CN110863427A - Connecting structure for assembled bridge pier column and bearing platform and construction method thereof - Google Patents

Connecting structure for assembled bridge pier column and bearing platform and construction method thereof Download PDF

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Publication number
CN110863427A
CN110863427A CN201911344325.0A CN201911344325A CN110863427A CN 110863427 A CN110863427 A CN 110863427A CN 201911344325 A CN201911344325 A CN 201911344325A CN 110863427 A CN110863427 A CN 110863427A
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CN
China
Prior art keywords
bearing platform
reserved
pier stud
pier
construction method
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Pending
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CN201911344325.0A
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Chinese (zh)
Inventor
郭云飞
侯照保
张蓉
王谭
李远文
李波
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Guangzhou Municipal Engineering Group Co Ltd
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Guangzhou Municipal Engineering Group Co Ltd
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Publication date
Application filed by Guangzhou Municipal Engineering Group Co Ltd filed Critical Guangzhou Municipal Engineering Group Co Ltd
Priority to CN201911344325.0A priority Critical patent/CN110863427A/en
Publication of CN110863427A publication Critical patent/CN110863427A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/04Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • E02D27/14Pile framings, i.e. piles assembled to form the substructure

Abstract

The invention provides a construction method for an assembled bridge pier column and a bearing platform, which relates to the technical field of assembled bridge construction and comprises the following steps: step 1: prefabricating a pier stud; step 2: manufacturing a bearing platform with a bearing platform reserved slot hole on the upper end surface; and step 3: installing the pier stud into the reserved slot hole of the bearing platform; and 4, step 4: pressing grouting materials into the reserved slotted holes of the bearing platform; wherein, step 1 includes: prefabricating a first part and a second part of the pier stud, wherein the outer diameter of the first part is smaller than that of the second part, and the first part is connected to the lower end face of the second part; the step 1 further comprises: arranging a transverse anchoring head and a vertical anchoring head; and 3, installing the first part of the pier stud into the reserved groove hole of the bearing platform until the lower end face of the second part is not higher than the opening depth of the reserved groove hole of the bearing platform. The construction method is convenient and fast to construct, can enable the pier stud and the bearing platform to be stably connected, and is suitable for large-scale popularization.

Description

Connecting structure for assembled bridge pier column and bearing platform and construction method thereof
Technical Field
The invention relates to the technical field of assembled bridges, in particular to a connecting structure for an assembled bridge pier column and a bearing platform and a construction method thereof.
Background
The fabricated bridge is a novel bridge construction mode in which the connection of the cap and the pier is very important to the construction of the whole bridge. However, the existing connection methods of the bearing platform and the pier column, such as grouting sleeve connection, slot-in connection and socket-and-spigot connection, cannot simultaneously take into account the connection reliability and the construction convenience.
Disclosure of Invention
In view of the above technical problems, the present invention aims to provide a connection structure of a bearing platform and a pier stud and a construction method thereof, which can simultaneously consider connection reliability and construction convenience.
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme to realize:
the invention provides a construction method for an assembled bridge pier column and a bearing platform, which comprises the following steps:
step 1: prefabricating a pier stud;
step 2: manufacturing a bearing platform with a bearing platform reserved slotted hole on the upper end surface at a preset installation position of the pier stud;
and step 3: installing the pier stud into the reserved slot hole of the bearing platform;
and 4, step 4: pressing grouting materials into the reserved slotted holes of the bearing platform until the grouting materials are flush with the openings of the reserved slotted holes of the bearing platform;
wherein, step 1 includes: prefabricating a first part and a second part of the pier stud, wherein the outer diameter of the first part is smaller than that of the second part, and the first part is connected to the lower end face of the second part; the step 1 further comprises: arranging a transverse anchoring head on the outer surface of the first part, and arranging a vertical anchoring head on the lower end surface of the second part; and 3, installing the first part of the pier stud into the reserved groove hole of the bearing platform until the lower end face of the second part is not higher than the opening depth of the reserved groove hole of the bearing platform.
Advantageously or exemplarily, wherein step 1 further comprises: the lower end face of the second part is arranged to be downwards inclined at the center to form a slope face.
Advantageously or exemplarily, wherein in step 2, the fabricating the platform comprises: and wall surface anchoring heads are arranged on the side walls of the reserved slotted holes of the bearing platform.
Advantageously or exemplarily, wherein in step 2, the fabricating the platform comprises: the structure is characterized in that a pier column installation area is arranged in the reserved slotted hole of the bearing platform, a plurality of parallel reserved steel bars of the bearing platform are arranged in the reserved slotted hole of the bearing platform, one end of each reserved steel bar of the bearing platform is connected with one side end face of the reserved slotted hole of the bearing platform, the other end of each reserved steel bar of the bearing platform is connected with the other opposite side end face of the corresponding reserved slotted hole of the bearing platform, or the other end of each reserved steel bar.
Advantageously or exemplarily, step 3 includes: installing the pier stud to behind the pier stud installing region, erect the upright rib in the cushion cap reservation slotted hole, many parallels the upright rib with cushion cap reservation reinforcing bar mutually perpendicular forms steel framework.
Advantageously or exemplarily, step 1 includes: set up the pier stud and reserve the reinforcing bar, the pier stud is reserved the reinforcing bar and is run through the upper and lower terminal surface of second part, and its lower extreme is equipped with the crotch, the length that the reinforcing bar was reserved to the pier stud is configured into: after the hook is installed in the reserved slot hole of the bearing platform, the hook can be connected with the reserved steel bar of the bearing platform at the lowest side.
Advantageously or exemplarily, step 2 includes: and a grouting hole communicated to the reserved slotted hole of the bearing platform is formed in the bearing platform.
The invention provides a connecting structure for an assembled bridge pier column and a bearing platform, which is characterized by being prepared by the construction method.
A third aspect of the present invention provides a fabricated bridge, a cap and a pier stud connected using the above-described connection structure.
The various embodiments of the invention have the following beneficial effects:
1. the construction method is convenient and fast to construct, can enable the pier stud and the bearing platform to be stably connected, and is suitable for large-scale popularization.
2. The construction of the invention is convenient, in step 3, the first part with smaller outer diameter than the second part is inserted into the reserved slot hole of the bearing platform, the outer diameter of the first part is smaller than that of the reserved slot hole of the bearing platform, the construction precision requirement is lower compared with the grouting sleeve connection, the butt joint of the steel bar and the steel bar sleeve is not needed, only the component is inserted into the reserved slot hole of the bearing platform, the higher precision is not needed, the on-site assembly is convenient, and the construction is convenient.
3. The first part of the pier stud can bear the dead weight of the pier body, can provide certain temporary support, can simplify the temporary support measures in the step 3 compared with the simple slot-type connection, can realize the installation and the in-place of the pier stud only by additionally arranging auxiliary temporary support when necessary, and can directly enter the construction of the next procedure, and the construction is convenient.
4. After grouting is completed, the transverse anchoring head and the vertical anchoring head of the grouting pile counteract the motion of the pier stud, so that the bearing platform is tightly occluded with the pier stud, and the reliability of a connecting structure is greatly improved.
5. The invention further arranges wall anchoring heads in the preformed slotted holes of the pier stud to offset the movement of the bearing platform, further improves the close occlusion of the bearing platform and the pier stud and greatly improves the reliability of the connecting structure.
6. The pier stud anchoring structure is also provided with a steel bar anchoring structure, and the steel bar anchoring structure and the transverse anchoring head, the vertical anchoring head and the wall surface anchoring head form double anchoring effects. On one hand, the transverse anchoring heads and the vertical anchoring heads are arranged on the pier stud, and the wall surface anchoring heads are arranged in the reserved slotted holes of the pier stud, so that force transmission is clear; on the other hand, the pier column reserved steel bars are arranged at the joints of the pier columns and the bearing platform, and can be configured into a form of combining common longitudinal stress steel bars and anti-seismic steel bars, so that the energy consumption capability is improved, and the anti-seismic performance is enhanced.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a sectional view of a connection structure for an assembled pier stud and a cap of an exemplary embodiment of the present invention;
fig. 2 is a schematic view of a cap for a connection structure of an assembled pier stud and the cap according to an exemplary embodiment of the present invention;
fig. 3 is a schematic view of an assembled bridge pier and abutment connection structure according to an exemplary embodiment of the present invention;
fig. 4 is a plan view of a temporary support structure for a connection structure of an assembled pier stud and a cap of an assembled bridge according to an exemplary embodiment of the present invention;
fig. 5 is a plan view of a temporary support structure for a connection structure of an assembled pier stud and a cap of an assembled bridge according to an exemplary embodiment of the present invention;
fig. 6 is a sectional view at a-a of fig. 1 for a connection structure of an assembled pier stud and a cap, according to an exemplary embodiment of the present invention;
fig. 7 is a step view of a construction method for an assembled pier stud and cap according to an exemplary embodiment of the present invention.
Reference numerals: 10-a cushion cap; 11-a pre-groove hole of the bearing platform; 12-grouting holes; 13-wall shear key; 14-a steel backing plate at the bottom of the groove; 20-pier stud; 21-a first part; 22-a second part; 23-a transverse anchoring head; 24-a vertical anchoring head; 30-grouting material; 40-reserving reinforcing steel bars on the bearing platform; 50-erecting ribs; 60-reserving reinforcing steel bars for the pier stud; 61-hook.
Detailed Description
The invention is further described below with reference to the following examples in conjunction with the accompanying drawings.
The first aspect of the embodiments of the present invention provides a construction method for an assembled bridge pier stud and a bearing platform, including the steps of:
step 1: the pier stud 20 is prefabricated.
Step 2: and (3) manufacturing a bearing platform 10 with a bearing platform reserved slotted hole 11 on the upper end surface at the preset installation position of the pier stud 20.
And step 3: the pier stud 20 is installed into the cap pre-groove hole 11 of the cap 10.
And 4, step 4: and (4) pressing grouting material 30 into the reserved slot hole 11 of the bearing platform until the grouting material 30 is flush with the opening of the reserved slot hole 11 of the bearing platform.
Wherein, step 1 includes: prefabricating a first part 21 and a second part 22 of the pier stud 20, wherein the outer diameter of the first part 21 is smaller than that of the second part 22, and connecting the first part 21 to the lower end surface of the second part 22; the step 1 further comprises: a transverse anchoring head 23 is arranged on the outer surface of the first part 21, and a vertical anchoring head 24 is arranged on the lower end surface of the second part 22; in step 3, the first part 21 of the pier stud 20 is installed into the reserved slot hole 11 of the bearing platform, and the lower end surface of the second part 22 is not higher than the opening depth of the reserved slot hole 11 of the bearing platform.
The construction of the embodiment is convenient, in the step 3, the first part 21 with smaller outer diameter compared with the second part 21 is inserted into the reserved slotted hole 11 of the bearing platform, the outer diameter of the first part 21 is smaller than that of the reserved slotted hole 11 of the bearing platform, the construction precision requirement is lower compared with the grouting sleeve connection, the butt joint of a steel bar and a steel bar sleeve is not needed, only a member is inserted into the reserved slotted hole 11 of the bearing platform, high precision is not needed, the field assembly is convenient, and the construction is convenient.
Meanwhile, after grouting is finished, the transverse anchoring head 23 limits vertical displacement of the pier stud 20, and a vertical anti-pulling effect is achieved; the vertical anchoring head 24 limits the horizontal displacement of the pier stud 20, and plays a role in transverse uplift resistance; the two realize the anchoring effect of the pier stud together. Namely, the transverse anchoring head 23 and the vertical anchoring head 24 counteract the movement of the pier stud 20, so that the cushion cap 10 is tightly occluded with the pier stud 20, and the reliability of the connecting structure is greatly improved.
As shown in fig. 4-5, the first portion 21 of the pier stud of the present invention can bear the self weight of the pier body, can provide a certain temporary support, and simplifies the temporary support measures, and only auxiliary temporary supports need to be added, such as: the transverse H-shaped steel frame support frame hoops the pier column 20 by using a middle frame of the steel frame support frame, and is matched with a wedge-shaped cushion block, so that the pier column can be installed in place, the construction of the next procedure (a cover beam or an upper structure) can be directly carried out, and a temporary support system in the construction process is simplified.
In one embodiment, the first portion 21 and the second portion 22 are integrally cast.
In one embodiment, step 1 further comprises: the lower end face of the second portion 22 is arranged with a center inclined downward to form a slope face.
In the embodiment, an inclined structure is arranged at the joint of the transverse anchoring head 23 and the vertical anchoring head 24 to form a slope, so that compact grouting material can be conveniently poured, full grouting at all corners can be realized, and the grouting compactness can be ensured; meanwhile, due to the arrangement of the slope structure, the phenomenon of stress concentration of the joint section can be effectively reduced, and the generation of cracks at the bottom of the pier is reduced.
In one embodiment, the grout 30 is ultra-high performance concrete or other grouting material having a micro-expansive effect.
In an embodiment, step 2 includes setting grouting holes 12 communicated to the inside of the reserved slotted hole 11 of the bearing platform, and grouting materials are poured into the reserved grouting holes 12 without setting a template, so that grouting compactness of the reserved slotted hole 11 of the bearing platform at each angle is realized, grouting fullness is ensured, the problem that grouting fullness is difficult to control in connection modes such as grouting sleeve connection is avoided, and reliability of the connection modes is ensured. The super-high performance concrete or other high performance grouting materials have the excellent characteristics of quick hardening and early strength, and can enter the construction of the next procedure in advance, so that the construction progress is effectively accelerated.
In one embodiment, wherein step 2, fabricating the platform 10 comprises: wall surface anchoring heads 13 are arranged on the side walls of the preformed slotted holes 11 of the bearing platform.
The wall surface anchoring head 13 offsets the movement of the bearing platform 10, so that the tight occlusion between the bearing platform 10 and the pier stud 20 is further improved, and the reliability of the connecting structure is greatly improved.
In one embodiment, in step 2, fabricating the platform 10 comprises: a steel base plate 14 is arranged on the bottom surface of the preformed groove hole 11 of the bearing platform, and the steel base plate 14 at the bottom of the groove supports the pier stud to ensure the thickness of the base slurry;
in one embodiment, wherein step 2, fabricating the platform 10 comprises: the pier column 20 installation area is arranged in the cushion cap reserved slotted hole 11, a plurality of parallel cushion cap reserved steel bars 40 are arranged in the cushion cap reserved slotted hole 11, one end of each cushion cap reserved steel bar 40 is connected with one side end face of the cushion cap reserved slotted hole 11, the other end of each cushion cap reserved steel bar is connected with the other opposite side end face, or the other end of each cushion cap reserved steel bar extends to the edge of the pier column 20 installation area.
In this embodiment, in order to avoid colliding as the principle, set up cushion cap and reserve reinforcing bar 40, further improved the anchor effect, improve and connect the reliability.
Wherein the area of the pier stud 20 is not smaller than the outer diameter of the first portion 21. In one embodiment, to improve ease of construction, the mounting area is larger than the outer diameter of the first portion 21.
In one embodiment, step 3 includes: after the pier stud 20 is installed in the pier stud 20 installation area, the erection ribs 50 are erected in the bearing platform reserved slotted holes 11, and the plurality of parallel erection ribs 50 are perpendicular to the bearing platform reserved steel bars 40 to form a steel bar framework.
In this embodiment, a reinforcing steel bar anchoring structure is further provided, and the reinforcing steel bar anchoring structure and the transverse anchoring head 23, the vertical anchoring head 24 and the wall anchoring head 13 form a double anchoring effect, so that the double anchoring effect is provided, and the anchoring effect of the pier stud 20 is better. On one hand, a transverse anchoring head 23 and a vertical anchoring head 24 are arranged on the pier stud 20, and a wall surface anchoring head 13 is arranged in a reserved slotted hole of the pier stud, so that force transmission is clear; on the other hand, pier column reserved steel bars 40 are arranged at the joints of the pier columns 20 and the bearing platforms 10, the pier column reserved steel bars 40 can be configured into a form of combining common longitudinal stressed steel bars and anti-seismic steel bars, energy consumption capacity is improved, and anti-seismic performance is enhanced.
In one embodiment, step 1 includes: set up pier stud and reserve reinforcing bar 60, pier stud and reserve reinforcing bar 60 and run through the upper and lower terminal surface of second part 22, and its lower extreme is equipped with crotch 61, and pier stud reserves reinforcing bar 60's length and is configured into: after being installed in the cap preformed slot 11, the hook 61 can be connected with the lowermost cap preformed reinforcement 40.
In this embodiment, pier stud reserved steel bar 60 relies on the crotch 61 to be connected with cushion cap reserved steel bar 40, pours the grout material after, forms the anchor effect, has improved the reliability of connecting.
The invention provides a connecting structure for an assembled bridge pier stud and a bearing platform, which is manufactured by the construction method provided by the first aspect, and comprises a bearing platform 10 and a pier stud 20, wherein the upper end surface of the bearing platform 10 is provided with a bearing platform reserved slotted hole 11, the pier stud 20 comprises a first part 21 and a second part 22, the outer diameter of the first part 21 is smaller than that of the second part 22 and is connected to the lower end surface of the second part 22, the first part 21 is inserted into the bottom of the bearing platform reserved slotted hole 11, the lower end surface of the second part 22 is not higher than the opening depth of the bearing platform reserved slotted hole 11, grouting material 30 is filled in the bearing platform reserved slotted hole 11, the outer surface of the first part 21 is provided with a transverse anchoring head 23, and the lower end surface of the second part 22 is provided with a vertical anchoring head 24.
In this embodiment, connection structure construction is convenient, can make pier stud and cushion cap connect firmly, is applicable to and promotes on a large scale.
Wherein, it is convenient about the construction:
firstly, the connection structure of the embodiment is simple, the construction is convenient, the first part 21 with smaller outer diameter is inserted into the reserved slotted hole 11 of the bearing platform compared with the second part 22, the outer diameter of the first part 21 is smaller relative to the reserved slotted hole 11 of the bearing platform, the construction precision requirement is lower relative to the connection of the grouting sleeve, the butt joint of the steel bar and the steel bar sleeve is not needed, only the component is inserted into the reserved slotted hole 11 of the bearing platform, the higher precision is not needed, the on-site assembly is convenient, and the construction is convenient.
Secondly, the setting of the first part 21 of this embodiment can bear the pier shaft dead weight, can provide certain temporary support, compares simple slot-in type and connects, can simplify temporary support measure, only needs to add complementary temporary support when necessary, can realize the installation of pier stud and take one's place, directly gets into the construction of next process, and it is convenient to be under construction.
Wherein, regarding the connection stability: the transverse anchoring head 23 and the vertical anchoring head 24 of the embodiment offset the movement of the pier stud 20, so that the bearing platform 10 is tightly occluded with the pier stud 20, and the reliability of the connecting structure is greatly improved.
In one embodiment, the grout 30 may be concrete grout, or other types of grout may be selected.
In one embodiment, the center of the lower end surface of the second portion 22 is inclined downward to form a slope surface, which facilitates the implementation of corner grouting compaction.
In one embodiment, the side walls of the platform pre-groove 11 are provided with wall anchoring heads 13.
In the embodiment, further, the wall surface anchoring head 13 is arranged in the pier stud reserved slot 11, so that the movement of the bearing platform 10 is counteracted, the tight occlusion of the bearing platform 10 and the pier stud 20 is further improved, and the reliability of the connecting structure is greatly improved.
In one embodiment, at least one of the transverse anchoring heads 23, the vertical anchoring heads 24 and the wall anchoring heads 13 is a shear key; in other embodiments, other anchoring structures will occur to those skilled in the art.
In the present embodiment, the serrated shear keys enhance the adhesion performance of the grouting material 30 region, and further enhance the connection reliability between the pier stud 20 and the platform 10.
In an embodiment, the pier structure further comprises a bearing platform reserved steel bar 40 and a plurality of parallel bearing platform reserved steel bars 50, wherein the plurality of parallel bearing platform reserved steel bars 40 are arranged in the bearing platform reserved slot hole 11, one end of each parallel bearing platform reserved steel bar 40 is connected with one side end face of the bearing platform reserved slot hole 11, the other end of each parallel bearing platform reserved steel bar is connected with the other opposite side end face of the corresponding bearing platform reserved slot hole, or the other end of each parallel bearing platform reserved steel bar 40 extends to the outer surface of the first part 21 of the pier stud 20, and the plurality of parallel bearing platform reserved steel bars 40 are arranged in the bearing.
In one embodiment, the opposite end of the cap reserve bar 40 extends to the edge of the predetermined pier stud 20 installation area.
In one embodiment, the grouting material further includes pier stud reserved steel bars 60, the pier stud reserved steel bars 60 penetrate through the upper and lower end faces of the second portion 22, hooks 61 are arranged at the lower ends of the pier stud reserved steel bars, the hooks 61 are connected with the lowest bearing platform reserved steel bars 40, and an anchoring effect is formed after the grouting material 30 is poured.
This embodiment has still set up reinforcing bar anchor structure, forms dual anchoring effect with foretell horizontal anchor head 23, vertical anchor head 24 and wall anchor head 13, and this embodiment has set up dual anchoring effect for pier stud 20 anchor effect is better. On one hand, in the embodiment, the transverse anchoring head 23 and the vertical anchoring head 24 are arranged on the pier stud 20, and the wall surface anchoring head 13 is arranged in the reserved slotted hole 11 of the bearing platform, so that force transmission is clear; on the other hand, in the embodiment, the pier column reserved steel bars 40 are arranged at the joints of the pier columns 20 and the bearing platform 10, and the pier column reserved steel bars 40 can be configured into a form of combining common longitudinal stressed steel bars and anti-seismic steel bars, so that the energy consumption capability is improved, and the anti-seismic performance is enhanced.
In one embodiment, the platform 10 is provided with grouting holes 12 that communicate with the inside of the platform pre-groove holes 11.
In one embodiment, the bottom surface of the cap pre-groove 11 is provided with a groove bottom steel shim plate 14. The steel base plate 14 at the bottom of the groove is used for supporting the pier stud 11, so that grouting of the reserved groove hole 11 of the bearing platform is facilitated.
The third aspect of the present invention provides a fabricated bridge in which the cap 10 and the pier stud 20 are connected using the connection structure provided in the second aspect.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (9)

1. A construction method for an assembled bridge pier column and a bearing platform is characterized by comprising the following steps:
step 1: prefabricating a pier stud;
step 2: manufacturing a bearing platform with a bearing platform reserved slotted hole on the upper end surface at a preset installation position of the pier stud;
and step 3: installing the pier stud into the reserved slot hole of the bearing platform;
and 4, step 4: pressing grouting materials into the reserved slotted holes of the bearing platform until the grouting materials are flush with the openings of the reserved slotted holes of the bearing platform;
wherein, step 1 includes: prefabricating a first part and a second part of the pier stud, wherein the outer diameter of the first part is smaller than that of the second part, and the first part is connected to the lower end face of the second part;
the step 1 further comprises: arranging a transverse anchoring head on the outer surface of the first part, and arranging a vertical anchoring head on the lower end surface of the second part;
and 3, installing the first part of the pier stud into the reserved groove hole of the bearing platform until the lower end face of the second part is not higher than the opening depth of the reserved groove hole of the bearing platform.
2. The construction method for an assembled bridge pier and abutment according to claim 1, wherein the step 1 further comprises: the lower end face of the second part is arranged to be downwards inclined at the center to form a slope face.
3. The construction method for the assembled bridge pier stud and the bearing platform according to claim 1, wherein the step 2 of manufacturing the bearing platform comprises the following steps: and wall surface anchoring heads are arranged on the side walls of the reserved slotted holes of the bearing platform.
4. The construction method for the assembled bridge pier stud and the bearing platform according to claim 1, wherein the step 2 of manufacturing the bearing platform comprises the following steps: pier column installation regions are arranged in the reserved slotted holes of the bearing platforms, a plurality of parallel reserved reinforcing steel bars of the bearing platforms are arranged in the reserved slotted holes of the bearing platforms,
one end of the reserved steel bar of the bearing platform is connected with one side end face of the reserved slotted hole of the bearing platform, and the other end of the reserved steel bar of the bearing platform is connected with the opposite side end face, or the other end of the reserved steel bar of the bearing platform extends to the edge of the pier column mounting area.
5. The construction method for the assembled bridge pier and abutment according to claim 4, wherein the step 3 comprises: after the pier stud is installed in the pier stud installation area, erecting a vertical rib in the reserved slotted hole of the bearing platform,
and the plurality of parallel upright ribs are perpendicular to the reserved steel bars of the bearing platform to form a steel bar framework.
6. The construction method for the assembled bridge pier and abutment according to claim 5, wherein the step 1 comprises: set up the pier stud and reserve the reinforcing bar, the pier stud is reserved the reinforcing bar and is run through the upper and lower terminal surface of second part, and its lower extreme is equipped with the crotch, the length that the reinforcing bar was reserved to the pier stud is configured into: after the hook is installed in the reserved slot hole of the bearing platform, the hook can be connected with the reserved steel bar of the bearing platform at the lowest side.
7. The construction method for the assembled bridge pier and abutment according to claim 1, wherein the step 2 comprises: and a grouting hole communicated to the reserved slotted hole of the bearing platform is formed in the bearing platform.
8. A connecting structure for an assembled bridge pier stud and a bearing platform, which is manufactured by the construction method according to any one of claims 1 to 7.
9. An assembled bridge, wherein a cap and a pier are connected using the connection structure of claim 8.
CN201911344325.0A 2019-12-24 2019-12-24 Connecting structure for assembled bridge pier column and bearing platform and construction method thereof Pending CN110863427A (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN111395179A (en) * 2020-03-25 2020-07-10 深圳市市政工程总公司 Construction method of hollow bridge pier column and bearing platform
CN112176886A (en) * 2020-11-16 2021-01-05 山东高速建设管理集团有限公司 Double-steel sleeve socket connection structure of prefabricated bridge pier and construction method thereof
CN114960408A (en) * 2022-04-26 2022-08-30 郑州大学 Intelligent assembly type bridge pier with energy dissipation and shock absorption device

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CN111395179A (en) * 2020-03-25 2020-07-10 深圳市市政工程总公司 Construction method of hollow bridge pier column and bearing platform
CN111395179B (en) * 2020-03-25 2022-01-11 深圳市市政工程总公司 Construction method of hollow bridge pier column and bearing platform
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CN112176886B (en) * 2020-11-16 2022-03-22 山东高速建设管理集团有限公司 Double-steel sleeve socket connection structure of prefabricated bridge pier and construction method thereof
CN114960408A (en) * 2022-04-26 2022-08-30 郑州大学 Intelligent assembly type bridge pier with energy dissipation and shock absorption device
CN114960408B (en) * 2022-04-26 2024-03-01 郑州大学 Intelligent assembled bridge pier with energy consumption and shock absorption device

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Application publication date: 20200306