CN210636312U - Prefabricated structure of assembling of assembled bridge of high-speed railway - Google Patents
Prefabricated structure of assembling of assembled bridge of high-speed railway Download PDFInfo
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- CN210636312U CN210636312U CN201921025720.8U CN201921025720U CN210636312U CN 210636312 U CN210636312 U CN 210636312U CN 201921025720 U CN201921025720 U CN 201921025720U CN 210636312 U CN210636312 U CN 210636312U
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- prefabricated
- prefabricated pier
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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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The utility model relates to a bridge prefabrication assembly construction field, in particular to a prefabricated assembly structure of a high-speed railway assembled bridge, which comprises prefabricated tubular piles, a cast-in-place cushion cap, segment prefabricated pier studs, prefabricated pier caps and a simply supported box girder, wherein the cast-in-place cushion cap is arranged at the upper ends of a plurality of prefabricated tubular piles, the segment prefabricated pier studs are arranged on the cast-in-place cushion cap, the prefabricated pier caps are arranged on the segment prefabricated pier studs, and prefabricated pier cap cushion stones are cast on the prefabricated pier caps on site; the simply supported box girder is arranged on the prefabricated pier cap in a spanning mode and is connected with the prefabricated pier cap cushion stone through the metal support. The utility model discloses installation site operation face is many, makes things convenient for site operation for construction speed realizes the green construction of bridge, promotes the transformation upgrading of enterprise's traditional industry, practices thrift building material, reduces construction cost, and energy saving and consumption reduction reduces the raise dust, and is less to environmental pollution.
Description
Technical Field
The utility model relates to a construction field is assembled in the bridge prefabrication, specifically is a structure is assembled in prefabrication of high-speed railway assembled bridge.
Background
In the construction process of a high-speed railway, the construction method of the segmental prefabricated pier aims at introducing the construction technology of emerging and novel prefabricated buildings and structures, realizing green construction of bridges, promoting transformation and upgrading of the traditional industry of enterprises, saving building materials, and thoroughly solving the construction problems of high construction cost, high energy consumption, environmental pollution and the like of the traditional construction process.
The existing bridge prefabricated assembly structure (or process) has the disadvantages of complex assembly, great environmental pollution, few operation surfaces on the installation site, low construction speed and no guarantee on the quality of product components. Therefore, in view of the above current situation, there is an urgent need to develop a prefabricated assembly structure for an assembled bridge of a high-speed railway to overcome the disadvantages in the current practical application.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a structure is assembled in prefabrication of assembled bridge of high-speed railway to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
a prefabricated assembly structure of a fabricated bridge of a high-speed railway comprises prefabricated tubular piles, a cast-in-place cushion cap, segmental prefabricated pier columns, prefabricated pier caps and simply supported box girders, wherein the cast-in-place cushion cap is arranged at the upper ends of a plurality of prefabricated tubular piles, and the prefabricated tubular piles and the cast-in-place cushion cap are connected through reserved steel bars of core-filling steel bar cages at the top ends of the prefabricated tubular piles;
the segment prefabricated pier stud is arranged on the cast-in-place bearing platform, and the cast-in-place bearing platform and the segment prefabricated pier stud are connected through the reserved deformed steel bars at the top of the cast-in-place bearing platform and the grouting sleeves which are embedded at the bottom of the segment prefabricated pier stud in the same number;
the prefabricated pier cap is arranged on the segment prefabricated pier stud, the prefabricated pier cap and the segment prefabricated pier stud are connected through embedded threaded steel bars at the top of the segment prefabricated pier stud and embedded grouting sleeves at the bottom of the prefabricated pier cap by steel bars, and prefabricated pier cap cushion stones are cast on the prefabricated pier cap in situ;
the simply supported box girder is arranged on the prefabricated pier cap in a spanning mode and is connected with the prefabricated pier cap cushion stone through the metal support.
As a further aspect of the present invention: and the simply supported box girder is also provided with a prefabricated assembled protective wall and a cable groove.
As a further aspect of the present invention: the prefabricated simple-supported box girder is characterized in that an internal thread sleeve is pre-buried on the simple-supported box girder, the prefabricated assembled protective wall and the prefabricated assembled cable trough are connected with the internal thread sleeve pre-buried on the simple-supported box girder through a harness cord screw, and the prefabricated assembled protective wall and the prefabricated assembled cable trough are connected with the simple-supported box girder through common mortar in a mortar sitting mode.
As a further aspect of the present invention: and common railings and lotus railings are alternately arranged on the prefabricated assembled protective wall and the cable trough.
As a further aspect of the present invention: the prefabricated pipe pile is a high-strength prestressed pipe pile, and the model is PHC-1000-AB-130.
