CN101016727A - Structure of bridge deck having polymer porous concrete surface course and construction method therefor - Google Patents
Structure of bridge deck having polymer porous concrete surface course and construction method therefor Download PDFInfo
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- CN101016727A CN101016727A CN 200710078226 CN200710078226A CN101016727A CN 101016727 A CN101016727 A CN 101016727A CN 200710078226 CN200710078226 CN 200710078226 CN 200710078226 A CN200710078226 A CN 200710078226A CN 101016727 A CN101016727 A CN 101016727A
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- Prior art keywords
- polymer
- porous concrete
- polymer porous
- filler
- surface layer
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- 229920000642 polymer Polymers 0.000 title claims abstract description 107
- 239000004567 concrete Substances 0.000 title claims abstract description 99
- 238000010276 construction Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims description 31
- 239000002344 surface layer Substances 0.000 claims description 29
- 239000004568 cement Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 21
- 239000012752 auxiliary agent Substances 0.000 claims description 14
- 230000013011 mating Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 239000011384 asphalt concrete Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000001680 brushing effect Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 239000002671 adjuvant Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 239000004811 fluoropolymer Substances 0.000 claims description 3
- 239000010881 fly ash Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- KNXVOGGZOFOROK-UHFFFAOYSA-N trimagnesium;dioxido(oxo)silane;hydroxy-oxido-oxosilane Chemical compound [Mg+2].[Mg+2].[Mg+2].O[Si]([O-])=O.O[Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O KNXVOGGZOFOROK-UHFFFAOYSA-N 0.000 claims description 3
- 150000005846 sugar alcohols Polymers 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000003712 anti-aging effect Effects 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract description 2
- 239000012790 adhesive layer Substances 0.000 abstract 3
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 238000007747 plating Methods 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 239000011398 Portland cement Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 239000011388 polymer cement concrete Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002986 polymer concrete Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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Abstract
The invention relates to a structure which has a polymer porous concrete face layer on bridge, comprises that plating or adhering the polymer compound formed by polymer material, or polymer and stuff, on a bridge 3 to form an adhesive layer 2, then mixing the polymer, broken stone and stuff, to form polymer porous concrete to be laid on the adhesive layer 2 to form a polymer porous concrete face layer 1. The inventive polymer porous concrete face layer has high strength, large deformation, better anti-crack property, anti-aging property and better corrosion resistance, while the adhesive layer 2 combines the face layer 1 and the bottom steel bridge 3 integrally, to bear force together, resist penetration, water and corrosion or the like.
Description
One, technical field
The present invention relates to pavement engineering and job practices thereof, the especially structure of bridge deck having polymer porous concrete surface layer and job practicess such as deck paving, bridge floor overlay.
Two, background technology
1, deck paving and job practices thereof
Common deck paving comprises that cement concrete mats formation and asphalt concrete pavement two big classes.For the bigger concrete bridge deck of the rigidity of new formation, in order further to strengthen the globality of bridge, the concrete that still adopts the bigger cement concrete of rigidity under many situations or have property, the concrete of property include waterproof concrete, polymer cement concrete, polymer concrete, fibrous concrete etc. and mat formation.Mat formation and the overlay of asphalt concrete pavement is still mated formation as surface layer for cement concrete or bituminous concrete usually for existing cement concrete.
Cement concrete with the cement slurry of inorganic material as adhesive material, bonding rubble and sand.The cement concrete of plastic state has certain fluidity, and closely knit for the inside concrete after guaranteeing to solidify, the general Vibration Technology that adopts is constructed during cast plastic state concrete, and cement paste solidifies the back and forms hard concrete as building stones.The characteristics that it has the convenience of drawing materials, construction is simple, intensity is high, can make arbitrary shape.Yet comprise portland cement concrete for the cement concrete that is applied to deck paving, material has himself unsurmountable weakness: the early solidification amount of contraction is big, the inner initial imperfection that easily produces; It is poor to adapt to deformability, easy to crack, though the partial polymer cement concrete makes moderate progress to above weakness, but the character for material does not have radical change, and rigidity is still bigger, and construction technology mostly adopts and the similar Vibration Technology of portland cement concrete, surface finish is relatively poor, and road-ability is poor.
Bituminous concrete is a cementitious matter with organic thermoplastic pitch, and the bituminous concrete flexibility of formation is bigger, and deformability is strong, adopts the compaction process that paves to mat formation, and surface finish is better, and it is comfortable to drive a vehicle.But the asphalt concrete material poor stability destroys easily with the bonding interface of substructure, causes layer early damage of mating formation.
Because cement concrete (comprising other property concrete) and concrete bridge deck panel material cardinal principle is identical, and water/binder ratio generally is controlled at the liquid plastic state, and both are bonded as one easily, but strong bonded together.The paving structure impermeability of portland cement concrete is relatively poor simultaneously, and bridge construction inside is easily immersed in extraneous corrosion, influences the bridge construction durability, causes immeasurable loss.Existing polymer modified cement-concrete is generally compact structure, and the interpolation of polymer has improved concrete compactness, and is better impervious.
2, the problem of Cun Zaiing
The cement concrete that conventional concrete bridge deck pavement the adopts rigidity of mating formation is bigger, and road-ability is poor, does not establish tack coat usually, peels off easily at the interface or peels off.Common bituminous concrete bridge deck pavement material character instability, the interface bonding is also destroyed easily, and early damage takes place easily.And the polymer cement concrete that part concrete bridge deck pavement layer adopts is that polymer, cement, continuous grading rubble, sand etc. are mixed uniform mixing, form closely knit polymer cement concrete, the easy ponding of bridge floor, noise is big, road-ability is poor, adopt conventional cement concrete construction technology, surface finish is poor.
Three, summary of the invention
The purpose of this invention is to provide a kind of simple in structurely, easy construction by between layer and bridge deck tack coat being set mating formation, and utilizes the polymer porous concrete material, forms a kind of structure and job practices of mating formation at bridge deck having polymer porous concrete.
The technical scheme that purpose of the present invention adopted is its structure: include bridge floor, tack coat is arranged on bridge floor, the polymer porous concrete surface layer is arranged on tack coat.
The present invention, bridge floor is coagulation great soil group bridge floor or the bridge floor that asphalt concrete pavement is arranged.
The present invention; tack coat is a polymer; or the composite material of polymer and filler composition; can with bridge floor under it and the polymer porous concrete surface layer secure bond on it; and has impervious a, waterproof action; prevent that upper water is penetrated into bridge floor, bridge floor and bridge construction are had the better protect effect.
The present invention, the polymer porous concrete surface layer is the polymer porous concrete material, rubble and filler, polymer by gap grading or single grating are formed, and every cubic metre of polymer porous concrete is by weight ratio---polymer: filler: rubble=50 ~ 200: 0 ~ 500: 1200～2200.The polymer porous concrete surface layer has the intensity height, distortion is big, crack resistance is good, the characteristics of water-tolerant, anti-aging, good corrosion resistance.
The present invention, polymer is a fluoropolymer resin, powder or emulsion, can add corresponding thinner in the polymer or water dilutes, can add corresponding adjuvants, polymer and thinner or water, the weight proportion of auxiliary agent is---polymer: thinner or water: auxiliary agent=1: 0～10: 0～2, polymer can be bonded as one filler, make bonding layer material have waterproof, cementation, polymer and filler effect can also be bonded as one rubble in the polymer porous concrete, and make the polymer porous concrete material of formation have waterproof, the intensity height, be out of shape big characteristics.
The present invention, filler is active filler, as cement, flyash etc., perhaps is inert filler, as calcium carbonate, French chalk, quartz sand etc., perhaps is the mixture that different fillers is formed.The adding of filler can improve adhesion strength, convenient construction or reduce cost.
The present invention, its construction method step is as follows: polymer (can be contained thinner or water, auxiliary agent), or polymer (can contain thinner or water, auxiliary agent) be 1: 1 ~ 15 composite materials of forming with filler according to weight ratio, adopt machinery or artificial method uniform mixing, adopt mechanical or artificial method brushing on the surface of the bridge floor that cleaned, form tack coat, then polymer (can be contained thinner or water, auxiliary agent), filler, rubble is 50 ~ 200: 0 ~ 500 according to weight ratio: 1200～2200 adopt cement concrete mixer to stir, form the polymer porous concrete material, polymer porous concrete is transported to the job site, adopt paver or manually polymer porous concrete is paved, leveling, jolt ramming, mating formation forms the polymer porous concrete surface layer after finishing.Do not need road roller to roll jolt ramming when mating formation, one-shot forming, it is simple and convenient to construct.
The present invention adopts polymer porous concrete as bridge deck pavement material, has strengthened the deformability of bridge floor surface layer, and fragility significantly reduces, and the mechanical property of material is excellent more; And between bridge deck pavement and concrete slab, tack coat is set, effectively stop the influence of extraneous corrosion to bridge floor, and the layer of will mating formation is an one with the concrete slab secure bond, form common stressed paving structure, have the intensity height, distortion is big, crack resistance is good, the characteristics of water-tolerant, anti-aging, good corrosion resistance.
The polymer porous concrete that the present invention adopts carries out deck paving, with existing deck paving very big difference is arranged, and is embodied in:
(1) polymer porous concrete of the present invention is different with existing concrete bridge deck pavement material, corresponding therewith, paving structure is also obviously different: the structure of the bridge deck having polymer porous concrete surface layer of the present patent application by polymer porous concrete and with polymer or and the tack coat that forms of the polymer complex liquid plastic state material formed of filler constitute.
(2) construction technology is obviously different.The construction sequence of the structure of the bridge deck having polymer porous concrete surface layer of the present patent application is: the polymer composites that adopts machinery or artificial method uniform mixing to form polymer or polymer and filler, adopt mechanical or artificial method brushing on the surface of the bridge floor that cleaned, form tack coat, then with rubble, filler, polymer adopts cement concrete mixer to stir, form the polymer porous concrete material, polymer porous concrete is transported to the job site, adopt asphalt paver or manually polymer porous concrete is paved, leveling, jolt ramming, mating formation forms the polymer porous concrete surface layer after finishing.Need not after paving to adopt road roller to roll, also do not need the vibrator vibration to make structure closely knit, therefore construction technology of the present invention is simple and convenient, realizes easily, is convenient to promote.
To sum up, the present invention is a kind of new deck installation structure and job practices of being different from existing bridge deck.The layer material of mating formation had both had cement concrete high strength, the high flexibility that has polymer concrete again, the stability that had both had inorganic material has the cementitiousness of organic material again, has the advantage of rigidity paving structure and flexible paving structure simultaneously and respectively goes it short.
The present invention can reduce the bridge deadweight at the thickness that guarantees significantly to reduce under the good deck paving prerequisite surface layer of mating formation, and brings remarkable economical, and formed construction simply, the job practices of deck paving efficiently.
Four, description of drawings
Further specify the present invention in conjunction with the accompanying drawings.
Accompanying drawing is a section structure schematic diagram of the present invention.
---polymer porous concrete surface layer 2---tack coat 3---bridge floor among the figure: 1
Five, the specific embodiment
Below an embodiment:
Its structure is that bridge floor 3, tack coat 2, polymer porous concrete surface layer 1 have tack coat 2 on its bridge floor 3, and polymer porous concrete surface layer 1 is arranged on tack coat 2.Bridge floor 3 is coagulation great soil group bridge floor or the bridge floor that asphalt concrete pavement is arranged.Tack coat 2 is a polymer, or the composite material formed of polymer and filler, can with bridge floor 3 it under with its on polymer porous concrete surface layer 1 secure bond.Polymer porous concrete surface layer 1 is the polymer porous concrete material, rubble and filler, polymer by gap grading or single grating are formed, and every cubic metre of polymer porous concrete is by weight ratio---polymer: filler: rubble=50 ~ 200: 0 ~ 500: 1200～2200.Polymer in tack coat and the polymer porous concrete is fluoropolymer resin, powder or emulsion, can add corresponding thinner and water, can add corresponding adjuvants, the weight proportion of polymer and thinner or water, auxiliary agent is---polymer: thinner or water: auxiliary agent=1: 0～10: 0～2.Filler in tack coat and the polymer porous concrete is active filler, as cement, flyash etc., perhaps is inert filler, as calcium carbonate, French chalk, quartz sand etc., perhaps is the mixture that different fillers is formed.
The specific embodiment of the present invention is: with polymer VAE emulsion (moisture 0.1, auxiliary agent defoamer 0.01), Portland cement PO 42.5, its part by weight is 1: 2, adopt the mortar mixer uniform mixing, form polymer water mud, adopt artificial method brushing on the surface of the bridge floor 3 that cleaned, form tack coat 2, be the broken pebble of 5-10mm then with grating, Portland cement PO42.5, polymer benzene emulsion (moisture 0.1, auxiliary agent defoamer 0.01) it is 1650: 340: 120 according to weight ratio, the employing cement concrete mixer stirs, form the polymer porous concrete material, polymer porous concrete is transported to the job site with tipping truck, adopt asphalt paver that polymer porous concrete is paved, leveling, from jolt ramming, mating formation forms polymer porous concrete surface layer 1 after finishing.
Claims (7)
1, a kind of structure of bridge deck having polymer porous concrete surface layer includes bridge floor (3), it is characterized in that: tack coat (2) is arranged on the bridge floor (3), polymer porous concrete surface layer (1) is arranged on tack coat (2).
2, the structure of bridge deck having polymer porous concrete surface layer according to claim 1 is characterized in that: bridge floor (3) is coagulation great soil group bridge floor or the bridge floor that asphalt concrete pavement is arranged.
