CN107558339A - A kind of high road pavement construction method - Google Patents
A kind of high road pavement construction method Download PDFInfo
- Publication number
- CN107558339A CN107558339A CN201710859714.1A CN201710859714A CN107558339A CN 107558339 A CN107558339 A CN 107558339A CN 201710859714 A CN201710859714 A CN 201710859714A CN 107558339 A CN107558339 A CN 107558339A
- Authority
- CN
- China
- Prior art keywords
- construction method
- roadbed
- road pavement
- pavement construction
- thickness
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions 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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/02—Concrete base for bituminous paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
Abstract
The invention discloses a kind of high road pavement construction method, comprise the following steps：First pressing is carried out to roadbed using vibrated roller, then completes the repairing of roadbed, removes all crowded broken, protuberances, hollowing；Homemade rendzinas is laid on roadbed, forms bed course；In the top of the bed course, pellet is first dispensed according to preset width, thickness layering using road-metal spreading machine, and the metalling of laying is fully rolled using rolling apparatus, flattened using land leveller after the completion of rolling, uniformly dispensed steel fibre self-compaction cement on metalling by predetermined close using powder truck spreader；Mix is carried out using cold regenerative machine, forms sub-surface；One layer of sealing of construction, then lays top course on sub-surface.Short construction period of the present invention, the pollution to environment is reduced while reducing manpower, and ensure the density of load, fatigue resistance, compression strength, impact strength and the stability on road surface.
Description
Technical field
The present invention relates to a kind of construction method, and in particular to a kind of high road pavement construction method.
Background technology
Highway is the important component of whole communications and transportation, and highway can be used as feed service with more in short-distance transport
Railway, water transport and the deficiency of air transport are mended, plays a part of main line again in long-distance transport.Highway is to people's lives, national economy
All play great effect.But in many areas, particularly rural area, the place for laying highway be mostly agricultural land used,
Power supply for construction is difficult, transportation range farther out, compound is mixing and stirring, transport, discharging, is being also easy to produce isolation, surface mistake in paving process
The defects of water is serious, also, procedures can not be easily completed in jelling time, mostly using artificial spreading cement
Mode, not only need a large amount of manual labors, cause a large amount of dust, and cement dose is difficult to accurately control, mix effect also compared with
Difference, while also generally existing easily ftractures on existing road surface, sagging situation.
The content of the invention
To solve the above problems, the invention provides a kind of high road pavement construction method, short construction period, manpower is reduced
Reduce pollution to environment simultaneously, and ensure the density of load on road surface, fatigue resistance, compression strength, impact strength and
Stability.
To achieve the above object, the technical scheme taken of the present invention is：
A kind of high road pavement construction method, comprises the following steps：
S1, first pressing carried out to roadbed using vibrated roller, then complete the repairing of roadbed, remove all crowded broken, grand
Rise, hollowing；
S2, homemade rendzinas is laid on roadbed after roadbed acceptance(check), forms bed course；
S3, in the top of the bed course, pellet is first dispensed according to preset width, thickness layering using road-metal spreading machine, and
The metalling of laying is fully rolled using rolling apparatus, is flattened using land leveller after the completion of rolling, is dispensed using powder
Car is uniformly dispensed steel fibre self-compaction cement on metalling by predetermined close；
S4, using cold regenerative machine the steel fibre self-compaction cement of spreading is carried out according to predetermined water-carrying capacity and gait of march
Mix, form sub-surface；
S5, one layer of sealing of being constructed on sub-surface, then using bituminous concrete, bituminous concrete moxture, tar sand
Form top course.
Preferably, the self-control rendzinas is prepared by the raw material of following parts by weight：
12% rendzinas 70-80 parts, polypropylene fibre 10-20 parts, chemicals-resistant modifying agent 15-10 parts, rubber powder 3-6
Part.
Preferably, the chemicals-resistant modifying agent is the acrylic acid series additive of perfluoroalkyl.
Preferably, the depth of mix reaches 0.5cm~1cm below the upper surface of the bed course in the step S4, described
Cold regenerative machine is adjacent mix and stir twice between longitudinal overlap 25cm~30cm, lateral overlap 55cm~85cm.
Preferably, steel fibre self-compaction cement is prepared from the following components：
Portland cement 415kg/m3, water 285kg/m3, steel fibre 15kg/m3, sulfoaluminate clinker 25kg/m3, carbon fiber
16kg/m3, silicon nanoparticle 5.5kg/m3, nano-calcium carbonate 10kg/m3, acrylic emulsion 25kg/m3。
Preferably, the length of steel fiber is 30-40mm, a diameter of 0.5-0.9mm.
Preferably, the thickness of the bed course is 15cm~20cm, and the thickness of the sub-surface is 25cm~35cm,
The thickness of the sealing is 1cm；The thickness of the top course is 4cm~15cm.
The invention has the advantages that：
Pellet is first dispensed using road-metal spreading machine, then rolled pellet, and is flattened using land leveller, then using powder
Material truck spreader is uniformly dispensed cement by predetermined close on pellet, is completed to mix and stir by cold regenerative machine, is formed basic unit, mechanization
Degree is high, is easy to scene manipulation, avoids pellet Secondary Transport, reduces the pollution to environment, while by first pressing and to broken
Rock layers roll the mode being combined, and avoid the problem of occurring to settle in the future because of compacting deficiency；By make by oneself rendzinas with
And the optimization of fiber self-dense cement formula, it ensure that the density of load on road surface, fatigue resistance, compression strength, impact resistance are strong
Degree and stability.
Embodiment
In order that objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments further
Describe in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
Self-control rendzinas used in following examples is prepared by the raw material of following parts by weight：
12% rendzinas 70-80 parts, polypropylene fibre 10-20 parts, chemicals-resistant modifying agent 15-10 parts, rubber powder 3-6
Part, the chemicals-resistant modifying agent is the acrylic acid series additive of perfluoroalkyl.
The steel fibre self-compaction cement is prepared from the following components：
Portland cement 415kg/m3, water 285kg/m3, steel fibre 15kg/m3, sulfoaluminate clinker 25kg/m3, carbon fiber
16kg/m3, silicon nanoparticle 5.5kg/m3, nano-calcium carbonate 10kg/m3, acrylic emulsion 25kg/m3, the length of steel fiber
For 30-40mm, a diameter of 0.5-0.9mm.
Embodiment 1
A kind of high road pavement construction method, comprises the following steps：
S1, first pressing carried out to roadbed using vibrated roller, then complete the repairing of roadbed, remove all crowded broken, grand
Rise, hollowing；
S2, homemade rendzinas is laid on roadbed after roadbed acceptance(check), forms bed course；
S3, in the top of the bed course, pellet is first dispensed according to preset width, thickness layering using road-metal spreading machine, and
The metalling of laying is fully rolled using rolling apparatus, is flattened using land leveller after the completion of rolling, is dispensed using powder
Car is uniformly dispensed steel fibre self-compaction cement on metalling by predetermined close；
S4, using cold regenerative machine the steel fibre self-compaction cement of spreading is carried out according to predetermined water-carrying capacity and gait of march
Mix, form sub-surface；The depth of mix reaches 0.5cm~1cm below the upper surface of the bed course, the cold regenerative machine phase
Longitudinal overlap 25cm~30cm, lateral overlap 55cm~85cm between neighbour mixes and stirs twice.
S5, on sub-surface construct one layer of sealing, then using bituminous concrete, bituminous concrete moxture, tar sand,
Any of the gravel of soil and the compound of rubble are mixed, forms top course.
The thickness of the bed course is 15cm, and the thickness of the sub-surface is 25cm, and the thickness of the sealing is
1cm；The thickness of the top course is 4cm.
Embodiment 2
A kind of high road pavement construction method, comprises the following steps：
S1, first pressing carried out to roadbed using vibrated roller, then complete the repairing of roadbed, remove all crowded broken, grand
Rise, hollowing；
S2, homemade rendzinas is laid on roadbed after roadbed acceptance(check), forms bed course；
S3, in the top of the bed course, pellet is first dispensed according to preset width, thickness layering using road-metal spreading machine, and
The metalling of laying is fully rolled using rolling apparatus, is flattened using land leveller after the completion of rolling, is dispensed using powder
Car is uniformly dispensed steel fibre self-compaction cement on metalling by predetermined close；
S4, using cold regenerative machine the steel fibre self-compaction cement of spreading is carried out according to predetermined water-carrying capacity and gait of march
Mix, form sub-surface；The depth of mix reaches 0.5cm~1cm below the upper surface of the bed course, the cold regenerative machine phase
Longitudinal overlap 25cm~30cm, lateral overlap 55cm~85cm between neighbour mixes and stirs twice.
S5, on sub-surface construct one layer of sealing, then using bituminous concrete, bituminous concrete moxture, tar sand,
Any of the gravel of soil and the compound of rubble are mixed, forms top course.
The thickness of the bed course is 20cm, and the thickness of the sub-surface is 35cm, and the thickness of the sealing is
1cm；The thickness of the top course is 9.5cm.
