CN202881986U - Single-pile vertical static test pile head steel bar connection node - Google Patents
Single-pile vertical static test pile head steel bar connection node Download PDFInfo
- Publication number
- CN202881986U CN202881986U CN 201220527283 CN201220527283U CN202881986U CN 202881986 U CN202881986 U CN 202881986U CN 201220527283 CN201220527283 CN 201220527283 CN 201220527283 U CN201220527283 U CN 201220527283U CN 202881986 U CN202881986 U CN 202881986U
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- pile
- steel bar
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- muscle
- static test
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Abstract
The utility model discloses a single-pile vertical static test pile head, and in particular provides a single-pile vertical static test pile head steel bar connection node. The single-pile vertical static test pile head steel bar connection node comprises a steel bar cage and pile top reinforcing devices which are welded on the steel bar cage. The steel bar cage comprises stress main ribs and hoop ribs which are bundled up on the stress main ribs, and upper ends of the stress main ribs are processed and formed thread sections, and are cooperated with the thread sections to be connected with thread sleeves. The pile top reinforcing devices comprise pressure-bearing plates and reinforcing hoops which are welded on the pressure-bearing plates. A plurality of reserved holes are formed in the pressure-bearing plates according to positions of the stress main ribs of the steel bar cage of a filling piles, and one ends of the stress main ribs which are provided with the thread sleeves are threaded and fixed into the reserved holes. According to the single-pile vertical static test pile head steel bar connection node, the construction difficulty is reduced, a connection manner with few field welding processes, explicit force transmission and convenience in construction is provided, the node simplifies a construction process and accelerates a construction progress, and a wide popularization prospect aiming at the treatment of a vertical static test pile head is had.
Description
Technical field
The utility model relates to a kind of building structure technology field, refers in particular to a kind of single-pile vertical orientation static loading test pile head steel bar connecting joints.
Background technology
More for the processing mode of engineering pile single-pile vertical orientation static loading test pile head reinforcing bar connection at present.More original a kind of mode is that the test pile pile crown is cut, and picks out the muscle of being advocated, and according to will be advocated muscle spreading and meet the anchoring requirement of engineering pile of the overlap joint of reinforcing bar or welding requirements, then concreting is high to design stake top mark; Also have some engineerings, the processing mode that connects at test pile pile crown reinforcing bar has than much progress, when the test pile pile crown is reinforced, take into full account pile crown and strengthen the effect of hoop and bearing plate, muscle is welded to connect and guarantees enough bonding strengths with strengthening hoop and bearing plate with being advocated, then after the test pile detection is complete, directly utilize pile crown bracing means welding stake top to expose dowel and carry out follow-up construction.A kind of mode in front is in waste of manpower, material resources, in the time, also can cause the pollution of environment, do not meet the green construction requirement, although the front a kind of method of rear a kind of mode has larger progress, but steel bar connecting joints is stressed too complicated, and the muscle of being advocated is difficult to carry out detection validation by test by the power transmission that bearing plate or reinforcement hoop weld.Therefore, in view of above reason, need to explore a kind of both constructabilities advocated muscle power transmission again rational connected node and job practices thereof.
Summary of the invention
The utility model is for the deficiencies in the prior art, provide now that a kind of On-site Welding Technology is few, power transmission is clear and definite, the connected mode of convenient construction, test pile is advocated muscle top exposed parts with main muscle separately, and finally connect by the screw thread steel sleeve, reach the control of one-level joint by new designs of threaded joints, guaranteed the advocated compliance of muscle power transmission of stake top.
Single-pile vertical orientation static loading test pile head steel bar connecting joints of the present utility model, comprise reinforcing cage and the stake top bracing means that is welded on the reinforcing cage, described reinforcing cage comprises advocated muscle and the stirrup that is bound on the described muscle of being advocated, and the upper end of the described muscle of being advocated is processed to form a thread segment, and cooperates described thread segment to connect a screw shell; Described stake top bracing means comprises a bearing plate and the reinforcement hoop that is welded on the described bearing plate, position according to the muscle of being advocated of the reinforcing cage of described castinplace pile on the described bearing plate offers a plurality of preformed holes, and the end that the described muscle of being advocated is provided with screw shell wears and is fixed in the described hole.
The utility model makes its beneficial effect that has be owing to adopting above technical scheme:
Adopt this node to fill up the deficiency of existing construction technology and method, test pile is advocated muscle top exposed parts reinforcing bar with main muscle separately, and finally connect by the screw thread steel sleeve, reach the control of one-level joint by new designs of threaded joints, guaranteed the advocated compliance of muscle power transmission of stake top.The utility model has reduced difficulty of construction, has improved construction precision, can provide a kind of On-site Welding Technology few, power transmission is clear and definite, the connected mode of convenient construction, the connected mode of this node both can be applicable to the Vertical Static Loading Test stake, the pulling resistant anchor pile that also can be applicable to uplift pile and utilize engineering pile to test simultaneously.This node has been simplified work progress, has accelerated construction speed, has wide promotion prospect for the processing of Vertical Static Loading Test pile head.
Description of drawings
Fig. 1 is test pile pile crown generalized section of the present utility model;
Fig. 2 is the schematical top view of of the present utility model the pressing plate of bearing responsibility;
Fig. 3 be the stressed main muscle of test pile crown of the present utility model with after plant the schematic diagram of dowel when not being connected.
The specific embodiment
For the benefit of to further understanding of the present utility model, describe below in conjunction with drawings and Examples.
In conjunction with shown in Figure 1, single-pile vertical orientation static loading test pile head steel bar connecting joints of the present utility model, comprise reinforcing cage 1 and the stake top bracing means 2 that is welded on the reinforcing cage 1, reinforcing cage 1 comprises advocated muscle 11 and the stirrup 12 that is bound on the muscle 11 of being advocated, cooperate shown in Figure 3, advocated the upper end of muscle 11 by being processed to form a thread segment 111, and matching thread section 111 connects a screw shell 13, stake top bracing means 2 comprises that a circular bearing plate 21 and vertical welding are in the reinforcement hoop 22 of bearing plate 21 peripheries, as shown in Figure 2, the position of the muscle 11 of being advocated of the reinforcing cage 1 of corresponding castinplace pile offers a plurality of preformed holes 211 on the bearing plate 21, the centre of bearing plate 21 is stayed and is established a cavity 212, is used for concreting.
Cooperate again Fig. 1 to shown in Figure 3, advocated in the utility model upper end of muscle 11 is carried out thread segment in factory and is processed, screw shell 13 and fixing with the muscle 11 of being advocated is installed, and advocated muscle 11 and stirrup 12 welding processing that screw shell 13 will be installed are made into reinforcing cage 1, finish the examination assembly unit of multistage reinforcing cage 1, stake top bracing means 2 after welding is good welds with reinforcing cage 1, an end that the muscle 11 of being advocated is provided with screw shell 13 is arranged in the preformed hole 211, the screw shell 13 of being advocated on the muscle is connected and fixed by weld seam 3 with the preformed hole 211 of bearing plate 21, the hole that forms at preformed hole 211 places of stake top bracing means 2 adopts fluid sealant 4 fillings closely knit, in case Concrete Leakage.
Reinforcing cage 1 is installed, carry out the cast-in-place pile concrete construction by cavity 212, reject pile crown and process after carry out a static loading test, test is finished, remove the fluid sealant 4 of screw shell 13 interior fillings and matching thread sleeve 13 install a bottom be provided with screw thread 51 after plant dowel 5, be connected with screw shell 13, carry out follow-up construction.
The utility model has reduced difficulty of construction, has improved construction precision, can provide a kind of On-site Welding Technology few, power transmission is clear and definite, the connected mode of convenient construction, the connected mode of this node both can be applicable to the Vertical Static Loading Test stake, the pulling resistant anchor pile that also can be applicable to uplift pile and utilize engineering pile to test simultaneously.This node has been simplified work progress, has accelerated construction speed, has wide promotion prospect for the processing of Vertical Static Loading Test pile head.
Claims (1)
1. a single-pile vertical orientation static loading test pile head steel bar connecting joints comprises reinforcing cage and the stake top bracing means that is welded on the reinforcing cage, it is characterized in that:
Described reinforcing cage comprise advocated muscle be bound in stirrup on the described muscle of being advocated, and the upper end of the described muscle of being advocated is processed to form a thread segment, and cooperates described thread segment to connect a screw shell;
Described stake top bracing means comprises a bearing plate and the reinforcement hoop that is welded on the described bearing plate, position according to the muscle of being advocated of the reinforcing cage of described castinplace pile on the described bearing plate offers a plurality of preformed holes, and the end that the described muscle of being advocated is provided with screw shell wears and is fixed in the described hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527283 CN202881986U (en) | 2012-10-15 | 2012-10-15 | Single-pile vertical static test pile head steel bar connection node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527283 CN202881986U (en) | 2012-10-15 | 2012-10-15 | Single-pile vertical static test pile head steel bar connection node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202881986U true CN202881986U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220527283 Expired - Fee Related CN202881986U (en) | 2012-10-15 | 2012-10-15 | Single-pile vertical static test pile head steel bar connection node |
Country Status (1)
| Country | Link |
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| CN (1) | CN202881986U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852167A (en) * | 2012-10-15 | 2013-01-02 | 中国建筑第八工程局有限公司 | Single-pile vertical static test pile head steel bar connection node and construction method thereof |
| RU2557277C1 (en) * | 2014-05-29 | 2015-07-20 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Северный (Арктический) федеральный университет имени М.В. Ломоносова" (САФУ) | Method for testing piles by static load |
| CN112323877A (en) * | 2020-11-06 | 2021-02-05 | 江西省地质工程(集团)公司 | One-time pouring construction method for static pressure test pile head of cast-in-situ bored pile |
-
2012
- 2012-10-15 CN CN 201220527283 patent/CN202881986U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852167A (en) * | 2012-10-15 | 2013-01-02 | 中国建筑第八工程局有限公司 | Single-pile vertical static test pile head steel bar connection node and construction method thereof |
| CN102852167B (en) * | 2012-10-15 | 2014-10-15 | 中国建筑第八工程局有限公司 | Single-pile vertical static test pile head steel bar connection node and construction method thereof |
| RU2557277C1 (en) * | 2014-05-29 | 2015-07-20 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Северный (Арктический) федеральный университет имени М.В. Ломоносова" (САФУ) | Method for testing piles by static load |
| CN112323877A (en) * | 2020-11-06 | 2021-02-05 | 江西省地质工程(集团)公司 | One-time pouring construction method for static pressure test pile head of cast-in-situ bored pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20181015 |