CN208151833U - A kind of construction of novel RC-masonry combination arch bridge - Google Patents
A kind of construction of novel RC-masonry combination arch bridge Download PDFInfo
- Publication number
- CN208151833U CN208151833U CN201820599861.XU CN201820599861U CN208151833U CN 208151833 U CN208151833 U CN 208151833U CN 201820599861 U CN201820599861 U CN 201820599861U CN 208151833 U CN208151833 U CN 208151833U
- Authority
- CN
- China
- Prior art keywords
- arch
- construction
- masonry
- bridge
- rib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
A kind of construction of novel RC-masonry combination arch bridge is made of a phase structure, the second stage of structure and spandrel construction, using the spatial integral structure that RC arch rib, RC crossbeam and pier form as a phase structure, the RC arch rib and crossbeam of one phase structure are prefabricated using construction segmentation early period, and segmental hoisting group merges cast-in-place integral.After a phase structure integrally reaches design strength, then the segmentation of slitting on it builds masonry arch bar as the second stage of structure, and first arch rib masonry arch bar in masonry, rear to build side arch rib masonry arch bar.Then the later period structure or spandrel construction of its higher slice masonry are determined according to main arch ring thickness, until full-bridge is formed, construction is finished.The construction makes RC arch rib not only play the role of bearing carrier, and its arch formed becomes the falsework of later period structure construction, avoiding traditional masonry arch bridge trestle construction engineering method middle arch rack is only used as construction bracket to use, the waste that arch ring is removed after building up.
Description
Technical field
The utility model belongs to arch formation and technical field of construction, and in particular to arrives a kind of deck type novel compositions arch bridge
Construction, which is made of arch rib and masonry arch bar.
Background technique
Arch bridge is with a long history, has many advantages, such as that beautiful design, sturdy and durable, materials are convenient, cost is relatively low, extensive
Applied to the field of traffic such as highway, municipal administration and landscape bridge.But, during arch bridge develops, structural material and construction
Technique restricts its development always.
Under the big capital construction background of China's nearest decades, a large amount of highway and bridge are built, but we have found that in crowd
In more bridge constructions, various beam bridges and long-span cable-supported bridge mainly based on armored concrete, and there are numerous stress
The arch bridge of advantage is but by cold reception.To find out its cause, not go out secondly：First is that the high-strength stone material needed for traditional masonry arch bridge is built is deficient
Weary or building block processing charges is expensive.The construction material that ancient arch bridge mainly uses is based on stone material, but the acquisition of stone material now
It has not been so easy for opposite concrete.In addition, with the preferable corrosion resistance of stone material, decoration function, durable etc.
Feature promotes its cost higher and higher.Second is that the construction construction of arch bridge is more complex compared to for the bridge of other forms, need
It sets up the masonry that arch etc. carries out main arch ring early period, has correspondingly improved its construction cost, in addition the risk in arch bridge construction
Also higher, therefore, seldom used in a large amount of bridges built at present.Unless special circumstances, otherwise arch bridge will not generally be considered to build
It makes.A small number of landscape bridges can use this bridge type of arch bridge, but mostly or based on armored concrete.
In order to make this bridge type with lot of advantages of arch bridge can continue to play its unique advantage, therefore, it is necessary to from
It is transformed or innovates in terms of arch bridge structure construction material and in terms of its construction technology.
In terms of arch bridge construction material, need to continue the advantages of developing masonry structure.In recent years, Guizhou, Chongqing, Yunnan,
A collection of stone arch bridge has been built in Shanxi and Shaanxi on a highway, show economy of the stone arch bridge on mountainous area highway and
Applicability.With the implementation of China's Western Development Strategy, there will be a large amount of High Grade Highway in Mountain Area to build, these regional masonry materials
Resourceful, the price of labour power is relatively low.In addition, with the continuous improvement of strength on concrete material, by existing《Masonry bridge
Contain design specification》It was found that in masonry structure other than stone block masonry, the intensity of high-grade concrete segment also can be with
Barnacle block compares favourably, or even is surmounted, it is possible to make full use of regional material characteristics, adaptation to local conditions selects barnacle block to build
The primary building material of body or concrete intensity measuring as arch bridge.
In terms of the construction technology of arch bridge, traditional masonry arch bridge uses trestle construction, or common clay ox to encircle tire
Equal constructions.With span of bridge and the high increase of bridge, the expense of bracket and other ancillary equipments is greatly increased, and is passing
It unites in masonry arch bridge trestle construction, arch is only used as construction bracket to use, and fund and labor are also expended after Arch Bridge Construction
Power decentering, causes that masonry arch bridge execution conditions are harsh, long in time limit, labor intensive is more, high cost problem, limits
Application of the masonry arch bridge on high-grade highway.The working procedure of arch bridge is more, also fails to adopt in the construction of current masonry arch bridge
It, using combination masonry arch bridge, is improved with high mechanization and industrialized method in order to save labour, accelerate construction progress
Prefabricated components specific gravity shared in bricklaying quantity, so that mechanization and industrialized construction are just very necessary.
Based on this, develops one kind and be suitable for varying environment, can gather materials on the spot, become main arch ring itself from block for erection
System, the novel masonry arch bridge realized convenient for erection without scaffolding.The utility model proposes a kind of RC-masonry combination arch bridge, RC, that is, steel
Reinforced concrete.Arch rib construction uses erection without scaffolding, and lifting splicing builds masonry, main arch ring gradually forms, and belongs on arch rib
From the system of erection.This is reasonable in design, safe and reliable, meets from requirement is set up, erection without scaffolding can be used in terms of construction,
It saves and sets up with removal bracket process, avoid fund and the waste of labour, while construction technology can be simplified, shorten construction week
Phase improves construction efficiency and safety, has better applicability for the bridge that the landform such as mountain area are limited.
Summary of the invention
The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art, provide a kind of design rationally,
Novel reinforced concrete-masonry that structure is simple, simplifies construction technology, shortens construction period, improving construction efficiency and safety
Combination arch bridge construction.
Solve above-mentioned technical problem the technical solution adopted is that：Arch bridge arch springing skewback, arch bridge arch springing arch are set at bridge site
Lifting splicing setting at least two RC arch ribs between seat, the segmentation of RC arch rib is prefabricated, and crossbeam, RC arch rib and crossbeam are arranged between RC arch rib
First layer masonry arch bar is set in the arch frame structure of formation, the arch frame structure that RC arch rib and crossbeam are formed on first layer masonry arch bar
Interior settable second layer masonry arch bar forms main arch ring in turn.
The shape of the RC arch rib of the utility model, setting item number, segmentation number of segment and crossbeam setting number by arch bridge across
Diameter, ratio of rise to span and the wide determination of bridge.
The side arch rib section shape of the RC arch rib of the utility model is L shape.
The long-armed thickness of the L shape side arch rib of the utility model is greater than galianconism thickness.
The middle arch rib cross sectional shape of the RC arch rib of the utility model is inverted T-shaped.
The first layer masonry arch bar of the utility model, second layer masonry arch bar slitting subsection setup are in RC arch rib and crossbeam shape
At arch in.
The utility model has the following advantages that compared with the prior art：
1, masonry arch bar uses barnacle block perhaps high strength concrete building block barnacle block or high grade coagulation
The elasticity modulus of earth building blocks is higher than the elasticity modulus of regular tenacity grade concrete, this can guarantee to reach in earlier masonry arch bar
After some strength, the internal force generated when building later period masonry structure and spandrel structure is mainly undertaken by earlier masonry arch bar, and
It is not to be undertaken by the concrete prefabricated RC arch rib of common grade, avoiding problems the sectional dimension of RC arch rib is excessive, and makes this
Kind bridge type loses actual use value.
2, the stress advantage of main arch ring " soft under going up firmly " avoids in double curvature arched bridge because its arch rib rigidity is greater than arch-wave, arch bar
Rigidity and form the structure combining form of " under firmly upper soft ".Under the long term of load, the arch-wave and arch of double curvature arched bridge
The deformation of plate is greater than the deformation of arch rib, and inconsistent due to this deformation, causing structure crack occur reduces the safety of bridge
Property and service life.
3, light material can be used in arch rib, pre-formed, and plasticity is good, has preferable ductility, anti-seismic performance etc.；
4, construction arch will not waste；
5, no setting is required deck expansion joint and avoid serious bumping at bridge-head, convenient for maintenance management, maintenance cost is few, warp
Long durable, long service life.
6, it is easier to obtain area suitable for the abundant area of mountain area stone material or concrete material.
Detailed description of the invention
Fig. 1 is the schematic diagram after the completion of 4 RC rib-hoisting combinations.
Fig. 2 is the phase structural schematic diagram after each crossbeam is connect with 4 arch ribs.
Fig. 3~Fig. 6 is the middle arch rib section construction schematic diagram of combination arch bridge.
Fig. 7~Figure 10 is the side arch rib section construction schematic diagram of combination arch bridge.
Figure 11 is that the arch seam of each arch bar of combination arch bridge pours rear main arch ring shaping schematic view.
Figure 12 is the construction flow chart of the utility model.
In figure：1, arch bridge arch springing skewback；2, RC arch rib；3, crossbeam；4, first layer masonry arch bar.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, but the utility model is not limited to this
A little embodiments.
Embodiment 1
In Fig. 1~Figure 11, a kind of construction of novel RC-masonry combination arch bridge of the utility model, arch of constructing at bridge site
Bridge arch foot arch seat 1, after the completion of construction, at least lifting pours two RC arch ribs 2 between arch bridge arch springing skewback 1, is segmented on RC arch rib 2
Pour crossbeam 3, RC arch rib 2 and crossbeam 3 according at bridge site geological hydrology condition and design drawing carried out by armored concrete it is pre-
System, 2 shape of RC arch rib and item number, RC arch rib 2 are segmented number of segment and the setting of crossbeam 3 number is wide by the across footpath, ratio of rise to span and bridge of arch bridge
Etc. Bridge Designs factor determine.
In the present embodiment when arch bridge across footpath is 5m~15m, main arch ring is steep line of apsides shape, each RC arch rib 2 divide 2 sections it is pre-
1~3 crossbeam 3 is arranged in system, the cast-in-place splicing of vault；
When arch bridge across footpath is 15m~25m, main arch ring is smooth arch, and each RC arch rib 2 divides 3 sections of prefabricated, cast-in-place splicings, if
Set 3~5 crossbeams 3；
When arch bridge across footpath is 25m~50m, main arch ring is smooth arch, and each RC arch rib 2 divides 5 sections of prefabricated, cast-in-place splicings, if
Set 5~7 crossbeams 3.
Wherein, the item number of RC arch rib 2 is by the wide determination of bridge：When bridge is wide is less than 5m, using 2 RC arch ribs 2；When bridge it is wide between
When 5m~10m, using 3 RC arch ribs 2；When bridge is wider than 10m, using 4 RC arch ribs 2, and so on, depending on concrete condition and
Convenience for construction determines.
RC arch rib 2 and crossbeam 3 form arch frame structure, increase the globality and stability of structure, first encircle first layer masonry
The segmentation of plate 4 is cast in RC on arch rib, then the segmentation of first layer masonry arch bar 4 is cast on the arch rib of the side RC；First layer masonry arch
After plate 4 reaches design strength, similarly second layer masonry arch bar is cast on arch frame structure；The construction layer of masonry arch bar is several
It is determined according to main arch ring thickness in specific design and constructing operation convenience.The cross sectional shape of RC arch rib 2 can according to force request into
Row design, the side arch rib section shape of the RC arch rib 2 of the present embodiment are L shape, and the middle arch rib cross sectional shape of RC arch rib 2 is inverted T-shaped,
Wherein the long-armed thickness of L shape arch rib section is greater than galianconism thickness, so that it is connected with the close of masonry arch bar, improves main arch ring
Globality and shear behavior etc.；The height of increasing section is used away from resisting unfavorable stress and bracket branch to provide enough bending resistances
The force request of support, the whole stress that RC arch rib 2 can so formed with masonry arch bar is consistent, and rigidity is larger, compound section
It includes reinforcing bar and further improves ductility and the anti-seismic performance etc. of bridge compared with masonry arch bridge.
In Figure 12, the construction method of combination arch bridge construction is：
A, combination arch bridge across footpath, ratio of rise to span, bridge are wide and arch bridge material forms etc. is designed according to geological hydrology overview at bridge site
Parameter；
B, the prefabricated of RC arch rib 2 and crossbeam 3 is carried out according to design scheme drawing, carries out applying for arch bridge arch springing skewback at bridge site
Work；
C, the attachment device with RC arch rib 2 is set at arch bridge arch springing skewback, prefabricated RC arch rib 2 and crossbeam 3 are divided
Section lifting, and the progress of each connector is cast-in-place, form it into overall structure；
D, after the arch frame structure being made of RC arch rib 2 and crossbeam 3 reaches design strength, first layer is built in slitting, segmentation
Body arch bar 4 is built in RC on arch rib；
E, slitting, segmentation build first layer masonry arch bar 4 on the arch rib of the side RC；
F, after first layer masonry arch bar 4 reaches design strength, second layer masonry arch bar or spandrel construction segmentation are all built
It builds on first layer masonry arch bar；
The arch for forming RC arch rib 2 before masonry carries out the anchor of end template used when masonry masonry as supporting support
Gu and connection, the building process of masonry arch bar need to follow certain process, guarantee the stabilization and safety of each structure in building process.
