CN201310102Y - Static load test conversion beam - Google Patents
Static load test conversion beam Download PDFInfo
- Publication number
- CN201310102Y CN201310102Y CNU2008202203852U CN200820220385U CN201310102Y CN 201310102 Y CN201310102 Y CN 201310102Y CN U2008202203852 U CNU2008202203852 U CN U2008202203852U CN 200820220385 U CN200820220385 U CN 200820220385U CN 201310102 Y CN201310102 Y CN 201310102Y
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- cover plate
- pallet
- top tray
- reinforcing bar
- stranded wire
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Abstract
The utility model discloses a static load test conversion beam, which comprises an anchor pile steel bar and a reactive frame, wherein the anchor pile steel bar is connected with the reactive frame through a conversion device, the conversion device comprises an upper tray, a lower tray, a cover plate and a steel stranded wire, wherein the cover plate is provided with a through hole, corresponding through holes are arranged on the upper tray and the lower tray, the cover plate is arranged on the lower tray, the anchor pile steel bar is threaded through the lower tray, the whole steel bar is fixed on the cover plate through bolts, then, the upper tray is placed on the upper end of the reactive frame, the upper tray and the lower tray are connected through the steel stranded wire, and two ends of the steel stranded wire are locked through anchors. The static load test conversion beam has the advantages that each steel stranded wire should be strained through a single pore screw block before tests, and each steel stranded wire is equally forced, thereby guaranteeing that the force of an anchor pile is evenly transmitted to the reactive frame in static load tests and guaranteeing the safety and reliability of tests.
Description
Technical field
The utility model relates to building field, is a kind of static loading test conversion beam specifically.
Background technology
The quality of foundation pile workmanship depends primarily on 2 factors, i.e. supporting capacity and pile quality, and bearing capacity is the principal element in the two.The accurate test of bearing capacity of single pile all plays a part very important for the design of design of all kinds of building foundations and even superstructure.For a long time, determine that both at home and abroad the method for bearing capacity of single pile is a lot, total two big classes that are divided into: the first kind is that the engineering site test pile is carried out static load test and power detection; Second class is by other means, draws respectively to calculate behind the collateral resistance of end resistance and pile body to try to achieve.One of main purpose that foundation pile detects is to determine bearing capacity of single pile, and static load test of pile is directly perceived, the most reliable method of detection vertical bearing capacity of single pile of generally acknowledging.
The single-pile vertical orientation static loading test is exactly that settling amount with a set time section is as stability criterion, by applying the load of different sizes, the settling amount of pile body is read in survey, thereby draws the relation curve of load and settling amount, determines the bearing capacity size of stake by the interpretation of experimental data.
Several counterforce devices commonly used are as follows:
In the static loading test, the load that acts in the stake is generally provided by counterforce device.The easy-to-use degree direct influence of counterforce device the process and the result of test, and commonly used have preloading reaction beam device and an anchoring pile reaction beam device.
Preloading reaction beam device is exactly to use girder steel that one bearing platform is set on the stake top, on pile weight, rely on the jack that is placed on the pile crown with platform jack-up progressively, thereby power be applied to pile body.The girder of counterforce device can be selected shaped steel for use, the also available case beam of processing voluntarily, the platform shape can be set to square or rectangle as required, the weight that preloading is used can be selected sand pocket, concrete precast block, steel ingot even the pack of fetching earth on the spot for use, also useful water tank.
Anchoring pile reaction beam device can be divided into two kinds according to the difference of counter-force anchor again in concrete application: several double helix are pierced underground use earth anchor counter-force is provided, be commonly called as anchor pole reaction beam device, can only do some less tonnage tests; Reaction frame and anchoring pile linked together provides counter-force, is commonly called as anchoring pile reaction beam device, not limited by tonnage.
Anchoring pile reaction beam device is exactly to be coupled together with dowel and reaction frame by several anchoring piles of symmetry around the peg, the jack that relies on the stake top is with reaction frame jack-up, provide counter-force by connected anchoring pile, the size that counter-force is provided is by anchoring pile quantity, and reaction frame intensity determines with the uplift resistance that is connected anchoring pile.This method adopts the reinforcing bar cover to hang on the reaction frame to be connected with anchoring pile usually.Reinforcing bar cover and anchoring pile adopt and are welded to connect.
The normal problem that occurs of existing anchoring pile reaction beam device is that the normal appearance of reinforcing bar cover can not be impartial stressed, when doing experiment, the reinforcing bar cover that has is more broken because of stressed, individual in addition do not had stressed by the reinforcing bar cover, the collapse of setting phenomenon happens occasionally, experiment is forced to end, and various unfavorable phenomenons such as personal injury also can take place sometimes.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model provides a kind of power of anchoring pile when static loading test that guarantees and evenly passes to reaction frame, can guarantee the static loading test conversion beam of the safety of testing again.Concrete scheme is:
A kind of static loading test conversion beam comprises anchoring pile reinforcing bar, reaction frame, and described anchoring pile reinforcing bar is connected with reaction frame through a conversion equipment; Described conversion equipment comprises top tray, following pallet, cover plate, steel strand, described cover plate is provided with through hole, described top tray, following pallet all are provided with corresponding through hole, and described cover plate is arranged on down on the pallet, and it is on the cover board fastening with individual root reinforcing bar with bolt that the anchoring pile reinforcing bar passes down pallet; Again top tray is placed on top, reaction frame top, top tray, pallet employing steel strand connection down, the steel strand two ends adopt ground tackle locked.
Described cover plate is provided with 8～20 through holes, evenly distributes.
Described top tray, following every beam-end of pallet all are provided with 4 corresponding through holes.
The utility model has the advantages that:
Before doing experiment, adopt the single hole jack that every steel strand are strained, and make the every stressed equalization of steel strand, so just guarantee that the power of anchoring pile when static loading test is evenly passed to reaction frame, thereby guarantee the safety and the reliability of experiment.
Description of drawings
Fig. 1 the utility model structural representation;
Fig. 2 is following pallet structural representation;
Fig. 3 is the top tray structural representation;
Fig. 4 is for being the covering plate structure schematic diagram.
The specific embodiment
Specify the utility model below in conjunction with accompanying drawing, as shown in Figure 1, described anchoring pile reinforcing bar is connected with reaction frame through a conversion equipment; Described conversion equipment comprises top tray 2, following pallet 7, cover plate 6, steel strand 3, described cover plate 6 is provided with through hole, described top tray 2, following pallet 7 all are provided with corresponding through hole, described cover plate 6 is arranged on down on the pallet 7, and anchoring pile reinforcing bar 9 passes down pallet 7 usefulness bolts 5 with individual root reinforcing bar fastening on the cover board 6; Again top tray 2 is placed on reaction frame 4 upper ends, top tray 2,7 employings of pallet steel strand, 3 connections down, steel strand 3 upper ends adopt ground tackle 1, lower end to adopt ground tackle 8 locked.
As shown in Figure 2, following pallet evenly is provided with 4 through holes in two ends of longitudinal beam, at the corresponding through hole with cover plate of crossbeam and longeron setting of mid portion by laterally forming with beam longitudinally.
As shown in Figure 3, top tray evenly is provided with 4 through holes by laterally forming with beam longitudinally in two ends of longitudinal beam, and is corresponding with the through hole of following pallet.
As shown in Figure 4, cover plate is a square, and described cover plate is provided with 8～20 through holes, evenly distributes.
Claims (3)
1. a static loading test conversion beam comprises anchoring pile reinforcing bar, reaction frame, it is characterized in that: described anchoring pile reinforcing bar is connected with reaction frame through a conversion equipment; Described conversion equipment comprises top tray, following pallet, cover plate, steel strand, described cover plate is provided with through hole, described top tray, following pallet all are provided with corresponding through hole, and described cover plate is arranged on down on the pallet, and it is on the cover board fastening with individual root reinforcing bar with bolt that the anchoring pile reinforcing bar passes down pallet; Again top tray is placed on the reaction frame upper end, top tray, employing steel strand connection between pallet down, the steel strand two ends adopt ground tackle locked.
2. conversion beam according to claim 1 is characterized in that: described cover plate is provided with 8～20 through holes, evenly distributes.
3. conversion beam according to claim 2 is characterized in that: described top tray, following every beam-end of pallet all are provided with 4 corresponding through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202203852U CN201310102Y (en) | 2008-12-05 | 2008-12-05 | Static load test conversion beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202203852U CN201310102Y (en) | 2008-12-05 | 2008-12-05 | Static load test conversion beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201310102Y true CN201310102Y (en) | 2009-09-16 |
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ID=41107355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202203852U Expired - Fee Related CN201310102Y (en) | 2008-12-05 | 2008-12-05 | Static load test conversion beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201310102Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995669A (en) * | 2012-12-14 | 2013-03-27 | 广东省建筑科学研究院 | Large-tonnage foundation pile uplift-resistant static test connection device, loading counter-force system and method |
| CN103147468A (en) * | 2013-03-27 | 2013-06-12 | 上海市机械施工有限公司 | Method for testing bearing capacity of pile foundation |
| CN103485374A (en) * | 2013-10-12 | 2014-01-01 | 中勘冶金勘察设计研究院有限责任公司 | Static load test anchor pile connecting structure |
| CN103924623A (en) * | 2013-01-11 | 2014-07-16 | 武汉倡文科技咨询有限公司 | Main reinforcement distribution ring for uplifting of foundation pile |
| CN105297793A (en) * | 2015-11-13 | 2016-02-03 | 镇江市丹徒区建筑工程质量检测中心 | Device for vertical pulling-resistance static loading test of single pile |
| CN105464151A (en) * | 2015-12-25 | 2016-04-06 | 苏州汤始建华管桩有限公司 | Precast pile pulling resistance testing device |
-
2008
- 2008-12-05 CN CNU2008202203852U patent/CN201310102Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995669A (en) * | 2012-12-14 | 2013-03-27 | 广东省建筑科学研究院 | Large-tonnage foundation pile uplift-resistant static test connection device, loading counter-force system and method |
| CN103924623A (en) * | 2013-01-11 | 2014-07-16 | 武汉倡文科技咨询有限公司 | Main reinforcement distribution ring for uplifting of foundation pile |
| CN103147468A (en) * | 2013-03-27 | 2013-06-12 | 上海市机械施工有限公司 | Method for testing bearing capacity of pile foundation |
| CN103485374A (en) * | 2013-10-12 | 2014-01-01 | 中勘冶金勘察设计研究院有限责任公司 | Static load test anchor pile connecting structure |
| CN103485374B (en) * | 2013-10-12 | 2017-02-08 | 中勘冶金勘察设计研究院有限责任公司 | Static load test anchor pile connecting structure |
| CN105297793A (en) * | 2015-11-13 | 2016-02-03 | 镇江市丹徒区建筑工程质量检测中心 | Device for vertical pulling-resistance static loading test of single pile |
| CN105464151A (en) * | 2015-12-25 | 2016-04-06 | 苏州汤始建华管桩有限公司 | Precast pile pulling resistance testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20121205 |