CN103122608A - Steel bridge deck paving structure and construction technology - Google Patents
Steel bridge deck paving structure and construction technology Download PDFInfo
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- CN103122608A CN103122608A CN2012103871382A CN201210387138A CN103122608A CN 103122608 A CN103122608 A CN 103122608A CN 2012103871382 A CN2012103871382 A CN 2012103871382A CN 201210387138 A CN201210387138 A CN 201210387138A CN 103122608 A CN103122608 A CN 103122608A
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Abstract
The invention relates to a steel bridge deck paving structure and a construction technology. The steel bridge deck paving structure comprises a modified epoxy resin bonded gravel waterproof bonding layer, a clod mixing modified epoxy resin mortar transition layer, and a mastic asphalt gravel steel bridge deck paving layer, wherein the modified epoxy resin bonded gravel waterproof bonding layer is arranged on a steel bridge deck and is closely bonded with the steel bridge deck, the clod mixing modified epoxy resin mortar transition layer is closely connected with the modified epoxy resin bonded gravel waterproof bonding layer, and the mastic asphalt gravel steel bridge deck paving layer is paved on the clod mixing modified epoxy resin mortar transition layer. The construction technology comprises a modified epoxy resin bonded gravel waterproof bonding layer construction technology, a clod mixing modified epoxy resin mortar transition layer construction technology, and a mastic asphalt gravel steel bridge deck paving layer construction technology. The steel bridge deck paving structure and the construction technology have the good pavement performances of being slide resistant, high temperature resistant, track resistant, low in noise, not prone to water seepage, good in overall stability, good in driving safety property, long in service life, and the like. In addition, the curing time of modified epoxy resin is easy to control and construction is simple and convenient.
Description
Technical field
The present invention relates to the deck paving in a kind of bridge field, particularly relate to a kind of bridge deck pavement structure and construction technology.It is to utilize modified epoxy bonding breakstone water-proof binding layer and steel bridge deck that good bonding is arranged, for the deck paving upper strata provides a good anti-shearing platform.It is to utilize cold mixing modified epoxy mortar transition zone to play thermal insulation, transmission load and anti-shearing effect, its last layer adopts the asphalt-mastic-broken stone deck, can effectively improve the cling property on surface, and become a kind of new design that quite has practicality and progressive, be suitable for the industrial circle wide popularization and application.
Background technology
The research of steel deck paving packing technique is a global problem, China has successively introduced epoxy asphalt concrete (epoxy asphalt concrete), cast asphalt concrete (Guss asphalt), these bridge deck pavement structure types of generally using in America and Europe and Japan and other countries are implemented also to obtain certain effect in China, but the case of earlier period damage is in various degree arranged also the time.Epoxy asphalt concrete and cast asphalt concrete bridge deck pavement structure have certain limitation.
For this reason, domestic technician lower floor occurred and has adopted cast asphalt concrete through the exploratory development of for many years effort, and the upper strata adopts epoxy asphalt concrete or upper strata to adopt the bridge deck pavement structure of modified asphalt SMA.Although the bridge deck pavement structure of two kinds of dissimilar compound combinations is better than merely adopting a kind of bridge deck pavement structure of type hybrid material, really has progressive, but also have some shortcomings but find its structure when reality is used in, cause such bridge deck pavement structure in practical application, fail to reach best result of use, and its shortcoming to be bridge mat formation layer easily occurs high temperature rut, laterally pass the earlier period damages such as cracking.This not only jeopardizes traffic safety, has also affected the application life of steel bridge deck simultaneously.
And cause the reason of earlier period damage to be exactly: due to the smooth and shear resistance of boundary material under the condition of high temperature in the steel bridge deck interface that contacts with bridge deck pavement is poor.The people in the industry proposes again that a kind of new structure namely is coated with one deck epoxy zinc-rich paint on steel bridge deck in case SMA structure structure layer or epoxy asphalt concrete deck are laid in the steel bridge deck corrosion on the epoxy zinc-rich enamelled coating.Although the epoxy zinc-rich enamelled coating can prevent corrosion, the shearing resistance slippage still easily appears in the SMA structure structure layer on it.And the grating that epoxy asphalt concrete adopts is floated close-graded, and the surface texture degree of depth is very little, and surperficial anti-slide performance is not enough, and difficulty of construction is large, expensive.
Also having an example is the Construction of Hangzhou Bay Cross-sea Bridge of attracting worldwide attention, the former design of mating formation of its offshore platform ring road Steel Bridge is also to adopt U.S.'s epoxy asphalt pavement system, but runs into a technique difficult problem in the steel ramp bridge epoxy asphalt pavement system construction of maximum longitudinal grade 7.98%, smallest curve radius 72.0m.The technological requirement epoxy asphalt mixture must be before the bituminous epoxy water-proof tack coat solidifies decking and rolling, at the larger horizontal component of large longitudinal gradient mountain construction machinery generation, can cause uncured bituminous epoxy water-proof tack coat shear failure, for controlling mixture segregation technological requirement bituminous epoxy maximum paving width 4.0m, 7.22m ramp bridge divide two width to pave, working load is zonal distribution, produces significant unbalance loading, affects the resistance to overturning of small curvature radius 72.0m ring road.U.S.'s epoxy asphalt pavement system is not suitable with the ring road Steel Bridge of large longitudinal gradient 7.98%, small curve radius 72.0m and mats formation.
Because the defective that above-mentioned existing bridge deck pavement structure exists, the inventor is based on being engaged in this type of product design manufacturing abundant practical experience and professional knowledge for many years, and the utilization of cooperation scientific principle, positive research and innovation in addition, to founding a kind of new bridge deck pavement structure and construction technology, can improve general existing bridge deck pavement structure, make it have more practicality.Through constantly research, design, and after repeatedly studying and improving, finally create the present invention who has practical value.
Summary of the invention
Main purpose of the present invention is, overcome the defective that existing bridge deck pavement structure exists, and provide a kind of new bridge deck pavement structure, technical problem to be solved is to make its bridge deck mat formation layer interface of contacting with steel bridge deck that good caking property and compatibility of deformation ability be arranged, have good anti-rut performance, good planeness and cling property, do not produce shearing slip and energy waterproof, be very suitable for practicality.
Another object of the present invention is to, a kind of new bridge deck pavement structure and construction technology are provided, technical problem to be solved is that paving steel bridge deck water-proof tack coat and steel bridge deck have good caking property and a coarse interface is provided.
An another also purpose of the present invention is; a kind of new bridge deck pavement structure and construction technology are provided; technical problem to be solved is that one deck transition zone is arranged; rigidity step on mechanics; the modified epoxy bonding breakstone water-proof binding layer that in construction, protection hard pitch mastic-broken stone mixture paves and do not scald bottom; anti-waterborne with single, disperse modified epoxy bond rubble integration; consist of the efficient integral waterproof layer by layer with modified epoxy bonding breakstone water-proof binding layer, guarantee the stable water proofing property of structural system.
A further object of the present invention is, a kind of new bridge deck pavement structure and construction technology are provided, technical problem to be solved be Steel Bridge mat formation the layer pavement performance, its construction depth is large, friction factor is large, cling property is good, the driving is comfortable, long service life, thus more be suitable for practicality and have value on industry.
The present invention also aims to provide a kind of new bridge deck pavement structure and construction technology, technical problem to be solved is the cold coating of modified epoxy cold mixing of modified epoxy bonding breakstone water-proof binding layer, the modified epoxy mortar mixture cold mixing cold-application of cold mixing modified epoxy mortar transition zone, all do not need construction at high temperature, reduce energy consumption, reduce waste gas, improve construction and ecological environment.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of bridge deck pavement structure that includes the stone matrix asphalt deck according to the present invention's proposition, be characterized in that described steel bridge deck is provided with and the modified epoxy of steel bridge deck tight bond bonding breakstone water-proof binding layer, with modified epoxy bonding breakstone water-proof binding layer close proximity be cold mixing modified epoxy mortar transition zone, with cold mixing modified epoxy mortar transition zone close proximity be the asphalt-mastic-broken stone deck.
Aforesaid bridge deck pavement structure, wherein said modified epoxy bonding breakstone water-proof binding layer is jointly to consist of and the steel bridge deck firmly modified epoxy bonding breakstone water-proof binding layer that bonds by being coated on the modified epoxy layer on steel bridge deck and solidifying in the rubble of modified epoxy layer, provides and steel bridge deck secure bond water-proof tack coat and coarse antiskid surface.
Aforesaid bridge deck pavement structure, wherein said cold mixing modified epoxy mortar transition zone is comprised of cold mixing modified epoxy mortar mixture, and thickness is 15～30mm, rubble nominal maximum aggregate size 5mm.
Aforesaid bridge deck pavement structure, the thickness of wherein said asphalt-mastic-broken stone deck are 30～60mm, nominal maximum aggregate size 10～13mm.
Aforesaid bridge deck pavement structure, wherein said asphalt-mastic-broken stone deck is one deck or two-layer.
The object of the invention to solve the technical problems realizes by the following technical solutions.The construction technology of a kind of bridge deck pavement structure that proposes according to the present invention comprises modified epoxy bonding breakstone water-proof binding layer construction technology, cold mixing modified epoxy mortar transition zone construction technology and asphalt-mastic-broken stone deck construction technology; Its sequence of construction is first to carry out the construction of modified epoxy bonding breakstone water-proof binding layer, then carries out the construction of cold mixing modified epoxy mortar transition zone, carries out at last the construction of asphalt-mastic-broken stone deck.
The construction technology of aforesaid bridge deck pavement structure, the step of wherein said modified epoxy bonding breakstone water-proof binding layer construction technology is as follows:
Step 1: first clean steel bridge deck
First remove attachment on the steel bridge deck top layer with steel brush, then wipe off with scoop and be attached to the lip-deep thicker grease of steel bridge deck, then remove with cleaning agent the part that the steel bridge deck part is subjected to oil pollution, make the steel bridge deck cleaning dry;
Step 2: then steel bridge deck is carried out impeller blasting
With the parallel straight line of one or more shot-blasting machine continuous steel bridge deck is carried out impeller blasting, through impeller blasting repeatedly after multipass, make steel bridge deck show that cleannes reach the Sa2.5-3 level, roughness reaches 80-100 μ m, guarantees that surface of steel plate is without overlap, splash, pin hole, overlap and burr;
Step 3: be coated with again modified epoxy
At first at steel bridge deck surface-coated one deck 0.8～1.2kg/m
2Modified epoxy; The coating modified epoxy must carry out in steel bridge deck eliminated rust 2 hours;
Step 4: then immediately on this modified epoxy layer evenly the spread nominal particle diameter be the rubble of 3～5mm, make these rubbles fully with this modified epoxy layer curing, the spread quantity Area Ratio of this rubble is 60%～85%, forms modified epoxy bonding breakstone water-proof binding layer.
The construction technology of aforesaid bridge deck pavement structure, the step of wherein said cold mixing modified epoxy mortar transition zone construction technology is as follows:
Step 1: mix and stir transportation
Cold mixing modified epoxy mortar mixture comprises that two kinds of 0-3mm and 3-5mm gather materials, and A, B bi-component modified epoxy sizing material, the Weighing lifting respectively of gathering materials is dosed to mixes pot, with the two group Weighings of modified epoxy A, B, be promoted to and mix pot, dry mixing 10s to be gathered materials pours sizing material wet-mixing 60s into.Compound is directly put into the haul truck and is transported to paver;
Step 2: pave
After modified epoxy bonding breakstone water-proof binding layer was fixed, with the modified epoxy mortar mixture that one or more paver full width paves and mixes and stirs, the speed of paving was controlled at 2-3m/min.The one car material time of paving was no more than 30min; Paving thickness adopts away equalizer bar or walks the piston shoes mode and control, and guarantees the thickness 10-30mm of cold mixing modified resin mortar mixture;
Step 3: roll
Road roller is followed paver and is rolled, and adopts the halo static pressure 1～2 time, more multiple the pressure adopts rubber tire to press 3-4 time; Roll and adopt segmentation to control, roll length consistent with the per car material length that paves, the every period of rolling is no more than 10～15min and rolls from low to high, immediately following pressing slowly; Roll and forbid the mixed liquid such as watering, diesel oil, used oil, unification to adopt vegetable oil as sticking-proof wheels oil in process, the brushing surface of tyre roller forms cold mixing modified epoxy mortar transition zone.
The construction technology of aforesaid bridge deck pavement structure, the step of wherein said asphalt-mastic-broken stone deck construction technology is:
Step 1: mix and stir transportation
In the central mix of stone mastic asphalt batching plant, compound is mixed 185-195 ℃ of appearance temperature.The 20t truck transport, haul compartment brushing interleaving agent covers the double-layer heat insulation paulin.
Step 2: pave
When paving, must there be the haulage vehicle more than 5 to wait before paver, just can carry out paving operation, the pavers such as dumper must have been accomplished, forbid the transport vehicles such as paver, the speed of service 2～the 3m/min of paver, paving thickness adopts the Sonic Averaging System device to control, this paver aggregate bin should not yet expose at scraper plate, during the thick heat material of the 10cm that still has an appointment, and next dumper material of namely starting discharging, accomplish continuous feeding, and avoid coarse fodder to concentrate, accomplish that as far as possible paver does not hold together material, to reduce the surface layer segregation;
Step 3: roll
First use the steel roller static pressure 1-2 time, then press again 3-4 time with steel roller, eliminate wheelmark with steel roller at last, upper layer forbidding pneumatic-tired rollers roll.Can spray proper amount of clear water when rolling process need or contain the aqueous solution of interleaving agent, it is vaporific that sprinkling should be, and avoids too much water to enter in the space on stone mastic asphalt road surface, take sticking wheel as degree; Rolling order should be: to the center transition on half range road surface, when adopting the steel roller static pressure, the wheelmark of this steel roller answers overlapping 1/3-1/4 to roll width gradually.
The construction technology of aforesaid bridge deck pavement structure, wherein said asphalt-mastic-broken stone deck construction technology, step is:
Step 1: minute two-layer paving
When dividing two-layer paving, the upper layer thickness of the asphalt-mastic-broken stone deck that paves adopts the Sonic Averaging System device to control paving thickness, and the Sub thickness of the asphalt-mastic-broken stone deck that paves adopts tight-wire walking to control spreading evenness;
Step 2: then roll
The upper layer of described asphalt-mastic-broken stone deck adopts steel roller to closely follow the paver static pressure 1～2 time, then presses again 3～4 with steel roller, then receives mark 1～2 time with steel roller, and upper layer forbidding pneumatic-tired rollers roll; The first pressing of the Sub of described asphalt-mastic-broken stone deck is closelyed follow the paver static pressure 1～2 time by steel roller, the multiple pressure rolled 3～4 times with pneumatic-tired rollers, the pneumatic-tired rollers wheelmark answers overlapping 1/3-1/2 to roll width, eliminate wheelmark with steel roller at last, 1～2 time, the asphalt-mastic-broken stone deck.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, bridge deck pavement structure of the present invention can reach suitable technological progress and practicality, and has the extensive value on industry, and it has following advantages at least:
1, bridge deck pavement structure of the present invention and construction technology, adopt modified epoxy bonding breakstone water-proof binding layer, be to form rubble and modified epoxy and modified epoxy and the firmly coarse antiskid face of steel plate bonding on the steel bridge deck face, improved anti-slide performance and the shear-stable ability of bridge deck pavement structure integral body.Modified epoxy bonding breakstone water-proof binding layer and bridge deck pull strength (70 ℃) 〉=4MPa draw and cut intensity (70 ℃) 〉=1MPa.
2, bridge deck pavement structure of the present invention and construction technology, adopt cold mixing modified epoxy mortar transition zone, can prevent from as isolation layer passing under the heat of road surfaces and can prevent that steel case beam heat from uploading, thereby further having improved the shear strength of whole paving structure.And it is as transition zone, it can eliminate the poor rigidity distance of steel plate and stone mastic asphalt deck, the transmission load on deck paving surface can be transmitted in a wider context, guarantee that steel bridge deck can participate in mat formation stressed, have the integration function.Besides, it consists of whole waterproof system of mating formation together with modified epoxy bonding breakstone water-proof binding layer, guarantee the stability of paving structure
3, bridge deck pavement structure of the present invention and construction technology, the asphalt-mastic-broken stone deck that adopts, large as its surface texture depth of surface functional layer, can effectively improve the cling property on the surface of mating formation, be conducive to the traffic safety in later stage deck paving use procedure.
4. bridge deck pavement structure of the present invention and construction technology, the definite functions of each layer has that antiskid, high temperature resistance, anti-rut, noise are little, to be difficult for infiltration, long service life etc. good pavement performance and hardening time easy to control, easy construction.
5, bridge deck pavement structure of the present invention and construction technology, simple in structure, material price is cheap, easily construction, manufacturing cost reduces relatively, thereby can significantly reduce costs, increase economic efficiency, on the practicality of using and cost benefit, really meet industry development fully required, quite have industrial utilization.
In sum, the bridge deck pavement structure of novelty of the present invention and construction technology, have antiskid, high temperature resistance, anti-rut, noise little, be difficult for infiltration, resistance to overturning is good, the driving safety performance is good, long service life etc. is good pavement performance and hardening time be easy to control, easy construction.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of manual, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is first and second example structure schematic diagram of the present invention;
Fig. 2 is the third embodiment of the invention structural representation
Wherein
1, asphalt-mastic-broken stone deck
1A: asphalt-mastic-broken stone deck
1B: asphalt-mastic-broken stone deck
2, cold mixing modified epoxy mortar transition zone
3, modified epoxy bonding breakstone water-proof binding layer
4, steel bridge deck
The specific embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its specific features of bridge deck pavement structure and effect thereof to foundation the present invention proposes are described in detail as follows.
Embodiment 1:
See also Fig. 1, the bridge deck pavement structure of preferred embodiment of the present invention, it mainly comprises:
----modified epoxy bonding breakstone water-proof binding layer 3 is layed on steel bridge deck 4, with steel bridge deck 4 tight bond.Be wherein first in Steel Bridge Deck 4 plates rust cleaning, rust cleaning reaches Sa2.5～3 grade, then is coated with the modified epoxy layer, and consumption is 0.8～1.2kg/m
2Solidify in the modified epoxy layer at spreading 3～5mm rubble on this modified epoxy afterwards, consist of and the steel bridge deck 4 firmly modified epoxy bonding breakstone water-proof binding layer 3 that bonds, firmly coarse antiskid is surperficial to form rubble and resin and steel plate bonding, reach anti-shearing requirement, easy construction.In the present embodiment, the modified epoxy figure cloth amount of modified epoxy bonding breakstone water-proof binding layer 3 is 1.2kg/m
2
----cold mixing modified epoxy mortar transition zone 2, be layed on modified epoxy bonding breakstone water-proof binding layer 3, with modified epoxy bonding breakstone water-proof binding layer 3 tight bond, formed by cold mixing modified epoxy mortar mixture, this rubble nominal maximum aggregate size 5mm, thickness is 15～30mm.The thickness of the present embodiment cold mixing modified epoxy mortar transition zone 2 is 30mm.This cold mixing modified epoxy mortar transition zone 2 has the functional requirements such as the layer to layer transition of satisfying, heat insulation, integration, have can control hardening time, intensity is high, the cold mixing retinasphal compound that is easy to construct is laid and the heat insulation transition zone that forms.
---asphalt-mastic-broken stone deck 1, be layed on cold mixing modified epoxy mortar transition zone 2, with cold mixing modified epoxy mortar transition zone 2 tight bond, thickness is 30～60mm.The thickness of the asphalt-mastic-broken stone deck 1 of the present embodiment is 30mm.This deck is to have the surface functional layer that antiskid, high temperature resistance, anti-rut, noise are little, be difficult for the good pavement performance such as infiltration, long service life.
The 2nd embodiment:
See also Fig. 1, the bridge deck pavement structure of preferred embodiment of the present invention, the modified epoxy coating weight of modified epoxy bonding breakstone water-proof binding layer 3 is 0.8/m
2.Cold mixing modified epoxy mortar transition region thickness 15mm, the asphalt-mastic-broken stone Laminate construction thickness is 45mm.The same embodiment of other structure.
The construction technology of the bridge deck pavement structure of above-described embodiment 1-2 comprises modified epoxy bonding breakstone water-proof binding layer construction technology, cold mixing modified epoxy mortar transition zone construction technology and asphalt-mastic-broken stone deck construction technology; Its sequence of construction is first to carry out the construction of modified epoxy bonding breakstone water-proof binding layer, then carries out the construction of cold mixing modified epoxy mortar transition zone, carries out at last the construction of asphalt-mastic-broken stone deck.
Wherein, the step of described modified epoxy bonding breakstone water-proof binding layer construction technology is as follows:
Step 1: first clean steel bridge deck 4.First remove attachment on steel bridge deck 4 top layers with steel brush, then wipe off with scoop and be attached to the lip-deep thicker grease of steel bridge deck 4.Then remove with cleaning agent the part that steel bridge deck 4 parts are subjected to oil pollution, make steel bridge deck 4 cleanings dry.
Step 2: then steel bridge deck 4 is carried out impeller blasting.With the parallel straight line of one or more shot-blasting machine continuous steel bridge deck 4 is carried out impeller blasting, through impeller blasting repeatedly after multipass, make steel bridge deck 4 show that cleannes reach the Sa2.5-3 level, roughness reaches 80-100 μ m, guarantees that surface of steel plate is without overlap, splash, pin hole, overlap and burr;
Step 3: be coated with again modified epoxy.At first at steel bridge deck 4 surface-coated one deck 0.8～1.2kg/m
2Modified epoxy;
Step 4: then immediately on this modified epoxy layer evenly the spread nominal particle diameter be the rubble of 3～5mm, make those rubbles fully with this modified epoxy layer curing, the spread quantity Area Ratio of this rubble is 60%～85%, forms modified epoxy bonding breakstone water-proof binding layer 3.
Wherein, the step of described cold mixing modified epoxy mortar transition zone construction technology is as follows:
Step 1: mix and stir transportation.Cold mixing modified epoxy mortar mixture comprises that two kinds of 0-3mm and 3-5mm gather materials, and A, B bi-component modified epoxy sizing material, the Weighing lifting respectively of gathering materials is dosed to mixes pot, with the two group Weighings of modified epoxy A, B, be promoted to and mix pot, dry mixing 10s to be gathered materials pours sizing material wet-mixing 60s into.Compound is directly put into the haul truck and is transported to paver.
Step 2: pave.After modified epoxy bonding breakstone water-proof binding layer 3 was fixed, with the modified epoxy mortar mixture that one or more paver full width paves and mixes and stirs, the speed of paving was controlled at 2-3m/min.The one car material time of paving was no more than 30min; Paving thickness adopts away equalizer bar or walks the piston shoes mode and control, and guarantees the thickness 10-30mm of cold mixing modified resin mortar mixture.
Step 3: roll.Road roller is followed paver and is rolled, and adopts the halo static pressure 1～2 time, more multiple the pressure adopts rubber tire to press 3-4 time; Roll and adopt segmentation to control, roll length consistent with the per car material length that paves, the every period of rolling is no more than 10～15min and rolls from low to high, immediately following pressing slowly; Roll and forbid the mixed liquid such as watering, diesel oil, used oil, unification to adopt vegetable oil as sticking-proof wheels oil in process, the brushing surface of tyre roller forms cold mixing modified epoxy mortar transition zone 2.
Wherein, the step of described asphalt-mastic-broken stone deck construction technology is:
Step 1: mix and stir transportation.In the central mix of stone mastic asphalt batching plant, compound is mixed 185-195 ℃ of appearance temperature.The 20t truck transport, haul compartment brushing interleaving agent covers the double-layer heat insulation paulin.
Step 2: pave.When paving, must there be the haulage vehicle more than 5 to wait before paver, just can carries out paving operation, must accomplish the pavers such as dumper, forbid the transport vehicles such as paver, the speed of service 2～3m/min of paver.Paving thickness adopts the Sonic Averaging System device to control, and this paver aggregate bin should not yet expose at scraper plate, during the thick heat material of the 10cm that still has an appointment, next dumper material of namely starting discharging is accomplished continuous feeding, and avoids coarse fodder to concentrate, accomplish that as far as possible paver does not hold together material, to reduce the surface layer segregation.
Step 3: roll.First use the steel roller static pressure 1-2 time, then press again 3-4 time with steel roller, eliminate wheelmark with steel roller at last, upper layer forbidding pneumatic-tired rollers roll.Can spray proper amount of clear water when rolling process need or contain the aqueous solution of interleaving agent, it is vaporific that sprinkling should be, and avoids too much water to enter in the space on stone mastic asphalt road surface, take sticking wheel as degree.Rolling order should be: to the center transition on half range road surface, when adopting the steel roller static pressure, the wheelmark of this steel roller answers overlapping 1/3-1/4 to roll width, forms asphalt-mastic-broken stone deck 1 gradually.
The 3rd embodiment:
See also Fig. 2, the bridge deck pavement structure of preferred embodiment of the present invention, the thickness of cold mixing modified epoxy mortar transition zone 2 is 15mm, the modified epoxy coating weight of modified epoxy bonding breakstone water-proof binding layer 3 is 1.0/m
2, the asphalt-mastic-broken stone deck can 2 be divided into two-layerly, and wherein the thickness of asphalt-mastic-broken stone deck 1B is 35mm, and the thickness of another asphalt-mastic-broken stone deck 1A is 25mm, and other structure is with embodiment 1.
When the asphalt-mastic-broken stone deck divides two-layer paving, when the thickness of upper layer asphalt-mastic-broken stone deck 1B of paving is 25mm, adopt the Sonic Averaging System device to control paving thickness, the thickness 35mm of the Sub asphalt-mastic-broken stone deck 1B that paves adopts tight-wire walking to control spreading evenness;
The employing steel roller of described upper layer asphalt-mastic-broken stone deck 1A is closelyed follow the paver static pressure 1～2 time, then press again 3～4 with steel roller, receive mark 1～2 time with steel roller again, upper layer asphalt-mastic-broken stone deck 1A forbidding pneumatic-tired rollers roll; The first pressing of described the Sub asphalt-mastic-broken stone deck 1B is closelyed follow the paver static pressure 1～2 time by steel roller, the multiple pressure rolled 3～4 times with pneumatic-tired rollers, the pneumatic-tired rollers wheelmark answers overlapping 1/3-1/2 to roll width, eliminates wheelmark with steel roller at last, 1～2 time.Other process implementing examples 1,2.
the above, it is only preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. bridge deck pavement structure that includes the stone matrix asphalt deck, it is characterized in that being provided with the modified epoxy bonding breakstone water-proof binding layer (3) with steel bridge deck (4) tight bond on described steel bridge deck (4), with modified epoxy bonding breakstone water-proof binding layer (3) close proximity be cold mixing modified epoxy mortar transition zone (2), with cold mixing modified epoxy mortar transition zone (2) close proximity be asphalt-mastic-broken stone deck (1).
2. bridge deck pavement structure according to claim 1 is characterized in that: wherein said modified epoxy bonding breakstone water-proof binding layer (3) is by the 0.8～1.2kg/m that is coated on steel bridge deck (4)
2Modified epoxy layer and to solidify in the nominal particle diameter of modified epoxy layer be that the rubble of 3～5mm is common consists of and steel bridge deck (4) the firmly modified epoxy bonding breakstone water-proof binding layer (3) that bonds provides and steel bridge deck (4) secure bond water-proof tack coat and coarse antiskid surface.
3. bridge deck pavement structure according to claim 1 is characterized in that: wherein said cold mixing modified epoxy mortar transition zone (2), formed by cold mixing modified epoxy mortar mixture, and thickness is 15～30mm, rubble nominal maximum aggregate size 5mm.
4. the described bridge deck pavement structure of any one according to claim 1-3, the thickness that it is characterized in that described asphalt-mastic-broken stone deck (1) is 30～60mm, nominal maximum aggregate size 10～13mm.
5. bridge deck pavement structure according to claim 4, is characterized in that described asphalt-mastic-broken stone deck (1) is one deck or two-layer.
6. the construction technology of bridge deck pavement structure according to claim 1, is characterized in that: comprise modified epoxy bonding breakstone water-proof binding layer construction technology, cold mixing modified epoxy mortar transition zone construction technology and asphalt-mastic-broken stone deck construction technology; Its sequence of construction is first to carry out the construction of modified epoxy bonding breakstone water-proof binding layer, then carries out the construction of cold mixing modified epoxy mortar transition zone, carries out at last the construction of asphalt-mastic-broken stone deck.
7. bridge deck pavement structure construction technology according to claim 6, is characterized in that, the step of described modified epoxy bonding breakstone water-proof binding layer construction technology is as follows:
Step 1: first clean steel bridge deck (4)
First remove attachment on steel bridge deck (4) top layer with steel brush, wipe off with scoop again and be attached to the lip-deep thicker grease of steel bridge deck (4), then remove with cleaning agent the part that steel bridge deck (4) part is subjected to oil pollution, make steel bridge deck (4) cleaning dry;
Step 2: then steel bridge deck (4) is carried out impeller blasting
With the parallel straight line of one or more shot-blasting machine continuous steel bridge deck (4) is carried out impeller blasting, through impeller blasting repeatedly after multipass, make steel bridge deck (4) show that cleannes reach the Sa2.5-3 level, roughness reaches 80-100 μ m, guarantees that surface of steel plate is without overlap, splash, pin hole, overlap and burr;
Step 3: be coated with again modified epoxy
At first at steel bridge deck (4) surface-coated one deck 0.8～1.2kg/m
2Modified epoxy; The coating modified epoxy must carry out in steel bridge deck eliminated rust 2 hours;
Step 4: then immediately on this modified epoxy layer evenly the spread nominal particle diameter be the rubble of 3～5mm, make those rubbles fully with this modified epoxy layer curing, the spread quantity Area Ratio of this rubble is 60%～85%, forms modified epoxy bonding breakstone water-proof binding layer (3).
8. the construction technology of bridge deck pavement structure according to claim 6, is characterized in that, the step of described cold mixing modified epoxy mortar transition zone construction technology is as follows:
Step 1: mix and stir transportation
Cold mixing modified epoxy mortar mixture comprises that two kinds of 0-3mm and 3-5mm gather materials, and A, B bi-component modified epoxy sizing material, the Weighing lifting respectively of gathering materials is dosed to mixes pot, with the two group Weighings of modified epoxy A, B, be promoted to and mix pot, dry mixing 10s to be gathered materials pours sizing material wet-mixing 60s into.Compound is directly put into the haul truck and is transported to paver;
Step 2: pave
After modified epoxy bonding breakstone water-proof binding layer (3) was fixed, with the modified epoxy mortar mixture that one or more paver full width paves and mixes and stirs, the speed of paving was controlled at 2-3m/min.The one car material time of paving was no more than 30min; Paving thickness adopts away equalizer bar or walks the piston shoes mode and control, and guarantees the thickness 10-30mm of cold mixing modified resin mortar mixture;
Step 3: roll
Road roller is followed paver and is rolled, and adopts the halo static pressure 1～2 time, more multiple the pressure adopts rubber tire to press 3-4 time; Roll and adopt segmentation to control, roll length consistent with the per car material length that paves, the every period of rolling is no more than 10～15min and rolls from low to high, immediately following pressing slowly; Roll and forbid the mixed liquid such as watering, diesel oil, used oil, unification to adopt vegetable oil as sticking-proof wheels oil in process, the brushing surface of tyre roller forms cold mixing modified epoxy mortar transition zone (2).
9. the construction technology of bridge deck pavement structure according to claim 6, is characterized in that, the step of described asphalt-mastic-broken stone deck construction technology is:
Step 1: mix and stir transportation
In the central mix of stone mastic asphalt batching plant, compound is mixed 185-195 ℃ of appearance temperature.The 20t truck transport, haul compartment brushing interleaving agent covers the double-layer heat insulation paulin.
Step 2: pave
When paving, must there be the haulage vehicle more than 5 to wait before paver, just can carry out paving operation, the pavers such as dumper must have been accomplished, forbid the transport vehicles such as paver, the speed of service 2～the 3m/min of paver, paving thickness adopts the Sonic Averaging System device to control, this paver aggregate bin should not yet expose at scraper plate, during the thick heat material of the 10cm that still has an appointment, and next dumper material of namely starting discharging, accomplish continuous feeding, and avoid coarse fodder to concentrate, accomplish that as far as possible paver does not hold together material, to reduce the surface layer segregation;
Step 3: roll
First use the steel roller static pressure 1-2 time, press again 3-4 time with steel roller again, eliminate wheelmark with steel roller at last, upper layer forbidding pneumatic-tired rollers roll, can spray proper amount of clear water when rolling process need or contain the aqueous solution of interleaving agent, it is vaporific that sprinkling should be, and avoids too much water to enter in the space on stone mastic asphalt road surface, take not sticking wheel as degree; Rolling order should be: to the center transition on half range road surface, when adopting the steel roller static pressure, the wheelmark of this steel roller answers overlapping 1/3-1/4 to roll width, forms asphalt-mastic-broken stone deck (1) gradually.
10. the construction technology of bridge deck pavement structure according to claim 6, is characterized in that, described asphalt-mastic-broken stone deck construction technology, and step is:
Step 1: minute two-layer paving
When dividing two-layer paving, the upper layer thickness of asphalt-mastic-broken stone deck (1) of paving adopts the Sonic Averaging System device to control paving thickness, and the Sub thickness of the asphalt-mastic-broken stone deck (1) that paves adopts tight-wire walking to control spreading evenness;
Step 2: then roll
The upper layer of described asphalt-mastic-broken stone deck (1) adopts steel roller to closely follow the paver static pressure 1～2 time, then presses again 3～4 with steel roller, then receives mark 1～2 time with steel roller, and upper layer forbidding pneumatic-tired rollers roll; The first pressing of the Sub of described asphalt-mastic-broken stone deck (1) is closelyed follow the paver static pressure 1～2 time by steel roller, the multiple pressure rolled 3～4 times with pneumatic-tired rollers, the pneumatic-tired rollers wheelmark answers overlapping 1/3-1/2 to roll width, eliminates wheelmark with steel roller at last, 1～2 time.
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| CN103374882A (en) * | 2013-07-02 | 2013-10-30 | 华南理工大学 | Rigid pavement construction on steel deck and construction method thereof |
| CN103938513A (en) * | 2014-04-17 | 2014-07-23 | 上海陆桥市政工程有限公司 | Construction process of colored pavement epoxy non-slip wearing layer structure |
| CN105507153A (en) * | 2015-11-30 | 2016-04-20 | 任自放 | Steel bridge deck composite structure paving method |
| CN105803937A (en) * | 2016-04-07 | 2016-07-27 | 郑州市市政维护工程有限公司 | AC and epoxy structure layer composite steel bridge deck pavement construction technology and equipment |
| CN108797333A (en) * | 2018-06-14 | 2018-11-13 | 广州珠江黄埔大桥建设有限公司 | Combined steel bridge floor paving structure |
| 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 |
| CN110219240A (en) * | 2019-06-20 | 2019-09-10 | 安徽建开建设工程有限公司 | Bituminous epoxy paving steel bridge deck method |
| CN111005286A (en) * | 2019-11-28 | 2020-04-14 | 安徽省交通控股集团有限公司 | Whole car formula weighing equipment steel sheet mesa polymer of highway is compound to be paved structure |
| CN111705654A (en) * | 2020-07-03 | 2020-09-25 | 重庆市智翔铺道技术工程有限公司 | Steel bridge deck pavement structure transition layer |
| CN112301885A (en) * | 2020-10-23 | 2021-02-02 | 浙江毕姆项目管理有限公司 | Construction method of light steel bridge deck modified epoxy resin thin-layer anti-slip pavement layer |
| CN113403948A (en) * | 2021-04-26 | 2021-09-17 | 湖南省湘平路桥建设有限公司 | Novel pouring type construction method for modified asphalt concrete pavement of continuous steel box girder bridge deck |
| CN117107632A (en) * | 2023-08-26 | 2023-11-24 | 宁波天意卓越新材料科技有限公司 | Light-load traffic non-road steel bridge deck pavement structure and preparation method and application thereof |
| CN117211163A (en) * | 2023-08-26 | 2023-12-12 | 宁波天意卓越新材料科技有限公司 | Steel bridge deck pavement structure of non-motor vehicle lane and preparation method thereof |
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| CN103374882A (en) * | 2013-07-02 | 2013-10-30 | 华南理工大学 | Rigid pavement construction on steel deck and construction method thereof |
| CN103938513A (en) * | 2014-04-17 | 2014-07-23 | 上海陆桥市政工程有限公司 | Construction process of colored pavement epoxy non-slip wearing layer structure |
| CN105507153A (en) * | 2015-11-30 | 2016-04-20 | 任自放 | Steel bridge deck composite structure paving method |
| CN105803937A (en) * | 2016-04-07 | 2016-07-27 | 郑州市市政维护工程有限公司 | AC and epoxy structure layer composite steel bridge deck pavement construction technology and equipment |
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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 |
| CN110219240B (en) * | 2019-06-20 | 2021-05-25 | 安徽建开建设工程有限公司 | Epoxy asphalt steel bridge deck pavement method |
| CN110219240A (en) * | 2019-06-20 | 2019-09-10 | 安徽建开建设工程有限公司 | Bituminous epoxy paving steel bridge deck method |
| CN111005286A (en) * | 2019-11-28 | 2020-04-14 | 安徽省交通控股集团有限公司 | Whole car formula weighing equipment steel sheet mesa polymer of highway is compound to be paved structure |
| CN111705654A (en) * | 2020-07-03 | 2020-09-25 | 重庆市智翔铺道技术工程有限公司 | Steel bridge deck pavement structure transition layer |
| CN111705654B (en) * | 2020-07-03 | 2022-08-09 | 重庆市智翔铺道技术工程有限公司 | Steel bridge deck pavement structure transition layer |
| CN112301885A (en) * | 2020-10-23 | 2021-02-02 | 浙江毕姆项目管理有限公司 | Construction method of light steel bridge deck modified epoxy resin thin-layer anti-slip pavement layer |
| CN113403948A (en) * | 2021-04-26 | 2021-09-17 | 湖南省湘平路桥建设有限公司 | Novel pouring type construction method for modified asphalt concrete pavement of continuous steel box girder bridge deck |
| CN117107632A (en) * | 2023-08-26 | 2023-11-24 | 宁波天意卓越新材料科技有限公司 | Light-load traffic non-road steel bridge deck pavement structure and preparation method and application thereof |
| CN117211163A (en) * | 2023-08-26 | 2023-12-12 | 宁波天意卓越新材料科技有限公司 | Steel bridge deck pavement structure of non-motor vehicle lane and preparation method thereof |
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