CN109098084A - A kind of Steel Bridge Deck Pavement and preparation method thereof - Google Patents
A kind of Steel Bridge Deck Pavement and preparation method thereof Download PDFInfo
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- CN109098084A CN109098084A CN201811023364.6A CN201811023364A CN109098084A CN 109098084 A CN109098084 A CN 109098084A CN 201811023364 A CN201811023364 A CN 201811023364A CN 109098084 A CN109098084 A CN 109098084A
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- 238000002156 mixing Methods 0.000 claims abstract description 11
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- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical group CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 description 1
- 241000581613 Alchemilla arvensis Species 0.000 description 1
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- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention belongs to road pavement layer technical fields, disclose a kind of Steel Bridge Deck Pavement and preparation method thereof, the Steel Bridge Deck Pavement includes adhesive layer, composite layer and antiskid wearing layer, and the thickness ratio of the adhesive layer, the composite layer and the antiskid wearing layer is 0.4:(10~100): (3~5).Antiskid wearing layer of the present invention is by lotion and mixing cured form of gathering materials, the aggregate fractions are in lotion, partial denudation is on lotion surface, after its solidification, exposed gathers materials to form rough surface, increases the friction with vehicle tyre contact surface, improves the antiskid performance of pave-load layer, the lower defect of antiskid performance for making up the composite layer, improves the safety of driving；In addition, contact surface is larger between the aggregate particle of fine grain, attachment force is stronger, and intensity is high, and the active force for resisting abrasion is strong, extends the service life of pave-load layer.
Description
Technical field
The invention belongs to road pavement layer technical fields, and in particular to a kind of Steel Bridge Deck Pavement and preparation method thereof.
Background technique
Steel box girder bridge has many advantages, such as from heavy and light, erection is convenient, span ability is big, in municipal works and across Jiang Yuehai etc.
It is widely adopted in long span structure.Deck paving be coated at one layer of steel box girder bridge surface have protection bridge structure,
The material structure for being distributed wheel load, meeting driving function.Since the morphotropism of steel construction is big, deck paving is generally adopted
With the bituminous concrete of good toughness, but (such as: elasticity modulus, thermal conductivity and heat are swollen for the performance of steel plate and two kinds of materials of bituminous concrete
It is swollen etc.) difference is big, and in environment temperature and larger driving load change, paving structure is easily deformed, and is generated track, is slid, gathers around
The diseases such as packet, cracking, pit slot, need to repair, and cause to have inconvenient traffic and economic loss.Therefore, steel deck paving package material is durable
Property problem be large bridge build key technology and global problem.Currently, there are mainly three types of forms for Steel Bridge Deck Pavement: double
Layer SMA bituminous concrete, pouring asphalt concrete, epoxy asphalt concrete.Wherein, the double-deck SMA bituminous concrete is in summer
It is poor with the adhesive property of steel plate under hot environment, easily there is passage, gather around the diseases such as packet, at present less use；Tradition pours
Although formula bituminous concrete has the advantages that and steel plate following is good, adhesion strength is high, anti-fatigue performance is good, its high-temperature stable
Performance (especially summer high temperature, vehicle heavy duty service condition under) there are still certain deficiencies；Epoxy asphalt concrete and steel
Plate adhesion strength is high, high-temperature stability is good, is a kind of steel deck paving package material haveing excellent performance, however, due to its construction technology
Complicated difficult control, it is at high cost, it is not extensive in the application of common steel box girder bridge face.
For this purpose, Chinese patent literature CN206887755U discloses a plant stone steel box girder bridge floor paving structure comprising
Steel bridge deck layer, the steel bridge deck layer top is successively equipped with from bottom to top plants the stone material bed of material and composite layer；The plant
The stone material bed of material is epoxy bonds breakstone water-proof layer, and composite layer is polyvinyl alcohol fiber reinforced cement based composites layer.So
And since the surface of polyvinyl alcohol fiber reinforced cement based composites layer is more smooth, antiskid performance is insufficient, if it is directly and vehicle
Load Long Term Contact is taken turns, great security risk can be brought to the safety traffic of vehicle.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that existing Steel Bridge Deck Pavement antiskid performance deficiency meeting in overcoming
The problem of bringing security risk to the vehicle for travelling on its surface, to provide, a kind of antiskid performance is high, durability is good and meets
Pavement of road uses the Steel Bridge Deck Pavement of technical standard；Meanwhile the present invention also provides the preparation methods of the pave-load layer.
In order to solve the above technical problems, the present invention provides a kind of Steel Bridge Deck Pavements, comprising:
The adhesive layer on steel bridge deck surface is set；
And the composite layer of the adhesive layer upper surface is set, the composite layer is vinal increasing
Strong cement-base composite material layer；
It further include the antiskid wearing layer that the composite layer upper surface is set, the adhesive layer, the composite material
The thickness ratio of layer and the antiskid wearing layer is 0.4:(10~100): (3~5).
Further, the antiskid wearing layer by lotion and gather materials it is mixing cured form, the additional amount gathered materials by weight
Meter accounts for the 20~50% of the antiskid wearing layer.
Further, the antiskid wearing layer includes first thickness layer, second thickness layer and third thick layer, and described first
The lotion dosage of thick layer is 1.0~1.2kg/m2, dosage of gathering materials is 5~6kg/m2；The lotion dosage of the second thickness layer is
0.8~1.0kg/m2, dosage of gathering materials is 4~5kg/m2；The lotion dosage of the third thick layer is 0.4~0.5kg/m2。
Further, the partial size to gather materials is 2~5mm；Preferably, the partial size to gather materials is 3~5mm；More preferably
Ground, it is described to gather materials for the basaltic broken stone of single particle size.
Further, the composite layer, according to parts by weight, raw material include following component:
100 parts of cement；200~280 parts of flyash；120~200 parts of slag；150~160 parts of river sand；Vinal
10~12 parts；140~160 parts of water；1.0~1.5 parts of water-reducing agent, 40~50 parts of viscosity modifier.
Further, the composite layer, according to parts by weight, raw material include following component:
100 parts of cement；240 parts of flyash；160 parts of slag；155 parts of river sand；12 parts of vinal；150 parts of water；Subtract
1.2 parts of aqua, 44 parts of viscosity modifier.
Further, the adhesive layer is epoxy resin layer, and according to parts by weight, raw material includes following component:
5~10 parts of bisphenol A epoxide resin；10~20 parts of polyurethane；5~10 parts of polycarbonate；0.5~1.5 part of promotor；
0.5~1.5 part of water-reducing agent；0.6~0.8 part of defoaming agent；0.6~1.2 part of coupling agent；3~10 parts of curing agent.
The present invention also provides a kind of preparation methods of above-mentioned Steel Bridge Deck Pavement, include the following steps:
(1) feed components of the adhesive layer are uniformly mixed, are laid on the surface of the steel bridge deck, form sizing material
Surface；
(2) feed components of the composite layer are uniformly mixed, are paved on above-mentioned sizing material surface,；
(3) with 1.0~1.2kg/m2Dosage spray the lotion in the composite material layer surface, and with 5~6kg/m2
Dosage be laid with described in gather materials, formed first thickness layer；Grinding compacting to the first thickness layer it is smooth after, with 0.8~
1.0kg/m2Dosage spray the lotion, and with 4~5kg/m2Dosage be laid with described in gather materials, formed second thickness layer；It rolls
After the second thickness layer is smooth, with 0.4~0.5kg/m2Dosage spray the lotion, form third thick layer,
Health, until the emulsion breaking.
Further, the uniformly mixed step of the feed components of the composite layer are as follows: be dissolved in the water-reducing agent
The aqueous solution of water-reducing agent is formed in the water, for use；The cement, flyash, slag, river sand and viscosity modifier are mixed and stirred
2~3min is mixed, the aqueous solution of the water-reducing agent is added, stirs 2~3min, obtains and flows uniform slurries；Into above-mentioned slurries
The vinal is added, stirs 6~8min.
It further, further include to the steel bridge deck before the surface of the steel bridge deck is laid with the adhesive layer
Surface carries out the step of clean processing.
Technical solution of the present invention has the advantages that
1. Steel Bridge Deck Pavement provided by the invention, including adhesive layer, composite layer and antiskid wearing layer, the antiskid
Wearing layer by lotion and gather materials it is mixing cured form, the aggregate fractions are in the lotion, and partial denudation is on lotion surface, to it
After solidification, exposed rubble forms rough surface, increases the friction with vehicle tyre contact surface, improves the antiskid of pave-load layer
Performance makes up the lower defect of antiskid performance of the composite layer, improves the safety of driving；In addition, fine grain
Contact surface is larger between aggregate particle, and attachment force is stronger, and intensity is high, and the active force for resisting abrasion is strong, extends the use of pave-load layer
Service life.
2. Steel Bridge Deck Pavement provided by the invention, the lotion and basalt aggregate, cement concrete etc. have extremely strong
Adhesion, avoid the antiskid wearing layer and the composite layer from being detached from, cause the structural broken of the composite layer
It is bad；Using lotion as unique cementitious matter, avoid additionally applying between the antiskid wearing layer and the composite layer
Other bonding sizing materials and lead to different construction technologies etc., improve construction efficiency, avoid and led since material category increases
All kinds of uncertain factors caused, reduce construction cost；The antiskid wearing layer is obtained in such a way that multilayer is sprayed, is guaranteed each
There is good caking property between layer, meanwhile, positioned at the emulsion layer on surface solidify after improve the planarization of antiskid wearing layer, subtract
The impact for having lacked vehicle improves the anti-cracking performance of pave-load layer, may also reach up the purpose of water shutoff.
3. Steel Bridge Deck Pavement provided by the invention, the composite layer is that polyvinyl alcohol fiber reinforced cement base is compound
Material layer, fibre-reinforced concrete can also increase fatigue and cyclic time other than it can promote tensile strength or bending tensile strength
Number improves toughness and fracture toughness, extends tired service life；Using a large amount of in the raw material of the composite layer
Flyash reduces the chemical adhesion of vinal and concrete substrates, in loading process between fiber and matrix
It is more prone to produce sliding, further improves the deformability of composite layer；Utilize the shape effect and micro-aggregate of flyash
Water-cement ratio greatly reduces in effect, improves the working performance of composite material；Utilize the active effect of flyash, flyash
In active constituent can be with the Ca (OH) in cement in the aquation later period2Carry out secondary reaction of hydration, play further fill it is close
In fact, the effect of improving composite layer later strength；In addition, flyash is the waste of power plant's production, great quantities of powdered coal ash
Not only there is considerable economic benefit, but also also help protection ring border.It also added one in the raw material of the composite layer
The slag of certainty ratio constitutes ternary gelling system together with flyash, cement, enhances the volume stability of composite material,
Further improve the intensity and ductility of steel bridge pave-load layer.
4. Steel Bridge Deck Pavement provided by the invention, the adhesive layer is epoxy resin layer, is not reducing elevated temperature cohesiveness
Under the premise of energy index, by specific material composition and proportion, the flexibility and crack resistance at low-temperature of epoxy resin are improved,
So that it is more adapted to the big flexibility of steel construction, the characteristic of large deformation, improves the durability of Steel Bridge Deck Pavement；Phase between material composition
Mutually cooperation not only makes pave-load layer and steel plate close adhesion become an entirety, cooperative bearing, moreover, also having good waterproof
Performance guarantees that pave-load layer still retention property under the action of load and water does not decay or decay amplitude very little.
5. the preparation method of Steel Bridge Deck Pavement provided by the invention sprays first layer by the way of multilayer sprinkling
Adhesive layer of the lotion as antiskid wearing layer, and other thick layers of antiskid wearing layer be all made of it is identical with first thickness layer
Lotion avoids the difference of adhesive layer cementitious matter and the cementitious matter that gathers materials and leads to construction technology, construction machinery etc. as cementitious matter
Difference improves construction efficiency, avoids all kinds of uncertain factors caused by increasing due to material category, reduces and be constructed into
This；By the way of multilayer sprinkling, it ensure that there is good caking property between each layer, meanwhile, the emulsion layer positioned at surface is solid
The planarization that antiskid wearing layer is improved after change reduces the impact of vehicle, improves the anti-cracking performance of pave-load layer, can be with
Achieve the purpose that water shutoff.
6. the preparation method of Steel Bridge Deck Pavement provided by the invention, first by graininess original when preparing the composite layer
Material, which is mixed evenly, adds the water containing water-reducing agent, forms the slurries of Uniform Flow, is eventually adding vinal, guarantees
The integrality of fiber, avoids being destroyed in whipping process, improves the intensity of mixture, using the method for substep mixing,
Make being uniformly mixed for feed components, keeps the performance of mixture more uniform controllable.
7. the preparation method of Steel Bridge Deck Pavement provided by the invention, right using composite layer as the main body of pave-load layer
Temperature sensitivity is lower, does not have rigors to temperature, convenient for the arrangement of construction time；The stirring of mixture only needs common water
Cement concrete mixer can be completed, and convenient and quick construction is at low cost, and construction quality is more controllable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of 1 Steel Bridge Deck Pavement of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of 1 antiskid wearing layer of the embodiment of the present invention.
Description of symbols:
1- steel bridge deck；2- adhesive layer；3- composite layer；4- antiskid wearing layer；41- first thickness layer；42- second is thick
Spend layer；43- third thick layer.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.In addition, below
Technical characteristic involved in described different embodiments of the present invention as long as they do not conflict with each other can be mutual
In conjunction with.
In following embodiment, the cement is II 42.5R portland cement of P, the master as the composite layer
Height source eager to excel in whatever one does；The flyash is I grade of flyash that thermal power plant generates；The slag is the industry being discharged in pig iron smelting
Waste material is ground to be obtained；The river sand is common river sand, and particle size range is 0.15~1.18mm, and fineness modulus 1.0 uses
WATER-WASHING METHOD is handled, and makes its clay content close to 0；Ultimate tensile strength >=1300MPa of the vinal, springform
> 35GPa is measured, ultimate elongation is 8~10%, and equivalent diameter is 30~40 μm, length 12mm, density 1.3g/cm3；Institute
It states viscosity modifier to be made of agstone and thickener, wherein thickener accounts for the viscosity modifier by weight
0.4%, it is provided by Jiangsu Subotexin Material Co., Ltd, the agstone, average grain diameter is 20 μm；It is described to subtract
Aqua is polycarboxylate water-reducer, and water-reducing rate > 40% is provided by iron Aurion spy's new material limited liability company in Jiangsu；The water
For drinking water.
In following embodiment, the bisphenol A epoxide resin is by Baling Petrochemical Co., Ltd., SINOPEC
It provides；Polyurethane AH-1402 is provided by Anhui Anda-Huatai New Material Co., Ltd.；Polycarbonate is by Jiangsu Wisoft Softuare Co., Ltd's gold dragon environmental protection
New material Co., Ltd provides；Promotor is DMP-30 epoxy resin promotor, is provided by Shandong Jia Ying Chemical Co., Ltd.；Subtract
Aqua isM1 series high water reduction polycarboxylate water-reducer is provided by iron Aurion spy's new material limited liability company in Jiangsu；
Defoaming agent is PXP-III concrete defoaming agent, is provided by Jiangsu Subotexin Material Co., Ltd；Coupling agent is that silane is even
Join agent KH-550, is provided by Nanjing Chuan Shi auxiliary chemicals Co., Ltd；Curing agent is ZY-F50 modified amine curing agent, by Xuzhou
Scientific and technological Industrial Co., Ltd is ground to provide.
Gathering materials for preparation antiskid wearing layer selects partial size for 2~5mm, and preferable particle size is the single particle size basalt of 3~5mm
Rubble, basaltic broken stone answer hard, cleaning, without weathering particle, drying, rough surface, prepare the lotion of antiskid wearing layer by
Nanjing Road Keeper Technology Co., Ltd.'s production.
