CN108385512A - One kind being based on bolted modular assembly formula Hollow High Pier splicing structure and its practice - Google Patents
One kind being based on bolted modular assembly formula Hollow High Pier splicing structure and its practice Download PDFInfo
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- CN108385512A CN108385512A CN201810240739.8A CN201810240739A CN108385512A CN 108385512 A CN108385512 A CN 108385512A CN 201810240739 A CN201810240739 A CN 201810240739A CN 108385512 A CN108385512 A CN 108385512A
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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
-
- 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
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses one kind being based on bolted modular assembly formula Hollow High Pier splicing structure and its practice, and one long side prefabricated components end of component carries anchorage head reinforcing bar, and there are holes in corresponding position for matching short side component.Two short side component of component carries elongated reinforcing bar, and there are hole and Column groove holes for matching long side component.Precast Pier Columns with the prefabricated cylindrical shape reinforced concrete bar with WELDING STUDS in embedded bar same plane, while there are Column groove holes.The prefabricated protrusion cylinder concrete filled steel tube stick in pier stud upper surface is located at upper surface center, and there are Column groove holes for respective lower.Arc-shaped reinforcing bar hole is reserved on the outside of test specimen upper and lower surface.The present invention is integrated with Tenon and bolted thought, and connection is reliable, and operating process is simple, easy for construction, easily controllable, and high degree alleviates the heavy burden of loop wheel machine, accelerates construction progress, and ensures construction quality.
Description
Technical field
The invention belongs to science of bridge building fields, are related to the prefabricated assembled splicing design and construction building technology of bridge, tool
Body is related to a kind of based on bolted modular assembly formula Hollow High Pier splicing structure and its practice.
Background field
Science of bridge building is important traffic infrastructure, and energy-efficient, green low-carbon, environmental-friendly, high-performance durable will
It is the important development direction of future new era bridge construction.The complete quick building technology of prefabrication and assembly construction bridge is produced with bridge member
Workshop, component workshop processing quality high-durability is good, mechanization of building operation degree is high, working at height personnel are few, construction safety wind
Danger is compared with small, building waste is few, construction fugitive dust and noise pollution are small, construction speed substantially shortens that duration etc. is built on-site is all soon
More advantages.
Prefabrication and assembly construction technology has been obtained for being widely applied in bridge superstructure construction, prefabricated assembled bridge pier mesh
Preceding all just to have started in terms of technical research and engineering practice, there are no large-scale promotions.And current existing precast segment
Assembled bridge pier is all that segmentation precast assembly construction is longitudinally carried out along bridge pier.However under MODEL OVER COMPLEX TOPOGRAPHY, when such as alpine terrain,
The high pier of Bridges in Mountainous Areas is relatively conventional, and high pier is built into the key points and difficulties in entire bridge.The high pier of precast assembly/over-height pier mesh
It is preceding worldwide also in technical research and fundamental research stage, substantially there are no engineering practices.It is existing both at home and abroad
There is prefabricated assembled bridge pier due to the problems such as prefabricated subsection section is excessive, lifting and transport capacity are limited, does not adapt to mountain area height
The prefabricated assembled construction of pier bridge is constructed.
Thus, it is proposed that one kind being based on bolted modular assembly formula Hollow High Pier splicing structure and its practice, will
Prefabricated pier shaft is laterally divided into four modules, reduces the difficulty of lifting, and connection is reliable, stress is clear, easy for construction, reduces existing
Field workload avoids or reduces live reinforcement welding.
Invention content
The purpose of the present invention is to provide one kind based on bolted modular assembly formula Hollow High Pier splicing structure and
Its practice, to solve between precast hollow pier stud, between precast hollow pier stud and cushion cap and that hollow pier stud is assembled is reliable
Connection.
The technical solution adopted by the present invention is:The construction it is vertical on by cushion cap 1 and component 1,22 two types of component
Prefabricated subsection is spliced, and wherein component 22 is arranged on cushion cap 1, and multiple components 22 sequentially splice the main body for forming the construction
Structure, component 1 are arranged at the top of the agent structure of the construction;The horizontally-spliced pre- buried strap anchor by component 1, component 22
Gu head reinforcing bar 8 passes through bayonet joint with prepared screw-bolt hole hole 12 and embedded bar concrete rod 7 with preformed groove hole 13;It is perpendicular
To splicing by the Prefabricated concrete-filled steel tube on prefabricated subsection top between each component 22 and between component 22 and component 1
Stick 10 is connect with reserved cylindrical empty slot hole 11, and is inserted into arc-shaped steel in the arc-shaped bolt hole 9 of upper and lower prefabricated subsection
Muscle connects.Between prefabricated subsection by Tenon be bolted.
Prefabricated subsection includes reserved cylindrical empty slot hole 11, preformed groove hole 13, prepared screw-bolt hole hole 12, arc-shaped bolt hole
Hole 9, stock inlet 5 and grout outlet 6.
Pre- buried strap anchorage head reinforcing bar 8 is arranged the short side in the long side and component 22 of component 1, preformed groove hole 13 with it is reserved
Bolt hole 12 is preset in the long side of the short side and component 22 of component 1, carries the embedded bar concrete rod 7 of WELDING STUDS 14
It is preset in the short side of the short side and component 22 of component 1.Component 1, component 22 lower surface center be equipped with reserved circle
Cylinder empty slot hole 11, in component 1, the upper and lower surface of component 22 and end, there are arc-shaped bolt hole 9, component 1, structures
The upper surface center Prefabricated concrete-filled steel tube stick 10 of part 22.The lower part in prepared screw-bolt hole hole 12 is reserved with stock inlet 5, on
Portion is reserved with grout outlet 6.
Be filled with high-strength cement based sizing in the reserved cylindrical empty slot hole 11, prepared screw-bolt hole hole 12 by pipeline to
It is communicated with stock inlet 5 and grout outlet 6 outside, the cushion cap 1 is provided with high-strength mortar pad with the intersegmental joint face vertically connecting
Layer 4.
Above-mentioned prefabricated assembled Thin-wall Hollow Pier column joint construction method, includes the following steps:
1) factory makes precast concrete 1, component 22, and spiral shell is reserved in concrete component end by design position
Keyhole hole 12, reserved cylindrical empty slot hole 11, preformed groove hole 13, reserve arc-shaped bolt hole 9;Pre- buried strap anchorage head reinforcing bar 8,
Embedded bar concrete rod 7 with WELDING STUDS 14 is pierced by outward by concrete segment;It is reserved with WELDING STUDS 14 in design position
Concrete filled steel tube stick 10;Casting concrete vibrates, then upright to place maintenance.
2) after Precast Pier Columns segment is transported to scene, the connection of the horizontal direction upper member of pier stud is carried out, is connected by bolt
It connects, by prepared screw-bolt hole hole 12 and preformed groove hole 13 to pre- buried strap anchorage head reinforcing bar 8 and embedded bar concrete rod 7, is allowed to slotting
Enter in prepared screw-bolt hole hole 12, preformed groove hole 13, installs and tighten bolt.Then section is installed section by section, and the lower surface of pier stud is pre-
The cylindrical empty slot hole 11 alignment lower component Prefabricated concrete-filled steel tube stick 10 stayed, at the same by component 1, component 22 up and down
Arc-shaped bolt hole 9 is reserved to being combined in surface both sides and end, while arc-shaped reinforcing bar is inserted into prepared screw-bolt hole
In hole 9, make whole, in upper and lower arc-shaped hole both ends installation bolt gasket, pier stud verticality is adjusted in bolt anchoring
And take interim firm support.
In the upper surface of prefabricated pier, the cylindrical configuration of prefabricated protrusion, meanwhile, in the lower surface of another matched prefabricated pier
There are cylindrical hole slot holes, and on the outside of component upper and lower surface and end is connected using arc-shaped reinforcement bolt.Segment plane passes through
Embedded bar and matching hole are connected by screw bolts, and pass through spigot-and-socket matching assembly and filling on a small quantity at the construction field (site)
Slurry, complete interface connection, make up and down precast pier form entirety.
Advantageous effect:Tenon of the present invention is designed with bolt connection structure, and connection is reliable, structure stress is clear, greatly reduces
The heavy burden of loop wheel machine, operating process is simple, easy for construction, need not set up template and holder at the scene, can effectively reduce scene
The workload of concreting, avoids reinforcement welding, accelerates construction progress, and ensures construction quality, is a kind of advanced reliable pre-
Assembled Thin-wall Hollow Pier column joint tectonic sieving processed.
Description of the drawings
Fig. 1 is the horizontal section assembling organigram of Precast Pier Columns.
Fig. 2 .1 are the horizontal section assembling front construction schematic diagram of Precast Pier Columns one.
Fig. 2 .2 are the horizontal section assembling front construction schematic diagram of Precast Pier Columns two
Fig. 3 .1 are organigram one after the horizontal section assembling of Precast Pier Columns.
Fig. 3 .2 are organigram two after the horizontal section assembling of Precast Pier Columns.
Fig. 4 .1 are Precast Pier Columns vertical segment assembly front construction front view.
Fig. 4 .2 are Precast Pier Columns vertical segment assembly front construction vertical view.
Fig. 5 is organigram after Precast Pier Columns vertical segment assembly.
Fig. 6 be Precast Pier Columns vertical segment assembly after construct left view schematic diagram.
In figure:1-cushion cap;2-components two;3-components one;4-mortar beds;5-stock inlets;6-grout outlets;7—
Embedded bar concrete rod;8-pre- buried strap anchorage head reinforcing bars;9-arc-shaped bolt holes;10-Prefabricated concrete-filled steel tube sticks;
11-reserved cylindrical empty slot holes;12-prepared screw-bolt hole holes;13-preformed groove holes;14-WELDING STUDSs;15-bolt backing plates;
16-nuts.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and detailed description
As shown in figures 1 to 6, a kind of prefabricated assembled Thin-wall Hollow Pier column joint construction, including reserved cylindrical empty slot hole
11, stock inlet 5, grout outlet 6, bolt and bolt backing plate 15 reserve arc-shaped bolt hole 9, prepared screw-bolt hole hole 12, preformed groove
Hole 13.
The connector be Tenon and bolt connection structure, be arranged between multiple Precast Pier Columns segments 2 or cushion cap 1 with
Between Precast Pier Columns segment 2, in reinforcement member seam crossing face, layer sets high-strength mortar bed course 4
The short side in the long side and component 22 of component 1, preformed groove hole 13 and bolt hole 12 is arranged in anchorage head reinforcing bar 8
It is preset in the long side of the short side and component 22 of component 1, the embedded bar concrete rod 7 with WELDING STUDS 14 is preset in component
The short side of one 3 short side and component 22.Component lower surface center is reserved with cylinder empty slot hole 11, in component 1, structure
There are arc-shaped bolt hole 9, member upper surface center Prefabricated concrete-filled steel tube sticks for the upper and lower surface of part 22 and end
10.The prefabricated component is being reserved with stock inlet 5 with 12 lower part of bolt hole is stayed, and top is reserved with grout outlet 6.
Be filled with high-strength cement based sizing in the reserved cylindrical empty slot hole 11, prepared screw-bolt hole hole 12 by pipeline to
It is communicated with stock inlet 5 and grout outlet 6 outside, the cushion cap 1 is provided with high-strength mortar pad with the intersegmental joint face vertically connecting
Layer 4.
Above-mentioned prefabricated assembled Thin-wall Hollow Pier column joint construction method, includes the following steps:
1) factory makes precast concrete 1, component 22, and spiral shell is reserved in concrete component end by design position
Keyhole hole 12, reserved cylindrical empty slot hole 11, preformed groove hole 13, reserve arc-shaped bolt hole 9;Pre- buried strap anchorage head reinforcing bar 8,
Reinforced concrete bar 7 with WELDING STUDS 14 is pierced by outward by concrete segment;The steel pipe with WELDING STUDS 14 is reserved in design position
Concrete rod 10;Casting concrete vibrates, then upright to place maintenance.
2) after Precast Pier Columns segment is transported to scene, the connection of the horizontal direction upper member of pier stud is carried out, is connected by bolt
It connects, prepared screw-bolt hole hole 12 and preformed groove hole 13 is directed at anchorage head reinforcing bar 8 and reinforced concrete bar 7, are allowed to be inserted into reserved spiral shell
In croze hole 12, preformed groove hole 13, bolt is installed and tightened.Then section is installed section by section, the cylinder that the lower surface of pier stud is reserved
Shape empty slot hole 11 is directed at lower component Prefabricated concrete-filled steel tube stick 10, while by component one, two upper and lower surface both sides and end institute
Reserved arc-shaped bolt hole 9 is inserted into being combined, while by arc-shaped reinforcing bar in prepared screw-bolt hole hole 9, is made
Whole, in upper and lower arc-shaped hole both ends installation bolt gasket, bolt anchoring is adjusted pier stud verticality and is taken interim firm
Support.
3) it is pressed into high-strength cement based sizing from the stock inlet, until the grout outlet has underflow ejection, closed out
Mouth is starched, stock inlet is closed after holding pressure a period of time.
4) after natural curing for a period of time, interim firm support is removed, prefabricated assembled thin-wall hollow high-pier bridge can be thrown
Enter to use.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.In the present embodiment not
The available prior art of specific each component part is realized.
Claims (3)
1. one kind being based on bolted modular assembly formula Hollow High Pier splicing structure, it is characterised in that:The construction it is vertical
On be spliced by cushion cap (1) and component one (3), component two (2) two types prefabricated subsection, wherein component two (2) setting exists
On cushion cap (1), multiple components two (2) sequentially splice the agent structure for forming the construction, and the master in the construction is arranged in component one (3)
Body structural top;The horizontally-spliced pre- buried strap anchorage head reinforcing bar (8) by component one (3), component two (2) and prepared screw-bolt hole hole
(12) and embedded bar concrete rod (7) passes through bayonet joint with preformed groove hole (13);Vertical splicing is by each component two
(2) between and between component two (2) and component one (3) the Prefabricated concrete-filled steel tube stick (10) on prefabricated subsection top with it is reserved
Cylindrical empty slot hole (11) connection, and arch steel connection is inserted into the arc-shaped bolt hole (9) of upper and lower prefabricated subsection;
Between prefabricated subsection by Tenon be bolted;
Prefabricated subsection includes reserved cylindrical empty slot hole (11), preformed groove hole (13), prepared screw-bolt hole hole (12), arc-shaped bolt
Hole (9), stock inlet (5) and grout outlet (6);
The setting of pre- buried strap anchorage head reinforcing bar (8) the long side and component two (2) of component one (3) short side, preformed groove hole (13) with
Prepared screw-bolt hole hole (12) is preset in the long side of the short side and component two (2) of component one (3), carries the pre-buried steel of WELDING STUDS (14)
Reinforced concrete stick (7) is preset in the short side of the short side and component two (2) of component one (3);The following table of component one (3), component two (2)
Face center is equipped with reserved cylinder empty slot hole (11), component one (3), the upper and lower surface of component two (2) and end there are
Arc-shaped bolt hole (9), component one (3), component two (2) upper surface center Prefabricated concrete-filled steel tube stick (10);In advance
The lower part of bolt hole (12) is stayed to be reserved with stock inlet (5), top is reserved with grout outlet (6).
2. it is according to claim 1 a kind of based on bolted modular assembly formula Hollow High Pier splicing structure, it is special
Sign is:It is filled with high-strength cement based sizing in the reserved cylindrical empty slot hole (11), prepared screw-bolt hole hole (12) pass through pipe
It is communicated with stock inlet (5) and grout outlet (6) outside road direction, the cushion cap (1) is provided with the intersegmental joint face vertically connecting
High-strength mortar bed course (4).
3. special using the prefabricated assembled Thin-wall Hollow Pier column joint construction method of high pier splicing structure described in claim 1
Sign is, includes the following steps:
1) factory makes precast concrete one (3), component two (2), and spiral shell is reserved in concrete component end by design position
Keyhole hole (12), reserved cylindrical empty slot hole (11), preformed groove hole (13), reserve arc-shaped bolt hole (9);Pre- buried strap anchoring
Head reinforcing bar (8), the embedded bar concrete rod (7) with WELDING STUDS (14) are pierced by outward by concrete segment;It is pre- in design position
Stay the concrete filled steel tube stick (10) with WELDING STUDS (14);Casting concrete vibrates, then upright to place maintenance;
2) after Precast Pier Columns segment is transported to scene, the connection of the horizontal direction upper member of pier stud is carried out, is bolted, it will
Prepared screw-bolt hole hole (12) and preformed groove hole (13) are allowed to pre- buried strap anchorage head reinforcing bar (8) and embedded bar concrete rod (7)
It is inserted into prepared screw-bolt hole hole (12), preformed groove hole (13), installs and tighten bolt;Then section is installed section by section, will be under pier stud
Reserved cylindrical empty slot hole (11) the alignment lower component Prefabricated concrete-filled steel tube stick (10) in surface, while by component one (3), structure
Arc-shaped bolt hole (9) is reserved to being combined in the upper and lower surface both sides of part two (2) and end, while by arc-shaped reinforcing bar
It is inserted into prepared screw-bolt hole hole (9), makes whole, in upper and lower arc-shaped hole both ends installation bolt gasket, bolt anchors,
It adjusts pier stud verticality and takes interim firm support;
In the upper surface of prefabricated pier, the cylindrical configuration of prefabricated protrusion, meanwhile, the lower surface of another matched prefabricated pier there are
Cylindrical hole slot hole, on the outside of component upper and lower surface and end is connected using arc-shaped reinforcement bolt;Segment plane passes through pre-buried
Reinforcing bar and matching hole are connected by screw bolts, complete by spigot-and-socket matching assembly and grouting on a small quantity at the construction field (site)
Connected at interface, make up and down precast pier form entirety.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810240739.8A CN108385512A (en) | 2018-03-22 | 2018-03-22 | One kind being based on bolted modular assembly formula Hollow High Pier splicing structure and its practice |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810240739.8A CN108385512A (en) | 2018-03-22 | 2018-03-22 | One kind being based on bolted modular assembly formula Hollow High Pier splicing structure and its practice |
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CN108385512A true CN108385512A (en) | 2018-08-10 |
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CN201810240739.8A Withdrawn CN108385512A (en) | 2018-03-22 | 2018-03-22 | One kind being based on bolted modular assembly formula Hollow High Pier splicing structure and its practice |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109137721A (en) * | 2018-09-17 | 2019-01-04 | 中国二十冶集团有限公司 | A kind of prefabricated assembled suspension bridge bridge pier |
CN109457597A (en) * | 2018-10-22 | 2019-03-12 | 北京工业大学 | A kind of flat assembly prefabrication and assembly construction hollow pier splicing structure and its practice |
CN109778678A (en) * | 2019-01-30 | 2019-05-21 | 北京工业大学 | A kind of modularization precast and assembled reinforced concrete hollow pier construction and assembling method |
CN109822725A (en) * | 2019-03-11 | 2019-05-31 | 安徽理工大学 | A kind of mold and method for cement-soil with fiber test block production |
CN109853365A (en) * | 2019-03-18 | 2019-06-07 | 北京工业大学 | A kind of high pier construction of modularization prefabrication and assembly construction based on high-strength bolt connection and production method |
CN109881578A (en) * | 2019-03-20 | 2019-06-14 | 沈阳建筑大学 | The anticollision of urban air pavement supports cushion cap |
CN111409035A (en) * | 2019-01-08 | 2020-07-14 | 山东云晟智能科技有限公司 | Automatic inserting anchoring piece device |
CN113512935A (en) * | 2021-07-08 | 2021-10-19 | 中铁第五勘察设计院集团有限公司 | Temporary connection structure of prefabricated spliced bridge and prefabricated beam section |
CN113512934A (en) * | 2021-07-08 | 2021-10-19 | 中铁第五勘察设计院集团有限公司 | Temporary connection structure of prefabricated spliced bridge and prefabricated beam section |
CN114263093A (en) * | 2022-01-22 | 2022-04-01 | 郑州大学 | Fully-prefabricated assembled bridge and construction method |
-
2018
- 2018-03-22 CN CN201810240739.8A patent/CN108385512A/en not_active Withdrawn
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109137721A (en) * | 2018-09-17 | 2019-01-04 | 中国二十冶集团有限公司 | A kind of prefabricated assembled suspension bridge bridge pier |
CN109457597A (en) * | 2018-10-22 | 2019-03-12 | 北京工业大学 | A kind of flat assembly prefabrication and assembly construction hollow pier splicing structure and its practice |
CN111409035A (en) * | 2019-01-08 | 2020-07-14 | 山东云晟智能科技有限公司 | Automatic inserting anchoring piece device |
CN111409035B (en) * | 2019-01-08 | 2023-05-09 | 山东云晟智能科技有限公司 | Automatic insertion anchoring device |
CN109778678A (en) * | 2019-01-30 | 2019-05-21 | 北京工业大学 | A kind of modularization precast and assembled reinforced concrete hollow pier construction and assembling method |
CN109822725A (en) * | 2019-03-11 | 2019-05-31 | 安徽理工大学 | A kind of mold and method for cement-soil with fiber test block production |
CN109822725B (en) * | 2019-03-11 | 2020-10-27 | 安徽理工大学 | Mold and method for manufacturing fiber cement soil test block |
CN109853365A (en) * | 2019-03-18 | 2019-06-07 | 北京工业大学 | A kind of high pier construction of modularization prefabrication and assembly construction based on high-strength bolt connection and production method |
CN109881578A (en) * | 2019-03-20 | 2019-06-14 | 沈阳建筑大学 | The anticollision of urban air pavement supports cushion cap |
CN113512935A (en) * | 2021-07-08 | 2021-10-19 | 中铁第五勘察设计院集团有限公司 | Temporary connection structure of prefabricated spliced bridge and prefabricated beam section |
CN113512934A (en) * | 2021-07-08 | 2021-10-19 | 中铁第五勘察设计院集团有限公司 | Temporary connection structure of prefabricated spliced bridge and prefabricated beam section |
CN114263093A (en) * | 2022-01-22 | 2022-04-01 | 郑州大学 | Fully-prefabricated assembled bridge and construction method |
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Application publication date: 20180810 |