CN1312361C - Bituonen-concrete-steel bridge floor and its spreading method - Google Patents
Bituonen-concrete-steel bridge floor and its spreading method Download PDFInfo
- Publication number
- CN1312361C CN1312361C CNB2005100182890A CN200510018289A CN1312361C CN 1312361 C CN1312361 C CN 1312361C CN B2005100182890 A CNB2005100182890 A CN B2005100182890A CN 200510018289 A CN200510018289 A CN 200510018289A CN 1312361 C CN1312361 C CN 1312361C
- Authority
- CN
- China
- Prior art keywords
- bridge floor
- layer
- steel bridge
- concrete
- bituminous mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The present invention provides a bitumen concrete steel bridge floor and a paving method thereof, which relates to a bitumen concrete steel bridge floor structure and a paving method thereof. The bridge floor is composed of a steel bridge floor after sand blasting for rust removal, a binding layer of a bridge floor adhesive agent, epoxy mortar and modified emulsified bitumen, a fine grain type bituminous concrete layer and an SMA bituminous mixture layer from bottom to top. The paving method has the steps of spraying sand and removing rust for the steel bridge floor, and orderly paving the binding layer of the bridge floor adhesive agent layer, the epoxy mortar and the modified emulsified bitumen, the fine grain type bituminous concrete layer and the SMA bituminous mixture layer from bottom to top. With the medium functions of the modified epoxy bridge floor adhesive agent and the epoxy mortar, the binding capacity of the bituminous mixture and the steel bridge floor is greatly enhanced, the fine grain type bituminous concrete enhances the shearing resistance of structure layers, and the SMA bituminous mixture enhances the rut resistance, the crack resistance, the skid resistance and the waterproof capability of road surfaces. The present invention successfully solves the problems of displacement, cracking, swelling, etc. of bituminous concrete paving which easily occurs on steel bridge floors, and extends the service life of the steel bridge floors. The present invention has favorable effects in one year of implement.
Description
Technical field the present invention relates to a kind of Bituonen-concrete-steel bridge floor structure and paving method thereof.
Unique advantages such as background technology steel case beam is big, in light weight with its span, easy construction are used widely, mat formation with cement concrete bridge deck and to compare, paving steel bridge deck has some specific (special) requirements: mating formation has higher shear strength between layer and the steel bridge face, the requirement layer of mating formation has good flexibility and chasing after from deformability, higher rutting resistance and good dense water can wait, after most of paving steel bridge decks are finished and are open to traffic soon, diseases such as rut, passing, cracking just appear, jeopardize bridge life, and major injury road service quality.Therefore, the paving steel bridge deck problem is puzzlement bridge worker's a global difficult problem always.For addressing the above problem, now work out the systems of mating formation such as pouring asphalt concrete, individual layer SMA, double-deck SMA, epoxy asphalt concrete.Adopt the pouring asphalt concrete system of mating formation, winter just occurred the crack then being open to traffic, just occurred rut in 1 year.SMA is a kind of typical matrix type compact structure, have good thermostability, dense water, crack resistance, be suitable for firm structure, adopt two SMA schemes, solved permanent deformation problems such as rut, but the bonding of SMA structure and steel bridge face is difficult to obtain desirable solution all the time, bonding shear strength is not high, form the weak area of deck, make the SMA structural performance be difficult to give full play to, great majority pushing phenomenon just occurs after adopting the bridge of double-deck SMA structure to be open to traffic soon.The epoxy resin asphalt concrete is by add thermosetting epoxy resin and curing compound in pitch; through curing reaction and a kind of high strength that forms, the bituminous concrete of good toughness; has good interlayer binding ability; good temperature stability and anti-fatigue performance; China's yangtze river in nanjing two bridges have been used the epoxy asphalt concrete system of mating formation; current state is good; but this bridge limiting overload vehicle ' always after be open to traffic; effectively good protective action has been played in the limit for tonnage measure, and the actual effect of mating formation is still waiting the test of time.
Diseases such as rut, passing, cracking appear in bridge floor, and all will drop into a large amount of funds and carry out maintenance every year, and the annual maintenance funds of one 900 meters long bridge reach 300～12,000,000 according to investigations, cause enormous economic loss.Therefore, the new paving steel bridge deck technology of research is imperative.
The applicant has applied for " steel bridge surface adhesive " (number of patent application 200510018104.6), bonding agent is mixed by first component and second component, the first component is made up of resin, modifier, composite antirust filler, reactive diluent, solvent or diluent, resin has low-molecular-weight epoxy resin, modifier has liquid acrylonitrile butadiene rubber, the composite antirust filler has wollastonite in powder, and solvent or diluent has dimethylbenzene-butanols; The second component is made up of polyamide 6 51, polyamide 6 50, dimethylbenzene-butanols.Cementing agent is a base-material with epoxy resin, adds various modifier, compares existing cementing agent, and its normal temperature adhesive strength improves 2.63-3.26 doubly, and high temperature bonding intensity improves 1.43 times; The cracking strain improves 10%, and low temperature does not ftracture, and pliability is good, and anti-crack ability is strong.
Summary of the invention the objective of the invention is at above-mentioned present situation, aim to provide a kind of anti-rut, cracking resistance, antiskid and close outlet capacity that can improve the road surface, effectively solve the asphalt concrete pavement that is prone on the steel bridge face and pass, ftracture, gather around problems such as bag, the asphalt concrete steel bridge floor and the paving method thereof of long service life.
The implementation of the object of the invention is that the asphalt concrete steel bridge floor is made up of from bottom to top the steel bridge face through derusting by sandblasting, bridge floor bonding agent, epoxy mortar and modified emulsifying asphalt adhesion coating, particulate formula asphalt concrete layer and SMA bituminous mixture layer.
Epoxy mortar is wherein made by following proportion raw material: cement: sand: water: emulsion epoxy resin=1: 2: 0.4: 0.10-0.14; Particulate formula asphalt concrete asphalt concrete layer is made by following level proportion raw material: 3～5mm gathers materials: 0～3mm gathers materials: natural sand: breeze=23: 57: 15: 5, and bitumen aggregate ratio is: OAC=8.8%; SMA bituminous mixture layer is made by following level proportion raw material: 9.5～13.2mm rubble: 4.75～9.5mm rubble: the following rubble of 2.36～4.75mm rubble: 2.36mm: breeze=42: 39: 0: 7: 12, bituminous mixture is mixed with fiber, bitumen aggregate ratio 5.0-7%, fibers content are 2-4 ‰.
The paving method of asphalt concrete steel bridge floor, carry out as follows:
A, the steel bridge face carried out derusting by sandblasting handle,
B, through the thick bridge floor bond layer of the steel bridge face upper berth 0.3～0.8mm of derusting by sandblasting,
C, at bridge floor bonding agent upper berth 10～30mm thick epoxy mortar and modified emulsifying asphalt adhesion coating, epoxy mortar is made by following proportion raw material: cement: sand: water: emulsion epoxy resin=1: 2: 0.4: 0.12,
D, repave the thick particulate formula asphalt concrete layer of 15～30mm, particulate formula asphalt concrete layer is made by following level proportion raw material: 3～5mm gathers materials: 0～3mm gathers materials: natural sand: breeze=23: 57: 15: 5, and bitumen aggregate ratio is: OAC=8.8%,
E, spread the thick SMA bituminous mixture layer of 30～50mm at last, SMA bituminous mixture layer is made by following level proportion raw material: 9.5～13.2mm rubble: 4.75～9.5mm rubble: the following rubble of 2.36～4.75mm rubble: 2.36mm: breeze=42: 39: 0: 7: 12, bituminous mixture is mixed with fiber, bitumen aggregate ratio 5.0-7%, fibers content are 2-4 ‰.
The present invention has following characteristics:
1, mat formation layer and adhesion problem and the close water problems of steel bridge face and the pliability of mating formation layer and chase after have been solved emphatically from deformability, improved the rutting resistance of upper layer simultaneously, solved the passing that often occurs in the paving steel bridge deck well, ftractureed, gather around disease such as bag;
2, in bonding agent admixture flexibilizer, in epoxy mortar, added the binding ability that emulsifier comes reinforced epoxy and mortar, particulate formula asphalt concrete and SMA compound have been developed, make the adhesion stress normal temperature of bridge floor be issued to 8.1MPa, 70 ℃ have also reached 4.8MPa, be higher than the needed adhesion stress of paving steel bridge deck far away, epoxy mortar and particulate formula asphalt concrete compound have good pliability, dense water energy and anti-fatigue performance, wherein the microstrain of mortar has reached 2500 μ m, reached the required strain capacity of paving steel bridge deck, the SMA stability at high temperature of asphalt mixture is good, have good rutting resistance and anti-water damage ability, prolonged the life-span of steel bridge face;
3, construction technology is simple, only needs to increase the emulsification intensification equipment of a cover epoxy resin, and raw material sources are wide, compare with the ordinary steel deck paving, and cost slightly rises;
The present invention uses on city speedway thing lake intercommunication D ramp bridge at army's mountain bridge and Wuhan, through the operation test in 1 year, any mass defect do not occur, illustrates that the present invention is successful, can large-scale promotion.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the present invention's block diagram of mating formation
The specific embodiment is with reference to Fig. 1, and this asphalt concrete steel bridge floor is made up of from bottom to top the steel bridge face 1 through derusting by sandblasting, bridge floor bonding agent 2, epoxy mortar and modified emulsifying asphalt adhesion coating 3, particulate formula asphalt concrete layer 4 and SMA bituminous mixture layer 5.Bridge floor bond layer 2 thick 0.3～0.8mm, epoxy mortar and modified emulsifying asphalt adhesion coating 3 thick 10～30mm, particulate formula asphalt concrete layer 4 thick 15～30mm, SMA bituminous mixture layer 5 thick 30～50mm.
The present invention mats formation step as shown in Figure 2.
The present invention adopts " steel bridge surface adhesive " (number of patent application 200510018104.6) of asking among the applicant, is mixed by first component and second component, and the weight ratio of first, second component is the first component: the second component=(5-7): 1,
The first component is made up of the material of following proportioning %:
Resin 30-43% modifier 5-10%
Composite antirust filler 25-50% reactive diluent 5-13%
Solvent or diluent 5-12%
Resin has low-molecular-weight epoxy resin, and modifier has liquid acrylonitrile butadiene rubber, and the composite antirust filler has wollastonite in powder, and solvent or diluent has dimethylbenzene-butanols, and dimethylbenzene and butanols weight proportion are 3: 1,
The second component is made up of the material of following proportioning %:
Polyamide 6 51 82-89% polyamide 6s 50 5-9%
Dimethylbenzene-butanols 3-10%
This bonding agent is than other cementing agent, and the normal temperature adhesive strength improves 2.63-3.26 doubly, and high temperature bonding intensity improves 1.43 times; The cracking strain improves 10%, and low temperature does not ftracture, and pliability is good, and anti-crack ability is strong.
Epoxy mortar of the present invention and modified emulsifying asphalt adhesion coating 3 are divided into the two large divisions, and the one, ordinary mortar, the 2nd, emulsion epoxy resin.In the epoxy mortar development process, at first according to the proportion design method of ordinary mortar, the proportioning of design ordinary mortar, the intensity of ordinary mortar satisfies above-mentioned technical performance index, but microstrain does not meet the demands, modulate emulsion epoxy resin then, admixture emulsifier polyvinyl alcohol in epoxy resin, the flexibilizer dibutyl ester has improved the hydrophilicity of epoxy resin, epoxy resin can be distributed in the mortar more equably go, improved pliability, cracking resistance and water conservation, the mobile performance of mortar; The admixture curing agent ethylene diamine is through curing reaction and a kind of high strength that forms, the epoxy mortar compound of good toughness meet the demands the emulsion epoxy resin mortar performance.
Through the overtesting contrast, chosen the proportioning of three kinds of epoxy mortars, concrete proportioning is as follows:
Table 1 epoxy mortar proportioning
| The proportioning numbering | Cement | Sand | Water | Epoxy emulsion |
| 1 | 1 | 2 | 0.4 | 0.10 |
| 2 | 1 | 2 | 0.4 | 0.12 |
| 3 | 1 | 2 | 0.4 | 0.14 |
Epoxy mortar technical indicator by this proportioning configuration sees Table 2
Table 2 epoxy mortar results of property
| The proportioning numbering | Strain stress (μ m) | Rupture strength (MPa) | Compressive strength (MPa) | |||||
| 3 days | 28 days | 3 days | 7 days | 28 days | 3 days | 7 days | 28 days | |
| 1 | 1257.4 | 2235.7 | 4.3 | 5.9 | 7.2 | 16.4 | 26.7 | 36.8 |
| 2 | 1468.8 | 2598.2 | 4.2 | 5.9 | 7.0 | 15.3 | 24.2 | 33.4 |
| 3 | 1494.6 | 2583.4 | 3.8 | 5.6 | 6.5 | 14.3 | 22.5 | 30.6 |
As can be seen from the above results, no matter the epoxy mortar of three groups of epoxy mortar proportioning configurations is intensity or microstrain, all satisfies the required epoxy mortar technical performance index of paving steel bridge deck, under the effect of steel bridge surface adhesive and steel plate have good adhesive property.After the plucking processing was done on the mortar surface, the mortar surface roughness greatly increased, and bond effect can be better.
In the present invention, particulate formula asphalt concrete bituminous concrete mainly plays a part to chase after from distortion and water shutoff, therefore, particulate formula asphalt concrete bituminous mixture must have good toughness, under the effect of heavily loaded traffic, good chasing after from deformability when being out of shape, upper layer arranged, can not ftracture or come off; Void content is little, has good dense water energy, guarantees that moisture content can not be penetrated on the bridge floor, and bridge floor is got rusty; Has good anti-fatigue ability.
The embodiment of particulate formula asphalt concrete bituminous mixture of the present invention and technical performance index are required to see Table 3 and table 4.
Table 3 particulate formula asphalt concrete embodiment
Breeze in the notes table is the CaCo3 powder.
Table 4 particulate formula asphalt concrete technical indicator and measured result
| Pilot project | Standard-required | Measured result |
| Void content (%) | 0.5-2.5 | 1.4 |
| Void in mineral aggregate (%) | ＞16 | 19.5 |
| Dimension nurse stability | ＞18 | 22 |
| Dynamic stability/mm | ＞500 | 670 |
| Bent beam fatigue test (2000 μ m, 10Hz, 20 ℃) | ＞100,000 | ＞600,000 |
As seen from the table, every index of particulate formula asphalt concrete bituminous mixture all satisfies above-mentioned requirements.
The SMA bituminous mixture is a kind of typical matrix type compact structure, has good heat stability, dense water, crack resistance, is suitable for steel work.SMA bituminous mixture one deck of only mating formation in the present invention program is mainly brought into play the rutting resistance of its matrix type compact structure.The SMA bituminous mixture is mixed with the organic synthetic fibers that average length is 5～7mm, and fiber is as the stabilizing agent in the SMA compound, and adopting average length is the organic synthetic fibers of 5～7mm, to strengthen the anti-fatigue performance of SMA compound.
The SMA asphalt mixture gradation sees Table 5 than embodiment
Table 5 SMA asphalt concrete proportioning embodiment
| Screen size (mm) | Formate gradation composition | Grating intermediate value (%) | SMA-13 grading limit (%) |
| 16 | 100 | 100 | 100 |
| 13.2 | 90.8 | 95 | 90～100 |
| 9.5 | 61.5 | 62.5 | 50～75 |
| 4.75 | 26.3 | 26 | 20～32 |
| 2.36 | 18.9 | 20.5 | 15～26 |
| 1.18 | 17.5 | 19 | 14～24 |
| 0.6 | 15.2 | 16 | 12～20 |
| 0.3 | 13.9 | 13 | 10～16 |
| 0.15 | 13.0 | 11.5 | 8～15 |
| 0.075 | 10.9 | 10 | 8～12 |
| Mineral aggregate bulk volume relative density ρ sb | 2.877 | ||
| 4.75mm above coarse aggregate bulk volume relative density ρ ca | 2.943 | ||
| 4.75 above coarse aggregate loose measure relative density ρ s | 1.759 | ||
| 4.75 above coarse aggregate VCA DRC(％) | 40.2 | ||
| Best bitumen aggregate ratio (%) | 6 | ||
| Fibers content (‰) | 3 | ||
Under this grating and bitumen aggregate ratio, the service check of SMA bituminous mixture the results are shown in Table 6 and table 7.
Table 6 Marshall Test result
| Bitumen aggregate ratio (%) | Solid density (g/cm 3) | Actual density (g/cm 3) | VV (％) | VMA (％) | VCAmix (％) | VA (％) | VFA (％) | Stability (KN) | Flow valuve (0.1mm) |
| 6.0 | 2.6ll | 2.501 | 4.2 | 18.0 | 37.4 | 13.8 | 76.7 | 8.01 | 35.5 |
Table 7 SMA bituminous concrete performance test result
| Pilot project | Wheel tracking test (inferior/mm) | Analyse Lou test (%) | The freeze thawing cleavage strength is than (%) | Construction depth (mm) | Infiltration coefficient (ml/min) | Residual stability (%) |
| Result of the test | 7925 | 0.12 | 92.7 | 1.15 | 11 | 87.8 |
From table 6,7 as seen, the every index of SMA bituminous concrete all meets the demands.
The performance indications contrast of the present invention and various steel bridge faces sees Table 8
Table 8 the present invention and other mat formation mode performance relatively
| Two SMA | Pouring asphalt concrete | Epoxy asphalt concrete | The present invention | |
| Adhesion strength MPa | 1.9 | 2.5 | 2.23 | 8.1 |
| The dense water energy | Generally | Good | Generally | Good |
| Cracking resistance | Good | Generally | Good | Good |
| Rutting resistance | Good | Generally | Generally | Good |
| Workability | Good | Generally | Good | Good |
As seen from Table 8, the every technical indicator of the present invention all is better than other bridge floor.
Claims (4)
1, Bituonen-concrete-steel bridge floor is characterized in that being made up of from bottom to top the steel bridge face (1) through derusting by sandblasting, bridge floor bond layer (2), epoxy mortar and modified emulsifying asphalt adhesion coating (3), particulate formula asphalt concrete layer (4) and SMA bituminous mixture layer (5),
Epoxy mortar wherein (3) is made by following proportion raw material: cement: sand: water: emulsion epoxy resin=1: 2: 0.4: 0.10-0.14, particulate formula asphalt concrete layer (4) is made by following level proportion raw material, 3～5mm gathers materials: 0～3mm gathers materials: natural sand: breeze=23: 57: 15: 5, bitumen aggregate ratio is: OAC=8.8%, SMA bituminous mixture layer (5) is made by following level proportion raw material: 9.5～13.2mm rubble: 4.75～9.5mm rubble: the following rubble of 2.36～4.75mm rubble: 2.36mm: breeze=42: 39: 0: 7: 12, the SMA bituminous mixture is mixed with fiber, bitumen aggregate ratio 5.0～7%, fibers content are 2～4 ‰.
2, Bituonen-concrete-steel bridge floor according to claim 1, it is characterized in that the thick 0.3～0.8mm of bridge floor bond layer (2), epoxy mortar and the thick 10～30mm of modified emulsifying asphalt adhesion coating (3), the thick 15～30mm of particulate formula asphalt concrete layer (4), the thick 30～50mm of SMA bituminous mixture layer (5).
3, Bituonen-concrete-steel bridge floor according to claim 1 is characterized in that the SMA bituminous mixture is mixed with the organic synthetic fibers that average length is 5～7mm.
4, the paving method of the described Bituonen-concrete-steel bridge floor of claim 1 is characterized in that carrying out as follows:
A, steel bridge face (1) carried out derusting by sandblasting handle,
B, through the thick bridge floor bond layer (2) of steel bridge face (1) upper berth 0.3～0.8mm of derusting by sandblasting,
C, at bridge floor bonding agent (2) upper berth 10～30mm thick epoxy mortar and modified emulsifying asphalt adhesion coating (3), epoxy mortar and modified emulsifying asphalt adhesion coating (3) are made by following proportion raw material: cement: sand: water: emulsion epoxy resin=1: 2: 0.4: 0.10-0.14
D, repave the thick particulate formula asphalt concrete layer (4) of 15～30mm, particulate formula asphalt concrete asphalt concrete layer (4) is made by following level proportion raw material: 3～5mm gathers materials: 0～3mm gathers materials: natural sand: breeze=23: 57: 15: 5, and bitumen aggregate ratio is: OAC=8.8%,
E, spread the thick SMA bituminous mixture layer (5) of 30～50mm at last, SMA bituminous mixture layer (5) is made by following level proportion raw material: 9.5～13.2mm rubble: 4.75～9.5mm rubble: the following rubble of 2.36～4.75mm rubble: 2.36mm: breeze=42: 39: 0: 7: 12, bituminous mixture is mixed with fiber, bitumen aggregate ratio 5.0-7%, fibers content are 2-4 ‰.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100182890A CN1312361C (en) | 2005-02-21 | 2005-02-21 | Bituonen-concrete-steel bridge floor and its spreading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100182890A CN1312361C (en) | 2005-02-21 | 2005-02-21 | Bituonen-concrete-steel bridge floor and its spreading method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1657708A CN1657708A (en) | 2005-08-24 |
| CN1312361C true CN1312361C (en) | 2007-04-25 |
Family
ID=35007399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100182890A Expired - Fee Related CN1312361C (en) | 2005-02-21 | 2005-02-21 | Bituonen-concrete-steel bridge floor and its spreading method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1312361C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100503731C (en) * | 2006-07-18 | 2009-06-24 | 广东工业大学 | Emulsified asphalt modified by epoxy resin |
| CN101654903B (en) * | 2009-09-15 | 2011-01-12 | 东南大学 | Pavement structure of cement concrete bridge deck |
| CN102010608B (en) * | 2010-12-02 | 2013-01-02 | 东莞市东物合成材料有限公司 | Thermosetting emulsified flexible epoxy resin modified emulsified asphalt |
| CN102060474B (en) * | 2010-12-02 | 2012-08-01 | 东莞市东物合成材料有限公司 | Thermosetting flexible epoxy resin modified emulsified asphalt |
| CN102010607B (en) * | 2010-12-02 | 2012-08-01 | 东莞市东物合成材料有限公司 | Thermosetting emulsified epoxy resin modified emulsified asphalt |
| CN102173663B (en) * | 2011-01-10 | 2013-06-12 | 武汉理工大学 | Waterborne epoxy modified emulsified asphalt concrete for steel bridge surface and preparation method thereof |
| CN102505601B (en) * | 2011-11-21 | 2014-06-11 | 重庆大学 | Fast repairing method for asphalt concrete pavement |
| CN102674765A (en) * | 2012-06-11 | 2012-09-19 | 广东华路交通科技有限公司 | Micro-surfacing mixing material with performances of high abrasion resistance and water damage resistance |
| CN109749409A (en) * | 2018-12-28 | 2019-05-14 | 中水电第十一工程局（郑州）有限公司 | A kind of dedicated ageing-resistant, resistant abrasion ceramic composite of waterwork |
| CN111875299A (en) * | 2020-08-06 | 2020-11-03 | 长沙理工大学 | Magnetic powder modified asphalt mixture and preparation method thereof |
| CN112778907B (en) * | 2020-12-30 | 2021-09-21 | 河南省公路工程试验检测中心有限公司 | Asphalt pavement regeneration preventive maintenance material and preparation method and application thereof |
| CN113526917B (en) * | 2021-07-28 | 2023-05-16 | 湖北省高速公路实业开发有限公司 | Flexible epoxy mortar for paving steel bridge deck and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS636811A (en) * | 1986-06-26 | 1988-01-12 | Seiko Instr & Electronics Ltd | Magnet |
| JPH1150034A (en) * | 1997-08-05 | 1999-02-23 | Jiro Fujimasu | Adhesive composition for panel for mending road bridge floor |
| CN1478844A (en) * | 2003-07-10 | 2004-03-03 | 武汉路祥工贸有限公司 | Bridge surface water resistant binding admixture and its preparation method |
| CN1563588A (en) * | 2004-04-08 | 2005-01-12 | 东南大学 | Structure of felting bridge floor made from steel box girder in large span |
-
2005
- 2005-02-21 CN CNB2005100182890A patent/CN1312361C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS636811A (en) * | 1986-06-26 | 1988-01-12 | Seiko Instr & Electronics Ltd | Magnet |
| JPH1150034A (en) * | 1997-08-05 | 1999-02-23 | Jiro Fujimasu | Adhesive composition for panel for mending road bridge floor |
| CN1478844A (en) * | 2003-07-10 | 2004-03-03 | 武汉路祥工贸有限公司 | Bridge surface water resistant binding admixture and its preparation method |
| CN1563588A (en) * | 2004-04-08 | 2005-01-12 | 东南大学 | Structure of felting bridge floor made from steel box girder in large span |
Non-Patent Citations (1)
| Title |
|---|
| 武汉军，山长江大桥钢桥面沥青混凝土铺装施工技术 吴秉军，裴绍建，李云海，天津建设科技 2003 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1657708A (en) | 2005-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1312361C (en) | Bituonen-concrete-steel bridge floor and its spreading method | |
| CN103015316B (en) | Asphalt concrete steel bridge pavement structure and pavement method thereof | |
| CN101660294B (en) | Steel bridge deck pavement structure and pavement method thereof | |
| CN1920176B (en) | Deck installation structure of big-span steel bridge | |
| CN100431832C (en) | Fiber reinforcement material, products made therefrom, and method for making the same | |
| CN102503244A (en) | Composition of skeleton interlocking coarse grain-type high-modulus asphalt concrete and determination method thereof | |
| Krayushkina et al. | Basalt fiber concrete as a new construction material for roads and airfields | |
| CN106320129A (en) | Method for designing mix proportion of bituminous mixture for ultra-thin wearing course | |
| CN105970761B (en) | Primary mat formation formula heavy traffic asphalt pavement structure and construction method | |
| Cihackova et al. | Performance characteristics of the open-graded asphalt concrete filled with a special cement grout | |
| CN105585294A (en) | Hybrid fiber high-crack-resisting and high-tenacity airfield pavement concrete and preparation method thereof | |
| CN102828454B (en) | Resin asphalt concrete paving structure capable of being constructed at normal temperature, and paving method thereof | |
| CN106495562A (en) | A kind of cold painting type road and bridge face thin layer pavement material for adapting to southern warm and its using method | |
| CN106223152B (en) | A kind of particulate formula high-performance Recycled Asphalt Pavement for being easy to construction | |
| Johnston | Steel fibre-reinforced concrete-present and future in engineering construction | |
| CN115369712A (en) | Highway large and medium-sized bridge deck asphalt pavement structure | |
| CN1580408A (en) | Reflective crack relief pavement interlayer with improved load bearing capacity and method for designing interlayer | |
| CN112267385A (en) | Paving method of steel bridge deck stiffening pouring type asphalt mixture | |
| CN109457610B (en) | Pavement structure for reinforcing orthotropic steel bridge deck and construction method | |
| Ferretti et al. | Stress and strain profiles along the cross-section of waste tire rubberized concrete plates for airport pavements | |
| CN215593676U (en) | Large-span steel bridge deck pavement structure | |
| CN212742055U (en) | Pavement paving structure | |
| CN101161937A (en) | Special section hollow polymer fiber reinforcement emulsified asphalt slurry seal | |
| CN113699847A (en) | Tunnel composite epoxy asphalt drainage pavement structure and process method | |
| CN113957761A (en) | Ultra-thin bituminous pavement of high-grade highway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 Termination date: 20110221 |