For small across footpath, bridge is wide smaller and the combination arch bridge of only two RC arch ribs 2 can be segmented and once build barnacle body
It builds up type and forms main arch ring；For there is the combination arch bridge of a plurality of arch rib, it then follows the sequence slitting of arch bar, back arch bar is built in elder generation
It builds, and each arch bar also needs to follow certain segmentation masonry process.After the completion of each arch bar is built, using between every arch bar
The fissure of displacement pours each masonry arch bar integrally, and the construction of main arch ring at this time is fully completed.
G, it after second layer masonry arch bar reaches design strength, is formed and is led with first layer masonry arch bar 4, RC arch rib 2 and crossbeam 3
Arch ring removes end template after main arch ring integrally reaches design strength, carries out the construction of later period structure, until full-bridge is formed,
Construction finishes.
Using the utility model construction and construction method when, the filler in arch bridge spandrel construction can be with end of the bridge joining place
Subgrade and pavement material be consistent, and then avoid generally existing and to bridge usability in concrete-bridge and roadbed joining place
Huge vehicle bump at bridge ends can be influenced, thus in the service life for fundamentally extending bridge.
After the RC arch rib 2 of the combination arch bridge serves not only as into the bearing carrier after bridge, and its arch formed becomes
The falsework when structure constructions such as phase masonry arch bar, arch is only when avoiding traditional masonry arch bridge using trestle construction engineering method
It is used as construction bracket, the waste of arch striking after arch ring forms and reaches its design strength.For traditional masonry arch bridge
Relatively common construction is other than above-mentioned arch construction, and there are also the civil clay ox arch tire method being often used, this construction parties
Method can expend a large amount of manpower and material resources, and the construction time is longer, be unfavorable for engineering construction construction, while being also unfavorable for environmental requirement
Meet, need to improve to some extent, the construction method of the utility model can be by problem above very good solution.
The novel compositions arch bridge is the masonry that masonry arch bar is carried out on the basis of using RC arch rib as fabric, RC arch
Light material can be used in rib, pre-formed, and plasticity is good, requires harsher main arch is linear to be easier to reality arch bridge main arch ring
It is existing, and masonry arch bar (the barnacle body arch bar either used in the relatively abundant area of stone material, or because concrete material is easier to obtain
And the strong concrete building block arch bar used) by the primary load bearing structure as later period Cheng Qiaohou main arch ring, mitigate RC arch rib
Stress burden.This combining form has the stress of " soft under going up firmly " due to the dual extension-compression modulus of RC arch rib and masonry arch bar
Advantage, the high pressure resistance energy and reinforced concrete structure that can give full play to masonry structure are compared with the plasticity of masonry structure, corrosion-resistant, wind resistance
Change the advantages that good with shock resistance, to keep bridge durable, reduces maintenance cost.
Claims (6)
1. a kind of construction of novel RC-masonry combination arch bridge, it is characterised in that：Arch bridge arch springing skewback, arch bridge are set at bridge site
Lifting splicing setting at least two RC arch ribs between arch springing skewback, the segmentation of RC arch rib is prefabricated, and crossbeam, RC arch rib are arranged between RC arch rib
First layer masonry arch bar is set in the arch frame structure formed with crossbeam, the arch that RC arch rib and crossbeam are formed on first layer masonry arch bar
Settable second layer masonry arch bar forms main arch ring in turn in frame structure.
2. a kind of construction of novel RC-masonry combination arch bridge according to claim 1, it is characterised in that：The RC arch
The setting number of item number, segmentation number of segment and crossbeam is arranged by the wide determination of across footpath, ratio of rise to span and bridge of arch bridge in the shape of rib.
3. a kind of construction of novel RC-masonry combination arch bridge according to claim 1, it is characterised in that：The RC arch
The side arch rib section shape of rib is L shape.
4. a kind of construction of novel RC-masonry combination arch bridge according to claim 3, it is characterised in that：The L shape
The long-armed thickness of side arch rib is greater than galianconism thickness.
5. a kind of construction of novel RC-masonry combination arch bridge according to claim 1, it is characterised in that：The RC arch
The middle arch rib cross sectional shape of rib is inverted T-shaped.
6. a kind of construction of novel RC-masonry combination arch bridge according to claim 1, it is characterised in that：Described first
Layer masonry arch bar, second layer masonry arch bar slitting subsection setup are in the arch that RC arch rib and crossbeam are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820599861.XU CN208151833U (en) | 2018-04-25 | 2018-04-25 | A kind of construction of novel RC-masonry combination arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820599861.XU CN208151833U (en) | 2018-04-25 | 2018-04-25 | A kind of construction of novel RC-masonry combination arch bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208151833U true CN208151833U (en) | 2018-11-27 |
Family
ID=64375040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820599861.XU Expired - Fee Related CN208151833U (en) | 2018-04-25 | 2018-04-25 | A kind of construction of novel RC-masonry combination arch bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208151833U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374320A (en) * | 2018-04-25 | 2018-08-07 | 长安大学 | A kind of construction and construction method of novel RC-masonry combination arch bridge |
| CN110700071A (en) * | 2019-11-16 | 2020-01-17 | 福州大学 | Prefabricated assembled UHPC plate type arch bridge and construction method thereof |
| CN111560836A (en) * | 2020-05-20 | 2020-08-21 | 河北工业大学 | Construction method of arch bridge main arch and construction method of assembled arch bridge |
| CN114808655A (en) * | 2022-04-07 | 2022-07-29 | 广州市市政工程设计研究总院有限公司 | Arch composite bridge structure is decorated to soft basic area view |
-
2018
- 2018-04-25 CN CN201820599861.XU patent/CN208151833U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374320A (en) * | 2018-04-25 | 2018-08-07 | 长安大学 | A kind of construction and construction method of novel RC-masonry combination arch bridge |
| CN110700071A (en) * | 2019-11-16 | 2020-01-17 | 福州大学 | Prefabricated assembled UHPC plate type arch bridge and construction method thereof |
| CN111560836A (en) * | 2020-05-20 | 2020-08-21 | 河北工业大学 | Construction method of arch bridge main arch and construction method of assembled arch bridge |
| CN111560836B (en) * | 2020-05-20 | 2021-02-09 | 河北工业大学 | Construction method of arch bridge main arch and construction method of assembled arch bridge |
| CN114808655A (en) * | 2022-04-07 | 2022-07-29 | 广州市市政工程设计研究总院有限公司 | Arch composite bridge structure is decorated to soft basic area view |
| CN114808655B (en) * | 2022-04-07 | 2024-03-29 | 广州市市政工程设计研究总院有限公司 | Soft foundation area view decoration arch combination bridge structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208151833U (en) | A kind of construction of novel RC-masonry combination arch bridge | |
| CN108374320A (en) | A kind of construction and construction method of novel RC-masonry combination arch bridge | |
| CN207194146U (en) | Prestressing force assembly concrete frame joint attachment structure | |
| CN103938546B (en) | Simply supported non-uniform construction method | |
| CN105113389A (en) | Assembled type bridge pier column member with steel-concrete composite structure | |
| CN101831875A (en) | Precast assembly process of prestressed concrete cylindrical hollow pier | |
| CN104988844B (en) | Two times tensioning prestressing force assembled Wavelike steel webplate combination beam | |
| CN106013432B (en) | A kind of high ductility prefabricated integral frame interior joint connection structure and construction method | |
| CN104762871A (en) | Prestressed concrete-steel tank beam bond beam continuous beam bridge | |
| CN102535327A (en) | Through prestress steel truss and concrete combined continuous steel structure bridge and construction method thereof | |
| CN107090908B (en) | A kind of vertical prefabricated components joint connecting method | |
| CN103046463B (en) | Assembly type saddle-shell-shaped bottom plate continuous box girder bridge and construction method thereof | |
| CN106223183A (en) | Assembled concrete-filled rectangular steel tube combination truss bridge and construction method | |
| CN108951399A (en) | A kind of Single-box multi-chamber box beam bridge and its construction method | |
| CN109057148A (en) | Ultra-high performance concrete is without regular reinforcement Prestressed U type beam and its construction method | |
| CN107905091A (en) | A kind of section assembling FRP using SMA presstressed reinforcing steel systems strengthens concrete pier of steel tube | |
| CN208533868U (en) | A kind of novel arrangement of reinforcement hollow steel pipe high-strength concrete column | |
| CN109853353A (en) | A kind of spacial special-shaped arch bridge and its construction method | |
| CN109797659A (en) | A kind of mobile asynchronous construction method of bracket of Wavelike steel webplate continuous bridge | |
| CN114892552A (en) | Box girder type bridge reconstruction construction method | |
| CN210395128U (en) | Hollow core plate beam connection structure in bridge widening | |
| CN209907183U (en) | Highway assembled abutment | |
| CN206090275U (en) | Assembled rectangular concrete -filled steel tube makes up truss bridge | |
| CN208293400U (en) | A kind of ultra-high performance concrete-part girder steel combination bent cap | |
| CN104612142B (en) | Integral abutment bridge structure based on composite flexible piles and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |