CN208649826U - The pervious asphalt road of Collapsible Loess District - Google Patents

The pervious asphalt road of Collapsible Loess District Download PDF

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Publication number
CN208649826U
CN208649826U CN201821031009.9U CN201821031009U CN208649826U CN 208649826 U CN208649826 U CN 208649826U CN 201821031009 U CN201821031009 U CN 201821031009U CN 208649826 U CN208649826 U CN 208649826U
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China
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layer
pervious asphalt
collapsible loess
pervious
road
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CN201821031009.9U
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Inventor
田振国
张云富
安东子
孙向萍
金莹莹
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Qingyang Cscec Longhao Sponge City Construction Management Operation Co Ltd
China Construction Eco Environmental Group Co Ltd
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Qingyang Zhongjian Longhao Sponge City Construction Management Operation Co Ltd
China Construction Water Affairs Environmental Protection Co Ltd
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Abstract

The pervious asphalt road of the utility model Collapsible Loess District is related to urban construction field.Its purpose is to provide a kind of pervious asphalt road of simple, at low cost, the easy to operate Collapsible Loess District of structure.The pervious asphalt road of the utility model Collapsible Loess District, including rammed earth layer, cushion lime, plain concrete bed course, metalling, emulsification pitch penetration, pervious asphalt concrete layer, adhesive layer and pervious asphalt layer, the rammed earth layer is that collapsible loess is tamped to be formed, cushion lime and plain concrete bed course are successively equipped on the rammed earth layer, metalling is equipped on the element concrete bed course, emulsification pitch penetration is equipped on the metalling, pervious asphalt concrete layer is laid on the emulsification pitch penetration, adhesive layer is equipped on the pervious asphalt concrete layer, pervious asphalt layer is equipped on the adhesive layer, diversion pipe is equipped in the metalling, it is enclosed on the diversion pipe and is covered with pervious bed.

Description

The pervious asphalt road of Collapsible Loess District
Technical field
The utility model relates to urban construction fields, more particularly to the pervious asphalt road of Collapsible Loess District.
Background technique
Collapsible loess is divided into self-weight collapse loess and non-self centred graph, is mainly distributed on China Gansu, peaceful The Loess Plateaus such as summer, Shaanxi, Shanxi.The soil property of collapsible loess is more uniform, short texture;When not by water-soaked, one As intensity it is higher, compressibility is smaller, but under a certain pressure by water-soaked, soil structure can be destroyed rapidly, generate it is larger it is additional under Heavy, intensity reduces rapidly.
Collapsible loess is after by water-soaked, and when earth structure strength is insufficiently resistant to stress, the fast structure speed of the soil body is destroyed, And occur significantly to collapse, cause highway Large Area Cracking, sink, causes secondary road disease, it is wet to be further exacerbated by loess foundation It falls into, influences the safety of highway transportation.
During Collapsible Loess District carries out road construction, the speciality of collapsible loess is considered, it is also necessary to consider Drainage problem is not disclosed in the specific structure type of the permeable road of Collapsible Loess District, does not have yet in the prior art There are associated materials that can indicate the structure of permeable road of Collapsible Loess District, more without the road for building pervious asphalt, no Can guarantee the bearing capacity and service life of road after the completion of construction, therefore, in Collapsible Loess District construction bearing capacity it is strong, Pervious asphalt road with long service life is that urgently unit in charge of construction and research staff solve the problems, such as.
Utility model content
Collapsibility simple, at low cost, easy to operate that the technical problem to be solved by the present invention is to provide a kind of structures The pervious asphalt road of Canal in Loess Area.
The pervious asphalt road of the utility model Collapsible Loess District, including rammed earth layer, cushion lime, plain concrete pad Layer, metalling, emulsification pitch penetration, pervious asphalt concrete layer, adhesive layer and pervious asphalt layer, the rammed earth layer are wet It falls into property loess to tamp to be formed, is successively equipped with cushion lime and plain concrete bed course on the rammed earth layer, on the element concrete bed course It is equipped with metalling, emulsification pitch penetration is equipped on the metalling, it is mixed to be laid with pervious asphalt on the emulsification pitch penetration Soil layer is coagulated, adhesive layer is equipped on the pervious asphalt concrete layer, pervious asphalt layer is equipped on the adhesive layer,
It is equipped with diversion pipe in the metalling, is enclosed on the diversion pipe and is covered with pervious bed.
The pervious asphalt road of the utility model Collapsible Loess District, wherein the pervious asphalt layer includes that high-viscosity chromatic is saturating Bituminous grout, the thickness range of the pervious asphalt layer are 4-6mm.
The pervious asphalt road of the utility model Collapsible Loess District, wherein the pervious asphalt layer is cold-application construction.
The pervious asphalt road of the utility model Collapsible Loess District, wherein the bonding layer material includes epoxy resin.
The pervious asphalt road of the utility model Collapsible Loess District, wherein the thickness model of the pervious asphalt concrete layer Enclose 50-100mm.
The pervious asphalt road of the utility model Collapsible Loess District, wherein the metalling includes prototype gradation rubble, The particle size range 25-40mm of the prototype gradation rubble, thickness range 120-180mm.
The pervious asphalt road of the utility model Collapsible Loess District, wherein the thickness range of the element concrete bed course is 30- 100mm。
The pervious asphalt road of the utility model Collapsible Loess District, wherein the cushion lime is set as 37 lime earth, institute The thickness range 80-120mm of cushion lime is stated, the compacting factor of the cushion lime is not less than 95%.
The pervious asphalt road of the utility model Collapsible Loess District, wherein the thickness range 150- of the rammed earth layer 250mm, compactness >=94% of the rammed earth layer.
The pervious asphalt road of the utility model Collapsible Loess District, wherein the diversion pipe extends to water storage element, road The extending direction on road is intervally distributed with several water storage elements.
The pervious asphalt road difference from prior art of the utility model Collapsible Loess District is: the utility model The pervious asphalt road of Collapsible Loess District, including rammed earth layer, cushion lime, plain concrete bed course, metalling, emulsified asphalt are saturating Layer, pervious asphalt concrete layer, adhesive layer and pervious asphalt layer, rammed earth layer are that collapsible loess is tamped to be formed, plain earth rammer It is successively equipped with cushion lime and plain concrete bed course on real layer, is equipped with metalling on plain concrete bed course, emulsification is equipped on metalling Primary coat is laid with pervious asphalt concrete layer on emulsification pitch penetration, is equipped with adhesive layer on pervious asphalt concrete layer, glues It is equipped with pervious asphalt layer on knot layer, diversion pipe is equipped in metalling, is enclosed on diversion pipe and is covered with pervious bed;
Pervious asphalt road is laid with using multilayered structure, not only can guarantee pavement strength, but also can be reduced and be laid with cost, convenient Artificial and equipment cost is saved in construction;Itself has complete drainage system, makes the reflective phenomenon of rainwater infiltration, surface gathered water Thus become history, rainy day motor vehicle skid the phenomenon that will also be greatly reduced, improve the safety of highway transportation.
The pervious asphalt road of the Collapsible Loess District of the utility model is described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram on the pervious asphalt road of the utility model Collapsible Loess District;
Fig. 2 is the structural schematic diagram of the water storage element on the pervious asphalt road of the utility model Collapsible Loess District.
Attached drawing mark: 1, rammed earth layer;2, cushion lime;3, plain concrete bed course;4, metalling;5, emulsification pitch penetration; 6, pervious asphalt concrete layer;7, adhesive layer;8, pervious asphalt layer;9, diversion pipe;10, pervious bed;11, barriers are protected;12, Permeable supporting layer;13, water storage divider;14, separation baffles;15, barrier support plate.
Specific embodiment
Pervious asphalt mat formation refer to compacting after voidage 20% or so, drainage channel can be formed inside mixture Novel asphalt concrete surface layer is substantially single particle size rubble according to embedded squeezing mechanism and forms skeleton-gap structure open gradation Asphalt.
Referring to figs. 1 and 2, the pervious asphalt road of the utility model Collapsible Loess District, including rammed earth layer 1, cushion lime 2, plain concrete bed course 3, metalling 4, emulsification pitch penetration 5, pervious asphalt concrete layer 6, adhesive layer 7 and permeable drip Cyan layer 8, rammed earth layer 1 are that collapsible loess is tamped to be formed, and cushion lime 2 and plain concrete are successively equipped on rammed earth layer 1 Bed course 3 is equipped with metalling 4 on plain concrete bed course 3, emulsification pitch penetration 5,5 upper berth of emulsification pitch penetration is equipped on metalling 4 If pervious asphalt concrete layer 6, it is equipped with adhesive layer 7 on pervious asphalt concrete layer 6, is equipped with pervious asphalt on adhesive layer 7 Layer 8, metalling 4 is interior to be equipped with diversion pipe 9, encloses on diversion pipe 9 and is covered with pervious bed 10.
Pervious asphalt road is laid with using multilayered structure, not only can guarantee pavement strength, but also can be reduced and be laid with cost, convenient Artificial and equipment cost is saved in construction.Asphalt paving is a kind of novel road surface structure, has been mixed into especial manufacture in the feed Modified pitch, calcium hydroxide, fiber, the vehicle run at high speed can be effectively reduced and explosion sound caused by road surface rubs, and from Body has complete drainage system, makes rainwater infiltration, thus the reflective phenomenon of surface gathered water becomes history, the skidding of rainy day motor vehicle The phenomenon that will also be greatly reduced, improve the safety of highway transportation.The permeability rate on pervious asphalt road reaches 1451ml/15s, sky Gap rate reaches 18-25%, is convenient for the quick seepage flow of moisture, and roadbed top surface Rebound Modulus of Subgrade 30Mpa, bearing capacity are strong.
Rammed earth layer 1 is tamped by collapsible loess to be formed, and solves the problems, such as that collapsible loess is givey, and collapsibility is yellow Soil directly reuses, and reduces material transportation expenses;Cushion lime 2 is laid on rammed earth layer 1,2 pairs of element soil of cushion lime Compacting layer 1 plays protective action, also plays a supporting role to plain concrete bed course 3;Plain concrete bed course 3 plays the role of reinforcing support, increases The overall structural strength on strong road surface.
Metalling 4 is laid on plain concrete bed course 3, metalling 4 was both played a supporting role, and is additionally favorable for water flow flowing, is conducive to moisture Discharge;Emulsification pitch penetration 5 is laid on metalling 4, emulsification pitch penetration 5 includes emulsified asphalt, and emulsified asphalt is a kind of viscosity Low, good fluidity pavement construction material, conducive to the connection of metalling 4 and pervious asphalt concrete layer 6;Pervious asphalt concrete Layer 6 is connect with pervious asphalt layer 8 by adhesive layer 7, and bonding is stablized, and guarantees the smooth of road surface.
It is equipped with diversion pipe 9 in metalling 4, is enclosed on diversion pipe 9 and covers pervious bed 10, the setting of pervious bed 10 is conducive to moisture seepage flow And discharge.Diversion pipe 9 is arranged in metalling 4, facilitates installation, is also conducive to protection diversion pipe 9.
Pervious bed 10 is set as permeable geotextiles, and the density of the permeable geotextiles in pervious bed 10 is not less than 300g/m2, it is conducive to Moisture to 9 seepage flow of diversion pipe, prevent moisture accumulation and influence pavement strength.
Further, pervious asphalt layer 8 includes high-viscosity chromatic pervious asphalt, and the thickness range of pervious asphalt layer 8 is 4- 6mm, it is preferred that pervious asphalt layer 8 with a thickness of 4mm.The adhesion strength of high-viscosity chromatic pervious asphalt is high, is convenient for and adhesive layer 7 Connection, also, the surface of pitch porous pavement is capable of forming the road surface of different colours, increases the diversity of pavement structure, is applicable in Range is more extensive.
Further, pervious asphalt layer 8 is cold-application construction, and construction technology is simple, construction cost is low, repairing effect is good.
Further, 7 material of adhesive layer includes epoxy resin, and epoxy resin is oily material, and epoxy resin is in permeable drip One layer is brushed between green concrete layer 6 and pervious asphalt layer 8, epoxy resin is nontoxic, structural strength is big.
Further, the thickness range 30-80mm of pervious asphalt concrete layer 6, preferably with a thickness of 30mm.Pervious asphalt Concrete layer 6 selects black pervious asphalt concrete, plays the role of supporting pervious asphalt layer 8, also guarantees pervious asphalt layer 8 The smooth seepage flow of moisture, discharge prevent moisture from gathering in road surface and influence the structural strength on road surface.
Further, metalling 4 includes prototype gradation rubble, the particle size range 25-40mm of prototype gradation rubble, thickness model Enclose 120-180mm.Prototype gradation rubble is that grade of all sizes is gathered materials the mixture of composition, at low cost, and is conducive to arrange Except the moisture in road surface structare layer, the wash away phenomenon of base is decreased or even eliminated, and the stronger pad sheath knot of bearing capacity can be formed Structure.Preferably, the partial size of prototype gradation rubble is preferably 25mm, with a thickness of 150mm.
Further, the thickness range of plain concrete bed course 3 is 30-100mm, preferably, plain concrete bed course 3 with a thickness of 50mm, Plain concrete bed course 3 selects C20 element concrete, guarantees structural strength.
Further, cushion lime 2 is set as 37 lime earth, the thickness range 80-120mm of cushion lime 2, cushion lime 2 Compacting factor be not less than 95%.37 lime earth is that one kind is formulated by a certain percentage with lime, clay with higher-strength Construction material, guarantee cushion lime 2 intensity.
Further, the thickness range of rammed earth layer 1, compactness >=94% of rammed earth layer 1 guarantee that support is strong Degree.
Further, diversion pipe 9 extends to water storage element, and the extending direction of road is intervally distributed with several water storage groups Part, several interconnections of diversion pipe 9 extend to water storage element, by seepage flow in road surface to the water flow water conservancy diversion of each layer of structure to water storage In component, the quick seepage flow of the water flow on road surface both can guarantee, moreover it is possible to store moisture in case moisture secondary use, such as irrigates week Enclosure planting quilt.
Specifically, water storage element includes water storage divider 13 and barrier support plate 15, barrier support plate 15 is fixedly connected on In road, barrier support plate 15 plays the role of supporting diversion pipe 9, guarantees that the stabilization of diversion pipe 9 is extend into water storage element;Water storage gear Frame 13 is fixed in road, and water storage divider 13, which encloses, covers the water storage cavity to form uncovered, and diversion pipe 9 is connected to water storage cavity, seeps road surface The moisture of stream flows into water storage cavity, and then moisture stores.The fitting support water storage divider 13 of separation baffles 14, separation baffles 14 are arranged Barrier support plate 15 lower section and gap is equipped between separation baffles 14 and barrier support plate 15, the moisture inside road can be with Enter water storage cavity by the gap of separation baffles 14 and barrier support plate 15, separation baffles 14 are close to one end of barrier support plate 15 It is flushed with water storage divider 13, promotes moisture overflow, also improve the permeability of road.Preferably, the fitting of water storage divider 13 separates gear The side of plate 14 is equipped with inclination diversion edges, and guidance moisture flows into water storage cavity.
Further, 13 upper cover of water storage divider is buckled with permeable supporting layer 12, and it is L-type, thoroughly that permeable supporting layer 12, which is set as section, Barrier bracket made of water material, permeable 12 material of supporting layer can select pervious concrete, and permeable supporting layer 12 is to water storage cavity In moisture be isolated, guarantee water storage cavity in moisture cleaning, prevent water storage cavity from blocking;And moisture can also be by permeable Supporting layer 12 evaporates, and keeps the skin wet into soil.Be connected on permeable supporting layer 12 protection barriers 11, protection barriers 11 with Permeable 12 Formation cross-section of supporting layer is the structure of zigzag, diversion pipe 9 be plugged on permeable supporting layer 12 and barrier support plate 15 it Between, permeable supporting layer 12 grips diversion pipe 9 with the cooperation of barrier support plate 15.It protects barriers 11 to be bonded road structure, rises To the effect of gear shield, collapse.
The pervious asphalt road of the utility model Collapsible Loess District, while high temperature resistant, resistance to low temperature are had both, wherein mixing Closing material is skeleton structure, and there are moisture in gap, it is good to take away a part of heat, high-temperature stability for moisture evaporation under high temperature, high Glutinous pitch is little in crack resistance at low-temperature and other asphalt difference;Also with antiskid performance is high, noise is low, inhibits water Mist prevents water drift, mitigates outstanding advantages of dazzle;Significantly improve safety, the comfort of rainy day driving;Friendship can be greatly reduced Logical noise;With good permeable, permeability, rainwater can be made to rapidly permeate into underground, improve urban ground plant and soil is micro- The life condition of biology.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines In range.

