CN102433836A - Composite material for repairing epoxy asphalt paved pothole and preparation method thereof - Google Patents

Composite material for repairing epoxy asphalt paved pothole and preparation method thereof Download PDF

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Publication number
CN102433836A
CN102433836A CN2011102672480A CN201110267248A CN102433836A CN 102433836 A CN102433836 A CN 102433836A CN 2011102672480 A CN2011102672480 A CN 2011102672480A CN 201110267248 A CN201110267248 A CN 201110267248A CN 102433836 A CN102433836 A CN 102433836A
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Prior art keywords
rubble
epoxy resin
layer
concrete
particle diameter
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Inventor
潘友强
张志祥
曹荣吉
张辉
张健
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Jiangsu Transportation Research Institute Co Ltd
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Jiangsu Transportation Research Institute Co Ltd
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Priority to CN2011102672480A priority Critical patent/CN102433836A/en
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Abstract

The invention discloses a composite material for repairing an epoxy asphalt paved pothole and a preparation method thereof. The composite material comprises a resin and gravel waterproof bonding layer, a concrete layer and a gravel seal layer, wherein the waterproof bonding layer is coated on the surface of the inner wall of the pothole and is formed by curing epoxy resins and gravels spread on the surfaces of the epoxy resins; the concrete layer is paved in the pothole and is formed by mixing and curing epoxy resins and aggregates; the gravel seal layer is coated on the surface of the concrete layer and is formed by curing epoxy resins and gravels spread on the surfaces of the epoxy resins; and the upper surface layer of the gravel seal layer is formed by exposed gravel parts cured in the epoxy resins. The composite material has the following advantages that: the composite material is a combined system, by utilizing the gravel seal layer, skid and wear can be effectively resisted and simultaneously the concrete layer and the seam paved by the original epoxy asphalt are well bonded closely to improve the waterproof property of the seam; and by utilizing the resin and gravel bonding layer, the bonding property of the concrete layer and the steel plate can be effectively improved and the waterproof property of the steel bridge deck pavement system can be improved to protect the steel plate from being corroded.

Description

A kind of epoxy asphalt pavement pit repairing is with composite material and preparation method thereof
Technical field
The present invention relates to a kind of epoxy asphalt pavement pit repairing with composite material and preparation method thereof.
Background technology
Epoxy asphalt pavement relies on its excellent performance, from domestic calendar year 2001 after the successful Application of yangtze river in nanjing two bridges, obtain promoting on the projects such as Jiang Daqiao, yangtze river in nanjing three bridges, the logical bridge of Soviet Union of making the best use of the advantages in profit in succession.According to statistics, a bridge adopts the bituminous epoxy paving steel bridge deck surplus in the of at present domestic existing 30, and the area of mating formation surpasses 500,000 m 2
Yet along with epoxy asphalt pavement in China's prolongation of service time, also there are the service condition of rainy climate in domestic in addition high temperature heavy load, southern area, more serious breakage has appearred in many epoxy asphalt pavements.Because bituminous epoxy is a thermosets, it is repaired the big shortcoming of difficulty and also comes out gradually.
In the at present domestic maintenance technology research to the epoxy asphalt pavement disease; Repairing technique research to the crack is many; And aspect the groove of repairing hole; Mainly be to adopt single structure such as general pitch class compound, mixture of epoxy resins and material to repair simply, the water resistance on the surface that causes mating formation, the dense water of seam can and the interlaminar bonding performance be difficult to the instructions for use that reaches domestic.Result of use after the reparation is also not fully up to expectations, and secondary just appears in the pit repairing that has after 1 year destroys, and just occurs secondary behind the part pit repairing even after a rainy season and destroys.
Summary of the invention
The objective of the invention is provides a kind of water resistance and the good composite material of interlaminar bonding performance in order to solve the defective in the existing epoxy asphalt pavement pit repairing.
In order to achieve the above object, the invention provides the sandwich that a kind of epoxy asphalt pavement pit repairing is used, this sandwich comprises water-proof tack coat, layer of concrete and crushed stone sealing; Said water-proof tack coat is coated said hole groove inner wall surface, is solidified with the rubble that is spread in epoxy resin surface by epoxy resin to form, and wherein the consumption of epoxy resin is 1~1.2kg/m 2, the rubble consumption is 1~1.5kg/m 2Said layer of concrete paves in the groove of said hole, and by the epoxy resin and mixing cured the forming of gathering materials, wherein epoxy resin is 7~8:100 with the weight ratio of gathering materials; Said crushed stone sealing is coated the layer of concrete surface, is solidified with the rubble that is spread in epoxy resin surface by epoxy resin to form, and wherein content of epoxy resin is 1~1.5kg/m 2, the rubble consumption is 1~1.5kg/m 2Said crushed stone sealing upper epidermis is the rubble exposed part that is solidificated in the epoxy resin.
The present invention also provides a kind of preparation method of above-mentioned composite material, may further comprise the steps:
(1) said hole groove that will be to be repaired is cleaned out;
(2) getting water-proof tack coat mixes, stirs with epoxy resin and curing compound;
(3) epoxy resin that mixes in the step (2) and curing compound are coated on hole groove inner wall surface equably, consumption is 1~1.2kg/m 2, form the sizing material surface;
(4) use rubble at the sizing material surface spreading water-proof tack coat that step (3) forms, said rubble consumption is 1~1.5kg/m 2
(5) getting layer of concrete mixes, stirs with epoxy resin and curing compound;
(6) epoxy resin that mixes in the step (5) and curing compound are mixed with gathering materials, and stir, wherein the gross weight of epoxy resin and curing compound is 7~8:100 with the weight ratio of gathering materials;
(7) with the layer of concrete mixture laying that mixes in the step (6) in hole groove to be repaired;
(8) with layer of concrete grinding compacting in the step (7) and leveling.
(9) get crushed stone sealing and mix, stir, form the epoxy resin sizing material with epoxy resin and curing compound;
(10) coat the layer of concrete surface with mixing the epoxy resin sizing material in the step (9), form seal, the consumption of epoxy resin is 1~1.5kg/m 2
(11) the seal surface spreading one deck rubble that in step (10), forms makes it to solidify with the epoxy resin sizing material, finally forms crushed stone sealing; The spreading amount of said rubble is 1~1.5kg/m 2Said crushed stone sealing gross thickness is 1~2mm; Said crushed stone sealing upper epidermis is the rubble exposed part that is solidificated in the epoxy resin.
Further improvement of the present invention is: in the above-mentioned water-proof tack coat, rubble is spread in uniform in epoxy resin surface, and its medium stone partly is embedded in the epoxy resin, and part is exposed at epoxy resin surface.Rubble adopts simple grain footpath basalt; Particle diameter accounts for below 5% of rubble gross weight greater than the rubble of 4.75mm in the rubble; Particle diameter accounts for below 5% of rubble gross weight less than the rubble of 2.36mm, and particle diameter accounts for below 1% of rubble gross weight less than the rubble of 0.075mm, and rubble is washing and oven dry as far as possible; And moisture content is less than 1%, and preferable particle size is 2.36~4.75mm; The preferred bisphenol A type epoxy resin of epoxy resin, the preferred amine curing agent of curing compound.
In the layer of concrete, the employing basaltic broken stone that gathers materials gathers materials and evenly mixes with epoxy resin.Aggregate grading is as shown in the table; Aggregate size is less than 13.2mm; Wherein particle diameter is greater than accounting for layer of concrete gathering materials of 9.5mm with gathering materials below 5% of gross weight; Particle diameter is less than accounting for layer of concrete gathering materials of 4.75mm with gathering materials 65%~85% of gross weight; Particle diameter is less than accounting for layer of concrete gathering materials of 2.36mm with gathering materials 50%~70% of gross weight, and particle diameter is less than accounting for layer of concrete gathering materials of 0.6mm with gathering materials 28%~40% of gross weight, and particle diameter is less than accounting for layer of concrete gathering materials of 0.075mm with gathering materials 7%~14% of gross weight; The preferred bisphenol A type epoxy resin of epoxy resin, the preferred amine curing agent of curing compound.
Aggregate grading in table 1 layer of concrete
Sieve aperture (mm) 13.2 9.5 4.75 2.36 0.6 0.075
The upper limit (%) 100 100 85 70 40 14
Lower limit (%) 100 95 65 50 28 7
In the crushed stone sealing, rubble is spread in uniform in epoxy resin surface, and its medium stone partly is embedded in the epoxy resin, and part is exposed at epoxy resin surface.Rubble adopts simple grain footpath basalt; Particle diameter accounts for below 5% of rubble gross weight greater than the rubble of 1.18mm in the rubble; Particle diameter accounts for below 5% of rubble gross weight less than the rubble of 0.6mm, and particle diameter accounts for below 1% of rubble gross weight less than the rubble of 0.075mm, and rubble is washing and oven dry as far as possible; And moisture content is less than 1%, and preferable particle size is 0.6~1.18mm; The preferred bisphenol A type epoxy resin of epoxy resin, the preferred amine curing agent of curing compound.
The present invention compares prior art and has the following advantages:
1, adopts water-proof tack coat, rely on the high bond strength of epoxy resin and steel plate, can make well and mat formation and steel plate forms an integral body, cooperative bearing; Rely on simultaneously to epoxy resin surface spreading simple grain footpath rubble; Make rubble partly be mounted in the resin; Part is exposed at resin surface, treat that it solidifies after, the rough surface that the epoxy macadam relies on exposed rubble to form increases the contact surface of mating formation with the upper strata layer of concrete; Improve interlaminar bonding intensity, especially shear strength;
2, adopt crushed stone sealing, rely on the high strength of epoxy resin self and the high bond strength of mating formation thereof, can form integral body, bear vehicular load with layer of concrete with layer of concrete; To epoxy resin surface spreading simple grain footpath rubble, make rubble partly be mounted in the resin simultaneously, part is exposed at resin surface, treat that it solidifies after, the rough surface that crushed stone sealing relies on exposed rubble to form can improve the cling property of former epoxy asphalt pavement; Rely on the epoxy resin in the crushed stone sealing high osmosis can, can carry out the seam of layer of concrete and former epoxy asphalt pavement closely knit well bonding, the water resistance of raising seam.
The specific embodiment
Below in conjunction with embodiment epoxy asphalt pavement pit repairing of the present invention is elaborated with composite material and preparation method thereof.
The material preferred embodiment
For the difficult problem that solves the epoxy asphalt pavement pit repairing, improve the new and old seam of mating formation adhesive property, improve and mat formation and the adhesive property of steel plate, improve the endurance quality of mating formation; And improving the water resistance and the cling property of mating formation, the present invention at first screens rings of material epoxy resins and rubble.
1, water-proof tack coat is used the epoxide resin material performance requirement:
(1) self tension, flexural strength are high, high with the adhesion strength of steel plate, epoxy asphalt concrete, can form integral body with steel plate, and good compatibility of deformation property is arranged;
(2) fracture elongation is higher, can adapt to the stretching strain that vehicle effect lower steel plate surface produces well, and is not easy to crack;
(3) resistance to elevated temperatures is good, requires the epoxy resin can be under 70 ℃ of conditions of high temperature, meets the demands with the adhesive property of steel plate;
(4) hardening time moderate, certain construction workability is arranged, according to the open requirement of traffic; Select the epoxy resin of different hardening times for use; Such as will satisfying same day construction, the same day open to traffic requirement, the normal temperature cure time that requires rubble epoxy resin is about 3~5h;
The requirement of table 2 water-proof tack coat main performance
Pilot project Unit Technical requirements Test method
Hot strength (25 ℃) MPa ≥10 GB/T 528
Elongation at break (25 ℃) % ≥15 GB/T 528
Pull strength (25 ℃) (with steel plate) MPa ≥15 Pull-out test
Pull strength (70 ℃) (with steel plate) MPa ≥3 Pull-out test
Pull strength (25 ℃) (with epoxy asphalt concrete) MPa ≥12 Pull-out test
Pull strength (70 ℃) (with epoxy asphalt concrete) MPa ≥3 Pull-out test
Hardening time (25 ℃) h Satisfy the traffic requirement Pull-out test
Viscosity (25 ℃) ? Be suitable for striking off, do not trickle ?
According to above requirement; Filter out the optimal ring epoxy resins: said epoxy resin adopts the normal temperature cure system; General epoxy resin is bisphenol type epoxy, and normal temperature cure agent type is an amine curing agent, and epoxy resin mixes according to each producer's explanation with the curing compound ratio.Such as model is homemade epoxy resin and the curing compound of Epoxy resin-18.
2, water-proof tack coat requires with rubble:
(1) rubble adopts basaltic broken stone, and rubble will sieve, and wherein each square hole screen percent of pass reaches following standard respectively, washing and oven dry as far as possible, and moisture content is less than 1%;
The particle diameter requirement of table 3 water-proof tack coat metaling
Sieve aperture/mm Percent of pass/%
4.75 Greater than 95
2.36 Less than 5
0.075 Less than 1
(2) the rubble application rate reaches basically and is abound with 80% of area, and the rubble cleaning that will not solidify at epoxy resin surface.
According to above requirement, choosing particle diameter is 2.36 4.75mm simple grain footpath basaltic broken stone, be 1~1.2kg/m at the consumption of epoxy resin 2Condition under, spreading amount is 1~1.5kg/m 2, its application rate is reached basically is abound with 80% of area.
3, crushed stone sealing is used the epoxide resin material performance requirement:
(1) self tension, flexural strength are high, high with the adhesion strength of steel plate, can mat formation with epoxy resin concrete to form wholely, and good compatibility of deformation property is arranged;
(2) fracture elongation is higher, can adapt to the stretching strain that the surface of mating formation under the vehicle effect produces well, and is not easy to crack;
(3) resistance to elevated temperatures is good, requires the epoxy resin can be under 70 ℃ of conditions of high temperature, and self performance, the adhesive property of mating formation with epoxy resin concrete meet the demands;
(4) hardening time moderate, according to the open requirement of traffic, select the epoxy resin of different hardening times for use, such as will satisfying construction on the same day, the same day open to traffic requirement, the normal temperature cure time that requires rubble epoxy resin is about 3~5h;
(5) permeance property is good, requires epoxy resin to have higher permeability, can make the mat formation microcrack and the new and old seam of mating formation on surface of cold mixing epoxy resin concrete more closely knit, and bonding firmly.
(6) modest viscosity is not trickled during construction, is prone to strike off.
(7) the anti-ultraviolet aging ability is strong, guarantees crushed stone sealing under solar radiation, and the performance degradation amplitude is little, does not influence the pavement performance of wearing layer.
Table 4 crushed stone sealing is with the requirement of epoxy resin main performance
Pilot project Unit Technical requirements Test method
Hot strength (25 ℃) MPa ≥10 GB/T 528
Elongation at break (25 ℃) % ≥30 GB/T 528
Pull strength (25 ℃) (with epoxy resin concrete) MPa ≥8 Pull-out test
Pull strength (70 ℃) (with epoxy resin concrete) MPa ≥1.5 Pull-out test
Hardening time (25 ℃) h Satisfy the traffic requirement Pull-out test
Permeability (25 ℃) cm ≥1 The encapsulating method
Viscosity (25 ℃) ? Be suitable for striking off, do not trickle ?
Ultraviolet ray ageing (outer 1 year of simulating chamber) hot strength is than (25 ℃) % ≥80 GB/T 528
Ultraviolet ray ageing (outer 1 year of simulating chamber) pull strength is than (25 ℃) (with steel plate) % ≥80 Pull-out test
Ultraviolet ray ageing (outer 1 year of simulating chamber) pull strength is than (25 ℃) (with epoxy asphalt concrete) % ≥80 Pull-out test
According to above requirement; Filter out the optimal ring epoxy resins: said epoxy resin adopts the normal temperature cure system; General epoxy resin is bisphenol type epoxy, and normal temperature cure agent type is an amine curing agent, and epoxy resin mixes according to each producer's explanation with the curing compound ratio.Such as homemade ER-18, ER-84.
4, crushed stone sealing requires with rubble:
(1) rubble adopts basaltic broken stone, and rubble will sieve, and wherein each square hole screen percent of pass reaches following standard respectively, washing and oven dry as far as possible, and moisture content is less than 1%;
The particle diameter requirement of table 5 crushed stone sealing building stones
Sieve aperture/mm Percent of pass/%
1.18 Greater than 95
0.6 Less than 5
0.075 Less than 1
(2) the rubble application rate reaches basically and is abound with 80% of area, and the rubble cleaning that will not solidify at epoxy resin surface.
(3) abrasion resistance of rubble will be got well, and guarantees the rubble ultra-thin wearing layer under the wheel effect, and is not easy to wear.According to the abrasion test of the wet wheel of JTG T0752, the rubble antiskid wearing layer is tested, require rate of wear at 100g/m 2In.
According to above requirement, choosing particle diameter is 0.6 1.18mm simple grain footpath basaltic broken stone, be 1~1.5kg/m at the consumption of epoxy resin 2Condition under, spreading amount is 1~1.5kg/m 2, its application rate is reached basically is abound with 80% of area.
5, layer of concrete requires with epoxy resin and mixture performance:
(1) used epoxy resin modest viscosity is easy to mix, and good construction workability is arranged;
(2) used epoxy resin and the compound intensity height that gathers materials and form have the certain deformation performance;
(3) used epoxy resin has certain cryogenic property with the compound that forms that gathers materials;
(4) used epoxy resin is closely knit with the compound of the formation of gathering materials, and porosity is low;
The requirement of table 4 layer of concrete main performance
Pilot project Technical requirements Test method
Solidify back Marshall stability kN (70 ℃) ≥50 Hit reality 50 times
Flow valuve 0.1mm 20~50 T 0702-2000
Hit real porosity % 1~4 T 0702-2000
Rut dynamic stability/mm (70 ℃) ≥10000 T0719
Water stability: residual Marshall stability % ≥85 T0729
Freeze thawing diametral compression test retained strength compares % ≥80 T0729
-10 ℃ of low-temperature bending limiting strain * 10 -6 >2000×10 -6 T0728
Used epoxy resin viscosity Be easy to mix, pave ?
According to above requirement; Filter out the optimal ring epoxy resins and gather materials: said epoxy resin adopts the normal temperature cure system; General epoxy resin is bisphenol type epoxy, and normal temperature cure agent type is an amine curing agent, and epoxy resin mixes according to each producer's explanation with the curing compound ratio.Such as homemade ER-42.The said employing basaltic broken stone that gathers materials, grating satisfies the requirement of table 1.
Product embodiments
Extracting epoxy resin and curing compound thereof (like homemade Epoxy resin-18) mix according to 1:0.46, after stirring, according to 1~1.2kg/m 2Consumption coat steel plate and hole groove wall thereof in the groove of hole, be mainly the basaltic broken stone of 2.36~4.75mm simultaneously at resin surface spreading particle diameter, consumption 1~1.2kg/m 2, form water-proof tack coat;
Thereafter, extracting epoxy resin, curing compound (like homemade ER-42, ratio is 1:0.8); And the gathering materials (meeting the requirement of table 1) of certain grating; 7.5:100 mixes according to bitumen aggregate ratio, after stirring, paves on water-proof tack coat; And it is just flat to adopt vibrating rammer to carry out compacting, forms layer of concrete;
Then, extracting epoxy resin, curing compound (like homemade ER-84, ratio is 1:1) mix, and spill after stirring and are distributed in the layer of concrete surface, and spilling the cloth rate is 1~1.2kg/m 2, be the basaltic broken stone of 0.6~1.18mm at the main particle diameter of resin surface spreading simultaneously, consumption is 1~1.5kg/m 2, guarantee the surface and the former flush of mating formation of last crushed stone sealing, or mat formation a little more than former, guarantee that simultaneously the coated face of crushed stone sealing comprises the new and old seam of mating formation.

Claims (10)

1. an epoxy asphalt pavement pit repairing is used composite material, it is characterized in that: said composite material comprises water-proof tack coat, layer of concrete and crushed stone sealing; Said water-proof tack coat is coated said hole groove inner wall surface, is solidified with the rubble that is spread in epoxy resin surface by epoxy resin to form, and wherein the consumption of epoxy resin is 1~1.2kg/m 2, the rubble consumption is 1~1.5kg/m 2Said layer of concrete paves in the groove of said hole, and by the epoxy resin and mixing cured the forming of gathering materials, wherein epoxy resin is 7~8:100 with the weight ratio of gathering materials; Said crushed stone sealing is coated the layer of concrete surface, is solidified with the rubble that is spread in epoxy resin surface by epoxy resin to form, and wherein content of epoxy resin is 1~1.5kg/m 2, the rubble consumption is 1~1.5kg/m 2Said crushed stone sealing upper epidermis is the rubble exposed part that is solidificated in the epoxy resin.
2. epoxy asphalt pavement pit repairing according to claim 1 is used composite material; It is characterized in that: said water-proof tack coat accounts for water-proof tack coat with below 5% of rubble gross weight with particle diameter in the rubble greater than the rubble of 4.75mm; Particle diameter accounts for water-proof tack coat with below 5% of rubble gross weight less than the rubble of 2.36mm, and particle diameter accounts for water-proof tack coat with below 1% of rubble gross weight less than the rubble of 0.075mm.
3. epoxy asphalt pavement pit repairing according to claim 1 is used composite material; It is characterized in that: said layer of concrete with aggregate size less than 13.2mm; Wherein particle diameter is greater than accounting for layer of concrete gathering materials of 9.5mm with gathering materials below 5% of gross weight, and particle diameter is less than accounting for layer of concrete gathering materials of 0.075mm with gathering materials below 14% of gross weight.
4. epoxy asphalt pavement pit repairing according to claim 1 is used composite material; It is characterized in that: said crushed stone sealing accounts for crushed stone sealing with below 5% of rubble gross weight with particle diameter in the rubble greater than the rubble of 1.18mm; Particle diameter accounts for crushed stone sealing with below 5% of rubble gross weight less than the rubble of 0.6mm, and particle diameter accounts for crushed stone sealing with below 1% of rubble gross weight less than the rubble of 0.075mm.
5. epoxy asphalt pavement pit repairing according to claim 1 is used composite material, it is characterized in that: said rubble adopts simple grain footpath basalt, the said employing basaltic broken stone that gathers materials.
6. epoxy asphalt pavement pit repairing according to claim 1 is used composite material, it is characterized in that: said epoxy resin is bisphenol A type epoxy resin, solidifies to adopt amine curing agent.
7. an epoxy asphalt pavement pit repairing is characterized in that may further comprise the steps with the preparation method of composite material:
(1) said hole groove that will be to be repaired is cleaned out, and steel plate is carried out processing of rust removing, and reach related request;
(2) getting water-proof tack coat mixes, stirs with epoxy resin and curing compound;
(3) epoxy resin that mixes in the step (2) and curing compound are coated on hole groove inner wall surface equably, consumption is 1~1.2kg/m 2, form the sizing material surface;
(4) use rubble at the sizing material surface spreading water-proof tack coat that step (3) forms, said rubble consumption is 1~1.5kg/m 2
(5) getting layer of concrete mixes, stirs with epoxy resin and curing compound;
(6) epoxy resin that mixes in the step (5) and curing compound are mixed with gathering materials, and stir, wherein the gross weight of epoxy resin and curing compound is 7~8:100 with the weight ratio of gathering materials;
(7) with the layer of concrete mixture laying that mixes in the step (6) in hole groove to be repaired;
(8) with layer of concrete grinding compacting in the step (7) and leveling;
(9) get crushed stone sealing and mix, stir, form the epoxy resin sizing material with epoxy resin and curing compound;
(10) coat the layer of concrete surface with mixing the epoxy resin sizing material in the step (9), form seal, the consumption of epoxy resin is 1~1.5kg/m 2
(11) the seal surface spreading one deck rubble that in step (10), forms makes it to solidify with the epoxy resin sizing material, finally forms crushed stone sealing; The spreading amount of said rubble is 1~1.5kg/m 2Said crushed stone sealing gross thickness is 1~2mm; Said crushed stone sealing upper epidermis is the rubble exposed part that is solidificated in the epoxy resin.
8. according to the said preparation method of claim 7; It is characterized in that: said water-proof tack coat accounts for water-proof tack coat with below 5% of rubble gross weight with particle diameter in the rubble greater than the rubble of 4.75mm; Particle diameter accounts for water-proof tack coat with below 5% of rubble gross weight less than the rubble of 2.36mm, and particle diameter accounts for water-proof tack coat with below 1% of rubble gross weight less than the rubble of 0.075mm; Said layer of concrete is with the employing basaltic broken stone that gathers materials; Ballast grain sizes is less than 13.2mm; Wherein particle diameter accounts for layer of concrete with below 5% of rubble gross weight greater than the rubble of 9.5mm; Particle diameter accounts for layer of concrete with 65%~85% of rubble gross weight less than the rubble of 4.75mm; Particle diameter accounts for layer of concrete with 50%~70% of rubble gross weight less than the rubble of 2.36mm, and particle diameter accounts for layer of concrete with 28%~40% of rubble gross weight less than the rubble of 0.6mm, and particle diameter accounts for layer of concrete with 7%~14% of rubble gross weight less than the rubble of 0.075mm; Said crushed stone sealing accounts for crushed stone sealing with below 5% of rubble gross weight with particle diameter in the rubble greater than the rubble of 1.18mm; Particle diameter accounts for crushed stone sealing with below 5% of rubble gross weight less than the rubble of 0.6mm, and particle diameter accounts for crushed stone sealing with below 1% of rubble gross weight less than the rubble of 0.075mm; Said rubble is all washed oven dry, and moisture content is less than 1%.
9. according to the said preparation method of claim 7, it is characterized in that: said water-proof tack coat adopts simple grain footpath basalt with rubble and crushed stone sealing with rubble.
10. according to the said preparation method of claim 7, it is characterized in that: said epoxy resin is bisphenol A type epoxy resin, and curing compound is an amine curing agent.
CN2011102672480A 2011-09-09 2011-09-09 Composite material for repairing epoxy asphalt paved pothole and preparation method thereof Pending CN102433836A (en)

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CN111364312A (en) * 2020-03-17 2020-07-03 江苏中路工程技术研究院有限公司 Preparation method of prefabricated casting type asphalt repair material
CN112482250A (en) * 2020-11-24 2021-03-12 江苏致信桥梁检测与维修加固有限公司 Bridge crack repairing method

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李星星: "钢桥面铺装中的环氧树脂胶粘剂及环氧树脂混凝土研究", 《中国优秀硕士学位论文全文数据库•工程科技II辑》 *
李星星: "钢桥面铺装中的环氧树脂胶粘剂及环氧树脂混凝土研究", 《中国优秀硕士学位论文全文数据库•工程科技II辑》, no. 2, 17 January 2011 (2011-01-17), pages 61 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364312A (en) * 2020-03-17 2020-07-03 江苏中路工程技术研究院有限公司 Preparation method of prefabricated casting type asphalt repair material
CN112482250A (en) * 2020-11-24 2021-03-12 江苏致信桥梁检测与维修加固有限公司 Bridge crack repairing method

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