CN102720206A - Novel connection structure of prestressed concrete pile and cushion cap - Google Patents
Novel connection structure of prestressed concrete pile and cushion cap Download PDFInfo
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- CN102720206A CN102720206A CN2012102455036A CN201210245503A CN102720206A CN 102720206 A CN102720206 A CN 102720206A CN 2012102455036 A CN2012102455036 A CN 2012102455036A CN 201210245503 A CN201210245503 A CN 201210245503A CN 102720206 A CN102720206 A CN 102720206A
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 230000003014 reinforcing effect Effects 0.000 claims description 55
- 210000003205 muscle Anatomy 0.000 claims description 42
- 230000004323 axial length Effects 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The invention discloses a novel connecting structure of a prestressed concrete pile and a bearing platform, which mainly comprises: the pile cap is arranged around the pile body; the foundation cap is connected with the pile body through the pile cap; the end plate is arranged at the top of the pile body; reinforcing steel bars are arranged on the end plates; one end of the outer wall of the pile body is provided with a thread; the pile body consists of a reinforcement cage and core filling concrete; the reinforcement cage is arranged in the cavity of the pile body; the round steel supporting plate is arranged at the bottom end of the longitudinal bar, and core filling concrete is poured in a cavity of the concrete pile above the round steel supporting plate; the concrete cushion layer is positioned below the foundation bearing platform. The novel connecting structure of the prestressed concrete pile and the bearing platform provided by the invention changes the traditional mode of uplift resistance of the filling core, the pile top is connected with the foundation bearing platform through the pile cap, the novel connecting structure ensures the connection of the prestressed concrete pile and the bearing platform, the novel connecting structure is safer and more reliable, the connecting strength of the bearing platform and the pile top is greatly improved, the processing technology is simple, the engineering cost is saved, the efficiency is high, and the application range is wide.
Description
Technical field
The invention belongs to technical field of buildings, relate in particular to the syndeton of a kind of novel prefabricated concrete stake and cushion cap.
Background technology
Along with the paces of Urbanization in China are accelerated; The development and use of the underground space obtain fast development; Building with resistance to plucking requirement is increasing; The degree of depth is also more and more darker, and the anti-floating problem of the underground space becomes increasingly conspicuous, and runs into the engineering accident that causes owing to the measure of anti float of not considering structure or the improper measures taked through regular meeting in the engineering.Prestressed concrete pile can be controlled the pile body cracking effectively, and it is applied as compressive pile in pile foundation engineering widely, and range of application has progressively expanded the uplift pile basis in recent years.
At present to be connected with cushion cap mainly be to fill out the adhesion stress that the core method increases stake and cushion cap through concrete to prestressed concrete pile, but on when pulling out load action, occur an interior part concrete that pours into sometimes and be pulled out; Stake top is connected inefficacy situation such as (being that connecting reinforcement is pulled or breaks) with cushion cap, a safety that directly jeopardizes building with cushion cap anchoring inefficacy, thereby the security incident of causing.
Summary of the invention
The present invention is directed to exist in existing prestressed concrete pile and the cushion cap method of attachment on when pulling out load action; The part concrete that occurs perfusion in the stake sometimes is pulled out; The stake top is connected inefficacy situation such as (being that connecting reinforcement is pulled or breaks) with cushion cap; Thereby cause shortcomings such as security incident, propose the syndeton of a kind of novel prefabricated concrete stake and cushion cap.
The embodiment of the invention is achieved in that the syndeton of a kind of novel prefabricated concrete stake and cushion cap, and this syndeton comprises prestressed concrete pile body, pile cover, foundation platform, end plate, concrete cushion; Pile cover is arranged on around the pile body, and foundation platform links to each other with pile body through pile cover, and reinforcing cage stretches into cushion cap in the pile cover; Concrete cushion is positioned at the foundation platform below.
Pile body contains reinforcing cage and fills out core concrete, and said reinforcing cage is arranged in the cavity of pile body, and reinforcing cage is indulged muscle by interior inserting; Stirrup and round steel supporting plate are formed; The round steel supporting plate is arranged on the bottom of vertical muscle, is cast with in the cavity of the concrete pile of round steel supporting plate top and fills out core concrete, and the vertical muscle of stake core stretches into foundation platform; One end of pile body outer wall is provided with screw thread, and reinforced steel is set on end plate.
Further, the axial length of screw thread is 500～2500mm, and the degree of depth of the thread of screw thread is 10～30mm.
Further, the stake core is indulged the anchoring requirement that muscle stretches into foundation platform and satisfies reinforcing bar.
Another purpose of the embodiment of the invention is to provide the syndeton of a kind of novel prefabricated concrete stake and cushion cap, it is characterized in that, this syndeton comprises the prestressed concrete pile body, pile cover, foundation platform, end plate and concrete cushion; Pile cover is arranged on around the pile body, and foundation platform links to each other with pile body through pile cover, and reinforcing cage stretches into cushion cap in the pile cover; Concrete cushion is positioned at the foundation platform below.
The prestressed concrete pile body contains reinforcing cage and fills out core concrete, and said reinforcing cage is arranged in the cavity of pile body, and reinforcing cage is indulged muscle by interior inserting; Stirrup and round steel supporting plate are formed; The round steel supporting plate is arranged on the bottom of vertical muscle, is cast with in the cavity of the concrete pile of round steel supporting plate top and fills out core concrete, and the vertical muscle of stake core stretches into cushion cap; One end of pile body outer wall is provided with concave ring groove, and reinforced steel is set on end plate.
Further, the axial length of concave ring groove 11 is 500～2500mm, and groove depth is 10～30mm.
Another purpose of the embodiment of the invention is to provide the syndeton of a kind of prestressed concrete pile and cushion cap, and this syndeton comprises the prestressed concrete pile body, pile cover, foundation platform, end plate and concrete cushion; Pile cover is arranged on around the pile body, and foundation platform links to each other with pile body through pile cover, and reinforcing cage stretches into cushion cap in the pile cover; Concrete cushion is positioned at the foundation platform below;
Prestressed concrete pile body pile body contains reinforcing bar and fills out core concrete, and said reinforcing cage is arranged in the cavity of pile body, and reinforcing cage is indulged muscle by interior inserting; Stirrup and round steel supporting plate are formed; The round steel supporting plate is arranged on the bottom of vertical muscle, is cast with in the cavity of the concrete pile of round steel supporting plate top and fills out core concrete, and the vertical muscle of stake core stretches into cushion cap; One end of pile body outer wall is provided with convex thread, and reinforced steel is set on end plate.
Further, the axial length of convex thread 23 is 500～2500mm, and the degree of depth of the thread of convex thread 23 is 10～30mm.
Further, said reinforced steel and interior slotting vertical muscle should evenly be arranged along the pile body outside, and two reinforcing bars need weld.
Further, the said syndeton scope of application comprises prestressed concrete pipe pile, side's stake; The said core concrete of filling out adopts slightly expanded concrete, and filling out the core concrete strength grade is C25-C40, fills out core length and be pile tube stake footpath or side's stake length of side of 0.5 times of pile tube stake footpath or side's stake length of side to 20 times, and fills out core length and be not less than 0.5m;
The diameter of said round steel supporting plate is less than or equal to the diameter of pile body inner chamber, and round steel supporting plate thickness is not less than 2mm, and the length of said joint bar is confirmed according to design; The quantity of joint bar is 4～30; Diameter is 6mm-50mm, and the diameter of said stirrup is more than or equal to 3mm, and the spacing of stirrup is 40-400mm.
The diameter of said reinforcing bar, material and quantity confirm that according to the requirement of engineering design material can adopt HRB335 or HPB235 reinforcing bar.
The syndeton of novel prefabricated concrete stake provided by the invention and cushion cap; Fill out the traditional approach of core resistance to plucking in having changed; Stake top is connected with foundation platform through pile cover, and this new Joining Structure has guaranteed being connected of prestressed concrete pile and cushion cap, and is more safe and reliable; With improving the bonding strength of cushion cap greatly, be the effective means that solves prestressed concrete pile resistance to plucking weak link with the stake top.This structure processing technology is simple, saves construction costs, and efficient is high, and is applied widely, and market application foreground is widely arranged.
Description of drawings
The structural representation that the novel prefabricated concrete stake that Fig. 1 embodiment of the invention provides is connected with cushion cap;
The structural representation of prestressed concrete pile that Fig. 2 embodiment of the invention provides and cushion cap syndeton;
The structural representation of the ruggedized construction that Fig. 3 embodiment of the invention provides;
The structural representation of the shape of cross section selection scheme of the concave ring groove that Fig. 4 embodiment of the invention provides;
The structural representation of the soil stake outer wall groove selection scheme that Fig. 5 embodiment of the invention provides;
The structural representation of the soil stake outer wall groove selection scheme that Fig. 6 embodiment of the invention provides;
The structural representation of the soil stake outer wall groove selection scheme that Fig. 7 embodiment of the invention provides;
The structural representation of prestressed concrete pile that Fig. 8 embodiment of the invention provides and cushion cap syndeton;
The structural representation of the soil stake outer wall groove selection scheme that Fig. 9 embodiment of the invention provides;
The structural representation of the soil stake outer wall groove selection scheme that Figure 10 embodiment of the invention provides;
The structural representation of the soil stake outer wall groove selection scheme that Figure 11 embodiment of the invention provides;
The structural representation of the soil stake outer wall groove selection scheme that Figure 12 embodiment of the invention provides.
Among the figure: 1, pile body; 2, pile cover; 3, foundation platform; 4, end plate; 5, screw thread; 6, reinforcing cage; 7, fill out core concrete; 8, round steel supporting plate; 9, concrete cushion; 10, reinforced steel; 11, ring groove; 12, rectangular recess; 13, trapezoidal groove; 14, triangular groove A; 15, triangular groove B; 16, circular groove; 17, zigzag groove; 18, broken line constitutes the groove of trough rim; 19, straight line and circular arc line constitute the groove of trough rim; 20, spiral concave ring groove; 21, cross-helicity concave ring groove; 22, pit; 23, convex thread; 24, bulge loop groove; 25, spiral prominence annular groove; 26, cross-helicity bulge loop groove; 27, projection.
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1,2,8 shows the structure of the syndeton of prestressed concrete pile provided by the invention and cushion cap.Only show the part relevant for the ease of explanation with the present invention.Mainly comprising of this syndeton:
Pile cover 2 is arranged on around the pile body 1;
Reinforced steel 10 is set on the end plate 4;
One end of pile body 1 outer wall is provided with screw thread 5;
Reinforcing cage 6 is arranged in the cavity of pile body 1;
Round steel supporting plate 8 is arranged on the bottom of vertical muscle 61, is cast with in the cavity of the concrete pile of round steel supporting plate 8 tops and fills out core concrete 7;
Below three kinds of specific embodiment of this syndeton are elaborated.
Among Fig. 3, shown the structural representation of Fig. 1 side's stake 1 with foundation platform 3 connection cross-section.Get length of side 450mm, the prestressed concrete resistance to plucking side stake of internal diameter 250mm is connected with foundation platform.
Among Fig. 3, shown the structural representation of Fig. 1 pile tube 1 with foundation platform 3 connection cross-section.Cut-off footpath 500mm, the prestressed concrete resistance to plucking pile tube of wall thickness 100mm is connected with foundation platform.
Among Fig. 1, a kind of novel prefabricated concrete stake and cushion cap syndeton () comprise prestressed concrete pile body 1; Pile cover 2, foundation platform 3, end plate 4; Concrete cushion 9, pile cover 2 are arranged on around the pile body 1, and foundation platform 3 links to each other with pile body 1 through pile cover 2; Reinforcing cage stretches into cushion cap and satisfies the anchoring requirement of reinforcing bar in the pile cover, and concrete cushion 9 is positioned at foundation platform 3 belows.Pile body 1 contains reinforcing cage 6 and fills out core concrete 7, and said reinforcing cage 6 is arranged in the cavity of pile body 1, and reinforcing cage 6 is indulged muscle 61 by interior inserting; Stirrup 62 is formed with round steel supporting plate 8, and round steel supporting plate 8 is arranged on the bottom of vertical muscle 61, is cast with in the cavity of the concrete pile of round steel supporting plate 8 tops and fills out core concrete 7; The vertical muscle 61 of stake core does not stretch into foundation platform 3; One end of pile body 1 outer wall is provided with screw thread 5, and the axial length of screw thread 5 is 1000mm, and the degree of depth of the thread of screw thread 5 is 15mm; Another selection scheme of tooth depth is 20mm, and another selection scheme is 25mm.
When the vertical muscle 61 of stake core stretches into foundation platform 3, reinforced steel 10 should be set on end plate 4, vertical muscle 61 satisfies the anchoring requirement of reinforcing bar.
Among Fig. 2, a kind of novel prefabricated concrete stake and cushion cap syndeton (two) comprise prestressed concrete pile body 1; Pile cover 2, foundation platform 3, end plate 4 and concrete cushion 9; Pile cover 2 is arranged on around the pile body 1; Foundation platform 3 links to each other with pile body 1 through pile cover 2, and reinforcing cage stretches into cushion cap and satisfies the anchoring requirement of reinforcing bar in the pile cover, and concrete cushion 9 is positioned at foundation platform 3 belows.Pile body 1 contains reinforcing cage 6 and fills out core concrete 7, and said reinforcing cage 6 is arranged in the cavity of pile body 1, and reinforcing cage 6 is indulged muscle 61 by interior inserting; Stirrup 62 is formed with round steel supporting plate 8, and round steel supporting plate 8 is arranged on the bottom of vertical muscle 61, is cast with in the cavity of the concrete pile of round steel supporting plate 8 tops and fills out core concrete 7; The vertical muscle 61 of stake core does not stretch into cushion cap 3, and is as shown in Figure 2, and the vertical muscle of stake core stretches into cushion cap; One end of pile body 1 outer wall is provided with concave ring groove 11, and the axial length of concave ring groove 11 is 2000mm, and the groove depth of concave ring groove 11 is 20mm; Another selection scheme of groove depth is 15mm, and another selection scheme is 30mm.
When the vertical muscle 61 of stake core stretches into foundation platform 3, reinforced steel 10 should be set on end plate 4, vertical muscle 61 satisfies the anchoring requirement of reinforcing bar.
Among Fig. 3, said reinforced steel 10 should evenly be arranged along the pile body outside with interior slotting vertical muscle 61, and two reinforcing bars need weld.
Among Fig. 4, according to different needs, the shape of cross section of concave ring groove 11 has several kinds of different selections.Scheme one: the shape of cross section of concave ring groove 11 is a rectangle, on the outer wall of pile body 1 one ends, is provided with some rectangular recess 12.Scheme two: the shape of cross section of concave ring groove 11 is trapezoidal; On the outer wall of pile body 1 one ends, be provided with some trapezoidal grooves 13; Angle β between the dual-side of trapezoidal groove 13 is chosen as 30 °, and another of angle β is chosen as 60 °, and another of angle β is chosen as 100 °; The last base of trapezoidal groove 13 and the length ratio between the bottom are 0.2; The last base of trapezoidal groove 13 and the length between the bottom are chosen as 0.6 than another; The last base of trapezoidal groove 13 and the length between the bottom are chosen as 0.9 than another.Scheme three: the shape of cross section of concave ring groove 11 is a triangle, on the outer wall of pile body 1 one ends, is provided with some triangular groove A14 or triangular groove B15.Scheme four: the shape of cross section of concave ring groove 11 is a circular arc, on the outer wall of pile body 1 one ends, is provided with some circular grooves 16.Scheme five: the shape of cross section of concave ring groove 11 is a zigzag, on the outer wall of pile body 1 one ends, is provided with some zigzag grooves 17.Scheme six: the shape of cross section of concave ring groove 11 is provided with the groove 18 that some broken lines constitute trough rim for be made up of the trough rim of groove some straight lines, camber line line segment on the outer wall of pile body 1 one ends.On the outer wall of pile body 1 one ends, be provided with the groove 19 that some straight lines and circular arc line constitute trough rim.
Among Fig. 5, on the end outer wall of pile body 1 spiral concave ring groove 20 is set, the axial length of spiral concave ring groove 20 is 1800mm, and the groove depth of helical groove is 20mm, and another selection scheme of groove depth is 15mm, and another selection scheme is 30mm.
Among Fig. 6, an end outer wall of pile body 1 is provided with cross-helicity concave ring groove 21.
Among Fig. 7, on the end outer wall of pile body 1 some pits 22 are set.
Among Fig. 8, a kind of prestressed concrete pile and cushion cap syndeton sketch map (three) comprise prestressed concrete pile body 1; Pile cover 2, foundation platform 3, end plate 4 and concrete cushion 9; Pile cover 2 is arranged on around the pile body 1; Foundation platform 3 links to each other with pile body 1 through pile cover 2, and reinforcing cage stretches into cushion cap and satisfies the anchoring requirement of reinforcing bar in the pile cover, and concrete cushion 9 is positioned at foundation platform 3 belows.Pile body 1 contains reinforcing cage 6 and fills out core concrete 7, and said reinforcing cage 6 is arranged in the cavity of pile body 1, and reinforcing cage 6 is indulged muscle 61 by interior inserting; Stirrup 62 is formed with round steel supporting plate 8, and round steel supporting plate 8 is arranged on the bottom of vertical muscle 61, is cast with in the cavity of the concrete pile of round steel supporting plate 8 tops and fills out core concrete 7; The vertical muscle 61 of stake core does not go deep into cushion cap 3; One end of pile body outer wall is provided with convex thread 23, and the axial length of convex thread 23 is 1000mm, and the degree of depth of the thread of convex thread 23 is 15mm; Another selection scheme of tooth depth is 20mm, and another selection scheme is 25mm.
When the vertical muscle 61 of stake core stretches into foundation platform 3, reinforced steel 10 should be set on end plate 4, vertical muscle 61 satisfies the anchoring requirement of reinforcing bar.
Among Fig. 9, syndeton is similar with Fig. 2, and main difference is that pile body one end outer wall becomes bulge loop groove 24 by concave ring groove 11.
Among Figure 10, syndeton is similar with Fig. 5, and main difference is that pile body one end outer wall becomes spiral prominence annular groove 25 by spiral concave ring groove 20.
Among Figure 11, syndeton is similar with Fig. 6, and main difference is that pile body one end outer wall becomes cross-helicity bulge loop groove 26 by cross-helicity concave ring groove 21.
Among Figure 12, syndeton is similar with Fig. 7, and main difference is that pile body one end outer wall becomes some protruding holes 27 by some pits 22.
Side's stake 1 said reinforcing cage 6 diameters are 200mm, and vertical muscle 61 length of this reinforcing cage 6 are 3.6m, and diameter is 20mm, and quantity is 4, and the diameter of stirrup 62 is 8mm, and stirrup spacing is 150mm, and reinforced steel 10 diameters are 10mm, and quantity is 3; Thick 4～the 5mm of said round steel supporting plate, diameter is 248～250mm;
Saidly fill out core concrete 7 to adopt intensity be the C40 slightly expanded concrete, filling out core length is 3m.
The novel prefabricated concrete stake that the embodiment of the invention provides and the syndeton of cushion cap; Fill out the traditional approach of core resistance to plucking in having changed; Stake top is connected with foundation platform 3 through pile cover 2, and this new Joining Structure has guaranteed being connected of prestressed concrete pile and cushion cap, and is more safe and reliable; With improving the bonding strength of cushion cap greatly, be the effective means that solves prestressed concrete pile resistance to plucking weak link with the stake top.This structure processing technology is simple, saves construction costs, and efficient is high, and is applied widely, and market application foreground is widely arranged.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the syndeton of novel prefabricated concrete stake and cushion cap is characterized in that this syndeton comprises prestressed concrete pile body, pile cover, foundation platform, end plate, concrete cushion;
Pile body contains reinforcing cage and fills out core concrete, and said reinforcing cage is arranged in the cavity of pile body, and reinforcing cage is indulged muscle by interior inserting; Stirrup and round steel supporting plate are formed; The round steel supporting plate is arranged on the bottom of vertical muscle, is cast with in the cavity of the concrete pile of round steel supporting plate top and fills out core concrete, and the vertical muscle of stake core stretches into foundation platform; One end of pile body outer wall is provided with screw thread, and reinforced steel is set on end plate.
2. syndeton as claimed in claim 1 is characterized in that, the axial length of screw thread 5 is 500～2500mm, and the degree of depth of the thread of screw thread 5 is 10～30mm.
3. syndeton as claimed in claim 1 is characterized in that, the vertical muscle of stake core stretches into foundation platform and satisfies the anchoring requirement of reinforcing bar.
4. the syndeton of novel prefabricated concrete stake and cushion cap is characterized in that this syndeton comprises the prestressed concrete pile body, pile cover, foundation platform, end plate and concrete cushion;
The prestressed concrete pile body contains reinforcing cage and fills out core concrete, and said reinforcing cage is arranged in the cavity of pile body, and reinforcing cage is indulged muscle by interior inserting; Stirrup and round steel supporting plate are formed; The round steel supporting plate is arranged on the bottom of vertical muscle, is cast with in the cavity of the concrete pile of round steel supporting plate top and fills out core concrete, and the vertical muscle of stake core stretches into cushion cap; One end of pile body outer wall is provided with concave ring groove, and reinforced steel is set on end plate.
5. syndeton as claimed in claim 4, the axial length that it is characterized in that concave ring groove 11 is 500～2500mm, groove depth is 10～30mm.
6. the syndeton of prestressed concrete pile and cushion cap is characterized in that this syndeton comprises the prestressed concrete pile body, pile cover, foundation platform, end plate and concrete cushion;
Prestressed concrete pile body pile body contains reinforcing bar and fills out core concrete, and said reinforcing cage is arranged in the cavity of pile body, and reinforcing cage is indulged muscle by interior inserting; Stirrup and round steel supporting plate are formed; The round steel supporting plate is arranged on the bottom of vertical muscle, is cast with in the cavity of the concrete pile of round steel supporting plate top and fills out core concrete, and the vertical muscle of stake core stretches into cushion cap; One end of pile body outer wall is provided with convex thread, and reinforced steel is set on end plate.
7. syndeton as claimed in claim 7 is characterized in that, the axial length of convex thread 23 is 500～2500mm, and the degree of depth of the thread of convex thread 23 is 10～30mm.
8. like claim 1 or 4 or 7 described syndetons, it is characterized in that said reinforced steel and interior slotting vertical muscle should evenly be arranged along the pile body outside, and two reinforcing bars need weld.
9. like claim 1 or 4 or 7 described syndetons, it is characterized in that the said syndeton scope of application comprises pile tube on the prestressed concrete, side's stake; The said core concrete of filling out adopts slightly expanded concrete, and filling out the core concrete strength grade is C25-C40, fills out core length and be pile tube stake footpath or side's stake length of side of 0.5 times of pile tube stake footpath or side's stake length of side to 20 times, and fills out core length and be not less than 0.5m;
The diameter of said round steel supporting plate is less than or equal to the diameter of pile body inner chamber, and round steel supporting plate thickness is not less than 2mm, and the length of said joint bar is confirmed according to design; The quantity of joint bar is 4～30; Diameter is 6mm-50mm, and the diameter of said stirrup is more than or equal to 3mm, and the spacing of stirrup is 40-400mm.The diameter of said reinforcing bar, material and quantity confirm that according to the requirement of engineering design material can adopt HRB335 or HPB235 reinforcing bar.
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| CN2012102455036A CN102720206A (en) | 2012-07-16 | 2012-07-16 | Novel connection structure of prestressed concrete pile and cushion cap |
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| CN2012102455036A CN102720206A (en) | 2012-07-16 | 2012-07-16 | Novel connection structure of prestressed concrete pile and cushion cap |
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| CN114059575A (en) * | 2021-11-23 | 2022-02-18 | 浙江恒宸建设集团有限公司 | Bearing platform and pile foundation connecting structure and construction method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008069514A (en) * | 2006-09-12 | 2008-03-27 | Jfe Steel Kk | Pile head connection structure |
| CN101550703A (en) * | 2009-05-06 | 2009-10-07 | 中国水电顾问集团西北勘测设计研究院 | Method for designing reinforced concrete foundation or pile cap |
| CN101761089A (en) * | 2010-01-08 | 2010-06-30 | 南京工业大学 | Fiber reinforced concrete uplift pile |
| CN101818498A (en) * | 2010-05-13 | 2010-09-01 | 盐城市双强管桩有限公司 | Prestressed reinforced concrete rectangular hollow pile with internal meshing structure and processing method thereof |
| CN102127913A (en) * | 2011-05-04 | 2011-07-20 | 江苏建华管桩有限公司 | Method for connecting concrete pile and bearing platform |
| CN202073110U (en) * | 2011-05-04 | 2011-12-14 | 江苏建华管桩有限公司 | Concrete pile and bearing platform connecting structure |
-
2012
- 2012-07-16 CN CN2012102455036A patent/CN102720206A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008069514A (en) * | 2006-09-12 | 2008-03-27 | Jfe Steel Kk | Pile head connection structure |
| CN101550703A (en) * | 2009-05-06 | 2009-10-07 | 中国水电顾问集团西北勘测设计研究院 | Method for designing reinforced concrete foundation or pile cap |
| CN101761089A (en) * | 2010-01-08 | 2010-06-30 | 南京工业大学 | Fiber reinforced concrete uplift pile |
| CN101818498A (en) * | 2010-05-13 | 2010-09-01 | 盐城市双强管桩有限公司 | Prestressed reinforced concrete rectangular hollow pile with internal meshing structure and processing method thereof |
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Application publication date: 20121010 |