Compared with the prior art, the utility model discloses the beneficial effect of embodiment is:
the prefabricated assembly structure of the assembled bridge of the high-speed railway is mainly used for the construction of the assembled bridge of the high-speed railway, and solves the problems of serious environmental pollution, poor quality and long construction period of the traditional drilled pile, cast-in-place pier body and cable groove of a protective wall; the construction method has the advantages of multiple operation surfaces at the installation site, convenience for site construction, acceleration of construction speed, realization of green construction of bridges, promotion of transformation and upgrade of traditional industries of enterprises, building material saving, construction cost reduction, energy saving, consumption reduction, dust reduction and less environmental pollution.
Drawings
Fig. 1 is a schematic view of a three-dimensional explosion structure according to an embodiment of the present invention.
Fig. 2 is a schematic view of the structure of the embodiment of the present invention.
Fig. 3 is a schematic side view of the embodiment of the present invention.
In the figure: 1-precast tubular pile, 2-core-filling reinforcement cage reserved reinforcement, 3-cast-in-place bearing platform, 4-reserved deformed steel bar, 5-section precast pier stud, 6-embedded deformed steel bar, 7-precast pier cap, 8-precast pier cap base stone, 9-metal support, 10-simply supported box girder, 11-precast assembled protective wall and cable groove, 12-harness screw, 13-mortar sitting groove, 14-common railing and 15-lotus railing.
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.
Example 1
Please refer to fig. 1-3, in the embodiment of the utility model, a structure is assembled in prefabrication of assembled bridge of high-speed railway, including precast tubular pile 1, cast-in-place cushion cap 3, prefabricated pier stud 5 of festival section, precast pier cap 7 and letter case roof beam 10, cast-in-place cushion cap 3 sets up many 1 upper ends of precast tubular pile, just reserve reinforcing bar 2 through the core-filling steel reinforcement cage on 1 top of precast tubular pile between precast tubular pile 1 and the cast-in-place cushion cap 3 and connect.
The segmental precast pier stud 5 is arranged on the cast-in-place bearing platform 3, the cast-in-place bearing platform 3 and the segmental precast pier stud 5 are connected through the reserved deformed steel bars 4 at the top of the cast-in-place bearing platform 3 and the grouting sleeves which are embedded at the bottom of the segmental precast pier stud 5 and have the same number, concrete surfaces are connected by a mortar sitting method, and a mortar sitting groove 13 is formed as shown in figure 1.
The prefabricated pier cap 7 is arranged on the segment prefabricated pier stud 5, the prefabricated pier cap 7 and the segment prefabricated pier stud 5 are connected through embedded threaded steel bars 6 at the top of the segment prefabricated pier stud 5 and embedded grouting sleeves at the bottom of the prefabricated pier cap 7, and concrete surfaces are connected through a mortar-grouting method; prefabricated pier cap stone 8 has been cast in situ on prefabricated pier cap 7, prefabricated pier cap stone 8 carries out cast in situ after prefabricated pier cap 7 assembles the completion.
The simply supported box girder 10 is arranged on the prefabricated pier cap 7 in a spanning mode, and the simply supported box girder 10 is connected with the prefabricated pier cap cushion stone 8 through the metal support 9.
Example 2
Referring to fig. 1-3, the present embodiment is different from embodiment 1 in that:
in this embodiment, still be provided with prefabricated protective wall and the cable duct 11 of assembling on the simply supported case roof beam 10, prefabricated protective wall and the cable duct 11 of assembling adopt whole prefabrication technology with traditional crashproof wall and cable duct, adopt pre-buried internal thread sleeve on the simply supported case roof beam 10, prefabricated protective wall and the cable duct 11 of assembling pass through harness cord screw 12 with pre-buried internal thread muffjoint on simply supported case roof beam 10, and adopt ordinary mortar to assemble prefabricated protective wall and the cable duct 11 of assembling and sit thick liquid with the simply supported case roof beam 10 contact surface and be connected, still alternative arrangement installs ordinary railing 14 and novel lotus railing 15 on prefabricated protective wall and the cable duct 11 of assembling, novel structure, it is pleasing to the eye, strengthened the adaptability with the environment.
In the embodiment, the precast tubular pile 1 is a high-strength prestressed tubular pile, is PHC-1000-AB-130 and belongs to a large-diameter tubular pile; the prefabricated tubular pile 1 is connected with the cast-in-place bearing platform 3 by the way that the top of the prefabricated tubular pile 1 extends into the cast-in-place bearing platform 3 for 15cm, the core filling part of the prefabricated tubular pile 1 is within a range of 6m below the top of the prefabricated tubular pile 1, and a core filling reinforcement cage extends into the cast-in-place bearing platform 3 for 72.6cm and is expanded into a horn mouth shape and is connected with the cast-in-place bearing platform 3 through reinforcement welding or binding.
