CN105442457B - Construction structure and method for extending bridge floor plate bridge filled with fine sand - Google Patents
Construction structure and method for extending bridge floor plate bridge filled with fine sand Download PDFInfo
- Publication number
- CN105442457B CN105442457B CN201610002481.9A CN201610002481A CN105442457B CN 105442457 B CN105442457 B CN 105442457B CN 201610002481 A CN201610002481 A CN 201610002481A CN 105442457 B CN105442457 B CN 105442457B
- Authority
- CN
- China
- Prior art keywords
- abutment
- fine sand
- template
- parados
- floorings
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
-
- 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
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
-
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
THE invention relates to a construction structure and method for an extending bridge floor plate bridge filled with fine sand. The structure comprises a bridge abutment. A support for supporting a main beam is arranged on a bridge abutment body. Filling behind the abutment is arranged on the rear side of the bridge abutment. A first formwork is erected in the gap between the bottom face of the main beam and the top face of the bridge abutment body. A second formwork is erected in the gap between the side face of the main beam and the inner side face of a bridge abutment stop piece. A third formwork is erected on the bridge abutment stop piece. By means of the first formwork, the second formwork and the third formwork, a filling space can be defined by the bottom face of the main beam, the side face of the main beam, the top face of the bridge abutment body, the inner side face of the bridge abutment stop piece and the front side face of a bridge abutment back wall. The filling space is filled with fine sand from the gap between the end of the main beam and the front side face of the bridge abutment back wall. A layer of slippage material is arranged on the fine sand, the bridge abutment back wall and the filling behind the abutment. An extending bridge floor plate is poured on the slippage material. Fine sand which can be removed after filling is used as the temporary support when the extending bridge floor plate is poured, and construction problems are effectively avoided.
Description
Technical field
The present invention relates to a kind of extension floorings bridge construction structure of employing fine sand filling and construction method.
Background technology
The secondary adverse effect that what bridge expanssion joint was brought jump car and produces because expansion joint is damaged is (as attached in structure
Plus internal force, leak are to corrosion of structure etc.) it is the thorny problem that current domestic and abroad bridge is frequently encountered in actual operation.By
Not only very big percussion is caused to bridge and road surface in the bumping at bridge-head that retractor device causes, but also can reduce driver and
The driving comfort level of passenger.Additionally, with the increasingly increase of traffic flow, the maintenance to retractor device often causes with changing
Serious interruption of communication, and then produce huge economic loss.As can be seen here, solve the series of problems that bridge expanssion joint brings
It has been imperative.For the solution of expansion joint problem, generally there are following two thinkings: one is improvement retractor device, but
It is maintenance and the replacing problem that it does not thoroughly eliminate retractor device, cure the symptoms, not the disease；Two is by reducing the flexible dress of bridge floor
Put or cancel bridge extension joint, fundamentally to solve the problems, such as retractor device.
At present, seamless bridge common in the world includes overall bridge, semi-monolithic bridge and extends floorings bridge, wherein extends bridge floor
The slab bridge scope of application is the widest.Extend floorings bridge to refer to using the seamless bridge extending floorings abutment.Extend floorings abutment
Refer to floorings across the expansion joint being provided between parados and girder, couple or cross the bridge that parados is coupled with corbel back slab with parados
Platform.Still there is expansion joint between girder and abutment parados, but jointless on floorings, also expansion joints.Extend floorings bridge
Because girder is less to suffered constraint rigidity in vertical bridge, so girder axial elastic deformation's very little that temperature change causes, beam
The flexible main of body guides itself and joint of leading the way into by extending floorings.Compared with typically seamed bridge, extension bridge panel seamless
Bridge can reduce construction and the maintenance cost of bridge, simplifies the construction of bridge, improves the driving performance of bridge, improves the durable of bridge
Property and anti-seismic performance.
Extend the extension floorings in floorings bridge, according to conventional construction method, traditional plank sheathing or punching block need to be laid
Plate, as bed die, extends bridge deck concrete for cast in situs.But after concreting, bed die cannot be removed, and not only causes
Material resources wastes, simultaneously template be permanently present as unnecessary component, it is possible to create lead to the abnormal hidden danger of joints.If
Do not lay traditional plank sheathing or steel form as bed die, extend in the concreting process of floorings, concrete is easily from abutment
Drop at expansion joint between parados and girder, so that the concreting of extension floorings cannot be completed.According to asphalt felt, plating
The flexible materials such as zine plate as bed die, due to flexible material insufficient rigidity, concrete own wt and live process of vibrating shadow
Ring, easily cause extension floorings bottom surface concrete parts or the total blockage abutment at the expansion joint between abutment parados and girder
Expansion joint between parados and girder, and then affect to extend the vertical bridge of floorings bridge girder to flexible, lead to extend floorings bridge
Girder and extension floorings are subject to extra pulling force to ftracture.
Content of the invention
In view of the deficiencies in the prior art, the technical problem to be solved is to provide a kind of easy construction reliably to adopt
Extension floorings bridge construction structure and construction method with fine sand filling.
In order to solve the above problems, a technical scheme of the present invention is: a kind of extension floorings bridge of employing fine sand filling
Constructing structure, including the abutment being made up of abutment abutment body, abutment parados and abutment block, described abutment abutment body is provided with support
The bearing of girder, bankets after being provided with platform on rear side of described abutment, and described bottom plane of main girder is had with the gap erection of abutment abutment body top surface
The first template at abutment abutment body top surface leading edge, there is position described girder side with the gap erection of abutment block inboard side
The second template at abutment block inboard side leading edge, described abutment block is added to be provided with the 3rd mould being close proximity to abutment parados
Plate, described first template, the second template and the 3rd template make bottom plane of main girder, girder side, abutment abutment body top surface, in abutment block
Side and abutment parados leading flank surround a packing space, and described packing space is from end of main beam and abutment parados leading flank
Gap is inserted fine sand and is compacted, and bankets after fine sand between described end of main beam and abutment parados leading flank, abutment parados and platform
On be disposed with one layer of gliding material as cast in situs bed die, described gliding material has poured one layer of armored concrete with
Formed and extend floorings.
In further preferred version, described 3rd template top surface and abutment parados top surface flush.
The top after fine sand compacting in further preferred version, between described end of main beam and abutment parados leading flank
Face and abutment parados top surface flush.
In further preferred version, described gliding material is asphalt felt or galvanized sheet.
In further preferred version, described abutment abutment body, abutment parados and abutment block pass through prefabrication and lifting or existing
Field pours the abutment that mode forms an entirety.
In further preferred version, described girder is arranged on bearing by prefabrication and lifting or cast in situs mode.
In further preferred version, described first template, the second template and the 3rd template are extending the mixed of floorings
Solidifying soil intensity is removed after reaching requirement.
In further preferred version, described fine sand is removed after the first template, the second template and the 3rd form removable.
In order to solve the above problems, the present invention another solution is that a kind of extension floorings of employing fine sand filling
Bridge construction method, sequentially includes the following steps:
(1) abutment abutment body, abutment parados and abutment block adopt ordinary reinforced concrete cast in situs or prefabrication and lifting fixed
Position, forms abutment；After concrete strength reaches design requirement, in abutment abutment body top surface erection support；Adopt according to job specfication
Water penetration backfill material bankets after carrying out platform on rear side of abutment and is compacted；
(2) girder is taken prefabrication and lifting to be positioned on bearing or is formed on bearing according to design requirement cast in situs；
(3) gap at bottom plane of main girder with abutment abutment body top surface leading edge sets up the first template, in girder side and bridge
Gap at platform block inboard side leading edge sets up the second template, sets up and abutment parados top surface flush on abutment block
3rd template, makes bottom plane of main girder, girder side, abutment abutment body top surface, abutment block inboard side and abutment parados leading flank surround
One packing space；
(4) insert fine sand to packing space and be compacted from the gap of end of main beam and abutment parados leading flank, make master
The top surface after fine sand compacting between beam end and abutment parados leading flank and abutment parados top surface flush；
(5) banket after the fine sand between end of main beam and abutment parados leading flank, abutment parados and platform on arrange one layer
As the gliding material of cast in situs bed die, form sliding surface it is ensured that linear deformation under temperature change for the bridge deck is moved；
(6) attachment strap reinforcing bar poured in place concrete after colligation platform on gliding material, forms and extends floorings；
(7) when the concrete strength extending floorings reaches design requirement, the first template, the second template and the are first removed
Three templates, then the fine sand filled is purged.
