CN204456089U - Foundation pile static loading test bar connecting ground tackle - Google Patents
Foundation pile static loading test bar connecting ground tackle Download PDFInfo
- Publication number
- CN204456089U CN204456089U CN201520027888.8U CN201520027888U CN204456089U CN 204456089 U CN204456089 U CN 204456089U CN 201520027888 U CN201520027888 U CN 201520027888U CN 204456089 U CN204456089 U CN 204456089U
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- ground tackle
- finish rolling
- loading test
- static loading
- rolling deformed
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Abstract
The utility model relates to the foundation pile static loading test equipment field used in civil engineering work construction, particularly relates to the connection ground tackle of a kind of pile body reinforcing bar and static loading test counterforce structure device.A kind of foundation pile static loading test bar connecting ground tackle, it is characterized in that, comprise finish rolling deformed bar connector, be fixedly connected on the linking arm of finish rolling deformed bar connector both sides, described finish rolling deformed bar connector is fixedly connected with anchorage of reinforcement sleeve by linking arm, is provided with reinforcing bar intermediate plate in anchorage of reinforcement sleeve.The utility model anchoring pile reinforcing bar ensures stressed on the vertical straight line of same with finish rolling deformed bar by being connected ground tackle.Attachment force is constant, and quality of connection is guaranteed, and attachment force can control.Anchoring strength is balanced.Connect ground tackle dismounting simple, quick, reusable.
Description
Technical field
The utility model relates to the foundation pile static loading test equipment field used in civil engineering work construction, particularly relates to the connection ground tackle of a kind of pile body reinforcing bar and static loading test counterforce structure device.
Background technology
Pile foundation is the one of deep foundation, and its effect is by relative soft stratum or the rock stratum that Water transport is harder to depths, compressibilty is smaller or soil layer by the load of superstructure.The use of pile foundation is that the mankind overcome weak soil dwelling and to lay a foundation the age-old approach of difficulty.
In order to ensure the quality of pile foundation engineering, should carry out necessary detection to pile foundation, wherein the detection of pile bearing capacity is the necessary index evaluating pile foundation engineering.
It is single pile vertical resistance pressure that foundation pile supporting capacity detects common test item, resistance to plucking static loading test, in process of the test, especially large-tonnage single pile bearing capacity, usual employing provides counter-force by anchoring pile in conjunction with structures such as girder steels, tradition anchored pile-testing method static loading test is connected with the mode of top terminal pad by welded reinforcement anchor cylinder or anchoring pile reinforcing bar, form overall structure, there is following defect in such syndeton: 1, welding quality is difficult to be guaranteed, easily cause counter-force system unbalance stress, easily occur in static loading test process snapping, the phenomenons such as reinforcing bar fracture, affect normal assays, even there is serious accident.2, welding process needs the artificial of at substantial and welding material, and the weld fumes that welding produces, pernicious gas, noise, high frequency electromagnetic radiation and light radiation etc. cause certain influence to human and environment.3, different types of welding rod, power consumption and not re-usable anchor draw reinforcing bar to cause increase and the wasting of resources of experimentation cost, do not meet the fundamental state policy of the strategy of sustainable development.4, the weld interval especially required for large-tonnage anchored pile-testing method single pile bearing capacity very long (needing more than 2 days), the prolongation of test period is caused.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of foundation pile static loading test bar connecting ground tackle.
The technical scheme that the utility model adopts is:
A kind of foundation pile static loading test bar connecting ground tackle, it is characterized in that, comprise finish rolling deformed bar connector, be fixedly connected on the linking arm of finish rolling deformed bar connector both sides, described finish rolling deformed bar connector is fixedly connected with anchorage of reinforcement sleeve by linking arm, is provided with reinforcing bar intermediate plate in anchorage of reinforcement sleeve.
In anchorage installation process, by reinforcing bar through after ground tackle sleeve, fill the space between reinforcing bar and ground tackle sleeve with reinforcing bar intermediate plate, reach the fixing effect of reinforcing bar.
Compared with prior art, the beneficial effect of the utility model connection ground tackle is:
1, anchoring pile reinforcing bar ensures stressed on the vertical straight line of same with finish rolling deformed bar by being connected ground tackle.Attachment force is constant, and quality of connection is guaranteed, and attachment force can control, and namely in the yield range of anchoring pile reinforcing bar, single group ground tackle can provide the tensile strength being not less than 500kN.
2, anchoring strength equilibrium (realizing by regulating upper bolt), for static loading test overall structure stability is given security.
3, ground tackle dismounting is connected simple, quick, reusable, environment is had no adverse effects, to be provided the single pile bearing capacity of 30000kN counter-force by 4 anchoring piles, the installation process of whole equipment can be controlled in 3 hours, can start load test.
4, shown by field trial, connect the finish rolling deformed bar that ground tackle top connects Ф 25mm, lower tool anchor is furnished with 2 cover intermediate plates, can distinguish the anchoring pile indented bars of anchoring Ф 12mm ~ Ф 28mm and Ф 28mm ~ Ф 40mm, the basic diameter range covering existing anchoring pile arrangement of reinforcement.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation elevation;
Fig. 2 is the utility model structural representation sectional drawing;
Wherein 1. finish rolling deformed bar connectors; 2. linking arm; 3. bolts and nuts; 4. grid spacer; 5. anchorage of reinforcement sleeve; 6. reinforcing bar intermediate plate; 7. finish rolling deformed bar; 8. anchoring pile reinforcing bar.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As Fig. 1 shows, a kind of foundation pile static loading test bar connecting ground tackle, it is characterized in that, comprise finish rolling deformed bar connector 1, be fixedly connected on the linking arm 2 of finish rolling deformed bar connector 1 both sides, described finish rolling deformed bar connector 1 is fixedly connected with anchorage of reinforcement sleeve 5 by linking arm 2, is provided with reinforcing bar intermediate plate 6 in anchorage of reinforcement sleeve 5.
In anchorage installation process, by anchoring pile reinforcing bar through after ground tackle sleeve, be filled in the space between reinforcing bar and ground tackle sleeve with reinforcing bar intermediate plate 6, reach the fixing effect of reinforcing bar.
For convenience of operation, between described finish rolling deformed bar connector 1 and anchorage of reinforcement sleeve 5, be fixedly connected with grid spacer 4, finish rolling deformed bar and anchoring pile reinforcing bar are shelved in the space up and down of foundation pile static loading test bar connecting ground tackle respectively.The Main Function of grid spacer is: be convenient to people's independent operation, increase work efficiency; The anchoring high unity of anchoring pile reinforcing bar is limited, upper and lower two parts is operated and does not interfere with each other.
Described finish rolling deformed bar connector 1 is the cylinder of hollow, and cylinder inner wall is provided with internal thread, and finish rolling deformed bar screws in wherein affixed.
Described linking arm 2 is fixedly connected with by bolts and nuts 3 with anchorage of reinforcement sleeve 5.
Described reinforcing bar intermediate plate 6 has more than two covers, with the reinforcing bar of corresponding different size.
Described be fixedly connected as welding, set bolt connect, riveted joint or other existing any one of mode of being fixedly connected with.
As Fig. 2 shows, in use, grid spacer is closed, connection ground tackle is positioned on anchoring pile reinforcing bar 8 through anchorage of reinforcement sleeve 5, by the constraint of grid spacer 4, connecting ground tackle is suspended on reinforcing bar, 3 reinforcing bar intermediate plates 6 are evenly positioned between the gap of reinforcing bar and ground tackle sleeve, impose in intermediate plate upper end suitable pressure make it with reinforcing bar and sleeve connection more tight, can complete and the fixing of reinforcing bar is drawn to anchor, thereafter portion's counterforce device is reconnected, way is that finish rolling deformed bar 7 is screwed into finish rolling deformed bar connector 1, the finish rolling deformed bar other end is through top anchoring pile static loading test counterforce device, and then be fixed by pad and nut, just the connection procedure that an anchor draws reinforcing bar is completed with this.
Due to the difference of engineering practice, tens covers cover even up to a hundred generally can be adopted to connect ground tackle and corresponding finish rolling deformed bar, be connected, for test pile provides counter-force with counterforce device entirety.The test that single group connects ground tackle can provide the tensile strength being not less than 500kN.Certainly, this is relevant to the arrangement of reinforcement of the main muscle of anchoring pile.For every root anchoring pile 24 Ф 40mm indented bars arrangements of reinforcement, totally 4 anchoring piles, after being connected with top counterforce device by 96 groups of connection ground tackles, the counter-force being not less than 48000kN totally can be provided.
Detailed description of the invention described in the utility model does not form the restriction to the application's scope; within every spirit in the utility model design and principle, any amendment that one of skill in the art can make, equivalent to replace and improvement etc. all should be included within protection domain of the present utility model.
Claims (6)
1. a foundation pile static loading test bar connecting ground tackle, it is characterized in that, comprise finish rolling deformed bar connector (1), be fixedly connected on the linking arm (2) of finish rolling deformed bar connector (1) both sides, described finish rolling deformed bar connector (1) is fixedly connected with anchorage of reinforcement sleeve (5) by linking arm (2), is provided with reinforcing bar intermediate plate (6) in anchorage of reinforcement sleeve (5).
2. foundation pile static loading test bar connecting ground tackle according to claim 1, is characterized in that, described finish rolling deformed bar connector (1) is hollow branch sleeve, and branch sleeve inwall is provided with the internal thread for connecting finish rolling deformed bar.
3. foundation pile static loading test bar connecting ground tackle according to claim 1, is characterized in that, is fixedly connected with grid spacer (4) between described finish rolling deformed bar connector (1) and anchorage of reinforcement sleeve (5).
4. foundation pile static loading test bar connecting ground tackle according to claim 1, is characterized in that, described linking arm (2) is fixedly connected with by bolts and nuts (3) with anchorage of reinforcement sleeve (5).
5. foundation pile static loading test bar connecting ground tackle according to claim 1, is characterized in that, described reinforcing bar intermediate plate (6) has more than two covers.
6. foundation pile static loading test bar connecting ground tackle according to claim 1, is characterized in that, described is fixedly connected as welding, set bolt connects, riveted joint or other existing any one of mode of being fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520027888.8U CN204456089U (en) | 2015-01-11 | 2015-01-11 | Foundation pile static loading test bar connecting ground tackle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520027888.8U CN204456089U (en) | 2015-01-11 | 2015-01-11 | Foundation pile static loading test bar connecting ground tackle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204456089U true CN204456089U (en) | 2015-07-08 |
Family
ID=53662998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520027888.8U Active CN204456089U (en) | 2015-01-11 | 2015-01-11 | Foundation pile static loading test bar connecting ground tackle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204456089U (en) |
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2015
- 2015-01-11 CN CN201520027888.8U patent/CN204456089U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |