CN109826093A - A kind of bituminous concrete seamless expansion-contraction devices and its construction method - Google Patents

A kind of bituminous concrete seamless expansion-contraction devices and its construction method Download PDF

Info

Publication number
CN109826093A
CN109826093A CN201910125204.0A CN201910125204A CN109826093A CN 109826093 A CN109826093 A CN 109826093A CN 201910125204 A CN201910125204 A CN 201910125204A CN 109826093 A CN109826093 A CN 109826093A
Authority
CN
China
Prior art keywords
bituminous concrete
layer
top surface
intermediate zone
mating formation
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.)
Granted
Application number
CN201910125204.0A
Other languages
Chinese (zh)
Other versions
CN109826093B (en
Inventor
唐峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910125204.0A priority Critical patent/CN109826093B/en
Publication of CN109826093A publication Critical patent/CN109826093A/en
Application granted granted Critical
Publication of CN109826093B publication Critical patent/CN109826093B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a kind of bituminous concrete seamless expansion-contraction devices and its construction methods, the bituminous concrete seamless expansion-contraction devices include bituminous concrete pouring layer, transverse joint plate, separation layer and intermediate zone of mating formation, the top at expansion joint that the transverse joint plate is layed between two bridge ends or is formed between abutment parados and bridge end, transverse joint plate quantity is multi-disc, its length is greater than the width at expansion joint, mat formation transition zone setting in bridge deck pavement to the side extended at expansion joint, separation layer is layed in formed between two intermediate zones of mating formation after pour the bottom surface of notch, separation layer is set to the top surface of transverse joint plate, bituminous concrete pouring layer is poured in notch after being set to above separation layer, be in contact with the bituminous concrete pouring layer surface of side of intermediate zone of mating formation is set as waveform.The present invention has rational design and easy for construction, under the conditions of meeting bridge structure dilatation, increases driving comfort level and reduces the maintenance of telescopic device, have good engineering application value.

Description

A kind of bituminous concrete seamless expansion-contraction devices and its construction method
[technical field]
The present invention relates to the technical field of science of bridge building expansion joint design and construction, especially a kind of bituminous concrete is seamless Telescopic device and its construction method.
[background technique]
With the fast development of China's economy, traffic volume of highway is sharply increased, the travel speed and vehicle of vehicle on highway Load-carrying constantly increase, requirement of the people to road-ability is also higher and higher, therefore payes attention to not in previous Bridge Design, construction The problem of enough related expansion gap devices, since the problems such as breakage at expansion joint, notch blocking, stuck and expansion joint are broken causes Traffic safety accident, prestress steel sinew anchor head corrosion and support water enchroachment (invasion) evil the problems such as, become more and more prominent.
The expansion gap device of highway bridge directly bears the repeated stock effect of wheel load, and is chronically exposed to atmosphere In, use environment is severe, is that bridge structure is most subject to the position destroyed and be difficult to repair.Bridge expansion joint installation is being set There are tiny flaw or deficiencies on meter, construction, will cause the destruction of early stage, and bridge passenger is made to generate sense of discomfort, sometimes also Influence whether bridge structure itself, therefore the present invention proposes a kind of bituminous concrete seamless expansion-contraction devices and its construction method.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, propose a kind of bituminous concrete seamless expansion-contraction devices and Its construction method, simple structure, design are reasonable and easy for construction, under the conditions of meeting bridge structure dilatation, increase row Vehicle comfort level and the maintenance for reducing telescopic device have good engineering application value.
To achieve the above object, the invention proposes a kind of bituminous concrete seamless expansion-contraction devices, including bituminous concrete Pouring layer, transverse joint plate, separation layer and intermediate zone of mating formation, the transverse joint plate be layed between two bridge ends or abutment parados with The top at the expansion joint formed between bridge end, the length of the transverse joint plate are greater than the width at expansion joint, the transition of mating formation Band is set to bridge deck pavement to the side of extension at expansion joint, and the separation layer is layed between two intermediate zones of mating formation and is formed After pour the bottom surface of notch, the separation layer is set to the top surface of transverse joint plate, and the bituminous concrete pouring layer is set to separation layer It is poured in notch behind top, be in contact with the bituminous concrete pouring layer surface of side of the intermediate zone of mating formation is set as wave Shape.
Preferably, further including bitumen layer, the bitumen layer is sake layer, is set to mat formation intermediate zone and bituminous concrete Pouring layer top surface, the intermediate zone of mating formation, bituminous concrete pouring layer top surface lower than the top surface of bridge deck pavement be not less than 1cm。
Preferably, the top surface of the intermediate zone of mating formation, bituminous concrete pouring layer is equal with the top surface of bridge deck pavement Together.
Preferably, the transverse joint plate material is thin steel bar or other hard sheet materials, quantity is multi-disc, and length is super Expansion joint width is crossed not less than 4cm.
A kind of construction method of bituminous concrete seamless expansion-contraction devices, comprising the following steps:
Step 1. is mated formation the pouring construction of intermediate zone: when bridge deck pavement is bituminous concrete, then being needed to intermediate zone of mating formation Independent Reinforcement Design or fashioned iron reinforce design, and customize independent template forming, Zhi Houli to the waved surface by bitumen concrete side Module and cast-in-situ is mated formation intermediate zone, and transition band strength of mating formation can pour bridge floor bituminous concrete after reaching requirement;Bridge deck pavement is When cement concrete, natural prolongation of the intermediate zone of mating formation as bridge deck pavement, the Reinforcement Design together with bridge deck pavement, Cast in situs together forms whole load part later;
Step 2. installs transverse joint plate, separation layer: transverse joint plate need to be thin from the thin steel bar of strip of one fixed width or other hard Sheet material is cut into the small pieces of 7~15cm long, is laid in the bridge end top surface of sealing two sides between two parties later, and it is mixed to become top pitch The supporting member of solidifying soil pouring layer;Then separation layer is laid on transverse joint plate, separation layer pours pocket bottom blend compounds after need to completely spreading Glutinous agent cements therewith;
Step 3. pours bituminous concrete pouring layer: after the installation for completing separation layer, so that it may carry out next step pitch coagulation The cast-in-place construction of native pouring layer, first asphalt material heating and melting, other mineral materials stirring that corresponding proportion is added later is equal Even, layering is poured in notch after pouring into after discharging, is pressed closely with baby roller layering, is controlled curing time, ultimately form Meet the elaterite concrete of requirement for bearing capacity and flexible displacement requirement;
Step 4. pours top surface bitumen layer: when the setting of intermediate zone of mating formation top surface is lower than bridge deck pavement top surface, mating formation Cross band, the top surface of bituminous concrete pouring layer pours top surface bitumen layer, its top surface and bridge deck pavement top surface phase after pressing closely Concordantly;If existing intermediate zone top surface of mating formation is arranged than bridge deck pavement either flush, do not need to pour top surface bitumen layer.
Preferably, the intermediate zone of mating formation is one of cast-in-situ steel reinforced concrete, steel reinforced concrete, ratio is arranged in top surface Bridge deck pavement top surface is low to be not less than 1cm, is arranged to waveform close to one side surface of bituminous concrete pouring layer, to reinforce and drip Green concrete lift coheres.
Preferably, the bituminous concrete pour layer material be high strength and high flexibility bituminous concrete, elaterite concrete, One of rubber modified asphalt concrete, modified asphalt concrete.
Preferably, the transverse joint plate material is thin steel bar or other hard sheet materials, length is more than flexible slit width Degree is not less than 4cm.
Preferably, the insolated layer materials are one of metal foil paper, structure fiber cloth, mixed pitch is isolated Cohering between solidifying soil pouring layer and lower section bridge end.
Preferably, the pitch layer material is high strength and high flexibility pitch, elaterite, rubber modified asphalt, modified pitch One of.
Beneficial effects of the present invention: the present invention passes through bituminous concrete pouring layer, transverse joint plate, separation layer and intermediate zone of mating formation Deng combination, continuous entirety can be formed with deck paving, overcome the bridge floor out-of-flatness easily occurred at bridge expanssion joint, mistake Situations such as platform, irregular twisted and expansion joint, steady comfort of driving a vehicle are good;It can adapt to a variety of addendum modifications, design is reasonable, full Under the conditions of sufficient bridge structure dilatation, increases driving comfort level and reduce the maintenance of telescopic device, have fine Engineering application value.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is the first of the seamless expansion-contraction devices of a kind of bituminous concrete seamless expansion-contraction devices of the present invention and its construction method The cross section structure schematic diagram of embodiment;
Fig. 2 is the second of the seamless expansion-contraction devices of a kind of bituminous concrete seamless expansion-contraction devices of the present invention and its construction method The cross section structure schematic diagram of embodiment.
In figure: 1- bituminous concrete pouring layer, 2- transverse joint plate, 3- separation layer, 4- bitumen layer, 5- mat formation intermediate zone, 6- bridge Face pave-load layer, 7- bridge end.
[specific embodiment]
Embodiment 1
Refering to fig. 1, a kind of bituminous concrete seamless expansion-contraction devices of the present invention, including bituminous concrete pouring layer 1, transverse joint plate 2, separation layer 3 and intermediate zone 5 of mating formation, the transverse joint plate 2 is layed between two bridge ends 7 or abutment parados and bridge end Between the top at expansion joint that is formed, the length of the transverse joint plate 2 is more than that expansion joint width is not less than 4cm, the transition of mating formation Bridge deck pavement 6 is set to the side of extension at expansion joint with 5, and the separation layer 3 is layed between two intermediate zones 5 of mating formation The bottom surface of notch is poured after being formed, the separation layer 3 is set to the top surface of transverse joint plate 2, and the bituminous concrete pouring layer 1 is set to Separation layer 3 pours in notch behind top, and be in contact with bituminous concrete pouring layer 1 surface of side of the intermediate zone 5 of mating formation is set It is set to waveform, to reinforce cohering with bituminous concrete pouring layer 1.
It further, further include bitumen layer 4, the bitumen layer 4 is sake layer, and it is mixed to be set to mat formation intermediate zone 5 and pitch 1 top surface of solidifying soil pouring layer, the intermediate zone 5 of mating formation, the top surface of bituminous concrete pouring layer 1 are lower than the top surface of bridge deck pavement 6 Not less than 1cm.
Embodiment 2
Referring to Fig.2, the difference from embodiment 1 is that: do not have bitumen layer 4, the mat formation intermediate zone 5, bituminous concrete The top surface of pouring layer 1 and the top surface flush of bridge deck pavement 6.
Refering to fig. 1, a kind of construction method of bituminous concrete seamless expansion-contraction devices, includes the following steps:
Step 1. is mated formation the pouring construction of intermediate zone 5: when bridge deck pavement 6 is bituminous concrete, then being needed to transition of mating formation The independent Reinforcement Design of band 5 or fashioned iron reinforce design, and customize independent template forming to the waved surface by bitumen concrete side, later The cast-in-place intermediate zone 5 of mating formation of formwork erection, 5 intensity of intermediate zone of mating formation can pour bridge floor bituminous concrete after reaching requirement;Deck paving When layer 6 is cement concrete, natural prolongation of the intermediate zone of mating formation 5 as bridge deck pavement 6, together with bridge deck pavement 6 Reinforcement Design, together cast in situs form whole load part later;The intermediate zone 5 of mating formation is cast-in-situ steel reinforced concrete, type One of steel concrete;
Step 2. installs transverse joint plate 2, separation layer 3: transverse joint plate 2 need to be from the thin steel bar of strip of one fixed width or other hard Sheeting is cut into the small pieces of 7~15cm long, is laid in the beam slab top surface of sealing two sides, 2 width of transverse joint plate between two parties later It is not less than 4cm more than expansion joint width, becomes the supporting member of top bituminous concrete pouring layer 1;Then on 2 upper berth of transverse joint plate If separation layer 3, separation layer 3 pours the glutinous agent of pocket bottom blend compounds and cements therewith after need to completely spreading;2 material of transverse joint plate is thin steel bar Or other hard sheet materials.3 material of separation layer is one of metal foil paper, structure fiber cloth, drip is isolated Cohering between green concrete lift 1 and lower section bridge end 7;
Step 3. pours bituminous concrete pouring layer 1: after the installation for completing separation layer 3, so that it may it is mixed to carry out next step pitch Other mineral materials stirring of corresponding proportion is added first asphalt material heating and melting in the cast-in-place construction of solidifying soil pouring layer 1 later Uniformly, layering is poured in notch after pouring into after discharging, is pressed closely with baby roller layering, is controlled curing time, most end form At the elaterite concrete for meeting requirement for bearing capacity and flexible displacement requirement;The intermediate zone 5 of mating formation is close to pitch 1 one side surface of concrete lift is arranged to waveform, to reinforce cohering with bituminous concrete pouring layer 1;The pitch is mixed Solidifying soil 1 material of pouring layer is high strength and high flexibility bituminous concrete, elaterite concrete, rubber modified asphalt concrete, modified drip One of green concrete;
Step 4. pours top surface bitumen layer 4: when the setting of 5 top surface of intermediate zone of mating formation is lower than 6 top surface of bridge deck pavement, mating formation Intermediate zone 5, bituminous concrete pouring layer 1 top surface pour top surface bitumen layer 4, its top surface and bridge deck pavement 6 after pressing closely Top surface flush;When 5 top surface of intermediate zone of mating formation is arranged than 6 either flush of bridge deck pavement, do not need to pour top surface bitumen layer 4. 4 material of bitumen layer is one of high strength and high flexibility pitch, elaterite, rubber modified asphalt, modified pitch
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention Scheme all belong to the scope of protection of the present invention.

Claims (10)

1. a kind of bituminous concrete seamless expansion-contraction devices, it is characterised in that: including bituminous concrete pouring layer (1), transverse joint plate (2), separation layer (3) and intermediate zone of mating formation (5), the transverse joint plate (2) is layed between two bridge ends (7) or abutment parados The top at the expansion joint formed between bridge end, transverse joint plate (2) quantity are multi-disc, and length is greater than the width at expansion joint Degree, the intermediate zone of mating formation (5) are set to bridge deck pavement (6) to the side of extension at expansion joint, and the separation layer (3) is laid with The bottom surface of notch is poured after being formed between two intermediate zones of mating formation (5), the separation layer (3) is set to the top of transverse joint plate (2) Face, the bituminous concrete pouring layer (1) are poured in notch after being set to above separation layer (3), the intermediate zone of mating formation (5) and drip The be in contact surface of side of green concrete lift (1) is set as waveform.
2. a kind of bituminous concrete seamless expansion-contraction devices as described in claim 1, it is characterised in that: it further include bitumen layer (4), The bitumen layer (4) is sake layer, is set to intermediate zone of mating formation (5) and bituminous concrete pouring layer (1) top surface.
3. a kind of bituminous concrete seamless expansion-contraction devices as described in claim 1, it is characterised in that: the intermediate zone of mating formation (5), the top surface of bituminous concrete pouring layer (1) is lower than the top surface of bridge deck pavement (6) is not less than 1cm.
4. a kind of bituminous concrete seamless expansion-contraction devices as described in claim 1, it is characterised in that: transverse joint plate (2) material Material is thin steel bar or other hard sheet materials, and quantity is multi-disc, and length is more than that expansion joint width is not less than 4cm.
5. a kind of construction method of bituminous concrete seamless expansion-contraction devices as described in claim 1, it is characterised in that: including as follows Step:
Step 1. is mated formation the pouring constructions of intermediate zone (5): when bridge deck pavement (6) is bituminous concrete, then being needed to transition of mating formation Individually Reinforcement Design or fashioned iron reinforce design to band (5), and customize independent template forming to the waved surface by bitumen concrete side, it The cast-in-place intermediate zone of mating formation (5) of formwork erection afterwards, intermediate zone of mating formation (5) intensity can pour bridge floor bituminous concrete after reaching requirement;Bridge When face pave-load layer (6) is cement concrete, natural prolongation of the intermediate zone of mating formation (5) as bridge deck pavement (6), with bridge floor Reinforcement Design, together cast in situs form whole load part to pave-load layer (6) later together;
Step 2. installs transverse joint plate (2), separation layer (3): transverse joint plate (2) need to be from the thin steel bar of strip of one fixed width or other are hard Matter sheeting is cut into the small pieces of 7~15cm long, is laid in bridge end (7) top surface of sealing two sides between two parties later, become on The supporting member of portion's bituminous concrete pouring layer (1);Then separation layer (3) are laid on transverse joint plate (2), separation layer (3) need to expire Paving pours the glutinous agent of pocket bottom blend compounds and cements therewith;
Step 3. pours bituminous concrete pouring layer (1): after the installation for completing separation layer (3), so that it may it is mixed to carry out next step pitch The cast-in-place construction of solidifying soil pouring layer (1), first asphalt material heating and melting, other mineral materials that corresponding proportion is added later are stirred It mixes uniformly, layering is poured in notch after pouring into after discharging, is pressed closely with baby roller layering, is controlled curing time, finally Form the elaterite concrete for meeting requirement for bearing capacity and flexible displacement requirement;
Step 4. pours top surface bitumen layer (4): when the setting of intermediate zone of mating formation (5) top surface is lower than bridge deck pavement (6) top surface, spreading Fill intermediate zone (5), the top surface of bituminous concrete pouring layer (1) pours top surface bitumen layer (4), its top surface and bridge floor after pressing closely Pave-load layer (6) top surface flush;If existing intermediate zone of mating formation (5) top surface setting is with bridge deck pavement (6) either flush, no Need to pour top surface bitumen layer (4).
6. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: the paving Filling intermediate zone (5) is one of cast-in-situ steel reinforced concrete, steel reinforced concrete, and top surface setting is lower than bridge deck pavement (6) top surface Not less than 1cm, it is arranged to waveform close to (1) one side surface of bituminous concrete pouring layer, to reinforce pouring with bituminous concrete Layer (1) coheres.
7. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: the drip Green concrete lift (1) material be high strength and high flexibility bituminous concrete, elaterite concrete, rubber modified asphalt concrete, One of modified asphalt concrete.
8. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: it is described across Stitching plate (2) material is thin steel bar or other hard sheet materials, and length is more than that expansion joint width is not less than 4cm.
9. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: it is described every Absciss layer (3) material is one of metal foil paper, structure fiber cloth, bituminous concrete pouring layer (1) and lower section is isolated Cohering between bridge end (7).
10. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: described Bitumen layer (4) material is one of high strength and high flexibility pitch, elaterite, rubber modified asphalt, modified pitch.
CN201910125204.0A 2019-02-20 2019-02-20 Asphalt concrete seamless expansion device and construction method thereof Active CN109826093B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910125204.0A CN109826093B (en) 2019-02-20 2019-02-20 Asphalt concrete seamless expansion device and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910125204.0A CN109826093B (en) 2019-02-20 2019-02-20 Asphalt concrete seamless expansion device and construction method thereof

Publications (2)

Publication Number Publication Date
CN109826093A true CN109826093A (en) 2019-05-31
CN109826093B CN109826093B (en) 2021-05-07

Family

ID=66863814

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910125204.0A Active CN109826093B (en) 2019-02-20 2019-02-20 Asphalt concrete seamless expansion device and construction method thereof

Country Status (1)

Country Link
CN (1) CN109826093B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110965422A (en) * 2019-12-13 2020-04-07 江苏中路工程技术研究院有限公司 Flexible splicing paving structure and construction method thereof
CN110983967A (en) * 2019-12-27 2020-04-10 同济大学建筑设计研究院(集团)有限公司 Bridge deck continuous process
CN111074762A (en) * 2019-12-11 2020-04-28 南通大学 Seamless expansion joint of compound concrete bridge face of carbon cloth
CN113152270A (en) * 2021-04-22 2021-07-23 济南金诺公路工程监理有限公司 Seamless bridge deck expansion joint device and construction method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2081753A1 (en) * 1992-10-14 1996-03-01 Colas S A Y Colas S A Filling material for viscoelastic joint in civil engineering structure - made from homogenous and self-compacting mixt. based on bitumen, cellulose fibres, crushed sand and gravel
CN103556569A (en) * 2013-11-22 2014-02-05 张志成 Composite seamless expansion joint for bridge
CN103669202A (en) * 2013-07-10 2014-03-26 孟献春 Road and bridge expansion joint structure
CN104818669A (en) * 2015-05-11 2015-08-05 苏交科集团股份有限公司 Slipping type seamless telescopic device
CN204570470U (en) * 2015-04-21 2015-08-19 杭州金知科技有限公司 A kind of novel bridge stitches continuously
CN204570471U (en) * 2015-04-21 2015-08-19 杭州金知科技有限公司 A kind of bridge stitches continuously
CN204608598U (en) * 2015-05-08 2015-09-02 山西省交通科学研究院 A kind of seamless bridge joint structure
CN206189258U (en) * 2016-10-15 2017-05-24 高国平 Composite seamless expansion joint for bridge
CN206581145U (en) * 2017-01-06 2017-10-24 东南大学 A kind of concrete-bridge end deck installation structure for exempting from expansion joint

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2081753A1 (en) * 1992-10-14 1996-03-01 Colas S A Y Colas S A Filling material for viscoelastic joint in civil engineering structure - made from homogenous and self-compacting mixt. based on bitumen, cellulose fibres, crushed sand and gravel
CN103669202A (en) * 2013-07-10 2014-03-26 孟献春 Road and bridge expansion joint structure
CN103556569A (en) * 2013-11-22 2014-02-05 张志成 Composite seamless expansion joint for bridge
CN204570470U (en) * 2015-04-21 2015-08-19 杭州金知科技有限公司 A kind of novel bridge stitches continuously
CN204570471U (en) * 2015-04-21 2015-08-19 杭州金知科技有限公司 A kind of bridge stitches continuously
CN204608598U (en) * 2015-05-08 2015-09-02 山西省交通科学研究院 A kind of seamless bridge joint structure
CN104818669A (en) * 2015-05-11 2015-08-05 苏交科集团股份有限公司 Slipping type seamless telescopic device
CN206189258U (en) * 2016-10-15 2017-05-24 高国平 Composite seamless expansion joint for bridge
CN206581145U (en) * 2017-01-06 2017-10-24 东南大学 A kind of concrete-bridge end deck installation structure for exempting from expansion joint

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111074762A (en) * 2019-12-11 2020-04-28 南通大学 Seamless expansion joint of compound concrete bridge face of carbon cloth
CN111074762B (en) * 2019-12-11 2021-08-31 南通大学 Seamless expansion joint of compound concrete bridge face of carbon cloth
CN110965422A (en) * 2019-12-13 2020-04-07 江苏中路工程技术研究院有限公司 Flexible splicing paving structure and construction method thereof
CN110965422B (en) * 2019-12-13 2021-11-05 江苏中路工程技术研究院有限公司 Flexible splicing paving structure and construction method thereof
CN110983967A (en) * 2019-12-27 2020-04-10 同济大学建筑设计研究院(集团)有限公司 Bridge deck continuous process
CN110983967B (en) * 2019-12-27 2021-09-28 同济大学建筑设计研究院(集团)有限公司 Bridge deck continuous process
CN113152270A (en) * 2021-04-22 2021-07-23 济南金诺公路工程监理有限公司 Seamless bridge deck expansion joint device and construction method thereof

Also Published As

Publication number Publication date
CN109826093B (en) 2021-05-07

Similar Documents

Publication Publication Date Title
CN109826093A (en) A kind of bituminous concrete seamless expansion-contraction devices and its construction method
US3932051A (en) Highway construction
CN103334357B (en) Viaduct road embankment structure with lower pile foundation bearing platform extending in roadbed, and construction method
CN108755320A (en) A kind of reinforcement Foam lightweight soil Widening Embankment structure and its construction method
CN207267954U (en) A kind of prefabricated PC construction refuse regenerated aggregate road
CN206928165U (en) A kind of water penetration armored concrete basic unit
CN108660952A (en) A kind of Incremental Launching Method that the prefabricated car case of assembly concrete is logical
CN109440571A (en) The construction method for building road is faced in a kind of laying of prefabricated board
CN110499692A (en) One kind pouring into formula composite pavement construction method
CN111576093A (en) Structure for treating railway slurry pumping and construction method
CN108035252A (en) A kind of simply supported girder bridge panel continuous structure and its construction method
CN110195406A (en) A kind of seamless bridge abutment structure
CN213772779U (en) Concrete road surface structure permeates water
CN107268438A (en) Carry out spelling wide bridge floor system fast joint structure using UHPC materials
CN208668192U (en) A kind of reinforcement Foam lightweight soil Widening Embankment structure
CN114960331A (en) Rigid-flexible composite pavement structure and construction method thereof
CN111364307B (en) Roadbed reinforcing structure of road and bridge connecting section and construction process thereof
CN211815250U (en) Road widening roadbed splicing structure
CN206706543U (en) A kind of deck transverse slope adjusts structure
CN113026469A (en) Stress relieving pavement
CN111926649A (en) Reinforced integrally-built crossing plate for railway special line and line rail fixing device
CN219824779U (en) Cement concrete pavement structure
CN111794026B (en) Construction method of main body structure of underpass of expressway
CN219157312U (en) Node structure for widening between new road structure and old road structure of road surface
CN212505689U (en) Reinforced integrally-built crossing plate for railway special line and line rail fixing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant