CN110528350A - Municipal road construction method - Google Patents
Municipal road construction method Download PDFInfo
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- CN110528350A CN110528350A CN201910798771.2A CN201910798771A CN110528350A CN 110528350 A CN110528350 A CN 110528350A CN 201910798771 A CN201910798771 A CN 201910798771A CN 110528350 A CN110528350 A CN 110528350A
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Classifications
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- 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
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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
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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
- E01C7/142—Mixtures or their components, e.g. aggregate
-
- 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
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
Abstract
The present invention relates to town road technical fields, excessively the structural strength of soil are caused to decline for the problem that the soil below road is soaked, may cause road collapsing, provide a kind of municipal road construction method, the technical solution is as follows: including: S1. excavation of foundation pit；S2. it is laid with base；S3. it is laid with bed course；S4. be laid with surface layer: S41. is laid with polyurethane cover；S42. asphalt surface layer；S43. it is laid with concrete topping；Concrete topping is poured by concrete slurry；Concrete slurry includes the component of following mass fraction: 100 parts of portland cement；300-400 parts of coarse aggregate；150-200 parts of fine aggregate；100-150 parts of adhesive for polyurethane；5-10 parts of silane coupling agent；90-110 parts of water.It include polyurethane cover, asphalt surface course and concrete topping by surface layer, preferable waterproofness is provided using polyurethane cover, so that the water on road surface is not easy lower seep to bed course, reduce the influence to road bottom soil basis, it keeps road bottom soil texture to stablize, is not easy to collapse so that road is relatively stable.
Description
Technical field
The present invention relates to town road technical fields, more particularly, to a kind of municipal road construction method.
Background technique
Town road is one of Urban Transportation component part, and as city occurs, road is more and more, road covering
Area it is increasing.
Path link can be seeped frequently with concrete or pitch as road surface, general concrete road surface and bituminous pavement
Water, in torrential rain, in fact it could happen that a large amount of moisture penetrates into below road, is usually the soil of soil compaction below road
Base may cause that the soil below road is soaked excessively to cause the structural strength of soil to decline if a large amount of moisture persistently penetrates into,
Lead to the stability decline for supporting road, and then may cause road collapsing, therefore there are also improve space.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of municipal road construction method, have
The advantages of stable structure.
To achieve the above object, the present invention provides the following technical scheme that
A kind of municipal road construction method, comprising the following steps:
S1. excavation of foundation pit；
S2. it is laid with base；
S3. it is laid with bed course；
S4. it is laid with surface layer, comprising:
S41. it is laid with polyurethane cover；
S42. asphalt surface layer；
S43. it is laid with concrete topping；
The concrete topping is poured by concrete slurry；
The concrete slurry includes the component of following mass fraction:
100 parts of portland cement；
300-400 parts of coarse aggregate；
150-200 parts of fine aggregate；
100-150 parts of adhesive for polyurethane；
5-10 parts of silane coupling agent；
90-110 parts of water.
It include polyurethane cover, asphalt surface course and concrete topping, benefit by surface layer by using above-mentioned technical proposal
Preferable waterproofness is provided with polyurethane cover, so that the water on road surface is not easy lower infiltration to bed course, is reduced to road bottom soil base
The influence of plinth keeps road bottom soil texture to stablize, is not easy to collapse so that road is relatively stable；
Meanwhile earthquake shock is preferably absorbed using the elastic deformation of polyurethane, so that when an earthquake occurs, road deck is not
It is easy to crack, reduce the influence to driving；
Preferable viscoplasticity is provided by polyurethane cover and asphalt surface course cooperation simultaneously, so that road will not be really up to the mark, row
Vehicle is more comfortable；
Make road surface flatness higher by concrete topping, so that running speed can be higher, reduces to high speed row
The influence for sailing vehicle further increases driving comfort level；
By the way that adhesive for polyurethane is added in concrete slurry, coarse aggregate and thin collection are penetrated into using adhesive for polyurethane
In gap between material, so that the impermeability of concrete topping is preferable, so that moisture is not easy to penetrate into ground through concrete topping
Under, it reduces a large amount of rainwater and penetrates into the case where road bottom soil causes resistance of soil to decline, improve road stability；
By the way that silane coupling agent is added in concrete slurry, so that adhesive for polyurethane is easier in concrete slurry
It is uniformly dispersed, while it is more stable that concrete topping is connect with asphalt surface course, while concrete topping being made to seep pitch
It connect after surface layer with polyurethane cover relatively stable.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
15-20 parts of glass fibre；
The length of the glass fibre is 1-2mm.
By using above-mentioned technical proposal, by the way that glass fibre is added in concrete slurry, so that glass fibre is filled
Into the gap between coarse aggregate and fine aggregate, concrete is further reduced while using glass fiber-reinforced concrete
Impervious effect is improved in gap.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
3-5 parts of organo montmorillonite.
By using above-mentioned technical proposal, by the way that organo montmorillonite is added, pressed from both sides using the platy layer structure of organo montmorillonite
Glass fibre is held, so that organo montmorillonite forms node, so that glass fibre is more likely formed netted, reinforcing effect is preferable.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
5-10 parts of zircon flour.
By using above-mentioned technical proposal, by the way that zircon flour, preferably reinforcing concrete is added, so that the resistance to compression of concrete
Intensity rises, so that the structural stability of concrete topping is more preferably.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
1,2,3,10b- 0.2-0.5 parts of tetrahydro fluoranthene.
By using above-mentioned technical proposal, by the way that 1,2,3,10b- tetrahydro fluoranthene are added in concrete slurry, so that mixed
Solidifying soil paste liquid forms the freezing tolerance enhancing of concrete structure, so that concrete topping is not easy bursting by freezing.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
10-15 parts of nano-lotus leaf powder.
By using above-mentioned technical proposal, by the way that nano-lotus leaf powder is added, filled to coarse aggregate, carefully using nano-lotus leaf powder
In gap between gathering materials, the gap of further fill concrete surface layer, since lotus leaf powder is hydrophobic material, so that concrete surface
More preferably, impervious effect is preferable for the hydrophobicity of layer.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
30-40 parts of ethyl alcohol.
So that ethyl alcohol is mixed with water, and then make water using ethyl alcohol by the way that ethyl alcohol is added by using above-mentioned technical proposal
Freeze point depression, not-easy-to-freeze, while making 1,2,3,10b- tetrahydro fluoranthene are readily dispersed in ethyl alcohol and then are easy in coagulation
It is uniformly dispersed in soil paste liquid.
The present invention is further arranged to: the concrete slurry the preparation method is as follows:
A. mixed Portland cement and water are to form cement grout；
B. silane coupling agent, adhesive for polyurethane are added in cement grout, stirs evenly to form pre-composition；
C. coarse aggregate, fine aggregate are added in pre-composition, stirs evenly to form concrete slurry.
By using above-mentioned technical proposal, first mixed silanes coupling agent, adhesive for polyurethane and cement grout, so that silicon
Alkane coupling agent, adhesive for polyurethane are easily dispersed uniformly, reduce coarse aggregate, fine aggregate leads to silane coupling agent, poly- ammonia after being added
The uneven situation of ester adhesive dispersion, guarantees the quality of concrete slurry, and then guarantee the quality of concrete topping.
In conclusion the invention has the following advantages:
1. include polyurethane cover, asphalt surface course and concrete topping by surface layer, using polyurethane cover provide compared with
Good waterproofness, so that the water on road surface is not easy lower seep to bed course, influence of the reduction to road bottom soil basis, holding road bottom
Portion's soil texture is stablized, and is not easy to collapse so that road is relatively stable；
2. by the way that 1,2,3,10b- tetrahydro fluoranthene are added in concrete slurry, so that concrete slurry forms concrete knot
The freezing tolerance of structure enhances, so that concrete topping is not easy bursting by freezing；
3. being not easy to tie so that ethyl alcohol is mixed with water, and then makes the freeze point depression of water using ethyl alcohol by the way that ethyl alcohol is added
Ice, while making 1,2,3,10b- tetrahydro fluoranthene are readily dispersed in ethyl alcohol and then are easy to be uniformly dispersed in concrete slurry.
Detailed description of the invention
Fig. 1 is the flow diagram of municipal road construction method in the present invention；
Fig. 2 is the flow diagram that surface layer is laid in the present invention.
Specific embodiment
With reference to the accompanying drawings and embodiments, invention is further described in detail.
In following embodiment and comparative example:
The China Resources cement PO42.5R normal silicate water that portland cement is sold using the moist building materials Co., Ltd of Dongguan City
Mud；
The rubble that coarse aggregate uses Hebei Ke Xu building materials Co., Ltd to sell；
The river sand that fine aggregate uses eight smelting engineering Industrial Co., Ltd., Shenzhen to sell；
Adhesive for polyurethane is using the sale of Shanghai Hao Yu Chemical Co., Ltd. without alveolitoid dual-component polyurethane adhesive
HY813；
The silane resin acceptor kh-550 that silane coupling agent uses Zhong Jie Chemical Industry Science Co., Ltd in Guangzhou to sell；
The glass fibre that glass fibre uses Condar husband's new material Science and Technology Ltd. in Jiangsu to sell
The organo montmorillonite that organo montmorillonite uses Guangzhou Ze Dan deer trade Co., Ltd to sell；
The zircon flour that zircon flour uses Lingshou County Zhan Teng mineral products processing factory to sell；
1,2,3, the 10b- tetrahydro fluoranthene that 1,2,3,10b- tetrahydro fluoranthene uses ethyl Chemical Co., Ltd. in Shanghai to sell；
The lotus leaf powder grinding that nano-lotus leaf powder is sold by Xuzhou the Nature Food Co., Ltd；
The dehydrated alcohol that ethyl alcohol uses Dongguan City Run Hui Chemical Industry Science Co., Ltd to sell.
Embodiment 1
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. portland cement 100kg, water 90kg, water-reducing agent 11kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. silane coupling agent 5kg, adhesive for polyurethane 100kg, revolving speed 60r/min, stirring are added again in cement grout grace
5min forms pre-composition；
C. coarse aggregate 300kg, fine aggregate 150kg are added in pre-composition, revolving speed 45r/min stirs 8min, forms coagulation
Soil paste liquid.
Embodiment 2
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. portland cement 100kg, water 100kg, water-reducing agent 10kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. silane coupling agent 7.5kg, adhesive for polyurethane 125kg are added again in cement grout grace, revolving speed 60r/min is stirred
5min is mixed, pre-composition is formed；
C. coarse aggregate 350kg, fine aggregate 175kg are added in pre-composition, revolving speed 45r/min stirs 8min, forms coagulation
Soil paste liquid.
Embodiment 3
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. portland cement 100kg, water 110kg, water-reducing agent 9kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. silane coupling agent 10kg, adhesive for polyurethane 150kg are added again in cement grout grace, revolving speed 60r/min is stirred
5min is mixed, pre-composition is formed；
C. coarse aggregate 400kg, fine aggregate 200kg are added in pre-composition, revolving speed 45r/min stirs 8min, forms coagulation
Soil paste liquid.
Embodiment 4
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. portland cement 100kg, water 100kg, water-reducing agent 10kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. silane coupling agent 8kg, adhesive for polyurethane 120kg, revolving speed 60r/min, stirring are added again in cement grout grace
5min forms pre-composition；
C. coarse aggregate 320kg, fine aggregate 180kg are added in pre-composition, revolving speed 45r/min stirs 8min, forms coagulation
Soil paste liquid.
Embodiment 5
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. portland cement 100kg, water 100kg, water-reducing agent 10kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. silane coupling agent 8kg is added again in cement grout grace, adhesive for polyurethane 120kg, glass fibre 15kg, has
Machine montmorillonite 3kg, zircon flour 5kg, 1,2,3,10b- tetrahydro fluoranthene 0.2kg, nano-lotus leaf powder 10kg, ethyl alcohol 30kg, revolving speed
60r/min stirs 5min, forms pre-composition；
C. coarse aggregate 320kg, fine aggregate 180kg are added in pre-composition, revolving speed 45r/min stirs 8min, forms coagulation
Soil paste liquid.
In this implementation, the length of glass fibre is 1mm.
Embodiment 6
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. portland cement 100kg, water 100kg, water-reducing agent 10kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. silane coupling agent 8kg is added again in cement grout grace, adhesive for polyurethane 120kg, glass fibre 17.5kg, has
Machine montmorillonite 4kg, zircon flour 7.5kg, 1,2,3,10b- tetrahydro fluoranthene 0.35kg, nano-lotus leaf powder 12.5kg, ethyl alcohol 35kg turn
Fast 60r/min stirs 5min, forms pre-composition；
C. coarse aggregate 320kg, fine aggregate 180kg are added in pre-composition, revolving speed 45r/min stirs 8min, forms coagulation
Soil paste liquid.
In this implementation, the length of glass fibre is 1.5mm.
Embodiment 7
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. portland cement 100kg, water 100kg, water-reducing agent 10kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. silane coupling agent 8kg is added again in cement grout grace, adhesive for polyurethane 120kg, glass fibre 20kg, has
Machine montmorillonite 5kg, zircon flour 10kg, 1,2,3,10b- tetrahydro fluoranthene 0.5kg, nano-lotus leaf powder 15kg, ethyl alcohol 40kg, revolving speed
60r/min stirs 5min, forms pre-composition；
C. coarse aggregate 320kg, fine aggregate 180kg are added in pre-composition, revolving speed 45r/min stirs 8min, forms coagulation
Soil paste liquid.
In this implementation, the length of glass fibre is 2mm.
Embodiment 8
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. portland cement 100kg, water 100kg, water-reducing agent 10kg, revolving speed 60r/min, stirring are added in a stirring kettle
5min forms cement grout；
B. silane coupling agent 8kg is added again in cement grout grace, adhesive for polyurethane 120kg, glass fibre 18kg, has
Machine montmorillonite 3kg, zircon flour 6kg, 1,2,3,10b- tetrahydro fluoranthene 0.3kg, nano-lotus leaf powder 12kg, ethyl alcohol 33kg, revolving speed
60r/min stirs 5min, forms pre-composition；
C. coarse aggregate 320kg, fine aggregate 180kg are added in pre-composition, revolving speed 45r/min stirs 8min, forms coagulation
Soil paste liquid.
In this implementation, the length of glass fibre is 1mm.
Embodiment 9
A kind of municipal road construction method, referring to Fig.1 and Fig. 2, comprising the following steps:
S1. excavation of foundation pit, specific as follows:
According to design drawing along the extending direction excavation pit of highway layout.
S2. it is laid with base, specific as follows:
It is compacted bottom of foundation ditch by road roller, is laid with stone then to form base, groundwork thickness 50cm.
S3. it is laid with bed course, specific as follows:
Sandstone is laid in base to form bed course, cushion thickness 20cm.
S4. it is laid with surface layer, comprising:
S41. it is laid with polyurethane cover, specific as follows:
Mat surface casting hot melt polyurethane to form polyurethane cover, polyurethane cover with a thickness of 1cm.
S42. asphalt surface layer, specific as follows:
Asphalt mixture is spread out and put on polyurethane cover to form asphalt surface course, asphalt surface course with a thickness of 10cm.
S43. it is laid with concrete topping, specific as follows:
In asphalt surface course upper concrete slurry, to form concrete topping, concrete topping top to asphalt surface course
The distance at top is 5cm.
In the present embodiment, concrete slurry uses the concrete slurry of embodiment 8, and in other implementations, concrete slurry is also
The concrete slurry of embodiment 1-7 can be used.3
Comparative example 1
Difference with embodiment 8 is:
Cancel in step b and adhesive for polyurethane is added.
Comparative example 2
Difference with embodiment 8 is:
Cancel in step b and organo montmorillonite is added.
Comparative example 3
Difference with embodiment 8 is:
Cancel in step b and zircon flour is added.
Comparative example 4
Difference with embodiment 8 is:
Cancel in step b and 1,2,3,10b- tetrahydro fluoranthene are added.
Comparative example 5
Difference with embodiment 8 is:
Cancel in step b and nano-lotus leaf powder is added.
Experiment 1
According to according to GB/T50081-2002 " standard for test methods of mechanical properties of ordinary concrete " test experience example 1-8 and
7d compression strength (MPa), the 28d compression strength (MPa) of comparative example 1-5.
Experiment 2
According to the water resistant in GB/T50082-2009 " Standard for test methods of longterm performance and durability of ordinary concrete standard "
Permeability test detects the seepage-resistant grade of embodiment 1-8 and comparative example 1-5, freeze proof grade.
Experiment 3
Embodiment 9 will be utilized according to the thickness proportion of polyurethane cover in embodiment 9, asphalt surface course, concrete topping
Method is according to the size of sample in GB/T50082-2009 " Standard for test methods of longterm performance and durability of ordinary concrete standard "
Road surface sample is prepared, 7d compression strength (MPa), the 28d compression strength (MPa) of road surface sample are detected.
Specific detection data is shown in Table 1
Table 1
It can be obtained according to table 1, the data of comparative examples 1 and embodiment 8, it is seen that polyurethane adhesive is added in concrete slurry
Glutinous agent effectively improves the seepage-resistant grade of the sample of concrete slurry preparation, so that the seepage-resistant grade of concrete topping improves,
Rainwater is not easy to penetrate road and penetrate into the soil under road when heavy rain, and reduce soil causes structure strong because of moisture content state height
The case where degree decline.
The data of comparative examples 2 and embodiment 8, it is seen that organo montmorillonite can effectively cooperate glass fibre, so that coagulation
The compression strength of the sample of soil paste liquid preparation rises, so that the structural strength of concrete topping is more preferably.
The data of comparative examples 3 and embodiment 8, it is seen that zircon flour is added, effectively increases concrete slurry preparation
The compression strength of sample, so that the structural strength of concrete topping is more preferably, it is not easy to crack, so that service life of road surface is longer.
The data of comparative examples 4 and implementation 8, it is seen that 1,2,3,10b- tetrahydro fluoranthene are added, effectively improve concrete grout
The freeze proof grade of the sample of liquid preparation is preferably suitable for cold district so that concrete topping is not easy bursting by freezing, applicability compared with
Extensively.
The data of comparative examples 5 and embodiment 8, it is seen that nano-lotus leaf powder is added, effectively improves concrete slurry preparation
Sample anti-permeability strength, and then preferably improve the impermeability of concrete topping, rainwater is not easy lower infiltration.
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 (8)
1. a kind of municipal road construction method, it is characterized in that: the following steps are included:
S1. excavation of foundation pit；
S2. it is laid with base；
S3. it is laid with bed course；
S4. it is laid with surface layer, comprising:
S41. it is laid with polyurethane cover；
S42. asphalt surface layer；
S43. it is laid with concrete topping；
The concrete topping is poured by concrete slurry；
The concrete slurry includes the component of following mass fraction:
100 parts of portland cement；
300-400 parts of coarse aggregate；
150-200 parts of fine aggregate；
100-150 parts of adhesive for polyurethane；
5-10 parts of silane coupling agent；
90-110 parts of water.
2. municipal road construction method according to claim 1, it is characterized in that: the concrete slurry further includes following matter
Measure the component of number:
15-20 parts of glass fibre；
The length of the glass fibre is 1-2mm.
3. municipal road construction method according to claim 2, it is characterized in that: the concrete slurry further includes following matter
Measure the component of number:
3-5 parts of organo montmorillonite.
4. municipal road construction method according to claim 3, it is characterized in that: the concrete slurry further includes following matter
Measure the component of number:
5-10 parts of zircon flour.
5. municipal road construction method according to claim 4, it is characterized in that: the concrete slurry further includes following matter
Measure the component of number:
1,2,3,10b- 0.2-0.5 parts of tetrahydro fluoranthene.
6. municipal road construction method according to claim 1, it is characterized in that: the concrete slurry further includes following matter
Measure the component of number:
10-15 parts of nano-lotus leaf powder.
7. municipal road construction method according to claim 1, it is characterized in that: the concrete slurry further includes following matter
Measure the component of number:
30-40 parts of ethyl alcohol.
8. municipal road construction method according to claim 1, it is characterized in that: the preparation method of the concrete slurry is such as
Under:
A. mixed Portland cement and water are to form cement grout；
B. silane coupling agent, adhesive for polyurethane are added in cement grout, stirs evenly to form pre-composition；
C. coarse aggregate, fine aggregate are added in pre-composition, stirs evenly to form concrete slurry.
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| CN110862253A (en) * | 2019-12-05 | 2020-03-06 | 深圳市奥城景观工程设计有限公司 | Landscape pool construction method |
| CN110952412A (en) * | 2019-12-31 | 2020-04-03 | 广州众粤市政园林设计工程有限公司 | Concrete pavement construction method |
| CN110965425A (en) * | 2019-12-24 | 2020-04-07 | 广州市芳村建筑工程有限公司 | Asphalt concrete pavement construction method |
| CN111101416A (en) * | 2019-12-27 | 2020-05-05 | 广州市恒嘉建设有限公司 | Asphalt concrete pavement construction method |
| CN112663426A (en) * | 2020-12-22 | 2021-04-16 | 安徽峰明建设工程有限公司 | Construction method of highway asphalt pavement |
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| CN110862253A (en) * | 2019-12-05 | 2020-03-06 | 深圳市奥城景观工程设计有限公司 | Landscape pool construction method |
| CN110965425A (en) * | 2019-12-24 | 2020-04-07 | 广州市芳村建筑工程有限公司 | Asphalt concrete pavement construction method |
| CN111101416A (en) * | 2019-12-27 | 2020-05-05 | 广州市恒嘉建设有限公司 | Asphalt concrete pavement construction method |
| CN110952412A (en) * | 2019-12-31 | 2020-04-03 | 广州众粤市政园林设计工程有限公司 | Concrete pavement construction method |
| CN112663426A (en) * | 2020-12-22 | 2021-04-16 | 安徽峰明建设工程有限公司 | Construction method of highway asphalt pavement |
| CN112663426B (en) * | 2020-12-22 | 2022-04-12 | 安徽峰明建设工程有限公司 | Construction method of highway asphalt pavement |
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