Compared with prior art, the method have the advantages that being in loose under natural endowment by using fine sand
The little characteristic of shape, inner frictional resistance is filled the gap to realize abutment parados and girder and is removed；By using the intensity of fine sand high,
Easily compacting, high stability are sufficient filling with the gap to realize abutment parados and girder, extend bridge deck concrete as pouring
Temporary support；Compared with conventional engineering technology, extension floorings bridge construction structure and construction method using fine sand filling are effective
Avoid various construction difficult problems it is adaptable to after the girder-abutment parados-platform of extension bridge panel seamless bridge attachment strap node construction.
Brief description
Fig. 1 is the structural representation after abutment construction.
Fig. 2 is the longitudinal section schematic diagram of abutment and girder bridging arrangement.
Fig. 3 is the side schematic view of abutment and girder bridging arrangement.
Fig. 4 is the floor map of the extension floorings bridge using fine sand filling.
Fig. 5 is the cross-sectional of the extension floorings bridge construction structure using fine sand filling.
Fig. 6 is the floor map of extension floorings bridge construction step (1) using fine sand filling.
Fig. 7 is the floor map of extension floorings bridge construction step (2) using fine sand filling.
Fig. 8 is the floor map of extension floorings bridge construction step (3) using fine sand filling.
Fig. 9 is the floor map of extension floorings bridge construction step (4) using fine sand filling.
Figure 10 is the floor map of extension floorings bridge construction step (5) using fine sand filling.
Figure 11 is the floor map of extension floorings bridge construction step (6) using fine sand filling.
In figure labelling: 1- abutment abutment body, 2- abutment parados, 3- bearing, banket after 4- platform, 5- girder, 6- abutment block, 7-
First template, 8- second template, 9- the 3rd template, 10- fine sand, 11- gliding material, 12- extends floorings.
Specific embodiment
In order to allow the features described above of the present invention and advantage to become apparent, special embodiment below, and coordinate accompanying drawing, make in detail
Carefully it is described as follows.
As shown in Fig. 1 ~ 11, a kind of extension floorings bridge construction structure of employing fine sand filling, including by abutment abutment body 1,
Abutment parados 2 and the abutment of abutment block 6 composition, described abutment abutment body 1 is provided with the bearing 3 of support girder 5, described abutment
Rear side bankets 4 after being provided with platform, and the gap of described girder 5 bottom surface and abutment abutment body 1 top surface sets up to be had positioned at abutment abutment body 1 top surface
The first template 7 at leading edge, described girder 5 side is had in abutment block 6 with the gap erection of abutment block 6 medial surface
The second template 8 at the leading edge of side, described abutment block 6 is added to be provided with the 3rd template 9 being close proximity to abutment parados 2, described
First template 7, the second template 8 and the 3rd template 9 make girder 5 bottom surface, girder 5 side, abutment abutment body 1 top surface, in abutment block 6
Side and abutment parados 2 leading flank surround a packing space, and described packing space is on front side of girder 5 end with abutment parados 2
The gap in face is inserted fine sand 10 and is compacted, the fine sand 10 between described girder 5 end and abutment parados 2 leading flank, abutment parados 2
It is disposed with one layer of gliding material 11 as cast in situs bed die with banketing after platform on 4, described gliding material 11 has poured
One layer of armored concrete extends floorings 12 to be formed.
In embodiments of the present invention, the construction of gliding material 11 for convenience, described 3rd template 9 top surface and abutment parados
2 top surface flush, between described girder 5 end and abutment parados 2 leading flank fine sand 10 compacting after top surface also with Abutment Back
Wall 2 top surface flush.Described gliding material 11 preferentially adopts asphalt felt or galvanized sheet, but is not limited thereto, certainly acceptable
Using other flexible materials.
In embodiments of the present invention, described abutment abutment body 1, abutment parados 2 and abutment block 6 can by prefabrication and lifting or
Cast in situs mode forms the abutment of an entirety；Described girder 5 can be arranged in by prefabrication and lifting or cast in situs mode
On bearing 3.
In embodiments of the present invention, described first template 7, the second template 8 and the 3rd template 9 are extending the mixed of floorings 12
Solidifying soil intensity is removed after reaching requirement；Described fine sand 10 is removed after the dismounting of the first template 7, the second template 8 and the 3rd template 9.
As shown in Fig. 1 ~ 11, a kind of extension floorings bridge construction method of employing fine sand filling, sequentially include the following steps:
(1) abutment abutment body 1, abutment parados 2 and abutment block 6 adopt ordinary reinforced concrete cast in situs or prefabrication and lifting
Positioning, forms abutment；After concrete strength reaches design requirement, in abutment abutment body 1 top surface erection support 3；According to job specfication
Carry out banketing 4 and be compacted on rear side of abutment after platform using the good backfill material of water penetration.
(2) girder 5 takes prefabrication and lifting to be positioned to form on bearing 3 on bearing 3 or according to design requirement cast in situs.
(3) gap at girder 5 bottom surface with abutment abutment body 1 top surface leading edge sets up the first template 7, in girder 5 side
Set up the second template 8 with the gap at abutment block 6 inner side forward edge, abutment block 6 sets up and abutment parados 2 top surface
3rd template 9 of flush, makes girder 5 bottom surface, girder 5 side, abutment abutment body 1 top surface, abutment block 6 medial surface and Abutment Back
Wall 2 leading flank surrounds a packing space.
(4) insert fine sand 10 to packing space and be compacted from the gap of girder 5 end and abutment parados 2 leading flank,
Top surface after making the fine sand 10 between girder 5 end and abutment parados 2 leading flank be compacted and abutment parados 2 top surface flush.
(5) banket after the fine sand 10 between girder 5 end and abutment parados 2 leading flank, abutment parados 2 and platform cloth on 4
Put one layer of gliding material 11 as cast in situs bed die, form sliding surface it is ensured that longitudinal direction under temperature change for the bridge deck
Displacement.
(6) attachment strap reinforcing bar poured in place concrete after colligation platform on gliding material 11, forms and extends floorings 12.
(7) when the concrete strength extending floorings 12 reaches design requirement, the first template 7, the second template 8 are first removed
With the 3rd template 9, then the fine sand filled 10 is purged.
In embodiments of the present invention, the girder 5 of step (2) both can take prefabricated, by Traditional Transportation mode by prefabricated master
Beam 5 is transported to job site, and carries out girder 5 installation positioning using hanging device, can become according to design requirement cast in situs again
Shape.
In embodiments of the present invention, the gliding material 11 of step (5) preferentially adopts asphalt felt or galvanized sheet, but does not limit to
In this, certainly can also be using other flexible materials.
In embodiments of the present invention, step (7) can be using the method such as artificial removing or giant flushing, by filled
Fine sand 10 is disposed.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that under the enlightenment of the present invention other are each
The extension floorings bridge construction structure of employing fine sand filling of the form of kind and construction method.All according to scope of the present invention patent institute
The impartial change done and modification, all should belong to the covering scope of the present invention.
Claims (9)
1. a kind of extension floorings bridge construction structure of employing fine sand filling, keeps off including by abutment abutment body, abutment parados and abutment
The abutment of block composition, described abutment abutment body is provided with the bearing of support girder, bankets after being provided with platform on rear side of described abutment, its
It is characterised by: described bottom plane of main girder sets up, with the gap of abutment abutment body top surface, first having at abutment abutment body top surface leading edge
Template, described girder side sets up, with the gap of abutment block inboard side, second having at abutment block inboard side leading edge
Template, described abutment block is added to be provided with the 3rd template being close proximity to abutment parados, described first template, the second template and the 3rd
Template makes bottom plane of main girder, girder side, abutment abutment body top surface, abutment block inboard side and abutment parados leading flank surround one to fill out
Fill space, described packing space is inserted fine sand and is compacted from the gap of end of main beam and abutment parados leading flank, described girder end
It is disposed with one layer on banketing after fine sand between portion and abutment parados leading flank, abutment parados and platform to use as cast in situs bed die
Gliding material, described gliding material has poured one layer of armored concrete to form extension floorings.
