CN110409255A - Town road and constructing operation method - Google Patents
Town road and constructing operation method Download PDFInfo
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- CN110409255A CN110409255A CN201910663289.8A CN201910663289A CN110409255A CN 110409255 A CN110409255 A CN 110409255A CN 201910663289 A CN201910663289 A CN 201910663289A CN 110409255 A CN110409255 A CN 110409255A
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- supercrust
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Classifications
-
- 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
- C04B28/04—Portland 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
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/245—Methods or arrangements for preventing slipperiness or protecting against influences of the weather for preventing ice formation or for loosening ice, e.g. special additives to the paving material, resilient coatings
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/29—Frost-thaw resistance
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
Abstract
The present invention relates to municipal construction fields, town road aiming at the problem that low temperature is easy icing bursting by freezing, provide a kind of municipal road construction operating method, comprising the following steps: S1, earth excavation；S2, cleaning roadbed；S3, subgrade compaction form base course；S4, it is laid with stonework road cutting；S5, it is laid with supercrust；Concrete slurry includes the component of following mass fraction: 90-100 parts of portland cement；70-80 parts of nanometer calcium carbonate；100-110 parts of salt water；20-25 parts of magnetic iron powder of nanometer；70-80 parts of nanometer iron powder；25-30 parts of casein；The mass concentration of salt water is 40%-50%.Traditional water is replaced by using salt water, advantageously reduce the freezing point of water, so that concrete slurry is not easy to freeze, so that concrete slurry is preferably suitable for cold district, so that supercrust is not easy to crack because of the expansion of icing under cryogenic, and then be conducive to improve the traffic safety on road surface.
Description
Technical field
The present invention relates to municipal construction fields, more specifically, it relates to a kind of town road and constructing operation method.
Background technique
Town road refers to each area in sensible city, uses for communications and transportation in city and pedestrian, convenient for resident living,
Work and cultural and recreational activity, and the road for bearing external traffic is connect with road outside city.
Communications and transportation is the artery of national economy, plays immeasurable effect to the entire national economic development.But when
When atmospheric air temperature is lower than zero degree, inhales water saturated concrete and be easy to appear frost, free water easily becomes ice, so that body
Product expansion, thus be easy so that concrete generates swelling stress, so that concrete is easy cracking, so that traffic safety
It may be subjected to influence, therefore, still there is improved space.
Summary of the invention
In view of the deficienciess of the prior art, the first object of the present invention is to provide a kind of municipal road construction operation side
Method has the advantages that the resulting town road of construction is not easy bursting by freezing.
To achieve the above object, the present invention provides the following technical scheme that
A kind of municipal road construction operating method, comprising the following steps:
S1, earth excavation；
S2, cleaning roadbed；
S3, subgrade compaction form base course；
S4, it is laid with stonework road cutting: backfilling mountain flour in roadbed and be compacted, then the rubble that paves on the mountain flour of compacting, and press
In fact to form stonework road cutting；
S5, it is laid with supercrust: casting concrete slurries and molding is conserved on stonework road cutting, to form supercrust；
The concrete slurry includes the component of following mass fraction:
90-100 parts of portland cement；
70-80 parts of nanometer calcium carbonate；
100-110 parts of salt water；
20-25 parts of magnetic iron powder of nanometer；
70-80 parts of nanometer iron powder；
25-30 parts of casein；
The mass concentration of the salt water is 40%-50%.
By adopting the above technical scheme, traditional water is replaced by using salt water, advantageously reduces the freezing point of water, so that
Concrete slurry is not easy to freeze, so that concrete slurry is preferably suitable for cold district, so that supercrust is in low temperature
Under the conditions of be not easy to crack because of the expansion of icing, and then be conducive to improve road surface traffic safety；
By the way that nanometer calcium carbonate is added as fine aggregate, so that coarse aggregate is not present in concrete slurry, to be conducive to
Enhance the mobility of concrete slurry, so that concrete slurry is easier to penetrate into stonework road cutting, is conducive to increase concrete
The contact area of slurries and stonework road cutting, and then be conducive to enhance the adhesive strength of supercrust and stonework road cutting, so that supercrust
It is more not easily separate with stonework road cutting, and then is conducive to enhance the stability of town road, so that the traffic of town road is pacified
Full property improves；
The suction in magnetic iron powder is easy to by the way that nanometer magnetic iron powder and nanometer iron powder cooperation, the iron powder on magnetic iron powder periphery is added
Draw it is lower slowly towards magnetic iron powder reunite, the bigger aggregate of partial size is ultimately formed, to be conducive to reinforcing concrete slurries, Jin Eryou
Conducive to the compression strength for improving supercrust, so that supercrust is not easily susceptible to cracking when being under pressure, be conducive to the knot for improving road surface
Structure stability, and then be conducive to make flowing of the concrete slurry when pouring while the compression strength that supercrust keeps certain
Property is not readily susceptible to influence；
By the way that casein is added, be conducive to the metal ion in concrete slurry in conjunction with casein, to be conducive to magnetic
Iron powder and iron powder are preferably dispersed in concrete slurry, so that concrete slurry is easier to stir evenly, so that
After concrete slurry pours, nanometer iron powder starts to reunite again with nanometer magnetic iron powder, is conducive to the stream that concrete slurry keeps certain
Be conducive to enhance concrete slurry compression strength after molding while dynamic property, and then be conducive to enhance the compression strength on road surface,
So that road surface is more not easily susceptible to cracking when being under pressure, be conducive to the safety for improving road surface.
The present invention is further arranged to: the base course with a thickness of 15-20cm, the stonework road cutting with a thickness of 28-
32cm, the supercrust with a thickness of 25-28cm.
By adopting the above technical scheme, by the thickness of control base course, stonework road cutting and supercrust, be conducive to enhance city
The bearing capacity of each layer of political affairs road advantageously reduces while road surface slight crack occurs because of tension fatigue and also helps reduction because of vehicle
The shearing force that weight bearing generates so that road surface is not easily susceptible to cracking when being pressurized, and then is conducive to extend the service life of town road,
Be conducive to improve the safety of town road.
The present invention is further arranged to: in the step S5, after concrete slurry final set, that is, being carried out continuous water drenching and is supported
Shield, so that concrete is in moisture state always, and controlling curing temperature is 35-40 DEG C, and control curing time is 6-10 days.
By adopting the above technical scheme, by controlling the curing temperature and curing time of concrete, coagulation is advantageously reduced
Moisture evaporation of the soil paste liquid in process of setting, so that concrete slurry is not easy to crack because moisture evaporation is too fast, into
And be conducive to improve the compression strength of supercrust, and then be conducive to improve the safety of town road.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
3-5 parts of hollow glass micropearl.
By adopting the above technical scheme, by the way that hollow glass micropearl is added, be conducive to fill the hole in portland cement, make
Be not easy that there are holes in concrete slurry, to be conducive to improve the compactness of concrete slurry, and then be conducive to improve
Anti-permeability performance and compression strength after concrete slurry solidification, so that being more not easy water storage inside concrete slurry, in turn
So that being not easy water storage in supercrust, so that supercrust is not easy to freeze under cryogenic, so that supercrust is not
It is easy to crack because of icing, and then is conducive to improve the safety of town road；Meanwhile hollow glass micropearl also helps enhancing
The compression strength of supercrust so that supercrust is more not easily susceptible to cracking when being under pressure, and then is conducive to extend town road
Service life.
The present invention is further arranged to: the partial size of the hollow glass micropearl is 25-35 μm.
By adopting the above technical scheme, it is 25-35 μm by controlling the partial size of hollow glass micropearl, is conducive to enhance hollow glass
The filling effect of glass microballon, so that being more not easy that there are holes in concrete slurry, to be conducive to enhance the close of supercrust
Solidity, so that the anti-permeability performance of supercrust and compressive property enhancing, so that town road is more not easily susceptible to cracking,
And then be conducive to improve the safety of town road.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
1-2 parts of SILICA FUME.
By adopting the above technical scheme, by the way that SILICA FUME is added, be conducive to the hole in fill concrete slurries, so that road surface
The compactness of layer improves, to be conducive to enhance the anti-permeability performance and compressive property of supercrust, so that inside supercrust more
It is not easy to store and has water, so that road surface is more not easy to freeze under cryogenic, so that road surface is more not easy because freezing
It expands and cracks, and then be conducive to extend the service life of town road, so that the safety is improved for town road.
The present invention is further arranged to: the partial size of the SILICA FUME is 1200-1500 mesh.
By adopting the above technical scheme, it is 1200-1500 mesh by controlling the partial size of SILICA FUME, is conducive to enhance SILICA FUME
Filling effect, so that more it is not easy that there are holes in concrete slurry, thus be conducive to improve the compactness of supercrust, so that
The compression strength and anti-permeability performance of supercrust enhance, so that being more not easy that there are moisture inside supercrust, in turn
So that road surface is not easy to freeze, while road surface is made to be not easy to crack because of freezing and expansion, and then be conducive to extend town road
Service life so that the safety is improved for town road.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
1-3 parts of tea polyphenols.
By adopting the above technical scheme, by be added tea polyphenols, be conducive to enhance concrete slurry antioxygenic property and
Anti-ultraviolet property so that the compression strength of supercrust is more not susceptible to the influence of ultraviolet light, and then is conducive to extend road surface
The service life of layer；Meanwhile tea polyphenols also help the bacteriostasis property of enhancing concrete slurry, so that concrete slurry is more not
It is easy the erosion by bacterium.
In view of the deficienciess of the prior art, the second object of the present invention is to provide a kind of town road, has and do not allow
The advantages of easy bursting by freezing.
To achieve the above object, the present invention provides the following technical scheme that
A kind of town road prepares gained by above-mentioned municipal road construction operating method.
By adopting the above technical scheme, town road is prepared by using above-mentioned municipal road construction method, is conducive to enhance
The anti-freezing property of town road, so that town road is not easy to freeze at low temperature, so that town road is not easy because of knot
Ice is expanded and is cracked, and is conducive to extend the service life of town road, meanwhile, be conducive to the scope of application for expanding town road.
In conclusion the invention has the following advantages:
1. replacing traditional water by using salt water, the freezing point of water is advantageously reduced, so that concrete slurry is not allowed
It easily freezes, so that concrete slurry is preferably suitable for cold district, so that supercrust is not easily susceptible to cracking, also helps and mention
The traffic safety on high road surface；
2. being conducive to the mobility for enhancing concrete slurry, so that coagulation by the way that nanometer calcium carbonate is added as fine aggregate
Soil paste liquid is easier to penetrate into stonework road cutting, so that supercrust is more not easily separate with stonework road cutting, is conducive to enhance city
The stability of political affairs road, so that the traffic safety of town road improves；
3. being easy to by the way that nanometer magnetic iron powder and nanometer iron powder cooperation, the iron powder on magnetic iron powder periphery is added in magnetic iron powder
Slowly reunite towards magnetic iron powder under attraction, ultimately forms the bigger aggregate of partial size, be conducive to reinforcing concrete slurries, so that road surface
Layer is not easily susceptible to cracking when being under pressure, and is conducive to while the compression strength that supercrust keeps certain concrete slurry be existed
Mobility when pouring is not readily susceptible to influence；
4. being conducive to the metal ion in concrete slurry by the way that casein is added in conjunction with casein, being conducive to magnet
Powder and iron powder are preferably dispersed in concrete slurry, while being conducive to the mobility that concrete slurry keeps certain
Be conducive to enhance concrete slurry compression strength after molding, be conducive to the safety for improving road surface.
Specific embodiment
With reference to embodiments, invention is further described in detail.
In following embodiment, portland cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In following embodiment, nanometer calcium carbonate uses the nanometer of the model CCR-4 of Qingyuan City peak powder Co., Ltd
Calcium carbonate.
In following embodiment, casein uses the casein of Shandong Ju Rong bioengineering Co., Ltd.
In following embodiment, hollow glass micropearl uses the sky of the model 2018 of million Tong Bosu Science and Technology Ltd. of Guangdong
Heart glass microballoon.
In following embodiment, SILICA FUME uses the SILICA FUME of Guangzhou Gongshi chemical materials Co., Ltd.
In following embodiment, tea polyphenols use Jiangsu thousand to moor the article No. of bioengineering Co., Ltd as 0336 tea polyphenols.
Embodiment 1
A kind of municipal road construction operating method, comprising the following steps:
S1, earth excavation, specific as follows:
According to road extending direction earth excavation in design drawing, the excavation width of the earthwork is 110% that design is had a lot of social connections, soil
The cutting depth of side is the 105% of projected depth.
S2, cleaning roadbed, specific as follows:
Weeds, root system and the building waste etc. in roadbed are removed, while the miscellaneous fill in roadbed being cleaned out.
S3, subgrade compaction, specific as follows:
By the roadbed cleaned out tamp, and using road roller be compacted, formed base course, and control base course with a thickness of
15cm。
S4, it is laid with stonework road cutting, specific as follows:
Mountain flour is backfilled in roadbed, is compacted with road roller, and is controlled rolling layer and be no less than 8 times, while controlling compacting
Mountain flour afterwards is with a thickness of 28cm, then the rubble that uniformly paves on the mountain flour of compacting, and then rubble is pressed into mountain flour with road roller
In, and it is steady to be depressed into its surface, forms stonework road cutting.
S5, it is laid with supercrust, specific as follows:
The casting concrete slurries on stonework road cutting control pouring with a thickness of 25cm for concrete slurry, to concrete grout
After liquid final set, continuous showering curing is carried out, so that concrete is in moisture state always, and controlling curing temperature is 35 DEG C, control
Curing time processed is 10 days, to form supercrust.
Wherein, concrete slurry includes the component of following mass fraction:
Portland cement 90kg；Nanometer calcium carbonate 80kg；Salt water 105kg；Nanometer magnetic iron powder 20kg；Nanometer iron powder 80kg；
Casein 25kg.
In the present embodiment, the mass concentration of salt water is 40%.
Concrete slurry the preparation method is as follows:
S1, portland cement 90kg, salt water 105kg are added in the stirred tank of 450L, are uniformly mixed, it is pre- to be formed
Mixed object；
S2, be stirred with the revolving speed of 350r/min, while stirring be added nanometer magnetic iron powder 20kg, nanometer iron powder 80kg with
And casein 25kg, it is uniformly mixed, to form mixture；
S3, nanometer calcium carbonate 80kg is added into mixture while stirring, stirs evenly, that is, forms concrete slurry.
Embodiment 2
A kind of municipal road construction operating method, comprising the following steps:
S1, earth excavation, specific as follows:
According to road extending direction earth excavation in design drawing, the excavation width of the earthwork is 110% that design is had a lot of social connections, soil
The cutting depth of side is the 105% of projected depth.
S2, cleaning roadbed, specific as follows:
Weeds, root system and the building waste etc. in roadbed are removed, while the miscellaneous fill in roadbed being cleaned out.
S3, subgrade compaction, specific as follows:
By the roadbed cleaned out tamp, and using road roller be compacted, formed base course, and control base course with a thickness of
18cm。
S4, it is laid with stonework road cutting, specific as follows:
Mountain flour is backfilled in roadbed, is compacted with road roller, and is controlled rolling layer and be no less than 8 times, while controlling compacting
Mountain flour afterwards is with a thickness of 30cm, then the rubble that uniformly paves on the mountain flour of compacting, and then rubble is pressed into mountain flour with road roller
In, and it is steady to be depressed into its surface, forms stonework road cutting.
S5, it is laid with supercrust, specific as follows:
The casting concrete slurries on stonework road cutting control pouring with a thickness of 27cm for concrete slurry, to concrete grout
After liquid final set, continuous showering curing is carried out, so that concrete is in moisture state always, and controlling curing temperature is 38 DEG C, control
Curing time processed is 8 days, to form supercrust.
Wherein, concrete slurry includes the component of following mass fraction:
Portland cement 95kg；Nanometer calcium carbonate 70kg；Salt water 110kg；Nanometer magnetic iron powder 25kg；Nanometer iron powder 70kg；
Casein 30kg.
In the present embodiment, the mass concentration of salt water is 45%.
Concrete slurry the preparation method is as follows:
S1, portland cement 95kg, salt water 110kg are added in the stirred tank of 450L, are uniformly mixed, it is pre- to be formed
Mixed object；
S2, be stirred with the revolving speed of 350r/min, while stirring be added nanometer magnetic iron powder 25kg, nanometer iron powder 70kg with
And casein 30kg, it is uniformly mixed, to form mixture；
S3, nanometer calcium carbonate 70kg is added into mixture while stirring, stirs evenly, that is, forms concrete slurry.
Embodiment 3
A kind of municipal road construction operating method, comprising the following steps:
S1, earth excavation, specific as follows:
According to road extending direction earth excavation in design drawing, the excavation width of the earthwork is 110% that design is had a lot of social connections, soil
The cutting depth of side is the 105% of projected depth.
S2, cleaning roadbed, specific as follows:
Weeds, root system and the building waste etc. in roadbed are removed, while the miscellaneous fill in roadbed being cleaned out.
S3, subgrade compaction, specific as follows:
By the roadbed cleaned out tamp, and using road roller be compacted, formed base course, and control base course with a thickness of
20cm。
S4, it is laid with stonework road cutting, specific as follows:
Mountain flour is backfilled in roadbed, is compacted with road roller, and is controlled rolling layer and be no less than 8 times, while controlling compacting
Mountain flour afterwards is with a thickness of 32cm, then the rubble that uniformly paves on the mountain flour of compacting, and then rubble is pressed into mountain flour with road roller
In, and it is steady to be depressed into its surface, forms stonework road cutting.
S5, it is laid with supercrust, specific as follows:
The casting concrete slurries on stonework road cutting control pouring with a thickness of 28cm for concrete slurry, to concrete grout
After liquid final set, continuous showering curing is carried out, so that concrete is in moisture state always, and controlling curing temperature is 40 DEG C, control
Curing time processed is 6 days, to form supercrust.
Wherein, concrete slurry includes the component of following mass fraction:
Portland cement 100kg；Nanometer calcium carbonate 75kg；Salt water 100kg；Nanometer magnetic iron powder 22.5kg；Nanometer iron powder
75kg；Casein 27.5kg.
In the present embodiment, the mass concentration of salt water is 50%.
Concrete slurry the preparation method is as follows:
S1, portland cement 100kg, salt water 100kg are added in the stirred tank of 450L, are uniformly mixed, to be formed
Pre-composition；
S2, it is stirred with the revolving speed of 350r/min, nanometer magnetic iron powder 22.5kg, nanometer iron powder 75kg is added while stirring
And casein 27.5kg, it is uniformly mixed, to form mixture；
S3, nanometer calcium carbonate 75kg is added into mixture while stirring, stirs evenly, that is, forms concrete slurry.
Embodiment 4
Difference with embodiment 3 is:
Concrete slurry further includes the component of following mass fraction:
Hollow glass micropearl 3kg；SILICA FUME 2kg；Tea polyphenols 2kg.
In the present embodiment, the partial size of hollow glass micropearl is 25 μm.
In the present embodiment, the partial size of SILICA FUME is 1200 mesh.
Concrete slurry the preparation method is as follows:
S1, portland cement 100kg, salt water 100kg are added in the stirred tank of 450L, are uniformly mixed, to be formed
Pre-composition；
S2, it is stirred with the revolving speed of 350r/min, nanometer magnetic iron powder 22.5kg, nanometer iron powder 75kg is added while stirring
And casein 27.5kg, hollow glass micropearl 3kg, SILICA FUME 2kg, tea polyphenols 2kg, it is uniformly mixed, to form mixing
Object；
S3, nanometer calcium carbonate 75kg is added into mixture while stirring, stirs evenly, that is, forms concrete slurry.
Embodiment 5
Difference with embodiment 3 is:
Concrete slurry further includes the component of following mass fraction:
Hollow glass micropearl 4kg；SILICA FUME 1kg；Tea polyphenols 3kg.
In the present embodiment, the partial size of hollow glass micropearl is 30 μm.
In the present embodiment, the partial size of SILICA FUME is 1350 mesh.
Concrete slurry the preparation method is as follows:
S1, portland cement 100kg, salt water 100kg are added in the stirred tank of 450L, are uniformly mixed, to be formed
Pre-composition；
S2, it is stirred with the revolving speed of 350r/min, nanometer magnetic iron powder 22.5kg, nanometer iron powder 75kg is added while stirring
And casein 27.5kg, hollow glass micropearl 4kg, SILICA FUME 1kg, tea polyphenols 3kg, it is uniformly mixed, to form mixing
Object；
S3, nanometer calcium carbonate 75kg is added into mixture while stirring, stirs evenly, that is, forms concrete slurry.
Embodiment 6
Difference with embodiment 3 is:
Concrete slurry further includes the component of following mass fraction:
Hollow glass micropearl 5kg；SILICA FUME 1.5kg；Tea polyphenols 1kg.
In the present embodiment, the partial size of hollow glass micropearl is 35 μm.
In the present embodiment, the partial size of SILICA FUME is 1500 mesh.
Concrete slurry the preparation method is as follows:
S1, portland cement 100kg, salt water 100kg are added in the stirred tank of 450L, are uniformly mixed, to be formed
Pre-composition；
S2, it is stirred with the revolving speed of 350r/min, nanometer magnetic iron powder 22.5kg, nanometer iron powder 75kg is added while stirring
And casein 27.5kg, hollow glass micropearl 5kg, SILICA FUME 1.5kg, tea polyphenols 1kg, it is uniformly mixed, it is mixed to be formed
Close object；
S3, nanometer calcium carbonate 75kg is added into mixture while stirring, stirs evenly, that is, forms concrete slurry.
Comparative example 1
The difference from embodiment 1 is that: the component salt water in concrete slurry is substituted for water.
Comparative example 2
The difference from embodiment 1 is that: by concrete slurry component nanometer magnetic iron powder and nanometer iron powder be substituted for
Sand, stone.
Comparative example 3
The difference from embodiment 1 is that: lack component casein in concrete slurry.
Experiment 1
Detection above embodiments and comparative example prepare the freezing temperature (DEG C) of resulting road.
Experiment 2
Above embodiments and comparative example preparation gained are detected according to GB/T21060-2007 " measurement of plastic flow property "
Concrete slurry mobility, record time (min) for being flowed completely out from funnel of concrete slurry.
Experiment 3
Above embodiments and comparative example preparation are detected according to GB50107-2010 " Standard for inspection and assessment of strength of concrete "
The compression strength (MPa) of resulting town road.
The detection data tested above is shown in Table 1.
Table 1
It can be obtained according to the data comparison of embodiment 1-3 in table 1 and comparative example 1, salt water is used in embodiment 1-3, and compared
Using water instead of salt water in example 1, and the freezing temperature of embodiment 1-3 is below comparative example 1, illustrates by using salt water generation
For traditional water, be conducive to the anti-freezing property for improving concrete slurry, so that road surface is more not easy to freeze, so that road surface
More it is not easily susceptible to cracking.
It can be obtained according to the data comparison of embodiment 1-3 in table 1 and comparative example 2, the component ratio embodiment 1-3 in comparative example 2
Using sand, stone instead of component nanometer magnetic iron powder and nanometer iron powder, and the mobility and compression strength of embodiment 1-3 are excellent
In comparative example 2, illustrate by using nanometer calcium carbonate as fine aggregate, and uses the mutual attracting with property shape of magnetic iron powder and iron powder
At large-sized aggregate, be conducive to keep after also helping enhancing concrete slurry solidification while the mobility of concrete slurry
Compression strength so that supercrust is not easily susceptible to cracking when being under pressure, and then be conducive to improve the safety on road surface.
It can be obtained according to the data comparison of embodiment 1-3 in table 1 and comparative example 3, the component ratio embodiment 1-3 in comparative example 3
Lacked component casein, and the mobility and compression strength of embodiment 1-3 are superior to comparative example 3, illustrate by plus
Enter casein, is conducive to the dispersed homogeneous degree for enhancing nanometer magnetic iron powder and nanometer iron powder, so that nanometer magnetic iron powder and nanometer
Iron powder is easier to be dispersed in concrete slurry, so that the mobility of concrete slurry is more not readily susceptible to influence
While make concrete slurry solidify after compression strength be also not readily susceptible to influence.
It can be obtained according to the data comparison of embodiment 1-3 in table 1 and embodiment 4-6, embodiment 4-6 is more newly-increased than embodiment 1-3
Component hollow glass micropearl, SILICA FUME and tea polyphenols, the freezing temperature of embodiment 4-6 are below embodiment 1-3, and real
The compression strength for applying a 4-6 is above embodiment 1-3, illustrates by the way that hollow glass micropearl, SILICA FUME and tea polyphenols are added,
Be conducive to the hole in fill concrete slurries, so that the compactness of concrete slurry improves, to be conducive to improve supercrust
Anti-permeability performance while be conducive to improve supercrust compressive property so that inside supercrust more be not easy store have water, into
And supercrust is made more to be not easy to be conducive to enhance the compression strength of supercrust while icing.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of municipal road construction operating method, it is characterized in that: the following steps are included:
S1, earth excavation；
S2, cleaning roadbed；
S3, subgrade compaction form base course；
S4, be laid with stonework road cutting: backfilling and mountain flour and be compacted in roadbed, then the rubble that paves on the mountain flour of compacting, and be compacted with
Form stonework road cutting；
S5, it is laid with supercrust: casting concrete slurries and molding is conserved on stonework road cutting, to form supercrust；
The concrete slurry includes the component of following mass fraction:
90-100 parts of portland cement；
70-80 parts of nanometer calcium carbonate；
100-110 parts of salt water；
20-25 parts of magnetic iron powder of nanometer；
70-80 parts of nanometer iron powder；
25-30 parts of casein；
The mass concentration of the salt water is 40%-50%.
2. municipal road construction operating method according to claim 1, it is characterized in that: the base course with a thickness of 15-
20cm, the stonework road cutting with a thickness of 28-32cm, the supercrust with a thickness of 25-28cm.
3. municipal road construction operating method according to claim 1, it is characterized in that: in the step S5, to concrete
After slurries final set, that is, continuous showering curing is carried out, so that concrete is in moisture state always, and controlling curing temperature is 35-
40 DEG C, control curing time is 6-10 days.
4. municipal road construction operating method according to claim 1 to 3, it is characterized in that: the concrete slurry is also
Component including following mass fraction:
3-5 parts of hollow glass micropearl.
5. municipal road construction operating method according to claim 4, it is characterized in that: the partial size of the hollow glass micropearl
It is 25-35 μm.
6. municipal road construction operating method according to claim 1 to 3, it is characterized in that: the concrete slurry is also
Component including following mass fraction:
1-2 parts of SILICA FUME.
7. municipal road construction operating method according to claim 6, it is characterized in that: the partial size of the SILICA FUME is
1200-1500 mesh.
8. municipal road construction operating method according to claim 1 to 3, it is characterized in that: the concrete slurry is also
Component including following mass fraction:
1-3 parts of tea polyphenols.
9. a kind of town road, it is characterized in that: preparing institute by any municipal road construction operating method of claim 1-8
.
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| CN201910663289.8A CN110409255A (en) | 2019-07-22 | 2019-07-22 | Town road and constructing operation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254774A (en) * | 2020-02-14 | 2020-06-09 | 广东君兆建设集团有限公司 | Municipal asphalt concrete pavement construction method |
| CN114262190A (en) * | 2021-12-28 | 2022-04-01 | 广东恒辉建设集团股份有限公司 | Municipal road reinforcing anti-cracking foundation and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954657A (en) * | 2017-11-27 | 2018-04-24 | 南宁兴典混凝土有限责任公司 | A kind of its preparation process of green high performance concrete |
| CN108218266A (en) * | 2018-03-20 | 2018-06-29 | 桐乡市羔羊水泥有限公司 | A kind of cement admixture and preparation method thereof |
| CN108503251A (en) * | 2018-04-18 | 2018-09-07 | 吉林建筑大学 | A kind of concrete admixture and preparation method |
| CN109629363A (en) * | 2019-01-03 | 2019-04-16 | 广东恒筑建设工程有限公司 | Municipal road construction method |
| CN109824321A (en) * | 2019-03-14 | 2019-05-31 | 东南大学 | A kind of prefabricated pervious concrete of curing with carbon dioxide and preparation method thereof |
| CN109867496A (en) * | 2017-12-04 | 2019-06-11 | 东北林业大学 | A kind of assorted fibre activeness and quietness High-strength self-compaction concrete and preparation method thereof |
-
2019
- 2019-07-22 CN CN201910663289.8A patent/CN110409255A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954657A (en) * | 2017-11-27 | 2018-04-24 | 南宁兴典混凝土有限责任公司 | A kind of its preparation process of green high performance concrete |
| CN109867496A (en) * | 2017-12-04 | 2019-06-11 | 东北林业大学 | A kind of assorted fibre activeness and quietness High-strength self-compaction concrete and preparation method thereof |
| CN108218266A (en) * | 2018-03-20 | 2018-06-29 | 桐乡市羔羊水泥有限公司 | A kind of cement admixture and preparation method thereof |
| CN108503251A (en) * | 2018-04-18 | 2018-09-07 | 吉林建筑大学 | A kind of concrete admixture and preparation method |
| CN109629363A (en) * | 2019-01-03 | 2019-04-16 | 广东恒筑建设工程有限公司 | Municipal road construction method |
| CN109824321A (en) * | 2019-03-14 | 2019-05-31 | 东南大学 | A kind of prefabricated pervious concrete of curing with carbon dioxide and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 占宝剑: "盐水侵蚀和冻融对混凝土性能的影响研究", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254774A (en) * | 2020-02-14 | 2020-06-09 | 广东君兆建设集团有限公司 | Municipal asphalt concrete pavement construction method |
| CN114262190A (en) * | 2021-12-28 | 2022-04-01 | 广东恒辉建设集团股份有限公司 | Municipal road reinforcing anti-cracking foundation and construction method thereof |
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