CN108265620A - The Integral Abutment construction method and Integral Abutment of jointless bridge - Google Patents
The Integral Abutment construction method and Integral Abutment of jointless bridge Download PDFInfo
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- CN108265620A CN108265620A CN201810313523.XA CN201810313523A CN108265620A CN 108265620 A CN108265620 A CN 108265620A CN 201810313523 A CN201810313523 A CN 201810313523A CN 108265620 A CN108265620 A CN 108265620A
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- abutment
- section
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- changeover portion
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of Integral Abutment construction methods of jointless bridge, are included in cushion cap upper end construction abutment supporting section, and cushion cap is fixedly connected on pile foundation upper end；Pour section template and temporary support system after placing abutment on abutment supporting section, and temporary support system be located at abutment after pour in section template, and back-up sand in section template is poured after abutment；Construction abutment changeover portion in the back-up sand in section template is poured after abutment, abutment changeover portion upper end is consolidated with girder for one-piece casting, after the completion of longitudinal prestressing steel Shu Zhangla in girder, wash out the back-up sand poured after abutment in section template, casting concrete in section template is poured after abutment to pour section after forming abutment and conserve, and section is poured after abutment changeover portion, abutment and abutment supporting section is from top to bottom sequentially connected and forms the Integral Abutment of jointless bridge.A kind of Integral Abutment of jointless bridge is also disclosed, the Integral Abutment construction method and Integral Abutment of the jointless bridge improve prestressed importing degree.
Description
Technical field
The present invention relates to bridge technology field, more particularly to a kind of Integral Abutment construction method of jointless bridge
And the Integral Abutment of jointless bridge.
Background technology
The common beam bridge in China is the bridge for having expansion joint and bearing at present.However, the rapid wears structure such as expansion joint and bearing
Part is brought a great deal of trouble to bridge late maintaining and repair；Therefore, at present for overall length it is smaller in, foot bridge, designer by
Gradually be keen to using the seamless beam bridge of monoblock type, i.e., the form consolidated using bridge pier, abutment and girder, eliminate bridge bearing and
Expansion joint absorbs girder because of the longitudinal deformation under temperature action by pier, platform and back filling behind abutment soil.It is smaller by (one for span
As be less than 20m) beam bridge, generally using ordinary reinforced concrete integral seamless beam bridge, but for the larger bridge of span, in order to
Meet normal real requirement, generally can all apply certain longitudinal prestressing to girder.According to one-piece casting it is complete apply again it is pre-
Stress, due to the hyperstatic influence of the seamless beam bridge of monoblock type, especially headwall rigidity is larger so that girder longitudinal prestressing can not
It is effectively applied in girder, prestressing force importing degree is extremely inefficient, and headwall cracking even occurs in stretching process in some
It may.Therefore how efficiently prestressing force is imported into girder, is the subject that a designer is worth research.
Invention content
The object of the present invention is to provide a kind of Integral Abutment construction method of jointless bridge and jointless bridges
Integral Abutment, to solve the above-mentioned problems of the prior art, improve prestressed importing degree, solve post-stressed
The construction difficult problem of monoblock type jointless beam bridge abutment.
To achieve the above object, the present invention provides following schemes：
The present invention provides a kind of Integral Abutment construction method of jointless bridge, includes the following steps：
Step 1：After pile foundation of constructing and cushion cap, abutment supporting section of constructing in the cushion cap upper end, the cushion cap is fixedly connected
In the pile foundation upper end；
Step 2：Section template and temporary support system are poured, and described interim after abutment is placed on the abutment supporting section
Support system is poured in section template, and back-up sand in section template is poured after abutment after being located at the abutment；
Step 3：It constructs abutment changeover portion, the abutment changeover portion is located in the back-up sand poured after the abutment in section template,
The abutment changeover portion upper end is consolidated with the girder for one-piece casting, and the longitudinal prestressing steel Shu Zhangla in the girder is completed
Afterwards, the back-up sand poured after the abutment in section template is washed out, is poured after the abutment after casting concrete forms abutment in section template
It pours section and conserves, section is poured after the abutment changeover portion, the abutment and the abutment supporting section is from top to bottom sequentially connected and shape
Into the Integral Abutment of the jointless bridge.
Preferably, the cushion cap and the abutment supporting section pour simultaneously, height and the nothing of the abutment supporting section
The ratio of the height of the Integral Abutment of expansion joint bridge is [1/3,1/2].
Preferably, before the cushion cap casting concrete, the pre-buried abutment stress main reinforcement in the formwork for placing of the cushion cap,
The abutment stress main reinforcement is not blocked from the cushion cap along the elongated setting of the Integral Abutment of jointless bridge height,
The abutment stress main reinforcement upper end and girder reinforcement welding pre-buried in the formwork for placing of the girder.
Preferably, section template and the temporary support are poured after placing the abutment after the top surface dabbing of the abutment supporting section
System.
Preferably, it is poured after the abutment in section template after back-up sand, the pre-buried connecting key in back-up sand, the connecting key is described in
It is extended upwardly in back-up sand in the formwork for placing of the abutment changeover portion.
Preferably, it in step 3, washes out and the back-up sand in section template is poured after the abutment and to clean the abutment supporting section naked
Behind the top surface of dew and the exposed bottom surface of the abutment changeover portion, the exposed bottom surface of abutment changeover portion described in dabbing.
Preferably, the clapboard that the rear portion of section template tilts backwards setting from the bottom to top for one, and institute are poured after the abutment
The bottom end for stating clapboard is flushed with the rear end face of the abutment supporting section, and the upper end of the clapboard is located at the abutment changeover portion
10~15cm of rear end face rear forms grout groove between the abutment changeover portion, and the upper end of the clapboard is higher by the bridge
Platform changeover portion 10~15cm of bottom surface is so as to pour the bottom that section top of the platform back of the body envelopes the abutment changeover portion platform back of the body after the abutment
End.
Preferably, it is poured after the abutment and gas vent is offered in section template, poured section after the abutment and vibrate and pour.
The present invention also provides a kind of Integral Abutment of jointless bridge, the Integral Abutments of the jointless bridge
For being connected to cushion cap upper end, the cushion cap is connected to pile foundation upper end, and the Integral Abutment of the jointless bridge is uses
The Integral Abutment construction method of jointless bridge as described above is constructed the Integral Abutment of jointless bridge to be formed,
The Integral Abutment of the jointless bridge pours section and abutment after including sequentially connected abutment supporting section, abutment from the bottom to top
Changeover portion, the abutment changeover portion are used to consolidate with the girder one-piece casting of bridge, pour to be provided in section after the abutment and are used for
The temporary support system that section pours abutment changeover portion described in front support is poured after the abutment, section is poured after the abutment as the master
Longitudinal prestressing steel Shu Zhangla in beam pours section after completing the abutment that after-pouring is formed.
Preferably, the height that section is poured after the abutment is 50~70cm, and the temporary support system includes multiple shaped steel branch
Component is supportted, the junction of the abutment changeover portion and the girder forms transition chamfered section.
The present invention achieves following technique effect relative to the prior art：
The Integral Abutment construction method of jointless bridge provided by the invention and the beam front axle of jointless bridge
Platform pours section after girder completes tensioning longitudinal prestressing steel beam and then pours abutment, makes girder that system transition occur with abutment
And it is integrally formed connection.Tensioning longitudinal prestressing steel beam, prestressing force are mainly acted on girder before system transition, system transition
Main beam structure close to statically determinate structure body, prestressed tensioning second inner force very little, therefore can reduce in prestressed tensioning time
Power, so as to lose prestressing force on abutment, thus most prestressing force can be imported in girder, and it is pre- to effectively increase longitudinal direction
The importing degree of stress.The Integral Abutment construction method of jointless bridge provided by the invention and the entirety of jointless bridge
Formula abutment, using wet seam principle, simply, connection is reliable, maintenance is convenient；Nothing is effectively reduced by the method for system transition to stretch
The tensioning second inner force of the Integral Abutment of contracting seam bridge, improves prestressed importing degree, solves post-stressed entirety
The construction difficult problem of formula jointless beam bridge abutment.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the front view of the Integral Abutment of jointless bridge provided by the invention；
Fig. 2 is the A-A sectional views of the Integral Abutment of the jointless bridge in Fig. 1；
Fig. 3 pours the close-up schematic view of section after the abutment for the Integral Abutment of the jointless bridge in Fig. 2；
Fig. 4 is the B-B sectional views of the Integral Abutment of the jointless bridge in Fig. 2；
In figure：1- pile foundations；2- cushion caps；3- abutment supporting sections；Section is poured after 4- abutments；41- clapboards；5- abutment changeover portions；
6- abutment stress main reinforcements；7- temporary support systems；8- connecting keys；9- girders；11- longitudinal prestressing steel beams；13- abutment sidewalls.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of Integral Abutment construction method of jointless bridge and jointless bridges
Integral Abutment, to solve the above-mentioned problems of the prior art, improve prestressed importing degree, solve post-stressed
The construction difficult problem of monoblock type jointless beam bridge abutment.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in figures 1-4, the present invention provides a kind of Integral Abutment construction method of jointless bridge, including following
Step：
Step 1：After pile foundation 1 of constructing and cushion cap 2, abutment supporting section 3 of constructing above cushion cap 2, cushion cap 2 is above pile foundation 1
It sets and is fixedly connected with pile foundation 1；
Step 2：Section template and temporary support system 7, and temporary support system are poured after placing abutment on abutment supporting section 3
System 7 is poured in section template, and back-up sand in section template is poured after abutment after being located at abutment, and 7 later stage of temporary support system does not remove；
Step 3：It constructs abutment changeover portion 5 and girder 9, abutment changeover portion 5 is located at the back-up sand poured after abutment in section template
On, 5 upper end of abutment changeover portion is consolidated with 9 one-piece casting of girder girder；
After the concrete that abutment changeover portion 5 and girder 9 pour reaches predetermined age, the longitudinal direction in tensioning girder 9 in advance should
Power steel beam 11, the general longitudinal prestressing steel beam 11 using in jack tension girder, middle longitudinal prestressing steel beam 11 in girder 9
After completing tensioning, you can remove jack；After the completion of 11 tensioning of longitudinal prestressing steel beam in girder 9, section is poured after washing out abutment
Back-up sand in template, and clean the exposed top surface of abutment supporting section 3 and the exposed bottom surface of abutment changeover portion 5；
It pours casting concrete in section template after abutment to pour section 4 after forming abutment and conserve, after abutment changeover portion 5, abutment
It pours section 4 and abutment supporting section 3 is from top to bottom sequentially connected and forms the Integral Abutment of jointless bridge.
The Integral Abutment of jointless bridge provided by the invention, it is non-telescope for monoblock type using wet joint form
Bridge is stitched, the Integral Abutment of jointless bridge is for being connected to cushion cap upper end, and cushion cap is connected to pile foundation upper end, such as Fig. 1~4
Shown, the Integral Abutment of jointless bridge after sequentially connected abutment supporting section 3, abutment from the bottom to top including pouring 4 and of section
Abutment changeover portion 5, girder 9, abutment changeover portion 5 are consolidated with 9 one-piece casting of girder, and the girder 9 of bridge is prestressed concrete
Box beam, girder 9 is interior to be equipped with longitudinal prestressing steel beam 11, pours to be provided in section 4 after abutment and be propped up for being poured after abutment before section pours 4
The temporary support system 7 of abutment changeover portion is supportted, after the completion of section 4 is poured after abutment as 11 tensioning of longitudinal prestressing steel beam in girder 9
Section is poured after pouring the abutment to be formed.
The Integral Abutment construction method of jointless bridge provided by the invention is constructed in monoblock type jointless beam bridge
In the process, section 4 is poured after girder 9 completes tensioning longitudinal prestressing steel beam 11 and then pours abutment, girder 9 is made to be sent out with abutment
Raw system transition is simultaneously integrally formed connection.Tensioning longitudinal prestressing steel beam 11 before system transition, prestressing force mainly acts on master
On beam 9, the main beam structure of system transition can reduce pre- close to statically determinate structure body, prestressed tensioning second inner force very little
The tensioning second inner force of stress, so as to lose prestressing force on abutment, thus most prestressing force can be imported in girder 9,
Effectively increase the importing degree of longitudinal prestressing.The Integral Abutment construction method of jointless bridge provided by the invention, is adopted
With wet seam principle, simply, connection is reliable, maintenance is convenient；Jointless bridge is effectively reduced by the method for system transition
Integral Abutment tensioning second inner force, improve prestressed importing degree, it is non-telescope to solve post-stressed monoblock type
Stitch the construction difficult problem of beam bridge abutment.
During the Integral Abutment construction of jointless bridge provided by the invention, cushion cap and abutment supporting section pour simultaneously,
The ratio of the height of abutment supporting section and the height of the Integral Abutment of jointless bridge is [1/3,1/2].
Before 2 casting concrete of cushion cap, pre-buried abutment stress main reinforcement 6, abutment stress main reinforcement in the formwork for placing of cushion cap 2
6 do not block from cushion cap 2 along the elongated setting of the Integral Abutment of jointless bridge height.
It is poured after abutment in section template after back-up sand, pre-buried connecting key 8, connecting key 8 are extended upwardly to from back-up sand in back-up sand
In the formwork for placing of abutment changeover portion 5, connecting key 8 selects reinforcing bar, can enhance the company that section 4 and abutment changeover portion 5 are poured after abutment
Connect performance.Abutment steel bar stress 6 is welded with main force's main reinforcement in girder 9.
During the Integral Abutment construction of jointless bridge provided by the invention, put after the top surface dabbing of abutment supporting section 3
Section template and temporary support system 7 are poured after putting abutment.After washing out the back-up sand poured after abutment in section template, dabbing abutment changeover portion 5
Exposed bottom surface.
The exposed bottom surface dabbing of the top surface dabbing and abutment changeover portion 5 of abutment supporting section 3 can enhance the bridge of after-pouring
The switching performance between section 7 and abutment supporting section 6 below and the abutment changeover portion 5 of top is poured after platform, enhances the steady of abutment
It is qualitative.
During the Integral Abutment construction of jointless bridge provided by the invention, pour after abutment the rear portion of section template for one by
Under the supreme clapboard 41 for tilting backwards setting, and the bottom end of clapboard 41 is flushed with the rear end face of abutment supporting section 3, clapboard
41 upper end is located at 5 10~15cm of rear end face rear of abutment changeover portion and grout groove, clapboard is formed between abutment changeover portion 5
41 upper end is higher by 5 10~15cm of bottom surface of abutment changeover portion so that the top that 4 back ofs the body of section are poured after abutment envelopes abutment changeover portion 5
The bottom end of the platform back of the body.
Section 4 is poured after abutment in mold process is poured, passes through the clapboard 41 of template rear end so that poured after abutment section template with
Grout groove is formed between abutment changeover portion 5, convenient for pouring pouring for section 4 after abutment；The upper end of clapboard 41 is located at abutment changeover portion 5
10~15cm of rear end face rear so that the platform back of the body that section 4 forms wedge-type shape is poured after abutment, the upper end of clapboard 41 is higher by abutment mistake
Cross 5 10~15cm of bottom surface of section so that poured after abutment section 4 formation wedge-type shape platform the back of the body be also higher by abutment after pour 5 bottom of section
10~15cm of face so that the tops that the back of the body of section 4 is poured after abutment envelope the bottom ends of 5 back ofs the body of abutment changeover portion, poured after abutment section 4 with
It is very close to each other between abutment changeover portion 5, it ensure that the density of the two contact.
During the Integral Abutment construction of jointless bridge provided by the invention, poured after abutment and exhaust is offered in section template
Hole, pours section 4 after abutment and vibrates and pour.It pours section 4 after abutment to pour using microdilatancy pea gravel concreten, pouring concrete after can improving
Density, and the connection for improving new-old concrete structure connects energy.It is poured after abutment and offers gas vent in section template so that after abutment
Pouring can realize in 4 casting process of section and fully vibrate, and ensure to pour the density of the concrete of section 4 after abutment.
The height that section 4 is poured after abutment is 50~70cm, and temporary support system 7 includes multiple type steel support components, abutment mistake
Cross section 5 and the transition chamfered section of the junction formation 100cm*100cm of girder 9；Abutment sidewall 13 is located on cushion cap 2, and is located at
To stop that 2 rear of cushion cap is banketed, abutment sidewall 13 is connect respectively with cushion cap 2, abutment and girder 9 for the side of abutment and girder 9.
Specific case is applied in the present invention to be expounded the principle of the present invention and embodiment, above example
Illustrate to be merely used to help understand method and its core concept of the invention；Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, in specific embodiments and applications there will be changes.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (10)
1. a kind of Integral Abutment construction method of jointless bridge, it is characterised in that：Include the following steps：
Step 1：After pile foundation of constructing and cushion cap, abutment supporting section of constructing in the cushion cap upper end, the cushion cap is fixedly connected on institute
State pile foundation upper end；
Step 2：Section template and temporary support system, and the temporary support are poured after placing abutment on the abutment supporting section
System is poured in section template, and back-up sand in section template is poured after abutment after being located at the abutment；
Step 3：It constructs abutment changeover portion, the abutment changeover portion is located in the back-up sand poured after the abutment in section template, described
Abutment changeover portion upper end is consolidated with the girder for one-piece casting, after the completion of the longitudinal prestressing steel Shu Zhangla in the girder,
The back-up sand poured after the abutment in section template is washed out, casting concrete in section template is poured after the abutment and pours section after forming abutment
And conserve, section is poured after the abutment changeover portion, the abutment and the abutment supporting section is from top to bottom sequentially connected and forms institute
State the Integral Abutment of jointless bridge.
2. the Integral Abutment construction method of jointless bridge according to claim 1, it is characterised in that：The cushion cap
It is poured simultaneously with the abutment supporting section, the height of the abutment supporting section and the Integral Abutment of the jointless bridge
The ratio of height is [1/3,1/2].
3. the Integral Abutment construction method of jointless bridge according to claim 1, it is characterised in that：The cushion cap
Before casting concrete, the pre-buried abutment stress main reinforcement in the formwork for placing of the cushion cap, the abutment stress main reinforcement is described in
Is not blocked along the elongated setting of the Integral Abutment of jointless bridge height in cushion cap, the abutment stress main reinforcement upper end with
Pre-buried girder reinforcement welding in the formwork for placing of the girder.
4. the Integral Abutment construction method of jointless bridge according to claim 1, it is characterised in that：The abutment
Section template and the temporary support system are poured after the abutment is placed after the top surface dabbing of supporting section.
5. the Integral Abutment construction method of jointless bridge according to claim 1, it is characterised in that：The abutment
After pour in section template after back-up sand, the pre-buried connecting key in back-up sand, the connecting key extends upwardly to the bridge from the back-up sand
In the formwork for placing of platform changeover portion.
6. the Integral Abutment construction method of jointless bridge according to claim 4, it is characterised in that：Step 3
In, it pours the back-up sand in section template after washing out the abutment and cleans the exposed top surface of the abutment supporting section and the abutment transition
Behind the exposed bottom surface of section, the exposed bottom surface of abutment changeover portion described in dabbing.
7. the Integral Abutment construction method of jointless bridge according to claim 1, it is characterised in that：The abutment
The clapboard that the rear portion of section template tilts backwards setting from the bottom to top for one, and the bottom end of the clapboard and the abutment are poured afterwards
The rear end face of supporting section flushes, the upper end of the clapboard be located at the abutment changeover portion rear end face 10~15cm of rear with institute
State and grout groove formed between abutment changeover portion, the upper end of the clapboard be higher by 10~15cm of the abutment changeover portion bottom surface so that
The bottom end that section top of the platform back of the body envelopes the abutment changeover portion platform back of the body is poured after the abutment.
8. the Integral Abutment construction method of jointless bridge according to claim 1, it is characterised in that：The abutment
After pour gas vent offered in section template, pour section after the abutment and vibrate and pour.
9. a kind of Integral Abutment of jointless bridge, the Integral Abutment of the jointless bridge is used to be connected to cushion cap
Upper end, the cushion cap are connected to pile foundation upper end, it is characterised in that：The Integral Abutment of the jointless bridge is using right
The jointless bridge to be formed it is required that the Integral Abutment construction method of the jointless bridge described in any one of 1~8 is constructed
Integral Abutment, the Integral Abutment of the jointless bridge includes sequentially connected abutment supporting section, bridge from the bottom to top
Section and abutment changeover portion are poured after platform, the abutment changeover portion is used to consolidate with the girder one-piece casting of bridge, be poured after the abutment
It is provided with to pour the temporary support system that section pours abutment changeover portion described in front support, the abutment after the abutment in section
It pours afterwards after section completes the abutment of after-pouring formation for the longitudinal prestressing steel Shu Zhangla in the girder and pours section.
10. the Integral Abutment of jointless bridge according to claim 9, it is characterised in that：Section is poured after the abutment
Height for 50~70cm, the temporary support system includes multiple type steel support components, the abutment changeover portion and the master
The junction of beam forms transition chamfered section.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313523.XA CN108265620A (en) | 2018-04-10 | 2018-04-10 | The Integral Abutment construction method and Integral Abutment of jointless bridge |
| CN201810985931.XA CN108867344B (en) | 2018-04-10 | 2018-08-28 | Integral bridge abutment construction method of bridge without expansion joint and integral bridge abutment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313523.XA CN108265620A (en) | 2018-04-10 | 2018-04-10 | The Integral Abutment construction method and Integral Abutment of jointless bridge |
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| CN108265620A true CN108265620A (en) | 2018-07-10 |
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| CN201810313523.XA Pending CN108265620A (en) | 2018-04-10 | 2018-04-10 | The Integral Abutment construction method and Integral Abutment of jointless bridge |
| CN201810985931.XA Active CN108867344B (en) | 2018-04-10 | 2018-08-28 | Integral bridge abutment construction method of bridge without expansion joint and integral bridge abutment |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810985931.XA Active CN108867344B (en) | 2018-04-10 | 2018-08-28 | Integral bridge abutment construction method of bridge without expansion joint and integral bridge abutment |
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| CN104831618B (en) * | 2015-04-20 | 2016-07-06 | 福州大学 | A kind of abutment reaming structure optimizing Integral Abutment Bridge deformability |
| KR101653606B1 (en) * | 2015-09-25 | 2016-09-02 | 우경기술주식회사 | Method for constructing integral abutment bridge |
| CN105442457B (en) * | 2016-01-06 | 2017-02-01 | 福州大学 | Construction structure and method for extending bridge floor plate bridge filled with fine sand |
| CN105970800B (en) * | 2016-05-23 | 2017-12-26 | 长安大学 | The abutment connecting structure and its construction method of monoblock type combination beam is seamless bridge |
| CN106065564B (en) * | 2016-06-07 | 2018-01-12 | 长安大学 | A kind of seamless bridge of steel-concrete combined structure monoblock type |
| CN207143733U (en) * | 2017-04-28 | 2018-03-27 | 山西省交通科学研究院 | A kind of simple-supported thencontinuous bridge system converting system |
-
2018
- 2018-04-10 CN CN201810313523.XA patent/CN108265620A/en active Pending
- 2018-08-28 CN CN201810985931.XA patent/CN108867344B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983983A (en) * | 2019-12-20 | 2020-04-10 | 同济大学建筑设计研究院(集团)有限公司 | Construction method of fixed end beam and fixed end beam structure |
| CN110983983B (en) * | 2019-12-20 | 2021-11-16 | 同济大学建筑设计研究院(集团)有限公司 | Construction method of fixed end beam and fixed end beam structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108867344B (en) | 2023-07-28 |
| CN108867344A (en) | 2018-11-23 |
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