CN201649071U - Unstressing cast-in-place pile - Google Patents

Unstressing cast-in-place pile Download PDF

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Publication number
CN201649071U
CN201649071U CN2010201661047U CN201020166104U CN201649071U CN 201649071 U CN201649071 U CN 201649071U CN 2010201661047 U CN2010201661047 U CN 2010201661047U CN 201020166104 U CN201020166104 U CN 201020166104U CN 201649071 U CN201649071 U CN 201649071U
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cylinder
steel
concrete
reinforcing bar
finish rolling
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霍宏斌
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SI JUNZHE
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SI JUNZHE
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Abstract

The utility model discloses an unstressing cast-in-place pile, which belongs to the technical field of basic construction structure for fixing large scale equipment in construction project, and is applicable to fixation of a wind-driven generator and the like. The unstressing cast-in-place pile comprises a solid or hollow concrete cylindrical body, wherein a plain concrete cylindrical body B is wrapped on a reinforced cylindrical body A in an annular way; and the body comprises a finish rolled reinforcing steel and a bottom ring fixedly integrated into a whole is arranged between an outer cylinder of a galvanized corrugated steel cylinder and an inner cylinder of the galvanized corrugated steel cylinder inserted into the reinforced cylindrical body A; the finish rolled reinforcing steel is stretched after the concrete pouring, so as to pressurize the concrete; and the concrete is under the unstressing status when the load action is normally realized on the upper structure of the wind-driven generator and the like. Due to the adoption of the structure, the whole basic structure can bear the huge bending moment from the upper part high-rise structure, so as to form a more effective concrete reinforcing support base, and further improve the basic supporting force and enhance the huge bending moment resistance effect.

Description

Tensionless filling pile structure
Technical field
The utility model relates to a kind of Tensionless filling pile structure, belong to and utilize the fixedly technical field of the rigidity building structure of main equipment of frame for movement in construction, the construction work, belong to specifically in the building construction project, particularly be used for fixing such as main equipments such as frame or pylons in the geotechnical engineering, and mainly utilize the technical field of the foundation construction structure that the frame for movement of concrete and rigid material forms.
Background technology
At present, fixing for the frame of large-scale or large equipment, pylon comprises wind-driven generator, wind turbine, power line, street lighting and recoil simulator, bridge pad, commercial signboard, speedway signboard, Ski Lift or the like concrete brace foundations that adopt on-the-spot structure more.Because these equipment or device place the open air more, and tall and big heavy, and be directly connected to the reliability of its foundation structure for the influence of different soil properties; Therefore support force and anti-huge bending moment that different foundation structure produces are to have very big difference.
Summary of the invention
The utility model provides a kind of Tensionless filling pile structure, to realize more efficiently reinforced concrete brace foundation, further improves the purpose of base support power and anti-huge bending moment.
The technical solution of the utility model is in order to achieve the above object:
A kind of Tensionless filling pile structure comprises the solid or hollow cylinder that is mainly formed by concrete, it is characterized in that, comprising: steel concrete cylinder A, plain concrete cylinder B, finish rolling reinforcing bar, base ring, zinc-plated ripple steel cylinder urceolus, zinc-plated ripple steel cylinder inner core, stirrup and sleeve pipe;
Described steel concrete cylinder A is the cylindrical-shaped structure that the center is provided with a hollow space, and the columned external surface coaxial rings of this steel concrete cylinder A is covered with plain concrete cylinder B, filling backfill in the described hollow space;
Described zinc-plated ripple steel cylinder urceolus is coaxial to be buried underground between this steel concrete cylinder A and plain concrete cylinder B and closely contacts with it respectively; Coaxial the burying of described zinc-plated ripple steel cylinder inner core is arranged in this steel concrete cylinder A;
Described base ring is that metal material is buried underground and placed in this steel concrete cylinder A, and this base ring is a circular ring structure, and at least one through hole is set on it, and described through hole becomes at least one circumference evenly to be arranged on this base ring;
At least one described finish rolling reinforcing bar is in the described steel concrete cylinder of at least one the circle-shaped equally distributed insertion A and between described zinc-plated ripple steel cylinder urceolus and zinc-plated ripple steel cylinder inner core vertically; Described at least one finish rolling reinforcing bar one end vertically stretches out this steel concrete cylinder A one side end face, in the through hole of the described base ring of insertion that the other end is paired and by nut and fastening the connecting as one of base ring;
This finish rolling reinforcing bar contacts the outer sleeve pipe that is arranged with of part with concrete;
The described excircle that is the circulus of at least one circle-shaped equally distributed finish rolling reinforcing bar formation evenly binds round the stirrup of reining at least one metal material.
This zinc-plated ripple steel cylinder urceolus and zinc-plated ripple steel cylinder inner core are formed by the galvanized steel plain sheet compacting of 2.8-3 millimeter, and the cross section is broken line type, linear pattern or undaform.
This steel concrete cylinder A is the structure that the concrete of C35-C40 label is made; This plain concrete cylinder B is the structure that the concrete of C10-C15 label is made.
This finish rolling reinforcing bar vertically stretches out one side end face 10-15 centimetre of this steel concrete cylinder A.
This finish rolling reinforcing bar is a screw-thread steel; This sleeve pipe is the PVC material, hollow, and interior diameter is greater than finish rolling reinforcing bar external diameter 3-5 millimeter.
A kind of Tensionless filling pile structure comprises the solid or hollow cylinder that is mainly formed by concrete, it is characterized in that, comprising: steel concrete cylinder A, plain concrete cylinder B, finish rolling reinforcing bar, base ring, zinc-plated ripple steel cylinder urceolus, stirrup and sleeve pipe;
Described steel concrete cylinder A is columned solid construction, and the columned external surface coaxial rings of this plain concrete cylinder A is covered with plain concrete cylinder B;
Described zinc-plated ripple steel cylinder urceolus is coaxial to be buried underground between this steel concrete cylinder A and plain concrete cylinder B and closely contacts with it respectively;
Described base ring is that metal material is buried underground and placed in this steel concrete cylinder A, and this base ring is a circular ring structure, and at least one through hole is set on it, and described through hole becomes at least one circumference evenly to be arranged on this base ring;
At least one described finish rolling reinforcing bar is in the described steel concrete cylinder of at least one the circle-shaped equally distributed insertion A vertically and is positioned at described zinc-plated ripple steel cylinder urceolus inboard; Described at least one finish rolling reinforcing bar one end vertically stretches out this steel concrete cylinder A one side end face, in the through hole of the described base ring of insertion that the other end is paired and by nut and fastening the connecting as one of base ring;
This finish rolling reinforcing bar contacts the outer sleeve pipe that is arranged with of part with concrete;
The described excircle that is the circulus of at least one circle-shaped equally distributed finish rolling reinforcing bar formation evenly binds round the stirrup of reining at least one metal material.
This zinc-plated ripple steel cylinder urceolus is formed by the galvanized steel plain sheet compacting of 2.8-3 millimeter, and the cross section is broken line type, linear pattern or undaform.
This steel concrete cylinder A is the structure that the concrete of C35-C40 label is made; This plain concrete cylinder B is the structure that the concrete of C10-C15 label is made.
This finish rolling reinforcing bar vertically stretches out one side end face 10-15 centimetre of this steel concrete cylinder A.
This finish rolling reinforcing bar is a screw-thread steel; This sleeve pipe is the PVC material, hollow, and interior diameter is greater than finish rolling reinforcing bar external diameter 3-5 millimeter.
Adopt the technical solution of the utility model owing to comprise the hollow or solid cylinder body structure that is formed by plain concrete, this structure building is in the middle of the foundation ditch that digs, and the peripheral corrugated steel barrel structure that adopts of cylinder foundation structure makes it become peripheral lining cutting and work plane.Use the backfill of low-intensity plain concrete between corrugated steel barrel structure outside and the excavation face.Adopt hollow form as this structure, ripple steel cylinder inner core and ripple steel cylinder urceolus adopt with one heart and place, backfill among the inner core.Structure bottom pre-buried steel base ring; Post tensioning finish rolling reinforcing bar can evenly be fixed on the base ring according to blower fan tower barrel lower flange pattern.All post tensioning finish rolling reinforcing bars stretch out the foundation structure end face vertically upward, and future and blower fan tower barrel lower flange are fixed by high-strength nut.Finish rolling reinforcing bar middle part contact scope overcoat PVC sleeve pipe or other equivalent material with concrete, makes post tensioning finish rolling reinforcing bar or anchor pole and concrete separating, produces huge pulling force with assurance during to the post tensioning of finish rolling reinforcing bar, and to the huge effect that compresses of concrete generation.Thereby make whole foundation structure can bear the huge bending moment that transmits by the top tall and slender structure,, further improve the effect of foundation structure support force and anti-huge bending moment to produce more efficiently reinforced concrete brace foundation.
Description of drawings
Fig. 1 is the utility model structure preferred embodiment schematic top plan view;
Fig. 2 is the utility model structure preferred embodiment schematic cross-section;
Fig. 3 is another embodiment schematic top plan view of the utility model structure;
Fig. 4 is another embodiment schematic cross-section of the utility model structure.
The number in the figure explanation
1, steel concrete cylinder A
2, plain concrete cylinder B
3, backfill
4, finish rolling reinforcing bar
5, base ring
6, nut
7, zinc-plated ripple steel cylinder urceolus
8, zinc-plated ripple steel cylinder inner core
9, stirrup
10, sleeve pipe
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail as follows.
We know that plain concrete construction promptly is by no muscle or does not dispose the structure that the concrete of steel bar stress is made.Reinforced concrete structure configuration steel bar stress is as the finish rolling reinforcing bar.
As depicted in figs. 1 and 2, structure for a kind of Tensionless filling pile structure preferred embodiment of the utility model, comprise the solid or hollow cylinder that mainly forms by concrete, comprise: high strength reinforced concrete cylinder A1, low-intensity plain concrete cylinder B2, finish rolling reinforcing bar 4, base ring 5, zinc-plated ripple steel cylinder urceolus 7, zinc-plated ripple steel cylinder inner core 8, stirrup 9 and sleeve pipe 10;
The low-intensity plain concrete is meant the concrete of C10 or C15 label, and high strength reinforced concrete is meant the concrete of the above label of C35.
Described steel concrete cylinder A1 is the cylindrical-shaped structure that the center is provided with a hollow space, the cylinder that promptly is equivalent to a hollow, cylindrical upper and lower end face and side are that the high strength plain concrete perfusion of equal thickness or non-equal thickness forms, and the minimum thickness of end face or side can be 1/4th or 1/5th (as Fig. 2) of whole cylinder height; Filling backfill 3 in the described hollow space; The columned external surface coaxial rings of this steel concrete cylinder A1 is covered with plain concrete cylinder B2 (being that steel concrete cylinder A1 and plain concrete cylinder B2 are coaxial), this plain concrete cylinder B2 is the low-intensity plain concrete, plain concrete cylinder B2 cross section is that the right-angle side of two handstand pastes the right-angled triangle at the columniform edge of steel concrete cylinder A1, make steel concrete cylinder A1 and plain concrete cylinder B2 global sections form upper base downward fall trapezoidal state, this state makes structure more stable.
Described zinc-plated ripple steel cylinder urceolus 7 is coaxial to be buried underground between this steel concrete cylinder A1 and plain concrete cylinder B2 and closely contacts with it respectively; Described zinc-plated ripple steel cylinder inner core 8 coaxial burying are arranged in this steel concrete cylinder A1 (being that steel concrete cylinder A1, plain concrete cylinder B2, zinc-plated ripple steel cylinder urceolus 7 and zinc-plated ripple steel cylinder inner core 8 are coaxial), be equivalent to zinc-plated ripple steel cylinder inner core 8 vertically is inserted into opposite side along the side end face of steel concrete cylinder A1 end face as shown in Figure 2, the two ends up and down of zinc-plated ripple steel cylinder inner core 8 are clamped between steel concrete cylinder A1 upper and lower end face and the annular sidewall, and middle part is lived by backfill 3 contacts;
Described base ring 5 is buried underground to place or be embedded into for metal material and is arranged in this steel concrete cylinder A1, be arranged in the plain concrete cylinder A1 near an end (the trapezoidal bottom of going up) for base ring 5 as Fig. 2, this base ring 5 is annulus (or flange disc) structure, (end face) is provided with at least one through hole on it, described through hole becomes at least one circumference (for example single circumference or two circumference, this example is for two circle-shaped) evenly be arranged on respectively on this base ring 5, the extended line that makes adjacent two hole circle heart lines on the different circumference is the center of circle (or axle center) by base ring 5 places all; Be that the via count that is provided with on the different circumference is identical.
At least one described finish rolling reinforcing bar 4 is at least one circumference (for example two circumference) described steel concrete cylinder of the shape equally distributed insertion of difference A1 and between described zinc-plated ripple steel cylinder urceolus 7 and zinc-plated ripple steel cylinder inner core 8 vertically; The extended line that makes adjacent two finish rolling reinforcing bar circle center line connectings on the different circumference is the center of circle (or axle center) by steel concrete cylinder A1 and base ring 5 places all; Be that the finish rolling reinforcing bar number that is provided with on the different circumference is identical.Described at least one (a pair of) finish rolling reinforcing bar 4 (as Fig. 1 or 2) end vertically stretches out this steel concrete cylinder A1 one side end face (for example stretching out end face 10-15 centimetre), and extension and end face junction build-in nut 6 locking finish rolling reinforcing bars 4 are in steel concrete cylinder A1 end; In the through hole of the described base ring 5 of insertion that finish rolling reinforcing bar 4 other ends are paired and by nut and base ring 5 fastening connecting as one;
This finish rolling reinforcing bar 4 contacts the outer sleeve pipe 10 that is arranged with of part (part that finish rolling reinforcing bar middle part contacts with concrete) with concrete; This sleeve pipe 10 is the PVC material, and effect is that the finish rolling reinforcing bar is separated with concrete.The PVC sleeve pipe adopts the PVC material, hollow, and interior diameter is greater than finish rolling reinforcing bar external diameter more than 3 millimeters (for example 3-5 millimeter).
The described excircle (i.e. the circumference of outside finish rolling reinforcing bar 4 formation) that is the circulus of at least one circle-shaped equally distributed finish rolling reinforcing bar 4 formation evenly binds round the stirrup 9 of reining at least one (together) metal material; Stirrup 9 is annular in fact, walks around finish rolling reinforcing bar 4, and material is common 2 grade reinforcing steels.Base ring 5 equally also be up and down fixedly finish rolling reinforcing bar of nut.
This zinc-plated ripple steel cylinder urceolus 7 and zinc-plated ripple steel cylinder inner core 8 are formed by the galvanized steel plain sheet compacting of 2.8-3 millimeter, and the cross section is broken line type, linear pattern or undaform;
This steel concrete cylinder A1 is the structure that the concrete of C35-C40 label is made; This plain concrete cylinder B2 is the structure that the concrete of C10-C15 label is made.
As shown in Figure 3 and Figure 4, structure for a kind of another embodiment of Tensionless filling pile structure of the utility model, comprise the solid or hollow cylinder that mainly forms by plain concrete, comprise: high strength reinforced concrete cylinder A1, low-intensity plain concrete cylinder B2, finish rolling reinforcing bar 4, base ring 5, zinc-plated ripple steel cylinder urceolus 7, stirrup 9 and sleeve pipe 10;
The low-intensity plain concrete is meant the concrete of C10 or C15 label, and high strength reinforced concrete is meant the concrete of the above label of C35.
Described steel concrete cylinder A1 is solid cylindrical-shaped structure, is formed by the perfusion of high strength plain concrete; The columned external surface coaxial rings of this steel concrete cylinder A1 is covered with plain concrete cylinder B2, this plain concrete cylinder B2 is the low-intensity plain concrete, plain concrete cylinder B2 cross section is that the right-angle side of two handstand pastes the right-angled triangle at the columniform edge of steel concrete cylinder A1, make steel concrete cylinder A1 and plain concrete cylinder B2 global sections form upper base downward fall trapezoidal state, this state makes structure more stable.
Described zinc-plated ripple steel cylinder urceolus 7 is coaxial to be buried underground between this steel concrete cylinder A1 and plain concrete cylinder B2 and closely contacts with it respectively; Be equivalent to zinc-plated ripple steel cylinder urceolus 7 along between steel concrete cylinder A1 and the plain concrete cylinder B2 from the vertical other end (trapezoidal upper base) that is inserted into of an end (trapezoidal going to the bottom), also be equivalent to zinc-plated ripple steel cylinder urceolus 7 and be clamped between steel concrete cylinder A1 and the plain concrete cylinder B2;
Described base ring 5 is buried underground to place or be embedded into for metal material and is arranged in this steel concrete cylinder A1, be arranged in the steel concrete cylinder A1 near an end (the trapezoidal bottom of going up) for base ring 5 as Fig. 4, this base ring 5 is annulus (or flange disc) structure, at least one through hole is set on it, described through hole becomes at least one circumference (for example single circumference or two circumference, this example is for two circle-shaped) evenly be arranged on respectively on this base ring 5, the extended line that makes adjacent two hole circle heart lines on the different circumference is the center of circle by base ring 5 places all; Be that the via count that is provided with on the different circumference is identical.
At least one described finish rolling reinforcing bar 4 is at least one circumference (two circumference) shape described steel concrete cylinder of equally distributed insertion A1 interior (and being positioned at zinc-plated ripple steel cylinder urceolus 7 inboards) respectively vertically; The extended line that makes adjacent two finish rolling reinforcing bar circle center line connectings on the different circumference is the center of circle (or axle center) by steel concrete cylinder A1 and base ring 5 places all; Be that the finish rolling reinforcing bar number that is provided with on the different circumference is identical.Described at least one (a pair of) finish rolling reinforcing bar 4 (as Fig. 3 or Fig. 4) end vertically stretches out this steel concrete cylinder A1 one side end face (for example stretching out end face 10-15 centimetre), and extension and end face junction build-in nut 6 locking finish rolling reinforcing bars 4 are in steel concrete cylinder A1 end; In the through hole of the described base ring 5 of insertion that finish rolling reinforcing bar 4 other ends are paired and by nut and base ring 5 fastening connecting as one;
This finish rolling reinforcing bar 4 contacts the outer sleeve pipe 10 that is arranged with of part (part that finish rolling reinforcing bar middle part contacts with concrete) with concrete; This sleeve pipe 10 is the PVC material, and effect is that the finish rolling reinforcing bar is separated with concrete.The PVC sleeve pipe adopts the PVC material, hollow, and interior diameter is greater than finish rolling reinforcing bar external diameter more than 3 millimeters (for example 3-5 millimeter).
The described excircle (i.e. the circumference of outside finish rolling reinforcing bar 4 formation) that is the circulus of at least one circle-shaped equally distributed finish rolling reinforcing bar 4 formation evenly binds round the stirrup 9 of reining at least one (together) metal material; Stirrup 9 is annular in fact, walks around finish rolling reinforcing bar 4, is common 2 grade reinforcing steels.Base ring equally also is nut about in the of 5, fixedly the finish rolling reinforcing bar.
This zinc-plated ripple steel cylinder urceolus 7 is formed by the galvanized steel plain sheet compacting of 2.8-3 millimeter, and the cross section is broken line type, linear pattern or undaform;
This steel concrete cylinder A1 is the structure that the concrete of C35-C40 label is made; This plain concrete cylinder B2 is the structure that the concrete of C10-C15 label is made.
A kind of Tensionless filling pile structure of the utility model is in installing and using, and the zinc-plated steel cylinder of ripple can at first be put into foundation ditch after the ground foundation ditch digs.Finish rolling reinforcing bar and base ring are after the foundation ditch outer set installs, and integral body is put into the zinc-plated steel cylinder of ripple.Last placing of concrete.After concrete casting is good, more than all parts all water and be filled in the concrete, become the permanent part of basic Tensionless filling pile structure.
Inside and outside ripple steel cylinder is concentric placement, and distance is determined by design between inner core and urceolus, generally more than 400 millimeters.Urceolus refers to outer ring ripple steel cylinder, puts into foundation ditch behind excavation of foundation pit.Water outer ring low-intensity plain concrete then, as mentioned above.Again members such as finish rolling reinforcing bar and base ring are put into ripple steel cylinder urceolus the inside, after fixing, put into ripple steel cylinder inner core.Water high strength reinforced concrete (more than the C35) between the inner/outer tube.Ripple inner core the inside is a backfill, as Fig. 1 and Fig. 2 of preferred embodiment.
Fig. 3 and 4 is structures of another embodiment, does not promptly have ripple steel cylinder inner core, has only urceolus, and like this, after finish rolling reinforcing bar and base ring were put into, the urceolus the inside is pouring high strength reinforced concretes (more than the C35) all.There is not the existence of backfill.
The utility model is because pilework comprises the hollow or solid cylinder body structure that is formed by concrete, and pilework is built in the middle of the foundation ditch that digs, and the cylinder pilework is peripheral to be adopted the ripple steel cylinder or squeeze into piling structure, makes it become peripheral lining cutting and work plane.Ripple steel cylinder or squeeze into usefulness low-intensity plain concrete backfill between piling structure outside and the excavation face.Adopt hollow form as pilework, ripple steel cylinder inner core and ripple steel cylinder urceolus or campshed adopt with one heart and place, backfill among the inner core.Bottom, basis pre-buried steel base ring.Post tensioning finish rolling reinforcing bar or anchor pole evenly are fixed on the base ring according to blower fan tower barrel lower flange pattern.All post tensioning finish rolling reinforcing bar or anchor poles stretch out the pilework end face vertically upward, future and blower fan tower barrel lower flange are fixed by high-strength nut, the blower fan tower barrel lower flange is to be provided by blower fan manufacturer, is mode standard, and blower fan manufacturer all has detailed technical descriptioon and drawing for reference.Finish rolling reinforcing bar (or anchor pole) middle part contacts scope overcoat PVC sleeve pipe or other equivalent material with concrete, make post tensioning finish rolling reinforcing bar (or anchor pole) and concrete separating, produce huge pulling force when guaranteeing, and concrete is produced the huge effect that compresses the post tensioning of finish rolling reinforcing bar.Thereby make whole pilework can bear the huge bending moment that transmits by the top tall and slender structure.To produce more efficiently reinforced concrete brace foundation, further improve the effect of base support power and anti-huge bending moment.
It only will above be explanation to the utility model principle.In addition, be easy to carry out numerous modifications and changes, so the utility model should be limited in the accurate structure and operation of shown and description because be familiar with this operator.

Claims (10)

1. Tensionless filling pile structure, comprise the solid or hollow cylinder that mainly forms by concrete, it is characterized in that, comprise: steel concrete cylinder A (1), plain concrete cylinder B (2), finish rolling reinforcing bar (4), base ring (5), zinc-plated ripple steel cylinder urceolus (7), zinc-plated ripple steel cylinder inner core (8), stirrup (9) and sleeve pipe (10);
Described steel concrete cylinder A (1) is provided with the cylindrical-shaped structure of a hollow space for the center, and the columned external surface coaxial rings of this steel concrete cylinder A (1) is covered with plain concrete cylinder B (2), filling backfill (3) in the described hollow space;
Described zinc-plated ripple steel cylinder urceolus (7) is coaxial to be buried underground and is positioned between this steel concrete cylinder A (1) and the plain concrete cylinder B (2) and closely contacts with it respectively; Coaxial the burying of described zinc-plated ripple steel cylinder inner core (8) is arranged in this steel concrete cylinder A (1);
Described base ring (5) is buried underground for metal material and is placed in this steel concrete cylinder A (1), and this base ring (5) is a circular ring structure, and at least one through hole is set on it, and described through hole becomes at least one circle-shaped evenly being arranged on this base ring (5);
At least one described finish rolling reinforcing bar (4) is at least one circle-shaped equally distributed insertion described steel concrete cylinder A (1) vertically and is positioned between described zinc-plated ripple steel cylinder urceolus (7) and the zinc-plated ripple steel cylinder inner core (8); Described at least one finish rolling reinforcing bar (4) one end vertically stretch out this steel concrete cylinder A (1) one side end face, in the through hole of the described base ring of insertion (5) that the other end is paired and by nut and fastening the connecting as one of base ring (5);
This finish rolling reinforcing bar (4) contacts the outer sleeve pipe (10) that is arranged with of part with concrete;
The described excircle that is the circulus of at least one circle-shaped equally distributed finish rolling reinforcing bar (4) formation evenly binds round the stirrup (9) of reining at least one metal material.
2. Tensionless filling pile structure as claimed in claim 1 is characterized in that this zinc-plated ripple steel cylinder urceolus (7) and zinc-plated ripple steel cylinder inner core (8) are formed by the galvanized steel plain sheet compacting of 2.8-3 millimeter, and the cross section is broken line type, linear pattern or undaform.
3. Tensionless filling pile structure as claimed in claim 1 is characterized in that the structure that this steel concrete cylinder A (1) makes for the concrete of C35-C40 label; The structure that this plain concrete cylinder B (2) makes for the concrete of C10-C15 label.
4. Tensionless filling pile structure as claimed in claim 1 is characterized in that this finish rolling reinforcing bar (4) vertically stretches out (1) one side end face 10-15 centimetre of this steel concrete cylinder A.
5. Tensionless filling pile structure as claimed in claim 1 is characterized in that this finish rolling reinforcing bar (4) is a screw-thread steel; This sleeve pipe (10) is the PVC material, hollow, and interior diameter is greater than finish rolling reinforcing bar (4) external diameter 3-5 millimeter.
6. Tensionless filling pile structure, comprise the solid or hollow cylinder that mainly forms by plain concrete, it is characterized in that, comprise: steel concrete cylinder A (1), plain concrete cylinder B (2), finish rolling reinforcing bar (4), base ring (5), zinc-plated ripple steel cylinder urceolus (7), stirrup (9) and sleeve pipe (10);
Described steel concrete cylinder A (1) is columned solid construction, and the columned external surface coaxial rings of this steel concrete cylinder A (1) is covered with plain concrete cylinder B (2);
Described zinc-plated ripple steel cylinder urceolus (7) is coaxial to be buried underground and is positioned between this steel concrete cylinder A (1) and the plain concrete cylinder B (2) and closely contacts with it respectively;
Described base ring (5) is buried underground for metal material and is placed in this steel concrete cylinder A (1), and this base ring (5) is a circular ring structure, and at least one through hole is set on it, and described through hole becomes at least one circle-shaped evenly being arranged on this base ring (5);
At least one described finish rolling reinforcing bar (4) is at least one circle-shaped equally distributed insertion described steel concrete cylinder A (1) vertically and is positioned at described zinc-plated ripple steel cylinder urceolus (7) inboard; Described at least one finish rolling reinforcing bar (4) one end vertically stretch out this steel concrete cylinder A (1) one side end face, in the through hole of the described base ring of insertion (5) that the other end is paired and by nut and fastening the connecting as one of base ring (5);
This finish rolling reinforcing bar (4) contacts the outer sleeve pipe (10) that is arranged with of part with concrete;
The described excircle that is the circulus of at least one circle-shaped equally distributed finish rolling reinforcing bar (4) formation evenly binds round the stirrup (9) of reining at least one metal material.
7. Tensionless filling pile structure as claimed in claim 6 is characterized in that this zinc-plated ripple steel cylinder urceolus (7) is formed by the galvanized steel plain sheet compacting of 2.8-3 millimeter, and the cross section is broken line type, linear pattern or undaform.
8. Tensionless filling pile structure as claimed in claim 6 is characterized in that the structure that this steel concrete cylinder A (1) makes for the concrete of C35-C40 label; The structure that this plain concrete cylinder B (2) makes for the concrete of C10-C15 label.
9. Tensionless filling pile structure as claimed in claim 6 is characterized in that this finish rolling reinforcing bar (4) vertically stretches out (1) one side end face 10-15 centimetre of this steel concrete cylinder A.
10. Tensionless filling pile structure as claimed in claim 6 is characterized in that this finish rolling reinforcing bar (4) is a screw-thread steel; This sleeve pipe (10) is the PVC material, hollow, and interior diameter is greater than finish rolling reinforcing bar (4) external diameter 3-5 millimeter.
CN2010201661047U 2010-04-22 2010-04-22 Unstressing cast-in-place pile Ceased CN201649071U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812842A (en) * 2010-04-22 2010-08-25 霍宏斌 Tensionless filling pile structure
CN102493476A (en) * 2011-12-06 2012-06-13 南京国电南自新能源工程技术有限公司 Post-tensioned prestressing pier foundation structure
CN102733407A (en) * 2011-04-01 2012-10-17 上海同济启明星科技发展有限公司 Two-ring grouted single pile foundation
CN102828507A (en) * 2011-06-13 2012-12-19 常雷 Construction method and special hole former for large-diameter cast-in-situ concrete composite pile
CN103334447A (en) * 2013-07-24 2013-10-02 霍宏程 Tension-free filling pile structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812842A (en) * 2010-04-22 2010-08-25 霍宏斌 Tensionless filling pile structure
WO2011131062A1 (en) * 2010-04-22 2011-10-27 斯君哲 Pouring pile structure without tension
CN102733407A (en) * 2011-04-01 2012-10-17 上海同济启明星科技发展有限公司 Two-ring grouted single pile foundation
CN102828507A (en) * 2011-06-13 2012-12-19 常雷 Construction method and special hole former for large-diameter cast-in-situ concrete composite pile
CN102828507B (en) * 2011-06-13 2015-11-25 常雷 The construction treating methods of major diameter cast-in-situ concrete composite pile
CN102493476A (en) * 2011-12-06 2012-06-13 南京国电南自新能源工程技术有限公司 Post-tensioned prestressing pier foundation structure
CN103334447A (en) * 2013-07-24 2013-10-02 霍宏程 Tension-free filling pile structure
CN103334447B (en) * 2013-07-24 2015-09-16 霍宏程 Tensionless filling pile structure

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