CN102828511B - Pile tube for immersed tube reinforcement gravel pile driving construction for reinforcing soft foundation - Google Patents
Pile tube for immersed tube reinforcement gravel pile driving construction for reinforcing soft foundation Download PDFInfo
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- CN102828511B CN102828511B CN201210339833.1A CN201210339833A CN102828511B CN 102828511 B CN102828511 B CN 102828511B CN 201210339833 A CN201210339833 A CN 201210339833A CN 102828511 B CN102828511 B CN 102828511B
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Abstract
A pipe body for immersed tube reinforcement gravel pile driving construction for reinforcing a soft foundation consists of a vibration head, a flange, a pipe body, a plurality of valves, a groove-shaped opening, a groove-shaped door and a feed port, wherein the vibration head and the flange which are arranged at the upper part of a vibratory pile hammer are riveted through screws, the flange is welded with the upper end of the pipe body, the bottom end of the pipe body is provided with the valves, and the valves are connected with the bottom end of the pipe body through hinges. The groove-shaped opening is formed in the part which is close to the bottom end of the pipe body, the corresponding groove-shaped door is arranged at the groove-shaped opening, the groove-shaped door is connected with the pipe body through a hinge, and can just cover the groove-shaped opening when being closed, so the integral cylindrical shape of the pipe body can be ensured, grating barrel or broken stones can be put through the groove-shaped opening when the groove-shaped door is opened, and the feed port is formed in the part which is closed to the top end of the pipe body. The pipe body is used for constructing a reinforcement gravel pile, the sides which are adjacent to the top of the pile can be effectively limited to expand and deform, furthermore, the bearing capability of a pile body is improved, and the immersion of the pile top is effectively reduced.
Description
Technical field
The present invention relates to an effective reinforcement hoop the Macadam Pile Construction pile pipe, especially a kind of construction pile pipe for flabbiness ground strengthened immersed tube muscle hoop broken stone pile.
Background technology
When soft foundation is built house, road or other fixation means, first need carry out basement process reinforcing, its object is except raising bearing capacity of foundation soil, minimizing foundation settlement, should also be noted that guarded drainage, particularly non-homogeneous soft soil roadbed to cheuch location, mountain area, draining and difference settlement control become the key of control, and replacement stone pile composite foundation becomes a kind of conventional soft soil roadbed Treating technology thus.Broken stone pile hole forming method mainly contains vibro jetting process and vibration compaction method, and in weak soil, difficulty or ease are shaping because of easy collapse hole for pore-forming, therefore adopts vibration compaction method more suitable.
But vibration ballast pile conventional in engineering is more adapted to loose cohesive soil and sandy soil.Clay content is larger, and shaking of inter-pile soil is close poorer with layer compaction effect.For the saturated soft clay that clay content is large, when adopting vibration ballast pile, shaking of its inter-pile soil is close little with layer compaction effect, the lateral restraint effect of inter-pile soil to broken stone pile is weak, therefore pile head settlement is comparatively large under vertical uniform load q, particularly can there is radial deformation within the scope of certain depth near stake top and bulging destruction or general shear failure easily occur, pile body and bearing capacity of foundation soil are significantly reduced, sedimentation and relative settlement are more difficult to control, and cause final consolidation effect undesirable.
Patent 200620074257.2 discloses a kind of tubular type Reinforced Gravel Pile, and its technical characteristics is common broken stone pile periphery parcel one tubular type geo-grid, forms vertical tube type grating reinforced stone column.After the realization of this broken stone pile needs to utilize conventional pile driving equipment pore-forming, carry out inserting of rubble and adding of tubular type grid again, this just requires that the soil body itself reinforced has certain intensity, formed stake holes can not be out of shape or cave in after extracting immersed tube, but this is bound to occur for the weak soil needed reinforcement, and therefore its construction method exists drawback.
Patent 200920041901.X discloses the variable cross-section broken stone pile of a kind of outer wall parcel geo-grid or fabric sleeve, the shortcomings such as this pile-type exists complex structure, constructional difficulties, and treating depth is limited, and the embodiment announced is indefinite, possibly cannot realize.
Patent 201120199243.4 discloses a kind of grid-type gravel pile, and it adopts the full section of pile body to adopt one to be with the tubbiness grid at the end to carry out reinforcement.According to engineering experience, bulging after broken stone pile is stressed generally all occurs within the scope of the 2m of top, therefore the reinforcement of this pile body is too more than needed, cause waste, simultaneously its construction method is the same with the broken stone pile that patent 200620074257.2 is announced need counterbore after just can carry out the construction of broken stone pile, also there is formed bore deformation or caving in waits possible, and therefore construction method equally exists drawback.
According to the result of use in current engineering, within the scope of the degree of depth 2m of broken stone pile top, utilize geo-grid to carry out reinforcement effects better, oxygen blast cyanidation can fully be controlled, and geo-grid material utilization rate is the highest simultaneously.But just current, the construction adopting which kind of technique to carry out muscle hoop broken stone pile can ensure that formed stake holes is indeformable or subside and ensure the quality of products, again can easy operation few, become problem anxious to be resolved in engineering.
The present invention puts into by the flute profile door making a reservation for arrange from pile pipe side when reinforcing high about about 2.0 meters of top mark when pile pipe bottom distance muscle hoop broken stone pile in vibration pipe-drawing process the sleeve made by geo-grid, and pour into rubble, then continue vibration pipe-drawing and go out ground, form muscle hoop broken stone pile (broken stone pile top is about 2.0m by geo-grid sleeve cuff), common broken stone pile sedimentation under solving Action of Vertical Loads, the shortcoming that oxygen blast cyanidation is large, the bearing capacity of broken stone pile pile body and replacement stone pile composite foundation can be significantly improved, reduce foundation settlement and relative settlement.
Summary of the invention
The present invention will be overcome the deficiencies in the prior art in order to the technical problem solved, propose a kind ofly be easy to operate, the immersed tube muscle hoop the Macadam Pile Construction pile pipe of the strengthening soft foundation of high, the economical rationality of reliability.
The object of the invention is to be achieved through the following technical solutions: this pile pipe is made up of vibration head, flange, body, multi-disc flap valve, flute profile mouth, flute profile door, charging aperture, rivet with screw between the vibrating head part that vibro driver top is established and flange, weld between flange with body upper end, body bottom is with multi-disc flap valve, and gemel connection is passed through in multi-disc flap valve and body bottom.Flute profile mouth is provided with near body bottom end, flute profile mouth place arranges corresponding flute profile door, flute profile door is connected with body by hinge, flute profile door just in time can cover flute profile mouth when closing, the integral barrel profile of body can be ensured, grid cylinder or rubble can be put into from flute profile mouth when opening, be provided with charging aperture near the top of body; Body lower end outside is provided with the shoe of multi-disc flap valve; Described multi-disc flap valve is fixed by the bearing being welded in body Basolateral, can be collapsed into a cone, automatically open so that rubble pours into during tube drawing when immersed tube sinks; The flute profile mouth of wide 0.25 ~ 0.3 times of pipe diameter, high 1.9m is offered at distance 2 ~ 4m place, body bottom; Described flute profile door is connected with body by bearing, and namely flute profile door recovers the complete profile of body after closing, and flute profile door opens the grid cylinder can put into and make; Described body upper end is provided with flange, is riveted by the vibration head of bolt and vibro driver; The flange of pile pipe is steel.
For solving the problems of the technologies described above, the invention provides a kind of construction pile pipe for muscle hoop broken stone pile, this pile pipe is upgraded on the basis of vibration ballast pile machine immersed tube, and structure is simple, easy construction.
Compared with prior art, advantage of the present invention and effect as follows: the stake of constructing by this pile pipe, cuff is carried out by within the scope of broken stone pile stake top 2.0m by placing geo-grid sleeve in body, form muscle hoop broken stone pile, effectively can limit side direction oxygen blast cyanidation near stake top, and then raising bearing capacity of pile, reduce pile head settlement; Geo-grid is effectively utilized, the full section Fill Reinforced With Geogrids ratio of relative broken stone pile, cost-saving; Geo-grid sleeve in the present invention can in factory or on-the-spot batch production, and easy construction is effective; Broken stone pile pile pipe structure for constructing is simple, and construction method is fast and convenient, can not cause hole wall deformation or cave in, and construction quality can effectively be ensured.
Accompanying drawing explanation
Fig. 1 is broken stone pile machine integral installation figure of the present invention;
Fig. 2 is pile pipe schematic diagram of the present invention;
Fig. 3 is grid sleeve schematic diagram of the present invention;
Fig. 4 is the muscle hoop broken stone pile schematic diagram that the present invention has constructed.
In figure: 1-vibro driver; 2-vibration head; 3-flange; 4-body; 5-multi-disc flap valve; 6-flute profile mouth; 7-flute profile door; 8-grid cylinder; 9-charging aperture.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, vibro driver 1 top is provided with vibration head 2, rivet with screw between this vibration head 2 bottom and flange 3, flange 3 is steels, weld with between body 4 upper end, pile pipe bottom is with multi-disc flap valve 5, gemel connection is passed through in multi-disc flap valve 5 and body 4 bottom, can draw in closed when body 4 shakes, the soil body can not enter into body 4, when pulling out on shaking, pushes by the rubble inserted in body 4, multi-disc flap valve 5 can open, and rubble can to enter in stake holes and to shake closely knit.3m place, tube body 4 bottom, be provided with flute profile mouth 6, flute profile mouth bottom distance body 4 bottom 2.0m, height 1.9m, width is 0.25 ~ 0.3 times of body 4 diameter, if corresponding flute profile door 7, flute profile door 7 is connected with body 4 by hinge, just in time can cover flute profile mouth 6 when flute profile door 7 is closed, the integral barrel profile of body 4 can be ensured, when opening, grid cylinder 8 or rubble can be put into from flute profile mouth 6.Be provided with charging aperture 9 near the top of body 4, be convenient to load metaling.
As a kind of reinforcing technique of soft foundation; the pipe range of immersed tube muscle hoop the Macadam Pile Construction pile pipe, caliber and flute profile mouth slotting position may change to some extent according to concrete engineering geological conditions, and therefore protection scope of the present invention is not only confined to the description of the present embodiment.
Claims (2)
1. the immersed tube muscle hoop the Macadam Pile Construction pile pipe of a strengthening soft foundation, this pile pipe is by flange (3), body (4), multi-disc flap valve (5), charging aperture (9) forms, it is characterized in that: on body (4), have one or more than one flute profile mouth (6), flute profile mouth (6) place arranges corresponding flute profile door (7), described flute profile door (7) can cover flute profile mouth (6) when closing, described flute profile door (7) is connected with body (4) by bearing or hinge, flute profile door (7) namely recovers body (4) complete profile after closing, flute profile door (7) opens the grid cylinder (8) put into and make, described multi-disc flap valve (5) is fixed by the bearing of welding with body (4) Basolateral, described body (4) upper end is provided with flange (3), described flange (3) is riveted by the vibration head (2) of bolt and vibro driver (1).
2. the immersed tube muscle hoop the Macadam Pile Construction pile pipe of strengthening soft foundation according to claim 1, it is characterized in that: described grid cylinder (8) adopts geo-grid to be rolled into, grid cylinder (8) external diameter should 20 ~ 30mm less of body (4) internal diameter, is highly 2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210339833.1A CN102828511B (en) | 2012-05-10 | 2012-09-14 | Pile tube for immersed tube reinforcement gravel pile driving construction for reinforcing soft foundation |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144418 | 2012-05-10 | ||
| CN201210144418.0 | 2012-05-10 | ||
| CN2012101444180 | 2012-05-10 | ||
| CN201210339833.1A CN102828511B (en) | 2012-05-10 | 2012-09-14 | Pile tube for immersed tube reinforcement gravel pile driving construction for reinforcing soft foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102828511A CN102828511A (en) | 2012-12-19 |
| CN102828511B true CN102828511B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210339833.1A Expired - Fee Related CN102828511B (en) | 2012-05-10 | 2012-09-14 | Pile tube for immersed tube reinforcement gravel pile driving construction for reinforcing soft foundation |
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| Country | Link |
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| CN (1) | CN102828511B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542081B (en) * | 2017-08-29 | 2020-01-31 | 中冶集团武汉勘察研究院有限公司 | method for installing drainage plate of deep stone-filling site and hole-forming device used in the method |
| CN109629551B (en) * | 2019-02-01 | 2021-02-12 | 河海大学 | Construction process of high polymer broken stone segmented retaining wall permeable pile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088564U (en) * | 1990-12-10 | 1991-11-13 | 宁夏自治区建筑工程研究所 | Crushed stone pile punning device |
| CN1209489A (en) * | 1997-08-22 | 1999-03-03 | 中航勘察设计研究院 | Construction method for composite foundation by tamping expanding piles and compacting soil around piles |
| CN2644509Y (en) * | 2003-07-17 | 2004-09-29 | 北京振冲工程股份有限公司 | Equipment for air blast method construction technology of vibrating immersed tube gravel pile |
| KR100451532B1 (en) * | 2003-12-22 | 2004-10-11 | 석정건설주식회사 | Gravel Bag Pile Construction Method |
| CN200946265Y (en) * | 2006-06-26 | 2007-09-12 | 河海大学 | Vertical tube type grating reinforced stone column |
| CN201007002Y (en) * | 2007-03-07 | 2008-01-16 | 山东省机械施工有限公司 | Fragmental stone composite pile and construction equipment thereof |
| CN202865839U (en) * | 2012-05-10 | 2013-04-10 | 湖南大学 | Pile pipe for strengthening immersed tube reinforced hoop gravel pile construction of soft foundations |
-
2012
- 2012-09-14 CN CN201210339833.1A patent/CN102828511B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088564U (en) * | 1990-12-10 | 1991-11-13 | 宁夏自治区建筑工程研究所 | Crushed stone pile punning device |
| CN1209489A (en) * | 1997-08-22 | 1999-03-03 | 中航勘察设计研究院 | Construction method for composite foundation by tamping expanding piles and compacting soil around piles |
| CN2644509Y (en) * | 2003-07-17 | 2004-09-29 | 北京振冲工程股份有限公司 | Equipment for air blast method construction technology of vibrating immersed tube gravel pile |
| KR100451532B1 (en) * | 2003-12-22 | 2004-10-11 | 석정건설주식회사 | Gravel Bag Pile Construction Method |
| CN200946265Y (en) * | 2006-06-26 | 2007-09-12 | 河海大学 | Vertical tube type grating reinforced stone column |
| CN201007002Y (en) * | 2007-03-07 | 2008-01-16 | 山东省机械施工有限公司 | Fragmental stone composite pile and construction equipment thereof |
| CN202865839U (en) * | 2012-05-10 | 2013-04-10 | 湖南大学 | Pile pipe for strengthening immersed tube reinforced hoop gravel pile construction of soft foundations |
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| Publication number | Publication date |
|---|---|
| CN102828511A (en) | 2012-12-19 |
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Granted publication date: 20150415 Termination date: 20160914 |