2. employing fine sand according to claim 1 filling extension floorings bridge construction structure it is characterised in that: described the
Three template top surfaces and abutment parados top surface flush.
3. employing fine sand according to claim 1 and 2 filling extension floorings bridge construction structure it is characterised in that: institute
State the top surface after the fine sand compacting between end of main beam and abutment parados leading flank and abutment parados top surface flush.
4. employing fine sand according to claim 1 filling extension floorings bridge construction structure it is characterised in that: described cunning
Moving material is asphalt felt or galvanized sheet.
5. employing fine sand according to claim 1 filling extension floorings bridge construction structure it is characterised in that: described bridge
Platform abutment body, abutment parados and abutment block form the abutment of an entirety by prefabrication and lifting or cast in situs mode.
6. employing fine sand according to claim 1 filling extension floorings bridge construction structure it is characterised in that: described master
Beam is arranged on bearing by prefabrication and lifting or cast in situs mode.
7. employing fine sand according to claim 1 filling extension floorings bridge construction structure it is characterised in that: described the
One template, the second template and the 3rd template are removed after the concrete strength extending floorings reaches requirement.
8. employing fine sand according to claim 7 filling extension floorings bridge construction structure it is characterised in that: described thin
Sand is removed after the first template, the second template and the 3rd form removable.
9. a kind of extension floorings bridge construction method using fine sand filling is it is characterised in that sequentially include the following steps:
(1) abutment abutment body, abutment parados and abutment block adopt ordinary reinforced concrete cast in situs or prefabrication and lifting positioning, shape
Become abutment；After concrete strength reaches design requirement, in abutment abutment body top surface erection support；Adopt water penetration according to job specfication
Backfill material bankets after carrying out platform on rear side of abutment and is compacted；
(2) girder is taken prefabrication and lifting to be positioned on bearing or is formed on bearing according to design requirement cast in situs；
(3) gap at bottom plane of main girder with abutment abutment body top surface leading edge sets up the first template, keeps off with abutment in girder side
Gap at forward edge inside block sets up the second template, sets up the 3rd with abutment parados top surface flush on abutment block
Template, makes bottom plane of main girder, girder side, abutment abutment body top surface, abutment block inboard side and abutment parados leading flank surround one
Packing space；
(4) insert fine sand to packing space and be compacted from the gap of end of main beam and abutment parados leading flank, make girder end
The top surface after fine sand compacting between portion and abutment parados leading flank and abutment parados top surface flush；
(5) banket after the fine sand between end of main beam and abutment parados leading flank, abutment parados and platform on arrange one layer of conduct
The gliding material of cast in situs bed die, forms sliding surface it is ensured that linear deformation under temperature change for the bridge deck is moved；
(6) attachment strap reinforcing bar poured in place concrete after colligation platform on gliding material, forms and extends floorings；
(7) when the concrete strength extending floorings reaches design requirement, the first template, the second template and the 3rd mould are first removed
Plate, then the fine sand filled is purged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610002481.9A CN105442457B (en) | 2016-01-06 | 2016-01-06 | Construction structure and method for extending bridge floor plate bridge filled with fine sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610002481.9A CN105442457B (en) | 2016-01-06 | 2016-01-06 | Construction structure and method for extending bridge floor plate bridge filled with fine sand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105442457A CN105442457A (en) | 2016-03-30 |
| CN105442457B true CN105442457B (en) | 2017-02-01 |
Family
ID=55553054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610002481.9A Expired - Fee Related CN105442457B (en) | 2016-01-06 | 2016-01-06 | Construction structure and method for extending bridge floor plate bridge filled with fine sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105442457B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839514A (en) * | 2016-05-20 | 2016-08-10 | 福州大学 | Slipping type bridge abutment slab structure and construction method |
| CN108265620A (en) * | 2018-04-10 | 2018-07-10 | 深圳市市政设计研究院有限公司 | The Integral Abutment construction method and Integral Abutment of jointless bridge |
| CN109457741B (en) * | 2018-12-17 | 2023-08-04 | 福州大学 | Device for preventing abutment from shifting and sand leakage and implementation method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817318B (en) * | 2012-08-29 | 2015-07-01 | 福州大学 | Asphalt-free steel-RPC (reactive powder concrete) combined deck structure and construction method thereof |
| JP2014227754A (en) * | 2013-05-24 | 2014-12-08 | 北川工業株式会社 | Bridge girder and construction method of bridge girder |
| CN104213500B (en) * | 2014-10-10 | 2016-09-07 | 福州大学 | Based on the jointless bridge and the construction method thereof that arrange domes after platform |
| CN104264581B (en) * | 2014-10-21 | 2016-06-29 | 福州大学 | Based on the bridge abutment structure and the construction method that eliminate abutment soil pressure |
| CN104894969B (en) * | 2015-06-29 | 2016-09-07 | 北京大陆益通环保科技有限公司 | A kind of bridge floor spreads block and the bridge of this paving block of mating formation and the processing method of this paving block |
| CN105064208B (en) * | 2015-08-06 | 2016-10-05 | 福州大学 | A kind of deck structrue combined with steel bridge deck by prefabricated U HPC plate and construction method thereof |
| CN105178126B (en) * | 2015-08-31 | 2018-02-02 | 中国矿业大学 | A kind of Permafrost Area transition band combining structure and construction method |
| CN205348002U (en) * | 2016-01-06 | 2016-06-29 | 福州大学 | Adopt extension bridge floor slab bridge construction structures of fine sand packing |
-
2016
- 2016-01-06 CN CN201610002481.9A patent/CN105442457B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105442457A (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106245674A (en) | Hollow wallboard mixed prefabricated assembly type comprehensive pipe gallery and construction method thereof | |
| CN110318776B (en) | Tunnel construction method based on inverted arch and inverted arch filling layer replacing steel-concrete composite structure | |
| CN106088147A (en) | Hollow wallboard mixed prefabricated assembly type comprehensive pipe gallery and construction method thereof | |
| CN109853381B (en) | Transitional structure for preventing bridge head from jumping and construction method thereof | |
| CN108149706A (en) | Prefabricated assembled comprehensive pipe gallery spliced by cast-in-place hidden beams and laminated slabs and construction method thereof | |
| CN105442457B (en) | Construction structure and method for extending bridge floor plate bridge filled with fine sand | |
| CN206941325U (en) | The newly-built peg board formula roadbed of girder construction system in length and breadth | |
| CN103075163A (en) | Support change process of second liner construction of large-cross-section tunnel | |
| CN106049201A (en) | Medium and low speed maglev traffic engineering low line solid bearing-trail beam structure and construction method thereof | |
| CN108086354A (en) | Prefabricated assembled comprehensive pipe gallery spliced by cast-in-place hidden beams and construction method thereof | |
| CN108086353A (en) | Hollow wall plate mixed prefabricated assembly type comprehensive pipe gallery spliced by cast-in-place hidden beams and construction method thereof | |
| CN107476340A (en) | A kind of subway tunnel and the new Joining Structure and its construction method at enlarging station | |
| CN113931212A (en) | Road and bridge transition section structure for tramcar and construction method thereof | |
| CN205348002U (en) | Adopt extension bridge floor slab bridge construction structures of fine sand packing | |
| CN106283966B (en) | Medium-and low-speed maglev single line embankment location independence pier stud type support rail beam transition section structure | |
| CN110671132B (en) | Deep loess tunnel deformation control construction structure and method based on sleeve arch | |
| CN107794945A (en) | A kind of removable assembled template peace tears operating system and its construction method open | |
| CN117127642A (en) | Fluidized solidified soil bearing platform structure and manufacturing method | |
| CN105113384A (en) | Z-shaped bridge end transition slab structure and construction method thereof | |
| CN103437349B (en) | The construction method of steel concrete perfusion shaped pile | |
| CN106283957B (en) | Medium-and low-speed maglev two-wire excavation location pile foundation joist framing type support rail beam transition section structure | |
| CN106400615B (en) | Medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure | |
| CN205893830U (en) | Low solid formula support rail girder construction of circuit of putting of well low -speed maglev traffic engineering | |
| CN115478495A (en) | Plate culvert reinforcing device capable of exerting flexibility of corrugated steel and construction method of plate culvert reinforcing device | |
| CN212426696U (en) | Variable cross-section ultrahigh-performance concrete guide plate structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20200106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |