[go: up one dir, main page]

CN112779835B - Anti-reflection crack road surface structure based on flexible transformation of rigid road surface - Google Patents

Anti-reflection crack road surface structure based on flexible transformation of rigid road surface Download PDF

Info

Publication number
CN112779835B
CN112779835B CN202011629698.5A CN202011629698A CN112779835B CN 112779835 B CN112779835 B CN 112779835B CN 202011629698 A CN202011629698 A CN 202011629698A CN 112779835 B CN112779835 B CN 112779835B
Authority
CN
China
Prior art keywords
layer
asphalt
pavement
modified
crack
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.)
Active
Application number
CN202011629698.5A
Other languages
Chinese (zh)
Other versions
CN112779835A (en
Inventor
季晓丽
李熙
钟世云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Liyang Road Reinforcement Technology Co ltd
Tongji University
Original Assignee
Shanghai Liyang Road Reinforcement Technology Co ltd
Tongji University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Liyang Road Reinforcement Technology Co ltd, Tongji University filed Critical Shanghai Liyang Road Reinforcement Technology Co ltd
Priority to CN202011629698.5A priority Critical patent/CN112779835B/en
Publication of CN112779835A publication Critical patent/CN112779835A/en
Application granted granted Critical
Publication of CN112779835B publication Critical patent/CN112779835B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/32Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • E01C7/325Joining different layers, e.g. by adhesive layers; Intermediate layers, e.g. for the escape of water vapour, for spreading stresses
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/006Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/16Reinforcements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

本发明公开了一种基于刚性路面柔性化改造的抗反射裂缝路面结构,包括从上到下依次设置的细粒式改性沥青混凝土层、粗粒式改性沥青混凝土层、沥青改性地聚合物应力吸收层、改性地聚合物抗裂层和混凝土板块,所述改性地聚合物抗裂层覆盖在所述混凝土板块接缝处。本发明提供的基于刚性路面柔性化改造的抗反射裂缝路面结构,沥青改性地聚合物应力吸收层成型后密实、粘结力强、不渗水,与水泥混凝土和沥青面层之间的结合性能良好,能随着基层的变形而变形,并且具有优良的自愈能力,从而消除了传统水泥路面“白改黑”的反射裂缝,减少了板块接缝带来的沥青路面病害,延长道路使用寿命,增加行车舒适性。

Figure 202011629698

The invention discloses an anti-reflection crack pavement structure based on the flexible transformation of rigid pavement, which comprises a fine-grained modified asphalt concrete layer, a coarse-grained modified asphalt concrete layer, and an asphalt modified ground polymer which are arranged in sequence from top to bottom. A physical stress absorbing layer, a modified geopolymer anti-crack layer and a concrete slab, the modified geopolymer anti-crack layer covers the joint of the concrete slab. The anti-reflection crack pavement structure based on the flexible transformation of the rigid pavement provided by the present invention, the asphalt modified geopolymer stress absorbing layer is compact after forming, has strong cohesion, is impermeable to water, and has the bonding performance between the cement concrete and the asphalt surface layer. Good, can be deformed with the deformation of the base layer, and has excellent self-healing ability, thus eliminating the "white to black" reflection cracks of traditional cement pavement, reducing asphalt pavement diseases caused by plate joints, and prolonging the service life of the road. , increase driving comfort.

Figure 202011629698

Description

Anti-reflection crack road surface structure based on flexible transformation of rigid road surface
Technical Field
The invention relates to a pavement structure, in particular to an anti-reflection crack pavement structure based on flexible transformation of a rigid pavement.
Background
Along with economic development and urbanization progress, the highway industry gradually makes a rigid pavement flexible, namely, an original cement concrete pavement is reformed into an asphalt concrete pavement, so that the effects of environmental protection, dust prevention, noise reduction and driving comfort increase are achieved. Compared with the original concrete pavement, the adhesion between the road pavement which is changed into black from white and the tires is enhanced, the braking performance of the vehicle in the emergency treatment is greatly improved, and the vehicle is safer and more stable to run; the noise generated in the running process of the vehicle is greatly reduced, and the noise reduction device plays an important role in reducing the urban noise; the black asphalt pavement has better dust absorption performance and can effectively absorb the raised dust in the running process of the vehicle, thereby improving the air quality of shops and residential houses at two sides of a street and improving the quality of beautifying the urban environment.
At present, most of 'white to black' projects adopt a construction method of directly paving an asphalt surface layer on a concrete plate pavement, and reflection cracks are the most common problems and can bring adverse effects on pavement performance and durability. Firstly, the water resistance of a pavement structure is reduced, and the foundation is damaged by rain wash; secondly, the discontinuous pavement slab structure can increase the deformation of the pavement under the load of the traveling crane; thirdly, the stability of the road structure is reduced, and the driving comfort is influenced.
Therefore, it is necessary to provide an anti-reflective crack pavement structure based on a modified geopolymer material applied to the flexible modification of a rigid pavement, aiming at the problem of diseases such as reflective cracks frequently occurring in the flexible modification engineering of a concrete rigid pavement. The invention provides an anti-reflection crack pavement structure based on a modified geopolymer material and applied to flexible transformation of a rigid pavement, and an epoxy resin modified geopolymer material.
Disclosure of Invention
The invention aims to solve the technical problem of providing an anti-reflection crack pavement structure based on flexible transformation of a rigid pavement, which has good mechanical property and durability, can eliminate the reflection cracks of changing white into black on the traditional cement pavement, reduces asphalt pavement diseases caused by plate joints, prolongs the service life of the pavement and increases the driving comfort.
The invention provides an anti-reflection crack pavement structure based on flexible transformation of a rigid pavement, which comprises a fine particle type modified asphalt concrete layer, a coarse particle type modified asphalt concrete layer, an asphalt modified geopolymer stress absorption layer, a modified geopolymer anti-crack layer and a concrete plate, wherein the fine particle type modified asphalt concrete layer, the coarse particle type modified asphalt concrete layer, the asphalt modified geopolymer stress absorption layer, the modified geopolymer anti-crack layer and the concrete plate are sequentially arranged from top to bottom, and the modified geopolymer anti-crack layer covers the joint of the concrete plate.
Furthermore, the modified geopolymer anti-cracking layer comprises a three-layer structure which is sequentially provided with an asphalt modified geopolymer layer, graphite carbon fiber cloth and an epoxy resin modified geopolymer layer from top to bottom.
Furthermore, the monofilament diameter of the graphite carbon fiber cloth is 8-10 microns, the tensile strength of the mesh cloth formed by the graphite carbon fibers is 6000-8000 MPa, the tensile elastic modulus is 300-400 GPa, and the elongation is 1.5-2.0%.
Further, the thickness of the stress absorption layer of the asphalt modified geopolymer is 2-3 cm, and the stress absorption layer comprises the following components in parts by weight:
Figure BDA0002875939780000021
further, the metakaolin is formed by dehydrating kaolin at the temperature of 800-850 ℃, and the mesh number is 600-800 meshes; the mesh number of the steel slag powder is 400 meshes; the mesh number of the quartz powder is 200 meshes; the sodium silicate is sodium silicate with the modulus of 1.2-1.4 and the solid content of 40%; the length of the polyvinyl alcohol fiber is 9mm, the diameter of the polyvinyl alcohol fiber is 15-30 mu m, the tensile strength of the polyvinyl alcohol fiber is 1200-1500 MPa, and the elongation at break of the polyvinyl alcohol fiber is 8-12%; the emulsified asphalt is cation emulsified asphalt, the solid content is 50%, and the elongation at break is 40%.
Further, the epoxy resin modified polymer layer comprises the following components in parts by weight:
Figure BDA0002875939780000022
further, the zeolite powder is 400-600 meshes; the low-calcium fly ash is first-grade fly ash with 5-6% of calcium content; the sodium silicate is sodium silicate with the modulus of 1.2-1.4 and the solid content of 40%; the waterborne epoxy resin is prepared from emulsion and a curing agent according to the proportion of 1:0.8, the solid content of the emulsion is 50-55%, and the viscosity is 1000-2000 MPa s; the curing agent contains 50% of effective components, and has a viscosity of 2000-3000 MPa s.
Furthermore, the 7d flexural strength of the modified geopolymer anti-cracking layer is 20-25 MPa, and the 7d tensile bonding strength is 6-8 MPa.
Compared with the prior art, the invention has the following beneficial effects: the reflection crack resistant pavement structure based on flexible transformation of the rigid pavement, provided by the invention, has the advantages of compactness, strong bonding force, no water seepage after the asphalt modified geopolymer is subjected to stress absorption forming, good bonding performance with cement concrete and an asphalt surface layer, deformation along with deformation of a base layer and excellent self-healing capability. The asphalt modified geopolymer stress absorbing layer improves the cohesiveness of asphalt and cement concrete, and absorbs and improves the stability and durability of a pavement structure. The modified geopolymer anti-cracking layer has a three-layer structure, and the epoxy resin modified geopolymer material slurry on the lower layer can freely permeate into and fill gaps of concrete slabs, so that the stability of the original concrete slabs is improved. Through the construction of the modified geopolymer anti-cracking layer at the joint of the concrete plate, the occurrence of reflection cracks at the gap position of the road surface plate changed from white to black is delayed or even eliminated.
Drawings
FIG. 1 is a schematic structural diagram of an anti-reflective cracked pavement based on flexible transformation of a rigid pavement in an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a modified polymer anti-cracking layer according to an embodiment of the present invention.
In the figure:
1-1 fine particle type modified asphalt concrete layer; 1-2 coarse grain type modified asphalt concrete layer; 3 asphalt modified geopolymer stress absorbing layer; 2 modified geopolymer anti-cracking layer; 4, concrete plate; 5, original pavement base course and roadbed; 6 concrete slab clearance; 2-1 an asphalt-modified geopolymer layer; 2-2 of graphite carbon fiber cloth; 2-3 epoxy resin modified polymer layer.
Detailed Description
The invention is further described below with reference to the figures and examples.
Fig. 1 is a schematic structural diagram of an anti-reflection crack pavement based on flexible transformation of a rigid pavement in the embodiment of the invention.
Please refer to fig. 1; the reflection crack resisting pavement structure based on flexible transformation of the rigid pavement comprises a fine particle type modified asphalt concrete layer 1-1, a coarse particle type modified asphalt concrete layer 1-2, an asphalt modified geopolymer stress absorption layer 3, a modified geopolymer anti-cracking layer 2, a concrete plate 4, an original pavement base layer and roadbed 5 and a concrete plate block gap 6 which are sequentially arranged from top to bottom.
The modified geopolymer material is applied to an anti-reflection crack pavement structure transformed by rigid pavement flexibility, and the modified geopolymer anti-crack layer 2 is 10cm in width and 5mm in thickness and is divided into three layers. The 7d flexural strength is 20-25 MPa, and the 7d tensile bonding strength is 6-8 MPa.
As shown in fig. 2, the device sequentially comprises, from top to bottom: 2-1 of asphalt modified geopolymer layer with the thickness of 3mm, 2-2 of graphite carbon fiber cloth and 2-3 of epoxy resin modified geopolymer layer with the thickness of 2 mm. The 3mm asphalt modified geopolymer layer 2-1 and the asphalt modified geopolymer stress absorbing layer 3 are made of the same material, the cohesiveness and the compatibility of the two layers are good, and the tensile stress and the shear stress generated by the concrete slab block gap 6 can be effectively eliminated by being compounded with the graphite carbon fiber cloth 2-2; the 2-3 cm epoxy resin modified polymer layer has good fluidity, and can penetrate into the gaps 6 of the concrete slabs to fill and bond adjacent slabs, and can be well adhered to the surfaces of the concrete slabs, and has high mechanical property. The anti-cracking layer with the three-layer structure acts on the joint position of the original concrete plate, so that the reflection crack caused by the plate gap can be effectively eliminated and delayed, and the waterproof performance of the pavement is improved.
The asphalt modified geopolymer stress absorption layer 3 provided by the invention has the thickness of 2-3 cm, and has the performance characteristics of high ductility, high compactness, excellent mechanical property and cohesiveness, good waterproofness and good self-healing property. The formulation of the asphalt modified geopolymer material comprises:
Figure BDA0002875939780000041
the material of the epoxy resin modified geopolymer layer 2-3 provided by the invention has high mechanical property, good fluidity and permeability and good bonding property with cement concrete. The formula comprises the following components:
Figure BDA0002875939780000042
Figure BDA0002875939780000051
the use method comprises the following steps: epoxy resin modified geopolymer material slurry with the thickness of 2mm is spread and spread at the joint of the original concrete plate, and meanwhile, the slurry freely permeates into and fills gaps between the plates. Laying a layer of graphite carbon fiber cloth before the epoxy resin modified geopolymer slurry is initially solidified, and then spreading asphalt modified geopolymer slurry with the thickness of 3mm on the graphite carbon fiber cloth. And after the whole surface of the modified geopolymer anti-cracking layer is dried and cured, sequentially paving an asphalt modified geopolymer stress absorption layer with the thickness of 2cm, a coarse grain type modified asphalt concrete layer with the thickness of 6cm and fine grain type modified asphalt concrete with the thickness of 4 cm.
The anti-reflection crack pavement structure based on the modified geopolymer material applied to the flexible transformation of the rigid pavement is characterized in that the monofilament diameter of 2-2 of the graphite carbon fiber cloth is 8-10 mu m, the tensile strength of the mesh cloth formed by the graphite carbon fiber is 6000-8000 MPa, the tensile elastic modulus is 300-400 Gpa, and the elongation is 1.5-2.0%.
The asphalt modified geopolymer material is characterized in that the metakaolin is formed by dehydrating kaolin at the temperature of 800-850 ℃, and the mesh number is 600-800 meshes; the mesh number of the steel slag powder is 400 meshes; the mesh number of the quartz powder is 200 meshes; the sodium silicate has the modulus of 1.2-1.4 and the solid content of 40%.
Preferably, the length of the polyvinyl alcohol fiber is 12mm, the diameter is 15-30 μm, the tensile strength is 1200-1500 MPa, and the elongation at break is 8-12%; the emulsified asphalt is cation emulsified asphalt, the solid content of the emulsified asphalt is 50%, and the elongation at break of the emulsified asphalt is 40%.
In the epoxy resin modified geopolymer material, the zeolite powder is 400-600 meshes; the low-calcium fly ash is first-grade fly ash with 5-6% of calcium content; the sodium silicate has the modulus of 1.2-1.4 and the solid content of 40%; the waterborne epoxy resin is prepared from emulsion and a curing agent according to the proportion of 1:0.8, the solid content of the emulsion is 50-55%, and the viscosity is 1000-2000 MPa s; the curing agent contains 50% of effective components, and has a viscosity of 2000-3000 MPa s.
The modified geopolymer anti-cracking layer has the characteristic of high strength and crack resistance, the 7d rupture strength is 20-25 MPa, and the 7d tensile bonding strength is 6-8 MPa.
The reflection crack resisting pavement structure based on the modified geopolymer material applied to the flexible modification of the rigid pavement can effectively treat the plate gaps and reflection cracks caused by the plate gaps in the flexible modification engineering of the rigid pavement of cement concrete, and the concrete pavement is well combined with an asphalt surface layer. Can be applied to the reconstruction of highways and municipal roads, and improves the integrity and the aesthetic degree of the 'white to black' road surface.
While the invention has been described above with reference to preferred embodiments; however, it is not intended to limit the present invention; any person skilled in the art; without departing from the spirit and scope of the present invention; but is amenable to various modifications and enhancements; therefore, the protection scope of the present invention is defined by the claims.

Claims (6)

1.一种基于刚性路面柔性化改造的抗反射裂缝路面结构,其特征在于,包括从上到下依次设置的细粒式改性沥青混凝土层、粗粒式改性沥青混凝土层、沥青改性地聚合物应力吸收层、改性地聚合物抗裂层和混凝土板块,所述改性地聚合物抗裂层覆盖在所述混凝土板块接缝处;1. a kind of anti-reflection crack pavement structure based on the flexible transformation of rigid pavement, it is characterized in that, comprise the fine-grained type modified asphalt concrete layer, the coarse-grained type modified asphalt concrete layer, the asphalt modified asphalt concrete layer set successively from top to bottom a geopolymer stress absorbing layer, a modified geopolymer anti-crack layer and a concrete slab, the modified geopolymer anti-crack layer covering the joint of the concrete slab; 所述的改性地聚合物抗裂层包括三层结构,从上往下依次为沥青改性地聚合物层、石墨碳纤维布和环氧树脂改性地聚合物层;The modified geopolymer anti-cracking layer includes a three-layer structure, which are, from top to bottom, an asphalt-modified geopolymer layer, a graphite carbon fiber cloth and an epoxy resin-modified geopolymer layer; 所述的沥青改性地聚合物应力吸收层厚度为2~3cm,包含的组分及重量份数配比如下:The thickness of the asphalt-modified geopolymer stress absorbing layer is 2-3 cm, and the components and parts by weight are as follows:
Figure FDA0003464759590000011
Figure FDA0003464759590000011
2.如权利要求1所述的基于刚性路面柔性化改造的抗反射裂缝路面结构,其特征在于,所述的石墨碳纤维布单丝直径8~10μm,石墨碳纤维形成的网格布拉伸强度为6000~8000MPa,受拉弹性模量为300~400GPa,伸长率为1.5~2.0%。2 . The anti-reflection crack pavement structure based on the flexible transformation of rigid pavement according to claim 1 , wherein the monofilament diameter of the graphite carbon fiber cloth is 8-10 μm, and the tensile strength of the mesh cloth formed by the graphite carbon fiber is 2. 2 . 6000~8000MPa, the tensile elastic modulus is 300~400GPa, and the elongation is 1.5~2.0%. 3.如权利要求1所述的基于刚性路面柔性化改造的抗反射裂缝路面结构,其特征在于,所述的偏高岭土由高岭土在800~850℃温度下经脱水形成,目数为600~800目;所述的钢渣粉目数为400目;所述的石英粉目数为200目;所述的水玻璃是模数为1.2~1.4,固含量为40%的钠水玻璃;所述聚乙烯醇纤维长度为9mm,直径为15~30μm,抗拉强度为1200~1500MPa,断裂伸长率为8~12%;所述的乳化沥青为阳离子乳化沥青,固含量为50%,断裂伸长率为40%。3. The anti-reflection crack pavement structure based on the flexible transformation of rigid pavement as claimed in claim 1, wherein the metakaolin is formed by dehydration of kaolin at a temperature of 800~850℃, and the mesh number is 600~800 The mesh number of the steel slag powder is 400 meshes; the mesh number of the quartz powder is 200 meshes; the water glass is sodium water glass with a modulus of 1.2-1.4 and a solid content of 40%; The vinyl alcohol fiber has a length of 9 mm, a diameter of 15 to 30 μm, a tensile strength of 1200 to 1500 MPa, and an elongation at break of 8 to 12%; the emulsified asphalt is a cationic emulsified asphalt, the solid content is 50%, and the elongation at break is 50%. The rate is 40%. 4.如权利要求1所述的基于刚性路面柔性化改造的抗反射裂缝路面结构,其特征在于,所述的环氧树脂改性地聚合物层包含的组分及重量份配比如下:4. The anti-reflection crack pavement structure based on the flexible transformation of rigid pavement as claimed in claim 1, wherein the epoxy resin modified geopolymer layer comprises the following components and proportions by weight:
Figure FDA0003464759590000012
Figure FDA0003464759590000012
Figure FDA0003464759590000021
Figure FDA0003464759590000021
5.如权利要求4所述的基于刚性路面柔性化改造的抗反射裂缝路面结构,其特征在于,所述的沸石粉为400~600目;所述的低钙粉煤灰为钙含量5~6%的一级粉煤灰;所述的水玻璃是模数为1.2~1.4,固含量为40%的钠水玻璃;所述的水性环氧树脂由乳液和固化剂按1:0.8比例配制,乳液固含量为50~55%,粘度为1000~2000MPa*s;固化剂有效成分含量为50%,粘度为2000~3000MPa*s。5 . The anti-reflection crack pavement structure based on the flexible transformation of rigid pavement according to claim 4 , wherein the zeolite powder is 400-600 mesh; the low-calcium fly ash has a calcium content of 5-600 mesh. 6 . 6% of first-class fly ash; the water glass is sodium water glass with a modulus of 1.2 to 1.4 and a solid content of 40%; the water-based epoxy resin is prepared by emulsion and curing agent in a ratio of 1:0.8 , the solid content of the emulsion is 50-55%, and the viscosity is 1000-2000MPa*s; the active ingredient content of the curing agent is 50%, and the viscosity is 2000-3000MPa*s. 6.如权利要求1所述的基于刚性路面柔性化改造的抗反射裂缝路面结构,其特征在于,所述改性地聚合物抗裂层的7d抗折强度为20~25MPa,7d拉伸粘结强度为6~8MPa。6 . The anti-reflection crack pavement structure based on the flexible transformation of rigid pavement according to claim 1 , wherein the 7d flexural strength of the modified geopolymer crack resistance layer is 20-25 MPa, and the 7d tensile adhesion The knot strength is 6 to 8MPa.
CN202011629698.5A 2020-12-30 2020-12-30 Anti-reflection crack road surface structure based on flexible transformation of rigid road surface Active CN112779835B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011629698.5A CN112779835B (en) 2020-12-30 2020-12-30 Anti-reflection crack road surface structure based on flexible transformation of rigid road surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011629698.5A CN112779835B (en) 2020-12-30 2020-12-30 Anti-reflection crack road surface structure based on flexible transformation of rigid road surface

Publications (2)

Publication Number Publication Date
CN112779835A CN112779835A (en) 2021-05-11
CN112779835B true CN112779835B (en) 2022-03-22

Family

ID=75754641

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011629698.5A Active CN112779835B (en) 2020-12-30 2020-12-30 Anti-reflection crack road surface structure based on flexible transformation of rigid road surface

Country Status (1)

Country Link
CN (1) CN112779835B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115434207A (en) * 2022-10-13 2022-12-06 江苏长路智造科技有限公司 Reflection crack-free semi-rigid base pavement structure and construction method thereof
CN116514464B (en) * 2023-04-27 2024-10-11 重庆交通大学 Reflective cement mucilage and reflective semi-flexible pavement material
CN119797834B (en) * 2024-12-16 2025-08-29 中交一公局厦门工程有限公司 Application of a multi-layer composite reinforcement material and its preparation method in preventing and controlling reflective cracks in widened roadbed

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104119828A (en) * 2014-07-08 2014-10-29 福建山外山涂料科技开发有限公司 Production method and raw material formula of strongly-effective anticracking glue
CN108373277A (en) * 2018-03-13 2018-08-07 盐城工学院 A kind of epoxy resin roughening metakaolin based geopolymer and preparation method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2487141B1 (en) * 2011-02-11 2015-08-05 Services Pétroliers Schlumberger Self-adaptive cements
CN105648871B (en) * 2016-01-17 2018-08-21 重庆交通大学 Adhesive type waterproof treatment structure is isolated in room temperature construction type road table crack
CN206090214U (en) * 2016-10-13 2017-04-12 山西省交通科学研究院 Highway surface course splits subsides with resisting
CN207672360U (en) * 2017-12-13 2018-07-31 淄博市规划设计研究院 A kind of transformation asphalt pavement structure
CN207685618U (en) * 2017-12-13 2018-08-03 淄博市规划设计研究院 A kind of Old cement concrete transform asphalt pavement structure as
CN108360327A (en) * 2018-01-30 2018-08-03 沈阳工业大学 A durable new composite material subgrade pavement structure and construction method
CN110272237A (en) * 2019-07-17 2019-09-24 郑州大学 A kind of PVA fiber and steel fiber reinforced concrete

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104119828A (en) * 2014-07-08 2014-10-29 福建山外山涂料科技开发有限公司 Production method and raw material formula of strongly-effective anticracking glue
CN108373277A (en) * 2018-03-13 2018-08-07 盐城工学院 A kind of epoxy resin roughening metakaolin based geopolymer and preparation method thereof

Also Published As

Publication number Publication date
CN112779835A (en) 2021-05-11

Similar Documents

Publication Publication Date Title
CN112779835B (en) Anti-reflection crack road surface structure based on flexible transformation of rigid road surface
US9783940B2 (en) Structure and method of pavement on steel deck bridge
KR100818489B1 (en) Drainage and Low Noise Synthetic Road Pavement Construction with Conservative Substrate
CN211848904U (en) A composite pouring pavement structure
KR101439236B1 (en) The environment-friendly composition for soil pavement
CN105236891A (en) Flexible concrete for seam sealing
CN110593044A (en) A kind of sisal fiber reinforced cement-based composite pavement road
KR20130023928A (en) Grouting composition for semi-rigid asphalt concrete using geopolymer
CN204325919U (en) A kind of bridge deck pavement structure
CN117567870A (en) Polyurethane modified asphalt, paving structure and construction method thereof
CN107905099A (en) Drainage asphalt pavement structure suitable for paving steel bridge deck and preparation method thereof
CN111501466A (en) Method for paving full-asphalt pavement of large-particle-size stone-filling roadbed
CN111304994B (en) Semi-flexible functional combined structure recovery layer applied to asphalt pavement maintenance
CN212000440U (en) Drainage road surface structure of urban intersection and bus stop
CN108360327A (en) A durable new composite material subgrade pavement structure and construction method
Hlail et al. Toward Semi-Flexible Pavement Application for Iraqi Highway and Airport Pavements: Review its feasibility
CN206800193U (en) A kind of durable cement concrete bridge floor composite pavement structure
CN113235423B (en) Fatigue-resistant and anti-rutting steel bridge deck paving structure and paving method
CN112939518B (en) Pavement structure adhesive, porous concrete base layer and permeable pavement
CN112853840B (en) Waterproof composite regenerative road graded broken stone cushion material and graded broken stone cushion
CN110436827B (en) Method for preparing prefabricated pedestrian pavement brick by utilizing pavement milling and planing material regeneration of asphalt pavement
CN213061701U (en) Magnetic powder modified steel bridge deck asphalt pavement structure
CN110451851B (en) Method for preparing prefabricated side slope hexagonal protection block by using asphalt pavement surface layer milling material for regeneration
CN212611775U (en) Connection type semi-flexible pavement structure
CN110342849B (en) Method for preparing prefabricated drainage groove by utilizing asphalt pavement surface layer milling material for regeneration

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant