecting link (4) and pressure apparatus, described pile tube is provided with fixed block (3 on (1), 3 '), described fixed block (3, 3 ') be connected with connecting link (4) on, described connecting link (4) is connected with base plate (2), described pressure apparatus is arranged between pile tube (1) and base plate (2), described pressure apparatus comprises backing plate (5, 5 '), distribution beam (6), fixed-hinged support (7), rolling hinged support (8) and pressurizer (9), described backing plate (5, 5 ') be equipped with in pile tube (1) below, described pressurizer (9) is arranged on base plate (2), described pressurizer (9) top and distribution beam (6) contact.
2. Novel tubular pile beam test device as claimed in claim 1, it is characterized in that: described Novel tubular pile beam test device is inverted structure, described pile tube (1) is arranged at the bottom, described base plate (2) is arranged at top, described fixed block (3,3 ') is arranged at pile tube (1) bottom, described fixed block is connected with connecting link (4) on (3,3 '), described connecting link (4) is connected with base plate (2), and described pressure apparatus is arranged between pile tube (1) and base plate (2).
3. Novel tubular pile beam test device as claimed in claim 1, it is characterized in that: described fixed block (3,3 ') is U-shaped.
4. Novel tubular pile beam test device as claimed in claim 1, it is characterized in that: described fixed-hinged support (7) is connected between distribution beam (6) and backing plate (5), and described rolling hinged support (8) is connected between distribution beam (6) and backing plate (5 ').
5. Novel tubular pile beam test device as claimed in claim 1, it is characterized in that: described backing plate (5,5 ') is the U-shaped backing plate.
6. Novel tubular pile beam test device as claimed in claim 1, it is characterized in that: described connecting link (4) and fixed block (3,3 ') are threaded.
7. Novel tubular pile beam test device as claimed in claim 1, it is characterized in that: described pressurizer (9) is pneumatic cylinder.
8. Novel tubular pile beam test device as claimed in claim 1, it is characterized in that: the centre distance between described fixed block (3,3 ') is 3/5 of pile tube length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427646.4U CN202928901U (en) | 2012-08-28 | 2012-08-28 | Novel bending test device for tubular pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427646.4U CN202928901U (en) | 2012-08-28 | 2012-08-28 | Novel bending test device for tubular pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202928901U true CN202928901U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220427646.4U Expired - Lifetime CN202928901U (en) | 2012-08-28 | 2012-08-28 | Novel bending test device for tubular pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202928901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372810A (en) * | 2014-12-09 | 2015-02-25 | 长安大学 | Testing apparatus for simulating flexural behavior of pile foundation |
-
2012
- 2012-08-28 CN CN201220427646.4U patent/CN202928901U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372810A (en) * | 2014-12-09 | 2015-02-25 | 长安大学 | Testing apparatus for simulating flexural behavior of pile foundation |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 213015 Jiangsu province Changzhou City Zhonglou District Mushu Road No. 10 Patentee after: CHANGZHOU ARCHITECTUAL RESEARCH INSTITUTE GROUP Co.,Ltd. Address before: 213000 Jiangsu province Changzhou City Zhonglou District Mushu Road No. 10 Patentee before: CHANGZHOU ARCHITECTURAL RESEARCH INSTITUTE Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |