CN105714825A - Core pile guide device suitable for cemented soil core inserting combination pile and core pile guide method - Google Patents
Core pile guide device suitable for cemented soil core inserting combination pile and core pile guide method Download PDFInfo
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- CN105714825A CN105714825A CN201610277722.0A CN201610277722A CN105714825A CN 105714825 A CN105714825 A CN 105714825A CN 201610277722 A CN201610277722 A CN 201610277722A CN 105714825 A CN105714825 A CN 105714825A
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- core stake
- pile
- core
- guide pad
- armored concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a core pile guide device suitable for a cemented soil core inserting combination pile and a core pile guide method. The core pile guide device comprises a guider and a connecting part; the guider is fixed to the outer side of a core pile through the connecting part to form a guide device similar to a reinforcement cage protection layer; a reinforced concrete polygonal block group, a grouting rubber bag and the like can be adopted in the guider; a steel wire for binding, an expansion bolt and the like can be adopted as the connecting part, and connection of the guider and a core pile is achieved through manners of binding, bolt connection and the like; through combination of the core pile, the connecting part and the guider, the diameter of the circumscribed circle of the guider is equal to the diameter of the cemented soil pile; and in the implanting process of the core pile, undisturbed soil of the pile lateral of the cemented soil pile achieves guidance to the implanted core pile through limiting of the guider to the core pile. The technical problem that core pile implanting of the cemented soil core inserting combination pile is not concentric or not vertical is solved, and concentricity and verticality of core pile implanting can be improved.
Description
Technical field
The present invention relates to the realm of building construction, be specifically related to be applicable to core stake guider and the core stake guidance method of cement slotting built pile, be applied in the construction that cement earth pile is inserted in cement slotting built pile SMIS stake.
Background technology
Cement slotting built pile includes the various composite pile of lock pin in cement earth pile, for instance soil cement compound pile tube, stiffness stake, SMW engineering method etc..
Cement slotting built pile SMIS stake is in implantation process, when not guiding and guiding, the difficulty implanted with one heart is relatively big and its perpendicularity is not easily controlled, and eventually affect the performance of cement slotting built pile effect, many with the control of stake machine operator's experience in construction.Present Research currently, with respect to the core pile driving construction guiding such as hollow preformed pile, solid prefabricated pile, shaped steel and degree control aspect is as follows:
(1) application number be 200820067344.4 Chinese patent disclose a kind of vertical collimator controlling pile verticality, it is perpendicular to the horizon rule body of horizontal plane including two and is contained in the levelling tube of horizon rule body, by being stuck in the stake sling by levelling rod body, observe whether bubble in levelling tube regulates the perpendicularity of stake between two parties.
(2) application number be 201520086506.9 Chinese patent disclose a kind of device controlling prestressed concrete pipe pile perpendicularity, including upper and lower two clips, vertical and graduated disc.Measure the pile body perpendicularity of prestressed concrete pipe pile in real time.
(3) application number be 201320264162.7 Chinese patent disclose a kind of pile body perpendicularity correction nuclear device, the detection container corresponding with plumb position including base, support, cross bar, vertical line, vertical and detection liquid.Vertical line, vertical and container with the use of, perpendicularity can easily be checked.
(4) Chinese patent of application number 201420426110.X discloses a kind of pile for prestressed pipe pile extension verticality control device, including semicircle enclosing, two semicircle anchor ears and two bolts.Along being welded on edge under semicircle enclosing on one semicircle shroud ring, two semicircle shroud ring bolts are fastened on pile tube, can control perpendicularity deviation well.
(5) Chinese patent of application number 201410322408.0 discloses a kind of pile tube perpendicularity detecting apparatus, by installing special three group wheel frame so that it can the perpendicularity of test pile tube, solve the problem that after pile tube in existing underground engineering construction process tilts, correction lacks test data.
(6) Chinese patent of application number 201010119678.3 discloses a kind of aligning and guiding device for engineering tubular pile, including support body, support body includes two vertical framves and a transverse strands, two two ends being vertically placed on transverse strands are anterior, in the upper and lower of support body, being equipped with multiple adjustment positioner, the multiple adjustment positioners being arranged on support body upper and lower all enclose rounded, and be uniformly distributed, the top of support body transverse strands is additionally provided with electrical control cubicles.This device has the correction that pile pipe can carry out perpendicularity, and can play the vertically-guided effect in the stricken process of pile pipe, it is ensured that the advantage of pipe pile foundation quality.
At present research is mainly manifested in control when planting in a process pile frame and the check of pile verticality on the ground and pile extension to pile verticality, also not in contact with to core stake implantation field in cement earth pile, but without the research in its guiding when implanting in cement earth pile for core stake.
Summary of the invention
It is an object of the invention to make up the deficiencies in the prior art, it is provided that suitable in the core stake guider of cement slotting built pile, specifically provide and there is the core stake guider and method that cost is low, structural strength is high, processing and fabricating is convenient, guide effect is good.
In order to achieve the above object, the present invention adopts following technical proposals: a kind of core stake guider suitable in cement slotting built pile, it includes being positioned at the upper and lower two ends of core stake and the armored concrete guide pad group or slip casting rubber bag tank, armored concrete guide pad group or the slip casting rubber bag tank that are evenly arranged along core stake circumferential exterior surface are fixed together with core stake；The maximum outline diameter of core stake of armored concrete guide pad group or slip casting rubber bag tank is installed equal to cement earth pile diameter.
The concrete feature of this programme also has, described armored concrete guide pad group is made up of at least three armored concrete guide pad, armored concrete guide pad is the block by concrete poured up at a time, armored concrete guide pad includes bottom surface, end face, interior facade, alien invasion, two side elevations, interior facade is suitable with core stake outer surface, and alien invasion includes a vertical plane and the inclined-plane having angle with polygon mat bottom surface.
Described slip casting rubber bag tank is to be made by rubber and high strength fibre cloth, or rubber and PVC terylene composite are made, or rubber and TPU press from both sides screen cloth and be made, and are the matured products in market, and concrete size can customize according to requirement of engineering.
Rubber bag tank that slip casting rubber bag tank includes circular hollow and the Grouting Pipe connected with rubber bag tank, rubber bag tank surface is provided with upper and lower two circles for wearing piercing one's ears of steel wire near core stake side；After slip casting, rubber bag tank is ring-type, and steel wire colligation of piercing one's ears is fixed on core stake two ends.
Spare interface on armored concrete guide pad, expansion bolt may pass through spare interface and armored concrete guide pad and core stake tightened together；Or built-in metal pipe on armored concrete guide pad, steel wire is realized end to end by buckle for locking wire or the mode of compact form wire closure or U-shape lock of taking out and armored concrete guide pad and core stake is tightened together after may pass through built-in metal pipe.
The present invention also provides for a kind of core stake guidance method, and one group of armored concrete guide pad is fixed on core stake lower end before comprising the steps: that core stake is inserted after cement earth pile has been constructed by it；Before treating the fully-inserted cement earth pile in core stake upper end, by another organize armored concrete guide pad be fixed near core stake upper end, after core stake is sent to designed elevation, realize core stake guide effect in soil cement with this.
A kind of core stake guidance method, before it comprises the steps: that core stake is inserted after cement earth pile has been constructed, by slip casting rubber bag tank by steel wire rope colligation at core stake lower end, before treating the fully-inserted cement earth pile in core stake upper end, another slip casting rubber bag tank is fixed near core stake upper end by steel wire rope colligation, after core stake is completely forced in cement earth pile, injecting cement mortar by Grouting Pipe makes the increase of rubber bag tank volume be close to undisturbed soil hole wall, realizes core stake guide effect in soil cement with this.
The invention has the beneficial effects as follows: armored concrete guide pad group, slip casting rubber bag tank etc. are installed outside core stake and are similar to the guider of steel bar cage protecting layer and realize core stake guiding in soil cement；It is arranged on the guider circumscribed circle diameter in core stake equal to cement earth pile diameter, according to core stake sectional dimension and cement earth pile diameter, it is only necessary to change the size of guider, number, just can apply this device and realize core stake guiding in different cement earth piles.This device is under the premise not changing original piling machinery, have that cost is low, structural strength is high, processing and fabricating is convenient, core stake concentricity is high, perpendicularity advantages of higher, can Concentricity tolerance and the perpendicularity deviation that core stake is implanted be controlled within 0.5%, it is ensured that the core pile driving construction quality of cement slotting built pile.
Accompanying drawing explanation
Fig. 1 is the core stake guider structural representation being applicable to cement slotting built pile adopting armored concrete guide pad；Fig. 2 is the A-A view of Fig. 1；Fig. 3 is the height H of armored concrete guide pad, width L and thickness M schematic diagram；Fig. 4 is the structural representation of the core stake guider being applicable to cement slotting built pile adopting slip casting rubber bag tank；Fig. 5 is the B-B view of Fig. 4；Fig. 6 is the C-C view of Fig. 4；Fig. 7 is the D-D view of Fig. 6.
In figure: 1-core stake；2-armored concrete guide pad；3-steel wire；4-slip casting rubber bag tank；5-Grouting Pipe；6-pierces one's ears.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described:
Embodiment 1: as shown in Fig. 1 ~ 3, a kind of core stake guider suitable in cement slotting built pile, it includes the armored concrete guide pad group being positioned at core stake about 1 two ends and being evenly arranged along core stake 1 circumferential exterior surface, and armored concrete guide pad group and core stake 1 are fixed together；The maximum outline diameter of core stake 1 of armored concrete guide pad group is installed equal to cement earth pile diameter.Described armored concrete guide pad group is made up of at least three armored concrete guide pad 2, and armored concrete guide pad 2 is the block by concrete poured up at a time, and inside is equipped with framework of steel reinforcement increases its globality.Armored concrete guide pad 2 includes bottom surface, end face, interior facade, alien invasion, two side elevations, and interior facade is suitable with core stake outer surface, and alien invasion includes a vertical plane and the inclined-plane having angle with armored concrete guide pad 2 bottom surface.
As it is shown on figure 3, the width of armored concrete guide pad 2 (the long limit of radial direction of end face) is determined by the relativeness in cement earth pile stake footpath and core stake sectional dimension, make the maximum outline diameter of core stake being provided with armored concrete guide pad group equal to cement earth pile diameter；The depth-width ratio of armored concrete guide pad 2 is 2, and the ratio of the width of armored concrete guide pad 2 and thickness is 2, and namely the height of armored concrete guide pad 2 is 4 with the ratio of thickness；The angle of the inclined-plane in alien invasion and armored concrete guide pad 2 bottom surface is 120 °.The size relativeness of armored concrete guide pad 2 is while ensureing self enough bulk strength, and the resistance making again armored concrete guide pad group importing cement earth pile is less, it is possible to imports smoothly in cement earth pile and ensures guide effect.
The connection of armored concrete guide pad 2 and core stake 1 can adopt multiple connected mode: (1) is when pouring reinforcement concrete guide pad 2, built-in metal pipe in armored concrete guide pad about 2 position, steel wire through after built-in metal pipe by buckle for locking wire, take out compact form wire closure, the mode of U-shape lock realizes end to end and armored concrete guide pad 2 and core stake 1 is tightened together；(2) when pouring reinforcement concrete guide pad 2, prepared screw-bolt hole on armored concrete guide pad 2, hole in core stake 1 simultaneously, by expansion bolt, armored concrete guide pad 2 is fixed in core stake 1.
Embodiment 2: the present embodiment and embodiment 1 something in common repeat no more, it is different in that it is a kind of core stake guidance method, it uses the core stake guider being applicable to cement slotting built pile of 1 in embodiment, armored concrete guide pad 2 is fixed on core stake 1 lower end before comprising the steps: that core stake 1 is inserted after cement earth pile has been constructed by it；Before treating the fully-inserted cement earth pile in core stake 1 upper end, by another organize armored concrete guide pad 2 be fixed near core stake 1 upper end, after core stake 1 is sent to designed elevation, realize the core stake 1 guide effect in soil cement with this.
Embodiment 3: as shown in figs. 4-7, a kind of core stake guider suitable in cement slotting built pile, it includes the slip casting rubber bag tank being positioned at core stake about 1 two ends and arranging along core stake circumferential exterior surface, and slip casting rubber bag tank and core stake 1 are fixed together；The maximum outline diameter of core stake 1 of slip casting rubber bag tank is installed equal to cement earth pile diameter.Described slip casting rubber bag tank can be pressed from both sides the materials such as screen cloth by rubber with high strength fibre cloth, rubber and PVC terylene composite, rubber and TPU and be made, and is the matured product in market, and concrete size can customize according to requirement of engineering.
Rubber bag tank 4 that slip casting rubber bag tank includes circular hollow and the Grouting Pipe 5 connected with rubber bag tank；Rubber bag tank 4 has twice to pierce one's ears 6 for what wear steel wire 3 near core stake 1 side；After slip casting, rubber bag tank 4 is ring-type, is fixed on core stake 1 two ends by steel wire 6 colligations of piercing one's ears.
Embodiment 4: the present embodiment and embodiment 3 something in common repeat no more, it is different in that it is a kind of core stake guidance method, it uses the core stake guider being applicable to cement slotting built pile of 3 in embodiment, before it comprises the steps: that core stake 1 is inserted after cement earth pile has been constructed, by rubber bag tank 4 by steel wire rope colligation at core stake 1 lower end, before treating the fully-inserted cement earth pile in core stake 1 upper end, another rubber bag tank 4 is fixed near core stake upper end by steel wire 3 colligation, after core stake is completely forced in cement earth pile, injecting cement mortar by Grouting Pipe makes the increase of rubber bag tank 4 volume be close to undisturbed soil hole wall, the core stake 1 guide effect in soil cement is realized with this.
It addition, core stake 2 can include hollow preformed pile, solid prefabricated pile, shaped steel etc., it is only necessary to follow the principle changing armored concrete guide pad 2, the size of slip casting rubber bag tank 4, number, just can apply this device and realize the guiding in different cement earth piles.
Claims (7)
1. the core stake guider being applicable to cement slotting built pile, it includes being positioned at the upper and lower two ends of core stake and the armored concrete guide pad group or slip casting rubber bag tank, armored concrete guide pad group or the slip casting rubber bag tank that are evenly arranged along core stake circumferential exterior surface are fixed together with core stake；The maximum outline diameter of core stake of armored concrete guide pad group or slip casting rubber bag tank is installed equal to cement earth pile diameter.
2. the core stake guider suitable in cement slotting built pile according to claim 1, it is characterized in that described armored concrete guide pad group is made up of at least three armored concrete guide pad, armored concrete guide pad is the block by concrete poured up at a time, armored concrete guide pad includes bottom surface, end face, interior facade, alien invasion, two side elevations, interior facade is suitable with core stake outer surface, and alien invasion includes a vertical plane and the inclined-plane having angle with polygon mat bottom surface.
3. the core stake guider suitable in cement slotting built pile according to claim 1, it is characterized in that described slip casting rubber bag tank is to be made by rubber and high strength fibre cloth, or rubber and PVC terylene composite are made, or rubber and TPU press from both sides screen cloth and are made.
4. the core stake guider suitable in cement slotting built pile according to claim 1, it is characterized in that the rubber bag tank that slip casting rubber bag tank includes circular hollow and the Grouting Pipe connected with rubber bag tank, rubber bag tank surface is provided with upper and lower two circles for wearing piercing one's ears of steel wire near core stake side；After slip casting, rubber bag tank is ring-type, and steel wire colligation of piercing one's ears is fixed on core stake two ends.
5. the core stake guider suitable in cement slotting built pile according to claim 1, is characterized in that spare interface on armored concrete guide pad, and expansion bolt may pass through spare interface and armored concrete guide pad and core stake tightened together；Or built-in metal pipe on armored concrete guide pad, steel wire is realized end to end by buckle for locking wire or the mode of compact form wire closure or U-shape lock of taking out and armored concrete guide pad and core stake is tightened together after may pass through built-in metal pipe.
6. a core stake guidance method, is characterized in that it comprises the steps: before core stake insertion, one group of armored concrete guide pad to be fixed on core stake lower end after cement earth pile has been constructed；Before treating the fully-inserted cement earth pile in core stake upper end, by another organize armored concrete guide pad be fixed near core stake upper end, after core stake is sent to designed elevation, realize core stake guide effect in soil cement with this.
7. a core stake guidance method, before it is characterized in that it comprises the steps: that after cement earth pile has been constructed core stake is inserted, by slip casting rubber bag tank by steel wire rope colligation at core stake lower end, before treating the fully-inserted cement earth pile in core stake upper end, another slip casting rubber bag tank is fixed near core stake upper end by steel wire rope colligation, after core stake is completely forced in cement earth pile, injecting cement mortar by Grouting Pipe makes the increase of rubber bag tank volume be close to undisturbed soil hole wall, realizes core stake guide effect in soil cement with this.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277722.0A CN105714825A (en) | 2016-04-28 | 2016-04-28 | Core pile guide device suitable for cemented soil core inserting combination pile and core pile guide method |
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| CN201610277722.0A CN105714825A (en) | 2016-04-28 | 2016-04-28 | Core pile guide device suitable for cemented soil core inserting combination pile and core pile guide method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071109A (en) * | 2016-11-16 | 2018-05-25 | 中国电力科学研究院 | Pile body steel reinforcement cage and the concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness |
| CN113006057A (en) * | 2021-03-09 | 2021-06-22 | 山东省建筑科学研究院有限公司 | Controllable-strength cement-soil combined pile and design method |
| CN115262538A (en) * | 2022-09-01 | 2022-11-01 | 沈晓静 | Concrete pile with circular drum for prefabricated pile foundation structure and construction method thereof |
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| KR20140000861A (en) * | 2012-06-26 | 2014-01-06 | 이종석 | Guide spacer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108071109A (en) * | 2016-11-16 | 2018-05-25 | 中国电力科学研究院 | Pile body steel reinforcement cage and the concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness |
| CN113006057A (en) * | 2021-03-09 | 2021-06-22 | 山东省建筑科学研究院有限公司 | Controllable-strength cement-soil combined pile and design method |
| CN115262538A (en) * | 2022-09-01 | 2022-11-01 | 沈晓静 | Concrete pile with circular drum for prefabricated pile foundation structure and construction method thereof |
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