CN107630409A - A kind of temporary T structure cantilever casting construction supporting construction and its manufacture method - Google Patents
A kind of temporary T structure cantilever casting construction supporting construction and its manufacture method Download PDFInfo
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- CN107630409A CN107630409A CN201711013523.XA CN201711013523A CN107630409A CN 107630409 A CN107630409 A CN 107630409A CN 201711013523 A CN201711013523 A CN 201711013523A CN 107630409 A CN107630409 A CN 107630409A
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- outer steel
- inner casing
- steel shell
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- supporting construction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The present invention provides a kind of temporary T structure cantilever casting construction supporting construction and its manufacture method, temporary T structure cantilever casting construction to be included with supporting construction：Outer steel shell, steel inner casing, skeleton reinforcing steel bar and packing material；The end face of the first end face of outer steel shell and the first end bay Cast-in-Situ Segment is relative, and the end face of the second end face of outer steel shell and the second end bay Cast-in-Situ Segment is relative；Steel inner casing is arranged in the inside of outer steel shell；Connected between outer steel shell and steel inner casing by skeleton reinforcing steel bar；Packing material is filled in the space between outer steel shell and the steel inner casing；Two sides of outer steel shell are provided with the groove through side.The problems such as temporary T structure cantilever casting construction provided by the invention solves conventional method quality with supporting construction to be ensured, remove cycle length, and work high above the ground risk is big, has the advantages that prefabricated quality is good, and assembling and disassembling is simple, and the engineering time is short, operating risk is small.
Description
Technical field
The present invention relates to highway, the construction method technical field of railroad bridge structure, more particularly, to a kind of interim T
Structure cantilever casting construction supporting construction and its manufacture method.
Background technology
It is that new development in recent years is got up a kind of bridge type without bearing Continuous Rigid-Frame Bridge, with traditional continuous beam (firm structure) abutment pier
Movable bearing support is set to compare, abutment pier uses the form of pier consolidation.To better conform to the longitudinal extension of temperature load girder deformation,
Abutment pier uses the less double branch Thin-Wall Piers of thrust stiffness, and girder only consolidates with a wherein thin-walled column.By to domestic foreign minister
The research of bridge is closed, the main feature of no bearing continuous rigid frame has：(1) bearing is not set, avoids bearing damage, it is cost-effective, after
Phase maintenance cost is low, the line outage for avoiding replacing time from bringing；(2) good seismic performance, horizontal force can be shared equally during earthquake
Onto each bridge pier, and continuous bridge then needs to set braking pier, or uses dedicated shock-proof bearing；(3) Dun Liang directly consolidates phase
Even, lines are continuously bright and clear, total tune, and landscape effect is good.
Due to the presence that beam stitches between adjacent beams, temporary T structure tensioning docking temporarily, it is necessary to which the beam seam of centre is filled.
Traditional way is interim mortar filling, is cut again after the completion of construction.This quadrat method subject matter is that construction quality should not ensure,
And cut and bother very much, and the work high above the ground cycle is grown, risk is high.
The content of the invention
In order to overcome the above-mentioned problems in the prior art at least in part, the present invention provides a kind of temporary T structure cantilever
Construction supporting construction and its manufacture method.
According to an aspect of the present invention, there is provided a kind of temporary T structure cantilever casting construction supporting construction, including：Outer steel shell, steel
Inner casing, skeleton reinforcing steel bar and packing material；The end face of the first end face of the outer steel shell and the first end bay Cast-in-Situ Segment is relative, described
The end face of the second end face of outer steel shell and the second end bay Cast-in-Situ Segment is relative；The steel inner casing is arranged in the inside of the outer steel shell；
Connected between the outer steel shell and the steel inner casing by the skeleton reinforcing steel bar；The packing material be filled in the outer steel shell and
Space between the steel inner casing；Two sides of the outer steel shell are provided with the groove through the side.
Wherein, in addition to：Suspension ring, the suspension ring are arranged in the both sides symmetric position of the center of gravity of the outer steel shell；Wherein, institute
The one end for stating suspension ring is connected with the suspension ring bolt-nut being arranged in the packing material.
Wherein, the end face of the outer steel shell is provided with through hole；Wherein, the through hole sequentially passes through the first of the outer steel shell
The second end face of end face, packing material and the outer steel shell.
Wherein, the packing material is concrete, and the intensity of the concrete is not less than C30；Or the packing material
For mortar, the intensity of the mortar is not less than M30.
Wherein, in addition to：Strengthen screw rod；Wherein, described one end for strengthening screw rod is connected with the top surface of the groove, described
The other end for strengthening screw rod is connected with the bottom surface of the groove.
Wherein, the outer steel shell, the width of the steel inner casing are 10cm~20cm.
Wherein, the outer steel shell, the material of the steel inner casing are steel plate, and the thickness of the steel plate is 6mm~12mm.
Wherein, the cross sectional shape of the steel inner casing is rectangle or polygon.
According to another aspect of the present invention, there is provided a kind of manufacture method of temporary T structure cantilever casting construction supporting construction, bag
Include：Prefabricated supporting construction is fixedly mounted among the first end bay Cast-in-Situ Segment and the second end bay Cast-in-Situ Segment；By interim high-strength
Screw thread bar reinforcement connects the first end bay Cast-in-Situ Segment and the second end bay Cast-in-Situ Segment through the through hole in the supporting construction.
Wherein, the manufacture method of the prefabricated supporting construction is specially：S1, according to the cross sectional shape and beam of one end of beam
The width of seam, make outer steel shell and steel inner casing；Wherein, the cross sectional shape of the steel inner casing is rectangle or polygon, the steel
Two sides of shell are provided with the groove through the side；S2, using skeleton reinforcing steel bar by the outer steel shell and the steel
Inner casing connection is integral, and the steel inner casing is arranged in the inside of the outer steel shell；S3, duct filled rubber rod and suspension ring are anchored
Nut is arranged in the skeleton reinforcing steel bar, and the space between the outer steel shell and the steel inner casing pours packing material, maintenance
To design strength；Wherein, the packing material is concrete, and the intensity of the concrete is not less than C30；Or the filling
Material is concrete mortar, and the intensity of the mortar is not less than M30；S4, the screw rod of suspension ring and the suspension ring bolt-nut are twisted
Fasten, while pull out the duct filled rubber rod.
To sum up, temporary T structure cantilever casting construction supporting construction provided by the invention, including：Outer steel shell, steel inner casing, skeleton steel
Muscle and packing material；The end face of the first end face of outer steel shell and the first end bay Cast-in-Situ Segment is relative, the second end face of outer steel shell and
The end face of second end bay Cast-in-Situ Segment is relative；Steel inner casing is arranged in the inside of outer steel shell；By described between outer steel shell and steel inner casing
Skeleton reinforcing steel bar connects；Packing material is filled in the space between outer steel shell and the steel inner casing；Two sides of outer steel shell are all provided with
It is equipped with the groove through side.Temporary T structure cantilever casting construction provided by the invention solves conventional method quality not with supporting construction
Preferably ensure, remove cycle length, the problems such as work high above the ground risk is big, have that prefabricated quality is good, and assembling and disassembling is simple, the engineering time
Short, the advantages that operating risk is small.
Brief description of the drawings
Fig. 1 is the structural representation according to a kind of temporary T structure cantilever casting construction supporting construction of the embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, to the embodiment of the present invention
In technical scheme be explicitly described, it is clear that described embodiment is part of the embodiment of the present invention, rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of protection of the invention.
Fig. 1 is according to a kind of structural representation of temporary T structure cantilever casting construction supporting construction of the embodiment of the present invention, is such as schemed
Shown in 1, including：Outer steel shell 1, steel inner casing 2, skeleton reinforcing steel bar 3 and packing material 4；Wherein,
The end face of the first end face of the outer steel shell 1 and the first end bay Cast-in-Situ Segment is relative, the second end face of the outer steel shell 1
It is relative with the end face of the second end bay Cast-in-Situ Segment；
The steel inner casing 2 is arranged in the inside of the outer steel shell 1；
Connected between the outer steel shell 1 and the steel inner casing 2 by the skeleton reinforcing steel bar 3；
The packing material 4 is filled in the space between the outer steel shell 1 and the steel inner casing 2；
Two sides of the outer steel shell 1 are provided with the groove through the side.
Wherein, the section inside and outside contour of supporting construction is consistent with box beam beam-ends contour line；
Preferably, supporting construction on the beam-ends contact surface of both sides with scribbling interleaving agent.
Preferably, two sides of outer steel shell 1 are provided with the groove through the side, and groove is shaped as concave table
Shape.
Wherein, the groove through the side that the side of outer steel shell 1 is set forms prestressing force in the lump with beam-ends notch
Draw construction space.
Preferably, what steel inner casing 2 surrounded is shaped as through hole, through supporting construction.
A kind of temporary T structure cantilever casting construction supporting construction is present embodiments provided, steel inner casing is arranged in the inside of outer steel shell；
Connected between outer steel shell and steel inner casing by skeleton reinforcing steel bar；Packing material is filled in the space between outer steel shell and steel inner casing；Steel
Two sides of shell are provided with the groove through side.The temporary T structure cantilever casting construction supporting construction that the present embodiment provides
The problems such as solving conventional method quality should not ensure, remove cycle length, and work high above the ground risk is big, has prefabricated quality good, pacifies
Assembly and disassembly are except the advantages that simple, the engineering time is short, operating risk is small.
In another embodiment of the present invention, on the basis of above-described embodiment, in addition to：Suspension ring 5, the suspension ring 5
It is arranged in the both sides symmetric position of the center of gravity of the outer steel shell 1；Wherein,
One end of the suspension ring 5 is connected with the suspension ring bolt-nut being arranged in the packing material 4.
Specifically, by the way that the screw rod on suspension ring and the suspension ring bolt-nut are tightened fixation so that can using suspension ring
Sling and put down supporting construction.
Preferably, 2 suspension ring 5 are installed in the present embodiment, and this 2 suspension ring 5 are arranged symmetrically.
A kind of temporary T structure cantilever casting construction supporting construction is present embodiments provided, by the way that suspension ring are arranged to detachable,
It is dismountable after the completion of lifting, ensure that bridge floor is smooth, convenient working.
In another embodiment of the present invention, on the basis of above-described embodiment, the end face of the outer steel shell 1 is provided with
Through hole 7；Wherein,
The through hole 7 sequentially passes through the second of the first end face of the outer steel shell 1, packing material 4 and the outer steel shell 1
End face.
Wherein, multiple through holes 7 are provided with the end face of outer steel shell 1, cable wire is connected the beam at supporting construction both ends by through hole 7
It is connected together.
In yet another embodiment of the present invention, on the basis of above-described embodiment, the packing material is concrete, institute
The intensity for stating concrete is not less than C30；Or
The packing material is mortar, and the intensity of the mortar is not less than M30.
Wherein, the division of strength grade of concrete：The strength grade of concrete refers to compressive strength of concrete mark
For quasi- value (MPa) come what is determined, symbol is that " C " is represented.Grade classification is：C7.5、C10、C15、C20、C25、C30、C35、C40、
C45, C50, C55, C60 totally 12 grade.
Certainly different engineering or for different position concrete, its intensity to concrete is isocratic to be required and difference
's；Wherein,
(1), C7.5~C15 is mainly used in bed course, basis, terrace and the little structure of stress.
(2), C15~C25 is used for the ordinary reinforced concrete structures such as beam, plate, post, stair, roof truss.
(3), C25~C30 is used for longspan structure, the higher structure of life requirement.
(4), more than C30 is used for prestressed reinforced concrete component, bears dynamic-load struction and unique construction etc..
Preferably, packing material is concrete in the present embodiment.
In another embodiment of the invention, on the basis of above-described embodiment, in addition to：Strengthen screw rod 6；Wherein,
It is described strengthen screw rod 6 one end be connected with the top surface of the groove, it is described reinforcement screw rod 6 the other end with it is described recessed
The bottom surface connection of groove.
A kind of temporary T structure cantilever casting construction supporting construction is present embodiments provided, strengthens one end of screw rod and the top of groove
Face connects, and the bottom surface of the other end and groove of strengthening screw rod connects, the globality of one side enhancing structure, on the one hand and is construction
When security guardrail.
In another of the invention embodiment, on the basis of above-described embodiment, the outer steel shell 1, the steel inner casing 2
Width is 10cm~20cm.
Wherein, outer steel shell 1, the width of steel inner casing 2 are consistent with the width that beam stitches.
Preferably, outer steel shell 1, the width of steel inner casing 2 are 10cm；Or the width of outer steel shell 1, steel inner casing 2 is 20cm；
Or the width of outer steel shell 1, steel inner casing 2 is 15cm.
In another of the invention embodiment, on the basis of above-described embodiment, the outer steel shell 1, the steel inner casing 2
Material is steel plate, and the thickness of the steel plate is 6mm~12mm.
Specifically, the thickness of steel plate is 6mm；Or the thickness of steel plate is 12mm；Or the thickness of steel plate is 8mm.
A kind of temporary T structure cantilever casting construction supporting construction is present embodiments provided, outer steel shell, the material of steel inner casing are steel
Plate, the thickness of steel plate is 6mm~12mm.Both ensured to leave enough Area of bearing between steel inner casing and outer steel shell, and can reserves
Construction space in enough.Also mitigate the overall weight of supporting construction simultaneously, lower lifting requirements.
In another embodiment of the invention, on the basis of above-described embodiment, the cross sectional shape of the steel inner casing 2 is square
Shape or polygon.
Preferably, the rectangular cross-section of steel inner casing 2 in the present embodiment.
Preferably, supporting construction in the present embodiment contains the through hole of 2 rectangular cross-sections.
In one embodiment of the invention, there is provided a kind of manufacture method of temporary T structure cantilever casting construction supporting construction, bag
Include：
Prefabricated supporting construction is fixedly mounted among the first end bay Cast-in-Situ Segment and the second end bay Cast-in-Situ Segment；By interim
High-strength screw thread bar reinforcement connects the first end bay Cast-in-Situ Segment through the through hole in the supporting construction and second end bay shows
Pour section.
Specifically, the prefabricated temporary support structure of mechanical hoisting is in the first end bay Cast-in-Situ Segment and the second end bay Cast-in-Situ Segment
Between, and in the both ends of the surface separant coating of temporary support structure；
Preferably, the first end bay Cast-in-Situ Segment and the second end bay Cast-in-Situ Segment are provided with reserved duct, for interim high-strength spiral shell
Line bar reinforcement passes through.
A kind of manufacture method of temporary T structure cantilever casting construction supporting construction is present embodiments provided, solves conventional method
The problems such as quality should not ensure, remove cycle length, and work high above the ground risk is big, good with prefabricated quality, assembling and disassembling is simple, construction
The advantages that time is short, operating risk is small.
In another embodiment of the invention, on the basis of above-described embodiment, the manufacture of the prefabricated supporting construction
Method is specially：
S1, the width stitched according to the cross sectional shape of one end of beam and beam, makes outer steel shell and steel inner casing；Wherein,
The cross sectional shape of the steel inner casing is rectangle or polygon, and two sides of the outer steel shell, which are provided with, to be run through
The groove of the side；
Wherein, the section inside and outside contour of supporting construction is consistent with box beam beam-ends contour line；
Preferably, supporting construction on the beam-ends contact surface of both sides with scribbling interleaving agent.
Preferably, two sides of outer steel shell are provided with the groove through the side, and groove is shaped as concave table
Shape.
Wherein, the groove through the side that the side of outer steel shell is set forms prestressed stretch-draw in the lump with beam-ends notch
Construction space.
Preferably, what steel inner casing surrounded is shaped as through hole, through supporting construction.
Wherein, supporting construction also includes：Strengthen screw rod；Strengthen one end of screw rod and the top surface of groove connects, strengthen screw rod
The other end and groove bottom surface connect.
S2, is connected the outer steel shell with the steel inner casing using skeleton reinforcing steel bar integral, and the steel inner casing is arranged in institute
State the inside of outer steel shell；
S3, duct filled rubber rod and suspension ring bolt-nut are arranged in the skeleton reinforcing steel bar, in the outer steel shell and
Space between the steel inner casing pours packing material, conserves to design strength；Wherein,
The packing material is concrete, and the intensity of the concrete is not less than C30；Or the packing material is mixed
Solidifying soil sand slurry, the intensity of the mortar are not less than M30；
Wherein, the end face of outer steel shell is provided with through hole；Wherein, through hole sequentially passes through the first end face of outer steel shell, filling material
The second end face of material and outer steel shell.
Wherein, multiple through holes are provided with the end face of outer steel shell, cable wire is connected the beam at supporting construction both ends by through hole
Together.
Wherein, the division of strength grade of concrete：The strength grade of concrete refers to compressive strength of concrete mark
For quasi- value (MPa) come what is determined, symbol is that " C " is represented.Grade classification is：C7.5、C10、C15、C20、C25、C30、C35、C40、
C45, C50, C55, C60 totally 12 grade.
Certainly different engineering or for different position concrete, its intensity to concrete is isocratic to be required and difference
's；Wherein,
(1), C7.5~C15 is mainly used in bed course, basis, terrace and the little structure of stress.
(2), C15~C25 is used for the ordinary reinforced concrete structures such as beam, plate, post, stair, roof truss.
(3), C25~C30 is used for longspan structure, the higher structure of life requirement.
(4), more than C30 is used for prestressed reinforced concrete component, bears dynamic-load struction and unique construction etc..
Preferably, the packing material selected in the present embodiment is concrete.
S4, the screw rod of suspension ring and the suspension ring bolt-nut are tightened fixation, while pull out the duct filled rubber rod.
Specifically, by the way that the screw rod on suspension ring and suspension ring bolt-nut are tightened fixation so that suspension ring can be sling and put
Lower support structure.
Preferably, 2 suspension ring are installed in the present embodiment, and this 2 suspension ring are arranged symmetrically.By the way that suspension ring are set
It is dismountable after the completion of lifting to be detachable, ensure that bridge floor is smooth, convenient working.
A kind of manufacture method of temporary T structure cantilever casting construction supporting construction is present embodiments provided, steel inner casing is arranged in steel
The inside of shell；Connected between outer steel shell and steel inner casing by skeleton reinforcing steel bar；Packing material be filled in outer steel shell and steel inner casing it
Between space；Two sides of outer steel shell are provided with the groove through side.The present embodiment provide without bearing continuous rigid frame
The manufacture method of end bay temporary T structure, which solves conventional method quality, to be ensured, remove cycle length, and work high above the ground risk is big etc. to ask
Topic, there is the advantages that prefabricated quality is good, and assembling and disassembling is simple, and the engineering time is short, operating risk is small.
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can not depart from this hair
Various modifications and variations are made in the case of bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (10)
- A kind of 1. temporary T structure cantilever casting construction supporting construction, it is characterised in that including：Outer steel shell, steel inner casing, skeleton reinforcing steel bar with And packing material；The end face of the first end face of the outer steel shell and the first end bay Cast-in-Situ Segment is relative, the second end face of the outer steel shell and second The end face of end bay Cast-in-Situ Segment is relative；The steel inner casing is arranged in the inside of the outer steel shell；Connected between the outer steel shell and the steel inner casing by the skeleton reinforcing steel bar；The packing material is filled in the space between the outer steel shell and the steel inner casing；Two sides of the outer steel shell are provided with the groove through the side.
- 2. temporary T structure cantilever casting construction supporting construction according to claim 1, it is characterised in that also include：Suspension ring, institute State the both sides symmetric position that suspension ring are arranged in the center of gravity of the outer steel shell；Wherein,One end of the suspension ring is connected with the suspension ring bolt-nut being arranged in the packing material.
- 3. temporary T structure cantilever casting construction supporting construction according to claim 1, it is characterised in that the end of the outer steel shell Face is provided with through hole；Wherein,The through hole sequentially passes through the second end face of the first end face of the outer steel shell, packing material and the outer steel shell.
- 4. temporary T structure cantilever casting construction supporting construction according to claim 1, it is characterised in that the packing material is Concrete, the intensity of the concrete are not less than C30；OrThe packing material is mortar, and the intensity of the mortar is not less than M30.
- 5. temporary T structure cantilever casting construction supporting construction according to claim 1, it is characterised in that also include：Strengthen spiral shell Bar；Wherein,Described one end for strengthening screw rod is connected with the top surface of the groove, the bottom of the other end and the groove for strengthening screw rod Face connects.
- 6. temporary T structure cantilever casting construction supporting construction according to claim 1, it is characterised in that the outer steel shell, described The width of steel inner casing is 10cm~20cm.
- 7. temporary T structure cantilever casting construction supporting construction according to claim 1, it is characterised in that the outer steel shell, described The material of steel inner casing is steel plate, and the thickness of the steel plate is 6mm~12mm.
- 8. temporary T structure cantilever casting construction supporting construction according to claim 1, it is characterised in that the steel inner casing is cut Face is shaped as rectangle or polygon.
- A kind of 9. manufacture method of temporary T structure cantilever casting construction supporting construction, it is characterised in that including：Prefabricated supporting construction is fixedly mounted among the first end bay Cast-in-Situ Segment and the second end bay Cast-in-Situ Segment；By interim high-strength Screw thread bar reinforcement connects the first end bay Cast-in-Situ Segment and the second end bay Cast-in-Situ Segment through the through hole in the supporting construction.
- 10. the manufacture method of temporary T structure according to claim 9, it is characterised in that the system of the prefabricated supporting construction The method of making is specially：S1, the width stitched according to the cross sectional shape of one end of beam and beam, makes outer steel shell and steel inner casing；Wherein,The cross sectional shape of the steel inner casing is rectangle or polygon, and two sides of the outer steel shell are provided with through described The groove of side；S2, is connected the outer steel shell with the steel inner casing using skeleton reinforcing steel bar integral, and the steel inner casing is arranged in the steel The inside of shell；S3, duct filled rubber rod and suspension ring bolt-nut are arranged in the skeleton reinforcing steel bar, in the outer steel shell and described Space between steel inner casing pours packing material, conserves to design strength；Wherein,The packing material is concrete, and the intensity of the concrete is not less than C30；Or the packing material is concrete Mortar, the intensity of the mortar are not less than M30；S4, the screw rod of suspension ring and the suspension ring bolt-nut are tightened fixation, while pull out the duct filled rubber rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013523.XA CN107630409B (en) | 2017-10-26 | 2017-10-26 | Supporting structure for temporary T-shaped structure suspension casting construction and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013523.XA CN107630409B (en) | 2017-10-26 | 2017-10-26 | Supporting structure for temporary T-shaped structure suspension casting construction and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107630409A true CN107630409A (en) | 2018-01-26 |
| CN107630409B CN107630409B (en) | 2023-07-25 |
Family
ID=61105933
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711013523.XA Active CN107630409B (en) | 2017-10-26 | 2017-10-26 | Supporting structure for temporary T-shaped structure suspension casting construction and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288025A (en) * | 2022-08-16 | 2022-11-04 | 江苏省交通工程集团有限公司 | Auxiliary mounting structure of easy-to-dismount and adjustable temporary supporting seat for steel box girder and construction process of auxiliary mounting structure |
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| CN203475289U (en) * | 2013-09-24 | 2014-03-12 | 四川省交通运输厅公路规划勘察设计研究院 | Pile type continuous rigid frame bridge |
| CN105274939A (en) * | 2015-09-10 | 2016-01-27 | 重庆市轨道交通设计研究院有限责任公司 | Connecting device for PC track beam |
| CN207314169U (en) * | 2017-10-26 | 2018-05-04 | 中铁第四勘察设计院集团有限公司 | A kind of temporary T structure cantilever casting construction supporting structure |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB863640A (en) * | 1956-03-19 | 1961-03-22 | Hans Gstoettner | Tension boom for ferro-concrete beam or girder structures |
| JP2008121288A (en) * | 2006-11-13 | 2008-05-29 | Fuji Ps Corp | Continuous steel plate web bridge and method of constructing continuous steel plate web bridge |
| CN203475289U (en) * | 2013-09-24 | 2014-03-12 | 四川省交通运输厅公路规划勘察设计研究院 | Pile type continuous rigid frame bridge |
| CN105274939A (en) * | 2015-09-10 | 2016-01-27 | 重庆市轨道交通设计研究院有限责任公司 | Connecting device for PC track beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115288025A (en) * | 2022-08-16 | 2022-11-04 | 江苏省交通工程集团有限公司 | Auxiliary mounting structure of easy-to-dismount and adjustable temporary supporting seat for steel box girder and construction process of auxiliary mounting structure |
| CN115288025B (en) * | 2022-08-16 | 2023-09-19 | 江苏省交通工程集团有限公司 | Easy-to-detach adjustable temporary support seat auxiliary installation structure for steel box girder and construction process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107630409B (en) | 2023-07-25 |
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