CN108385507A - A kind of assembly type high-performance steel reinforced concrete pontoon bridge - Google Patents
A kind of assembly type high-performance steel reinforced concrete pontoon bridge Download PDFInfo
- Publication number
- CN108385507A CN108385507A CN201810470984.8A CN201810470984A CN108385507A CN 108385507 A CN108385507 A CN 108385507A CN 201810470984 A CN201810470984 A CN 201810470984A CN 108385507 A CN108385507 A CN 108385507A
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- Prior art keywords
- floating body
- elemental floating
- reinforced concrete
- type high
- assembly type
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 66
- 239000010959 steel Substances 0.000 title claims abstract description 66
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 26
- 238000007667 floating Methods 0.000 claims abstract description 56
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 230000003628 erosive effect Effects 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000011083 cement mortar Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000010923 batch production Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of assembly type high-performance steel reinforced concrete pontoon bridge, including bridge floor and pontic, by multiple identical hollow elemental floating bodies, assembly is formed by connecting the pontic on the ground, and bridge floor is arranged on the pontic；The hollow elemental floating body includes cavity and shell, and shell and cavity is arranged in the hollow elemental floating body from outside to inside, and erosion resistant coating is arranged in the hollow elemental floating body outer surface；The cavity four corners are uniformly arranged four harness ducts, and the harness duct can place the reinforcing bar or steel wire bundle for connecting the hollow elemental floating body；Hinge unit is set between the adjacent hollow elemental floating body, and after pontic is finished by reinforcing bar or steel wire bundle tensioning, reinforcing bar or steel wire bundle both ends are fixedly connected with anchorage；Reasonable design of the present invention, safety coefficient is high, and service life is longer, is suitble to promote.
Description
Technical field
The present invention relates to a kind of pontoon bridge, specifically a kind of assembly type high-performance steel reinforced concrete pontoon bridge.
Background technology
Pontoon bridge refers to and replaces bridge pier with ship or buoyancy tank, the bridge kept afloat.Army is using the military floating of standard equipment spelling group
Bridge then claims the bridge of boats.The historical records of pontoon bridge are early with China.《The Book of Songs is elegant big bright》It records：It " goes to the bride's home to escort her back to wedding in Weihe, making boat is
Beam " records week text Wang Jichang in B.C. 1184 in Weihe River frame pontoon bridge.At abroad, the big Supreme Beings of Persian empire Ju Lushi are in Christian era
Pontoon bridge was built in Mesopotamia within first 537 years.Pontoon bridge is mainly used in rivers and lakes, ocean bay etc. for stopping ship
Oceangoing ship, and for ship above and below the mankind.People's row, highway, railway are can also be used for, to emergency disaster relief or as provisional means of transportation.
The coastline total length in China is 3.2 ten thousand kilometers, wherein 1.8 ten thousand kilometers of mainland coastline, island coastline 1.4 ten thousand
Kilometer.We have very long coastline and exclusive marine economic zones, and with China's expanding economy and rapid development, we are in coastal waters
A large amount of strand engineering, including yacht harbor harbour, seadrome harbour, submarine harbour, floating breakwater etc., these codes are built
Head mostly all use reinforced concrete structure pontoon bridge, common pontoon bridge width 2m-5m, length 20m or so, need at the scene into
Row assembling reinforcement template support, concreting, concrete curing, is carried in field, the cumbersome construction such as water surface lifting is in place
Installation procedure.Cost is higher, once damage, maintenance cost are more expensive.Existing pontoon bridge poor reliability simultaneously, work(
Can it is single, existing pontoon bridge connection type very complicated, link cost is higher, but support and it is unstable, as China is built
The risings such as cost, cost of labor, there is an urgent need for faster and better pontoon bridge products in market.
Invention content
The purpose of the present invention is to provide a kind of assembly type high-performance steel reinforced concrete pontoon bridges, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of assembly type high-performance steel reinforced concrete pontoon bridge, including bridge floor and pontic, the pontic is by multiple identical hollow floating
Assembly is formed by connecting body unit on the ground, and bridge floor is arranged on the pontic；The hollow elemental floating body includes cavity and shell,
Shell and cavity is arranged in the hollow elemental floating body from outside to inside, and the hollow elemental floating body outer surface setting thickness is 0.1-
The erosion resistant coating of 0.2mm；The cavity four corners are uniformly arranged four harness ducts, and the harness duct can be placed for connecting
The reinforcing bar or steel wire bundle of the hollow elemental floating body；Hinge unit, pontic are set between the adjacent hollow elemental floating body
After being finished by reinforcing bar or steel wire bundle tensioning, reinforcing bar or steel wire bundle both ends are fixedly connected with anchorage.
