CN107935626A - A kind of construction method of high-early-strength type road - Google Patents
A kind of construction method of high-early-strength type road Download PDFInfo
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- CN107935626A CN107935626A CN201711203807.5A CN201711203807A CN107935626A CN 107935626 A CN107935626 A CN 107935626A CN 201711203807 A CN201711203807 A CN 201711203807A CN 107935626 A CN107935626 A CN 107935626A
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- strength type
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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
- 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
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- 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
-
- 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
- C04B2111/40—Porous or lightweight 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of construction method of high-early-strength type road.This construction method comprises the following steps：1) construction site prepares；2) high-early-strength type cement is prepared；3) cement slurry is prepared；4) foam is prepared；5) foam concrete is prepared；6) foam concrete is poured into a mould；7) foam concrete conserves.The present invention is by first preparing a kind of high-early-strength type cement, and then a kind of high-early-strength type foam concrete for meeting construction requirement is prepared, pass through cast-in-situ construction method of the foam concrete in highway high roadbed, the efficiency of cast can be improved, save artificial, shorten overall engineering time, speed up the work.
Description
Technical field
The present invention relates to a kind of construction method of high-early-strength type road.
Background technology
Western China, landforms, in mountain area building highway, are subject to landform, landforms, hydrogeology based on mountainous region
The limitation of condition, inevitably needs to carry out existing roadbed high roadbed enlarging construction；While in order to meet national entirety
Planning requirement, and the earthwork resource of excavation is preferably made good use of, can more and more it be used when carrying out highway extension project
The form of high-fill roadbed.In High Grade Highway in Mountain Area, embankment and cut subgrade account for 80%, wherein the height more than 20m is filled out
Fang Ludi is not within minority.And as the promotion of national policy, transport development are quickly grown, in highway extension project from now on
The structure type of high embankment all will further improve, high embankment will also become roadbed knot either quantitatively or in height
The principal mode of structure.
It is higher to its bottom foundation trench requirement for bearing capacity since soil body vertical pressure is larger in high-fill roadbed region, and
Often due to the duration is tighter, its sufficient static balance time can not be given, cause newly to repair roads easily goes out in use
Existing differential settlement phenomenon.And the concrete light of light foam concrete weight ratio same volume, account for 30%~50%, Ke Yi great
It is big to reduce relevant pressure and posterior settlement, therefore the high roadbed application of light foam concrete progress highway is used, can be extensive
Save the maintenance cost in later stage and ensure traffic safety.
With the needs of engineering construction and the development of construction technology, the early strength of foam concrete is carried in some engineerings
Go out higher requirement, the demand of high-early-strength type concrete is also begun to gradually increase, including：1st, the pre- of early stage compression is needed
Prestressed concrete；2nd, the precast concrete quickly produced is needed；3rd, the engineering of rapid cast-in-place shaping；4th, template is accelerated
Service cycle；5th, winter construction；6th, road rapid repair；7th, it is quick to pave the way and other purposes.In order to solve the above-mentioned technical problem,
Need to research and develop a kind of efficient cement construction method, meet the engine request of highway high roadbed.
The content of the invention
It is an object of the invention to provide a kind of construction method of high-early-strength type road.
The technical solution used in the present invention is：
A kind of construction method of high-early-strength type road, comprises the following steps：
1) construction site prepares：Smooth, cleaning construction site, separates place into some pieces of construction areas with template；
2) high-early-strength type cement is prepared：In mixer, by cement, miberal powder, flyash, quick lime, ardealite, aluminium alum
Soil, sodium bromide and water-reducing agent mixing, obtain high-early-strength type cement；
3) cement slurry is prepared：In mixer, high-early-strength type cement and water are mixed, obtain cement slurry；
4) foam is prepared：In foaming machine, by concrete foamer and water mixed preparing foaming agent solution, foaming agent is expedited the emergence of
Solution foaming, obtains foam；
5) foam concrete is prepared：By cement slurry and foams mix, foam concrete is obtained；
6) foam concrete is poured into a mould：Foam concrete is pumped to construction area with pipeline, by foam concrete from
Stream is poured into a mould；
7) foam concrete conserves：After foam concrete final set, watering maintenance is carried out.
In step 1), the height of template<1m, the area of every piece of construction area<400m2。
In step 2), cement, miberal powder, flyash, quick lime, ardealite, bauxite, the mass ratio of sodium bromide and water-reducing agent
For (38~42)：(18~22)：(14~16)：(8~10)：(8~9)：(3~5)：(2~4)：(0.3~0.6).
In step 2), cement is Portland cement, and miberal powder is ground granulated blast furnace slag, and flyash is II grade of F class flyash,
Water-reducing agent is melamine water reducing agent.
In step 3), the water content of cement slurry is 35~45wt%.
In step 4), the mass ratio 1 of concrete foamer and water：(18~20)；It is to pass through air compressor to expedite the emergence of foaming
Foaming is expedited the emergence of, the operating pressure of air compressor is 0.7~0.9MPa；Expansion ratio is the 18~22 of foaming agent solution volume
Times.
In step 5), foam accounts for the 60~70% of foam concrete cumulative volume.
In step 5), the wet density of foam concrete is controlled in 500kg/m3~600kg/m3。
In step 6), the outlet of pipeline is concordant with the casting area of foam concrete.
In step 7), the time of maintenance is no less than 10 days.
The beneficial effects of the invention are as follows：
The present invention is prepared and a kind of meets the fast hard of construction requirement by first preparing a kind of high-early-strength type cement
Early-strength foam concrete, by cast-in-situ construction method of the foam concrete in highway high roadbed, can improve the effect of cast
Rate, saves manually, shortens overall engineering time, speed up the work.
It is specific as follows：
1st, a kind of high-early-strength type cement is first prepared in the present invention, and then is prepared and a kind of meets the fast of construction requirement
Hard early-strength foam concrete, in the process that the early period of cast can carry out next step, such as form removal in advance, machinery can shift to an earlier date
March into the arena, greatly shorten overall engineering time, speed up the work.
2nd, by the construction method of the present invention, the wet density using foam concrete is 500kg/m3~600kg/m3Between,
It can realize Self-leveling, while its intensity can also reach the requirement of engineering, without as current construction method, it is also necessary to manually go
Strike off, saving is substantial amounts of artificial, while improves the efficiency of cast, shortens the duration of construction.
Embodiment
A kind of construction method of high-early-strength type road, comprises the following steps：
1) construction site prepares：Smooth, cleaning construction site, separates place into some pieces of construction areas with template；
2) high-early-strength type cement is prepared：In mixer, by cement, miberal powder, flyash, quick lime, ardealite, aluminium alum
Soil, sodium bromide and water-reducing agent mixing, obtain high-early-strength type cement；
3) cement slurry is prepared：In mixer, high-early-strength type cement and water are mixed, obtain cement slurry；
4) foam is prepared：In foaming machine, by concrete foamer and water mixed preparing foaming agent solution, foaming agent is expedited the emergence of
Solution foaming, obtains foam；
5) foam concrete is prepared：By cement slurry and foams mix, foam concrete is obtained；
6) foam concrete is poured into a mould：Foam concrete is pumped to construction area with pipeline, by foam concrete from
Stream is poured into a mould；
7) foam concrete conserves：After foam concrete final set, watering maintenance is carried out.
Preferably, in step 1), the height of template<1m, the area of every piece of construction area<400m2。
Preferably, in step 2), cement, miberal powder, flyash, quick lime, ardealite, bauxite, sodium bromide and water-reducing agent
Mass ratio be (38~42)：(18~22)：(14~16)：(8~10)：(8~9)：(3~5)：(2~4)：(0.3~0.6)；
It is further preferred that in step 2), cement, miberal powder, flyash, quick lime, ardealite, bauxite, sodium bromide and water-reducing agent
Mass ratio is 40:20:15:9:8.5:4:3:0.5.
In step 2), cement is Portland cement, and miberal powder is ground granulated blast furnace slag, and flyash is II grade of F class flyash,
Water-reducing agent is melamine water reducing agent.
Preferably, in step 3), the water content of cement slurry is 35~45wt%；It is further preferred that in step 3), water
The water content of pug slurry is 40wt%.
Preferably, in step 3), the speed of agitator of mixer is 20~40r/min, the mixing time of mixing for 10~
15min。
Preferably, in step 4), the mass ratio 1 of concrete foamer and water：(18~20)；It is further preferred that step
4) in, the mass ratio 1 of concrete foamer and water：19.
Preferably, in step 4), it is to expedite the emergence of foaming, the operating pressure of air compressor by air compressor to expedite the emergence of foaming
For 0.7~0.9MPa；It is further preferred that in step 4), the operating pressure of air compressor is 0.8MPa.
Preferably, in step 4), expansion ratio is 18~22 times of foaming agent solution volume；It is further preferred that step
4) in, expansion ratio is 20 times of foaming agent solution volume.
Further, in step 4), concrete foamer prepares the Traditional blowing agents used, such as rosin for Foam lightweight soil
Sour soaps foaming agent, metallic aluminium powder foaming agent, vegetable protein foaming agent, animal protein foaming agent, resin soaps foaming agent, hydrolysis
Blood glue foaming agent, mahogany acid aluminium foaming agent etc..
Preferably, in step 5), foam accounts for the 60~70% of foam concrete cumulative volume.
Preferably, in step 5), the wet density of foam concrete is controlled in 500kg/m3~600kg/m3。
Preferably, in step 6), the outlet of pipeline is concordant with the casting area of foam concrete.
Preferably, in step 7), the time of maintenance is no less than 10 days；It is further preferred that in step 7), the time of maintenance
For 10~14 days.
Present disclosure is described in further detail below by way of specific embodiment.
Embodiment：
1st, construction site prepares
Farm Planning includes：Levelling of the land, cleans place rubbish and floating dust, the surface dust in place cleaning, in order to avoid influence to pour
The combination power of foam concrete and basic unit after note, keeps pending place clean, smooth, firm and dry；During dry weather
Watering pretreatment is carried out to place, place is soaked, at least spills twice, to increase the combination power of pouring layer and basic unit, but basic unit's table
Face must not have obvious ponding, with prevent basic unit because absorb water it is excessive and caused by lather collapse in foam concrete；To be constructed field
Ground is separated into area with template and is less than 400m2Region, and with falsework fixed form, prevent foam coagulation in work progress
Earth lateral pressure causes template to collapse；Form height needs to adjust according to each construction, and each construction height is no more than 1m.
2nd, high-early-strength type cement is prepared
1) mass parts are pressed, take the common 42.5 type cement of PO of China Resources board and 20 parts of blast-furnace cinders of 40 parts of in the market purchases
Powder, 15 parts of II grade of F classes flyash add mixer and are stirred 5 minutes under 30r/min；
2) 9 parts of quick limes, 8.5 parts of ardealites, 4 parts of aluminium vanadine, 3 parts of brominations are added into the above-mentioned mixture stirred evenly
Sodium and 0.5 part of melamine water-reducing agent, start mixer and continue stirring 10 minutes under 30r/min, that is, obtain high-early-strength type
Cement.
3rd, cement slurry is prepared
10min is mixed under 30r/min in high-early-strength type cement and water, is mixed into the water that water content is 40wt%
Pug is starched；
Take commercially available 42.5 grades of Portland cements (comparative example 1), 42.5 grades of early-strength portland cements (comparative example 2)
The comparative example cement slurry that water content is 40wt% is mixed into water, intensity contrast test point is carried out with the cement slurry of embodiment
Analysis, the method for strength test according to《GB/T50081-2016 standard for test methods of mechanical properties of ordinary concretes》, respectively 3
My god, 7 days and 28 days carry out ruggedness test；The results show that its intensity at 3 days, 7 days and 28 days of the concrete test block of comparative example 1
19.5MPa, 32.9MPa and 42.3MPa respectively, comparative example 2 correspond to 23.8MPa, 35.2MPa and 39.7MPa respectively, and originally
Embodiment corresponds to 30.5MPa, 36.8MPa and 45.2MPa respectively, this illustrates its 3 days intensity ratio morning of test specimen of the present invention
Strong type cement will be got well, while its 28 days intensity are also higher than early-strength cement and plain edition cement；So by of the invention fast hard early
The cementitious material that strong type formula is prepared, not only increases the compression strength of early stage, while the compression strength in later stage will not
Reduce.
4th, foam is prepared
The foaming agent feed pipe of foaming machine is connected in concrete foamer, while connects the water inlet pipe of foaming machine, is set
Good dilution ratio is 20, i.e., the mass ratio of foaming agent and water is 1：19, it is made into foaming agent solution.Then air compression is connected
Machine, the pressure for setting air compressor is 0.8MPa, starts to foam, and final expansion ratio is 20 times, i.e., foams by volume
Agent solution：Foam=1：20, foam diameter is 0.5~3mm.
5th, foam concrete is prepared
The cement slurry that the cement slurry prepared in step 3 is at the uniform velocity conveyed into foaming machine by pumping line is fed
Mouthful, while the stir storehouse that the foam prepared is conveyed into foaming machine is stirred, and treats that both after mixing, take what is mixed
Foam concrete measures wet density, and control wet density is in 500kg/m3-600kg/m3Between, foam volume accounts for total foam coagulation at this time
The 60%~70% of soil body product.After testing, its fluidity of the foam concrete being prepared is 340~350, it is possible to achieve gravity flow
Conveying.
6th, foam concrete is poured into a mould
The foam concrete mixed is pumped into the ready workspace of step 1 by pipeline, pipeline opening is mixed with foam
It is concordant to coagulate the liquid level of soil, reduces contact of the foam concrete with air to the greatest extent, prevents from defoaming.Treat a predetermined workspace cast
After highly reaching design height, pipeline opening can be improved foam concrete progress entirety is put down, then stop feed, transfer pipe
Road goes to next workspace, and the workspace poured into a mould does not have to manually be struck off.
7th, cast-in-place foamed concrete conserves
Start watering maintenance after foam concrete final set, prevent foam concrete surface dehydration dry shrinkage and cracking.During summer,
Watering at least 3 times daily；During winter, curing temperature should be controlled at 0~35 DEG C.Conserving the time limit must not be less than 10 days, can be appropriate
Extend to 14 days.After maintenance, its intensity can reach more than 1MPa, meet the construction requirement at scene.
A kind of high-early-strength type cement is first prepared in the present invention, and then is prepared and a kind of meets the fast hard of construction requirement
Early-strength foam concrete, in the process that the early period of cast can carry out next step, such as form removal in advance, machinery can shift to an earlier date into
Etc., overall engineering time is greatly shortened, is speeded up the work.
It is 500kg/m using wet density by the construction method of the present invention3~600kg/m3Between foam concrete, can
To realize Self-leveling, while its intensity can also reach the requirement of engineering, without as current construction method, it is also necessary to manually go to scrape
Flat, saving is substantial amounts of artificial, while improves the efficiency of cast, shortens the duration of construction.
Claims (10)
- A kind of 1. construction method of high-early-strength type road, it is characterised in that：Comprise the following steps：1) construction site prepares：Smooth, cleaning construction site, separates place into some pieces of construction areas with template；2) high-early-strength type cement is prepared：In mixer, by cement, miberal powder, flyash, quick lime, ardealite, bauxite, Sodium bromide and water-reducing agent mixing, obtain high-early-strength type cement；3) cement slurry is prepared：In mixer, high-early-strength type cement and water are mixed, obtain cement slurry；4) foam is prepared：In foaming machine, by concrete foamer and water mixed preparing foaming agent solution, foaming agent solution is expedited the emergence of Foaming, obtains foam；5) foam concrete is prepared：By cement slurry and foams mix, foam concrete is obtained；6) foam concrete is poured into a mould：Foam concrete is pumped to construction area with pipeline, passes through flowing into certainly for foam concrete Row cast；7) foam concrete conserves：After foam concrete final set, watering maintenance is carried out.
- A kind of 2. construction method of high-early-strength type road according to claim 1, it is characterised in that：In step 1), mould The height of plate<1m, the area of every piece of construction area<400m2。
- A kind of 3. construction method of high-early-strength type road according to claim 1, it is characterised in that：In step 2), water Mud, miberal powder, flyash, quick lime, ardealite, bauxite, the mass ratio of sodium bromide and water-reducing agent are (38~42)：(18~ 22)：(14~16)：(8~10)：(8~9)：(3~5)：(2~4)：(0.3~0.6).
- A kind of 4. construction method of high-early-strength type road according to claim 3, it is characterised in that：In step 2), water Mud is Portland cement, and miberal powder is ground granulated blast furnace slag, and flyash is II grade of F class flyash, and water-reducing agent subtracts for melamine Aqua.
- A kind of 5. construction method of high-early-strength type road according to claim 1, it is characterised in that：In step 3), water The water content of pug slurry is 35~45wt%.
- A kind of 6. construction method of high-early-strength type road according to claim 1, it is characterised in that：In step 4), mix The mass ratio 1 of solidifying soil foaming agent and water：(18~20)；It is to expedite the emergence of foaming, air compressor by air compressor to expedite the emergence of foaming Operating pressure be 0.7~0.9MPa；Expansion ratio is 18~22 times of foaming agent solution volume.
- A kind of 7. construction method of high-early-strength type road according to claim 1, it is characterised in that：In step 5), bubble Foam accounts for the 60~70% of foam concrete cumulative volume.
- A kind of 8. construction method of high-early-strength type road according to claim 1, it is characterised in that：In step 5), bubble The wet density of foam concrete is controlled in 500kg/m3~600kg/m3。
- A kind of 9. construction method of high-early-strength type road according to claim 1, it is characterised in that：In step 6), pipe The outlet in road is concordant with the casting area of foam concrete.
- A kind of 10. construction method of high-early-strength type road according to claim 1, it is characterised in that：In step 7), support The time of shield is no less than 10 days.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711203807.5A CN107935626B (en) | 2017-11-27 | 2017-11-27 | Construction method of rapid-hardening early-strength road |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711203807.5A CN107935626B (en) | 2017-11-27 | 2017-11-27 | Construction method of rapid-hardening early-strength road |
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| CN107935626A true CN107935626A (en) | 2018-04-20 |
| CN107935626B CN107935626B (en) | 2020-12-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113683377A (en) * | 2021-08-30 | 2021-11-23 | 广东盛瑞科技股份有限公司 | Foamed light soil with high phosphogypsum content and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887772A (en) * | 2005-06-27 | 2007-01-03 | 牛宁民 | Sulfoaluminate cement foaming agent and foamed sulfoaluminate cement concrete |
| CN103508712A (en) * | 2012-06-28 | 2014-01-15 | 沈阳红姗石建筑装饰材料有限公司 | High-performance cast-in-place foam concrete and preparation method thereof |
| CN104086215A (en) * | 2014-04-11 | 2014-10-08 | 中国水利水电第十一工程局有限公司 | Foam concrete material and construction technology thereof |
| RU2610008C1 (en) * | 2015-12-07 | 2017-02-07 | Юлия Алексеевна Щепочкина | Raw materials for manufacturing foam concrete |
| CN107165013A (en) * | 2017-06-02 | 2017-09-15 | 东南大学 | Geotechnical grid reinforcement foam concrete light road foundation fills structure and its method |
-
2017
- 2017-11-27 CN CN201711203807.5A patent/CN107935626B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887772A (en) * | 2005-06-27 | 2007-01-03 | 牛宁民 | Sulfoaluminate cement foaming agent and foamed sulfoaluminate cement concrete |
| CN103508712A (en) * | 2012-06-28 | 2014-01-15 | 沈阳红姗石建筑装饰材料有限公司 | High-performance cast-in-place foam concrete and preparation method thereof |
| CN104086215A (en) * | 2014-04-11 | 2014-10-08 | 中国水利水电第十一工程局有限公司 | Foam concrete material and construction technology thereof |
| RU2610008C1 (en) * | 2015-12-07 | 2017-02-07 | Юлия Алексеевна Щепочкина | Raw materials for manufacturing foam concrete |
| CN107165013A (en) * | 2017-06-02 | 2017-09-15 | 东南大学 | Geotechnical grid reinforcement foam concrete light road foundation fills structure and its method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113683377A (en) * | 2021-08-30 | 2021-11-23 | 广东盛瑞科技股份有限公司 | Foamed light soil with high phosphogypsum content and preparation method thereof |
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| CN107935626B (en) | 2020-12-29 |
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