CN112609565A - Steel pipe concrete prefabricated bridge pier - Google Patents
Steel pipe concrete prefabricated bridge pier Download PDFInfo
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- CN112609565A CN112609565A CN202110042615.0A CN202110042615A CN112609565A CN 112609565 A CN112609565 A CN 112609565A CN 202110042615 A CN202110042615 A CN 202110042615A CN 112609565 A CN112609565 A CN 112609565A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
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- Civil Engineering (AREA)
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- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a concrete-filled steel tube prefabricated pier, belongs to the technical field of bridge construction, and is used for solving the technical problems of low self strength and connection strength, inconvenience in installation, and poor damping performance and centering performance of the conventional prefabricated pier. The bridge pier comprises a bridge pier base, a connecting assembly, an assembling assembly and a centering rod, wherein the bridge pier base comprises a damping base, a guide steel pipe and a base steel pipe; the structural strength of the pier body is improved through the outer reinforcement cage, the inner reinforcement cage and the reinforcement bundles, the boss, the steel cylinder and the positioning pin bear transverse shearing force, the connection strength can be improved, the damping and buffering component can absorb shock and energy, the steel cable is anchored on the ground, the stability of the pier can be enhanced, and the centering rod is inserted into the centering hole and is good in centering performance.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and relates to a prefabricated pier device, in particular to a concrete-filled steel tube prefabricated pier.
Background
The intermediate support structure of a multi-span bridge is called a pier. The pier is divided into solid pier, column pier, bent pier and the like. Can be divided into rectangular piers, pointed piers, circular piers and the like according to the plane shape. The material of the building pier can be wood, stone, concrete, reinforced concrete, steel and the like; along with the development of the building technology, more and more bridges are constructed in a prefabricated pier mode, so that manpower and material resources can be greatly saved, and the working efficiency is improved; the existing prefabricated bridge pier is low in self strength and connection strength, when transverse wind is applied, the connection part bears large shearing force, the bridge pier is easy to break, the damping performance is poor, and the centering performance is poor during installation.
Through retrieval, as disclosed in chinese patent document, an unbonded post-tensioned prestressed concrete filled double-wall steel pipe prefabricated assembled pier with an additional damper [ application No.: CN 201520049626.1; publication No.: CN204589789U ]. The unbonded post-tensioned prestressed concrete filled double-wall steel pipe prefabricated assembled pier with the additional damper comprises a bearing platform, a prefabricated assembled pier and a capping beam, wherein the prefabricated assembled pier comprises an outer steel pipe, an inner steel pipe and filled concrete, the outer steel pipe and the inner steel pipe are respectively connected through four steel sheets at the top end surface and the bottom end surface, fiber reinforced mortar layers are arranged between the top surface of the bearing platform and the bottom surface of the capping beam and the prefabricated assembled pier end surface, the bearing platform, the prefabricated assembled pier and the capping beam are assembled into a whole through a prestressed tensioning device, and four viscous dampers are respectively arranged between the top surface of the bearing platform and the side surface of the prefabricated assembled pier. Although the invention reduces the field operation amount and the impact on the environment, the self strength and the connection strength of the prefabricated pier are not high, the installation is inconvenient, and the shock absorption performance and the centering performance are poor.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a concrete-filled steel tube precast pier, which aims to solve the technical problems that: how to realize improving pier self intensity and joint strength, improve pin-connected panel pier's damping performance and centering nature, and simple to operate.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a precast concrete-filled steel tube pier, including pier base, coupling assembling, assemble subassembly and centering rod, the pier base includes vibration damping mount, be provided with direction steel pipe and base steel pipe in the vibration damping mount, coupling assembling is including connecting the steel pipe, be provided with the connection cement seat in the connection steel pipe, be provided with shock attenuation buffering subassembly between vibration damping mount and the connection steel pipe, it is provided with a plurality of to assemble the subassembly, and the top and the bottom fixed connection in proper order that the subassembly was assembled to a plurality of, it sets up on coupling assembling to be located the assembly of below, the top that is located the coupling assembling of the top is provided with bridge beam supports, it includes the steel pipe fitting to assemble the subassembly, the steel pipe fitting outer wall is provided with the cement casing, be provided with outer steel reinforcement cage in the steel pipe fitting.
The working principle of the invention is as follows: pier base among this device, coupling assembling and assemble the subassembly and all prefabricate in the mill, the job site is transported to again, the direction steel pipe plays the guide effect, the base steel pipe can strengthen vibration damping mount's structural strength, coupling assembling plays the effect of connecting pier base and assembling the subassembly, the shock attenuation buffering subassembly plays the shock attenuation buffering effect, enable pier vibration decay, choose for use different quantity assemble the subassembly and can adapt to different bridge heights, the steel pipe fitting plays the connection effect, can bear great transverse shear force, and can protect interior cement column, through bolted connection, high durability and convenient installation, the structural strength of cement shell can be strengthened to outer reinforcement cage, the cement shell plays the supporting role, and prevent that the steel pipe fitting oxidation is impaired, interior cement column plays main supporting role, the structural strength of interior cement column can be strengthened to interior reinforcement cage and tendon.
The damping base lower part buries underground deeply, and damping base upper portion is the frustum structure, and the base steel pipe is located the frustum structure and runs through the damping base lower part, has seted up the guiding hole on the damping base, and the guiding steel pipe is fixed in the guiding hole, connects the steel pipe bottom and inserts and closes in the guiding steel pipe, connects the steel pipe periphery and is equipped with the pull ring of a plurality of equipartitions, all is fixed with the steel cable on the pull ring, and the tip of steel cable all anchorages subaerial, is provided with the reinforcing plate in connecting the steel pipe, and the reinforcing plate block is in connecting.
By adopting the structure, the base steel pipe can enhance the structural strength of the damping base, the frustum structure is more stable, the guide steel pipe plays a role in guiding, the whole pier is ensured to be anchored on the ground at the end part of the steel cable in the vertical direction, and the stability of the pier can be enhanced.
Shock attenuation buffer unit includes rubber pad, steel mat, damping spring shock absorber ware and protection casing, and rubber pad, steel mat and damping spring shock absorber ware all are provided with a plurality of, and rubber pad and steel mat interval distribution set up between vibration damping mount and connection steel pipe, and rubber pad and steel mat all overlap and establish and connect the steel pipe lower extreme, and damping spring shock absorber ware circumference equipartition sets up in rubber pad and steel mat, and damping spring shock absorber ware is fixed on vibration damping mount, and damping spring shock absorber ware's output is contradicted with being connected the steel pipe bottom surface, and the protection casing setting is outside rubber pad and steel mat.
By adopting the structure, the rubber pad plays a role in buffering protection, the steel pad can strengthen the damping structure, the damping spring shock absorber plays a role in damping and buffering, the vibration of the pier can be attenuated, and the protective cover plays a role in protection.
The steel pipe fitting comprises a steel pipe main body, an upper flange and a lower flange are welded at the upper end and the lower end of the steel pipe main body respectively, an upper flange is arranged on the upper end face of the upper flange, a plurality of uniformly distributed through holes are formed in the upper flange, a plurality of uniformly distributed counter bores are formed in the lower flange, steel cylinders are arranged in the counter bores and the through holes, a lower slot is formed in the bottom end of the lower flange, the upper flange is clamped in the lower slots of the adjacent steel pipe fittings, and positioning pins are arranged on the upper flange and the lower flange.
Structure more than adopting cooperatees through last ring flange and lower ring flange, connects two and assembles the subassembly, and the upper flange block plays the positioning action in slot down, through bolted connection between two ring flanges, simple to operate, and steel cylinder and locating pin can bear horizontal shear force, improve joint strength.
The bottom of interior cement post is provided with the boss of a plurality of equipartitions, and the tip of tendon is located the boss, and the hole that closes of inserting of a plurality of equipartitions is all seted up to the upper end face of interior cement post and connection cement seat, and the boss block is in inserting the hole that closes, and centering hole has all been seted up to the upper and lower both ends of interior cement post and the upper end of connecting the cement seat, and the centering rod is inserted and is closed in the centering hole.
Structure more than adopting, the self intensity of cement post in strengthening through the tendon, and can prevent the boss fracture, the boss block is in inserting the combination downthehole, can fix adjacent subassembly and the fixed connection subassembly of assembling and the subassembly of assembling that is located the below, bears the transverse shear force through the boss, improves joint strength, inserts through the centering rod and closes in the centering hole, can improve the centering nature when the pier is assembled.
Compared with the prior art, this precast concrete filled steel tube pier has following advantage:
1. the structural strength of the cement shell and the structural strength of the inner cement column are respectively improved through the outer steel reinforcement cage, the inner steel reinforcement cage and the steel bar bundles, the structural strength of a pier body can be improved, the bearing capacity is improved, the steel bar bundles can enhance the strength of a boss, meanwhile, the steel bar bundles and the steel cylinder and the positioning pin bear transverse shearing force, the connection strength can be improved, the vibration of the pier is attenuated through the damping and energy absorption of the damping and buffering assembly, the steel cable is anchored on the ground, the stability of the pier can be enhanced, and the centering rod is inserted into the centering hole, so that the centering;
2. the bridge pier is constructed in a prefabricated assembly mode, so that the bridge pier is improved in efficiency, convenient to install and high in efficiency due to the fact that the bridge pier is connected through the bolts;
3. the splicing assemblies with different numbers are selected to adapt to different bridge heights, and each assembly is made of cement materials, so that the economical efficiency is good.
Drawings
FIG. 1 is a schematic diagram of an axial structure of the present invention;
FIG. 2 is a schematic cross-sectional axial view of the present invention;
FIG. 3 is a schematic sectional elevational view of the upper half of the present invention;
FIG. 4 is a front sectional view of the lower half of the present invention;
in the figure: 1-damping base, 1 a-guide hole, 2-guide steel pipe, 3-base steel pipe, 4-connecting seat steel casting, 4 a-pull ring, 4 b-reinforcing plate, 5-connecting cement seat, 6-rubber pad, 7-steel pad, 8-damping spring shock absorber, 9-protective cover, 10-steel pipe, 10 a-steel pipe main body, 10 b-upper flange, 10 c-lower flange, 10 d-countersunk hole, 10 e-upper flange, 10 f-lower slot, 10 g-through hole, 11-cement shell, 12-outer steel reinforcement cage, 13-inner cement column, 13 a-boss, 14-inner steel reinforcement cage, 15-steel reinforcement bundle, 16-bridge support, 17-centering rod, 18-insertion hole, 19-centering the hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-4, the embodiment provides a concrete-filled steel tube precast pier, which comprises a pier base, a connecting assembly, an assembling assembly and a centering rod 17, wherein the pier base comprises a shock absorption base 1, a guide steel tube 2 and a base steel tube 3 are arranged in the shock absorption base 1, the connecting assembly comprises a connecting steel tube 4, a connecting cement seat 5 is arranged in the connecting steel tube 4, a shock absorption buffer assembly is arranged between the shock absorption base 1 and the connecting steel tube 4, the assembling assembly is provided with a plurality of assembling assemblies, the tops and the bottoms of the assembling assemblies are sequentially and fixedly connected, the assembling assembly positioned at the lowermost part is arranged on the connecting assembly, a bridge support 16 is arranged at the top of the connecting assembly positioned at the uppermost part, the assembling assembly comprises a steel tube 10, a cement casing 11 is arranged on the outer wall of the steel tube 10, an outer reinforcement cage 12, an inner reinforcement cage 14 and a reinforcement bundle 15 are arranged in the inner cement column 13; pier base in this device, coupling assembling and assemble the subassembly and all prefabricate in the mill, the job site is transported to again, direction steel pipe 2 plays the guide effect, base steel pipe 3 can strengthen vibration damping mount 1's structural strength, coupling assembling plays the effect of connecting pier base and assembling the subassembly, the shock attenuation buffering subassembly plays the shock attenuation buffering effect, enable pier vibration decay, choose for use different quantity assemble the subassembly and can adapt to different bridge heights, steel pipe 10 plays the connection effect, can bear great transverse shear force, and can protect interior cement column 13, through bolted connection, simple to operate, the structural strength of cement shell 11 can be strengthened to outer steel reinforcement cage 12, cement shell 11 plays the supporting role, and prevent that steel pipe 10 from oxidizing impaired, interior cement column 13 plays main supporting role, the structural strength of interior cement column 13 can be strengthened to interior steel reinforcement cage 14 and tendon 15.
The lower part of the shock absorption base 1 is deeply buried under the ground, the upper part of the shock absorption base 1 is of a frustum structure, a base steel pipe 3 is positioned in the frustum structure and penetrates through the lower part of the shock absorption base 1, a guide hole 1a is formed in the shock absorption base 1, a guide steel pipe 2 is fixed in the guide hole 1a, the bottom of a connecting steel pipe 4 is inserted into the guide steel pipe 2, a plurality of uniformly distributed pull rings 4a are arranged on the periphery of the connecting steel pipe 4, steel cables are fixed on the pull rings 4a, the end parts of the steel cables are all anchored on the ground, a reinforcing plate 4b is arranged in the connecting steel pipe 4, and the reinforcing plate 4 b; base steel pipe 3 can strengthen vibration damping mount 1 structural strength, and the frustum structure is more stable, and direction steel pipe 2 plays the guide effect, guarantees that the pier is whole at vertical direction, and the tip of steel cable all anchorages subaerial, can strengthen pier stability.
The damping buffer assembly comprises a plurality of rubber pads 6, steel pads 7, damping spring shock absorbers 8 and a protective cover 9, the rubber pads 6, the steel pads 7 and the damping spring shock absorbers 8 are arranged, the rubber pads 6 and the steel pads 7 are distributed between the damping base 1 and the connecting steel pipe 4 at intervals, the rubber pads 6 and the steel pads 7 are sleeved at the lower end of the connecting steel pipe 4, the damping spring shock absorbers 8 are uniformly distributed in the rubber pads 6 and the steel pads 7 at the circumference, the damping spring shock absorbers 8 are fixed on the damping base 1, in the embodiment, the fixing mode adopts bolt connection, the output ends of the damping spring shock absorbers 8 are abutted against the bottom surface of the connecting steel pipe 4, and the protective cover 9 is arranged outside the rubber pads 6 and the steel pads 7; the rubber pad 6 plays a role in buffering protection, the steel pad 7 can reinforce a damping structure, the damping spring shock absorber 8 plays a role in damping and buffering, the vibration of the pier can be attenuated, and the protective cover 9 plays a role in protection.
The steel pipe 10 comprises a steel pipe main body 10a, an upper flange 10b and a lower flange 10c are welded to the upper end and the lower end of the steel pipe main body 10a respectively, an upper flange 10e is arranged on the upper end face of the upper flange 10b, a plurality of uniformly distributed through holes 10g are formed in the upper flange 10b, a plurality of uniformly distributed counter bores 10d are formed in the lower flange 10c, steel cylinders are arranged in the counter bores 10d and the through holes 10g, in the embodiment, the fixing mode adopts tight fit connection, a lower slot 10f is formed in the bottom end of the lower flange 10c, the upper flange 10e is clamped in the lower slot 10f of the adjacent steel pipe 10, and positioning pins are arranged on the upper flange 10b and the lower flange 10 c; cooperate through last ring flange 10b and lower ring flange 10c, connect two and assemble the subassembly, go up the block of flange 10e in slot 10f down, play the positioning action, through bolted connection between two ring flanges, simple to operate, steel cylinder and locating pin can bear horizontal shear force, improve joint strength.
The bottom end of the inner cement column 13 is provided with a plurality of uniformly distributed bosses 13a, the end parts of the reinforcing steel bundles 15 are positioned in the bosses 13a, the upper end surfaces of the inner cement column 13 and the connecting cement seat 5 are provided with a plurality of uniformly distributed inserting holes 18, the bosses 13a are clamped in the inserting holes 18, the upper end and the lower end of the inner cement column 13 and the upper end of the connecting cement seat 5 are provided with centering holes 19, and the centering rods 17 are inserted in the centering holes 19; the self strength of the inner cement column 13 is enhanced through the reinforcing steel bars 15, the boss 13a can be prevented from being broken, the boss 13a is clamped in the inserting hole 18, adjacent assembling components and fixing and connecting components and the assembling component located at the lowest position can be fixed, transverse shearing force is borne through the boss 13a, the connecting strength is improved, the centering rod 17 is inserted in the centering hole 19, and centering performance of the bridge pier during assembling can be improved.
The working principle of the invention is as follows:
in the device, the pier base, the connecting assembly and the assembling assembly are prefabricated in a factory and then are transported to a construction site, when the pier is assembled, holes are firstly drilled on the leveled ground, the lower part of the shock absorption base 1 is placed into the holes, cement slurry is poured into the gaps, the frustum structure is more stable, the guide steel pipe 2 plays a role in guiding, and the base steel pipe 3 can enhance the structural strength of the shock absorption base 1; then the damping spring shock absorber 8 and the protective cover 9 are fixed on the shock absorption base 1, the rubber pad 6 and the steel pad 7 are placed on the shock absorption base 1 at intervals, the rubber pad 6 plays a role in buffering and protecting, the steel pad 7 can reinforce the shock absorption structure, the damping spring shock absorber 8 plays a role in buffering and absorbing shock, so that the vibration of the pier can be attenuated, and the protective cover 9 plays a role in protecting;
after the shock absorption buffer assembly is installed, the connecting steel pipe 4 is inserted into the guide steel pipe 2 and placed on the shock absorption buffer assembly, one end of the steel cable is fixed on the pull ring 4a, the other end of the steel cable is anchored on the bottom surface, the stability of the pier is enhanced, the centering rod 17 is inserted into the centering hole 19 of the upper end surface of the connecting cement seat 5, an assembly is hoisted to the upper part of the connecting assembly, the centering hole 19 of the lower end surface of the inner cement column 13 is aligned to the centering rod 17, the boss 13a is aligned to the insertion hole 18, the assembly is lowered, the lower flange plate 10c is fixed on the connecting cement seat 5 through a bolt, and then a pin is driven in to complete the connection of the assembly and the pier base;
when the two assembly components are connected, firstly, the assembly components to be installed are lifted to the upper side of the installed assembly components, the centering rod 17 and the boss 13a are respectively inserted into the centering hole 19 and the inserting hole 18, the upper flange plate 10b and the lower flange plate 10c are connected through bolts and nuts, and pins are driven in to complete the connection of the assembly components; according to the different quantity of the components of assembling of not co-altitude bridge for use, steel pipe fitting 10 plays the connection effect, can bear great transverse shear, and can protect interior cement post 13, through bolted connection, high durability and convenient installation, the structural strength of cement shell 11 can be strengthened to outer reinforcement cage 12, cement shell 11 plays the supporting role, and prevent that steel pipe fitting 10 from oxidizing impaired, interior cement post 13 plays main supporting role, the structural strength of interior cement post 13 can be strengthened to interior reinforcement cage 14 and tendon 15, strengthen the self intensity of interior cement post 13 through tendon 15, and can prevent that boss 13a from splitting, boss 13a bears transverse shear, can improve joint strength, insert in centering hole 19 through centering rod 17, can improve the centering nature when the pier is assembled.
In conclusion, the structural strength of the cement shell 11 and the structural strength of the inner cement column 13 are respectively improved through the outer reinforcement cage 12, the inner reinforcement cage 14 and the reinforcing steel bundles 15, the structural strength of a pier body can be improved, the bearing capacity is improved, the strength of the boss 13a can be enhanced through the reinforcing steel bundles 15, meanwhile, the reinforcing steel bundles, the steel cylinder and the positioning pin bear transverse shearing force, the connection strength can be improved, the vibration of the pier is attenuated through the damping and energy absorption of the damping and buffering assembly, the steel cable is anchored on the ground, the stability of the pier can be enhanced, and the centering rod 17 is inserted into the centering hole 19 to achieve good centering performance; the bridge pier is constructed in a prefabricated assembly mode, so that the bridge pier is improved in efficiency, convenient to install and high in efficiency due to the fact that the bridge pier is connected through the bolts; the splicing assemblies with different numbers are selected to adapt to different bridge heights, and each assembly is made of cement materials, so that the economical efficiency is good.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A steel pipe concrete prefabricated bridge pier comprises a bridge pier base, a connecting assembly, an assembling assembly and a centering rod (17), and is characterized in that the bridge pier base comprises a shock absorption base (1), a guide steel pipe (2) and a base steel pipe (3) are arranged in the shock absorption base (1), the connecting assembly comprises a connecting steel pipe (4), a connecting cement seat (5) is arranged in the connecting steel pipe (4), a shock absorption buffer assembly is arranged between the shock absorption base (1) and the connecting steel pipe (4), the assembling assembly is provided with a plurality of assembling assemblies, the tops and the bottoms of the assembling assemblies are sequentially and fixedly connected, the assembling assembly positioned at the lowest part is arranged on the connecting assembly, a bridge support (16) is arranged at the top of the connecting assembly positioned at the top, the assembling assembly comprises a steel pipe (10), a cement shell (11) is arranged on the outer wall of the steel pipe (10), an outer, an inner cement column (13) is arranged in the steel pipe (10), and an inner reinforcement cage (14) and a reinforcement bundle (15) are arranged in the inner cement column (13).
2. The precast concrete filled steel tube pier according to claim 1, wherein the lower portion of the shock absorption base (1) is deeply buried underground, the upper portion of the shock absorption base (1) is of a frustum structure, the base steel tube (3) is located in the frustum structure and penetrates through the lower portion of the shock absorption base (1), the shock absorption base (1) is provided with a guide hole (1 a), the guide steel tube (2) is fixed in the guide hole (1 a), the bottom of the connecting steel tube (4) is inserted into the guide steel tube (2), the periphery of the connecting steel tube (4) is provided with a plurality of uniformly distributed pull rings (4 a), steel cables are fixed on the pull rings (4 a), the end portions of the steel cables are anchored on the ground, reinforcing plates (4 b) are arranged in the connecting steel tube (4), and the reinforcing plates (4 b) are clamped in the connecting cement base (5).
3. The precast concrete filled steel pier according to claim 1, wherein the shock absorption and buffering assembly comprises a rubber pad (6) and a steel pad (7), damping spring shock absorber (8) and protection casing (9), rubber pad (6), steel pad (7) and damping spring shock absorber (8) all are provided with a plurality of, rubber pad (6) and steel pad (7) interval distribution set up between vibration damping mount (1) and connection steel pipe (4), rubber pad (6) and steel pad (7) are all established at connection steel pipe (4) lower extreme, damping spring shock absorber (8) circumference equipartition sets up in rubber pad (6) and steel pad (7), damping spring shock absorber (8) are fixed on vibration damping mount (1), the output and the connection steel pipe (4) bottom surface of damping spring shock absorber (8) are contradicted, protection casing (9) set up outside rubber pad (6) and steel pad (7).
4. The precast concrete filled steel tube pier according to claim 1, wherein the steel tube (10) comprises a steel tube main body (10 a), an upper flange (10 b) and a lower flange (10 c) are welded to the upper end and the lower end of the steel tube main body (10 a) respectively, an upper flange (10 e) is arranged on the upper end face of the upper flange (10 b), a plurality of uniformly distributed through holes (10 g) are formed in the upper flange (10 b), a plurality of uniformly distributed countersunk holes (10 d) are formed in the lower flange (10 c), steel cylinders are arranged in the countersunk holes (10 d) and the through holes (10 g), a lower slot (10 f) is formed in the bottom end of the lower flange (10 c), the upper flange (10 e) is clamped in the lower slot (10 f) of the adjacent steel tube (10), and positioning pins are arranged on the upper flange (10 b) and the lower flange (10 c).
5. The precast concrete filled steel tube pier as claimed in any one of claims 2 to 4, wherein a plurality of uniformly distributed bosses (13 a) are provided at the bottom end of the inner cement column (13), the ends of the tendons (15) are located in the bosses (13 a), a plurality of uniformly distributed insertion holes (18) are provided at the upper end surfaces of the inner cement column (13) and the connecting cement seat (5), the bosses (13 a) are engaged in the insertion holes (18), centering holes (19) are provided at the upper and lower ends of the inner cement column (13) and the upper end of the connecting cement seat (5), and the centering rods (17) are inserted in the centering holes (19).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110042615.0A CN112609565A (en) | 2021-01-13 | 2021-01-13 | Steel pipe concrete prefabricated bridge pier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110042615.0A CN112609565A (en) | 2021-01-13 | 2021-01-13 | Steel pipe concrete prefabricated bridge pier |
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| CN112609565A true CN112609565A (en) | 2021-04-06 |
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| CN202110042615.0A Pending CN112609565A (en) | 2021-01-13 | 2021-01-13 | Steel pipe concrete prefabricated bridge pier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638307A (en) * | 2021-08-20 | 2021-11-12 | 四川省建筑科学研究院有限公司 | Energy-consuming anti-seismic pier |
| CN113818333A (en) * | 2021-08-31 | 2021-12-21 | 任小强 | High pier of continuous rigid frame bridge |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940021837A (en) * | 1993-03-04 | 1994-10-19 | 구민세 | Prefabricated Piers and Column Structures and Construction Methods |
| JPH10266128A (en) * | 1997-03-26 | 1998-10-06 | Hitachi Zosen Corp | Bridge pier structure of highway bridge |
| JP2000352108A (en) * | 1999-06-10 | 2000-12-19 | Kajima Corp | Precast block construction |
| KR100832848B1 (en) * | 2007-06-01 | 2008-05-28 | 원용석 | Method for constructing pier and concrete permanent form applied to it |
| CN102635064A (en) * | 2012-04-28 | 2012-08-15 | 西安建筑科技大学 | Pre-tensioned prestressing steel pipe high-strength concrete superposition bridge pier and construction method thereof |
| CN104612037A (en) * | 2015-01-22 | 2015-05-13 | 宁波大学 | Flange-connecting concrete-filled double-wall steel pipe prefabricated assembly piers with additional energy-consuming steel bars |
| CN106869015A (en) * | 2017-02-21 | 2017-06-20 | 南昌大学 | A kind of FRP pipes cast-in-place with half half prefabricated regeneration concrete prestressing force overlapping bridge pier and preparation method |
| CN106869017A (en) * | 2017-04-05 | 2017-06-20 | 北京工业大学 | A kind of pier bottom sets the precast assembly bridge pier-cushion cap node connected mode and its practice of flexible layer |
| CN109972501A (en) * | 2019-05-08 | 2019-07-05 | 福州大学 | A kind of Novel swing Self-resetting bridge pier with energy-consuming device and its application |
| CN110820546A (en) * | 2019-11-21 | 2020-02-21 | 深圳大学 | Concrete column high anti-seismic performance assembled connection structure |
| CN210482018U (en) * | 2019-04-29 | 2020-05-08 | 中交四航局第一工程有限公司 | Pier is assembled to concrete |
| CN211472142U (en) * | 2019-12-09 | 2020-09-11 | 长沙理工大学 | Bridge pier of swivel cable-stayed bridge and reinforcing device thereof |
| CN112048994A (en) * | 2020-09-23 | 2020-12-08 | 同济大学 | Replaceable hollow double-wall steel pipe concrete prefabricated assembly pier |
-
2021
- 2021-01-13 CN CN202110042615.0A patent/CN112609565A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940021837A (en) * | 1993-03-04 | 1994-10-19 | 구민세 | Prefabricated Piers and Column Structures and Construction Methods |
| JPH10266128A (en) * | 1997-03-26 | 1998-10-06 | Hitachi Zosen Corp | Bridge pier structure of highway bridge |
| JP2000352108A (en) * | 1999-06-10 | 2000-12-19 | Kajima Corp | Precast block construction |
| KR100832848B1 (en) * | 2007-06-01 | 2008-05-28 | 원용석 | Method for constructing pier and concrete permanent form applied to it |
| CN102635064A (en) * | 2012-04-28 | 2012-08-15 | 西安建筑科技大学 | Pre-tensioned prestressing steel pipe high-strength concrete superposition bridge pier and construction method thereof |
| CN104612037A (en) * | 2015-01-22 | 2015-05-13 | 宁波大学 | Flange-connecting concrete-filled double-wall steel pipe prefabricated assembly piers with additional energy-consuming steel bars |
| CN106869015A (en) * | 2017-02-21 | 2017-06-20 | 南昌大学 | A kind of FRP pipes cast-in-place with half half prefabricated regeneration concrete prestressing force overlapping bridge pier and preparation method |
| CN106869017A (en) * | 2017-04-05 | 2017-06-20 | 北京工业大学 | A kind of pier bottom sets the precast assembly bridge pier-cushion cap node connected mode and its practice of flexible layer |
| CN210482018U (en) * | 2019-04-29 | 2020-05-08 | 中交四航局第一工程有限公司 | Pier is assembled to concrete |
| CN109972501A (en) * | 2019-05-08 | 2019-07-05 | 福州大学 | A kind of Novel swing Self-resetting bridge pier with energy-consuming device and its application |
| CN110820546A (en) * | 2019-11-21 | 2020-02-21 | 深圳大学 | Concrete column high anti-seismic performance assembled connection structure |
| CN211472142U (en) * | 2019-12-09 | 2020-09-11 | 长沙理工大学 | Bridge pier of swivel cable-stayed bridge and reinforcing device thereof |
| CN112048994A (en) * | 2020-09-23 | 2020-12-08 | 同济大学 | Replaceable hollow double-wall steel pipe concrete prefabricated assembly pier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638307A (en) * | 2021-08-20 | 2021-11-12 | 四川省建筑科学研究院有限公司 | Energy-consuming anti-seismic pier |
| CN113818333A (en) * | 2021-08-31 | 2021-12-21 | 任小强 | High pier of continuous rigid frame bridge |
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