CN104960086B - Production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry - Google Patents
Production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry Download PDFInfo
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- CN104960086B CN104960086B CN201510317683.8A CN201510317683A CN104960086B CN 104960086 B CN104960086 B CN 104960086B CN 201510317683 A CN201510317683 A CN 201510317683A CN 104960086 B CN104960086 B CN 104960086B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
- B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
- B28B21/30—Centrifugal moulding
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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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/16—Sulfur-containing compounds
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprise the following steps:Raw material is prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 380~420, flyash 80 120, sand 650 790, water 130 160, stone 1,050 1200, new polycarboxylic acid water reducer 8 15, exciting agent 5 20；Cloth, matched moulds and tensioning treatment；Low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；In lowspeed centrifugation step, rotating speed is 70 75r/min, and the time is 3 5min, the rotating speed of low-medium speed centrifugation is 120 140r/min, and the time is 1.5 2.5min, and the speed setting of medium-speed centrifuge is 230 250r/min, high speed centrifugation step, speed setting is 450 550r/min；Normal temperature is steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases.The present invention can greatly reduce remaining slurry amount, energy-conserving and environment-protective, while only needing normal pressure to steam oxygen process, further energy-saving and emission-reduction, the last present invention greatly reduces the cost of non-evaporating pressure pipe stake without solid microbeads raw material.
Description
Technical field
The invention belongs to pile tube production field, especially a kind of producer without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry
Method.
Background technology
Prestressed concrete pipe pile has the advantages that reliable in quality and economizes on resources, obtained in engineering construction widely
Using.But existing technique is also not reaching to preferable effect, in centrifugation, substantial amounts of remaining slurry can be produced, in these remaining slurries
Containing moisture and gel component, the quality of finished product pile tube can be influenceed.Meanwhile, existing production technology need by normal pressure it is steam-cured and
Two processes of high-pressure steaming and cultivating are, it is necessary to consume the substantial amounts of energy.Regarding to the issue above, technical staff is improved, for the former,
Existing main method is to add tackifier in the feed, and for the latter, existing unique method is to increase solid microbeads.This two
The subject matter of the method for kind is cost very high, it is difficult to popularization and application.
The content of the invention
Goal of the invention：A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry is provided, to overcome existing skill
The drawbacks described above that art is present.
Technical scheme：A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps:
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 380~420, fine coal
Grey 80-120, sand 650-790, water 130-160, stone 1050-1200, new polycarboxylic acid water reducer 8-15, exciting agent 5-20,
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；
In lowspeed centrifugation step, rotating speed is 70-75r/min, and the time is 3-5min, and the rotating speed of low-medium speed centrifugation is 120-
140r/min, the time is 1.5-2.5min, and the speed setting of medium-speed centrifuge is 230-250r/min, high speed centrifugation step, rotating speed
It is set as 450-550r/min；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively intensification
Stage 1-1.5h；Constant temperature stage 2.5-4h, temperature-fall period 1-1.5h；The temperature rise period temperature is raised to 85-90 DEG C from room temperature；Institute
The temperature for stating the constant temperature stage is maintained at 84-86 DEG C；
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, M
It is monovalent cation；
The exciting agent is made up of the raw material of following parts by weight：Diethylene glycol (DEG) 6-8, triethanolamine 0.2-0.5, diffusant
NNO0.6-1.2, expanded perlite 4-7, glauber salt 80-90, aluminum sulfate 5-6.5..
In a further embodiment, the cement is 52.5 class g cements.The flyash is II grades of flyash, loss on ignition
It is 4.22%, the screen over-size after 45 microns of square hole screens is 16.3%.The stone is the impact crushing hammer of 5-25mm, crush values
Index is 9.2%, and clay content is 0.4%, and apparent density is 2.72g/cm3.The sand is middle sand, and modulus of fineness is 2.9, containing mud
Amount 0.8%, clod content is 0.1%.The diethylene glycol (DEG) is technical grade, and more than content 85wt%, the triethanolamine is industry
Level, content is more than 85wt%, and the dispersing agent NNO is technical grade, content 100%.
The preparation process of the exciting agent is as follows：Diethylene glycol (DEG), triethanolamine, dispersing agent NNO are added in expanded perlite,
Stir, then the mixture of acquisition is added in glauber salt, stir, be eventually adding aluminum sulfate, stir
.
Beneficial effect：The present invention can greatly reduce remaining slurry amount, energy-conserving and environment-protective, while only needing normal pressure to steam oxygen process, enter one
Energy-saving and emission-reduction are walked, the last present invention greatly reduces the cost of non-evaporating pressure pipe stake, is easy to promote and answers without solid microbeads raw material
With.
Specific embodiment
Embodiment 1
A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps:
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 390, flyash 100,
Sand 790, water 133, stone 1142, new polycarboxylic acid water reducer 8, exciting agent 5；
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；
In lowspeed centrifugation step, rotating speed is 75r/min, and the time is 5min, and the rotating speed of low-medium speed centrifugation is 139r/min, when
Between be 1.5min, the speed setting of medium-speed centrifuge is 245r/min, and high speed centrifugation step, speed setting is 545r/min, time
It is 2min；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively intensification
Stage 1.2h；Constant temperature stage 3h, temperature-fall period 1.5h, the temperature rise period temperature is raised to 89 DEG C, the constant temperature stage from room temperature
Temperature be maintained at 84 DEG C, the temperature-fall period is down to room temperature；(due to temperature control system, the maximum temperature of temperature rise period
The generally higher than temperature in constant temperature stage)
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, M
It is monovalent cation；
The exciting agent is made up of the raw material of following parts by weight：The exciting agent by following parts by weight raw material group
Into：Diethylene glycol (DEG) 7.7, triethanolamine 0.4, dispersing agent NNO 0.73, expanded perlite 5.4, glauber salt 83, aluminum sulfate 6.2.