As a further solution of the present invention：The pontic width setting and the hollow elemental floating body equivalent width.
As further scheme of the invention：The pontic length be multiple hollow elemental floating bodies length it
Length with, hollow elemental floating body is 1-3.5m.
As further scheme of the invention：The housing sidewall thickness is and end wall thickness is set as 50-
100mm。
As further scheme of the invention：Bellows, the thickness setting of bellows is arranged in the harness duct sidewall
For 0.9-1.1mm.
As further scheme of the invention：Steel pipe is set inside the hinge unit, and the sky is welded in steel pipe one end
Harness duct on flighty and impatient body unit, the steel pipe other end are inserted into the harness duct on another piece of adjacent hollow elemental floating body.
As further scheme of the invention：Harness channel diameter is more than bigger 2-3mm than diameter of steel tube.
As further scheme of the invention：Water pipe ditch is set on the bridge floor, and the water pipe ditch is set as top and opens
The groove structure of mouth；The water pipe ditch can be arranged in the bridge floor centre position, may also be arranged on two side position of the bridge floor.
As further scheme of the invention：Non-slip mat is installed on the bridge floor.
As further scheme of the invention：Anchorage is fixedly connected with reinforcing bar or steel wire bundle, pontic both ends by chock
Anchorage is sealed using cement mortar or other corrosion-resistant fillings.
Compared with prior art, the beneficial effects of the invention are as follows：Speed of application is greatly accelerated, and live formwork is eliminated
The time that plate, concrete curing solidify；The prefabricated construction quality for improving pontoon bridge of batch production, eliminate field fabrication it is artificial,
Lifting expense, batch production batch production, reduces project cost, and patent of the present invention is such as used for floating breakwater, can be quick
Arrange harbour；The setting of the erosion resistant coating can be realized to the protection of the hollow elemental floating body simultaneously, avoid being placed on the water surface
On hollow elemental floating body because long-time impregnate caused by corrode, the setting of the hinge unit can play be fastenedly connected it is adjacent
The effect of hollow elemental floating body ensure that pontic equipped with the stability in the quiet basin in wave trap, reduces simultaneously
The usage quantity of reinforcing bar or steel wire bundle, reduces the production cost, and the setting of the non-slip mat can be realized to walking in bridge floor
On people adequately protected, contingency caused by preventing people from slipping；Reasonable design of the present invention, safety coefficient is high,
And service life is longer, is suitble to promote.
Description of the drawings
Fig. 1 is the structural schematic diagram of assembly type high-performance steel reinforced concrete pontoon bridge.
Fig. 2 is the operating diagram of assembly type high-performance steel reinforced concrete pontoon bridge.
Fig. 3 is that the hollow flighty and impatient body unit of assembly type high-performance steel reinforced concrete pontoon bridge arranges schematic diagram.
Fig. 4 is the structural schematic diagram of the hollow flighty and impatient body unit of assembly type high-performance steel reinforced concrete pontoon bridge.
Fig. 5 is the sectional view of the hollow flighty and impatient body unit of assembly type high-performance steel reinforced concrete pontoon bridge.
Fig. 6 is the hollow flighty and impatient body unit schematic diagram of assembly type high-performance steel reinforced concrete pontoon bridge.
Fig. 7 is the structural schematic diagram in assembly type high-performance steel reinforced concrete pontoon bridge center line beam hole road.
Fig. 8 is the structural schematic diagram of anchorage in assembly type high-performance steel reinforced concrete pontoon bridge.
In figure：The hollow elemental floating bodies of 1-, 2- cavitys, 3- shells, 4- hinge units, 5- erosion resistant coatings, 6- water pipe ditchs, 7- are anti-skidding
Pad, 8- harness duct, the ground 9-, the 10- waters surface, 11- bridge floors, 12- pontics, 13- bellowss, 14- anchorages, 15- chocks.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~8, in the embodiment of the present invention, a kind of assembly type high-performance steel reinforced concrete pontoon bridge, including bridge floor 11
With pontic 12, the pontic 12 is formed by connecting by multiple identical hollow elemental floating body 1 assembly on ground 9, the pontic 12
Upper setting bridge floor 11, the setting of 12 width of the pontic and 1 equivalent width of hollow elemental floating body, 12 length of the pontic is institute
The sum of the length for the multiple hollow elemental floating bodies 1 stated, the length of hollow elemental floating body 1 are set as 1-3.5m；The hollow floating body
Unit 1 includes cavity 2 and shell 3, and shell 3 and cavity 2,3 side wall of the shell is arranged in the hollow elemental floating body 1 from outside to inside
Thickness is and end wall thickness is set as 50-100mm, and 1 outer surface of the hollow elemental floating body setting thickness is 0.1-0.2mm's
The setting of erosion resistant coating 5, the erosion resistant coating 5 can realize the protection to the hollow elemental floating body 1, avoid being placed on the water surface 10
Hollow elemental floating body 1 corrode caused by long-time is impregnated, while the setting of the erosion resistant coating 5 can be played to described hollow
Elemental floating body 1 carries out the effect of bumper and absorbing shock, and the hollow elemental floating body 1 is avoided to be led to the hollow floating body by rigid collision
Unit 1 deforms, and finally influences the service life of the pontic 12；2 four corners of the cavity are uniformly arranged four harness ducts 8, described
Harness duct 8 can place the reinforcing bar or steel wire bundle for connecting the hollow elemental floating body 1,8 side wall of harness duct
Bellows 13 is set, and the thickness of bellows 13 is set as 0.9-1.1mm, and bellows 13 can effectively prevent reinforcing bar or steel strand wires
Beam corrodes, and extends the service life of pontic 12, and the bellows 13 can adequately protect reinforcing bar or steel wire bundle, keep away
Exempt from reinforcing bar or steel wire bundle is worn, can also play the role of etch-proof；It is set between the adjacent hollow elemental floating body 1
Hinge unit 4 is set, steel pipe is arranged in 4 inside of the hinge unit, and the harness hole on the hollow elemental floating body 1 is welded in steel pipe one end
Road 8, the steel pipe other end is inserted into the harness duct 8 on another piece of adjacent hollow elemental floating body 1, and 8 diameter of harness duct is more than
It is bigger 2-3mm than diameter of steel tube；The setting of the hinge unit 4 can be played the role of being fastenedly connected adjacent hollow elemental floating body 1,
Pontic 12 be ensure that equipped with the stability in the quiet basin in wave trap, while reducing making for reinforcing bar or steel wire bundle
With quantity, reduce the production cost；Water pipe ditch 6 is set on the bridge floor 11, and the water pipe ditch 6 is set as the groove of upper opening
Structure；The water pipe ditch 6 can be arranged in 11 centre position of the bridge floor, may also be arranged on 11 liang of side positions of the bridge floor；Institute
Installation non-slip mat 7 on bridge floor 11 is stated, the setting of the non-slip mat 7, which can be realized, carries out fully the people to walk on bridge floor 11
Protection, contingency caused by preventing people from slipping, after pontic 12 is finished by reinforcing bar or steel wire bundle tensioning, reinforcing bar or
Steel wire bundle both ends are fixedly connected with anchorage 14, and anchorage 14 is fixedly connected with reinforcing bar or steel wire bundle, 12 both ends of pontic by chock 15
Anchorage 14 is sealed using cement mortar or other corrosion-resistant fillings；After the tensioning for completing reinforcing bar or steel wire bundle, reinforcing bar or
The retraction of steel wire bundle is limited by the anchorage 14 at both ends, to be applied with larger pressure in the hollow floating body list of two sections of pontoon bridge
Member 1.
The present invention operation principle be：The hollow elemental floating body 1 is after the completion of batch production is prefabricated, with transporting to installing engineering
Point needs to connect into the quantity of the hollow elemental floating body 1 needed for pontic 12 according to actual conditions to determine, then will be multiple hollow
Elemental floating body 1 is arranged and is aligned on ground 9, and preassembling is completed；Then again reinforcing bar or steel wire bundle（Reinforcing bar or steel strand wires
Diameter, radical, design strength need according to different environmental loads by Structure Calculation determination）Across harness duct 8, lashing
After finishing, both ends are strong using hydraulic jack tension reinforcing steel bar or the reinforcing bar of steel strand wires to 0.7-0.8 times or the tension of steel strand wires
Standard value is spent, after tensioning finishes, reinforcing bar or steel wire bundle build-in are lived using Special ground tackle in both ends, will produce stress at this time
Loss should consider when designing calculating；After tensioning finishes, two sections use cement mortar or other corrosion-resistant fillings by anchorage
Sealing；After the tensioning for completing reinforcing bar or steel wire bundle, the retraction of reinforcing bar or steel wire bundle is limited by the anchorage at both ends, to
Larger pressure is applied in the hollow elemental floating body 1 of two sections of pontoon bridge, 1 group of tandem junction of hollow elemental floating body is a pontic at this time
12, according to design, in hoisting process, under gravity load, there is not tensile stress in pontoon bridge section, at this time pontic 12 have compared with
High rigidity, globality, durability；After tensioning finishes, you can it is in place that pontic 12 is lifted on the water surface 10；It just completes at this time
The making and installation of pontic 12, pontic 12 can be used；Reasonable design of the present invention, safety coefficient is high, and service life is longer, fits
It closes and promotes.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (10)
1. a kind of assembly type high-performance steel reinforced concrete pontoon bridge, which is characterized in that including bridge floor（11）And pontic（12）, the bridge
Body（12）By multiple identical hollow elemental floating bodies（1）On ground（9）Upper assembly is formed by connecting, the pontic（12）Upper setting bridge
Face（11）；The hollow elemental floating body（1）Including cavity（2）And shell（3）, the hollow elemental floating body（1）It sets from outside to inside
Set shell（3）And cavity（2）, the hollow elemental floating body（1）The erosion resistant coating that thickness is 0.1-0.2mm is arranged in outer surface（5）；Institute
State cavity（2）Four corners are uniformly arranged four harness ducts（8）, the harness duct（8）It can place for connecting the sky
Flighty and impatient body unit（1）Reinforcing bar or steel wire bundle；The adjacent hollow elemental floating body（1）Between hinge unit is set（4）, bridge
Body（12）After being finished by reinforcing bar or steel wire bundle tensioning, reinforcing bar or steel wire bundle both ends are fixedly connected with anchorage（14）.