Claims (10)

1. a kind of pervious asphalt road of Collapsible Loess District, it is characterised in that: including rammed earth layer, cushion lime, plain concrete Bed course, metalling, emulsification pitch penetration, pervious asphalt concrete layer, adhesive layer and pervious asphalt layer, the rammed earth layer are Collapsible loess is tamped to be formed, and cushion lime and plain concrete bed course, the element concrete bed course are successively equipped on the rammed earth layer On be equipped with metalling, emulsification pitch penetration is equipped on the metalling, is laid with pervious asphalt on the emulsification pitch penetration Concrete layer is equipped with adhesive layer on the pervious asphalt concrete layer, pervious asphalt layer is equipped on the adhesive layer,
It is equipped with diversion pipe in the metalling, is enclosed on the diversion pipe and is covered with pervious bed.
2. the pervious asphalt road of Collapsible Loess District according to claim 1, it is characterised in that: the pervious asphalt layer Including high-viscosity chromatic pervious asphalt, the thickness range of the pervious asphalt layer is 4-6mm.
3. the pervious asphalt road of Collapsible Loess District according to claim 1 or 2, it is characterised in that: the permeable drip Cyan layer is cold-application construction.
4. the pervious asphalt road of Collapsible Loess District according to claim 1 or 2, it is characterised in that: the adhesive layer Material includes epoxy resin.
5. the pervious asphalt road of Collapsible Loess District according to claim 1, it is characterised in that: the pervious asphalt is mixed Solidifying the thickness of the layer range 50-100mm.
6. the pervious asphalt road of Collapsible Loess District according to claim 1, it is characterised in that: the metalling includes Prototype gradation rubble, the particle size range 25-40mm of the prototype gradation rubble, thickness range 120-180mm.
7. the pervious asphalt road of Collapsible Loess District according to claim 1, it is characterised in that: the element concrete bed course Thickness range is 30-100mm.
8. the pervious asphalt road of Collapsible Loess District according to claim 1, it is characterised in that: the cushion lime is set Compacting factor for 37 lime earth, the thickness range 80-120mm of the cushion lime, the cushion lime is not less than 95%.
9. the pervious asphalt road of Collapsible Loess District according to claim 1, it is characterised in that: the rammed earth layer Thickness range 150-250mm, compactness >=94% of the rammed earth layer.
10. the pervious asphalt road of Collapsible Loess District according to claim 1, it is characterised in that: the diversion pipe prolongs Water storage element is reached, the extending direction of road is intervally distributed with several water storage elements.
CN201821031009.9U 2018-06-29 2018-06-29 The pervious asphalt road of Collapsible Loess District Active CN208649826U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110792011A (en) * 2019-11-14 2020-02-14 青海省建筑建材科学研究院有限责任公司 Construction process suitable for high-cold collapsible loess area permeable pavement
CN111851556A (en) * 2020-07-24 2020-10-30 中国一冶集团有限公司 Construction method and structure of soft soil foundation asphalt concrete cushion
CN112227337A (en) * 2020-10-27 2021-01-15 中国一冶集团有限公司 Device for tamping and leveling asphalt concrete cushion between pile foundations of soft land and construction method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110792011A (en) * 2019-11-14 2020-02-14 青海省建筑建材科学研究院有限责任公司 Construction process suitable for high-cold collapsible loess area permeable pavement
CN111851556A (en) * 2020-07-24 2020-10-30 中国一冶集团有限公司 Construction method and structure of soft soil foundation asphalt concrete cushion
CN112227337A (en) * 2020-10-27 2021-01-15 中国一冶集团有限公司 Device for tamping and leveling asphalt concrete cushion between pile foundations of soft land and construction method

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 100070 block a, Chongxin building, 13 Hangfeng Road, Fengtai District, Beijing

Patentee after: China Construction Ecological Environment Group Co.,Ltd.

Patentee after: Qingyang CSCEC Longhao sponge City Construction Management Operation Co., Ltd

Address before: 100070 block a, Chongxin building, 13 Hangfeng Road, Fengtai District, Beijing

Patentee before: CHINA CONSTRUCTION WATER AFFAIRS ENVIRONMENTAL PROTECTION Co.,Ltd.

Patentee before: Qingyang CSCEC Longhao sponge City Construction Management Operation Co., Ltd

CP01 Change in the name or title of a patent holder