Embodiment 3
A kind of high road pavement construction method, comprises the following steps：
S1, first pressing carried out to roadbed using vibrated roller, then complete the repairing of roadbed, remove all crowded broken, grand
Rise, hollowing；
S2, homemade rendzinas is laid on roadbed after roadbed acceptance(check), forms bed course；
S3, in the top of the bed course, pellet is first dispensed according to preset width, thickness layering using road-metal spreading machine, and
The metalling of laying is fully rolled using rolling apparatus, is flattened using land leveller after the completion of rolling, is dispensed using powder
Car is uniformly dispensed steel fibre self-compaction cement on metalling by predetermined close；
S4, using cold regenerative machine the steel fibre self-compaction cement of spreading is carried out according to predetermined water-carrying capacity and gait of march
Mix, form sub-surface；The depth of mix reaches 0.5cm~1cm below the upper surface of the bed course, the cold regenerative machine phase
Longitudinal overlap 25cm~30cm, lateral overlap 55cm~85cm between neighbour mixes and stirs twice.
S5, on sub-surface construct one layer of sealing, then using bituminous concrete, bituminous concrete moxture, tar sand,
Any of the gravel of soil and the compound of rubble are mixed, forms top course.
The thickness of the bed course is 17.5cm, and the thickness of the sub-surface is 30cm, and the thickness of the sealing is
1cm；The thickness of the top course is 15cm.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
- A kind of 1. high road pavement construction method, it is characterised in that comprise the following steps：S1, first pressing carried out to roadbed using vibrated roller, then complete the repairing of roadbed, remove all crowded broken, protuberances, sky Drum；S2, homemade rendzinas is laid on roadbed after roadbed acceptance(check), forms bed course；S3, in the top of the bed course, first dispense pellet according to preset width, thickness layering using road-metal spreading machine, and use Rolling apparatus is fully rolled to the metalling of laying, is flattened after the completion of rolling using land leveller, will using powder truck spreader Steel fibre self-compaction cement is uniformly dispensed on metalling by predetermined close；S4, using cold regenerative machine the steel fibre self-compaction cement of spreading is mixed according to predetermined water-carrying capacity and gait of march Close, form sub-surface；S5, one layer of sealing of being constructed on sub-surface, are then formed using bituminous concrete, bituminous concrete moxture, tar sand Top course.
- 2. a kind of high road pavement construction method as claimed in claim 1, it is characterised in that the self-control rendzinas is by following heavy The raw material of amount part is prepared：12% rendzinas 70-80 parts, polypropylene fibre 10-20 parts, chemicals-resistant modifying agent 15-10 parts, rubber powder 3-6 parts.
- 3. a kind of high road pavement construction method as claimed in claim 2, it is characterised in that the chemicals-resistant modifying agent is complete The acrylic acid series additive of fluoroalkyl.
- A kind of 4. high road pavement construction method as claimed in claim 1, it is characterised in that the depth of mix in the step S4 Reach 0.5cm~1cm below the upper surface of the bed course, the cold regenerative machine is adjacent mix and stir twice between longitudinal overlap 25cm~ 30cm, lateral overlap 55cm~85cm.
- 5. a kind of high road pavement construction method as claimed in claim 1, it is characterised in that steel fibre self-compaction cement is by following Component is prepared：Portland cement 415kg/m3, water 285kg/m3, steel fibre 15kg/m3, sulfoaluminate clinker 25kg/m3, carbon fiber 16kg/ m3, silicon nanoparticle 5.5kg/m3, nano-calcium carbonate 10kg/m3, acrylic emulsion 25kg/m3。
- 6. a kind of high road pavement construction method as claimed in claim 1 as claimed in claim 5, it is characterised in that described Length of steel fiber is 30-40mm, a diameter of 0.5-0.9mm.
- 7. a kind of high road pavement construction method as claimed in claim 1 as claimed in claim 5, it is characterised in that described The thickness of bed course is 15cm~20cm, and the thickness of the sub-surface is 25cm~35cm, and the thickness of the sealing is 1cm；The thickness of the top course is 4cm~15cm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710859714.1A CN107558339A (en) | 2017-09-21 | 2017-09-21 | A kind of high road pavement construction method |
| CN202210561480.3A CN115045163A (en) | 2017-09-21 | 2017-09-21 | Steel fiber self-compacting cement and application thereof, highway pavement and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710859714.1A CN107558339A (en) | 2017-09-21 | 2017-09-21 | A kind of high road pavement construction method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210561480.3A Division CN115045163A (en) | 2017-09-21 | 2017-09-21 | Steel fiber self-compacting cement and application thereof, highway pavement and construction method thereof |
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| CN107558339A true CN107558339A (en) | 2018-01-09 |
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| CN201710859714.1A Pending CN107558339A (en) | 2017-09-21 | 2017-09-21 | A kind of high road pavement construction method |
| CN202210561480.3A Pending CN115045163A (en) | 2017-09-21 | 2017-09-21 | Steel fiber self-compacting cement and application thereof, highway pavement and construction method thereof |
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| CN202210561480.3A Pending CN115045163A (en) | 2017-09-21 | 2017-09-21 | Steel fiber self-compacting cement and application thereof, highway pavement and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021174A (en) * | 2019-12-16 | 2020-04-17 | 南通永泰建设工程有限公司 | Construction method of urban road |
| WO2020199781A1 (en) * | 2019-04-04 | 2020-10-08 | 佛山市交通科技有限公司 | Method for paving combined base course asphalt road surface |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730841A (en) * | 2005-08-05 | 2006-02-08 | 贾燎 | Slope support method by compacting soil-lime to form cushion solid |
| CN1932167A (en) * | 2006-07-25 | 2007-03-21 | 南京大学 | Chopped fiber reinforced rendzinas ground treatment method |
| CN101323516A (en) * | 2008-07-14 | 2008-12-17 | 北京航空航天大学 | Rubber modified solidified soil, and preparing and construction method |
| CN104446264A (en) * | 2014-12-19 | 2015-03-25 | 湖南明湘科技发展有限公司 | Cement-based nanocomposite material and preparation method thereof |
| CN105155378A (en) * | 2015-09-02 | 2015-12-16 | 湖州浩诚环境工程有限公司 | Limestone soil road bed construction process |
| CN105256683A (en) * | 2015-09-10 | 2016-01-20 | 东南大学 | Permafrost region roadbed thermal insulation construction method |
| CN105347755A (en) * | 2015-11-11 | 2016-02-24 | 浙江大学宁波理工学院 | Cement-based composite cementing material with high endurance |
| CN105906257A (en) * | 2016-04-03 | 2016-08-31 | 黄河水利职业技术学院 | Building material |
| CN106192660A (en) * | 2016-07-13 | 2016-12-07 | 鄂尔多斯市路泰公路工程有限责任公司 | Highway Pavement Structures and construction method thereof |
| CN106946480A (en) * | 2017-03-20 | 2017-07-14 | 郑州科技学院 | A kind of high-performance building cement and preparation method thereof |
| CN106120524B (en) * | 2016-07-02 | 2018-07-17 | 天鸿建设集团有限公司 | A kind of road construction method on pavement and non-motorized lane intersection |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948622B (en) * | 2006-10-31 | 2012-04-18 | 易志坚 | Polymer modified cement hole concrete road surface structure and construction method |
| CN101806028B (en) * | 2010-03-16 | 2011-12-14 | 武汉理工大学 | Layered steel fiber conductive bituminous concrete |
-
2017
- 2017-09-21 CN CN201710859714.1A patent/CN107558339A/en active Pending
- 2017-09-21 CN CN202210561480.3A patent/CN115045163A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730841A (en) * | 2005-08-05 | 2006-02-08 | 贾燎 | Slope support method by compacting soil-lime to form cushion solid |
| CN1932167A (en) * | 2006-07-25 | 2007-03-21 | 南京大学 | Chopped fiber reinforced rendzinas ground treatment method |
| CN101323516A (en) * | 2008-07-14 | 2008-12-17 | 北京航空航天大学 | Rubber modified solidified soil, and preparing and construction method |
| CN104446264A (en) * | 2014-12-19 | 2015-03-25 | 湖南明湘科技发展有限公司 | Cement-based nanocomposite material and preparation method thereof |
| CN105155378A (en) * | 2015-09-02 | 2015-12-16 | 湖州浩诚环境工程有限公司 | Limestone soil road bed construction process |
| CN105256683A (en) * | 2015-09-10 | 2016-01-20 | 东南大学 | Permafrost region roadbed thermal insulation construction method |
| CN105347755A (en) * | 2015-11-11 | 2016-02-24 | 浙江大学宁波理工学院 | Cement-based composite cementing material with high endurance |
| CN105906257A (en) * | 2016-04-03 | 2016-08-31 | 黄河水利职业技术学院 | Building material |
| CN106120524B (en) * | 2016-07-02 | 2018-07-17 | 天鸿建设集团有限公司 | A kind of road construction method on pavement and non-motorized lane intersection |
| CN106192660A (en) * | 2016-07-13 | 2016-12-07 | 鄂尔多斯市路泰公路工程有限责任公司 | Highway Pavement Structures and construction method thereof |
| CN106946480A (en) * | 2017-03-20 | 2017-07-14 | 郑州科技学院 | A kind of high-performance building cement and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199781A1 (en) * | 2019-04-04 | 2020-10-08 | 佛山市交通科技有限公司 | Method for paving combined base course asphalt road surface |
| CN111021174A (en) * | 2019-12-16 | 2020-04-17 | 南通永泰建设工程有限公司 | Construction method of urban road |
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| Publication number | Publication date |
|---|---|
| CN115045163A (en) | 2022-09-13 |
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Application publication date: 20180109 |