CN211772518U - Type of permeating water's road structure of going - Google Patents
Type of permeating water's road structure of going Download PDFInfo
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- CN211772518U CN211772518U CN202020258358.5U CN202020258358U CN211772518U CN 211772518 U CN211772518 U CN 211772518U CN 202020258358 U CN202020258358 U CN 202020258358U CN 211772518 U CN211772518 U CN 211772518U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000010410 layer Substances 0.000 claims abstract description 110
- 239000010426 asphalt Substances 0.000 claims abstract description 27
- 239000002344 surface layer Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000012790 adhesive layer Substances 0.000 claims abstract description 4
- 238000005336 cracking Methods 0.000 claims description 9
- 239000004575 stone Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000011380 pervious concrete Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 239000011384 asphalt concrete Substances 0.000 abstract description 3
- 239000012466 permeate Substances 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000011064 split stream procedure Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004557 technical material Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
A permeable type vehicle road structure comprises a lower base layer, an upper base layer, a lower surface layer, an adhesive layer and an upper surface layer which are sequentially paved from bottom to top; a sealing layer is arranged between the lower base layer and the upper base layer; an anti-crack and water seepage shunting layer is arranged between the upper base layer and the lower surface layer; the anti-crack water seepage flow-dividing layer is formed by paving PAC-5 asphalt mixture; an advanced pre-curing layer is arranged at the top of the upper surface layer and is formed by laying SBS modified emulsified asphalt; a transverse drain pipe is arranged on the bottom surface of the upper base layer; first drainage holes are formed in the top surface of the transverse drainage pipe at intervals; a drainage ditch is arranged on one side of the vehicle road structure; the drainage ditch is filled with a water permeable material, and the bottom of the drainage ditch is provided with a longitudinal drainage pipe; the top surface of the longitudinal water drainage pipe is provided with second water drainage holes at intervals; the lower end of the transverse drain pipe extends into the drainage ditch. The utility model provides a traditional asphalt concrete pavement that permeates water can't reach the antiskid, fall make an uproar and anti-dazzle purpose and can't reach the technical problem of peak clipping, alleviate heat island effect purpose.
Description
Technical Field
The utility model belongs to road engineering, especially a type of permeating water's driving road structure.
Background
At present, the permeable pavement surface layer commonly used in China is mainly permeable concrete, aggregate adopted by the permeable concrete is small in particle size, low in strength and low in anti-bending performance, and the base layer is a graded broken stone or a water-stable layer, so that the whole body cannot bear large weight; therefore, the pervious concrete is generally used for sidewalks or squares and cannot meet the driving requirements of vehicles; the permeable asphalt concrete pavement structure layer for the expressway generally adopts a permeable asphalt pavement I type, only the surface layer is permeable, the surface layer adopts a permeable asphalt mixture, the base layer does not have water permeability, the water storage effect is general, and the cooling effect cannot be achieved. The main functions are anti-skid, noise reduction and anti-glare, rainwater cannot be retained, and the sponge city requirements of peak clipping, heat island effect alleviation and the like are met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a car road structure of water permeability type, solve traditional asphalt concrete road surface that permeates water can't reach the antiskid, fall make an uproar and the purpose of anti-dazzle and can't reach the technical problem who cuts the peak, alleviate heat island effect purpose.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A permeable type vehicle road structure comprises a lower base layer, an upper base layer, a lower surface layer, an adhesive layer and an upper surface layer which are sequentially paved from bottom to top; a sealing layer is arranged between the lower base layer and the upper base layer; the sealing layer is formed by paving rubber asphalt, and the thickness of the sealing layer is 1 cm-1.5 cm; an anti-cracking and water seepage shunting layer is arranged between the upper base layer and the lower surface layer; the anti-cracking water seepage diversion layer is formed by paving PAC-5 asphalt mixture, and the thickness of the anti-cracking water seepage diversion layer is 1 cm-1.5 cm; the top of the upper surface layer is provided with an advanced pre-curing layer, and the advanced pre-curing layer is formed by laying SBS modified emulsified asphalt; a transverse drain pipe is arranged on the bottom surface of the upper base layer; the transverse water drainage pipes are arranged in a group and are longitudinally arranged in parallel at intervals; the bottom of each transverse drainage pipe is provided with a transverse slope, and the top surface of each transverse drainage pipe is provided with first drainage holes at intervals along the transverse direction; a drainage ditch is arranged on one side of the vehicle road structure; the drainage ditch is filled with a water permeable material, and a longitudinal drainage pipe is embedded at the bottom of the drainage ditch; second drain holes are formed in the top surface of the longitudinal drain pipe at intervals along the longitudinal direction; the lower end of the transverse drain pipe extends into the drainage ditch.
Preferably, the lower base layer is formed by paving cement-stabilized macadam, and the thickness of the lower base layer is 25 cm-35 cm; the upper base layer is formed by paving pervious concrete, and the thickness of the upper base layer is 25 cm-35 cm.
Preferably, the lower surface layer is a PAC-25 coarse grain type permeable asphalt mixture, and the thickness of the lower surface layer is 5 cm-8 cm; the upper surface layer is made of PAC-10 fine grain type permeable asphalt mixture, and the thickness of the upper surface layer is 3 cm-4 cm.
Preferably, the transverse drain pipe is a PVC pipe or a PE hard permeable pipe; the distance between adjacent horizontal drainage pipes is 15 m-20 m.
Preferably, the longitudinal drainage pipe is made of PVC pipe or PE hard permeable pipe or HDPE pipe.
Preferably, the bottom surface of the drainage ditch is flush with the bottom surface of the upper base layer; the permeable material is sand gravel or broken stone or sand stone, and the top surface of the permeable material is flush with the top surface of the upper base layer.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. The utility model discloses well lower surface course and last surface course all adopt PAC bituminous mixture that permeates water, have the characteristics of intercommunication void ratio through the mixture, make the surface runoff ooze down fast, not only have stronger cling compound nature, shortened braking distance, can also reduce rainy day splash and play fog, alleviate and dazzle the light, have the noise reduction effect simultaneously.
2. The utility model discloses be equipped with anti infiltration water split stream layer that splits between last basic unit and lower surface course to anti infiltration water split stream layer is laid by PAC-5 bituminous mixture and is formed, and the design of this kind of structure not only reduces reflection crack, and with the effect of surface course infiltration water conservancy diversion to road structure limit portion as early as possible in addition, makes the skid resistance of surface course bituminous mixture, falls and makes an uproar and prevent dazzling the light performance and exert more fully.
3. The combined structure of the upper base layer (pervious concrete), the rubber asphalt sealing layer and the lower base layer (cement stabilized macadam) effectively meets the requirement of the bearing function of the pavement structure; the upper base layer is paved by pervious concrete, has the functions of bearing and storing water, can retain rainwater for a short time, has the function of peak clipping and can relieve the heat island effect; the design of rubber asphalt seal layer and lower base layer (cement stabilized macadam) prevents rainwater from infiltrating downwards to damage the foundation, so that the wider application of foundation conditions is met.
4. The utility model is provided with a transverse drain pipe on the bottom surface of the upper base layer, and a drain ditch is arranged on one side of the vehicle road structure; it has permeable material to fill in the escape canal, has buried longitudinal drain pipe underground in the bottom in the escape canal, and the hydroenergy in the upper base layer can flow in the escape canal along transverse drain pipe to discharge to municipal pipe network system through longitudinal drain pipe, the design of this kind of structure has been avoided because the rainwater roof beam is too big, can not in time discharge and influence road structure's performance.
5. The utility model is suitable for a soil matrix permeability coefficient K is not strong in soil matrix permeability<3.5×10-6m/s, is not suitable for the condition of full permeable pavement and areas with heavy rain and proper temperature.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of a vertical section structure of the structure of a vehicle road according to the present invention.
Fig. 2 is the utility model discloses well driving road structure one side sets up the schematic structure drawing of escape canal.
Fig. 3 is a layout view of the horizontal drainage pipe and the horizontal drainage pipe in the present invention.
Reference numerals: 1-lower base layer, 2-upper base layer, 3-lower base layer, 4-bonding layer, 5-upper base layer, 6-sealing layer, 7-anti-crack water seepage shunting layer, 8-advanced precuring layer, 9-transverse drainage pipe, 10-first drainage hole, 11-drainage ditch, 12-water permeable material, 13-longitudinal drainage pipe, 14-second drainage hole, 15-curb base, 16-curb, 17-cement mortar cushion layer and 18-impermeable film.
Detailed Description
As shown in fig. 1-3, the permeable type vehicle road structure comprises a lower base layer 1, an upper base layer 2, a lower layer 3, an adhesive layer 4 and an upper layer 5 which are sequentially paved from bottom to top; a sealing layer 6 is arranged between the lower base layer 1 and the upper base layer 2; the seal layer 6 is formed by paving rubber asphalt, and the thickness of the seal layer 6 is 1 cm-1.5 cm; an anti-cracking and water seepage shunting layer 7 is arranged between the upper base layer 2 and the lower surface layer 3; the anti-cracking water seepage flow-dividing layer 7 is formed by paving PAC-5 asphalt mixture, and the thickness of the anti-cracking water seepage flow-dividing layer 7 is 1 cm-1.5 cm; the top of the upper surface layer 5 is provided with an advanced precuring layer 8, and the advanced precuring layer 8 is formed by laying SBS modified emulsified asphalt; a transverse drain pipe 9 is arranged on the bottom surface of the upper base layer 2; the transverse drain pipes 9 are arranged in a group and are longitudinally arranged in parallel at intervals; the bottom of each transverse drainage pipe 9 is provided with a transverse slope, and the top surface of each transverse drainage pipe 9 is provided with first drainage holes 10 at intervals along the transverse direction; a drainage ditch 11 is arranged on one side of the vehicle road structure; the drainage ditch 11 is filled with a water permeable material 12, and a longitudinal drainage pipe 13 is embedded at the bottom of the drainage ditch 11; the top surface of the longitudinal drain pipe 13 is provided with second drain holes 14 at intervals along the longitudinal direction; the lower end of the transverse drain pipe 9 extends into a drain 11.
In the embodiment, the lower base layer 1 is formed by paving cement stabilized macadam, and the thickness of the lower base layer 1 is 25 cm-35 cm; the upper base layer 2 is formed by paving pervious concrete, and the thickness of the upper base layer 2 is 25 cm-35 cm; the concrete material has the advantages that the concrete material has the load-bearing and water-permeable functions, the design puts forward the requirement on the flexural strength, the 25-day flexural strength of the water-permeable concrete material is 2.7-2.9 Mpa, and the compressive strength is 21-25 Mpa; because the upper base layer 2 is thicker, the cushion layer design is cancelled, and the thickness of the lower base layer 1 is properly increased, so that the same bearing effect is achieved.
In the embodiment, the lower layer 3 is made of PAC-25 coarse grain type permeable asphalt mixture, and the thickness of the lower layer 3 is 5 cm-8 cm; the upper surface layer 5 is made of PAC-10 fine grain type permeable asphalt mixture, and the thickness of the upper surface layer 5 is 3 cm-4 cm.
In this example, PAC is a short for porous asphal cement porous drainage asphalt mixture.
Preferably, the transverse drain pipe 9 is a PVC pipe or a PE hard permeable pipe; the distance between the adjacent transverse drainage pipes 9 is 15 m-20 m.
In this embodiment, the longitudinal drain pipe 13 is a PVC pipe, or a PE hard permeable pipe, or a HDPE pipe; the pipe diameter of the longitudinal drain pipe 13 is larger than that of the transverse drain pipe 9.
In this embodiment, the bottom surface of the drainage ditch 11 is flush with the bottom surface of the upper base layer 2; the permeable material 12 is sand gravel or broken stone or sand stone, and the top surface of the permeable material 12 is flush with the top surface of the upper base layer 2.
In this embodiment, the two sides of the vehicle road structure are respectively provided with a kerbstone structure; the drainage ditch 11 is arranged between the road structure and the curb structure on one side; the kerb structure comprises a kerb base 15 and a kerb 16; the bottom of the kerbstone base 15 is flush with the bottom surface of the upper base layer 2, and the top of the kerbstone 16 exceeds the top of the vehicle road structure; a cement mortar cushion layer 17 is arranged between the kerb base 15 and the kerb 16; and an impermeable membrane 18 is paved on the side surface of the kerbstone structure close to one side of the drainage ditch 11.
In this embodiment, the lower layer 3 and the upper layer 5 both adopt the PAC permeable asphalt mixture, which is 2cm thinner than the conventional AC asphalt mixture, but use the high viscosity modified asphalt and the reasonable mix ratio, so that the technical material indexes of the PAC permeable asphalt mixture not only meet the standard requirements, but also meet the functional requirements of the asphalt surface layer such as skid resistance, crack resistance and the like while having water permeability.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.
Claims (6)
1. A permeable type vehicle road structure comprises a lower base layer (1), an upper base layer (2), a lower layer (3), an adhesive layer (4) and an upper layer (5) which are sequentially paved from bottom to top; the method is characterized in that: a sealing layer (6) is arranged between the lower base layer (1) and the upper base layer (2); the seal layer (6) is formed by paving rubber asphalt, and the thickness of the seal layer (6) is 1 cm-1.5 cm; an anti-cracking and water seepage shunting layer (7) is arranged between the upper base layer (2) and the lower surface layer (3); the anti-cracking water seepage diversion layer (7) is formed by paving PAC-5 asphalt mixture, and the thickness of the anti-cracking water seepage diversion layer (7) is 1 cm-1.5 cm; the top of the upper surface layer (5) is provided with an advanced pre-curing layer (8), and the advanced pre-curing layer (8) is formed by laying SBS modified emulsified asphalt; a transverse drain pipe (9) is arranged on the bottom surface of the upper base layer (2); the transverse drain pipes (9) are provided with a group and are arranged in parallel at intervals along the longitudinal direction; the bottom of each transverse drainage pipe (9) is provided with a transverse slope, and the top surface of each transverse drainage pipe (9) is provided with first drainage holes (10) at intervals along the transverse direction; a drainage ditch (11) is arranged on one side of the vehicle road structure; the drainage ditch (11) is filled with a water permeable material (12), and a longitudinal drainage pipe (13) is embedded at the bottom of the drainage ditch (11); second drain holes (14) are formed in the top surface of the longitudinal drain pipe (13) at intervals along the longitudinal direction; the lower end of the transverse drain pipe (9) extends into the drainage ditch (11).
2. The water permeable type vehicle road structure according to claim 1, wherein: the lower base layer (1) is formed by paving cement stabilized macadam, and the thickness of the lower base layer (1) is 25 cm-35 cm; the upper base layer (2) is formed by paving pervious concrete, and the thickness of the upper base layer (2) is 25 cm-35 cm.
3. The water permeable type vehicle road structure according to claim 1, wherein: the lower layer (3) adopts PAC-25 coarse grain type permeable asphalt mixture, and the thickness of the lower layer (3) is 5 cm-8 cm; the upper layer (5) is a PAC-10 fine grain type permeable asphalt mixture, and the thickness of the upper layer (5) is 3-4 cm.
4. The water permeable type vehicle road structure according to claim 1, wherein: the transverse water drainage pipe (9) is a PVC pipe or a PE hard permeable pipe; the distance between the adjacent transverse drainage pipes (9) is 15-20 m.
5. The water permeable type vehicle road structure according to claim 1, wherein: the longitudinal drain pipe (13) is made of PVC pipes or PE hard permeable pipes or HDPE pipes.
6. The water permeable type vehicle road structure according to claim 1, wherein: the bottom surface of the drainage ditch (11) is flush with the bottom surface of the upper base layer (2); the permeable material (12) is sand gravel or broken stone or sand stone, and the top surface of the permeable material (12) is flush with the top surface of the upper base layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258358.5U CN211772518U (en) | 2020-03-05 | 2020-03-05 | Type of permeating water's road structure of going |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258358.5U CN211772518U (en) | 2020-03-05 | 2020-03-05 | Type of permeating water's road structure of going |
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| CN211772518U true CN211772518U (en) | 2020-10-27 |
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| CN202020258358.5U Active CN211772518U (en) | 2020-03-05 | 2020-03-05 | Type of permeating water's road structure of going |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202001A (en) * | 2021-04-07 | 2021-08-03 | 中安龙山建设集团有限公司 | A reinforced structure for highway construction |
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2020
- 2020-03-05 CN CN202020258358.5U patent/CN211772518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202001A (en) * | 2021-04-07 | 2021-08-03 | 中安龙山建设集团有限公司 | A reinforced structure for highway construction |
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