CN209243483U - A kind of pavement structure - Google Patents
A kind of pavement structure Download PDFInfo
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- CN209243483U CN209243483U CN201821218146.3U CN201821218146U CN209243483U CN 209243483 U CN209243483 U CN 209243483U CN 201821218146 U CN201821218146 U CN 201821218146U CN 209243483 U CN209243483 U CN 209243483U
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Abstract
The Long-life Pavement Structure and material solution of a kind of suitable China's national situation are provided, the pavement structure includes soil matrix where road surface, soil matrix is upward where road surface, is followed successively by rubble cement concrete bottom, lower slurry seal, rubble cement concrete base, upper slurry seal, microlith pitch mixed layer, particulate formula sandstone pitch mixed layer；Slurry seal is respectively set above and below rubble cement concrete base in the utility model, since emulsified asphalt slurry seal has good impermeable role, avoids the invasion of rainwater or underground water to rubble cement concrete base；The utility model Pavement Structure Combination bearing capacity is strong, is higher than conventional pitch road surface, and durability is good, and Rut resistance, waterproof, whole cracking resistance are superior, and cost is suitable, has good popularization and application foreground.
Description
Technical field
The utility model relates to a kind of pavement structures, and road surface here is primarily referred to as carriageway road surface, and pavement structure is
Refer to the multilayered structure of its soil matrix to road surfaces.
Background technique
Emulsified asphalt is pitch and emulsifier under certain process acts, generates the liquid bitumen of oil-in-water or Water-In-Oil.
Emulsified asphalt is that the road asphalt of usual applied at elevated temperature by mechanical stirring and chemically stable emulsification method, is diffused into water
In and be liquefied as that viscosity under room temperature is very low, a kind of mobility pavement construction material well.It can be used with room temperature, it can also be with
Cold, moist building stones are used together.Emulsified asphalt slurry seal is the aggregate chips or sand and emulsified asphalt, additional for appropriate gradation
Agent and water, the pulpous state Emulsified Asphalt Mixture of flow regime made of mix by a certain percentage, uniformly paved the shape on road surface
At tar seal, abbreviation SSC.It is in starchiness since these Emulsified Asphalt Mixture consistency are diluter, placement thickness is relatively thin, generally
In 3cm hereinafter, can make to be restored rapidly at the road surfaces injury such as abrasion, aging, crack, smooth, loose, plays waterproof, prevents
Sealing effect that is sliding, smooth, wear-resisting and improving surface feature.Emulsified asphalt slurry seal has the work of good barrier rainwater
With.
Multifunctional long service road surface is the development trend of current road, mainly passes through reasonable structure and material Combination Design
Guarantee that pavement proper structure is not damaged, even if there is damage general control on the surface layer on road surface, pavement proper structure can be for a long time
Safe operation.The core requirement of design and construction is that pavement structure is worn away with anti-vibration, it is desirable that has good bearing capacity, anti-vehicle
Rut ability and durability, structure failure mode substantially eliminate traditionally generally existing base's fatigue damage, it is not easy to
Fatigue crack from below to up occurs, extends the long-term service life of road.Simultaneously also requirement can drain in time, noise reduction, in addition
It is required that its surface is preferably provided with the ability of good antiskid.
The Long Life Asphalt Pavement research of European and American developed countries and application aspect have more document report, and main thought is
Reach the purpose of design on longlife noodles road surface by increasing road bituminous layers thickness.China's Long Life Asphalt Pavement, which is still in, explores rank
Section, China at this stage Semi rigid bituminous surface typical double layer bituminous concrete combination thickness generally in 10cm or so.In view of me
The specific national conditions of state at this stage, great cost will necessarily be brought by indiscriminately imitating European and American developed countries' Long Life Pavement mentality of designing completely
Pressure, therefore urgently find the Long-life Pavement Structure and material system for being suitble to current national conditions.
Summary of the invention
Technical problem to be solved in the utility model is status in view of the above technology, and it is suitable to provide a kind of cost, is suitble to
The Long-life Pavement Structure and material solution of China's national situation.
Technical solution adopted by the utility model to solve the above technical problems is as follows:
Soil matrix where a kind of pavement structure, including road surface pool slag blanket is arranged above soil matrix, which is characterized in that on the pool
Slag blanket is upward, is followed successively by rubble cement concrete bottom, lower slurry seal, rubble cement concrete base, upper slurry seal, thick
Type is close to be changed with coarse grain formula asphalt concrete layer, the close close particulate formula of matching of middle grain formula asphalt concrete layer, thick type of matching of thick type
Property asphalt concrete layer.
The following are the utility model pavement structure further embodiments.
The soil matrix is the real soil through tamping that thickness is at least 100cm；Cakes outer diameters of the pool slag blanket You be 10cm with
Under build up for pool clinker stone points 2 times, including two layers of thickness is 35cm to the pool 45cm clinker rock layers.
The rubble cement concrete underlayer thickness is 10cm to 15cm, lower slurry seal with a thickness of 0.8cm to 1.2cm,
Rubble cement concrete groundwork thickness is 25cm to 35cm, and for upper slurry seal with a thickness of 0.8cm to 1.2cm, thick type is close to match coarse grain
Formula asphalt concrete layer is with a thickness of 10cm to 15cm, and particulate formula sandstone asphalt concrete layer is with a thickness of 4cm to 6cm.
It is that 8cm bulk below is broken that the rubble cement concrete bottom, which is by outer diameter with rubble cement concrete base,
Spontaneous curing forms after stone, cement, water mixing pouring.
The lower slurry seal, upper slurry seal are by emulsified asphalt, the aggregate for meeting gradation, water, filler and addition
Agent stirs into slurry mixture by design proportion, equably paves on the road surface, is wrapped up in multiple, demulsification, bleed, evaporation and consolidated
The processes such as change are firmly combined together with former road surface, form closely knit, firm, wear-resisting road surface sealing.
The lower slurry seal, upper slurry seal slurry mixture be by include 1 part of emulsified asphalt, 2 parts of water, 8 parts of stones
Powder, appropriate filler and additive mix, and component proportion is weight proportion.
The upper slurry seal and thick type are close with coarse grain formula asphalt concrete layer one layer of high-performance polyester cloth of laying.
The thick type it is close with coarse grain formula asphalt concrete layer be by particle outer diameter 35mm to 40mm rubble below with
Natural cooling solidifies after the plain asphalt liquid mixing of heated fusing is poured, and the weight proportion of plain asphalt and rubble is 1
Than 8 to 10；The thick type it is close with Cakes outer diameters of middle grain formula asphalt concrete Ceng You be 20mm to 25mm rubble below and
Natural cooling solidifies after the plain asphalt liquid mixing of heated fusing is poured, and the weight proportion of plain asphalt and rubble is 1
Than 8 to 10.
The thick type it is close with Cakes outer diameters of particulate formula modified asphalt concrete Ceng You be 10mm to 15mm sandstone below and
Natural cooling solidifies after the modified pitch liquid mixing of heated fusing is poured, and the weight proportion of modified pitch and rubble is 1
Than 8 to 10.
As described in the background section, multifunctional long service road base will be protected by reasonable structure and material Combination Design
It is not damaged to demonstrate,prove pavement proper structure, even if there is damage general control on the surface layer on road surface, pavement proper structure can pacify for a long time
Battalion for the national games.The core requirement of design and construction is that pavement structure is worn away with anti-vibration, it is desirable that has good bearing capacity, Rut resistance
Ability and durability.Pavement proper structure is for a long time by rainwater soaking state anti-vibration abrasion, bearing capacity, rutting resistance and resistance to
Long property can sharp fall.
Slurry seal is respectively set above and below rubble cement concrete base in the utility model, since emulsified bitumen slurry seals
Layer has good impermeable role, avoids the invasion of rainwater or underground water to rubble cement concrete base；Upper slurry seal
Obstruct water flow, such as rainwater above；Lower slurry seal obstructs following water flow, such as underground water.So can be obviously improved anti-vibration abrasion,
Bearing capacity, rutting resistance and durability, and then can significantly promote the warranty life of road pavement proper structure.Even if damaging
Bad general control is in the surface layer on road surface, i.e. rubble cement concrete base above section, pavement proper structure rubble coagulating cement
Soil matrix layer and its following part can long-time safe operations.The repairing of rubble cement concrete base above section is just relatively more square
Just.
The utility model can play the effectiveness of waterproof sealing, and rainwater is avoided to penetrate into base and soil matrix, and no setting is required stretches
Contracting seam, surface particulate formula sandstone pitch mixed layer and the close coarse grain formula asphalt concrete layer of matching of thick type make road surface running vehicle planarization
It is guaranteed with comfort.It can also drain in time simultaneously, noise reduction, and its surface also has good anti-slide performance.In addition, needle
The reflection crack problem common to China's Semi rigid bituminous surface reduces the harm of reflexive crackle, forms composite base, protect
Demonstrate,prove the bearing capacity of road surface entirety.The utility model pavement structure and combination of materials satisfy the need substantially conforming to multifunctional long service road surface
The requirement of plane materiel material and structure type, the utility model Pavement Structure Combination bearing capacity is strong, is higher than conventional pitch road surface, and resistance to
Long property is good, and Rut resistance, waterproof, whole cracking resistance are superior, has good Popularization And Development prospect.
Detailed description of the invention
Fig. 1 is the utility model road surface structure schematic diagram.
Specific embodiment
Below to illustrate specific embodiment of the present utility model shown in Fig. 1.
As shown in Figure 1, soil matrix 1 where a kind of road surface structure, including road surface, pool slag blanket is arranged in soil matrix 1 above, on the pool
Slag blanket is upward, is followed successively by rubble cement concrete bottom 2, lower slurry seal 3, rubble cement concrete base 4, upper slurry seal
5, thick type is close close close with thin with middle grain formula asphalt concrete layer 7, thick type with coarse grain formula asphalt concrete layer 6, thick type
Grain formula modified asphalt concrete layer 8.
Soil matrix 1 is the real soil through tamping that thickness is at least 100cm；Slag blanket You Cakes outer diameters in the pool are 10cm pool slag below
Block stone, which divides 2 times, to be built up, including two layers of thickness is 35cm to the pool 45cm clinker rock layers 9.
As shown in Figure 1, rubble cement concrete bottom 2 is with a thickness of 10cm to 15cm, lower slurry seal 3 is with a thickness of 0.8cm
To 1.2cm, rubble cement concrete base 4 is with a thickness of 25cm to 35cm, and upper slurry seal 5 is with a thickness of 0.8cm to 1.2cm, slightly
For the close coarse grain formula asphalt concrete layer 6 of matching of type with a thickness of 6cm to 8cm, thick type is close thick with middle grain formula asphalt concrete layer 7
Degree is 4cm to 6cm, and the close particulate formula modified asphalt concrete layer 8 of matching of thick type is with a thickness of 3cm to 5cm.
As shown in Figure 1, it is 8cm or less that rubble cement concrete bottom 2 and rubble cement concrete base 4, which are by outer diameter,
Blocky rubble, cement, water mixing pour after spontaneous curing form.
Lower slurry seal 3, upper slurry seal 5 are for by emulsified asphalt, the aggregate for meeting gradation, water, filler and additive
Slurry mixture is stirred by design proportion, equably paves on the road surface, is wrapped up in multiple, demulsification, bleed, evaporation and solidification
Etc. processes be firmly combined together with former road surface, form closely knit, firm, wear-resisting road surface sealing.Lower slurry seal 3,
The slurry mixture of upper slurry seal 5 can be by including that 1 part of emulsified asphalt, 2 parts of water, 8 parts of mountain flours, appropriate filler and additive mix
It closes, component proportion is weight proportion.Upper slurry seal 5 can be laid with the close coarse grain formula asphalt concrete layer 6 of matching of thick type
One layer of high-performance polyester cloth.High-performance polyester cloth can be purchased directly at home, and high-performance polyester cloth has preferable tensile strength
And creep-resistant property, hence it is evident that road surface low-temperature cracking-resistance, fatigue resistance, anti-reflective are improved, to extend the use longevity on road surface
Life.
Slightly the close coarse grain formula asphalt concrete layer 6 of matching of type is by particle outer diameter 35mm to 40mm rubble below and through adding
Natural cooling solidifies after the plain asphalt liquid mixing of heat fusing is poured, the weight proportion of plain asphalt and rubble be 1 to 8 to
10；Thick type is close to be melted for 20mm to 25mm rubble below with heated with Cakes outer diameters of middle 7 You of grain formula asphalt concrete layer
Natural cooling solidifies after the plain asphalt liquid mixing of change is poured, and the weight proportion of plain asphalt and rubble is 1 to 8 to 10.
Slightly type is close adds with Cakes outer diameters of 8 You of particulate formula modified asphalt concrete layer for 10mm to 15mm sandstone below and warp
Natural cooling solidifies after the modified pitch liquid mixing of heat fusing is poured, the weight proportion of modified pitch and rubble be 1 to 8 to
10。
The construction procedure of the utility model pavement of road are as follows:
Step 1, cleaning road surface region surface, compacting road surface region form the real soil of thickness at least 100cm
Soil matrix 1；
Step 2 is 2 two layers of pools built up with a thickness of 35cm to 45cm of 10cm clinker stone in the pool below point by particle outer diameter
Clinker rock layers 9；
Step 3 manually and/or using vehicle-mounted mixing casting machine pours rubble cement concrete bottom 2, naturally solid after pouring
Change；
Step 4 presses the above, forms lower slurry seal 3；
Step 5 manually and/or using vehicle-mounted mixing casting machine pours rubble cement concrete base 4, naturally solid after pouring
Change；
Step 6 presses the above, slurry seal 5 in formation；Or one layer of high-performance can be laid on upper slurry seal 5
Mylar；
Step 7 presses the above, and it is close close with middle grain formula with coarse grain formula asphalt concrete layer 6 and thick type to form thick type
Asphalt concrete layer 7；
Step 8 presses the above, and it is close with particulate formula modified asphalt concrete layer 8 to form thick type.
The present utility model people has found that pavement proper structure is impregnated shape by rainwater for a long time by long-term observation with practice
State anti-vibration abrasion, bearing capacity, rutting resistance and durability can sharp falls.Based on this, the utility model is in rubble water
Slurry seal is respectively set up and down in cement concrete base, since emulsified asphalt slurry seal has good impermeable role, avoids
The invasion of rainwater or underground water to rubble cement concrete base；Upper slurry seal obstructs water flow, such as rainwater above；Lower thin pulp
Sealing obstructs following water flow, such as underground water.So it can be obviously improved anti-vibration abrasion, bearing capacity, rutting resistance and durability,
And then it can significantly promote the warranty life of road pavement proper structure.Even if having damage general control on the surface layer on road surface, i.e.,
Rubble cement concrete base above section, pavement proper structure rubble cement concrete base and its following part can be for a long time
Safe operation.The repairing of rubble cement concrete base above section is with regard to more convenient.
Claims (9)
1. pool slag blanket is arranged in soil matrix (1), soil matrix (1) above where a kind of pavement structure, including the road surface, which is characterized in that
It is upward in the pool slag blanket, it is followed successively by rubble cement concrete bottom (2), lower slurry seal (3), rubble cement concrete base
(4), upper slurry seal (5), thick type are close close mixed with middle grain formula plain asphalt with coarse grain formula asphalt concrete layer (6), thick type
Solidifying soil layer (7), thick type are close to match particulate formula modified asphalt concrete layer (8).
2. pavement structure as described in claim 1, which is characterized in that the soil matrix (1) be thickness be at least 100cm through ramming
Real real soil；Cakes outer diameters of the pool slag blanket You are built up for 2 times for 10cm clinker stone in the pool below point, including two layers of thickness is 35cm
To the pool 45cm clinker rock layers (9).
3. pavement structure as described in claim 1, which is characterized in that the rubble cement concrete bottom (2) with a thickness of
10cm to 15cm, lower slurry seal (3) with a thickness of 0.8cm to 1.2cm, rubble cement concrete base (4) with a thickness of 25cm extremely
35cm, upper slurry seal (5) with a thickness of 0.8cm to 1.2cm, thick type it is close with coarse grain formula asphalt concrete layer (6) with a thickness of
6cm to 8cm, thick type is close to match middle grain formula asphalt concrete layer (7) with a thickness of 4cm to 6cm, and thick type is close with the modified drip of particulate formula
Green concrete layer (8) is with a thickness of 3cm to 5cm.
4. pavement structure as described in claim 1, which is characterized in that the rubble cement concrete bottom (2) and rubble water
Spontaneous curing forms after it is 8cm blocky rubble below, cement that cement concrete base (4), which is by outer diameter, water mixing is poured.
5. pavement structure as described in claim 1, which is characterized in that the lower slurry seal (3), upper slurry seal (5) are equal
To stir into slurry mixture by design proportion by emulsified asphalt, the aggregate for meeting gradation, water, filler and additive, equably
It paves on the road surface, is wrapped up in the processes such as multiple, demulsification, bleed, evaporation and solidification and be firmly combined together with former road surface, shape
At closely knit, firm, wear-resisting road surface sealing.
6. pavement structure as claimed in claim 5, which is characterized in that the lower slurry seal (3), upper slurry seal (5)
Slurry mixture is the component proportion by including that 1 part of emulsified asphalt, 2 parts of water, 8 parts of mountain flours, appropriate filler and additive mix
For weight proportion.
7. pavement structure as described in claim 1, which is characterized in that the upper slurry seal (5) and thick type are close with coarse grain formula
Asphalt concrete layer (6) is laid with one layer of high-performance polyester cloth.
8. pavement structure as described in claim 1, which is characterized in that the thick type is close to match coarse grain formula asphalt concrete layer
It (6) is to mix natural cooling after pouring with the plain asphalt liquid of heated fusing by particle outer diameter 35mm to 40mm rubble below
Solidify；The thick type is close, and with middle grain formula asphalt concrete layer, (7 outer diameters of) You Cakes are that 20mm to 25mm is below broken
Natural cooling solidifies after stone mixes pouring with the plain asphalt liquid of heated fusing；The weight of the two plain asphalt and rubble
Proportion is 1 to 8 to 10.
9. pavement structure as described in claim 1, which is characterized in that the thick type is close to match particulate formula modified asphalt concrete layer
(8 outer diameters of) You Cakes are that 10mm to 15mm sandstone below mixes natural cooling after pouring with the modified pitch liquid of heated fusing
Solidify, the weight proportion of modified pitch and rubble is 1 to 8 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821218146.3U CN209243483U (en) | 2018-07-30 | 2018-07-30 | A kind of pavement structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821218146.3U CN209243483U (en) | 2018-07-30 | 2018-07-30 | A kind of pavement structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999050A (en) * | 2018-07-30 | 2018-12-14 | 杨芳林 | A kind of pavement structure and its construction method |
| CN111501466A (en) * | 2020-05-13 | 2020-08-07 | 中建八局第二建设有限公司 | Method for paving full-asphalt pavement of large-particle-size stone-filling roadbed |
-
2018
- 2018-07-30 CN CN201821218146.3U patent/CN209243483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999050A (en) * | 2018-07-30 | 2018-12-14 | 杨芳林 | A kind of pavement structure and its construction method |
| CN111501466A (en) * | 2020-05-13 | 2020-08-07 | 中建八局第二建设有限公司 | Method for paving full-asphalt pavement of large-particle-size stone-filling roadbed |
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