Embodiment 1
The present embodiment 1 provides a kind of Steel Bridge Deck Pavement, and structure is as shown in Figure 1, above Steel Bridge Deck 1 from bottom to top
Successively it is equipped with adhesive layer 2, composite layer 3 and antiskid wearing layer 4.To guarantee good pave-load layer performance, the thickness of adhesive layer 2
Degree is 0.4mm, and for the thickness of composite layer 3 between 1~10cm, the specific thickness of composite layer 3 can be according to steel deck paving
Layer thickness requirement is filled to determine, the thickness of antiskid wearing layer 4 is between 2~5mm, and the specific thickness of antiskid wearing layer 4 is by selected
The simple grain diameter that gathers materials determines, when select simple grain diameter be 3~5mm gather materials carry out single layer and dispense construction when, antiskid wearing layer
With a thickness of 5mm, and when select simple grain diameter be 2~3mm gather materials carry out single layer dispense construction when, the thickness of antiskid wearing layer is reduced to
3mm。
In the present embodiment, as shown in Fig. 2, antiskid wearing layer 4 includes that first thickness layer 41, second thickness layer 42 and third are thick
Spend layer 43, wherein the lotion dosage of first thickness layer 41 is 1.0~1.2kg/m2, dosage of gathering materials is 5~6kg/m2；Described second
The lotion dosage of thick layer 42 is 0.8~1.0kg/m2, dosage of gathering materials is 4~5kg/m2；The lotion of the third thick layer 43 is used
Amount is 0.4~0.5kg/m2。
Embodiment 2
Present embodiments provide a kind of Steel Bridge Deck Pavement, the thickness of structure and each layer is same as Example 1, composition
Raw material specifically:
Adhesive layer, according to parts by weight, raw material include following component:
10 parts of bisphenol A epoxide resin；10 parts of polyurethane；8 parts of polycarbonate；1.2 parts of promotor；1 part of water-reducing agent；Defoaming agent
0.8 part；0.8 part of coupling agent；5 parts of curing agent.
Composite layer, according to parts by weight, raw material include following component:
100 parts of cement；240 parts of flyash；160 parts of slag；155 parts of river sand；12 parts of vinal；150 parts of water；Subtract
1.2 parts of aqua, 44 parts of viscosity modifier.
Antiskid wearing layer, the basaltic broken stone for being 3~5mm by lotion and single particle size is mixing cured to be formed, wherein the Black Warrior
The addition quality of rock accounts for the 35% of antiskid wearing layer.
The method for preparing Steel Bridge Deck Pavement using above-mentioned raw materials, specifically:
(1) steel bridge deck is pre-processed
Steel bridge deck is cleaned, then derusting by sandblasting processing is carried out to Steel Bridge Deck, steel plate cleaning, dry, nothing are ensured before sandblasting
Pollution etc..Waste after clearing up derusting by sandblasting, and the surface of steel plate after sandblasting ball blast is blown off using hot-air blower, it is ensured that
Surface of steel plate cleaning makes its cleannes reach Sa2.5 as defined in ISO8501 grades, roughness reaches 60~150 μm, spray without dirt
The corner part that sand machine can not be handled carries out supplement process with portable sander.
(2) making adhesive layer
The feed components of the adhesive layer are mixed, after mixing evenly with 0.4L/m2Dosage uniformly brush in steel bridge
Panel surface forms compound layer；
Solidify health, until adhesive layer is transformed into plastic body state by liquid condition.
(3) making composite layer
The water-reducing agent is dissolved in the aqueous solution that water-reducing agent is formed in the water, for use；By the cement, flyash, mine
Slag, river sand and viscosity modifier are added in hopper, stir 2~3min with mixing machine is dry, until being uniformly mixed between each grain fraction；It is added
The aqueous solution of the water-reducing agent stirs 2~3min, obtains and flows uniform slurries；The polyethylene is added into above-mentioned slurries
Alcohol fiber stirs 6~8min, to ensure that vinal is dispersed in slurries, obtains the mixed of the composite layer
Close material；
The slow making of above-mentioned mixture will be answered in the sizing material layer surface of adhesive layer using plate is bulldozed manually according to a conventional method
Condensation material layer paves uniformly, pays attention to trying not during paving and leveling making to be bulldozed plate and gos deep into bottom, avoids causing adhesive layer
Disturbance；After the completion of artificial leveling, jolt ramming is carried out using oscillating plate, it is ensured that the compactness of adhesive layer；After material layer initial set to be composite,
Before final set, receipts light is carried out to surface, it is ensured that paving thickness and surface smoothness；After receiving light, covered with plastic film compound
Material surface carries out health.During health, people, animal, vehicle pass-through are avoided, reach the design (design of bending tensile strength 40%
Bending tensile strength >=10MPa) after, pedestrian can pass.
(4) making antiskid wearing layer
Before making antiskid wearing layer, testing operation is first carried out, and each parameter of constructing is adjusted according to effect (including envelope
Layer equipment asphalt distribution, the amendment etc. of crushed stone spreading vehicle crushed stone spreading amount), until achieving the desired results, then carry out continuously it is long away from
From construction according to circumstances make corresponding response at any time in the construction process, with ensure work progress by design requirement into
Row.
When the intensity of measurement composite layer is greater than design bending tensile strength 80% (design bending tensile strength >=10MPa)
When, stop health, removes the plastic film of composite material layer surface；
In composite material layer surface making lotion and basalt aggregate, for the spread for accurately and efficiently controlling lotion and gathering materials
Amount, lotion carry out spread using distribution vehicle, and rubble is dispensed using pellet truck spreader, and speed is 3~4.5km/h, optimized vehicle
Speed is 3.6km/h.It is rolled 2~3 times with 26T pneumatic-tired rollers follow-up rolling operation immediately after the completion of dispensing, is rolled initial velocity
No more than 2km/h, can suitably increase later.For the caking property for improving storeroom, three thickness of lotion and basaltic making point
Layer carries out, and the lotion dosage of first thickness layer is 1.0~1.2kg/m2, the dosage of basalt aggregate is 5~6kg/m2；It rolls close
It is real to the first thickness layer it is smooth after, be laid with the lotion and basalt aggregate of first thickness layer, the lotion of second thickness layer is used
Amount is 0.8~1.0kg/m2, the dosage of basalt aggregate is 4~5kg/m2；Grinding compacting to the second thickness layer it is smooth after,
It is laid with the lotion of third thick layer, the dosage of lotion is 0.4~0.5kg/m2.It, can be complete after emulsion breaking after construction
Face open to traffic.
Embodiment 3
Present embodiments provide a kind of Steel Bridge Deck Pavement, the thickness of structure and each layer is same as Example 1, composition
Raw material specifically:
Adhesive layer, according to parts by weight, raw material include following component:
8 parts of bisphenol A epoxide resin；12 parts of polyurethane；Polycarbonate 5；0.5 part of promotor；0.5 part of water-reducing agent；Defoaming agent
0.6 part；0.6 part of coupling agent；3 parts of curing agent.
Composite layer, according to parts by weight, raw material include following component:
100 parts of cement；280 parts of flyash；120 parts of slag；150 parts of river sand；10 parts of vinal；160 parts of water；Subtract
1.0 parts of aqua, 50 parts of viscosity modifier.
Antiskid wearing layer, the basaltic broken stone for being 3~5mm by lotion and single particle size is mixing cured to be formed, wherein the Black Warrior
The addition quality of rock accounts for the 50% of antiskid wearing layer.
Using the method for above-mentioned raw materials preparation Steel Bridge Deck Pavement with embodiment 2.
Embodiment 4
Present embodiments provide a kind of Steel Bridge Deck Pavement, the thickness of structure and each layer is same as Example 1, composition
Raw material specifically:
Adhesive layer, according to parts by weight, raw material include following component:
5 parts of bisphenol A epoxide resin；20 parts of polyurethane；10 parts of polycarbonate；1.5 parts of promotor；1.5 parts of water-reducing agent；Defoaming
0.8 part of agent；1.2 parts of coupling agent；10 parts of curing agent.
Composite layer, according to parts by weight, raw material include following component:
100 parts of cement；200 parts of flyash；200 parts of slag；160 parts of river sand；12 parts of vinal；140 parts of water；Subtract
1.5 parts of aqua, 40 parts of viscosity modifier.
Antiskid wearing layer, the basaltic broken stone for being 2~3mm by lotion and single particle size is mixing cured to be formed, wherein the Black Warrior
The addition quality of rock accounts for the 20% of antiskid wearing layer.
Comparative example 1
This comparative example provides a kind of Steel Bridge Deck Pavement, and the thickness of structure and each layer is same as Example 1, composition
Raw material difference from Example 2 is composite layer, in this comparative example, composite layer, according to parts by weight, raw material
Including following component:
600 parts of cement；120 parts of flyash；480 parts of slag；348 parts of river sand；15.6 parts of vinal；360 parts of water；
6.2 parts of water-reducing agent, 88.36 parts of viscosity modifier.
Using the method for above-mentioned raw materials preparation Steel Bridge Deck Pavement with embodiment 2.
1 adhesive layer performance measurement of experimental example
To keep the pave-load layer of Steel Bridge Deck with good performance, the adhesive layer of Steel Bridge Deck is in 40 ° of oblique scissor tests and directly drawing
Pulling out in test must satisfy following intensity requirement, be specifically shown in Tables 1 and 2.
1 40 ° of table oblique scissor test index requests
| Test temperature | 0℃ | 25℃ | 60℃ |
| Shearing strength requirement | ≥10MPa | ≥4.0MPa | ≥1.0MPa |
The requirement of 2 direct drawing test index of table
| Test temperature | 23℃ | 60℃ |
| Pull strength requirement | ≥5.0MPa | ≥2.0MPa |
40 ° of oblique scissor tests are carried out to the adhesive layer of embodiment 2-4 respectively and direct drawing is tested, meet finger as the result is shown
Mark requires.
2 composite layer performance measurement of experimental example
Heretofore described composite layer be polyvinyl alcohol fiber reinforced cement based composites layer, use cement,
The ternary gelling system that flyash, slag are constituted is stablized as cementitious matter, property, and temperature sensitivity is lower, and high-temperature stability is good.
Therefore, the present invention mainly investigates the cracking resistance and anti-fatigue performance of composite layer.
Cracking resistance is carried out using 3 girder bend tests, it is contemplated that the cracking resistance of the composite layer is by temperature
Influence is smaller, and therefore, test can arbitrarily carry out between 0~40 DEG C.Loading speed uses 50mm/min, records girder institute energy
The peak load of receiving and corresponding destruction displacement, and bending tensile strength, limit flexural-tensile strain are calculated, it is close with strain energy
Degree, it is necessary to meet following table requirement.
3 three girder bend test index requests of table
| Test index | Performance requirement |
| Bending tensile strength | ≥10.0MPa |
| Limit flexural-tensile strain | ≥10000με |
| Strain energy density | ≥70kJ/m3 |
Anti-fatigue performance is measured using radius bend fatigue test, it is necessary to be met in following table under the conditions of four different stress ratios
Fatigue life requirements.
4 radius bend fatigue test index request of table
| Stress ratio | Fatigue life (load cycle-index) |
| 0.5 | > 20000 |
| 0.6 | > 5000 |
| 0.7 | > 1800 |
| 0.8 | > 500 |
Cracking resistance and anti-fatigue performance test are carried out respectively to the composite layer in embodiment 2-4 and comparative example 1,
The results show that the composite layer of 2-4 of the embodiment of the present invention meets index request, and the composite layer of comparative example 1 resist it is tired
Labor performance does not meet index request.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments, and it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of Steel Bridge Deck Pavement, comprising:
Adhesive layer (2) on steel bridge deck (1) surface is set；
And setting, in the composite layer (3) of the adhesive layer (2) upper surface, the composite layer (3) is polyvinyl alcohol
Fiber reinforced cement-based composite material layer；
It is characterized in that,
It further include antiskid wearing layer (4) of the setting in the composite layer (3) upper surface, it is the adhesive layer (2), described compound
The thickness ratio of material layer (3) and the antiskid wearing layer (4) is 0.4:(10~100): (3~5).
2. Steel Bridge Deck Pavement according to claim 1, which is characterized in that the antiskid wearing layer (4) is by lotion sum aggregate
Expect it is mixing cured form, the additional amount gathered materials accounts for the 20~50% of the antiskid wearing layer (4) by weight.
3. Steel Bridge Deck Pavement according to claim 1 or 2, which is characterized in that the antiskid wearing layer (4) includes first
Thick layer (41), second thickness layer (42) and third thick layer (43), the lotion dosage of the first thickness layer (41) is 1.0~
1.2kg/m2, dosage of gathering materials is 5~6kg/m2；The lotion dosage of the second thickness layer (42) is 0.8~1.0kg/m2, gather materials
Dosage is 4~5kg/m2；The lotion dosage of the third thick layer (43) is 0.4~0.5kg/m2。
4. Steel Bridge Deck Pavement according to claim 2 or 3, which is characterized in that the partial size to gather materials is 2~5mm；It is excellent
Selection of land, the partial size to gather materials are 3~5mm；It is highly preferred that described gather materials for the basaltic broken stone of single particle size.
5. Steel Bridge Deck Pavement according to claim 1-4, which is characterized in that the composite layer (3) is pressed
Parts by weight meter, raw material include following component:
100 parts of cement；200~280 parts of flyash；120~200 parts of slag；150~160 parts of river sand；Vinal 10~
12 parts；140~160 parts of water；1.0~1.5 parts of water-reducing agent, 40~50 parts of viscosity modifier.
6. Steel Bridge Deck Pavement according to claim 1-5, which is characterized in that the composite layer (3) is pressed
Parts by weight meter, raw material include following component:
100 parts of cement；240 parts of flyash；160 parts of slag；155 parts of river sand；12 parts of vinal；150 parts of water；Water-reducing agent
1.2 parts, 44 parts of viscosity modifier.
7. Steel Bridge Deck Pavement according to claim 1-6, which is characterized in that the adhesive layer (2) is epoxy
Resin layer, according to parts by weight, raw material include following component:
5~10 parts of bisphenol A epoxide resin；10~20 parts of polyurethane；5~10 parts of polycarbonate；0.5~1.5 part of promotor；Diminishing
0.5~1.5 part of agent；0.6~0.8 part of defoaming agent；0.6~1.2 part of coupling agent；3~10 parts of curing agent.
8. a kind of preparation method of the described in any item Steel Bridge Deck Pavements of claim 1-7, which is characterized in that including walking as follows
It is rapid:
(1) feed components of the adhesive layer are uniformly mixed, are laid on the surface of the steel bridge deck, form sizing material table
Face；
(2) feed components of the composite layer are uniformly mixed, are paved on above-mentioned sizing material surface；
(3) with 1.0~1.2kg/m2Dosage spray the lotion, and with 5~6kg/m2Dosage be laid with described in gather materials, formed
First thickness layer；Grinding compacting to the first thickness layer it is smooth after, with 0.8~1.0kg/m2Dosage spray the lotion,
And with 4~5kg/m2Dosage be laid with described in gather materials, formed second thickness layer；Grinding compacting is smooth to the second thickness layer
Afterwards, with 0.4~0.5kg/m2Dosage spray the lotion, form third thick layer, health, until the emulsion breaking.
9. preparation method according to claim 8, which is characterized in that the feed components mixing of the composite layer is equal
Even step are as follows: the water-reducing agent is dissolved in the aqueous solution that water-reducing agent is formed in the water, for use；By the cement, flyash,
2~3min is mixed in slag, river sand and viscosity modifier, and the aqueous solution of the water-reducing agent is added, and stirs 2~3min, obtains
Flow uniform slurries；The vinal is added into above-mentioned slurries, stirs 6~8min.
10. preparation method according to claim 8 or claim 9, which is characterized in that described in being laid on the surface of the steel bridge deck
Before adhesive layer, further include the steps that carrying out clean processing to the surface of the steel bridge deck.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109797647A (en) * | 2019-03-21 | 2019-05-24 | 河南省交通规划设计研究院股份有限公司 | A kind of composite modified asphalt bridge deck water-proof tack coat |
| CN112681134A (en) * | 2020-12-14 | 2021-04-20 | 江苏中路工程技术研究院有限公司 | Bridge and tunnel fiber composite pouring flexible waterproof pavement and construction method |
| CN113073552A (en) * | 2021-04-13 | 2021-07-06 | 山东科技大学 | Steel bridge deck high-ductility cement-based composite material paving structure and construction method |
| CN114316562A (en) * | 2019-04-18 | 2022-04-12 | 重庆市智翔铺道技术工程有限公司 | Multi-polymer alloy steel bridge deck pavement material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109797647A (en) * | 2019-03-21 | 2019-05-24 | 河南省交通规划设计研究院股份有限公司 | A kind of composite modified asphalt bridge deck water-proof tack coat |
| CN114316562A (en) * | 2019-04-18 | 2022-04-12 | 重庆市智翔铺道技术工程有限公司 | Multi-polymer alloy steel bridge deck pavement material and preparation method thereof |
| CN112681134A (en) * | 2020-12-14 | 2021-04-20 | 江苏中路工程技术研究院有限公司 | Bridge and tunnel fiber composite pouring flexible waterproof pavement and construction method |
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