In this embodiment, except for the bridge bearing platform adopting the cast-in-place process, the precast tubular pile 1, the segmental precast pier stud 5, the precast pier cap 7, the simply supported box girder 10, the precast assembled protective wall and cable duct 11, the common rail 14 and the lotus rail 15 are all constructed by adopting the factory precast field assembly, the cast-in-place bearing platform 3 is connected with the segmental precast pier stud 5 and the segmental precast pier stud 5 is connected with the precast pier cap 7 by steel bar connection and concrete member section connection, the steel bar connection adopts grouting sleeve connection, and the concrete section connection adopts high-strength fine stone concrete mortar setting connection.
This high-speed railway assembled bridge prefabrication assembles structure, when practical application, concrete operating procedure is as follows:
1) selecting a proper construction process of the precast tubular pile 1 according to the geological condition, and performing tubular pile construction;
2) the prefabricated tubular pile 1 is reliably connected with a cast-in-place bearing platform 3 by using a core-filling reinforcement cage reserved reinforcement 2, and reserved deformed steel bars 4 with specified specifications, types and quantity are embedded in the upper part of the cast-in-place bearing platform 3 by adopting a positioning tool;
3) grouting sleeves with the specification, the type and the number matched with the reserved deformed steel bars 4 of the cast-in-place bearing platform 3 are reserved at the bottoms of the segmental precast pier columns 5, the reserved deformed steel bars 4 are connected by adopting the grouting in the grouting sleeves to form bond stress during assembly, and the concrete contact surfaces of the members are connected by adopting a high-strength fine aggregate concrete setting process; the connection mode of the segment prefabricated pier stud 5 and the prefabricated pier cap 7 is the same as that of the segment prefabricated pier stud 5 and the cast-in-place bearing platform 3;
4) the prefabricated pier cap cushion stone 8 at the upper part of the prefabricated pier cap 7 adopts a cast-in-place process, and the installation of the metal support 9 and the erection of the simply supported box girder 10 are the same as those of the prior art; in addition, the prefabricated assembled protective wall and the cable groove 11 are assembled in an integral prefabricated site, an internal thread sleeve is embedded in a beam body in the assembling process and is connected with the integral prefabricated assembled protective wall and the cable groove 11 through a harness cord screw 12 and a bolt, and a concrete contact surface adopts a common mortar setting process or can be constructed by a grouting method;
5) in order to increase the overall beauty of the building and the coordination of the environment, the bridge deck system railings adopt a construction process of alternately arranging common railings 14 and lotus railings 15.
The prefabricated assembly structure of the assembled bridge of the high-speed railway is mainly used for the construction of the assembled bridge of the high-speed railway, and solves the problems of serious environmental pollution, poor quality and long construction period of the traditional drilled pile, cast-in-place pier body and cable groove of a protective wall; the construction method has the advantages of multiple operation surfaces at the installation site, convenience for site construction, acceleration of construction speed, realization of green construction of bridges, promotion of transformation and upgrade of traditional industries of enterprises, building material saving, construction cost reduction, energy saving, consumption reduction, dust reduction and less environmental pollution.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. The utility model provides a structure is assembled in prefabrication of assembled bridge of high-speed railway, includes precast tubular pile (1), cast-in-place cushion cap (3), prefabricated pier stud of segment (5), prefabricated pier cap (7) and simply supported case roof beam (10), its characterized in that:
the cast-in-place pile cap (3) is arranged at the upper ends of the precast tubular piles (1), and the precast tubular piles (1) are connected with the cast-in-place pile cap (3) through core-filling reinforcement cage reserved reinforcements (2) at the top ends of the precast tubular piles (1);
the segment prefabricated pier stud (5) is arranged on the cast-in-place bearing platform (3), and the cast-in-place bearing platform (3) and the segment prefabricated pier stud (5) are connected through steel bars by reserved deformed steel bars (4) at the top of the cast-in-place bearing platform (3) and grouting sleeves which are embedded at the bottom of the segment prefabricated pier stud (5) and have the same number;
the prefabricated pier cap (7) is arranged on the segment prefabricated pier stud (5), a pre-embedded threaded steel bar (6) at the top of the segment prefabricated pier stud (5) is connected with a pre-embedded grouting sleeve at the bottom of the prefabricated pier cap (7) between the prefabricated pier cap (7) and the segment prefabricated pier stud (5) through a steel bar, and a prefabricated pier cap stone pad (8) is cast on site on the prefabricated pier cap (7);
the simply supported box girder (10) is arranged on the prefabricated pier cap (7) in a spanning mode, and the simply supported box girder (10) is connected with the prefabricated pier cap cushion stone (8) through the metal support (9).
2. The precast construction structure of assembled bridge of high speed railway according to claim 1, characterized in that the simply supported box girder (10) is further provided with precast construction guard walls and cable troughs (11).
3. The prefabricated assembling structure of the assembled bridge of the high-speed railway according to claim 2, wherein an internal thread sleeve is embedded in the simply supported box girder (10), the prefabricated assembling protective wall and the cable groove (11) are connected with the internal thread sleeve embedded in the simply supported box girder (10) through a harness cord screw (12), and the contact surface of the prefabricated assembling protective wall and the cable groove (11) and the simply supported box girder (10) is connected by mortar.
4. The prefabricated assembly structure of assembled bridge of high-speed railway according to claim 3, characterized in that common railings (14) and lotus railings (15) are arranged on the prefabricated assembly protective wall and the cable trough (11) alternately.
5. The precast assembly structure of the assembled bridge of the high-speed railway according to any one of claims 1 to 4, wherein the precast tubular pile (1) is a high-strength prestressed tubular pile of the type PHC-1000-AB-130.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025720.8U CN210636312U (en) | 2019-07-03 | 2019-07-03 | Prefabricated structure of assembling of assembled bridge of high-speed railway |
| DE202020103270.4U DE202020103270U1 (en) | 2019-07-03 | 2020-06-08 | Prefabricated assembled structure for assembled high speed railway bridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025720.8U CN210636312U (en) | 2019-07-03 | 2019-07-03 | Prefabricated structure of assembling of assembled bridge of high-speed railway |
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| CN210636312U true CN210636312U (en) | 2020-05-29 |
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| CN201921025720.8U Active CN210636312U (en) | 2019-07-03 | 2019-07-03 | Prefabricated structure of assembling of assembled bridge of high-speed railway |
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| DE (1) | DE202020103270U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158484A (en) * | 2019-07-03 | 2019-08-23 | 中铁上海工程局集团有限公司 | A kind of high-speed railway packaged type bridges precast assembly structure and construction method |
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| CN110117932B (en) * | 2019-05-15 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Bridge construction separation reserved overhead station structure and construction method |
| CN112060307B (en) * | 2020-09-09 | 2022-06-17 | 中国建筑土木建设有限公司 | Segment box girder short line matching control and prefabricating construction method |
| CN112267379A (en) * | 2020-10-10 | 2021-01-26 | 中交一公局集团有限公司 | Positioning support for bridge assembly type lower structure |
| CN112095454A (en) * | 2020-10-14 | 2020-12-18 | 福州大学 | Prefabricated assembled pier column with main reinforcements connected through steel columns in welded mode and construction method of prefabricated assembled pier column |
| CN112095455A (en) * | 2020-10-16 | 2020-12-18 | 福州大学 | Prefabricated assembled pier column and construction method |
| CN114263093A (en) * | 2022-01-22 | 2022-04-01 | 郑州大学 | Fully-prefabricated assembled bridge and construction method |
| CN114438896A (en) * | 2022-02-22 | 2022-05-06 | 中铁二十一局集团路桥工程有限公司 | Assembling construction method for assembled segmental beam of 100t span-pier gantry crane |
| CN114790682A (en) * | 2022-04-12 | 2022-07-26 | 河北工程大学 | Node connecting device between prefabricated pier of assembled |
| CN114808654A (en) * | 2022-05-18 | 2022-07-29 | 中交一公局集团有限公司 | Fully-prefabricated assembled bridge and construction method thereof |
| CN114808675A (en) * | 2022-05-26 | 2022-07-29 | 中铁大桥局第七工程有限公司 | Method for mounting side span support |
| CN114960456B (en) * | 2022-06-30 | 2024-03-22 | 中国二十冶集团有限公司 | Precast pier bearing platform embedded bar positioning device and method |
| CN115506226B (en) * | 2022-10-19 | 2024-01-30 | 重庆交通大学 | Prefabricated assembled steel-concrete combined bridge structure and construction method thereof |
-
2019
- 2019-07-03 CN CN201921025720.8U patent/CN210636312U/en active Active
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2020
- 2020-06-08 DE DE202020103270.4U patent/DE202020103270U1/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158484A (en) * | 2019-07-03 | 2019-08-23 | 中铁上海工程局集团有限公司 | A kind of high-speed railway packaged type bridges precast assembly structure and construction method |
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| DE202020103270U1 (en) | 2020-06-24 |
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