CN117966972A - Large-span arch pier seat system and construction method thereof - Google Patents
Large-span arch pier seat system and construction method thereof Download PDFInfo
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- CN117966972A CN117966972A CN202410361368.4A CN202410361368A CN117966972A CN 117966972 A CN117966972 A CN 117966972A CN 202410361368 A CN202410361368 A CN 202410361368A CN 117966972 A CN117966972 A CN 117966972A
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- 238000010276 construction Methods 0.000 title claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 98
- 239000010959 steel Substances 0.000 claims abstract description 98
- 239000004567 concrete Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 13
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 10
- 238000005192 partition Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a large-span arch pier seat system, which comprises a pier seat; the pier seat is of a three-dimensional space structure, a transverse wallboard and a longitudinal wallboard are arranged in the pier seat, and the inner space of the pier seat is divided into a plurality of chambers through the transverse wallboard and the longitudinal wallboard; an arch foot is arranged on the top plate of the pier seat and at the cross intersection point of the transverse wallboard and the longitudinal wallboard; the arch springing is of a reinforced concrete structure and comprises a reinforced net sheet and a concrete layer, and the cross section of the arch springing is triangular; the lower part of the arch foot is supported with a first steel member which vertically penetrates through the intersection point of the transverse wallboard and the longitudinal wallboard, the cross section of the reinforcing steel mesh is in an inverted V shape, and the two side surfaces of the reinforcing steel mesh are respectively parallel to the two side outer surfaces of the concrete layer; a prestressed pipeline is arranged between the two pier seats in a penetrating way; solves the problem of pier seat stability in the door arch structure.
Description
Technical Field
The invention belongs to the technical field of pier seat structure construction, and particularly relates to a large-span arch pier seat system and a construction method thereof.
Background
In the door arch pier seat structure, in order to offset the lateral thrust of the door arch to the pier seat, the door arch is fixed on the pier seat, and a prestressed pipeline is arranged between the two pier seats in a penetrating way; in the prior art, a cement pier seat is generally adopted for fixedly mounting the arch foot structure, namely, a concrete pier seat is integrally poured on a building foundation, the construction is simple by adopting the method, only the pier seat with the corresponding volume is integrally poured, but the pier seat poured in the method can be damaged due to the outward horizontal thrust generated at the arch foot position; when the prestressed pipeline is buried, strict elevation control requirements are set on the elevation of the pipeline, the pipeline is kept to be straight and smooth when the prestressed pipeline is buried, but in a structure with larger span of a door arch, the buried length of the prestressed pipeline is longer, the leveling difficulty is larger, the longitudinal reinforcing steel of the bracing beam is firstly constructed according to a conventional construction mode, then the stirrups and the lacing wires are constructed, finally the prestressed sleeve is penetrated, the position of the lacing wires is adjusted so as to level and straighten the sleeve, the length of the conventional finished sleeve is 6 meters, the elevation of 5-6 lacing wires is measured during adjustment, the adjustment difficulty and the workload are larger, and the forming quality cannot be guaranteed.
Disclosure of Invention
The invention provides a large-span arch pier seat system and a construction method thereof, and aims to solve the problem of pier seat stability in a door arch structure.
In order to achieve the above object, the present invention provides a long span arch pier seat system, comprising a pier seat; the two pier seats are respectively arranged at two ends of the arch; the pier seat is arranged at a position below the ground, and a uplift pile is arranged below the pier seat; the pier seat is of a three-dimensional space structure, a transverse wallboard and a longitudinal wallboard are arranged in the pier seat, and the inner space of the pier seat is divided into a plurality of chambers through the transverse wallboard and the longitudinal wallboard; an arch foot is arranged on the top plate of the pier seat and at the cross intersection point of the transverse wallboard and the longitudinal wallboard; the arch springing is of a reinforced concrete structure and comprises a reinforced net sheet and a concrete layer, and the cross section of the arch springing is triangular; the side face of the arch leg, which faces one side of the arch door, is provided with an embedded plate, a first steel member is supported below the arch leg, the first steel member vertically penetrates through the intersection point of the transverse wallboard and the longitudinal wallboard, and the upper end of the first steel member is fixedly connected to the embedded plate; the cross section of the reinforcing mesh is in an inverted V shape, and the two side surfaces of the reinforcing mesh are respectively parallel to the two side outer surfaces of the concrete layer; the bottom edges of the two sides of the reinforcing steel bar net sheet are respectively embedded in the top plate of the pier seat; the top edge of the reinforcing mesh is positioned below the top edge of the arch springing; a prestressed pipeline is arranged between the two pier seats in a penetrating way; the two ends of the prestressed pipeline are arranged in the longitudinal wallboards in the pier seats in a penetrating way, and prestressed steel bars are arranged between the pier seats at the two sides in a pulling way; the two ends of the prestressed reinforcement are respectively penetrated in the prestressed pipeline, and a fixing structure for supporting the prestressed pipeline is arranged in the longitudinal wallboard.
Further, a supporting plate is arranged in the arch springing; the support plate comprises a first support steel plate and a second support steel plate; a second steel member is arranged in the top plate, a space is reserved between the top surface of the second steel member and the top surface of the top plate, and the bottom surface of the second steel member exceeds the bottom surface of the top plate; the first support steel plates are provided with a group and are supported between the bottom surface of the embedded plate and the top surface of the second steel member along the transverse interval; the second support steel plate is vertically connected to the upper side edge of the embedded plate, and the bottom edge of the second support steel plate is supported on the top surface of the second profile steel member.
Further, the longitudinal section of the second steel member is I-shaped, and a supporting rib plate is arranged below the first supporting steel plate and at the web plate of the second steel member.
Further, the fixing structure comprises a screw and a tray; the two screws are arranged, the tray is vertically provided with a group and is connected between the two screws, the bottom of the tray on the screw is provided with a disc, the disc is provided with threads, and the disc is sleeved on the screw; the prestressed pipe is arranged on the tray and is fixed through stirrups.
Furthermore, the prestressed pipeline and the part between the two pier seats are fixed through hanging pieces, and the hanging pieces are arranged at the bottoms of the floors connected with the two pier seats and comprise embedded pieces and hanging ribs; the embedded part comprises two anchor plates and two back plates, the top surfaces of the back plates are flush with the top surfaces of the floor slabs, connecting ribs are arranged between the back plates and the anchor plates, the hanging ribs are U-shaped, and the end parts of the hanging ribs are fixed with the anchor plates; the prestressed reinforcement is arranged in the hanging bar in a penetrating way and is fixed.
Further, the prestressed reinforcement comprises a first reinforcement and a second reinforcement; the end parts of the first steel bars are connected to the interiors of the two pier seats; the end part of the second steel bar is positioned at the outer end of the pier seat; the first steel bar and the second steel bar are positioned in the same vertical plane.
Furthermore, post-pouring holes are reserved on the top plate of the pier seat and between the pier seat and the main body structure.
Still further, be provided with the partition wallboard in the pier base, the partition wallboard is along horizontal connection both ends about the pier base, the one end of vertical wallboard is connected with the lateral wall of pier base, and the other end and the partition wallboard of vertical wallboard are connected.
A construction method of a large-span arch pier seat system comprises the following steps:
step one: according to a construction drawing, casting anti-pulling piles at intervals below the positions of the corresponding designed pier seats on a construction site, and casting a bottom plate and a side plate of the pier seats above the anti-pulling piles, wherein the bottom plate of the pier seats is connected with the anti-pulling piles into a whole;
step two: pouring a transverse wallboard and a longitudinal wallboard in the pier seat; a fixed structure for supporting the prestressed pipeline is arranged in the longitudinal wallboard; a first section steel member is arranged at the intersection point of the longitudinal wallboard and the transverse wallboard; pouring the fixed structure and the first steel member into the wallboard together;
Step three: pouring a top plate and arch feet at the tops of the longitudinal wallboards and the transverse wallboards; extending the top of the first steel member into the arch springing, wherein an embedded plate is arranged at the top of the arch springing; when the top plate is poured, a second steel member is arranged at the bottom of the top plate; the bottom of the second steel member is positioned in the pier seat;
step four: a connecting seat for arch connection is arranged on the arch springing;
step five: connecting the arch with the pier seat;
Step six: and pouring concrete in the cavity in the pier seat.
Further, the top plate of the pier seat is connected with post-cast concrete in the pier seat cavity through a second steel member.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the arch foot is arranged between the arch foot and the pier seat in a penetrating way through the structures such as the first steel member, the reinforcing steel mesh and the like, so that the connection strength of the pier seat and the arch foot is enhanced, and the prestressed reinforcing steel bars are arranged between the two pier seats in a pulling way, so that the lateral thrust at the two ends of the door arch is further counteracted, the damage to the pier seat caused by the thrust is avoided, the service life of the structure is prolonged, steel is saved, and the construction cost is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic view of the internal reinforcement structure of the section of the present invention;
FIG. 3 is a schematic top view of the present invention;
Fig. 4 is a schematic view of the fixing structure of the present invention.
FIG. 5 is a schematic view of a hanger according to the present invention.
Description of the drawings: 1. pier seat; 1.1, a top plate; 2. pulling-resistant piles; 3. a transverse wallboard; 4. a longitudinal wallboard; 5. arch feet; 5.1, a concrete layer; 5.2, reinforcing steel bar meshes; 6. a first section steel member; 7. embedding a plate; 8. a support plate; 8.1, a first supporting steel plate; 8.2, a second supporting steel plate; 8.3, supporting rib plates; 9. a second steel member; 10. a prestressed pipe; 11. prestress steel bars; 11.1, a first reinforcing steel bar; 11.2, second reinforcing steel bars; 12. a screw; 13. a tray; 14. a disc; 15. a floor slab; 16. an embedded part; 16.1, anchor plate; 16.2, a back plate; 16.3, connecting ribs; 17. hanging ribs; 18. post-pouring hole; 19. and (5) dividing the wall boards into bins.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the patent.
The invention relates to a large-span arch pier seat system and a construction method thereof, which are combined with the accompanying drawings, and comprise pier seats 1; the two pier seats 1 are respectively arranged at two ends of the arch; the method is characterized in that: the pier seat 1 is arranged at a position below the ground, and a uplift pile 2 is arranged below the pier seat 1; the pier seat 1 is of a three-dimensional space structure, a transverse wallboard 3 and a longitudinal wallboard 4 are arranged in the pier seat 1, and the inner space of the pier seat 1 is divided into a plurality of chambers through the transverse wallboard 3 and the longitudinal wallboard 4; an arch foot 5 is arranged on the top plate 1.1 of the pier seat 1 and at the cross intersection point of the transverse wallboard 3 and the longitudinal wallboard 4; the arch springing 5 is of a reinforced concrete structure and comprises a reinforced net sheet 5.2 and a concrete layer 5.1, and the cross section of the arch springing 5 is triangular; a pre-buried plate 7 is arranged on the side surface of the arch leg 5 facing one side of the arch, a first steel member 6 is supported below the arch leg 5, the first steel member 6 vertically penetrates through the intersection point of the transverse wallboard 3 and the longitudinal wallboard 4, and the upper end of the first steel member 6 is fixedly connected to the pre-buried plate 7; the cross section of the reinforcing mesh 5.2 is in an inverted V shape, and the two side surfaces of the reinforcing mesh 5.2 are respectively parallel to the two side outer surfaces of the concrete layer 5.1; the bottom edges of the two sides of the reinforcement mesh 5.2 are respectively embedded in the top plate 1.1 of the pier seat 1; the top edge of the reinforcement mesh 5.2 is positioned below the top edge of the arch springing 5; a prestressed pipeline 10 is arranged between the two pier seats 1 in a penetrating way; the two ends of the prestressed pipeline 10 are arranged in the longitudinal wallboard 4 in the pier seat 1 in a penetrating way, and prestressed steel bars 11 are arranged between the pier seats 1 at the two sides in a pulling way; the two ends of the prestressed reinforcement 11 are respectively penetrated in the prestressed pipeline 10, and the longitudinal wallboard 4 is provided with a fixing structure for supporting the prestressed pipeline 10.
A supporting plate 8 is arranged in the arch springing 5; the support plate 8 comprises a first support steel plate 8.1 and a second support steel plate 8.2; a second steel member 9 is arranged in the top plate 1.1, a space is reserved between the top surface of the second steel member 9 and the top surface of the top plate 1.1, and the bottom surface of the second steel member 9 exceeds the bottom surface of the top plate 1.1; the first supporting steel plates 8.1 are provided with a group and are supported between the bottom surface of the embedded plate 7 and the top surface of the second profile steel member 9 along the transverse interval; the second supporting steel plate 8.2 is vertically connected to the upper side edge of the embedded plate 7, and the bottom edge of the second supporting steel plate 8.2 is supported on the top surface of the second steel member 9.
The longitudinal section of the second steel member 9 is I-shaped, and a supporting rib plate 8.3 is arranged below the first supporting steel plate 8.1 and at the web plate of the second steel member 9.
The fixed structure comprises a screw 12 and a tray 13; the two screws 12 are arranged, the tray 13 is vertically provided with a group and is connected between the two screws 12, the screw 12 is provided with a disc 14 positioned at the bottom of the tray 13, the disc 14 is provided with threads, and the disc 14 is sleeved on the screw 12; the pre-stressing pipes 10 are arranged on the pallet 13 and the pre-stressing pipes 10 are fixed by stirrups.
The prestressed pipeline 10 is fixed at a position between the two pier seats 1 through a hanging piece, and the hanging piece is arranged at the bottom of a floor slab 15 connected with the two pier seats 1 and comprises an embedded piece 16 and hanging ribs 17; the embedded part 16 comprises an anchor plate 16.1 and a back plate 16.2, the number of the back plate 16.2 is two, the top surface of the back plate 16.2 is flush with the top surface of the floor slab 15, connecting ribs 16.3 are arranged between the back plate 16.2 and the anchor plate 16.1, the hanging ribs 17 are U-shaped, and the end parts of the hanging ribs 17 are fixed with the anchor plate 16.1; the prestressed reinforcement 11 is arranged in the hanging bar 17 in a penetrating way.
The prestressed reinforcement 11 comprises a first reinforcement 11.1 and a second reinforcement 11.2; the end parts of the first steel bars 11.1 are connected to the interiors of the two pier seats 1; the end part of the second reinforcing steel bar 11.2 is positioned at the outer end of the pier seat 1; the first steel bar 11.1 and the second steel bar 11.2 are positioned in the same vertical plane. In this embodiment, the first steel bars 11.1 have two groups, which are respectively disposed in the longitudinal wallboards at two sides of the arch springing; the second bars 11.2 have a set and the first bars have a larger diameter than the second bars.
The prestressed pipeline adopts Q235B type steel pipe, while burying the pipeline, the full length threading steel bar with the length of 11m is reserved in the pipe, the joint part of the steel bar adopts lap joint welding, double faces are fully welded by 15D, and simultaneously, a hook is reserved at the end part so as to take emergency remedial measures after the threading steel bar is broken. When the prestress steel bar is penetrated, the high-strength steel wire is firstly guided by the penetrating steel bar belt to penetrate through the pore canal, and the prestress steel wire is guided by the steel wire belt to penetrate through the pore canal, so that all prestress wires can be completely penetrated in place at one time, and construction obstruction caused by long-distance penetrating is reduced.
Post-cast holes 18 are reserved on the top plate 1.1 of the pier seat 1 and between the pier seat 1 and the main body structure.
The inside of the pier seat 1 is provided with a sub-bin wallboard 19, the sub-bin wallboard 19 is transversely connected with the left end and the right end of the pier seat 1, one end of the longitudinal wallboard 4 is connected with the side wall of the pier seat 1, and the other end of the longitudinal wallboard 4 is connected with the sub-bin wallboard 19.
A construction method of a large-span arch pier seat system comprises the following steps:
step one: according to a construction drawing, casting anti-pulling piles 2 at intervals below the positions of the construction sites and the corresponding designed pier seats 1, and casting a bottom plate and side plates of the pier seats 1 above the anti-pulling piles 2, wherein the bottom plate of the pier seats 1 is connected with the anti-pulling piles 2 into a whole;
Step two: pouring a transverse wallboard 3 and a longitudinal wallboard 4 in the pier seat 1; a fixed structure for supporting the prestressed pipe 10 is arranged in the longitudinal wallboard 4; a first steel member 6 is arranged at the intersection point of the longitudinal wallboard 4 and the transverse wallboard 3; pouring the fixed structure and the first steel member 6 into the wallboard together;
Step three: pouring a top plate 1.1 and a arch leg 5 on the tops of the longitudinal wallboard 4 and the transverse wallboard 3; the top of the first steel member 6 extends into the arch springing 5, and an embedded plate 7 is arranged at the top of the arch springing 5; when the top plate 1.1 is poured, a second steel member 9 is arranged at the bottom of the top plate 1.1; the bottom of the second steel member 9 is positioned in the pier seat 1;
step four: a connecting seat for arch connection is arranged on the arch springing 5;
step five: connecting the arch with the pier seat 1;
step six: concrete is poured into the cavity in the pier seat 1.
The top plate 1.1 of the pier seat 1 is connected with post-cast concrete in the cavity of the pier seat 1 through a second section steel member 9.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. A large span arch pier seat system comprises a pier seat (1); two pier seats (1) are respectively arranged at two ends of the arch; the method is characterized in that: the pier seat (1) is arranged at a position below the ground, and a uplift pile (2) is arranged below the pier seat (1); the pier seat (1) is of a three-dimensional space structure, a transverse wallboard (3) and a longitudinal wallboard (4) are arranged in the pier seat (1), and the inner space of the pier seat (1) is divided into a plurality of chambers through the transverse wallboard (3) and the longitudinal wallboard (4); an arch foot (5) is arranged on the top plate (1.1) of the pier seat (1) and positioned at the cross intersection point of the transverse wallboard (3) and the longitudinal wallboard (4); the arch leg (5) is of a reinforced concrete structure and comprises a reinforced mesh (5.2) and a concrete layer (5.1), and the cross section of the arch leg (5) is triangular; a pre-buried plate (7) is arranged on the side surface of the arch leg (5) facing one side of the arch, a first steel member (6) is supported below the arch leg (5), the first steel member (6) vertically penetrates through the intersection point of the transverse wallboard (3) and the longitudinal wallboard (4), and the upper end of the first steel member (6) is fixedly connected to the pre-buried plate (7); the cross section of the reinforcing mesh (5.2) is in an inverted V shape, and the two side surfaces of the reinforcing mesh (5.2) are respectively parallel to the two side outer surfaces of the concrete layer (5.1); the bottom edges of the two sides of the reinforcing mesh (5.2) are respectively embedded in the top plate (1.1) of the pier seat (1); the top edge of the reinforcement mesh (5.2) is positioned below the top edge of the arch springing (5); a prestressed pipeline (10) is arranged between the two pier seats (1) in a penetrating way; the two ends of the prestressed pipeline (10) are penetrated in the longitudinal wallboards (4) in the pier seats (1), and prestressed steel bars (11) are pulled between the pier seats (1) at the two sides; the two ends of the prestressed reinforcement (11) are respectively penetrated in the prestressed pipeline (10), and a fixing structure for supporting the prestressed pipeline (10) is arranged in the longitudinal wallboard (4).
2. A large span arch pier system in accordance with claim 1, wherein: a supporting plate (8) is arranged in the arch leg (5); the supporting plate (8) comprises a first supporting steel plate (8.1) and a second supporting steel plate (8.2); a second steel member (9) is arranged in the top plate (1.1), a space is reserved between the top surface of the second steel member (9) and the top surface of the top plate (1.1), and the bottom surface of the second steel member (9) exceeds the bottom surface of the top plate (1.1); the first support steel plates (8.1) are provided with a group and are supported between the bottom surface of the embedded plate (7) and the top surface of the second steel member (9) at intervals along the transverse direction; the second support steel plate (8.2) is vertically connected to the upper side edge of the embedded plate (7), and the bottom edge of the second support steel plate (8.2) is supported on the top surface of the second profile steel member (9).
3. A large span arch pier system in accordance with claim 2, wherein: the longitudinal section of the second steel member (9) is I-shaped, and a supporting rib plate (8.3) is arranged below the first supporting steel plate (8.1) and at the web plate of the second steel member (9).
4. A large span arch pier system in accordance with claim 1, wherein: the fixing structure comprises a screw (12) and a tray (13); the two screws (12) are arranged, the tray (13) is vertically provided with a group and is connected between the two screws (12), the screw (12) is provided with a disc (14) positioned at the bottom of the tray (13), the disc (14) is provided with threads, and the disc (14) is sleeved on the screw (12); the prestress pipeline (10) is arranged on the tray (13), and the prestress pipeline (10) is fixed through stirrups.
5. A large span arch pier system in accordance with claim 1, wherein: the prestressed pipeline (10) and the part between the two pier seats (1) are fixed through hanging pieces, and the hanging pieces are arranged at the bottom of a floor slab (15) connected with the two pier seats (1) and comprise embedded pieces (16) and hanging ribs (17); the embedded part (16) comprises an anchor plate (16.1) and a back plate (16.2), the number of the back plates (16.2) is two, the top surface of the back plate (16.2) is flush with the top surface of the floor slab (15), connecting ribs (16.3) are arranged between the back plate (16.2) and the anchor plate (16.1), the hanging ribs (17) are U-shaped, and the end parts of the hanging ribs (17) are fixed with the anchor plate (16.1); the prestressed reinforcement (11) is arranged in the hanging bar (17) in a penetrating way.
6. A large span arch pier system in accordance with claim 1, wherein: the prestressed reinforcement (11) comprises a first reinforcement (11.1) and a second reinforcement (11.2); the end parts of the first steel bars (11.1) are connected to the interiors of the two pier seats (1); the end part of the second steel bar (11.2) is positioned at the outer end of the pier seat (1); the first steel bar (11.1) and the second steel bar (11.2) are positioned in the same vertical plane.
7. A large span arch pier system in accordance with claim 1, wherein: post-cast holes (18) are reserved on the top plate (1.1) of the pier seat (1) and between the pier seat (1) and the main body structure.
8. A large span arch pier system in accordance with claim 1, wherein: be provided with branch storehouse wallboard (19) in pier base (1), both ends about pier base (1) are followed to branch storehouse wallboard (19) along transverse connection, the one end of vertical wallboard (4) is connected with the lateral wall of pier base (1), and the other end and the branch storehouse wallboard (19) of vertical wallboard (4) are connected.
9. A method of constructing a large span arch pier system in accordance with any one of claims 1 to 8, wherein: the method comprises the following steps:
step one: according to a construction drawing, casting anti-pulling piles (2) at intervals below the positions of the corresponding design pier seats (1) on a construction site, casting a bottom plate and side plates of the pier seats (1) above the anti-pulling piles (2), and connecting the bottom plate of the pier seats (1) with the anti-pulling piles (2) into a whole;
Step two: pouring a transverse wallboard (3) and a longitudinal wallboard (4) in the pier seat (1); a fixed structure for supporting the prestressed pipeline (10) is arranged in the longitudinal wallboard (4); a first profile steel member (6) is arranged at the intersection point of the longitudinal wallboard (4) and the transverse wallboard (3); pouring the fixed structure and the first steel member (6) into the wallboard together;
Step three: pouring a top plate (1.1) and arch legs (5) at the tops of the longitudinal wall plates (4) and the transverse wall plates (3); the top of the first steel member (6) extends into the arch leg (5), and an embedded plate (7) is arranged at the top of the arch leg (5); when the top plate (1.1) is poured, a second steel member (9) is arranged at the bottom of the top plate (1.1); the bottom of the second steel member (9) is positioned in the pier seat (1);
step four: a connecting seat for arch connection is arranged on the arch springing (5);
Step five: connecting the arch with the pier seat (1);
Step six: and pouring concrete in the cavity in the pier seat (1).
10. A method of constructing a large span arch pier foundation (1) system in accordance with claim 9, wherein: the top plate (1.1) of the pier seat (1) is connected with post-cast concrete in the cavity of the pier seat (1) through a second section steel member (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410361368.4A CN117966972A (en) | 2024-03-28 | 2024-03-28 | Large-span arch pier seat system and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410361368.4A CN117966972A (en) | 2024-03-28 | 2024-03-28 | Large-span arch pier seat system and construction method thereof |
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| CN117966972A true CN117966972A (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410361368.4A Pending CN117966972A (en) | 2024-03-28 | 2024-03-28 | Large-span arch pier seat system and construction method thereof |
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| KR20140087834A (en) * | 2012-12-31 | 2014-07-09 | 우경기술주식회사 | prefabricated concrete arch rib and it's construction method |
| CN204982687U (en) * | 2015-07-21 | 2016-01-20 | 浙江省嘉维交通科技发展有限公司 | Novel arched bridge is consolidated device |
| CN214401388U (en) * | 2020-12-28 | 2021-10-15 | 中冶建筑研究总院有限公司 | FRP cable arch structure after optimizing |
-
2024
- 2024-03-28 CN CN202410361368.4A patent/CN117966972A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA374506A (en) * | 1938-06-21 | J. Mchugh Frederick | Cable anchor | |
| CN101603291A (en) * | 2009-06-25 | 2009-12-16 | 核工业西南勘察设计研究院有限公司 | Construction method for strengthening arch foot crack of stone arch bridge |
| KR20140087834A (en) * | 2012-12-31 | 2014-07-09 | 우경기술주식회사 | prefabricated concrete arch rib and it's construction method |
| CN204982687U (en) * | 2015-07-21 | 2016-01-20 | 浙江省嘉维交通科技发展有限公司 | Novel arched bridge is consolidated device |
| CN214401388U (en) * | 2020-12-28 | 2021-10-15 | 中冶建筑研究总院有限公司 | FRP cable arch structure after optimizing |
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