CN107524096A - A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method - Google Patents

A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method Download PDF

Info

Publication number
CN107524096A
CN107524096A CN201710954884.8A CN201710954884A CN107524096A CN 107524096 A CN107524096 A CN 107524096A CN 201710954884 A CN201710954884 A CN 201710954884A CN 107524096 A CN107524096 A CN 107524096A
Authority
CN
China
Prior art keywords
steel pipe
longitudinal
box
steel
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710954884.8A
Other languages
Chinese (zh)
Inventor
李超
戴俊男
陆斌
曾华彬
吴限
耿立明
蔡郗
简训
周鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Engineering Co Ltd of China Railway No 8 Engineering Group Co Ltd
Original Assignee
First Engineering Co Ltd of China Railway No 8 Engineering Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by First Engineering Co Ltd of China Railway No 8 Engineering Group Co Ltd filed Critical First Engineering Co Ltd of China Railway No 8 Engineering Group Co Ltd
Priority to CN201710954884.8A priority Critical patent/CN107524096A/en
Publication of CN107524096A publication Critical patent/CN107524096A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/10Cantilevered erection
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/20Concrete, stone or stone-like material
    • E01D2101/24Concrete

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The present invention relates to a kind of continuous girders by suspension grouting 0# blocks falling body type steel pipe support, including be located on the cushion cap of bridge pier steel pipe space framework, be located at steel pipe space framework upper end outer transverse distribution beam and interior transverse distribution beam, more longitudinal distribution beams are provided with outer transverse distribution beam and interior transverse distribution beam, more longitudinal distribution beams are located under the bottom plate of box beam, and bottom die of box-beam support component is provided with more longitudinal distribution beams;Further respectively have more longerons on outer transverse distribution beam both ends, under the projection for the flange plate that more longerons are located at box beam, box beam side form and edge of a wing support component are provided with more longerons.The present invention also provides a kind of erection method of continuous girders by suspension grouting 0# block cast-in-place supports.Good integrity of the present invention, rigidity and stability are high, sedimentation phenomenon will not occur in cast-in-place construction, it can be ensured that beam body absolute altitude and concrete quality;Existing hanging basket's components can not only be utilized to greatest extent, and can also be used as continuous beam temporary consolidation.

Description

A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method
Technical field
The present invention relates to Longspan Bridge engineering, and in particular to a kind of continuous girders by suspension grouting 0# blocks cast-in-place support and its side of setting up Method.
Background technology
In bridge construction, cast-in-situ continuous beam form of construction work is varied, and the continuous beam for crossing over extreme terrain uses more Hanging basket cantilever mode is constructed, and 0# blocks support cast-in-place is a particularly important part again in hanging basket cantilever construction, it is necessary to first Pour 0# blocks.0# blocks are typically poured using raft support method, after intensity reaches setting, then using 0# blocks as operating platform, The machinery of installation thereon, Hanging Basket etc. are symmetrically poured or assembled No. 1 block, No. 2 blocks, etc..The quality of general 0# blocks is very big, Concrete thickness is very thick, to bear big moment of flexure;Length is longer, to ensure that construction machinery is placed in enough spaces.For higher Bridge, 0# blocks more using on pier shaft mounting bracket form carry out cast-in-place, and shorter bridge, can be entered using console Row is cast-in-place, again can be according to bridge load size using full hall bowl buckle support or spiral steel pipe support shape during using console Formula.When using spiral steel pipe support built, the position of spiral steel pipe is often possible to and continuous beam temporary support steel pipe phase Conflict, causes support Design and constructional difficulties.Therefore, it is necessary to develop a kind of console mode spiral steel pipe support, and solves the side of setting up Method, it is allowed to that cast-in-place support function can be met, and is not clashed with temporary support steel pipe.CN 103669225A disclose " one Kind continuous beam 0# blocks supporting structure ".Bridge pier has two tube columns per side, and upright supports are on concrete bearing platform;Column top is set A carling being connected with bridge pier is put, carling is welded to connect with pier shaft built-in fitting and column top being directly welded to connect;It is short Crossbeam is set above longeron, and crossbeam length is suitable with bridge deck width, by the weldment fixed position on carling;Above crossbeam Array framed bent is set, and framed bent inner opposite end is welded to connect with bridge pier by built-in fitting, and is relatively fixed with crossbeam;Put above framed bent Put bottom die of box-beam.The supporting structure securely and reliably meets the force request of construction stage each operating mode;Work progress simple and fast, respectively Key position stress is clear and definite, convenient to check.Certainly, this be art a kind of good try.
The content of the invention
It is an object of the invention to provide a kind of continuous girders by suspension grouting 0# block cast-in-place supports, its good integrity, rigidity and stability Height, sedimentation phenomenon will not occur in cast-in-place construction, it can be ensured that beam body absolute altitude and concrete quality;Can not only be to greatest extent Using existing hanging basket's components, and can also be used as continuous beam temporary consolidation.The present invention also provides a kind of continuous girders by suspension grouting The erection method of 0# block cast-in-place supports.
A kind of continuous girders by suspension grouting 0# blocks falling body type steel pipe support of the present invention, including the steel being located on the cushion cap of bridge pier Pipe space framework, the outer transverse distribution beam for being located at steel pipe space framework upper end and interior transverse distribution beam, in outer transverse distribution beam and More longitudinal distribution beams are provided with above interior transverse distribution beam, more longitudinal distribution beams are located under the bottom plate of box beam, in institute State and bottom die of box-beam support component is provided with above more longitudinal distribution beams, it is characterized in that:On the outer transverse distribution beam both ends Face further respectively has more longerons, under the projection for the flange plate that the more longerons are located at box beam, on the more longerons Face is provided with box beam side form and edge of a wing support component.
Further, the steel pipe space framework includes:
More it is equidistant it is vertical be located at it is in front more close to the cushion cap front of bridge pier and the horizontal steel pipe at back edge, the cushion cap Root transverse direction steel pipe and more horizontal steel pipes of the cushion cap back are symmetrical two-by-two, and respectively under the bottom plate of box beam, and on End flushes with box beam bottom plate;
Longitudinal steel pipe at the more equidistant good the right edges in the cushion cap left side for being located at close bridge pier, more of the cushion cap left side are vertical It is symmetrical two-by-two to steel pipe and more longitudinal steel pipes on the right of the cushion cap, and respectively under the projection of the flange plate of box beam, And upper end flushes with box beam bottom plate;
More shaped steel brackets pass through the upper end of the more horizontal steel pipes one by one along longitudinal direction respectively, form T-shape structure;It is described Shaped steel bracket is welded and fixed close to one end of bridge pier with the steel plate being embedded in bridge pier, below the shaped steel bracket both sides respectively It is provided with shaped steel diagonal brace;
Connect to form stable steel pipe solid frame by structural steel connecting member between described more horizontal steel pipes, more longitudinal steel pipes Frame structure.
Further, two beam prestress wires are provided with every horizontal steel pipe, the lower end of the prestress wire leads to Cross that P anchors are anchored in cushion cap concrete, upper end is penetrated in box beam inner cabinet;
Further, the outer transverse distribution beam be arranged on more shaped steel brackets away from bridge pier side above;The interior transverse direction point More shaped steel brackets are arranged on above bridge pier side with beam;
More longitudinal distribution beams are equidistantly positioned above outer transverse distribution beam and interior transverse distribution beam;More longitudinal directions point It is adjusted with the change slope part below beam by bearing beam and leveling voussoir.
Further, the bottom die of box-beam support component is made up of the lumps of wood and decoration panel template, and the bed die component is located at more Above the distribution beam of root longitudinal direction, and it is close to the bottom plate of box beam.
Further, the box beam side form and edge of a wing support component are made up of support Hanging Basket side form and bowl buckle support, the bowl Button support is ridden upon above the more longerons, the support Hanging Basket side form also ride upon above more longerons and with the box beam Both sides connection.
Further, the horizontal steel pipe is identical with the diameter of longitudinal steel pipe, is spiral steel pipe.
A kind of building method of continuous girders by suspension grouting 0# blocks falling body type steel pipe support of the present invention, comprises the following steps:
The first step, pre-buried longitudinal steel pipe, horizontal steel pipe and prestress wire anchored end;
In bearing platform construction, the base steel plate of pre-buried horizontal steel pipe and the prestress wire anchored end of temporary support, and simultaneously The base steel plate of pre-buried longitudinal steel pipe;
Second step, weld longitudinal steel pipe, horizontal steel pipe;
The six roots of sensation is welded on the pre-buried base steel plate of cushion cap and connects horizontal steel pipe and eight longitudinal steel pipes, wherein six roots of sensation transverse direction steel pipe is located at Under the bottom plate of box beam, eight longitudinal steel pipes are located under the flange plate of box beam, and will face during installation in six roots of sensation transverse direction steel pipe When the prestress wire that supports, be attached between horizontal steel pipe, longitudinal steel pipe with structural steel connecting member;
3rd step, mount type steel corbel;
Hole is cut in the upper-center of six roots of sensation transverse direction steel pipe, shaped steel bracket, one end of shaped steel bracket and bridge are crossed in hole Pre-embedded steel slab is welded in pier, and diagonal brace shaped steel is welded below shaped steel bracket;
4th step, inside and outside transverse distribution beam is installed;
In more shaped steel brackets away from outer transverse distribution beam is set above bridge pier side, in more shaped steel brackets close to bridge pier one Transverse distribution beam in being set above side, more longitudinal directions are equidistantly positioned above outer transverse distribution beam and interior transverse distribution beam Distribution beam, the change slope part below more longitudinal distribution beams are adjusted by bearing beam and leveling voussoir;
5th step, lay bottom die of box-beam support component;
Bottom die of box-beam support component is laid on more longitudinal distribution beams, and is close to the bottom plate of box beam;The bottom die of box-beam Support component is made up of the lumps of wood and decoration panel template;
6th step, longeron and box beam side form and edge of a wing support component are installed;
More longerons are also set respectively on the outer transverse distribution beam both ends, and more longerons are located at the flange plate of box beam Under projection, box beam side form and edge of a wing support component are set on more longerons;Box beam side form and edge of a wing support component are by propping up Support basket side form and bowl buckle support composition, bowl buckle support are ridden upon above more longerons, and the support Hanging Basket side form also rides upon It is connected above more longerons and with the both sides of the box beam.
7th step, tensioning temporary support steel strand wires;After the completion of 0# blocks pour, tensioning temporary support in advance should on the inside of box beam Power steel strand wires.
Beneficial effects of the present invention:
Due to being mounted with the prestress wire of temporary support in horizontal steel pipe, and run through box beam bottom plate, in the interior case of box beam Indoor tensioning, form tension and compression combination with horizontal steel pipe, it is ensured that temporary support validity;Whole support installation operation letter Just, horizontal steel pipe and longitudinal steel pipe basic role are on cushion cap, base fixed;Structure is concise, good integrity, rigidity and stability Height, Hanging Basket material can be utilized to greatest extent, and in cast-in-place construction sedimentation phenomenon will not occur for bracket basis, it is ensured that beam body Absolute altitude and concrete quality, while steel pipe support and can uses as continuous beam temporary consolidation.
Brief description of the drawings
Fig. 1 is the arrangement schematic diagram that horizontal steel pipe and longitudinal steel pipe are in cushion cap;
Fig. 2 is the lateral of the present invention(Along the length direction of bridge)Schematic diagram;
Fig. 3 is the transverse direction of the present invention(Along the width of bridge)Schematic diagram;
Fig. 4 is Fig. 3 A-A sectional drawings.
In figure:1- cushion caps, 2- bridge piers, 3- box beams, 30- bottom plates, 31- flange plates, 40- transverse direction steel pipes, 41- longitudinal directions steel pipe, 5- structural steel connecting members, 6- shaped steel brackets, 7- shaped steel diagonal braces, 8- bearing beams, 9- distribute crossbeam outside, and crossbeam, 11- longitudinal directions are distributed in 10- Distribution beam, 12- longerons, 13- bowl buckle supports, 14- bottom die of box-beam support components, 15- support Hanging Basket side forms, 16- prestress steel twists Line, 17- leveling voussoirs.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to a kind of continuous girders by suspension grouting 0# blocks falling body type steel pipe support shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, including it is located at bridge Steel pipe space framework on the cushion cap 1 of pier 2, the outer transverse distribution beam 9 for being located at steel pipe space framework upper end and interior transverse distribution beam 10, more longitudinal distribution beams 11, more longitudinal distribution beams are provided with outer transverse distribution beam 9 and interior transverse distribution beam 10 Under the bottom plate 30 of box beam 3, bottom die of box-beam support component 14 is provided with more longitudinal distribution beams;Described outer More longerons 12 are further respectively had above the both ends of transverse distribution beam 9, the more longerons are located at the throwing of the flange plate 31 of box beam 3 Under shadow, box beam side form and edge of a wing support component are provided with the more longerons 12.
The steel pipe space framework includes:More(This example is 6)It is equidistant to be located at vertically before the cushion cap 1 of bridge pier 2 Side and the horizontal steel pipe 40 at back edge, described more in front horizontal steel pipes 40 of cushion cap 1 and more horizontal strokes of the back of cushion cap 1 It is symmetrical two-by-two to steel pipe 40, and respectively under the bottom plate 30 of box beam 3, and upper end flushes with the bottom plate 30 of box beam 3;
More(This example is 8)Longitudinal steel pipe 41 at the equidistant good the right edge in the left side of cushion cap 1 for being located at close bridge pier 2, it is described More longitudinal steel pipes 41 on the left side of cushion cap 1 and more longitudinal steel pipes 41 on described the right of cushion cap 1 are symmetrical two-by-two, and are located at case respectively Under the projection of the flange plate 31 of beam 3, and upper end flushes with the bottom plate 30 of box beam 3;
More(This example is 6)Shaped steel bracket 6 is formed respectively along longitudinal direction one by one through the upper end of described more horizontal steel pipes 40 T-shape structure;The shaped steel bracket 6 is welded and fixed close to one end of bridge pier 2 with the steel plate being embedded in bridge pier, the shaped steel ox Leg 6 is respectively arranged with shaped steel diagonal brace 7 below both sides;
Pass through the connection of structural steel connecting member 5 between described more horizontal steel pipes 40, more longitudinal steel pipes 41 and form stable steel pipe Space frame structure.
Two beam prestress wires 16 are provided with every horizontal steel pipe 40, the lower end of the prestress wire passes through P Anchor is anchored in the concrete of cushion cap 1, upper end is penetrated in the inner cabinet of box beam 3;Treat that 0# blocks carry out tensioning after the completion of pouring, with more preferable Play temporary support effect.
P anchors belong to flat anchor, are non-stretching end anchorages.It is with one block of plain plate that it, which is constructed, processes several anchor cup aperture above, so Steel strand wires are passed through into anchor cup aperture afterwards, locked with intermediate plate, then are anchored in concrete, the knot that the other end is extended to beyond concrete Structure, finished after concreting after intensity reaches, tensioning is carried out in the other end.
The outer transverse distribution beam 9 be arranged on more shaped steel brackets 6 away from the side of bridge pier 2 above;The interior transverse direction point More shaped steel brackets 6 are arranged on above the side of bridge pier 2 with beam 10;
More longitudinal distribution beams 11 are equidistantly positioned above outer transverse distribution beam 9 and interior transverse distribution beam 10;More Change slope part below longitudinal distribution beam 11 is adjusted by bearing beam 8 and leveling voussoir 17.
The bottom die of box-beam support component 14 is made up of the lumps of wood and decoration panel template, and the bed die component 14 is located at more and indulged It is close to above distribution beam 11, and with the bottom plate 30 of box beam 3.
The box beam side form and edge of a wing support component are made up of support Hanging Basket side form 15 and bowl buckle support 13, the bowl buckle branch Frame 13 is ridden upon above the more longerons 12, the support Hanging Basket side form 15 also ride upon more longerons 12 above and with it is described The both sides connection of box beam 3.
The horizontal steel pipe 40 is identical with the diameter of longitudinal steel pipe 41, is spiral steel pipe.
The horizontal steel pipe 40 can be as the case may be four, eight or ten, and longitudinal steel pipe 41 is according to tool Body situation can be four, the six roots of sensation or ten, that is, form further embodiment.
A kind of building method of continuous girders by suspension grouting 0# blocks falling body type steel pipe support of the present invention, comprises the following steps(Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4):
The first step, pre-buried longitudinal steel pipe, horizontal steel pipe and prestress wire anchored end;
When cushion cap 1 is constructed, the base steel plate of pre-buried horizontal steel pipe 40 and the anchored end of prestress wire 16 of temporary support, and The base steel plate of pre-buried longitudinal steel pipe 41 simultaneously;
Second step, weld longitudinal steel pipe, horizontal steel pipe;
The six roots of sensation is welded on the pre-buried base steel plate of cushion cap 1 and connects horizontal steel pipe 40 and eight longitudinal steel pipes 41, wherein six roots of sensation transverse direction steel Pipe 40 is located under the bottom plate 30 of box beam 3, and eight longitudinal steel pipes 41 are located under the flange plate 31 of box beam 3, and horizontal in the six roots of sensation By the prestress wire 16 of temporary support when being installed in steel pipe 40, connected between horizontal steel pipe 40, longitudinal steel pipe 41 with shaped steel Part 5 is attached;
3rd step, mount type steel corbel;
Cut hole in the upper-center of six roots of sensation transverse direction steel pipe 40, cross shaped steel bracket 6 in hole, one end of shaped steel bracket with Pre-embedded steel slab is welded in bridge pier 2, and diagonal brace shaped steel 7 is welded below shaped steel bracket;
4th step, inside and outside transverse distribution beam is installed;
In more shaped steel brackets 6 away from outer transverse distribution beam 9 is set above the side of bridge pier 2, in more shaped steel brackets 6 close to bridge Transverse distribution beam 10 in being set above the side of pier 2, it is equidistant above outer transverse distribution beam 9 and interior transverse distribution beam 10 to set Put more longitudinal distribution beams 11, the change slope part below more longitudinal distribution beams 11 is adjusted by bearing beam 8 and leveling voussoir 17 It is whole;
5th step, lay bottom die of box-beam support component;
Bottom die of box-beam support component 14 is laid on more longitudinal distribution beams 11, and is close to the bottom plate 30 of box beam 3;The case Beam bottom board support component 14 is made up of the lumps of wood and decoration panel template;
6th step, longeron and box beam side form and edge of a wing support component are installed;
More longerons 12 are also set respectively on the outer both ends of transverse distribution beam 9, more longerons are located at the edge of a wing of box beam 3 Under the projection of plate 31, box beam side form and edge of a wing support component are set on more longerons 12;Box beam side form and edge of a wing support Component is made up of support Hanging Basket side form 15 and bowl buckle support 13, and bowl buckle support 13 is ridden upon above more longerons 12, the support Hanging Basket side form 15 also rides upon more longerons 12 above and is connected with the both sides of the box beam 3.
7th step, tensioning temporary support steel strand wires;It is pre- in the inner side tensioning temporary support of box beam 3 after the completion of 0# blocks pour Prestress steel strand 16.

Claims (8)

1. a kind of continuous girders by suspension grouting 0# blocks falling body type steel pipe support, including it is located at bridge pier(2)Cushion cap(1)On steel pipe solid frame Frame, the outer transverse distribution beam for being located at steel pipe space framework upper end(9)With interior transverse distribution beam(10), in outer transverse distribution beam(9) With interior transverse distribution beam(10)More longitudinal distribution beams are provided with above(11), more longitudinal distribution beams are located at box beam(3)'s Bottom plate(30)Under, in more longitudinal distribution beams(11)Bottom die of box-beam support component is provided with above(14), it is characterized in that: The outer transverse distribution beam(9)More longerons are further respectively had above both ends(12), the more longerons are located at box beam(3)'s Flange plate(31)Projection under, in the more longerons(12)Box beam side form and edge of a wing support component are provided with above.
2. continuous girders by suspension grouting 0# blocks falling body type steel pipe support according to claim 1, it is characterized in that the steel pipe solid frame Frame includes:
More(6)It is equidistant to be located at vertically close to bridge pier(2)Cushion cap(1)Front and the horizontal steel pipe at back edge(40), The cushion cap(1)More horizontal steel pipes in front(40)With the cushion cap(1)More horizontal steel pipes of back(40)It is symmetrical two-by-two, And it is located at box beam respectively(3)Bottom plate(30)Under, and upper end is and box beam(3)Bottom plate(30)Flush;
More(8)It is equidistant to be located at close to bridge pier(2)Cushion cap(1)Longitudinal steel pipe at the good the right edge in the left side(41), it is described Cushion cap(1)More longitudinal steel pipes on the left side(41)With the cushion cap(1)More longitudinal steel pipes on the right(41)It is symmetrical two-by-two, and point Wei Yu not box beam(3)Flange plate(31)Projection under, and upper end is and box beam(3)Bottom plate(30)Flush;
More shaped steel brackets(6)The more horizontal steel pipes are passed through one by one along longitudinal direction respectively(40)Upper end, formed T-shape knot Structure;The shaped steel bracket(6)Close to bridge pier(2)One end be welded and fixed with the steel plate being embedded in bridge pier, the shaped steel bracket (6)Shaped steel diagonal brace is respectively arranged with below both sides(7);
More described horizontal steel pipes(40), more longitudinal steel pipes(41)Between pass through structural steel connecting member(5)Connection forms stable Steel pipe space frame structure.
3. filling continuous beam 0# block falling body type steel pipe supports according to claim 2, it is characterized in that:In every horizontal steel pipe (40)Inside it is provided with two beam prestress wires(16), the lower end of the prestress wire is anchored into cushion cap by P anchors(1)Coagulation In soil, upper end penetrate box beam(3)In inner cabinet.
4. filling continuous beam 0# block falling body type steel pipe supports according to claim 1 or 2, it is characterized in that:
The outer transverse distribution beam(9)It is arranged on more shaped steel brackets(6)Away from bridge pier(2)Above side;
The interior transverse distribution beam(10)It is arranged on more shaped steel brackets(6)Close to bridge pier(2)Above side;
More longitudinal distribution beams(11)It is equidistantly positioned in outer transverse distribution beam(9)With interior transverse distribution beam(10)It is upper Face;More longitudinal distribution beams(11)Following change slope part passes through bearing beam(8)And leveling voussoir(17)It is adjusted.
5. filling continuous beam 0# block falling body type steel pipe supports according to claim 1 or 2, it is characterized in that:The bottom die of box-beam Support component(14)It is made up of the lumps of wood and decoration panel template, the bed die component(14)It is located at more longitudinal distribution beams(11)On Face, and and box beam(3)Bottom plate(30)It is close to.
6. filling continuous beam 0# block falling body type steel pipe supports according to claim 1 or 2, it is characterized in that:The box beam side form And edge of a wing support component is by support Hanging Basket side form(15)With bowl buckle support(13)Composition, the bowl buckle support(13)Ride upon described More longerons(12)Above, the support Hanging Basket side form(15)Also more longerons are ridden upon(12)Above and with the box beam(3) Both sides connection.
7. filling continuous beam 0# block falling body type steel pipe supports according to claim 1 or 2, it is characterized in that:The horizontal steel pipe (40)With longitudinal steel pipe(41)Diameter it is identical, be spiral steel pipe.
8. a kind of building method of continuous girders by suspension grouting 0# blocks falling body type steel pipe support, comprises the following steps:
The first step, pre-buried longitudinal steel pipe, horizontal steel pipe and prestress wire anchored end;
In cushion cap(1)During construction, pre-buried horizontal steel pipe(40)Base steel plate and temporary support prestress wire(16)Anchor Fixed end, and simultaneously pre-buried longitudinal steel pipe(41)Base steel plate;
Second step, weld longitudinal steel pipe, horizontal steel pipe;
In cushion cap(1)The six roots of sensation is welded on pre-buried base steel plate and connects horizontal steel pipe(40)With eight longitudinal steel pipes(41), the wherein six roots of sensation Horizontal steel pipe(40)Positioned at box beam(3)Bottom plate(30)Under, eight longitudinal steel pipes(41)Positioned at box beam(3)Flange plate(31) Under, and in six roots of sensation transverse direction steel pipe(40)By the prestress wire of temporary support during interior installation(16), horizontal steel pipe(40), it is vertical To steel pipe(41)Between use structural steel connecting member(5)It is attached;
3rd step, mount type steel corbel;
In six roots of sensation transverse direction steel pipe(40)Upper-center cutting hole, shaped steel bracket is crossed in hole(6), the one of shaped steel bracket End and bridge pier(2)Middle pre-embedded steel slab is welded, and diagonal brace shaped steel is welded below shaped steel bracket(7);
4th step, inside and outside transverse distribution beam is installed;
In more shaped steel brackets(6)Away from bridge pier(2)Outer transverse distribution beam is set above side(9), in more shaped steel brackets (6)Close to bridge pier(2)Transverse distribution beam in being set above side(10), in outer transverse distribution beam(9)With interior transverse distribution beam (10)Above be equidistantly positioned more longitudinal distribution beams(11), more longitudinal distribution beams(11)Following change slope part passes through pad Beam(8)And leveling voussoir(17)It is adjusted;
5th step, lay bottom die of box-beam support component;
In more longitudinal distribution beams(11)Bottom die of box-beam support component is laid above(14), and and box beam(3)Bottom plate(30)Tightly Patch;The bottom die of box-beam support component(14)It is made up of the lumps of wood and decoration panel template;
6th step, longeron and box beam side form and edge of a wing support component are installed;
In the outer transverse distribution beam(9)More longerons are also set respectively above both ends(12), more longerons are located at box beam(3) Flange plate(31)Projection under, in more longerons(12)Box beam side form and edge of a wing support component are set above;Box beam side form And edge of a wing support component is by support Hanging Basket side form(15)With bowl buckle support(13)Composition, bowl buckle support(13)Ride upon more longerons (12)Above, the support Hanging Basket side form(15)Also more longerons are ridden upon(12)Above and with the box beam(3)Both sides connect Connect;
7th step, tensioning temporary support steel strand wires;After the completion of 0# blocks pour, in box beam(3)Tensioning temporary support in inner side in advance should Power steel strand wires(16).
CN201710954884.8A 2017-10-13 2017-10-13 A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method Pending CN107524096A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710954884.8A CN107524096A (en) 2017-10-13 2017-10-13 A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710954884.8A CN107524096A (en) 2017-10-13 2017-10-13 A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method

Publications (1)

Publication Number Publication Date
CN107524096A true CN107524096A (en) 2017-12-29

Family

ID=60685134

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710954884.8A Pending CN107524096A (en) 2017-10-13 2017-10-13 A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method

Country Status (1)

Country Link
CN (1) CN107524096A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108589551A (en) * 2018-06-07 2018-09-28 中交路桥华南工程有限公司 Pier stud 0# beam section cast-in-place supports
CN109338896A (en) * 2018-11-28 2019-02-15 中国铁建大桥工程局集团有限公司 A kind of wide cut concrete PK box beam bracket system construction method
CN114382018A (en) * 2022-01-20 2022-04-22 浙江交工集团股份有限公司 Cast-in-place box girder 0# block and construction method thereof
CN114438895A (en) * 2022-02-22 2022-05-06 中铁二十一局集团路桥工程有限公司 Support structure for segment prefabricated 0# block prestressed box girder and construction method
CN114872169A (en) * 2022-04-21 2022-08-09 中建八局第二建设有限公司 Leveling assembly and prefabricated track beam template manufacturing device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010015178A1 (en) * 2008-08-06 2010-02-11 中铁大桥局股份有限公司 Upper-bearing typed movable formwork
CN202347446U (en) * 2011-12-06 2012-07-25 中铁四局集团第一工程有限公司 Supporting structure for construction of zero block of reinforced concrete continuous beam
CN103132460A (en) * 2011-11-28 2013-06-05 上海市基础工程有限公司 Concrete filled steel tubular temporary consolidation system of cast-in-cantilever beam
CN103410102A (en) * 2013-08-29 2013-11-27 浙江省宏途交通建设有限公司 H-shaped double column pier wide-bridge-surface cantilever temporary consolidation structure and construction method thereof
CN103669225A (en) * 2013-12-30 2014-03-26 中铁五局(集团)有限公司 Continuous beam 0# block support and installing method
CN103669226A (en) * 2013-12-25 2014-03-26 中建六局土木工程有限公司 River-crossing prestressed concrete continuous beam bridge box girder 0# block support construction method
CN105714692A (en) * 2016-03-02 2016-06-29 中建三局基础设施工程有限公司 Cast-in-cantilever beam concrete filled steel tube temporary concretion system
CN207891754U (en) * 2017-10-13 2018-09-21 中铁八局集团第一工程有限公司 A kind of continuous girders by suspension grouting 0# block cast-in-place supports

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010015178A1 (en) * 2008-08-06 2010-02-11 中铁大桥局股份有限公司 Upper-bearing typed movable formwork
CN103132460A (en) * 2011-11-28 2013-06-05 上海市基础工程有限公司 Concrete filled steel tubular temporary consolidation system of cast-in-cantilever beam
CN202347446U (en) * 2011-12-06 2012-07-25 中铁四局集团第一工程有限公司 Supporting structure for construction of zero block of reinforced concrete continuous beam
CN103410102A (en) * 2013-08-29 2013-11-27 浙江省宏途交通建设有限公司 H-shaped double column pier wide-bridge-surface cantilever temporary consolidation structure and construction method thereof
CN103669226A (en) * 2013-12-25 2014-03-26 中建六局土木工程有限公司 River-crossing prestressed concrete continuous beam bridge box girder 0# block support construction method
CN103669225A (en) * 2013-12-30 2014-03-26 中铁五局(集团)有限公司 Continuous beam 0# block support and installing method
CN105714692A (en) * 2016-03-02 2016-06-29 中建三局基础设施工程有限公司 Cast-in-cantilever beam concrete filled steel tube temporary concretion system
CN207891754U (en) * 2017-10-13 2018-09-21 中铁八局集团第一工程有限公司 A kind of continuous girders by suspension grouting 0# block cast-in-place supports

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108589551A (en) * 2018-06-07 2018-09-28 中交路桥华南工程有限公司 Pier stud 0# beam section cast-in-place supports
CN109338896A (en) * 2018-11-28 2019-02-15 中国铁建大桥工程局集团有限公司 A kind of wide cut concrete PK box beam bracket system construction method
CN109338896B (en) * 2018-11-28 2020-12-01 中国铁建大桥工程局集团有限公司 Construction method of broad-width concrete PK box girder support system
CN114382018A (en) * 2022-01-20 2022-04-22 浙江交工集团股份有限公司 Cast-in-place box girder 0# block and construction method thereof
CN114438895A (en) * 2022-02-22 2022-05-06 中铁二十一局集团路桥工程有限公司 Support structure for segment prefabricated 0# block prestressed box girder and construction method
CN114872169A (en) * 2022-04-21 2022-08-09 中建八局第二建设有限公司 Leveling assembly and prefabricated track beam template manufacturing device
CN114872169B (en) * 2022-04-21 2023-11-14 中建八局第二建设有限公司 Leveling assembly and prefabricated track beam template manufacturing device

Similar Documents

Publication Publication Date Title
CN107524096A (en) A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method
CN106677070A (en) Construction support and method for overhead large-span heavy-duty cross beam
CN108035554B (en) Construction method of section steel column support frame of super high-rise building frame column
CN105040970A (en) High formwork system of comprehensive gymnasium and construction method thereof
JP5045214B2 (en) Column head construction method
CN205857032U (en) The toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket
CN105568870B (en) For the triangle hanging basket method cantilever device and its construction method of cross-line bridge construction
CN106012851B (en) Steel box-girder and performance of concrete column confined method for synchronously constructing
CN210067002U (en) Support-free assembled frame structure system
CN102418385A (en) Novel reinforced concrete prefabricated whole-poured building structure system and construction method thereof
CN113638304B (en) Concrete beam type bridge hidden cover beam structure system and construction method thereof
CN107435335A (en) Brick retaining wall steel bar girder hardened system and method on foundation pit enclosure top beam
CN107882328B (en) Construction method of large-span steel truss suspension structure
CN110409624A (en) A kind of installation of large scale equipment and main structure be inverse to be made to calculate and construction method
CN104831639A (en) Consolidation and release construction method for 0# blocks of ultra-wide non-uniform continuous beam
CN112095495A (en) Bridge underpinning support structure and construction method
CN110107075B (en) Large-span step-by-step cantilever inclined strut structure based on pull-up and pull-down embedded structure and construction method thereof
CN205242268U (en) Anchor triangular bracket
CN205242278U (en) A triangle string basket method is hanged and is watered device for deck bridge construction
US4344262A (en) Long span structural frame
CN203238950U (en) Concrete beam formwork supported by trusses suspended in air
CN207891754U (en) A kind of continuous girders by suspension grouting 0# block cast-in-place supports
CN204780635U (en) Super wide nonprismatic continuous beam 0# piece concreties and relieves construction structures
JP7370626B2 (en) Side span support structure for a continuous T-girder viaduct spanning the existing railway line
CN207244633U (en) Brick retaining wall steel bar girder hardened system on foundation pit enclosure top beam

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20171229