CN111794227A - Anti-pulling hoop type anchor rod static pressure pile device and construction method - Google Patents
Anti-pulling hoop type anchor rod static pressure pile device and construction method Download PDFInfo
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- CN111794227A CN111794227A CN202010791282.7A CN202010791282A CN111794227A CN 111794227 A CN111794227 A CN 111794227A CN 202010791282 A CN202010791282 A CN 202010791282A CN 111794227 A CN111794227 A CN 111794227A
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- pile
- hoop
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- static pressure
- pulling
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses an anti-pulling hoop type anchor rod static pressure pile device and a construction method, and the device comprises an upper tray beam, a pile pressing reaction frame, a steel pipe pile, pile pressing holes, a temporary hoop and a jack, wherein a plurality of groups of pile pressing holes are formed in the upper tray beam, the pile pressing reaction frame is arranged above the pile pressing holes, the steel pipe pile is vertically arranged in the pile pressing holes, the bottom of the steel pipe pile extends to the inner cavity of the pile pressing holes, the jack is arranged below the pile pressing reaction frame, the steel pipe pile is connected with the upper tray beam through the jack, the temporary hoop is sleeved on the outer surface of the steel pipe pile, and the temporary hoop is fixedly connected with the upper part of the steel pipe pile. According to the invention, the uplift hoop type anchor rod static pressure pile device is designed to provide uplift force for construction, and an uplift pile is not required to be additionally arranged, so that the disturbance to the original foundation is small; meanwhile, the structure counterweight is not needed additionally, the workload is reduced, the operation is easy, and the construction is simple and convenient.
Description
Technical Field
The invention relates to the technical field, in particular to an anti-pulling hoop type anchor rod static pressure pile device and a construction method.
Background
The anchor rod static pressure pile is an anchor rod anchoring pile pressing frame anchored in an original foundation or a new underpinning structure, counter force is provided by utilizing the dead weight of an upper structure to implement pile pressing, and a pile foundation is pressed in sections to reinforce the original foundation.
The principle of the anchor rod static pressure pile is that the counter force is provided by utilizing the self weight of an upper structure near a pile pressing point, a small-section pile foundation is pressed in, no additional counter weight is needed to provide the pile pressing counter force, and the load transfer process and the stress performance are clear. Its advantages are simple machine, easy operation, simple construction, high reliability and wide application.
However, in some buildings with smaller volume or in the case that the dead weight of the pile pressing point is smaller than the pile pressing force, the static pressure pile cannot be pressed into a specified depth by simply relying on the dead weight of the structure, and the upper structure can be lifted during pile pressing. The conventional method for solving the problem is to balance the weight of the structure and additionally increase the gravity of a pile pressing point to meet the requirement of pile pressing force, the method for balancing the weight has the disadvantages of large workload and complex operation, and under the condition of small indoor clearance, the method cannot be applied to large-scale machine type auxiliary operation, influences the pile pressing efficiency and loses the original advantages of the anchor rod static pressure pile.
Disclosure of Invention
The invention aims to provide an anti-pulling anchor ear type anchor rod static pressure pile device and a construction method, aiming at the unfavorable condition that the pile pressing force is greater than the self weight of a pile pressing point, which possibly causes the lifting of an upper structure, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an anti-pulling staple bolt formula stock static pressure pile device, contains tray roof beam, pile-pressing reaction frame, steel-pipe pile, pile-pressing hole, interim staple bolt and jack, multiunit pile-pressing hole has been seted up in the tray roof beam of going up, pile-pressing hole top is equipped with pile-pressing reaction frame, the steel-pipe pile is located perpendicularly the pile-pressing is downthehole, the bottom of steel-pipe pile extends to the inner chamber in pile-pressing hole, pile-pressing reaction frame below is equipped with the jack, the steel-pipe pile passes through the jack and is connected with last tray roof beam, the surface at the steel-pipe pile is adorned to interim staple bolt suit, the upper portion fixed connection of interim staple bolt and steel-pipe pile.
Preferably, the upper tray beam is of a concrete beam structure, and reinforcing steel bars are bound inside the upper tray beam.
Preferably, the pile pressing reaction frame comprises a cross beam, a stand column, a positioning plate and a chain rope, wherein the cross beam is arranged above the upper tray beam, the stand column is arranged at two ends below the cross beam, the chain rope is arranged in the middle of the lower portion of the cross beam, the positioning plate is arranged below the chain rope, two ends of the positioning plate are arranged in the stand column, and a jack is arranged in the middle of the lower surface of the positioning plate.
Preferably, the stand is located pile pressing hole top both sides, the bottom of stand is provided with the base, the base passes through the stock and fixes on last tray roof beam.
Preferably, two ends of the chain rope are respectively fixedly connected with the lower surface of the cross beam and the upper surface of the positioning plate through the lifting hook.
Preferably, a plurality of pin holes are sequentially formed in the surface of the stand column from top to bottom, positioning holes are formed in the surfaces of the two ends of the positioning plate corresponding to the pin holes, and the positioning holes are fixedly connected with the pin holes through bolts.
Preferably, interim staple bolt includes first semicircle staple bolt, second semicircle staple bolt and card strip, first semicircle staple bolt and second semicircle staple bolt surface middle part all is equipped with perpendicularly and blocks the strip.
Preferably, the first semicircular hoop and the second semicircular hoop are of a convex structure, and two ends of the first semicircular hoop and two ends of the second semicircular hoop are fixedly connected through fixing bolts.
A construction method of an anti-pulling hoop type anchor rod static pressure pile comprises the following steps:
step 1: constructing an upper tray beam, and reserving pile pressing holes to achieve maintenance strength;
step 2: installing a pile pressing reaction frame;
and step 3: preparing a cross beam, an upright post, a positioning plate, a chain rope and a jack on the pile pressing reaction frame in place;
and 4, step 4: pressing the steel pipe pile into foundation soil by using a jack;
and 5: and (5) disassembling the pile pressing reaction frame to the adjacent pile foundation to continue pile pressing, repeating the steps from step 2 to step 5 until the pile pressing is in place, and pouring concrete into the pile.
Compared with the prior art, the invention has the beneficial effects that:
according to the anti-pulling hoop type anchor rod static pressure pile device and the construction method, anti-pulling force is provided for construction, an anti-pulling pile does not need to be additionally arranged, and disturbance to an original foundation is small; meanwhile, the structure counterweight is not needed additionally, the workload is reduced, the operation is easy, and the construction is simple and convenient.
Drawings
FIG. 1 is an overall structure diagram of a pile driver;
FIG. 2 is a construction structure view of an upper pallet beam;
FIG. 3 is a ready to place view of the press fitting device;
FIG. 4 is a structure diagram of adjacent pile foundation pile presses;
fig. 5 is a schematic plan view of the temporary hoop.
In the figure: 1-mounting a pallet beam; 2-pile pressing reaction frame; 3-steel pipe pile; 4-pressing a pile hole; 5-temporary hoop holding; 6-a jack; 201-a cross beam; 202-upright post; 203-a positioning plate; 204-a tether; 205-a base; 206-anchor rod; 207-hook; 208-positioning holes; 209-pin hole; 501-a first semicircular hoop; 502-a second semicircular hoop; 503-card strip; 504-fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: an anti-pulling anchor ear type anchor rod static pressure pile device comprises an upper tray beam 1, a pile pressing reaction frame 2, a steel pipe pile 3, pile pressing holes 4, a temporary anchor ear 5 and a jack 6, wherein the upper tray beam 1 is in a concrete beam form, reinforcing steel bars are bound inside the upper tray beam 1, the pile pressing holes 4 are reserved to form a reinforced concrete structure, a plurality of groups of pile pressing holes 4 are formed in the upper tray beam 1, the pile pressing reaction frame 2 is arranged above the pile pressing holes 4, the pile pressing reaction frame 2 comprises a cross beam 201, a stand column 202, a positioning plate 203 and a chain rope 204, the cross beam 201 is arranged above the upper tray beam 1, the stand column 202 is arranged at two ends below the cross beam 201, the chain rope 204 is arranged in the middle part below the cross beam 201, the positioning plate 203 is arranged at two ends in the stand column 202, the jack 6 is arranged in the middle part of the lower surface of the positioning plate 203, the stand column 202 is arranged at two sides above the pile pressing holes 4, a base 205 is arranged at the bottom, the two ends of the chain rope 204 are respectively fixedly connected with the lower surface of the cross beam 201 and the upper surface of the positioning plate 203 through the lifting hooks 207, the surface of the upright column 202 is sequentially provided with a plurality of pin holes 209 from top to bottom, the surface of the two ends of the positioning plate 203 is provided with positioning holes 208 corresponding to the pin holes 209, the positioning holes 208 and the pin holes 209 are fixedly connected through bolts, when the positioning plate 203 needs to be fixed, the positioning holes 208 and the pin holes 209 are fixed through bolts, the steel pipe pile 3 is vertically arranged in the pile pressing hole 4, the bottom of the steel pipe pile 3 extends to the inner cavity of the pile pressing hole 4, a jack 6 is arranged below the pile pressing reaction frame 2, the steel pipe pile 3 is connected with the upper pallet beam 1 through the jack 6, the temporary hoop 5 is sleeved on the outer surface of the steel pipe pile 3, the temporary hoop 5 is fixedly connected with the upper part of the steel pipe pile 3, the temporary hoop 5 comprises a first semicircular hoop 501, a second semicircular hoop 502 and a clamping strip 503, the middle parts of, first semicircle staple bolt 501 is "protruding type" structure with second semicircle staple bolt 502, and first semicircle staple bolt 501 passes through fixing bolt 504 fixed connection with second semicircle staple bolt 502 both ends, utilizes the part that card strip 503 stretches out to block tray beam 1.
Application method
During the use, reserve pressure stake hole 4 at last tray roof beam 1, use pressure stake reaction frame 2 through pressure stake hole 4, impress steel-pipe pile 3 in the foundation soil under last tray roof beam 1 to use interim staple bolt 5 suit in the surface of steel-pipe pile 3 and steel-pipe pile 3 fixed connection, utilize adjacent pile foundation to promote the counter-force as uplift pile and continue the pile pressing.
The method comprises the following steps:
step 1: constructing the upper pallet beam 1, and reserving pile pressing holes 4 to achieve maintenance strength;
step 2: installing a pile pressing reaction frame 2;
and step 3: pile pressing equipment is ready to be in place;
and 4, step 4: pressing the steel pipe pile 3 into foundation soil;
and 5: and (5) disassembling the pile pressing reaction frame 2 to the adjacent pile foundation, continuing pile pressing, repeating the steps 2 to 5 until the pile pressing is in place, and pouring concrete into the pile.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an anti-pulling staple bolt formula stock static pressure stake device which characterized in that: contain tray beam (1), pile-pressing reaction frame (2), steel-pipe pile (3), pile-pressing hole (4), interim staple bolt (5) and jack (6), it has seted up multiunit pile-pressing hole (4) in tray beam (1) to go up, pile-pressing hole (4) top is equipped with pile-pressing reaction frame (2), steel-pipe pile (3) are located perpendicularly in pile-pressing hole (4), the bottom of steel-pipe pile (3) extends to the inner chamber in pile-pressing hole (4), pile-pressing reaction frame (2) below is equipped with jack (6), steel-pipe pile (3) are connected with last tray beam (1) through jack (6), the surface at steel-pipe pile (3) is adorned to interim staple bolt (5) suit, interim staple bolt (5) and the upper portion fixed connection of steel-pipe pile (3).
2. The anti-pulling hoop-type anchor rod static pressure pile device according to claim 1, wherein: go up tray roof beam (1) and be concrete beam structure, the inside ligature of going up tray roof beam (1) has the reinforcing bar.
3. The anti-pulling hoop-type anchor rod static pressure pile device according to claim 1, wherein: pile pressing reaction frame (2) include crossbeam (201), stand (202), locating plate (203) and chain rope (204), crossbeam (201) are located go up tray roof beam (1) top, stand (202) are located crossbeam (201) below both ends, crossbeam (201) below middle part is equipped with chain rope (204), chain rope (204) below is equipped with locating plate (203), locating plate (203) both ends are located in stand (202), locating plate (203) lower surface middle part is equipped with jack (6).
4. The anti-pulling hoop-type anchor rod static pressure pile device according to claim 3, wherein: the pile pressing device is characterized in that the upright columns (202) are arranged on two sides above the pile pressing holes (4), a base (205) is arranged at the bottom of each upright column (202), and the base (205) is fixed on the upper tray beam (1) through anchor rods (206).
5. The anti-pulling hoop-type anchor rod static pressure pile device according to claim 3, wherein: and two ends of the chain rope (204) are respectively fixedly connected with the lower surface of the cross beam (201) and the upper surface of the positioning plate (203) through a lifting hook (207).
6. The anti-pulling hoop-type anchor rod static pressure pile device according to claim 3, wherein: a plurality of pinhole (209) have been seted up in proper order from last to down on stand (202) surface, locating plate (203) both ends surface corresponds pinhole (209) department and is equipped with locating hole (208), locating hole (208) with pinhole (209) pass through bolt fixed connection.
7. The anti-pulling hoop-type anchor rod static pressure pile device according to claim 1, wherein: the temporary hoop (5) comprises a first semicircular hoop (501), a second semicircular hoop (502) and clamping strips (503), and the clamping strips (503) are vertically arranged in the middle of the outer surfaces of the first semicircular hoop (501) and the second semicircular hoop (502).
8. The anti-pulling hoop-type anchor rod static pressure pile device according to claim 7, wherein: the first semicircular hoop (501) and the second semicircular hoop (502) are of a convex structure, and the two ends of the first semicircular hoop (501) and the second semicircular hoop (502) are fixedly connected through a fixing bolt (504).
9. A construction method of a hoop-type anchor static pressure pile against pulling, which adopts the hoop-type anchor static pressure pile against pulling device of the claims 1-8, characterized in that the method comprises the following steps:
step 1: constructing the upper pallet beam (1), and reserving a pile pressing hole (4) to achieve maintenance strength;
step 2: installing a pile pressing reaction frame (2);
and step 3: a cross beam (201), an upright post (202), a positioning plate (203), a chain rope (204) and a jack (6) on the pile pressing reaction frame (2) are ready to be in place;
and 4, step 4: the steel pipe pile (3) is pressed into foundation soil by a jack (6);
and 5: and (4) disassembling the pile pressing reaction frame (2) to the adjacent pile foundation to continue pile pressing, repeating the step (2) to the step (5) until the pile pressing is in place, and pouring concrete into the pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010791282.7A CN111794227A (en) | 2020-08-07 | 2020-08-07 | Anti-pulling hoop type anchor rod static pressure pile device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010791282.7A CN111794227A (en) | 2020-08-07 | 2020-08-07 | Anti-pulling hoop type anchor rod static pressure pile device and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111794227A true CN111794227A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010791282.7A Withdrawn CN111794227A (en) | 2020-08-07 | 2020-08-07 | Anti-pulling hoop type anchor rod static pressure pile device and construction method |
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| Country | Link |
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| CN (1) | CN111794227A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502156A (en) * | 2020-11-23 | 2021-03-16 | 上海建工二建集团有限公司 | Obstacle-removing and pile-pressing integrated anchor rod static pressure pile machine and construction method thereof |
| CN114960635A (en) * | 2022-06-09 | 2022-08-30 | 中交第二航务工程勘察设计院有限公司 | Implanted steel pipe pile self-anchoring structure and construction method thereof |
-
2020
- 2020-08-07 CN CN202010791282.7A patent/CN111794227A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502156A (en) * | 2020-11-23 | 2021-03-16 | 上海建工二建集团有限公司 | Obstacle-removing and pile-pressing integrated anchor rod static pressure pile machine and construction method thereof |
| CN114960635A (en) * | 2022-06-09 | 2022-08-30 | 中交第二航务工程勘察设计院有限公司 | Implanted steel pipe pile self-anchoring structure and construction method thereof |
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Application publication date: 20201020 |
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| WW01 | Invention patent application withdrawn after publication |