CN105862539A - Construction method for roller compacted concrete road - Google Patents
Construction method for roller compacted concrete road Download PDFInfo
- Publication number
- CN105862539A CN105862539A CN201610187808.4A CN201610187808A CN105862539A CN 105862539 A CN105862539 A CN 105862539A CN 201610187808 A CN201610187808 A CN 201610187808A CN 105862539 A CN105862539 A CN 105862539A
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- CN
- China
- Prior art keywords
- road
- construction method
- concrete
- expansion joint
- construction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete 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
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/06—Methods of making joints
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention relates to the technical field of road construction, in particular to a construction method for a roller compacted concrete road. The method includes the steps that S1, concrete with the water content of 30%-70% is continuously laid on a road; S2, a roller compactor is used for rolling and compacting the laid road segment; and S3, expansion joints are cut on the rolled and compacted road surface, and the included angle between the extending direction of the expansion joints and the traveling direction on the road is larger than or smaller than 90 degrees. Compared with existing concrete road construction methods, the construction method greatly shortens the construction period, and construction steps are simplified; compared with traditional asphalt roads, the road constructed through the construction method for the roller compacted concrete road is better in durability, when vehicles pass, the contact areas between wheels and the expansion joints are larger, bumping of the vehicles is reduced, and driving comfortableness is improved.
Description
Technical field
The present invention relates to technical field of road construction, particularly relate to a kind of grinding coagulation dirt road road
Construction method.
Background technology
At present frequently with road construction method mainly have two kinds, one is casting concrete road
Construction, another kind is that Colophonium rolls road construction.
Firstly the need of arranging template in basic unit during casting concrete road construction, then in template
Lay concrete in the region surrounded, need to utilize tank car by concrete transportation in process of deployment
To construction location, then the concrete in tank car is poured at construction road to be onstructed, utilizes
Vibrator fully vibrates and is consolidated by concrete and strike off, and finally needs to cut on the road surface of hardening
The a series of operation such as expansion joint, construction period is longer, additionally due to need to use tank car transport
Concrete, it is necessary to ensureing the mobility of concrete, the water content in usual concrete can exceed
Water needed for hardening of cement, but too much moisture often during vibrating on road surface shape
Becoming flushing hole, flushing hole is formed such that the anti-freezing property of road is deteriorated, and affects the strong of road
Degree and life-span, the expansion joint of concrete road the most of the prior art often causes vehicle to exist
Jolting in driving process, the comfort of impact driving；Colophonium rolls the driving of road construction road surface
Comfort is good, short construction period, but poor durability, and maintenance cost is higher.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is to solve casting concrete road construction cycle length, OK
Car comfortableness is poor, long construction period, vehicle are jolting and Colophonium rolls through out-of-date easy generation
The problem that road poor durability, maintenance cost are high.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides executing of a kind of grinding coagulation dirt road road
Work method, including step S1, road is carried out by the concrete using water content to be 30%～70%
Continuous laying；S2, uses chaser to roll the section laid；S3, completes stone roller
Expansion joint, the bearing of trend at described expansion joint and the direction of traffic of road is cut on the road surface of pressure
Angle is more than or less than 90 degree.
Wherein, the tonnage of the chaser in described step S2 is more than 100 tons.
Wherein, the linear type being shaped as V-type or inclination at expansion joint in described step S3.
Wherein, in described step S1, the water content of concrete is 40%～60%.
Wherein, in described step S1, the water content of concrete is 45%～55%.
Wherein, the bearing of trend at described expansion joint is 60 degree with the angle of the direction of traffic of road.
Wherein, the bearing of trend at described expansion joint is 45 degree with the angle of the direction of traffic of road.
Wherein, also include step S4, the seamed edge at expansion joint is carried out chamfered.
Wherein, described step S1 is carried out arranging in road both sides before concrete is laid template or
Road tartar.
(3) beneficial effect
The technique scheme of the present invention has the advantage that the present invention first adopts when road construction
Road is laid by the concrete relatively low by water content, only uses water needed for the hardening considering cement
Amount, need not consider the mobility institute water requirement of cement, and relatively low water content can make cement occur
Hardening, will not form water injection hole because of excess moisture again, improve freeze proof intensity and the life-span of road,
And water content need not employing during laying road for relatively low concrete and vibrates
Device vibrates, and can realize the smooth of road surface by rolling of chaser, relative to existing
Some concrete road construction methods substantially reduce construction period, simplify construction procedure, and
Use the road that the construction method on this grinding coagulation dirt road road repairs relative to traditional Colophonium road
For road, durability is more preferable.Last cutting expansion joint, this expansion joint on the road surface rolled
Long bearing of trend and the direction of traffic of road between angle more than or less than 90 degree so that
Vehicle is becoming big through out-of-date wheel with the contact area at expansion joint, alleviates jolting of vehicle, carries
The high comfort level of driving.
Accompanying drawing explanation
Fig. 1 is the flow process of the construction method on the grinding coagulation dirt road road that the embodiment of the present invention provides
Figure；
Fig. 2 is the schematic diagram of the road being provided with V-type expansion joint that the embodiment of the present invention provides；
Fig. 3 is the road at the linear expansion joint being provided with inclination that the embodiment of the present invention provides
Schematic diagram.
In figure: 1: grinding coagulation dirt road road；2:V type expansion joint；3: the linear type of inclination
Expansion joint.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
It is fully described by, it is clear that described embodiment is a part of embodiment of the present invention, and not
It it is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is on the premise of making creative work the every other embodiment obtained, broadly fall into the present invention
The scope of protection.
In describing the invention, it should be noted that except as otherwise noted, " multiples' "
It is meant that two or more；Term " on ", D score, "left", "right", " interior ", " outward ",
" front end ", " rear end ", " head ", " afterbody " etc. instruction orientation or position relationship be based on
Orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplify description,
Rather than indicate or imply that the device of indication or element must have specific orientation, with specifically
Azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " the
One ", " second ", " the 3rd " etc. are only used for describing purpose, and it is not intended that instruction or hint
Relative importance.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clear and definite regulation and limit
Fixed, term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it may be consolidate
Fixed connection, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, also
It can be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.Right
For those of ordinary skill in the art, visual concrete condition understands that above-mentioned term is in the present invention
In concrete meaning.
As it is shown in figure 1, the construction party on a kind of grinding coagulation dirt road road of embodiment of the present invention offer
Method, it is characterised in that: include step S1, the concrete pair using water content to be 30%～70%
Road carries out continuous laying；Particularly as follows: be first according to certain ratio by water, cement, sand,
Rubble and outer-penetrating agent mix, wherein, and cement selection normal silicate water in the present embodiment
Mud, the particle diameter of rubble 5～32.5mm, surface drying proportion 2.63g/cm3, crush values 8%；
The modulus of fineness of sand is 3.16, surface drying proportion 2.59g/cm3, unit weight 1360kg/cm3；Outward
Mix agent and select Colophonium soap air entraining agent, the amount of referring and synthesizing 0.0002%, wood calcium volume 0.25%；Roll mixed
The mixing water of solidifying soil should use the fresh water of cleaning, when using undrinkable water, should pass through chemical examination,
Water quality has to comply with the requirement of nation-building ministerial standard, and wherein, sulphates content is less than 0.0027
mg/mm3, salinity must not exceed 0.005mg/mm3, pH value cannot be less than 4, must not contain
There are greasy dirt, mud and other harmful substances.Then batch (-type) or continuous way forced stirrer is used to enter
Row stirring, its material therefor is essentially identical with ordinary cement road concrete, is in place of difference
Concrete moisture content used by compaction type concrete road is than the coagulation used by ordinary cement road
Soil water content is low, it is only necessary to consider the hardening of cement, it is not necessary to considering mobility, water content is relatively
Hour will avoid road surface that the phenomenon of water injection hole occurs, thus improve road freeze proof by force
Degree.S2, uses chaser to carry out in the section laid before while laying concrete
Rolling, owing to the water content of concrete is less, this roller compaction process saves existing concrete road
Operation of vibrating in the work progress of road, can make road surface reach smooth only with chaser,
Substantially reduce construction period relative to existing concrete road construction method, simplify construction
Step.S3, cuts expansion joint, between bearing of trend and the direction of traffic of road at expansion joint
Angle is more than or less than 90 degree, and in embodiments of the invention, expansion joint is shaped as V-type or inclines
Oblique linear type, when grinding coagulation dirt road road 1 is wider as shown in Figure 2, selects V-type to stretch
Seam 2, and in the centre of road along one expansion joint of length direction cutting of road, such as Fig. 3 institute
Show that the linear type expansion joint 3 that can directly select inclination that grinding coagulation dirt road road 1 is narrower is stretched
The bearing of trend of contracting seam is 60 degree with the angle of the direction of traffic of road, when expansion joint extension side
To the angle with the direction of traffic of road be 60 degree time, the contact area phase at wheel and expansion joint
To relatively big, technical staff can rationally arrange expansion joint bearing of trend and road according to on-the-spot situation
The angle of road direction of traffic, it is also possible to be 45 degree or other so that vehicle is through out-of-date car
Wheel becomes big with the contact area at expansion joint, alleviates jolting of vehicle, improves the comfortable of driving
Degree.Additionally, can reasonably select difform expansion joint according to the situation of road, flexible
The shape of seam can also be Z-type, W type or M type etc..
Further, in step S1, the water content of concrete is 40%～60%, the least water
Content can make the step in minimizing concrete process of deployment, makes the more preferable road pavement of chaser enter
Row roll, in the present embodiment select be water content be the concrete of 45%～55%, this coagulation
Soil is in half-dried state, is more suitable for the laying on grinding coagulation dirt road road.
Further, the tonnage of the chaser in step S2 is more than 100 tons, under normal circumstances
The load-carrying of vehicle is less than 100 tons, uses the chaser more than 100 tons to roll road and not only makes
Road more consolidation, the road after rolling can bear the weight of large tonnage vehicle, improve
The intensity on road surface.
Further, the construction method on the grinding coagulation dirt road road that the present invention provides also includes step
S4, carries out chamfered to the seamed edge at expansion joint.When vehicle is through expansion joint, to expansion joint
Seamed edge produce pressure, the seamed edge at expansion joint is the most damaged, enters seamed edge
Row chamfered can avoid the generation of this situation.
It addition, needed the basic unit of road is processed, clearly before to road pavement concrete
Impurity in reason basic unit, and template or road tartar are set in road both sides, it is simple on road upper berth
If concrete.
In sum, the construction method on the grinding coagulation dirt road road that the present invention provides uses water content
Less concrete lays, it is to avoid forms water injection hole at road surface, improves road
Freeze proof intensity and the life-span, and use water content be 45%～55% concrete lay,
Process of deployment need not use vibrator to vibrate, link table can be realized by chaser
Face smooth, substantially reduces construction period relative to the construction of existing concrete road, simplifies
Construction procedure, and use road that the construction method on this grinding coagulation dirt road road repairs relative to
For traditional asphalt roads, durability is more preferable.Last cutting on the road surface rolled is stretched
Seam, the length direction at this expansion joint is more than or less than 90 degree with the angle of the direction of traffic of road,
Make vehicle become big through out-of-date wheel with the contact area at expansion joint, alleviate the top of vehicle
Winnow with a dustpan, improve the comfort level of driving.
Last it is noted that above example is only in order to illustrate technical scheme, and
Non-to its restriction；Although the present invention being described in detail with reference to previous embodiment, ability
The those of ordinary skill in territory is it is understood that it still can be to the skill described in foregoing embodiments
Art scheme is modified, or wherein portion of techniques feature is carried out equivalent；And these are repaiied
Change or replace, not making the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The spirit and scope of case.
Claims (9)
1. the construction method on a grinding coagulation dirt road road, it is characterised in that: include step
S1, the concrete using water content to be 30%～70% carries out continuous laying to road；
S2, uses chaser to roll the section laid；
S3, complete on the road surface rolled cut expansion joint, the bearing of trend at described expansion joint with
The angle of the direction of traffic of road is more than or less than 90 degree.
The construction method on grinding coagulation dirt road road the most according to claim 1, its feature
It is: the tonnage of the chaser in described step S2 is more than 100 tons.
The construction method on grinding coagulation dirt road road the most according to claim 1, its feature
It is: the linear type being shaped as V-type or inclination at expansion joint in described step S3.
The construction method on grinding coagulation dirt road road the most according to claim 3, its feature
It is: the bearing of trend at described expansion joint is 60 degree with the angle of the direction of traffic of road.
The construction method on grinding coagulation dirt road road the most according to claim 3, its feature
It is: the bearing of trend at described expansion joint is 45 degree with the angle of the direction of traffic of road.
The construction method on grinding coagulation dirt road road the most according to claim 1, its feature
It is: in described step S1, the water content of concrete is 40%～60%.
The construction method on grinding coagulation dirt road road the most according to claim 6, its feature
It is: in described step S1, the water content of concrete is 45%～55%.
The construction method on grinding coagulation dirt road road the most according to claim 1, its feature
It is: also include step S4, the seamed edge at expansion joint is carried out chamfered.
The construction method on grinding coagulation dirt road road the most according to claim 1, its feature
It is: described step S1 carries out arranging in road both sides before concrete is laid template or road tooth
Stone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187808.4A CN105862539A (en) | 2016-03-29 | 2016-03-29 | Construction method for roller compacted concrete road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187808.4A CN105862539A (en) | 2016-03-29 | 2016-03-29 | Construction method for roller compacted concrete road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105862539A true CN105862539A (en) | 2016-08-17 |
Family
ID=56625246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187808.4A Pending CN105862539A (en) | 2016-03-29 | 2016-03-29 | Construction method for roller compacted concrete road |
Country Status (1)
| Country | Link |
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| CN (1) | CN105862539A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3782846A (en) * | 1972-02-28 | 1974-01-01 | R Johnson | Joint forming and sealing device |
| CN1435537A (en) * | 2002-10-18 | 2003-08-13 | 居永立 | Concrete pavement diagonal joint seam construction method |
| CN1851132A (en) * | 2006-04-28 | 2006-10-25 | 易志坚 | Rolled polymer modified cement-concrete sprayed colour road surface structure, and its construction method |
| CN103089270A (en) * | 2013-01-23 | 2013-05-08 | 西南交通大学 | Excavating method suitable for large section loess tunnels |
| CN105133454A (en) * | 2015-07-28 | 2015-12-09 | 南丹县交通运输局 | Road construction method |
-
2016
- 2016-03-29 CN CN201610187808.4A patent/CN105862539A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3782846A (en) * | 1972-02-28 | 1974-01-01 | R Johnson | Joint forming and sealing device |
| CN1435537A (en) * | 2002-10-18 | 2003-08-13 | 居永立 | Concrete pavement diagonal joint seam construction method |
| CN1851132A (en) * | 2006-04-28 | 2006-10-25 | 易志坚 | Rolled polymer modified cement-concrete sprayed colour road surface structure, and its construction method |
| CN103089270A (en) * | 2013-01-23 | 2013-05-08 | 西南交通大学 | Excavating method suitable for large section loess tunnels |
| CN105133454A (en) * | 2015-07-28 | 2015-12-09 | 南丹县交通运输局 | Road construction method |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
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| RJ01 | Rejection of invention patent application after publication |