3, the bridge deck having polymer porous concrete according to claim 1 structure of mating formation, it is characterized in that: tack coat (2) is the composite materials of 1: 0 ~ 15 compositions with filler according to weight ratio for polymer or polymer, can with bridge floor (3) under it and polymer porous concrete surface layer (1) secure bond on it.
4, the structure of bridge deck having polymer porous concrete surface layer according to claim 1, it is characterized in that: polymer porous concrete surface layer (1) is the polymer porous concrete material, rubble and filler, polymer by gap grading or single grating are formed, and every cubic metre of polymer porous concrete is by weight ratio---polymer: filler: rubble=50 ~ 200: 0 ~ 500: 1200～2200.
5, according to the structure of claim 3,4 described bridge deck having polymer porous concrete surface layers, it is characterized in that: polymer is fluoropolymer resin, polymer powder or polymer emulsion, can add corresponding thinner in the polymer or water dilutes, can add corresponding adjuvants, the weight proportion of polymer and thinner or water, auxiliary agent is---polymer: thinner or water: auxiliary agent=1: 0～10: 0～2.
6, according to the structure of claim 3,4 described bridge deck having polymer porous concrete surface layers, it is characterized in that: filler is active filler, as cement, flyash etc., perhaps is inert filler, as calcium carbonate, French chalk, quartz sand etc., perhaps be the mixture that different fillers is formed.
7, a kind of construction method of bridge deck having polymer porous concrete surface layer, it is characterized in that step is as follows: polymer (can be contained thinner or water, auxiliary agent), or polymer (can contain thinner or water, auxiliary agent) be 1: 0 ~ 15 composite materials of forming with filler according to weight ratio, adopt machinery or artificial method uniform mixing, adopt mechanical or artificial method brushing on the surface of the bridge floor that cleaned (3), form tack coat (2), then polymer (can be contained thinner or water, auxiliary agent), filler, rubble is 50 ~ 200: 0 ~ 500 according to weight ratio: 1200～2200 adopt cement concrete mixer to stir, form the polymer porous concrete material, polymer porous concrete is transported to the job site, adopt paver or manually the polyalcohol stephanoporate cement concrete is paved, leveling, jolt ramming, mating formation forms polymer porous concrete surface layer (1) after finishing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100782263A CN100552141C (en) | 2007-02-14 | 2007-02-14 | The structure of bridge deck having polymer porous concrete surface layer and job practices |
| PCT/CN2008/000272 WO2008098475A1 (en) | 2007-02-14 | 2008-02-02 | Porous cement concrete pavement and method for construction thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100782263A CN100552141C (en) | 2007-02-14 | 2007-02-14 | The structure of bridge deck having polymer porous concrete surface layer and job practices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101016727A true CN101016727A (en) | 2007-08-15 |
| CN100552141C CN100552141C (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100782263A Expired - Fee Related CN100552141C (en) | 2007-02-14 | 2007-02-14 | The structure of bridge deck having polymer porous concrete surface layer and job practices |
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| Country | Link |
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| CN (1) | CN100552141C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643058A (en) * | 2012-04-19 | 2012-08-22 | 招商局重庆交通科研设计院有限公司 | New/old cement concrete interfacial binding agent and construction method for interfacial binding by using same |
| CN110804947A (en) * | 2019-11-12 | 2020-02-18 | 哈尔滨工业大学 | Assembled prefabricated polymer composite deck pavement slab and preparation method thereof |
| CN113463448A (en) * | 2020-03-31 | 2021-10-01 | 比亚迪股份有限公司 | Track beam and construction method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339289A (en) * | 1980-08-25 | 1982-07-13 | Battelle Development Corporation | Concrete overlay construction |
-
2007
- 2007-02-14 CN CNB2007100782263A patent/CN100552141C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643058A (en) * | 2012-04-19 | 2012-08-22 | 招商局重庆交通科研设计院有限公司 | New/old cement concrete interfacial binding agent and construction method for interfacial binding by using same |
| CN110804947A (en) * | 2019-11-12 | 2020-02-18 | 哈尔滨工业大学 | Assembled prefabricated polymer composite deck pavement slab and preparation method thereof |
| CN110804947B (en) * | 2019-11-12 | 2021-07-02 | 哈尔滨工业大学 | Assembled prefabricated polymer composite deck pavement slab and preparation method thereof |
| CN113463448A (en) * | 2020-03-31 | 2021-10-01 | 比亚迪股份有限公司 | Track beam and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100552141C (en) | 2009-10-21 |
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