2. assembly type high-performance steel reinforced concrete pontoon bridge according to claim 1, which is characterized in that the pontic（12）It is wide
Degree setting and the hollow elemental floating body（1）Equivalent width.
3. assembly type high-performance steel reinforced concrete pontoon bridge according to claim 1, which is characterized in that the pontic（12）It is long
Degree is multiple hollow elemental floating bodies（1）The sum of length, hollow elemental floating body（1）Length be 1-3.5m.
4. assembly type high-performance steel reinforced concrete pontoon bridge according to claim 1, which is characterized in that the shell（3）Side
Wall thickness is and end wall thickness is set as 50-100mm.
5. assembly type high-performance steel reinforced concrete pontoon bridge according to claim 1, which is characterized in that the harness duct
（8）Bellows is arranged in side wall（13）, bellows（13）Thickness be set as 0.9-1.1mm.
6. assembly type high-performance steel reinforced concrete pontoon bridge according to claim 1, which is characterized in that the hinge unit
（4）Inside setting steel pipe, the hollow elemental floating body is welded in steel pipe one end（1）On harness duct（8）, the insertion of the steel pipe other end
Another piece of adjacent hollow elemental floating body（1）On harness duct（8）.
7. assembly type high-performance steel reinforced concrete pontoon bridge according to claim 6, which is characterized in that harness duct（8）Directly
Diameter is more than bigger 2-3mm than diameter of steel tube.
8. assembly type high-performance steel reinforced concrete pontoon bridge according to claim 1, which is characterized in that the bridge floor（11）On
Water pipe ditch is set（6）, the water pipe ditch（6）It is set as the groove structure of upper opening；The water pipe ditch（6）It can be arranged in institute
State bridge floor（11）Centre position may also be arranged on the bridge floor（11）Two side positions.
9. assembly type high-performance steel reinforced concrete pontoon bridge according to claim 1, which is characterized in that the bridge floor（11）On
Non-slip mat is installed（7）.
10. assembly type high-performance steel reinforced concrete pontoon bridge according to claim 1, which is characterized in that anchorage（14）Pass through
Chock（15）It is fixedly connected with reinforcing bar or steel wire bundle, pontic（12）Both ends use cement mortar or other corrosion-resistant fillings by anchorage
（14）Sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470984.8A CN108385507A (en) | 2018-05-17 | 2018-05-17 | A kind of assembly type high-performance steel reinforced concrete pontoon bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470984.8A CN108385507A (en) | 2018-05-17 | 2018-05-17 | A kind of assembly type high-performance steel reinforced concrete pontoon bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108385507A true CN108385507A (en) | 2018-08-10 |
Family
ID=63071062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810470984.8A Pending CN108385507A (en) | 2018-05-17 | 2018-05-17 | A kind of assembly type high-performance steel reinforced concrete pontoon bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108385507A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158444A (en) * | 2019-06-28 | 2019-08-23 | 中国人民解放军陆军军事交通学院镇江校区 | Convenient mount type pontoon bridge |
-
2018
- 2018-05-17 CN CN201810470984.8A patent/CN108385507A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158444A (en) * | 2019-06-28 | 2019-08-23 | 中国人民解放军陆军军事交通学院镇江校区 | Convenient mount type pontoon bridge |
| CN110158444B (en) * | 2019-06-28 | 2024-05-14 | 中国人民解放军陆军军事交通学院镇江校区 | Portable installation type floating bridge |
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Application publication date: 20180810 |