CN109629363A - Municipal road construction method - Google Patents
Municipal road construction method Download PDFInfo
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- CN109629363A CN109629363A CN201910005663.5A CN201910005663A CN109629363A CN 109629363 A CN109629363 A CN 109629363A CN 201910005663 A CN201910005663 A CN 201910005663A CN 109629363 A CN109629363 A CN 109629363A
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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
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
-
- 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
- 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
-
- 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
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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
- 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
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2046—Shock-absorbing materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to town road technical fields to provide a kind of municipal road construction method for the problem of road shock resistance deficiency, and the technical solution is as follows: (1) earth excavation；(2) it is laid with concrete base layer；(3) it is laid with sand-gravel cushion；(4) asphalt surface layer；Anti-seismic concrete includes: 100 parts of portland cement；25-35 parts of triphenyl phosphate methyl esters of optical activity polymethyl；15-20 parts of silane coupling agent；90-100 parts of filler.By the way that optical activity polymethyl triphenyl phosphate methyl esters is added in anti-seismic concrete, and increase the connective stability of optical activity polymethyl triphenyl phosphate methyl esters and portland cement by silane coupling agent, so that when earthquake, by anti-seismic concrete, deformation occurs to drive optical activity polymethyl triphenyl phosphate methyl esters strand that elastic deformation occurs and generates to damp to consume jerk, make concrete base layer that there is certain elasticity simultaneously, it is not easily susceptible to jerk and is broken, so that the shock resistance of road is stronger.
Description
Technical field
The present invention relates to town road technical fields, more particularly, to a kind of municipal road construction method.
Background technique
Road is exactly the infrastructure for various trackless vehicles and walk, as the key traffic route in city,
There is a large amount of automobile to pass through on it daily.
Once road crack, will so that traffic Severe blockage even paralyse, especially when an earthquake occurs, relief goods, people
Member's evacuation etc. requires to carry out by road, to guarantee that Post disaster relief is efficient, proposes high requirement to the shock resistance of road.
Based on general road mostly uses concrete base layer, but general concrete compares when being shaken impact
It is easily broken off, once concrete base layer fracture dislocation, then will quickly induce road surface fracture, and seriously affect traffic, therefore, also change
Kind 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 stronger advantage of road shock resistance.
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:
(1) earth excavation；
(2) it is laid with concrete base layer, specific as follows:
The side of loosening the soil bottom is harrowed, steel mesh is laid with, pours anti-seismic concrete, consolidates, forms concrete base layer after solidification；
(3) it is laid with sand-gravel cushion；
(4) asphalt surface layer；
The anti-seismic concrete includes the component of following mass fraction:
100 parts of portland cement；
25-35 parts of triphenyl phosphate methyl esters of optical activity polymethyl；
15-20 parts of silane coupling agent；
90-100 parts of filler.
By using above-mentioned technical proposal, by harrowing the side of loosening the soil bottom, so that anti-seismic concrete is easily penetrated in casting
Earthwork bottom is passed through with increasing the connective stability that the connection area of concrete base layer and earthwork bottom increases concrete base layer
Concrete base layer reinforcement earthwork bottom, so that the basis of road is more stable；By steel mesh reinforcement anti-seismic concrete to provide
Preferable stretching resistance, so that anti-seismic concrete is not easy to crack；By the way that optical activity polymethylacrylic acid is added in anti-seismic concrete
Three benzene methyls, with using the optical activity polymethyl spiral characteristic of triphenyl phosphate methyl esters strand to provide powerful elastic force
And powerful damping is generated, so that when jerk is conducted into concrete base layer, being occurred by anti-seismic concrete when earthquake
Deformation passes through the poly- methyl-prop of optical activity to drive optical activity polymethyl triphenyl phosphate methyl esters strand that elastic deformation occurs
The damping that three benzene methyl strand of olefin(e) acid generates consumes jerk, while concrete base layer being made to have certain bullet
Property, it is not easily susceptible to jerk and is broken, and then reduce pavement cracking to lead to the case where influencing traffic；Increased by silane coupling agent
It puts english the connective stability of photosensitiveness polymethyl triphenyl phosphate methyl esters and portland cement, to pass through optical activity polymethylacrylic acid
Three benzene methyls assign portland cement certain elastic deformation ability, are not easy during deformation because of portland cement deformation quantity
It is insufficient and crack；In earthquake, is followed by filler and generate phase mutual friction when portland cement deformation campaign to consume vibration
Bring energy is impacted, earthquake bring impact energy is further cut down, so that the structural stability of concrete base layer is preferable, no
Easy fracture supports surface layer to stablize, and road surface fracture is reduced, so that the shock resistance of road is stronger.
The present invention is further arranged to: in the step (2), it is 30-40cm that loose depth is harrowed in earthwork bottom.
By using above-mentioned technical proposal, so that anti-seismic concrete is fully infiltrated into a cubic metre of earth bottom, so that snubber
The effect for shaking impact energy is preferable.
The present invention is further arranged to: in the step (2), when being laid with steel mesh, steel mesh is abutted with earthwork bottom.
By using above-mentioned technical proposal, so that steel mesh is located at the bottom of the concrete base layer above earthwork bottom, with
It bears jerk with standing in the breach, is mostly conducted from underground due to shaking, the bottom of concrete base layer is easier to crack, and
Stretching resistance is provided by steel mesh, the bottom of concrete base layer will be made by stronger constraint, so that concrete base layer
Bottom is not easy to crack, to reduce the case where being developed to fracture from cracking.
The present invention is further arranged to: the anti-seismic concrete includes the component of following mass fraction:
100 parts of portland cement；
32-35 parts of triphenyl phosphate methyl esters of optical activity polymethyl；
18-20 parts of silane coupling agent；
95-98 parts of filler.
The present invention is further arranged to: the filler includes the component of following mass fraction:
5-8 parts of glass fibre；
20-25 parts of marble powder；
10-12 parts of quartz sand；
15-18 parts of clay；
20-25 parts of ceramic powder；
15-20 parts of carbon black；
Gross mass part of the filler is 95-98 parts.
By using above-mentioned technical proposal, by the way that glass fibre is added with reinforcing concrete, to be formed in inside concrete
Stretching resistance, further such that concrete is not easy to crack；By the way that clay is added to increase the viscosity of concrete, further such that coagulation
Soil is not easy to crack while when concrete base layer vibration, will drive clay molecules movement, needs gram when being moved by clay molecules
The mutual viscosity of clothes further increases the energy consumption upper limit of concrete base layer to consume a large amount of jerk ability, so that
The shock resistance of road further increases；By the way that marble powder, quartz sand, ceramic powder and carbon black is added, so that antidetonation coagulation
The anti-pressure ability of soil is stronger, to guarantee the stability of support asphalt surface course, guarantees road structure stability.
The present invention is further arranged to: the preparation methods of the slurries of the anti-seismic concrete the following steps are included:
A. optical activity polymethyl triphenyl phosphate methyl esters and silane coupling agent are mixed at 165-180 DEG C to form premix
Object；
B. portland cement is added to the water and is stirred evenly to form cement grout；
C. pre-composition is added in cement grout and is stirred evenly；
D. filler is added in cement grout and is stirred evenly to form concrete slurry.
By using above-mentioned technical proposal, by mixing optical activity polymethyl triphenyl phosphate methyl esters at 165-180 DEG C
And silane coupling agent is so that Silanization reaction is abundant, so that silane coupling agent and optical activity polymethyl triphenyl phosphate methyl esters temperature
Degree is combined to form pre-composition, so that optical activity polymethyl triphenyl phosphate methyl esters is in conjunction with cement stabilizing, to guarantee to revolve
The effect of photosensitiveness polymethyl triphenyl phosphate methyl esters imparting cement elasticity；By finally adding filler, avoid influencing optical activity
Dispersion degree of the polymethyl triphenyl phosphate methyl esters in cement system, so that anti-seismic concrete quality is higher.
The present invention is further arranged to: in the step a, constant temperature stirs 120s-180s at 165-180 DEG C.
By using above-mentioned technical proposal, so that silane coupling agent sufficiently reacts, so that making silane coupling agent and optically-active
Property polymethyl triphenyl phosphate methyl esters sufficiently combine, and then improve optical activity polymethyl triphenyl phosphate methyl esters and cement combination
Stability.
The present invention is further arranged to: being cooled to room temperature pre-composition in the step c and is dissolved in shape in organic solvent
At premix solution, add in cement grout.
By using above-mentioned technical proposal, the moisture boiling in cement grout is avoided result in, while reducing high temperature to cause to have
The case where solvent is volatilized.
The present invention is further arranged to: in the step c, the organic solvent is acetone.
By using above-mentioned technical proposal, make the optical activity being dissolved in acetone poly- using acetone characteristic soluble easily in water
Metering system triphenyl phosphate methyl esters can sufficiently be combined with cement molecule soluble in water, guarantee to pass through optical activity polymethylacrylic acid three
Benzene methyl gives the effect of the better elastic force of cement colloid.
In conclusion the invention has the following advantages:
1. by the rake side of loosening the soil bottom, so that anti-seismic concrete easily penetrates a cubic metre of earth bottom in casting, to increase coagulation
The connection area of soil matrix layer and earthwork bottom increases the connective stability of concrete base layer, passes through concrete base layer reinforcement earthwork bottom
Portion, so that the basis of road is more stable；
2. increasing by the way that optical activity polymethyl triphenyl phosphate methyl esters is added in anti-seismic concrete, and by silane coupling agent
It puts english the connective stability of photosensitiveness polymethyl triphenyl phosphate methyl esters and portland cement, so that passing through antidetonation coagulation when earthquake
Deformation occurs for soil to drive optical activity polymethyl triphenyl phosphate methyl esters strand that elastic deformation occurs and generate damping for vibration
Impact dissipation is fallen, while concrete base layer being made to have certain elasticity, is not easily susceptible to jerk and is broken, so that road
Shock resistance is stronger；
3. being located at the bottom of concrete base layer by steel mesh, stretching resistance is provided by steel mesh, it will be so that coagulation soil matrix
The bottom of layer is by stronger constraint, so that concrete base layer bottom is not easy to crack, is developed to fracture from cracking to reduce
The case where.
Specific embodiment
With reference to embodiments, invention is further described in detail.
Embodiment 1
A kind of municipal road construction method, comprising the following steps:
(1) earth excavation, specific as follows:
According to road extending direction earth excavation in design drawing, the width bits of the earthwork design have a lot of social connections 110%, and the earthwork is deep
Degree is the 105% of projected depth.
(2) it is laid with concrete base layer, specific as follows:
The side of loosening the soil bottom is harrowed, harrowing loose depth is 30cm, and the earthwork bottom after rake pine is flattened and keeps loose, is then laid with
Steel mesh, steel mesh are placed on earthwork bottom and abut with earthwork bottom；
Anti-seismic concrete is poured to concrete base layer absolute altitude, is consolidated by concrete vibrator bubble, concrete is discharged
Vibrator is inserted into the earthwork bottom of rake pine so that concrete preferably penetrates into slight slope bottom, is poured anti-seismic concrete again to mixing
Solidifying soil base elevation, consolidates again by concrete vibrator bubble is discharged；
Maintenance 7 days so that anti-seismic concrete is pre-hardening, formation concrete base layer.
(3) it is laid with sand-gravel cushion, specific as follows:
Be laid with stone above concrete base layer, two layers totally of stone, be then injected into pervious asphalt with fill adjacent stone it
Between gap；
It is first laid with first layer stone, is then injected into pervious asphalt to after being completely covered first layer stone, waits pervious asphalt
Second layer stone is re-layed after being cooled to 80 DEG C or less, and re-injects pervious asphalt so that second layer stone is completely covered；
After pervious asphalt after cover on second layer stone is cooled to 80 DEG C, it is laid with river sand, river sand is with a thickness of 2cm, with shape
At sand-gravel cushion.
(4) asphalt surface layer, specific as follows:
It is laid with three layers of asphalt surface course successively on sand-gravel cushion to form road surface, every layer of thickness of bituminous surface is 4cm.
In the present embodiment, the slurries of anti-seismic concrete the preparation method is as follows:
A. optical activity polymethyl triphenyl phosphate methyl esters 25kg and silane coupling agent 15kg are added in kneader, heating
To 165 DEG C, constant temperature stirs 180s, forms pre-composition；
B. portland cement 100kg and water 50kg, revolving speed 60r/min are added in the first stirred tank, stirs 10min,
To form cement grout；
C. 25kg acetone is added in the second stirred tank, pre-composition is cooled to after room temperature and is added in the second stirred tank,
Revolving speed 60r/min, stirring to pre-composition are completely dissolved to form premix solution；
Premix solution is added in the cement grout in the first stirred tank again, by the first stirred tank with revolving speed 100r/
Min is stirred, and stirs 15min to stir evenly；
D. by glass fibre 5kg, marble powder 25kg, quartz sand 10kg, clay 15kg, ceramic powder 20kg, carbon black 15kg
It is added in the first stirred tank, revolving speed 60r/min, stirs 30min, revolving speed 120r/min, stir 15min, revolving speed 30r/min is held
Continuous stirring is finished to using.
Embodiment 2
The difference from embodiment 1 is that:
The slurries of anti-seismic concrete the preparation method is as follows:
A. optical activity polymethyl triphenyl phosphate methyl esters 28kg and silane coupling agent 17kg are added in kneader, heating
To 165 DEG C, constant temperature stirs 180s, forms pre-composition；
B. portland cement 100kg and water 50kg, revolving speed 60r/min are added in the first stirred tank, stirs 10min,
To form cement grout；
C. 28kg acetone is added in the second stirred tank, pre-composition is cooled to after room temperature and is added in the second stirred tank,
Revolving speed 60r/min, stirring to pre-composition are completely dissolved to form premix solution；
Premix solution is added in the cement grout in the first stirred tank again, by the first stirred tank with revolving speed 100r/
Min is stirred, and stirs 15min to stir evenly；
D. by glass fibre 7kg, marble powder 22kg, quartz sand 11kg, clay 16kg, ceramic powder 22kg, carbon black 17kg
It is added in the first stirred tank, revolving speed 60r/min, stirs 30min, revolving speed 120r/min, stir 15min, revolving speed 30r/min is held
Continuous stirring is finished to using.
Embodiment 3
The difference from embodiment 1 is that:
The slurries of anti-seismic concrete the preparation method is as follows:
A. optical activity polymethyl triphenyl phosphate methyl esters 32kg and silane coupling agent 18kg are added in kneader, heating
To 165 DEG C, constant temperature stirs 180s, forms pre-composition；
B. portland cement 100kg and water 50kg, revolving speed 60r/min are added in the first stirred tank, stirs 10min,
To form cement grout；
C. 32kg acetone is added in the second stirred tank, pre-composition is cooled to after room temperature and is added in the second stirred tank,
Revolving speed 60r/min, stirring to pre-composition are completely dissolved to form premix solution；
Premix solution is added in the cement grout in the first stirred tank again, by the first stirred tank with revolving speed 100r/
Min is stirred, and stirs 15min to stir evenly；
D. by glass fibre 8kg, marble powder 20kg, quartz sand 12kg, clay 18kg, ceramic powder 20kg, carbon black 20kg
It is added in the first stirred tank, revolving speed 60r/min, stirs 30min, revolving speed 120r/min, stir 15min, revolving speed 30r/min is held
Continuous stirring is finished to using.
Embodiment 4
The difference from embodiment 1 is that:
The slurries of anti-seismic concrete the preparation method is as follows:
A. optical activity polymethyl triphenyl phosphate methyl esters 35kg and silane coupling agent 20kg are added in kneader, heating
To 165 DEG C, constant temperature stirs 180s, forms pre-composition；
B. portland cement 100kg and water 50kg, revolving speed 60r/min are added in the first stirred tank, stirs 10min,
To form cement grout；
C. 35kg acetone is added in the second stirred tank, pre-composition is cooled to after room temperature and is added in the second stirred tank,
Revolving speed 60r/min, stirring to pre-composition are completely dissolved to form premix solution；
Premix solution is added in the cement grout in the first stirred tank again, by the first stirred tank with revolving speed 100r/
Min is stirred, and stirs 15min to stir evenly；
D. by glass fibre 6kg, marble powder 23kg, quartz sand 11kg, clay 17kg, ceramic powder 25kg, carbon black 18kg
It is added in the first stirred tank, revolving speed 60r/min, stirs 30min, revolving speed 120r/min, stir 15min, revolving speed 30r/min is held
Continuous stirring is finished to using.
Embodiment 5
The difference from embodiment 1 is that:
The slurries of anti-seismic concrete the preparation method is as follows:
A. optical activity polymethyl triphenyl phosphate methyl esters 35kg and silane coupling agent 20kg are added in kneader, heating
To 180 DEG C, constant temperature stirs 120s, forms pre-composition；
B. portland cement 100kg and water 50kg, revolving speed 60r/min are added in the first stirred tank, stirs 10min,
To form cement grout；
C. 35kg acetone is added in the second stirred tank, pre-composition is cooled to after room temperature and is added in the second stirred tank,
Revolving speed 60r/min, stirring to pre-composition are completely dissolved to form premix solution；
Premix solution is added in the cement grout in the first stirred tank again, by the first stirred tank with revolving speed 100r/
Min is stirred, and stirs 15min to stir evenly；
D. by glass fibre 6kg, marble powder 23kg, quartz sand 11kg, clay 17kg, ceramic powder 25kg, carbon black 18kg
It is added in the first stirred tank, revolving speed 60r/min, stirs 30min, revolving speed 120r/min, stir 15min, revolving speed 30r/min is held
Continuous stirring is finished to using.
Comparative example 1
The difference from embodiment 1 is that:
The slurries of anti-seismic concrete the preparation method is as follows:
A. optical activity polymethyl triphenyl phosphate methyl esters 35kg and silane coupling agent 20kg are added in kneader, heating
To 165 DEG C, constant temperature stirs 60s, forms pre-composition；
B. portland cement 100kg and water 50kg, revolving speed 60r/min are added in the first stirred tank, stirs 10min,
To form cement grout；
C. 35kg acetone is added in the second stirred tank, pre-composition is cooled to after room temperature and is added in the second stirred tank,
Revolving speed 60r/min, stirring to pre-composition are completely dissolved to form premix solution；
Premix solution is added in the cement grout in the first stirred tank again, by the first stirred tank with revolving speed 100r/
Min is stirred, and stirs 15min to stir evenly；
D. by glass fibre 6kg, marble powder 23kg, quartz sand 11kg, clay 17kg, ceramic powder 25kg, carbon black 18kg
It is added in the first stirred tank, revolving speed 60r/min, stirs 30min, revolving speed 120r/min, stir 15min, revolving speed 30r/min is held
Continuous stirring is finished to using.
Comparative example 2
The difference from embodiment 1 is that:
The slurries of anti-seismic concrete the preparation method is as follows:
A. silane coupling agent 20kg is added in kneader, is warming up to 165 DEG C, constant temperature stirs 180s, forms pre-composition；
B. portland cement 100kg and water 50kg, revolving speed 60r/min are added in the first stirred tank, stirs 10min,
To form cement grout；
C. 35kg acetone is added in the second stirred tank, pre-composition is cooled to after room temperature and is added in the second stirred tank,
Revolving speed 60r/min, stirring to pre-composition are completely dissolved to form premix solution；
Premix solution is added in the cement grout in the first stirred tank again, by the first stirred tank with revolving speed 100r/
Min is stirred, and stirs 15min to stir evenly；
D. by glass fibre 6kg, marble powder 23kg, quartz sand 11kg, clay 17kg, ceramic powder 25kg, carbon black 18kg
It is added in the first stirred tank, revolving speed 60r/min, stirs 30min, revolving speed 120r/min, stir 15min, revolving speed 30r/min is held
Continuous stirring is finished to using.
Comparative example 3
The difference from embodiment 1 is that:
The slurries of anti-seismic concrete the preparation method is as follows:
A. silane coupling agent 20kg is added in kneader, is warming up to 165 DEG C, constant temperature stirs 180s, forms pre-composition；
B. portland cement 100kg and water 50kg, revolving speed 60r/min are added in the first stirred tank, stirs 10min,
To form cement grout；
C. 35kg acetone is added in the second stirred tank, pre-composition is cooled to after room temperature and is added in the second stirred tank,
Revolving speed 60r/min, stirring to pre-composition are completely dissolved to form premix solution；
Premix solution is added in the cement grout in the first stirred tank again, by the first stirred tank with revolving speed 100r/
Min is stirred, and stirs 15min to stir evenly；
D. glass fibre 6kg, marble powder 23kg, quartz sand 11kg, ceramic powder 25kg, carbon black 18kg first is added to stir
It mixes in kettle, revolving speed 60r/min, stirs 30min, revolving speed 120r/min, stir 15min, revolving speed 30r/min, continuing stirring until makes
With finishing.
Comparative example 4
The difference from embodiment 1 is that:
The slurries of anti-seismic concrete the preparation method is as follows:
A. silane coupling agent 20kg is added in kneader, is warming up to 165 DEG C, constant temperature stirs 180s, forms pre-composition；
B. portland cement 100kg and water 50kg, revolving speed 60r/min are added in the first stirred tank, stirs 10min,
To form cement grout；
C. 35kg acetone is added in the second stirred tank, pre-composition is cooled to after room temperature and is added in the second stirred tank,
Revolving speed 60r/min, stirring to pre-composition are completely dissolved to form premix solution；
Premix solution is added in the cement grout in the first stirred tank again, by the first stirred tank with revolving speed 100r/
Min is stirred, and stirs 15min to stir evenly；
D. glass fibre 6kg, marble powder 23kg, quartz sand 11kg, ceramic powder 25kg are added in the first stirred tank, are turned
Fast 60r/min stirs 30min, revolving speed 120r/min, stirs 15min, and revolving speed 30r/min continues stirring until use and finishes.
Experiment 1
According to the method preparation experiment road of each Examples and Comparative Examples on the soil block of compacting, experiment road is placed on
It simulates on earthquake platform, is gripped by the bracket being connected on simulation earthquake platform, test experiments road is simulated when being broken
The earthquake intensity grade of earthquake platform.
The two-way traffic town road that road is length 10m is tested, the distance of earthwork block edge distance experiment road edge is 1
Rice.
Experiment 2
The antidetonation coagulation of each embodiment preparation is detected according to GB/T50107-2010 " Standard for inspection and assessment of strength of concrete "
The compression strength of soil.
Specific detection data is shown in Table 1.
Table 1
| Earthquake intensity grade when collapsing | Compression strength | |
| Embodiment 1 | 9 grades of road surfaces are cracked | 35MPa |
| Embodiment 2 | 9 grades of road surfaces are cracked | 35MPa |
| Embodiment 3 | 9 grades of road surfaces are cracked | 36MPa |
| Embodiment 4 | 9 grades of road surfaces are cracked | 38MPa |
| Embodiment 5 | 9 grades of road surfaces are cracked | 34MPa |
| Comparative example 1 | There is larger slight crack in 9 grades of road surfaces | 32MPa |
| Comparative example 2 | 8 grades of whole fractures are collapsed | 31MPa |
| Comparative example 3 | 7 grades of whole fractures are collapsed | 31MPa |
| Comparative example 4 | 7 grades of whole fractures are collapsed | 28MPa |
It can be obtained according to table 1, constant temperature stirring power effectively improves Silanization reaction degree at 165-180 DEG C, so that optical activity
Damping consumption ground when polymethyl triphenyl phosphate methyl esters effectively can provide elasticity for cement and pass through strand elastic deformation
The jerk generated is shaken, so that concrete base layer is not easy to break, so that the anti-seismic performance of town road is preferable.
The antidetonation of town road can be effectively improved by the way that optical activity polymethyl triphenyl phosphate methyl esters and clay is added
Performance.
The compression strength of anti-seismic concrete can be effectively improved by the way that carbon black is added steadily to support pavement structure.
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 method, it is characterized in that: the following steps are included:
(1) earth excavation；
(2) it is laid with concrete base layer, specific as follows:
The side of loosening the soil bottom is harrowed, steel mesh is laid with, pours anti-seismic concrete, consolidates, forms concrete base layer after solidification；
(3) it is laid with sand-gravel cushion；
(4) asphalt surface layer；
The anti-seismic concrete includes the component of following mass fraction:
100 parts of portland cement；
25-35 parts of triphenyl phosphate methyl esters of optical activity polymethyl；
15-20 parts of silane coupling agent；
90-100 parts of filler.
2. municipal road construction method according to claim 1, it is characterized in that: in the step (2), earthwork bottom rake pine
Depth is 30-40cm.
3. municipal road construction method according to claim 1, it is characterized in that: being laid with steel mesh in the step (2)
When, steel mesh is abutted with earthwork bottom.
4. municipal road construction method according to claim 1, it is characterized in that: the anti-seismic concrete includes following quality
The component of number:
100 parts of portland cement；
32-35 parts of triphenyl phosphate methyl esters of optical activity polymethyl；
18-20 parts of silane coupling agent；
95-98 parts of filler.
5. municipal road construction method according to claim 4, it is characterized in that: the filler includes following mass fraction
Component:
5-8 parts of glass fibre；
20-25 parts of marble powder；
10-12 parts of quartz sand；
15-18 parts of clay；
20-25 parts of ceramic powder；
15-20 parts of carbon black；
Gross mass part of the filler is 95-98 parts.
6. municipal road construction method according to claim 1, it is characterized in that: the preparation of the slurries of the anti-seismic concrete
Method the following steps are included:
A. optical activity polymethyl triphenyl phosphate methyl esters and silane coupling agent are mixed at 165-180 DEG C to form pre-composition；
B. portland cement is added to the water and is stirred evenly to form cement grout；
C. pre-composition is added in cement grout and is stirred evenly；
D. filler is added in cement grout and is stirred evenly to form concrete slurry.
7. municipal road construction method according to claim 6, it is characterized in that: in the step a, at 165-180 DEG C
Constant temperature stirs 120s-180s.
8. municipal road construction method according to claim 6, it is characterized in that: being cooled to pre-composition in the step c
Room temperature is simultaneously dissolved in organic solvent and forms premix solution, adds in cement grout.
9. municipal road construction method according to claim 8, it is characterized in that: in the step c, the organic solvent is
Acetone.
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| 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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