CN216551979U - Prestressed pipe pile and waist rail connecting structure for foundation pit support - Google Patents
Prestressed pipe pile and waist rail connecting structure for foundation pit support Download PDFInfo
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- CN216551979U CN216551979U CN202123257264.XU CN202123257264U CN216551979U CN 216551979 U CN216551979 U CN 216551979U CN 202123257264 U CN202123257264 U CN 202123257264U CN 216551979 U CN216551979 U CN 216551979U
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Abstract
The utility model discloses a prestressed pipe pile and waist beam connecting structure for foundation pit supporting, which relates to the field of foundation pit supporting and comprises a pipe pile and a waist beam fixed in the middle of one side of the pipe pile, wherein the top end of the pipe pile is fixedly connected with a crown beam, micro-expansion concrete is filled in the upper end of the pipe pile, a reinforcing mesh is embedded in the middle of the micro-expansion concrete, the top end of the reinforcing mesh is fixedly connected with a connecting rib, the connecting rib is embedded in the crown beam, and the crown beam is connected with the waist beam through a hanging rib arranged in a Z shape. According to the utility model, the hanging ribs are arranged between the crown beam and the waist beam, or the annular steel plate is arranged on the outer side of the tubular pile, the annular steel plate is fixedly connected with the tubular pile through the anchoring steel bars, the annular steel plate is connected with the waist beam through the L-shaped steel bars, the integrity of the waist beam and the tubular pile is enhanced, meanwhile, the micro-expansion concrete is poured into the tubular pile, and the shearing resistance of the tubular pile is improved by the micro-expansion concrete or the annular steel plate.
Description
Technical Field
The utility model relates to the field of foundation pit support, in particular to a connecting structure of a prestressed pipe pile and a waist beam for foundation pit support.
Background
In the building construction, the connection mode of the waist beam and the pipe pile is generally that concrete is poured into the hollow part of the pipe pile at the position of the waist beam, and then the waist beam is connected in a rib planting mode. However, when concrete is poured into the tubular pile, the position of the waist beam is difficult to accurately control, the surface of the tubular pile is smooth, the bar planting drilling is difficult, the bar planting drilling is easy to damage the tubular pile, and the local stress capacity of the tubular pile is reduced. Therefore, it is necessary to provide a connecting structure of a prestressed pipe pile and a waist rail for foundation pit support to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a connecting structure of a prestressed pipe pile and a waist beam for foundation pit supporting, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a connecting structure of a prestressed pipe pile and a waist beam for foundation pit support comprises a pipe pile and a waist beam fixed in the middle of one side of the pipe pile, the top end of the pipe pile is fixedly connected with a crown beam, the interior of the upper end of the pipe pile is filled with micro-expansion concrete, a reinforcing mesh is embedded in the middle of the micro-expansion concrete, connecting bars are fixedly connected to the top end of the reinforcing mesh, the connecting ribs are embedded in the crown beam, the crown beam is connected with the waist beam through the hanging ribs arranged in a Z shape, two ends of the hanging ribs are inserted into the crown beam and the waist beam, one end of the hanging bar is connected with the connecting bar in a binding way, the middle part of the waist rail is connected with a first anchor rod in a penetrating way, one end of the first anchor rod is fixedly connected with a first anchor head which is positioned outside the middle part of the inclined surface of the waist rail, the other end of first stock extends to the opposite side of tubular pile, the other end outside fixedly connected with anchor rope of first stock.
Preferably, the outside of tubular pile can also cladding annular steel sheet, the inner wall of annular steel sheet is equidistant vertical distribution's anchor reinforcing bar and tubular pile fixed connection through the multiunit, and a plurality of anchor reinforcing bars of every group are annular array and distribute.
Preferably, one side and the waist rail fixed connection of annular steel sheet, and the junction fixed connection of annular steel sheet and waist rail has a plurality of L shape reinforcing bars of equidistant distribution, L shape reinforcing bar inlays in the inside of waist rail.
Preferably, the inside edge of waist rail is inlayed and is had the steel reinforcement cage, the steel reinforcement cage comprises a plurality of horizontal reinforcing bars cooperation windings that are equidistant distribution at the stirrup in the horizontal reinforcing bar outside.
Preferably, the inside of waist rail can also run through and be connected with the second stock, the one end fixedly connected with second anchor head of second stock, the second anchor head is located the inclined plane middle part outside of waist rail.
Preferably, the other end of the second anchor rod extends to the inner cavity of the tubular pile, the other end of the second anchor rod is fixedly connected with a second anchor cable, and the second anchor cable is arranged in the inner cavity of the tubular pile.
The utility model has the technical effects and advantages that:
according to the utility model, the hanging ribs are arranged between the crown beam and the waist beam, or the annular steel plate is arranged on the outer side of the tubular pile, the annular steel plate is fixedly connected with the tubular pile through the anchoring steel bars, the annular steel plate is connected with the waist beam through the L-shaped steel bars, the integrity of the waist beam and the tubular pile is enhanced, meanwhile, the micro-expansion concrete is poured into the tubular pile, the shearing resistance of the tubular pile is improved by the micro-expansion concrete or the annular steel plate, and meanwhile, the tubular pile and the waist beam are connected through the anchor rod, so that the cooperative working performance of the anchor rope and the tubular pile can be effectively improved, the two systems are stressed into one, the construction quality is easy to control, and the effect is good.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the method for embedding the annular steel plate in the integral structure.
In the figure: 1. a tubular pile; 2. a wale; 3. micro-expansion concrete; 4. a reinforcing mesh; 5. connecting ribs; 6. hanging the ribs; 7. a first anchor rod; 8. a first anchor head; 9. a first anchor cable; 10. an annular steel plate; 11. anchoring the reinforcing steel bars; 12. l-shaped reinforcing steel bars; 13. a reinforcement cage; 14. a second anchor rod; 15. a second anchor head; 16. and a second anchor cable.
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.
The utility model provides a prestressed pipe pile and waist beam connecting structure for foundation pit support as shown in figure 1-2, which comprises a pipe pile 1 and a waist beam 2 fixed in the middle of one side of the pipe pile 1, wherein the top end of the pipe pile 1 is fixedly connected with a crown beam, the upper end of the pipe pile 1 is filled with slightly-expanded concrete 3, the middle part of the slightly-expanded concrete 3 is embedded with a reinforcing mesh 4, the top end of the reinforcing mesh 4 is fixedly connected with a connecting rib 5, the connecting rib 5 is embedded in the crown beam, the crown beam is connected with the waist beam 2 through a hanging rib 6 arranged in a Z shape, two ends of the hanging rib 6 are inserted into the crown beam and the waist beam 2, the part of the hanging rib 6 inserted into the crown beam and the waist beam 2 meets the requirement of anchoring length, the integrity of the waist beam 2 and the pipe pile 1 is enhanced, one end of the hanging rib 6 is bound and connected with the connecting rib 5, the middle part of the waist beam 2 is connected with a first anchor rod 7 in a penetrating way, one end of the first anchor rod 7 is fixedly connected with a first anchor head 8, first anchor head 8 is located the inclined plane middle part outside of waist rail 2, and the other end of first stock 7 extends to the opposite side of tubular pile 1, and the first anchor rope 9 of the other end outside fixedly connected with of first stock 7 can effectively improve the performance of first anchor rope 9 and tubular pile 1 collaborative work, makes two kinds of system atress unite two into one, and construction quality is easily controlled, and is respond well.
Specific, tubular pile 1's the outside can also cladding annular steel sheet 10, annular steel sheet 10's inner wall is equidistant vertical distribution's anchor reinforcing bar 11 and tubular pile 1 fixed connection through the multiunit, a plurality of anchor reinforcing bars 11 of every group are annular array distribution, one side and waist rail 2 fixed connection of annular steel sheet 10, annular steel sheet 10's setting has improved tubular pile 1's the ability of shearing, and annular steel sheet 10 and waist rail 2's junction fixedly connected with a plurality of equidistant distribution's L shape reinforcing bar 12, L shape reinforcing bar 12 inlays in waist rail 2's inside, waist rail 2's inside edge is inlayed and is had steel reinforcement cage 13, steel reinforcement cage 13 comprises the stirrup in the horizontal reinforcing bar outside by a plurality of horizontal reinforcement cooperation windings that are equidistant distribution, waist rail 2 and tubular pile 1's wholeness has been improved.
More specifically, the inside of waist rail 2 can also be through connection with second stock 14, the one end fixedly connected with second anchor head 15 of second stock 14, second anchor head 15 is located the inclined plane middle part outside of waist rail 2, the other end of second stock 14 extends to the inner chamber of tubular pile 1, and the other end fixedly connected with second anchor rope 16 of second stock 14, second anchor rope 16 sets up in the inner chamber of tubular pile 1, can effectively improve the performance of second anchor rope 16 and tubular pile 1 collaborative work, make two kinds of system atress unite two into one, construction quality is easily controlled, and is effectual.
According to the utility model, the hanging ribs 6 (the specification and the distance are determined according to calculation) are arranged between the top beam and the waist beam 2, the parts of the two ends of the hanging ribs 6, which are inserted into the top beam and the waist beam 2, meet the requirement of anchoring length, the integrity of the waist beam 2 and the tubular pile 1 is enhanced, meanwhile, the micro-expansion concrete 3 is poured into the tubular pile 1, the length of the micro-expansion concrete 3 is controlled to be 200mm below the waist beam 2, and the shearing resistance of the tubular pile 1 is improved;
the outer side of the tubular pile 1 can be coated with the annular steel plate 10, the annular steel plate 10 improves the shearing resistance of the tubular pile 1, meanwhile, the annular steel plate 10 is fixedly connected with the tubular pile 1 through the anchoring steel bar 11, the annular steel plate 10 is connected with the waist beam 2 through the L-shaped steel bar 12, and the integrity of the waist beam 2 and the tubular pile 1 is enhanced;
meanwhile, the tubular pile 1 and the waist beam 2 are connected through two types, so that the performance of cooperative work of the anchor cable and the tubular pile 1 can be effectively improved, the two systems are stressed into one, the construction quality is easy to control, and the effect is good.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a foundation ditch support is with prestressing force tubular pile and waist rail connection structure, includes tubular pile (1) and fixes waist rail (2) at tubular pile (1) one side middle part, its characterized in that: the top fixedly connected with of tubular pile (1) guan liang, the inside packing of upper end of tubular pile (1) has slightly expanded concrete (3), the middle part of slightly expanded concrete (3) is inlayed and is had reinforcing bar net (4), the top fixedly connected with splice bar (5) of reinforcing bar net (4), splice bar (5) are inlayed in the inside of guanliang, be connected through hanging muscle (6) that set up to "Z" style of calligraphy between guanliang and waist rail (2), the inside of guanliang and waist rail (2) is inserted at the both ends of hanging muscle (6), and the one end and splice bar (5) ligature of hanging muscle (6) are connected, the middle part through connection of waist rail (2) has first stock (7), the first anchor head (8) of one end fixedly connected with of first stock (7), first anchor head (8) are located the inclined plane middle part outside of waist rail (2), the other end of first stock (7) extends to the opposite side of tubular pile (1), and a first anchor cable (9) is fixedly connected to the outer side of the other end of the first anchor rod (7).
2. The prestressed pipe pile and waist rail connecting structure for foundation pit support according to claim 1, characterized in that: the outside of tubular pile (1) can also cladding annular steel sheet (10), the inner wall of annular steel sheet (10) is equidistant vertical distribution's anchor reinforcing bar (11) and tubular pile (1) fixed connection through the multiunit, and a plurality of anchor reinforcing bars of every group (11) are annular array and distribute.
3. The prestressed pipe pile and waist rail connecting structure for foundation pit support according to claim 2, characterized in that: one side and waist rail (2) fixed connection of annular steel sheet (10), and the junction fixed connection of annular steel sheet (10) and waist rail (2) have a plurality of L shape reinforcing bar (12) of equidistant distribution, inlay in the inside of waist rail (2) L shape reinforcing bar (12).
4. The prestressed pipe pile and waist rail connecting structure for foundation pit support according to claim 3, characterized in that: the inside edge of waist rail (2) is inlayed and is had steel reinforcement cage (13), steel reinforcement cage (13) are formed by a plurality of horizontal reinforcing bar cooperations that are equidistant distribution winding in the stirrup in the horizontal reinforcing bar outside.
5. The prestressed pipe pile and waist rail connecting structure for foundation pit support according to claim 4, characterized in that: the inside of waist rail (2) can also have second stock (14) through connection, the one end fixedly connected with second anchor head (15) of second stock (14), second anchor head (15) are located the inclined plane middle part outside of waist rail (2).
6. The prestressed pipe pile and waist rail connecting structure for foundation pit support according to claim 5, characterized in that: the other end of second stock (14) extends to the inner chamber of tubular pile (1), and the other end fixedly connected with second anchor rope (16) of second stock (14), second anchor rope (16) set up in the inner chamber of tubular pile (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123257264.XU CN216551979U (en) | 2021-12-21 | 2021-12-21 | Prestressed pipe pile and waist rail connecting structure for foundation pit support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123257264.XU CN216551979U (en) | 2021-12-21 | 2021-12-21 | Prestressed pipe pile and waist rail connecting structure for foundation pit support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216551979U true CN216551979U (en) | 2022-05-17 |
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ID=81545225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123257264.XU Active CN216551979U (en) | 2021-12-21 | 2021-12-21 | Prestressed pipe pile and waist rail connecting structure for foundation pit support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216551979U (en) |
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2021
- 2021-12-21 CN CN202123257264.XU patent/CN216551979U/en active Active
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