CN214993767U - Anchor rod static pressure steel pipe pile pressing structure - Google Patents
Anchor rod static pressure steel pipe pile pressing structure Download PDFInfo
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- CN214993767U CN214993767U CN202121072384.XU CN202121072384U CN214993767U CN 214993767 U CN214993767 U CN 214993767U CN 202121072384 U CN202121072384 U CN 202121072384U CN 214993767 U CN214993767 U CN 214993767U
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Abstract
The application discloses stock static pressure steel-pipe pile structure, including seting up at subaerial foundation ditch, pour the concrete base member in the foundation ditch, and pre-buried steel casing in the concrete base member, be fixed with the stock on the concrete base member, the one end that the concrete base member was kept away from to the stock is connected with counter-force pile structure, the perisporium of steel casing is provided with the shaped steel bracket, the shaped steel bracket is located the concrete base member, the perisporium of steel casing is provided with the anchor peg, the anchor peg is located the concrete base member. This application is through welding shaped steel bracket, anchor peg, stagnant water steel sheet, fixed steel sheet on the perisporium of steel sleeve, and reinforcing structures and waterproof measure such as construction bed course, waterproof layer, water proof layer before concreting the base member have improved the stability of being connected between steel sleeve and concrete base member, reduce not hard up and seepage, guarantee pile foundation construction quality's effect.
Description
Technical Field
The application relates to the field of building construction, in particular to an anchor rod static pressure steel pipe pile pressing structure.
Background
Buildings, particularly high-rise buildings, or bridge works, etc., must have a firm foundation. With the rapid development of the building industry in China, the foundation and pile foundation reinforcement construction technology is also developed rapidly, and the pile foundation bearing capacity of a high-rise building can not meet the design requirement due to the fact that the pile foundation displacement and the quality defect of the pile foundation occur frequently because of complicated geology or improper construction.
In order to improve the bearing capacity of the pile foundation, in the related technology, the pile foundation is often constructed by adopting an anchor rod static pressure steel pipe technology, anchor rods are preset on a concrete base body, steel pipe pile pressing holes are reserved, a steel sleeve is pre-embedded in the concrete base body, a counter-force pile pressing structure is connected by utilizing the preset anchor rods, the steel pipe pile is pressed into the steel sleeve, finally, the steel pipe pile and the steel sleeve are fixedly connected, the pile is sealed, the steel pipe pile is fixedly connected with the concrete base body, the perpendicularity of the steel pipe pile is controlled by utilizing the steel sleeve, and further, the bearing capacity of the pile foundation is improved.
In view of the above-mentioned related technologies, the inventor found that most of steel sleeves are directly embedded in a concrete matrix, and the steel sleeves and the concrete matrix are not connected with each other, and when a steel pipe pile is pressed into the steel sleeve, a large impact force is applied between the steel sleeve and the concrete matrix, so that the problems of looseness between the steel sleeve and the concrete matrix, deformation of the steel sleeve, leakage at a post-pile-pressing position, and the like are caused.
SUMMERY OF THE UTILITY MODEL
In order to solve because the atress produces not hard up steel casing deformation, the problem of back pile pressing position seepage between steel casing and the concrete base member, this application provides an anchor rod static pressure steel-pipe pile structure of pressing.
The application provides a pair of stock static pressure steel-pipe pile pressing structure adopts following technical scheme:
the utility model provides an anchor rod static pressure steel-pipe pile pressing structure, includes sets up at subaerial foundation ditch, pours concrete base member in the foundation ditch and pre-buried steel casing pipe in the concrete base member: the anchor rod is fixed on the concrete base body, one end, far away from the concrete base body, of the anchor rod is connected with a counter-force pile pressing structure, the peripheral wall of the steel sleeve is provided with a profile steel corbel, the profile steel corbel is located in the concrete base body, the peripheral wall of the steel sleeve is provided with an anchoring stud, and the anchoring stud is located in the concrete base body.
Through adopting above-mentioned technical scheme, during the construction, measure and emit back pressure steel tubular pile position and steel casing position line, at the position installation steel casing that has measured, at the pre-buried stock of steel casing both sides, pour the concrete base member, the welding has shaped steel bracket and anchor toggle pin on the perisporium of steel casing, the lower extreme of shaped steel bracket, anchor toggle pin and stock is fixed in the concrete base member, the upper end of stock is connected with counter-force pile-pressing structure, counter-force pile-pressing structure impresses the steel-pipe pile in the steel casing. The connection strength between the steel sleeve and the concrete base body is improved by utilizing the profile steel corbel and the anchoring stud, so that the problems of deformation of the steel sleeve, leakage of a post-pile pressing position and the like are solved.
Optionally, the profile steel bracket is H-shaped steel, and the profile steel bracket is uniformly welded on the peripheral wall of the steel sleeve.
By adopting the technical scheme, the profile steel bracket welded on the circumferential wall of the steel sleeve is H-shaped steel, and the anchoring studs are welded on the circumferential wall at the bottom of the steel sleeve.
Optionally, a water stop steel plate is fixed to the circumferential wall of the steel sleeve, and the water stop steel plate is located in the concrete matrix.
By adopting the technical scheme, the water stop steel plate is welded on the peripheral wall of the steel sleeve, and the water stop steel plate is positioned in the concrete matrix, so that the leakage hidden danger between the steel sleeve and the concrete matrix is reduced, and the connection between the steel sleeve and the concrete matrix is reinforced.
Optionally, a water stop strip is arranged on the steel sleeve and attached to the peripheral wall of the bottom of the steel sleeve, and the water stop strip is located in the concrete matrix.
By adopting the technical scheme, the water stop strip is attached to the peripheral wall of the bottom of the steel sleeve, and the water stop strip is positioned in the concrete matrix of the steel sleeve, so that the leakage hidden danger between the steel sleeve and the concrete matrix is further reduced.
Optionally, a cushion layer is poured on the foundation pit, a fixed steel plate is welded on the circumferential wall of the bottom end of the steel sleeve, and the fixed steel plate is fixedly connected with the cushion layer.
Through adopting above-mentioned technical scheme, pour the bed course on the foundation ditch, the bed course has improved the construction condition on foundation ditch surface, is favorable to pouring of concrete base member and pre-buried of steel casing pipe, and the fixed steel sheet of welding has been fixed on the perisporium of steel casing pipe bottom, and fixed steel sheet and bed course fixed connection have promoted fixed effect between steel casing pipe and the concrete, guarantee pile-pressing precision.
Optionally, a waterproof layer is arranged on the cushion layer, and the waterproof layer covers the joint between the fixed steel plate and the cushion layer.
Through adopting above-mentioned technical scheme, lay the waterproof layer on the bed course, the waterproof layer covers in the junction of fixed steel sheet and bed course, plays waterproof effect to both junctions.
Optionally, a waterproof protective layer is arranged on the waterproof layer.
Through adopting above-mentioned technical scheme, pour the water proof coating on the waterproof layer, the water proof coating improves water-proof effects, and then the stability between guarantee concrete base member and the steel casing pipe.
Optionally, the reaction pile pressing structure includes a reaction frame connected with the anchor rod, a reaction beam arranged on the reaction frame, a jack mounted on the reaction beam, and an electric block mounted on the reaction frame, wherein a piston of the jack corresponds to the position of the steel casing pipe.
By adopting the technical scheme, the reaction frame is erected on the concrete matrix, the reaction cross beam is erected on the reaction frame, the jack is installed on the reaction cross beam, the piston of the jack acts on the steel pipe pile, and the steel pipe pile is pressed into the steel sleeve. An electric hoist is arranged in the middle of the transverse top of the reaction frame to control the lifting of the reaction beam.
Optionally, the reaction frame is provided with a plurality of pin holes along the vertical direction, pins are installed in the pin holes, and the reaction beam is connected with the reaction frame through the pins.
Through adopting above-mentioned technical scheme, set up a plurality of pinholes along vertical direction at the reaction frame, utilize the bolt cooperation in pin and pinhole to fix the reaction beam on the reaction frame, realize not the fixed of co-altitude, make the design more reasonable.
Optionally, the stock includes the body of rod to and the threaded mounting is in buried bolt in advance on the body of rod, buried bolt is located in the concrete base, the body of rod is worn out the concrete base and with the reaction frame links to each other.
Through adopting above-mentioned technical scheme, the lower extreme of stock is pour in the concrete base member, and the concrete base member is worn out to the upper end and is linked to each other with the reaction frame, erects the counter-force pile pressing structure on the concrete base member, at the lower extreme screw thread installation buried bolt in advance of the body of rod, has increased the stability of stock installation on the concrete base member, utilizes the stock to connect the reaction frame, improves the stability of being connected between reaction frame and concrete base member.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through welding on the perisporium of steel casing pipe shaped steel bracket and anchor stud, during the use, measure, emit back compression steel tubular pile position and steel casing pipe position line, at the position installation steel casing pipe that has measured, at the pre-buried stock of steel casing pipe both sides, then the construction concrete base member, make the shaped steel bracket, the lower extreme of anchor stud and stock fix in the concrete base member, the upper end of stock is connected with the counter-force pile pressing structure, the counter-force pile pressing structure is impressed the steel-pipe pile in the steel casing pipe. The connection strength between the steel sleeve and the concrete is improved by utilizing the section steel corbels and the anchoring studs, and larger load can be borne during pile pressing;
2. the structural steel brackets welded on the peripheral wall of the steel sleeve are made of H-shaped steel, the structural steel brackets are positioned in four directions of the same plane, and the anchoring bolts are welded on the peripheral wall of the bottom of the steel sleeve;
3. through setting up stagnant water steel sheet, sealing strip on the steel casing, measures such as construction waterproof layer, water proof coating before concreting the matrix have reduced the seepage hidden danger between steel casing and concrete matrix, play the reinforcing action to the fixed between steel casing and the concrete matrix simultaneously.
Drawings
Fig. 1 is a schematic view of a pile of an embodiment of the present application.
Fig. 2 is a schematic diagram of a concrete matrix embedded steel casing according to an embodiment of the present application.
FIG. 3 is a schematic section A-A of a steel casing according to an embodiment of the present application.
Fig. 4 is a schematic view of an embedded anchor rod according to an embodiment of the present application.
Description of reference numerals: 1. a foundation pit; 2, a concrete matrix; 3. a counter-force pile pressing structure; 4. a packaging structure; 5. fixing a steel plate; 6. an expansion screw; 7. an anchor rod; 8. steel casing; 9. a section steel corbel; 10. anchoring the stud; 11. a water stop steel plate; 12. a water stop bar; 13. a cushion layer; 14. a waterproof layer; 15. a waterproof protective layer; 16. short reinforcing steel bars; 17. adhesive tape paper; 31. a reaction frame; 32. a counter-force beam; 33. a jack; 34. an electric hoist; 35. a pin hole; 36. a pin; 71. a rod body; 72. and (6) embedding the bolts.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses anchor rod static pressure steel-pipe pile pressing structure.
Referring to fig. 1 and 2, an anchor rod static pressure steel pipe pile pressing structure comprises a foundation pit 1 which is arranged on the ground, a concrete base body 2 is poured in the foundation pit 1, a steel sleeve 8 and an anchor rod 7 are vertically pre-buried in the concrete base body 2, the lower end of the anchor rod 7 is fixed on the upper end face of the concrete base body 2, the upper end of the anchor rod is connected with a counter-force pile pressing structure 3, and the counter-force pile pressing structure 3 is used for static pressure steel pipe piles to press the steel pipe piles into the steel sleeve 8.
Referring to fig. 2 and 3, the steel sleeve 8 is provided with a steel corbel 9, an anchoring stud 10, a water stop steel plate 10 and a water stop strip 11. The steel section brackets 9 are H-shaped steel with the diameter of H150 multiplied by 200 multiplied by 12mm and are welded on the peripheral wall of the steel sleeve 8, preferably, the number of the steel section brackets 9 is 16, wherein each group of the steel section brackets 9 is 4, each group of the steel section brackets 9 is evenly distributed on the same plane, and each group of the steel section brackets is equidistantly distributed along the axial direction of the steel sleeve 8. The anchor stud 10 is welded to the peripheral wall of the bottom of the steel casing 8. The water stop steel plate 5 is annular, the water stop steel plate 10 is welded on the peripheral wall of the middle position of the axis of the steel sleeve 8, and the water stop strip 11 is annular and is attached to the peripheral wall of the bottom of the steel sleeve 8. Shaped steel bracket 9, anchor stud 10, stagnant water steel sheet 10 and sealing rod 11 are located concrete base member 2, have improved the fixed effect between steel casing pipe 8 and concrete base member 2, ensure the pile-driving precision.
In order to enhance the waterproof performance between the steel sleeve 8 and the concrete matrix 2, before the concrete matrix 2 is poured, a cushion layer 13 is poured on the foundation pit 1, a fixed steel plate 5 is welded on the peripheral wall of the bottom end of the steel sleeve 8, the fixed steel plate 5 is annular, an expansion screw 6 is in threaded fit with the fixed steel plate 5, the fixed steel plate 5 is fixed on the cushion layer 13 through 6M 12 expansion screws 6, and then the part of the expansion screw 6, which is higher than the fixed steel plate 5, is cut off. A waterproof layer 27 is laid on the cushion layer 26, preferably, the waterproof layer 27 is an SBS coiled material, the waterproof layer 27 covers the joint of the fixed steel plate 5 and the cushion layer 13, a waterproof protective layer 28 is poured on the waterproof layer 27, and preferably, the waterproof protective layer 28 is fine aggregate concrete. The waterproof effect is improved, and the stability between the concrete matrix 2 and the steel sleeve 8 is further guaranteed.
Referring to fig. 1 and 4, anchor rods 7 are embedded in the concrete matrix 2, the anchor rods 7 are distributed on two sides of the steel sleeve 8, and short steel bars 16 are connected between the anchor rods 7. The anchor rod 7 comprises a rod body 71 and embedded bolts 72, screw openings are formed in the upper end and the lower end of the rod body 71, the embedded bolts 72 are in threaded connection with the lower end of the rod body 71, and when the concrete base body 2 is poured, the upper end of the rod body 1 is wrapped with adhesive tape 17 to protect the screw openings in the upper end. The lower end of the rod body 71 is fixed in the concrete matrix 2 together with the embedded bolt 72 and the short steel bar 16, so that the stability between the anchor rod 7 and the concrete matrix 2 is improved. The upper end of the rod body 71 penetrates through the concrete base body 2 and is connected with the counter-force pile pressing structure 3.
The reaction pile pressing structure 3 includes a reaction frame 31 connected to the anchor rods 7, a reaction beam 32 provided on the reaction frame 31, a jack 33 mounted on the reaction beam 32, and an electric block 34 mounted on the reaction frame 31. The reaction frame 31 is provided with a plurality of pin holes 35 along the vertical direction, pins 36 are installed in the pin holes 35, and the pin holes 35 and the pins 36 are in bolt fit to fix the reaction beam 32 on the reaction frame 31 at different heights. The electric hoist 34 is used to raise and lower the reaction beam 32, and the piston of the jack 33 is positioned in correspondence with the steel casing 8, and the piston of the jack 33 is pushed against the steel pipe pile to press the steel pipe pile into the steel casing 8.
The implementation principle of anchor rod static pressure steel-pipe pile pressing structure of the embodiment of the application is as follows: during construction, the position of the post-pressing steel pipe pile and the position line of the steel sleeve are measured, the steel sleeve is installed at the measured position, anchor rods are embedded in two sides of the steel sleeve, a concrete matrix is poured afterwards, a pile pressing reaction frame is installed by the anchor rods after the concrete matrix is poured, and then pile pressing work is carried out through a reaction pile pressing structure. The steel sleeve is additionally provided with a profile steel bracket, an anchoring stud, a water stop steel plate and a fixed steel plate; measures such as construction cushion layer, waterproof layer have improved the stability between steel casing and concrete base member, have reduced the seepage hidden danger, make the pile foundation can bear bigger load.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an anchor rod static pressure steel-pipe pile pressing structure, is in including offering foundation ditch (1) on the ground, pouring concrete base member (2) in foundation ditch (1) and pre-buried steel casing pipe (8) in the concrete base member (2), its characterized in that: be fixed with stock (7) on concrete base member (2), stock (7) are kept away from the one end of concrete base member (2) is connected with counter-force pile pressing structure (3), the perisporium of steel casing pipe (8) is provided with shaped steel bracket (9), shaped steel bracket (9) are located in concrete base member (2), the perisporium of steel casing pipe (8) is provided with anchor stud (10), anchor stud (10) are located in concrete base member (2).
2. The anchor rod static pressure steel pipe pile pressing structure according to claim 1, characterized in that: the structural steel bracket (9) is H-shaped steel, and the structural steel bracket (9) is uniformly welded on the peripheral wall of the steel sleeve (8).
3. The anchor rod static pressure steel pipe pile pressing structure according to claim 1, characterized in that: and a water stop steel plate (11) is fixed on the peripheral wall of the steel sleeve (8), and the water stop steel plate (11) is positioned in the concrete matrix (2).
4. The anchor rod static pressure steel pipe pile pressing structure according to claim 1, characterized in that: and a water stop strip (12) is arranged on the steel sleeve (8), the water stop strip (12) is attached to the peripheral wall of the bottom of the steel sleeve (8), and the water stop strip (12) is positioned in the concrete matrix (2).
5. The anchor rod static pressure steel pipe pile pressing structure according to claim 1, characterized in that: a cushion layer (13) is poured on the foundation pit (1), a fixed steel plate (5) is welded on the peripheral wall of the bottom end of the steel sleeve (8), and the fixed steel plate (5) is fixedly connected with the cushion layer (13).
6. The anchor rod static pressure steel pipe pile pressing pile structure according to claim 5, characterized in that: the waterproof layer (14) is arranged on the cushion layer (13), and the waterproof layer (14) covers the joint of the fixed steel plate (5) and the cushion layer (13).
7. The anchor rod static pressure steel pipe pile pressing pile structure according to claim 6, characterized in that: and a waterproof protective layer (16) is arranged on the waterproof layer (14).
8. The anchor rod static pressure steel pipe pile pressing structure according to claim 1, characterized in that: the reaction pile pressing structure (3) comprises a reaction frame (31) connected with the anchor rod (7), a reaction beam (32) arranged on the reaction frame (31), a jack (33) installed on the reaction beam (32) and an electric hoist (34) installed on the reaction frame (31), wherein a piston of the jack (33) corresponds to the position of the steel sleeve (8).
9. The anchor rod static pressure steel pipe pile pressing pile structure according to claim 8, characterized in that: the reaction frame (31) is provided with a plurality of pin holes (35) along the vertical direction, pins (36) are installed in the pin holes (35), and the reaction beam (32) is connected with the reaction frame (31) through the pins (36).
10. The anchor rod static pressure steel pipe pile pressing pile structure according to claim 8, characterized in that: stock (7) are including the body of rod (71) to and the screw thread is installed buried bolt (72) in the pre-buried bolt (72) on the body of rod (71), pre-buried bolt (72) are located in concrete base member (2), the body of rod (71) are worn out concrete base member (2) and with reaction frame (31) link to each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121072384.XU CN214993767U (en) | 2021-05-19 | 2021-05-19 | Anchor rod static pressure steel pipe pile pressing structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121072384.XU CN214993767U (en) | 2021-05-19 | 2021-05-19 | Anchor rod static pressure steel pipe pile pressing structure |
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| CN214993767U true CN214993767U (en) | 2021-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075245A (en) * | 2022-05-31 | 2022-09-20 | 杭州圣基建筑特种工程有限公司 | Intelligent anchor rod static pressure pile machine |
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2021
- 2021-05-19 CN CN202121072384.XU patent/CN214993767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075245A (en) * | 2022-05-31 | 2022-09-20 | 杭州圣基建筑特种工程有限公司 | Intelligent anchor rod static pressure pile machine |
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