CN106638336B - Cross-line continuous beam method for dismounting and dismounting holder - Google Patents
Cross-line continuous beam method for dismounting and dismounting holder Download PDFInfo
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- CN106638336B CN106638336B CN201610918643.3A CN201610918643A CN106638336B CN 106638336 B CN106638336 B CN 106638336B CN 201610918643 A CN201610918643 A CN 201610918643A CN 106638336 B CN106638336 B CN 106638336B
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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Abstract
The invention discloses a kind of cross-line continuous beam method for dismounting, include the following steps:S1:Set up holder;S2:The interim pads of Dun Liang;S3:Lateral slitting;S4:Piecemeal is hung;S5:Removal bracket.The invention also discloses dismounting holders in preceding method, the holder includes support element and anchor ear, the support element is arranged on the cushion cap of corresponding bridge pier bottom periphery and parallel with bridge pier, support element is by the anchor ear lock ring in bridge pier side, it is taken at the top of two adjacent support elements equipped with distribution beam group, the distribution beam group top is installed with the support bracket for bearing bridge weight when removing bridge.The method of the present invention has many advantages, such as safety and stability, construction environmental protection, and holder has the advantages that easy to operate, reasonable high using mechanics principle and construction efficiency.
Description
Technical field
Bridge structure demolition technique field more particularly to a kind of cross-line continuous beam method for dismounting the invention mainly relates to as,
Further relate to the cross-line continuous beam dismounting holder of aforementioned cross-line continuous beam method for dismounting.
Background technology
Current bridge application is sorted out, demolition blasting method and machinery can be divided into(Non- explosion)Two big classes of dismounting method
Not, each classification contains a variety of different applications again, there is the respective scope of application.Bridging toughening mostly uses blasting procedure, straight
The method of abolishing, mechanical hoisting method are connect, but generally Mechanical Method is used to remove across the existing circuit bridge that is open to traffic.Mechanical removal method refers to utilizing
The forms such as mechanical equipment is crushed bridge, divides, handling are removed.Water Bridge mostly uses crane barge lifting and removes, land
Floor-engaging frame method is removed frequently with compared with large-tonnage loop wheel machine bulk.But there are security protections for existing cross-line continuous beam method for dismounting
Not in place, the problems such as supporting construction is unreasonable, hanging device model used is big, safe construction is affected to a certain extent.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, a kind of safety and stability, construction environmental protection are provided
Cross-line continuous beam method for dismounting, correspondingly provide used in preceding method it is a kind of it is easy to operate, rationally utilize mechanics principle
The cross-line continuous beam dismounting holder high with construction efficiency.
In order to solve the above technical problems, the present invention uses following technical scheme:
A kind of cross-line continuous beam method for dismounting, includes the following steps:
S1:Set up holder:It is to set up basis with bridge pier, cross-line road surface, sets up holder along bridge pier side, the beam body of bridge is whole
Body is carried on holder;
S2:The interim pads of Dun Liang:By in across beam body and bridge pier between gap with rubber cushion blocks snap up pad temporarily
It is real, it is ensured that for beam body in cutting process, load is effectively passed to bridge pier;
S3:Lateral slitting:Therefrom across span centre position cut off beam body, using the bridge pier for padding position that snaps up temporarily as beam body
Stress supporting point, while cutting beam body to the bridge pier direction for padding position that snaps up from place of incision temporarily, self extending stitches position
To snapping up temporarily, beam body is symmetrically cut in the bridge pier direction for padding position successively, and beam body transverse direction slitting is cut into plate beam element, plate
Beam element is fallen on holder;
S4:Piecemeal is hung:The plate beam element of cutting is hung successively to designated position using hanging device;
S5:Removal bracket:After the completion of waiting for that plate beam element is hung, holder is dismantled.
It is further improved as to above-mentioned technical proposal.
The step of setting up holder in the step S1 be specially:The support element for being parallel to bridge pier is set up along bridge pier side, with
Support element is support, and distribution beam group and support bracket, the support bracket are set up in the top between the support element of adjacent bridge pier
Top be tightly attached to the lower part of beam body.
Set up in the step S1 distribution beam group and support bracket the specific steps are:Between the support element of adjacent bridge pier
Top set up distribution beam group, distribution beam group top be laid with support bracket until support bracket at the top of be tightly attached to beam body
Lower part, gap snap up padding using wedge type block between distribution beam group and support bracket.
Distribution beam group is set up in the step S1 and the specific steps of support bracket further include:In beam body both sides support bracket
Top erection construction occasional passage, construction occasional passage on the outside of safety device is set.
Where hanging device is located at plate beam element to be hung in the step S4 on the same track on cross-line road surface.
The step S5 the specific steps are:In same cut direction, after the completion of waiting for that all plate beam elements are hung, to
The holder below plate beam element is hung to dismantle by cross from top to down.
It is that rope is sawed that device therefor is cut in the step S3.
The inventive concept total as one is removed the present invention also provides a kind of cross-line continuous beam used in preceding method and is used
Holder, the holder include support element and anchor ear, and the support element is arranged on the cushion cap of corresponding bridge pier bottom periphery and and bridge
Pier is parallel, and support element is taken at the top of bridge pier side, two adjacent support elements equipped with distribution beam group by the anchor ear lock ring, described
The support bracket for bearing bridge weight when removing bridge is installed at the top of distribution beam group.
It is further improved as to above-mentioned technical proposal:
Support element positioned at bridge both ends is arranged in the inside portion of corresponding bridge pier, the setting of centrally located support element
In the both sides of corresponding bridge pier.
The holder further includes connector and diagonal brace, and the both ends of the distribution beam group are fixed on adjacent by the connector
Two support elements top, described diagonal brace one end and support element waist are affixed, and the other end and the bottom on distribution beam group side edge are affixed.
The distribution beam group includes more than two longitudinal stake top distribution beams, Bailey beam and lateral small distribution beam, the shellfish
Lei Liang is fixed between longitudinal stake top distribution beam and the small distribution beam of the transverse direction, and the middle part of the longitudinal direction stake top distribution beam is logical
The top that the connector is fixed on the support element is crossed, the bottom on the side edge of the longitudinal direction stake top distribution beam passes through the diagonal brace
One end be fixed on the support element waist, the Bailey beam is welded in the top of longitudinal stake top distribution beam, described to hold
Weight holder is installed on the top of laterally small distribution beam.
The support bracket is full hall scaffold.
The support element is connected to by reinforcing bar and Interal fixation on the cushion cap.
The support element is steel column.
Compared with the prior art, the advantages of the present invention are as follows:
The cross-line continuous beam method for dismounting of the present invention, support element play a part of to carry cutting beam body temporarily;By in across beam
Gap between body and bridge pier, which with rubber cushion blocks snap up temporarily, to be padded, and the beam body weight concentration after cut-out is transferred to bridge pier
In substructure, the carrying risk of holder is reduced;Therefrom across span centre position cut-out beam body after, along place of incision to intermediate pier side
To lateral symmetry cutting, mechanics principle is rationally utilized, the safety for reducing cutting difficulty, improving construction.
The present invention cross-line continuous beam dismounting holder, support element be arranged on the cushion cap of corresponding bridge pier bottom periphery and with
Bridge pier is parallel, and support element is taken at the top of bridge pier side, two adjacent support elements equipped with distribution beam group by the anchor ear lock ring, point
With the support bracket being installed at the top of beam group for bearing bridge weight when removing bridge.The support element generation being supported on cushion cap
Vibration hammer Driven-in Pile Foundations have been replaced, construction has been facilitated, saves the time, reduces cost.Support element is by anchor ear lock ring in bridge pier side
Portion reduces construction input, ensure that the stability of support element.Installing distribution beam group is taken at the top of mounted adjacent supporting piece
And support bracket, the safety of construction is improved, it is easy for construction, efficient.The beam body of support bracket and bridge is held out against, i.e. beam portion
Load pass to support bracket, be then passed to support element and cushion cap.
Description of the drawings
Fig. 1 is the flow chart of cross-line continuous beam method for dismounting of the present invention.
Fig. 2 is the construction front view of cross-line continuous beam method for dismounting of the present invention.
Fig. 3 is the construction vertical view of cross-line continuous beam method for dismounting of the present invention.
Fig. 4 is lateral slitting beam body cut direction schematic diagram of the invention.
Fig. 5 is the construction hoisting figure of cross-line continuous beam method for dismounting of the present invention.
Fig. 6 is the installation procedure figure of cross-line continuous beam dismounting holder of the present invention.
Each label indicates in figure:
1, cushion cap;2, holder;22, support element;24, anchor ear;25, distribution beam group;251, longitudinal stake top distribution beam;252, shellfish
Lei Liang;253, lateral small distribution beam;26, connector;27, support bracket;28, diagonal brace;3, beam body;31, plate beam element;4, across
Circuit surface;5, construction occasional passage;6, safety device;7, bridge pier;8, hanging device;9, rubber cushion blocks.
Specific implementation mode
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As shown in Fig. 1 to 5, a kind of cross-line continuous beam method for dismounting of the invention includes the following steps:
S1:Set up holder:It is to set up basis with bridge pier 7, cross-line road surface 4, holder 2, the beam of bridge is set up along 7 side of bridge pier
3 integrated carrying of body is on holder 2;
S2:The interim pads of Dun Liang:By in across beam body 3 and bridge pier 7 between gap snapped up temporarily with rubber cushion blocks 9
It pads, it is ensured that for beam body 3 in cutting process, load is effectively passed to bridge pier 7;
S3:Lateral slitting:Therefrom across span centre position cut off beam body 3, with the bridge pier 7 for padding position that snaps up temporarily for beam body
3 stress supporting point, while cutting beam body 3 to 7 direction of bridge pier for padding position that snaps up from place of incision temporarily, self extending seam
Beam body 3 is symmetrically cut in position successively to 7 direction of bridge pier for padding position that snaps up temporarily, and the lateral slitting of beam body 3 is cut into plate-girder
Unit 31, plate beam element 31 are fallen on holder 2;
S4:Piecemeal is hung:The plate beam element 31 of cutting is hung successively to designated position using hanging device 8;
S5:Removal bracket:After the completion of waiting for that plate beam element 31 is hung, holder 2 is dismantled.
Support element 22 plays a part of to carry cutting beam body 3 temporarily;By in across beam body 3 and bridge pier 7 between gap use rubber
Rubber cushion block 9 is snapped up temporarily to be padded, and 3 weight of the beam body concentration after cut-out is transferred in 7 substructure of bridge pier, holder is reduced
2 carrying risk;Therefrom across span centre position cut-out beam body 3 after, along place of incision to the lateral symmetry cutting in intermediate pier direction, close
Reason utilizes mechanics principle, the safety for reducing cutting difficulty, improving construction.
The step of holder 2 are set up in step S1 be specially:The support element 22 for being parallel to bridge pier 7 is set up along 7 side of bridge pier, with
Support element 22 is support, and distribution beam group 25 and support bracket 27, load-bearing are set up in the top between the support element 22 of adjacent bridge pier 7
It is tightly attached to the lower part of beam body 3 in the top of holder 27.
Set up in step S1 distribution beam group 25 and support bracket 27 the specific steps are:In the support element 22 of adjacent bridge pier 7
Between top set up distribution beam group 25, distribution beam group 25 top be laid with support bracket 27 until support bracket 27 top
It is tightly attached to the lower part of beam body 3, gap snap up padding using wedge type block between distribution beam group 25 and support bracket 27.
The specific steps that distribution beam group 25 and support bracket 27 are set up in step S1 further include:In 3 both sides load-bearing branch of beam body
Safety device 6 is arranged in 5 outside of construction occasional passage in the top erection construction occasional passage 5 of frame 27.
Hanging device 8 is located on the same track on 31 place cross-line road surface 4 of plate beam element to be hung in step S4.This reality
Apply in example, hanging device 8 used is loop wheel machine, and unit type is relatively small when the relatively large beam body of loop wheel machine releases, loop wheel machine erect-position with wait for
31 place cross-line road surface of plate beam element, 4 position consistency of cutting avoids interfering the driving of opposite runway, reduces construction pair
The influence of original traffic meets and protects logical requirement.
Step S5 the specific steps are:In same cut direction, after the completion of waiting for that all plate beam elements 31 are hung, to having hung
The holder 2 for putting 31 lower section of plate beam element is dismantled by cross from top to bottom.
It is that rope is sawed that device therefor is cut in step S3.
The cut direction of lateral slitting beam body is in step S3:Main span successively by span centre to pier top, end bay by abutment pier into
Across pier top.
The cross-line continuous beam method for dismounting of the present invention is removed using full Support Method machine cuts, i.e., uses beam body 3 to be removed
The holder 2 of pier beam type closed supports+steel pipe scaffold combination is supported, and so that 3 weight of beam body is all born by holder 2, then
With cutting equipment, i.e. rope saw, transverse cuts beam body 3, the plate beam element 31 that beam body 3 is decomposed into fritter lifts, and completes bridge
Beam is removed, and construction method is more ripe.
As shown in figure 5, a kind of cross-line continuous beam dismounting holder of the present invention, holder 2 includes support element 22 and anchor ear 24,
Support element 22 is arranged on the cushion cap 1 of 7 bottom periphery of corresponding bridge pier and parallel with bridge pier 7, and support element 22 passes through 24 lock ring of anchor ear
In 7 side of bridge pier, adjacent two support elements, 22 top is taken equipped with distribution beam group 25, and 25 top of distribution beam group is installed with for tearing open
The support bracket 27 of bridge weight is born when except bridge.The support element 22 being supported on cushion cap 1 squeezes into pile foundation instead of vibration hammer
Plinth facilitates construction, saves the time, reduces cost.Support element 22, in 7 side of bridge pier, reduces construction by 24 lock ring of anchor ear
Input, ensure that the stability of support element 22.Installing distribution beam group 25 and load-bearing are taken at 22 top of mounted adjacent supporting piece
Holder 27 improves the safety of construction, easy for construction, efficient.Support bracket 27 and the beam body of bridge hold out against, i.e. beam portion
Load passes to support bracket 27, is then passed to support element 22 and cushion cap 1.
Support element 22 positioned at bridge both ends is arranged in the inside portion of corresponding bridge pier 7, centrally located support element
22 are arranged in the both sides of corresponding bridge pier 7.
Holder 2 further includes connector 26 and diagonal brace 28, and the both ends of distribution beam group 25 are fixed on adjacent by connector 26
The top of two support elements 22,28 one end of diagonal brace and 22 waist of support element are affixed, and the other end and the bottom on 25 side edge of distribution beam group are solid
It connects.
Distribution beam group 25 includes more than two longitudinal stake top distribution beams 251, Bailey beam 252 and lateral small distribution beam 253,
Bailey beam 252 is fixed between longitudinal stake top distribution beam 251 and laterally small distribution beam 253, the middle part of longitudinal stake top distribution beam 251
The top of support element 22 is fixed on by connector 26, the bottom on the side edge of longitudinal stake top distribution beam 251 passes through the one of diagonal brace 28
End is fixed on 22 waist of support element, and Bailey beam 252 is welded in the top of longitudinal stake top distribution beam 251, and support bracket 27 is installed
In the top of laterally small distribution beam 253.
In the present embodiment, support bracket 27 is full hall scaffold.
In the present embodiment, support element 22 is connected to by reinforcing bar and Interal fixation on cushion cap 1.
In the present embodiment, longitudinal stake top distribution beam 251 is column top-type steel distribution beam.
In the present embodiment, support element 22 is steel column.
As shown in fig. 6, the installation method of the cross-line continuous beam dismounting holder of the present embodiment is as follows:
(1)Cushion cap reference plane is levelling:Just levelling post-installing rebar is carried out on cushion cap 1 to construct again steel plate, ensures support element
22 loads uniformly transfer, it is ensured that stability, the globality of support element 22;
(2)Support element is installed:Basis is set up using cushion cap 1 as holder, support element 22 is installed on cushion cap 1, makes to hold
The beam body and holder gravity of 1 bearing support of platform, holder will not fall, and further increase the safety assurance coefficient of construction;
(3)Anchor ear is constructed:Support element 22 is fixedly connected by anchor ear 24 and bridge pier 7, holder attachment is made to be fixed on
Bridge pier 7 ensures the stability of support element 22, so as to improve the stability of bridging toughening;
(4)Distribution beam group is installed:
(4-1)Longitudinal stake top distribution beam installation:Longitudinal stake top distribution beam 251 is added at the top of mounted support element 22
And be connected and fixed using connector 26, setting not only combines Bridge Types in this way, but also installation is quickly, conveniently, safely, to
Keep bridging toughening simple and practicable;
(4-2)Bailey beam, laterally small distribution beam installation:Bailey beam is installed in longitudinal stake top distribution beam 251 using loop wheel machine
252, load is uniformly transferred by steel plate welding, then laterally small distribution beam 253 is installed on it;
(5)Support bracket is installed:Full framing is set up in distribution beam group 25 as support bracket, in this way, bridge
Lower section is all supported with holder, on the one hand can be improved the safety of construction, on the other hand can be reduced the staffing of construction site.
Continuous beam is three-span continuous beam in the present embodiment, and beam body 3 is split up into the plate beam element 31 of six equal portions, application tool
Body is as follows:First holder 2 is set up along bridge pier 7;3 bottom of beam body is snapped up with holder 2 and is padded, after pad is met the requirements, therefrom across across
Middle position cuts off beam body 3, is cut to the symmetric transverse bridge pier 7 for padding position that snaps up temporarily at along place of incision or expansion joint position
It cuts;The plate beam element 31 that cutting is formed is hung with automobile loop wheel machine successively;After the completion of waiting for that plate beam element 31 is hung, to holder
2 are dismantled.
In the present embodiment, in step sl, after setting up holder 2, by across beam body 3 and bridge pier 7 between gap face
When snap up and pad so that in across beam body 3 and 7 close note of bridge pier it is real, sturdy short position is adjusted with holder, ensures cutting
Plate beam element 31 after beam body 3 can steadily be fallen on holder 2, while construction occasional passage 5 is arranged in 3 both sides of beam body, and construction is faced
5 outsides Shi Tongdao plus safety device 6, the present embodiment is close mesh bar-mat reinforcement and green king, and safety guide rail is arranged, further
Improve the safety of construction.
In the present embodiment, in step s3, to be changed into approximate statically determinate system from maneuvering system when cutting beam body 3, cut
It cuts and should ensure that self extending stitches position to the interim pad that snaps up when being cut to the bridge pier 7 for padding position that snaps up temporarily along span centre position
7 direction of bridge pier of real part position symmetrical simultaneously should cut beam body 3 successively, ensure beam body 3 to be cut and 7 substructure of bridge pier always at
T shapes.
In the present embodiment, before carrying out step S2, the wing plate of cross-line continuous beam is first subjected to excision and is hung, can guarantee plate
31 main body of beam element is the cuboid of a slip gauge then, and stress when being hung convenient for plate beam element 31 makes to hang process more steady
Reliably.
In the present embodiment, cut using rope saw, it is convenient and reliable using rope saw cut, noise can be reduced to ambient enviroment
's.
In the present embodiment, in step s 4, the erect-position of hanging device 8 is identical with 3 place overbridge road surface position of beam body, waits for
After the completion of all plate beam elements 31 are hung, the progress of holder 2 is dismantled from top to bottom, by cross, is operated in this way, on the one hand can improve and apply
On the other hand the safety of work can reduce the staffing of construction site, basic to realize that hang work synchronous with dismantlement work
It carries out, construction efficiency can be improved, while reducing the interference to opposite runway, meet and protect logical requirement.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, every
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (14)
1. a kind of cross-line continuous beam method for dismounting, it is characterised in that include the following steps:
S1:Set up holder:With bridge pier(7), cross-line road surface(4)To set up basis, along bridge pier(7)Set up holder in side(2), bridge
Beam body(3)Integrated carrying is in holder(2)On;
S2:The interim pads of Dun Liang:By in across beam body(3)And bridge pier(7)Between gap rubber cushion blocks(9)It is copied temporarily
Heelpiece is real, it is ensured that beam body(3)In cutting process, load is effectively passed to bridge pier(7);
S3:Lateral slitting:Therefrom across span centre position cut off beam body(3), with the bridge pier for padding position that snaps up temporarily(7)For beam body
(3)Stress supporting point, from place of incision temporarily to the bridge pier for padding position that snaps up(7)Cut beam body in direction(3)While, from
Expansion joint position pads the bridge pier at position to snapping up temporarily(7)Beam body is symmetrically cut successively in direction(3), by beam body(3)Laterally divide
Item cuts into plate beam element(31), plate beam element(31)It falls in holder(2)On;
S4:Piecemeal is hung:Utilize hanging device(8)By the plate beam element of cutting(31)It is hung successively to designated position;
S5:Removal bracket:Wait for plate beam element(31)After the completion of hanging, to holder(2)It is dismantled.
2. method according to claim 1, it is characterised in that:Holder is set up in the step S1(2)The step of be specially:Edge
Bridge pier(7)Side, which is set up, is parallel to bridge pier(7)Support element(22), with support element(22)To support, in adjacent bridge pier(7)Branch
Support member(22)Between top set up distribution beam group(25)And support bracket(27), the support bracket(27)Top be tightly attached to
Beam body(3)Lower part.
3. method according to claim 2, it is characterised in that:Distribution beam group is set up in the step S1(25)And support bracket
(27)The specific steps are:In adjacent bridge pier(7)Support element(22)Between top set up distribution beam group(25), in distribution beam
Group(25)Top be laid with support bracket(27)Until support bracket(27)Top be tightly attached to beam body(3)Lower part, distributing
Beam group(25)With support bracket(27)Between gap snap up padding using wedge type block.
4. according to method described in claim 3, it is characterised in that:Distribution beam group is set up in the step S1(25)With load-bearing branch
Frame(27)Specific steps further include:In beam body(3)Both sides support bracket(27)Top erection construction occasional passage(5),
Construction occasional passage(5)Safety device is arranged in outside(6).
5. according to any one of claims 1 to 4 the method, it is characterised in that:Hanging device in the step S4(8)It is located at
Plate beam element to be hung(31)Place cross-line road surface(4)Same track on.
6. according to the method described in claim 5, it is characterized in that:The step S5 the specific steps are:In same cutting side
Upwards, all plate beam elements are waited for(31)Completion is hung, to having hung plate beam element(31)The holder of lower section(2)From top to bottom by cross
Dismounting.
7. according to any one of claims 1 to 4 the method, it is characterised in that:Device therefor is cut in the step S3 is
Rope saw.
8. a kind of cross-line continuous beam dismounting holder applied to any one of claim 1 to 7 the method, feature exists
In:The holder(2)Including support element(22)And anchor ear(24), the support element(22)It is arranged in corresponding bridge pier(7)Bottom week
The cushion cap enclosed(1)Upper and and bridge pier(7)It is parallel, support element(22)Pass through the anchor ear(24)Lock ring is in bridge pier(7)Side, it is adjacent
Two support elements(22)It takes equipped with distribution beam group at top(25), the distribution beam group(25)Top is installed with for removing bridge
When bear the support bracket of bridge weight(27).
9. holder according to claim 8, it is characterised in that:Support element positioned at bridge both ends(22)It is arranged in corresponding bridge
Pier(7)Inside portion, centrally located support element(22)It is arranged in corresponding bridge pier(7)Both sides.
10. holder according to claim 9, it is characterised in that:The holder(2)It further include connector(26)And diagonal brace
(28), the distribution beam group(25)Both ends pass through the connector(26)It is fixed on two adjacent support elements(22)Top,
The diagonal brace(28)One end and support element(22)Waist is affixed, the other end and distribution beam group(25)The bottom on side edge is affixed.
11. holder according to claim 10, it is characterised in that:The distribution beam group(25)Including more than two longitudinal stakes
Push up distribution beam(251), Bailey beam(252)With laterally small distribution beam(253), the Bailey beam(252)It is fixed on longitudinal stake
Push up distribution beam(251)With the small distribution beam of the transverse direction(253)Between, the longitudinal direction stake top distribution beam(251)Middle part pass through institute
State connector(26)It is fixed on the support element(22)Top, the longitudinal direction stake top distribution beam(251)Side edge bottom it is logical
Cross the diagonal brace(28)One end be fixed on the support element(22)On waist, the Bailey beam(252)It is welded in the longitudinal direction
Stake top distribution beam(251)Top, the support bracket(27)It is installed on laterally small distribution beam(253)Top.
12. according to any one of claim 8 to 11 holder, it is characterised in that:The support bracket(27)For full hall foot hand
Frame.
13. according to any one of claim 8 to 11 holder, it is characterised in that:The support element(22)Pass through reinforcing bar and steel
Plate is fixedly connected on the cushion cap(1)On.
14. according to any one of claim 8 to 11 holder, it is characterised in that:The support element(22)For steel column.
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CN107268463B (en) * | 2017-08-18 | 2018-12-28 | 中铁二局集团有限公司 | A kind of continuous beam method for dismounting |
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CN108589564A (en) * | 2018-04-17 | 2018-09-28 | 成都西南交大研究院有限公司 | A kind of bridge static state cutting whole into sections method for dismounting based on non-explosion |
CN111535190A (en) * | 2020-05-08 | 2020-08-14 | 安徽伟宏钢结构集团股份有限公司 | Bridge mounting and dismounting construction method with high safety |
CN113089510A (en) * | 2021-04-14 | 2021-07-09 | 四川省交通建设集团股份有限公司 | Method for dismantling reinforced concrete continuous box girder overpass bridge |
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