CN107129231A - A kind of high intensity backfilling material based on building waste and preparation method thereof - Google Patents
A kind of high intensity backfilling material based on building waste and preparation method thereof Download PDFInfo
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- CN107129231A CN107129231A CN201710385039.3A CN201710385039A CN107129231A CN 107129231 A CN107129231 A CN 107129231A CN 201710385039 A CN201710385039 A CN 201710385039A CN 107129231 A CN107129231 A CN 107129231A
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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
-
- 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
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
-
- 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
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of high intensity backfilling material based on building waste, it is made up of the raw material below according to parts by weight：140 150 parts of building waste, 30 35 parts of cement, 25 parts of triisopropanolamine, 36 parts of silicon ash, 42 46 parts of gangue, 12 parts of polyvinyl alcohol, 23 parts of sodium metasilicate.The preparation method of the high intensity backfilling material based on building waste is also disclosed in the present invention.High intensity backfilling material based on building waste prepared by the present invention can be uniformly densely filled in construction in backfill groove, it will not leave behind hole, and intensity is high, it is less prone to cracking, sagging situation, it ensure that the service life on road surface, and using building waste and gangue these obsolete materials, turn waste into wealth, meet the development trend of environmental protection, with important market value and social value.
Description
Technical field
The present invention relates to civil engineering material technical field, specifically a kind of high intensity backfilling material based on building waste
And preparation method thereof.
Background technology
At present, China is in extensive capital construction period at a high speed, and large-scale build brings both sides mainly to ask
Topic, one is that the consumptions of natural resources is increasing year by year, is on the other hand that the yield of building waste is also being continuously increased.According to system
Meter, China just consumes sandstone aggregate with annual 9000000000 tons of speed, and cement, the mistake of sand material are consumed with annual 1400000000 tons of speed
Degree exploitation, brings the heavy damage of arable land vegetation, and sand material is faced with the border of increasingly depleted as non-renewable natural resources
Ground.At the same time several hundred million tons of building wastes are inevitably generated every year.If not in time handle and utilize, will to society,
Environment and resource bring adverse effect.However, overwhelming majority building waste is just transported to without any processing by unit in charge of construction at present
Countryside or rural area, air storage or landfill, appropriation of land, polluted-water, air and soil, the economic construction to China are brought sternly
Ghost image rings.
Have at present to the regeneration application method of building waste a lot, prepare backfill and expect be exactly a kind of important building waste again
Raw application method.In road construction and the backfilling process, it is necessary to using backfill material, and pipeline after embedded is safeguarded in maintenance processes
Need also exist for using backfill material.The not good defect of generally existing intensity is expected in backfill prepared by existing use building waste, is made
Easily cracking during, sagging situations such as, influence the service life on road surface.
The content of the invention
It is an object of the invention to provide a kind of high intensity backfilling material based on building waste and preparation method thereof, to solve
The problem of being proposed in certainly above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of high intensity backfilling material based on building waste, is made up of the raw material below according to parts by weight：Building waste
140-150 parts, 30-35 parts of cement, 2-5 parts of triisopropanolamine, 3-6 parts of silicon ash, 42-46 parts of gangue, 1-2 parts of polyvinyl alcohol,
2-3 parts of sodium metasilicate.
It is used as further scheme of the invention：It is made up of the raw material below according to parts by weight：143-147 parts of building waste,
31-34 parts of cement, 3-4 parts of triisopropanolamine, 4-5 parts of silicon ash, 43-45 parts of gangue, 1.2-1.8 parts of polyvinyl alcohol, sodium metasilicate
2.3-2.7 part.
It is used as further scheme of the invention：It is made up of the raw material below according to parts by weight：145 parts of building waste, water
33 parts of mud, 3.5 parts of triisopropanolamine, 4.5 parts of silicon ash, 44 parts of gangue, 1.5 parts of polyvinyl alcohol, 2.5 parts of sodium metasilicate.
It is used as further scheme of the invention：The cement is Portland cement.
The preparation method of the high intensity backfilling material based on building waste, step is as follows：
1) sodium metasilicate is weighed, the water of 30-35 times of weight is added, after stirring, sodium silicate solution is obtained, it is standby；
2) building waste after sorting is weighed, after crushing, 30-50 mesh sieves is crossed, obtains construction waste powder；
3) construction waste powder after calcination processing 1-2h, calcination processing, is treated that construction waste powder drops at 520-530 DEG C
It is poured into when temperature is to 280-310 DEG C in sodium silicate solution, stirs 10-15min, obtains the first mixture；
4) polyvinyl alcohol is weighed, the water of 23-26 times of weight is added, stirring mixing 15-20min then heats to 90-95
DEG C, continue to stir 25-30min, obtain poly-vinyl alcohol solution, it is standby；
5) gangue is weighed, after crushing, 30-50 mesh sieves is crossed, obtains colliery powder；
6) colliery powder after calcination processing 1-2h, calcination processing, is treated that colliery powder is cooled to 200- at 450-460 DEG C
At 230 DEG C, it is poured into poly-vinyl alcohol solution, stirs 20-30min, obtains the second mixture；
7) the first mixture and the second mixture are sent into ball mill, ball milling mixing 2-3h obtains the 3rd mixture；
8) the 3rd mixture is subjected to separation of solid and liquid, and solid will be obtained to be dried at 125-130 DEG C, obtain the 4th and mix
Thing；
9) the 4th mixture is well mixed with cement, triisopropanolamine and silicon ash, you can.
It is used as further scheme of the invention：Step 2) in, the building waste after the sorting refers to building waste
In waste plastics, culled wood and old metal cleaning sort out rear remaining building waste.
Compared with prior art, the beneficial effects of the invention are as follows：
High intensity backfilling material based on building waste prepared by the present invention can be uniformly densely filled in construction
Backfill in groove, will not leave behind hole, and intensity is high, is less prone to cracking, sagging situation, it is ensured that the service life on road surface；
High intensity backfilling material based on building waste prepared by the present invention becomes useless using building waste and gangue these obsolete materials
For treasured, the problem of obsolete material accumulation is brought not only is solved, and reduces the consumption of sand material, meets environmental protection
Development trend, with important market value and social value.
Embodiment
Technical scheme is described in more detail with reference to embodiment.
Embodiment 1
A kind of high intensity backfilling material based on building waste, is made up of the raw material below according to parts by weight：Building waste
140 parts, 30 parts of cement, 2 parts of triisopropanolamine, 3 parts of silicon ash, 42 parts of gangue, 1 part of polyvinyl alcohol, 2 parts of sodium metasilicate.Wherein, institute
Cement is stated for Portland cement.
In the present embodiment, the preparation method of the high intensity backfilling material based on building waste, step is as follows：
1) sodium metasilicate is weighed, the water of 30 times of weight is added, after stirring, sodium silicate solution is obtained, it is standby；
2) building waste after sorting is weighed, after crushing, 30 mesh sieves is crossed, obtains construction waste powder, wherein, the sorting
Building waste afterwards, refers to the waste plastics in building waste, culled wood and old metal cleaning sorting out rear remaining building
Rubbish；
3) construction waste powder after calcination processing 1h, calcination processing, is treated that construction waste powder is cooled at 520 DEG C
It is poured at 280 DEG C in sodium silicate solution, stirs 10min, obtains the first mixture；
4) polyvinyl alcohol is weighed, the water of 23 times of weight is added, stirring mixing 15min then heats to 90 DEG C, continues to stir
25min, obtains poly-vinyl alcohol solution, standby；
5) gangue is weighed, after crushing, 30 mesh sieves is crossed, obtains colliery powder；
6) colliery powder after calcination processing 1h, calcination processing, when colliery powder is cooled to 200 DEG C, is incited somebody to action at 450 DEG C
It is poured into poly-vinyl alcohol solution, stirs 20min, obtains the second mixture；
7) the first mixture and the second mixture are sent into ball mill, ball milling mixing 2h obtains the 3rd mixture；
8) the 3rd mixture is subjected to separation of solid and liquid, and solid will be obtained to be dried at 125 DEG C, obtain the 4th mixture；
9) the 4th mixture is well mixed with cement, triisopropanolamine and silicon ash, you can.
Embodiment 2
A kind of high intensity backfilling material based on building waste, is made up of the raw material below according to parts by weight：Building waste
143 parts, 31 parts of cement, 4 parts of triisopropanolamine, 5 parts of silicon ash, 43 parts of gangue, 1.2 parts of polyvinyl alcohol, 2.7 parts of sodium metasilicate.Its
In, the cement is Portland cement.
In the present embodiment, the preparation method of the high intensity backfilling material based on building waste, step is as follows：
1) sodium metasilicate is weighed, the water of 31 times of weight is added, after stirring, sodium silicate solution is obtained, it is standby；
2) building waste after sorting is weighed, after crushing, 35 mesh sieves is crossed, obtains construction waste powder, wherein, the sorting
Building waste afterwards, refers to the waste plastics in building waste, culled wood and old metal cleaning sorting out rear remaining building
Rubbish；
3) construction waste powder after calcination processing 1.5h, calcination processing, is treated that construction waste powder is cooled at 520 DEG C
It is poured at 290 DEG C in sodium silicate solution, stirs 12min, obtains the first mixture；
4) polyvinyl alcohol is weighed, the water of 23 times of weight is added, stirring mixing 16min then heats to 90 DEG C, continues to stir
25min, obtains poly-vinyl alcohol solution, standby；
5) gangue is weighed, after crushing, 35 mesh sieves is crossed, obtains colliery powder；
6) by colliery powder at 452 DEG C after calcination processing 1.5h, calcination processing, when colliery powder is cooled to 210 DEG C,
It is poured into poly-vinyl alcohol solution, stirs 22min, obtains the second mixture；
7) the first mixture and the second mixture are sent into ball mill, ball milling mixing 2.5h obtains the 3rd mixture；
8) the 3rd mixture is subjected to separation of solid and liquid, and solid will be obtained to be dried at 125 DEG C, obtain the 4th mixture；
9) the 4th mixture is well mixed with cement, triisopropanolamine and silicon ash, you can.
Embodiment 3
A kind of high intensity backfilling material based on building waste, is made up of the raw material below according to parts by weight：Building waste
145 parts, 33 parts of cement, 3.5 parts of triisopropanolamine, 4.5 parts of silicon ash, 44 parts of gangue, 1.5 parts of polyvinyl alcohol, sodium metasilicate 2.5
Part.Wherein, the cement is Portland cement.
In the present embodiment, the preparation method of the high intensity backfilling material based on building waste, step is as follows：
1) sodium metasilicate is weighed, the water of 33 times of weight is added, after stirring, sodium silicate solution is obtained, it is standby；
2) building waste after sorting is weighed, after crushing, 40 mesh sieves is crossed, obtains construction waste powder, wherein, the sorting
Building waste afterwards, refers to the waste plastics in building waste, culled wood and old metal cleaning sorting out rear remaining building
Rubbish；
3) construction waste powder after calcination processing 1.5h, calcination processing, is treated that construction waste powder is cooled at 525 DEG C
It is poured at 300 DEG C in sodium silicate solution, stirs 13min, obtains the first mixture；
4) polyvinyl alcohol is weighed, the water of 25 times of weight is added, stirring mixing 18min then heats to 93 DEG C, continues to stir
28min, obtains poly-vinyl alcohol solution, standby；
5) gangue is weighed, after crushing, 40 mesh sieves is crossed, obtains colliery powder；
6) by colliery powder at 455 DEG C after calcination processing 1.5h, calcination processing, when colliery powder is cooled to 215 DEG C,
It is poured into poly-vinyl alcohol solution, stirs 25min, obtains the second mixture；
7) the first mixture and the second mixture are sent into ball mill, ball milling mixing 2.5h obtains the 3rd mixture；
8) the 3rd mixture is subjected to separation of solid and liquid, and solid will be obtained to be dried at 128 DEG C, obtain the 4th mixture；
9) the 4th mixture is well mixed with cement, triisopropanolamine and silicon ash, you can.
Embodiment 4
A kind of high intensity backfilling material based on building waste, is made up of the raw material below according to parts by weight：Building waste
147 parts, 34 parts of cement, 3 parts of triisopropanolamine, 4 parts of silicon ash, 45 parts of gangue, 1.8 parts of polyvinyl alcohol, 2.3 parts of sodium metasilicate.Its
In, the cement is Portland cement.
In the present embodiment, the preparation method of the high intensity backfilling material based on building waste, step is as follows：
1) sodium metasilicate is weighed, the water of 34 times of weight is added, after stirring, sodium silicate solution is obtained, it is standby；
2) building waste after sorting is weighed, after crushing, 40 mesh sieves is crossed, obtains construction waste powder, wherein, the sorting
Building waste afterwards, refers to the waste plastics in building waste, culled wood and old metal cleaning sorting out rear remaining building
Rubbish；
3) construction waste powder after calcination processing 1.5h, calcination processing, is treated that construction waste powder is cooled at 530 DEG C
It is poured at 310 DEG C in sodium silicate solution, stirs 14min, obtains the first mixture；
4) polyvinyl alcohol is weighed, the water of 25 times of weight is added, stirring mixing 18min then heats to 94 DEG C, continues to stir
28min, obtains poly-vinyl alcohol solution, standby；
5) gangue is weighed, after crushing, 40 mesh sieves is crossed, obtains colliery powder；
6) colliery powder after calcination processing 2h, calcination processing, when colliery powder is cooled to 220 DEG C, is incited somebody to action at 455 DEG C
It is poured into poly-vinyl alcohol solution, stirs 28min, obtains the second mixture；
7) the first mixture and the second mixture are sent into ball mill, ball milling mixing 3h obtains the 3rd mixture；
8) the 3rd mixture is subjected to separation of solid and liquid, and solid will be obtained to be dried at 128 DEG C, obtain the 4th mixture；
9) the 4th mixture is well mixed with cement, triisopropanolamine and silicon ash, you can.
Embodiment 5
A kind of high intensity backfilling material based on building waste, is made up of the raw material below according to parts by weight：Building waste
150 parts, 35 parts of cement, 5 parts of triisopropanolamine, 6 parts of silicon ash, 46 parts of gangue, 2 parts of polyvinyl alcohol, 3 parts of sodium metasilicate.Wherein, institute
Cement is stated for Portland cement.
In the present embodiment, the preparation method of the high intensity backfilling material based on building waste, step is as follows：
1) sodium metasilicate is weighed, the water of 35 times of weight is added, after stirring, sodium silicate solution is obtained, it is standby；
2) building waste after sorting is weighed, after crushing, 50 mesh sieves is crossed, obtains construction waste powder, wherein, the sorting
Building waste afterwards, refers to the waste plastics in building waste, culled wood and old metal cleaning sorting out rear remaining building
Rubbish；
3) construction waste powder after calcination processing 2h, calcination processing, is treated that construction waste powder is cooled at 530 DEG C
It is poured at 310 DEG C in sodium silicate solution, stirs 15min, obtains the first mixture；
4) polyvinyl alcohol is weighed, the water of 26 times of weight is added, stirring mixing 20min then heats to 95 DEG C, continues to stir
30min, obtains poly-vinyl alcohol solution, standby；
5) gangue is weighed, after crushing, 50 mesh sieves is crossed, obtains colliery powder；
6) colliery powder after calcination processing 2h, calcination processing, when colliery powder is cooled to 230 DEG C, is incited somebody to action at 460 DEG C
It is poured into poly-vinyl alcohol solution, stirs 30min, obtains the second mixture；
7) the first mixture and the second mixture are sent into ball mill, ball milling mixing 3h obtains the 3rd mixture；
8) the 3rd mixture is subjected to separation of solid and liquid, and solid will be obtained to be dried at 130 DEG C, obtain the 4th mixture；
9) the 4th mixture is well mixed with cement, triisopropanolamine and silicon ash, you can.
The application method of the high intensity backfilling material based on building waste, is returned to the high intensity based on building waste
The water of its gross weight 15.8% is added in filling chock material, slurry is obtained after being uniformly mixed, slurry is poured into backfill groove, with shaking
Tamper is vibrated again floating.
The high intensity backfilling material based on building waste prepared by 1-5 of the embodiment of the present invention, after use, resistance to compression in 1 day
Intensity can reach 480-490Mpa, can reach within 3 days 1100-1200Mpa, can reach within 7 days 1800-2000Mpa, intensity can surpass within 30 days
2400Mpa is crossed, retraction does not occur for 60 days intensity under sealed maintenance.Test section backfills data display, is tested using light-duty feeler inspection
Its bearing capacity, 1 day bearing capacity can reach 440-450Mpa, and 3 days bearing capacities can reach 710-730Mpa, and bearing capacity can reach within 7 days
850-900Mpa, light-duty feeler inspection can not be measured and (exceed light-duty feeler inspection test scope) at 30 days.
High intensity backfilling material based on building waste prepared by the present invention can be uniformly densely filled in construction
Backfill in groove, will not leave behind hole, and intensity is high, is less prone to cracking, sagging situation, it is ensured that the service life on road surface；
High intensity backfilling material based on building waste prepared by the present invention becomes useless using building waste and gangue these obsolete materials
For treasured, the problem of obsolete material accumulation is brought not only is solved, and reduces the consumption of sand material, meets environmental protection
Development trend, with important market value and social value.
The better embodiment to the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
, can also be on the premise of present inventive concept not be departed from formula, the knowledge that one skilled in the relevant art possesses
Various changes can be made.
Claims (6)
1. a kind of high intensity backfilling material based on building waste, it is characterised in that be made up of the raw material below according to parts by weight：
140-150 parts of building waste, 30-35 parts of cement, 2-5 parts of triisopropanolamine, 3-6 parts of silicon ash, 42-46 parts of gangue, polyethylene
1-2 parts of alcohol, 2-3 parts of sodium metasilicate.
2. the high intensity backfilling material according to claim 1 based on building waste, it is characterised in that by below according to weight
The raw material of amount part is made：143-147 parts of building waste, 31-34 parts of cement, 3-4 parts of triisopropanolamine, 4-5 parts of silicon ash, gangue
43-45 parts, 1.2-1.8 parts of polyvinyl alcohol, 2.3-2.7 parts of sodium metasilicate.
3. the high intensity backfilling material according to claim 2 based on building waste, it is characterised in that by below according to weight
The raw material of amount part is made：It is 145 parts of building waste, 33 parts of cement, 3.5 parts of triisopropanolamine, 4.5 parts of silicon ash, 44 parts of gangue, poly-
1.5 parts of vinyl alcohol, 2.5 parts of sodium metasilicate.
4. the high intensity backfilling material according to claim 1 based on building waste, it is characterised in that the cement is general
Logical portland cement.
5. a kind of preparation method of high intensity backfilling material based on building waste as described in claim 1-4 is any, it is special
Levy and be, step is as follows：
1) sodium metasilicate is weighed, the water of 30-35 times of weight is added, after stirring, sodium silicate solution is obtained, it is standby；
2) building waste after sorting is weighed, after crushing, 30-50 mesh sieves is crossed, obtains construction waste powder；
3) construction waste powder after calcination processing 1-2h, calcination processing, is treated that construction waste powder is cooled at 520-530 DEG C
It is poured at 280-310 DEG C in sodium silicate solution, stirs 10-15min, obtains the first mixture；
4) polyvinyl alcohol is weighed, the water of 23-26 times of weight is added, stirring mixing 15-20min then heats to 90-95 DEG C, after
Continuous stirring 25-30min, obtains poly-vinyl alcohol solution, standby；
5) gangue is weighed, after crushing, 30-50 mesh sieves is crossed, obtains colliery powder；
6) colliery powder after calcination processing 1-2h, calcination processing, is treated that colliery powder is cooled to 200-230 at 450-460 DEG C
DEG C when, be poured into poly-vinyl alcohol solution, stir 20-30min, obtain the second mixture；
7) the first mixture and the second mixture are sent into ball mill, ball milling mixing 2-3h obtains the 3rd mixture；
8) the 3rd mixture is subjected to separation of solid and liquid, and solid will be obtained to be dried at 125-130 DEG C, obtain the 4th mixture；
9) the 4th mixture is well mixed with cement, triisopropanolamine and silicon ash, you can.
6. the preparation method of the high intensity backfilling material according to claim 5 based on building waste, it is characterised in that step
It is rapid 2) in, the building waste after the sorting, refer to by the waste plastics in building waste, culled wood and old metal cleaning sort out
Remaining building waste after coming.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180912A (en) * | 2022-07-15 | 2022-10-14 | 山东海林环保设备工程有限公司 | Method for preparing filling material based on coal-based solid waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180912A (en) * | 2022-07-15 | 2022-10-14 | 山东海林环保设备工程有限公司 | Method for preparing filling material based on coal-based solid waste |
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