CN102127909B - Construction method and device for preventing plastic tube concrete pile from bending deflection - Google Patents
Construction method and device for preventing plastic tube concrete pile from bending deflection Download PDFInfo
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- CN102127909B CN102127909B CN2011100043662A CN201110004366A CN102127909B CN 102127909 B CN102127909 B CN 102127909B CN 2011100043662 A CN2011100043662 A CN 2011100043662A CN 201110004366 A CN201110004366 A CN 201110004366A CN 102127909 B CN102127909 B CN 102127909B
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Abstract
The invention relates to a construction method and device for preventing a plastic tube concrete pile from bending deflection. The device comprises a plurality of tube rib unit bodies and external thread connectors (5), wherein the tube rib unit bodies are connected with each other by the external thread connectors (5); the tube rib unit bodies are formed in such a manner that steel tube sections and connection ribs are arranged at intervals; the adjacent steel tube section and rib are welded and fixed; internal threads are arranged in steel tubes at the two ends; the connection ribs are vertical connection ribs (2) or oblique connection ribs (4); the length of the connection ribs is equal to or doubles that of the steel tube sections; and the external diameter of the steel tube sections is less than the internal diameter of a plastic tube. According to different driven depth of the plastic tube (12), the tube rib unit bodies can be spliced by the external thread connectors (5) and the steel tube sections which are arranged at the ends of the tube rib unit bodies and are provided with the internal threads in such a manner that the internal and external threads are connected and then are inserted into the plastic tube (12), thus ensuring the forming quality of the plastic tube concrete pile and not affecting the construction speed of the plastic tube concrete pile, and the cost is saved and the tube rib unit bodies are convenient to dismantle.
Description
Technical field
The present invention relates to a kind of job practices that improves pile quality, particularly a kind of plastic sleeve concrete pile prevents technology and the job practices that pile body is crooked in formation of pile.
Background technology
At present; Widen at speedway, high-speed railway, highway, in the treatment of soft foundation engineering such as municipal administration, airport, embankment dam, retaining wall; The now general reinforcement system that adopts has: the vertical reinforcement of pile formula system has that speed of application is fast, advantages such as obvious processing effect and good stability; Plastic sleeve concrete pile holds formula embankment reinforcement system; Because plastic sleeve concrete pile is the minor diameter rigid pile, compares with traditional tube-sinking cast-in-situ pile, prestressed concrete pipe pile and cement mixing pile and to have advantages such as speed of application is fast, the unit price bearing capacity is high, consolidation effect is remarkable.The plastic bushing that plastic sleeve concrete pile adopts is that inside and outside wall all is screw-shaped PVC plastic pipe, and this kind PVC plastic pipe can be crooked, and have certain ring stiffness; Before setting, the PVC plastic pipe is connected into and the dark consistent plastic sleeve of stake, an end is connected to form semi-enclosed hollow cylinder with the stake point; The plastic sleeve that will have the stake point is then put into the steel immersed tube from the steel immersed tube bottom that immersed tube sets machine, and stake point and stake bit alignment begin to set the steel immersed tube; In pipe, carry out water filling after waiting to get to projected depth; Begin after water filling finishes to pull out the steel immersed tube, but plastic sleeve stays in the ground together with the stake point, after immersed tube is extracted; Telephone-moving is in place to next stake position, treats that a certain zone sets after the completion collective's fluid concrete pile that draws water again.Plastic sleeve concrete pile can produce certain influence to the plastic sleeve that has set in work progress, what this worker's method adopted is a method pile that overlaps the minor diameter plastic sleeve and enlarge the stake point in the outer major diameter steel immersed tube, and all soil of stake exists scratches earlier reaming; Plastic sleeve does not contact with the peripheral soil body, treat that immersed tube is extracted after, the distortion of certain elastic return can take place in the soil body between tube; But it is less to recover deflection; Make plastic sleeve can not closely contact with surrounding soil, cause plastic sleeve and the tube between soil exist certain clearance, the existence in gap very easily causes plastic sleeve under the deadweight effect, to occur bending and deformation; Afterwards along with the fixed influence that sets with adjacent studs of the deadweight of the soil body; Certain recovery distortion can take place again in the soil body between tube, because the soil body is an anisotropy between tube, causes the inhomogeneities that soil recovers between tube; Make plastic sleeve in the soil body, occur bending and deformation once more, pile foundation can produce certain flexural deformation to the plastic sleeve that has set equally in moving process.The bending of plastic sleeve can influence concrete casting quality of later stage, causes concrete a certain knee in tube to stop up, and makes the bottom blank phenomenon occur, has had a strong impact on the supporting capacity of pile body, and engineering is caused certain harm.In order to solve this kind phenomenon; Usually adopt expansion stake footpath to reduce the long mode of stake in the engineering; But can cause pile spacing to strengthen, reduce treatment effect, and need to increase the PVC plastic pipe ring stiffness, reduced the crooking ability of plastic pipe; Make difficulty of construction increase greatly, and increased construction cost.
Therefore, need badly at present and seek a kind of speed of application and pile quality of can guaranteeing and do not increase construction cost again and can prevent that job practices measure that pile body bends from seeming very important in work progress.
Summary of the invention
The object of the invention overcomes above-mentioned defective exactly, and a kind of diastrophic job practices of plastic sleeve concrete pile body that prevents is provided.
Another object of the present invention provides a kind of diastrophic device of plastic sleeve concrete pile body that prevents.The objective of the invention is to realize through following technical scheme:
Prevent the diastrophic device of plastic sleeve concrete pile; It is characterized in that comprising pipe rib cell cube and male connection; Connect through male connection between a plurality of pipe rib cell cubes, described pipe rib cell cube is provided with by lengths of steel pipes and connection rib compartment of terrain, and all welding is fixing between adjacent lengths of steel pipes and the connection rib; The lengths of steel pipes that is positioned at two ends is provided with internal thread, forms the internal thread tube connector.
The aforesaid diastrophic device of plastic sleeve concrete pile that prevents is characterized in that described connection rib is that quantity is more than one steel plate, and is fixing with adjacent lengths of steel pipes welding.
The aforesaid diastrophic device of plastic sleeve concrete pile that prevents is characterized in that described connection rib is vertical connection rib or oblique connection rib.
The aforesaid diastrophic device of plastic sleeve concrete pile that prevents is characterized in that described connection rib and lengths of steel pipes are isometric or is two double-lengths of lengths of steel pipes.
Before prevent the diastrophic device of plastic sleeve concrete pile, it is characterized in that the internal diameter of described lengths of steel pipes external diameter less than plastic bushing.
Prevent the diastrophic job practices of plastic sleeve concrete pile, it is characterized in that comprising the steps:
(1), utilize first pipe rib cell cube of boom hoisting lifting, move to the place, stake position that sets plastic bushing, treat will manage immediately after immersed tube is extracted the rib cell cube and insert in the plastic sleeve, expose outside the plastic sleeve until the lengths of steel pipes of only being left the end;
(2), will block the space between the connection rib that pipe inserts the lengths of steel pipes below, will manage the rib cell cube and be stuck in the plastic sleeve mouth of pipe, the installation male connection;
(3), second pipe of lifting rib cell cube, manage the mode that the tapped lengths of steel pipes in rib cell cube end screws through internal and external threads by male connection and first and be connected;
(4), will block pipe and extract out, transfer first, second pipe rib cell cube that connects as one;
(5), repeating step (2), (3), till the pipe rib cell cube that connects exceeds the plastic sleeve that sets, form the anti-bending protection tube of plastic sleeve concrete pile body;
(6), move boom hoisting to the next one and set stake position repeating step extremely, accomplish the diastrophic Unit Installation work of plastic sleeve concrete pile that prevents that pile foundation sets the influence area;
(7), demolishing process and the installation process accomplished by the card pipe are opposite.
The aforesaid diastrophic job practices of plastic sleeve concrete pile that prevents is characterized in that described connection rib is that quantity is more than one steel plate, and is fixing with the lengths of steel pipes welding, and described connection rib is vertical connection rib or oblique connection rib.
The aforesaid diastrophic job practices of plastic sleeve concrete pile that prevents is characterized in that described connection rib and lengths of steel pipes are isometric or is two double-lengths of lengths of steel pipes that described lengths of steel pipes external diameter is less than the internal diameter of plastic bushing.
The present invention adopts connection rib and lengths of steel pipes ways of connecting at interval; Alleviated the weight of pipe rib cell cube; Insert in the plastic sleeve concrete pile after adopting male connection with a plurality of pipe rib cell cubes splicings, the flexural deformation of the plastic sleeve of avoiding setting, the pile body of controlling simultaneously behind the pile tilts; Guarantee verticality; Guarantee the pile quality of plastic casing on-site concrete pile, and do not influenced the normal construction speed of plastic sleeve concrete pile, solved a difficult problem in the plastic sleeve concrete pile construction.
Device of the present invention all has applicability to the plastic sleeve of different construction depths, and dismounting only needs 2 people to accomplish, and easy construction, operation easier are little, have improved efficient; And pipe rib cell cube can reuse; Saved rolled steel dosage, reduced cost, having avoided prior art to use with the isometric whole steel pipe of pile body needs to mend length or cut the weakness reason according to the different depth of PVC plastic bushing; The complex operation that brings, cost height, problem poor for applicability.
The part connection rib is the resistance to overturning that oblique connection rib can guarantee pipe rib cell cube; Because the slenderness ratio of pipe rib cell cube is excessive; Can cause it under action of gravity, self bending deformation to take place; Through the connection transition of oblique connection rib, make the slenderness ratio of its pipe rib cell cube reduce 1 times, prevented its bending deformation.
Adopt homemade pipe rib cell cube boom hoisting; Avoided using crane to manage the assembly unit and the dismounting of rib cell cube; The anti-bending protection tube fitting operation of plastic sleeve concrete pile body cost is reduced greatly, and it is to adopt shaped steel to connect assembly unit through bolt that the steel work frame adopts, and is convenient to disassembled for transport; And be provided with scroll wheel in its bottom, made things convenient for the scene displacement of pipe rib cell cube boom hoisting.
According to the different depth of the plastic sleeve that sets, can through the internal and external threads ways of connecting a plurality of pipe rib cell cubes be stitched together with the tapped lengths of steel pipes of male connection with pipe rib cell cube end, and easy accessibility.
Description of drawings
Fig. 1 is a pipe rib cell cube constructional drawing;
Fig. 2 is the male connection sectional drawing;
Fig. 3 is the partial schematic diagram that male union connects the tapped lengths of steel pipes of two pipe rib cell cubes;
Fig. 4 is a pipe rib cell cube boom hoisting structural representation;
Fig. 5 is a boom hoisting mounting pipe rib cell cube sketch map;
Fig. 6 is the online sketch map that concerns between plastic sleeve and the PVC plastic bushing joint;
Fig. 7 is the anti-bending protection tube assembling of a plastic sleeve concrete pile body sketch map.
Among the figure: ERW, the oblique connection rib of 4-, 5-male connection, the light-duty hoist engine of 6-, 7-steel work frame, 8-pulley, 9-scroll wheel, 10-loads, 11-card pipe, 12-plastic sleeve, 13-PVC plastic bushing joint, 14-stake point among 1-internal thread tube connector, the vertical connection rib of 2-, the 3-.
The specific embodiment
With reference to shown in Figure 1; The anti-bending protection tube of a kind of plastic sleeve concrete pile body; Be made up of pipe rib cell cube and male connection 5, the two ends of wherein managing the rib cell cube respectively are that an internal thread tube connector 1, internal thread tube connector 1 connect ERWs 3 through vertical connection rib 2, between the ERW 3 through oblique connection rib 4 connections; Guarantee the resistance to overturning of pipe rib cell cube, tiltedly connection rib 4 is become by the steel plate gas cutting.The vertical length of the connection rib 2 and inner thread tube connector is isometric or be the latter's twice wherein; Middle ERW 3 is thin-walled welding pipe with internal thread tube connector 1, and is the latter's two double-lengths, and external diameter is than the little 5 ~ 10mm of average diameter of plastic sleeve 12, and the length of inner thread tube connector 1 adopts the integral multiple meter of 0.5m or 0.5m.With reference to Fig. 2, shown in 3, according to the different depth of the plastic sleeve that sets 12, can through the internal and external threads ways of connecting a plurality of pipe rib cell cubes be stitched together with the internal thread tube connector 1 of male connection 5 with pipe rib cell cube end, and easy accessibility.Vertically connection rib 2 is become by the steel plate gas cutting; Cut away along its length and the wide rectangle of middle ERW 3 wall thickness at its symmetry place, both ends; As shown in Figure 1; ERW 3 consumptions during vertically the use of connection rib 2 can reduce, thus the weight of managing the rib cell cube alleviated, the construction of convenient pipe rib cell cube.
With reference to shown in Figure 4; Boom hoisting is by the chassis, be installed in steel work frame 7 on the chassis, be arranged on the scroll wheel 9 of tray bottom; Be arranged on the pulley 8 of frame top, the middle part, chassis is provided with hoist engine 6, and loads 10 is placed with counterpoise in the rear portion; Guarantee the stable of whole device; The sling height of steel work frame 7 is greater than the length sum of pipe rib cell cube and inner thread tube connector 1, and the distance between will considering suspension hook and pipe rib cell cube being connected, thereby accurately confirms the design height of steel work frame 7.The rib cell cube is lifted by crane, installation and removal to managing to use pipe rib cell cube boom hoisting, can adapt to the plastic sleeve concrete pile of different depth.
Utilize the work progress of the anti-bending protection tube of boom hoisting installation plastic sleeve concrete pile body following:
With reference to Fig. 5,6, shown in 7, first pipe rib cell cube of boom hoisting lifting, move to the plastic sleeve 12 that just sets behind the tube drawing near; The adjustment boom hoisting overlaps managing the axial line of rib cell cube with the plastic sleeve 12 that sets basically, will manage the rib cell cube and insert in the plastic sleeve 12; When pipe rib cell cube is exposed sleeve 12 tops near the internal thread tube connector 1 of upper end; Utilize card to manage the space between the connection rib of 11 insertion lengths of steel pipes belows, the tube port position that pipe rib cell cube is stuck in plastic sleeve 12 is fixed, and lifts by crane second pipe rib cell cube; First pipe rib cell cube is connected through male connection 5 with second pipe rib cell cube; Rod iron 11 is extracted out, continued to transfer second pipe rib cell cube group to the suitable degree of depth, by that analogy; Pipe rib cell cube until connecting as one exceeds the plastic sleeve 12 that sets, and accomplishes the installation work that whole pile foundation sets the anti-bending protection tube of single wall screw plastic casing concrete pile body in the influence area.
Treat that pile foundation sets the position apart from (promptly away from the position of driving piles) behind the about 10 times of pile spacings in position of having driven piles; Dismantle after with boom hoisting the anti-bending protection tube of single wall screw plastic casing concrete pile body being winched to certain altitude from the plastic sleeve 12 that has set; Unloading process is similar with installation process; That is: with card pipe 11 penult pipe rib cell cube is stuck in mouth of pipe top, the pipe rib cell cube of dismounting final section, and and the like the pipe rib cell cube dismounting that will connect.
The above-mentioned specific embodiment does not limit technical scheme of the present invention in any form, and the technical scheme that mode obtained that every employing is equal to replacement or equivalent transformation all drops on protection scope of the present invention.
Claims (8)
1. prevent the diastrophic device of plastic sleeve concrete pile; It is characterized in that comprising pipe rib cell cube and male connection (5); Connect through male connection (5) between a plurality of pipe rib cell cubes, described pipe rib cell cube is provided with by lengths of steel pipes and connection rib compartment of terrain, and all welding is fixing between adjacent lengths of steel pipes and the connection rib; The lengths of steel pipes that is positioned at two ends is provided with internal thread, forms internal thread tube connector (1).
2. the diastrophic device of plastic sleeve concrete pile that prevents according to claim 1 is characterized in that described connection rib is that quantity is more than one steel plate, and is fixing with adjacent lengths of steel pipes welding.
3. the diastrophic device of plastic sleeve concrete pile that prevents according to claim 1 is characterized in that described connection rib is vertical connection rib (2) or oblique connection rib (4).
4. the diastrophic device of plastic sleeve concrete pile that prevents according to claim 1 is characterized in that described connection rib and lengths of steel pipes are isometric or is two double-lengths of lengths of steel pipes.
5. the diastrophic device of plastic sleeve concrete pile that prevents according to claim 1 is characterized in that the internal diameter of described lengths of steel pipes external diameter less than plastic bushing.
6. one kind based on the described job practices that prevents the diastrophic device of plastic sleeve concrete pile of claim 1, it is characterized in that comprising the steps:
Step 1, utilize boom hoisting to play swing pipe rib cell cube, move to the place, stake position that sets plastic bushing, treat that immersed tube extracts;
Step 2, will manage the rib cell cube immediately and insert in the plastic sleeve (12);
Step 3, expose outside the plastic sleeve (12) until the lengths of steel pipes of remaining end only;
Step 4, will block the space between the connection rib that pipe (11) inserts the lengths of steel pipes below, will manage the rib cell cube and be stuck in plastic sleeve (12) mouth of pipe;
Step 5, installation male connection (5);
Step 6, the next pipe of lifting rib cell cube, the mode of screwing through internal and external threads by a male connection (5) and a last tapped lengths of steel pipes in pipe rib cell cube end is connected;
Step 7, will block pipe (11) and extract out, transfer two pipe rib cell cubes that connect as one;
Step 8, repeating step three till the pipe rib cell cube that connects exceeds the plastic sleeve (12) that sets, form the anti-bending protection tube of plastic sleeve concrete pile body to step 7;
Step 9, utilize boom hoisting to play swing pipe rib cell cube; Move boom hoisting to the next one and set the stake position; After treating that immersed tube is extracted, repeating step two is accomplished the diastrophic Unit Installation work of plastic sleeve concrete pile that prevents that pile foundation sets the influence area to step 8;
Step 10, opposite: penult pipe rib cell cube is stuck in the plastic sleeve mouth of pipe with card pipe (11) by the demolishing process and the installation process of card pipe (11) completion; Dismantle last pipe rib cell cube, and the pipe rib cell cube that the rest may be inferred will connect dismounting.
7. the job practices that prevents the diastrophic device of plastic sleeve concrete pile according to claim 6; It is characterized in that described connection rib is that quantity is more than one steel plate; Fixing with the lengths of steel pipes welding, described connection rib is vertical connection rib (2) or oblique connection rib (4).
8. the job practices that prevents the diastrophic device of plastic sleeve concrete pile according to claim 6 is characterized in that described connection rib and lengths of steel pipes are isometric or is two double-lengths of lengths of steel pipes that described lengths of steel pipes external diameter is less than the internal diameter of plastic bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100043662A CN102127909B (en) | 2011-01-11 | 2011-01-11 | Construction method and device for preventing plastic tube concrete pile from bending deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100043662A CN102127909B (en) | 2011-01-11 | 2011-01-11 | Construction method and device for preventing plastic tube concrete pile from bending deflection |
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| Publication Number | Publication Date |
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| CN102127909A CN102127909A (en) | 2011-07-20 |
| CN102127909B true CN102127909B (en) | 2012-11-28 |
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| CN2011100043662A Active CN102127909B (en) | 2011-01-11 | 2011-01-11 | Construction method and device for preventing plastic tube concrete pile from bending deflection |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103993597B (en) * | 2014-05-23 | 2015-12-09 | 上海森信建设工程有限公司 | A kind of high accuracy vertical pillars stake construction method |
| CN109972619B (en) * | 2019-01-17 | 2023-12-08 | 福建省大地管桩有限公司 | Spiral pile-discharging device applying force by means of ground and pile-discharging method thereof |
| CN110331721A (en) * | 2019-07-26 | 2019-10-15 | 北京北控光伏科技发展有限公司 | One kind is for the fixed device of hollow pipe concrete pile tip |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1284588A (en) * | 1999-08-15 | 2001-02-21 | 宋兰芳 | Corrugated formwork pipe for concrete pile |
| CN201358456Y (en) * | 2009-02-25 | 2009-12-09 | 河海大学 | Plastic sleeve concrete pile |
| CN101644048A (en) * | 2009-06-03 | 2010-02-10 | 广东省航盛建设集团有限公司 | Slurry injection technique of sleeve valve tube of cloth bag |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6051222A (en) * | 1983-08-30 | 1985-03-22 | Nippon Kokan Kk <Nkk> | Cast-in-place steel tubular concrete pile |
| JPS6421117A (en) * | 1987-07-15 | 1989-01-24 | Fujita Corp | Upper pile reinforcing work for pc pile |
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2011
- 2011-01-11 CN CN2011100043662A patent/CN102127909B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1284588A (en) * | 1999-08-15 | 2001-02-21 | 宋兰芳 | Corrugated formwork pipe for concrete pile |
| CN201358456Y (en) * | 2009-02-25 | 2009-12-09 | 河海大学 | Plastic sleeve concrete pile |
| CN101644048A (en) * | 2009-06-03 | 2010-02-10 | 广东省航盛建设集团有限公司 | Slurry injection technique of sleeve valve tube of cloth bag |
Non-Patent Citations (2)
| Title |
|---|
| JP昭60-51222A 1985.03.22 |
| JP昭64-21117A 1989.01.24 |
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