The cement is 52.5 class g cements.The flyash is II grades of flyash, and loss on ignition is 4.22%, 45 microns of square holes
Screen over-size after sieve is 16.3%.The stone is the impact crushing hammer of 5-25mm, and crush values index is 9.2%, clay content
It is 0.4%, apparent density is 2.72g/cm3.The sand is middle sand, and modulus of fineness is 2.9, clay content 0.8%, and clod content is
0.1%.The diethylene glycol (DEG) be technical grade, more than content 85wt%, the triethanolamine be technical grade, content be 85wt% with
On, the dispersing agent NNO is technical grade, content 100%.
The preparation process of the exciting agent is as follows：Diethylene glycol (DEG), triethanolamine, dispersing agent NNO are added in expanded perlite,
Stir, then the mixture of acquisition is added in glauber salt, stir, be eventually adding aluminum sulfate, stir
.
Embodiment 2
A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps:
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 404, flyash 112,
Sand 739, water 140, stone 1128, new polycarboxylic acid water reducer 13, exciting agent 15；
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；
In lowspeed centrifugation step, rotating speed is 70r/min, and the time is 5min, and the rotating speed of low-medium speed centrifugation is 125r/min, when
Between be 1.8min, the speed setting of medium-speed centrifuge is 250r/min, and high speed centrifugation step, speed setting is 459r/min, time
It is 1.9min；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively intensification
Stage 1.3h；Constant temperature stage 3.6h, temperature-fall period 1.3h, the temperature rise period temperature is raised to 88 DEG C, the constant temperature rank from room temperature
The temperature of section is maintained at 84.6 DEG C, and the temperature-fall period is down to room temperature；
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, M
It is monovalent cation；
The exciting agent is made up of the raw material of following parts by weight：Diethylene glycol (DEG) 7.2, triethanolamine 0.5, diffusant
NNO0.97, expanded perlite 4.4, glauber salt 90, aluminum sulfate 6.2.
The cement is 52.5 class g cements.The flyash is II grades of flyash, and loss on ignition is 4.22%, 45 microns of square holes
Screen over-size after sieve is 16.3%.The stone is the impact crushing hammer of 5-25mm, and crush values index is 9.2%, clay content
It is 0.4%, apparent density is 2.72g/cm3.The sand is middle sand, and modulus of fineness is 2.9, clay content 0.8%, and clod content is
0.1%.The diethylene glycol (DEG) be technical grade, more than content 85wt%, the triethanolamine be technical grade, content be 85wt% with
On, the dispersing agent NNO is technical grade, content 100%.
The preparation process of the exciting agent is as follows：Diethylene glycol (DEG), triethanolamine, dispersing agent NNO are added in expanded perlite,
Stir, then the mixture of acquisition is added in glauber salt, stir, be eventually adding aluminum sulfate, stir
.
Embodiment 3
A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps:
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 417, flyash 115,
Sand 670, water 140, stone 1150, new polycarboxylic acid water reducer 14, exciting agent 19；
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；
In lowspeed centrifugation step, rotating speed is 73r/min, and the time is 4min, and the rotating speed of low-medium speed centrifugation is 136r/min, when
Between be 2.4min, the speed setting of medium-speed centrifuge is 230r/min, and high speed centrifugation step, speed setting is 533r/min, time
It is 1.2min；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively intensification
Stage 1.2h；Constant temperature stage 2.5h, temperature-fall period 1h, the temperature rise period temperature is raised to 89 DEG C, the constant temperature stage from room temperature
Temperature be maintained at 84.5 DEG C, the temperature-fall period is down to room temperature；
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, M
It is monovalent cation；
The exciting agent is made up of the raw material of following parts by weight：Diethylene glycol (DEG) 7.2, triethanolamine 0.4, diffusant
NNO0.86, expanded perlite 6.7, glauber salt 85, aluminum sulfate 6.5.
The cement is 52.5 class g cements.The flyash is II grades of flyash, and loss on ignition is 4.22%, 45 microns of square holes
Screen over-size after sieve is 16.3%.The stone is the impact crushing hammer of 5-25mm, and crush values index is 9.2%, clay content
It is 0.4%, apparent density is 2.72g/cm3.The sand is middle sand, and modulus of fineness is 2.9, clay content 0.8%, and clod content is
0.1%.The diethylene glycol (DEG) be technical grade, more than content 85wt%, the triethanolamine be technical grade, content be 85wt% with
On, the dispersing agent NNO is technical grade, content 100%.
The preparation process of the exciting agent is as follows：Diethylene glycol (DEG), triethanolamine, dispersing agent NNO are added in expanded perlite,
Stir, then the mixture of acquisition is added in glauber salt, stir, be eventually adding aluminum sulfate, stir
.
Embodiment 4
A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps:
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 397, flyash 100,
Sand 722, water 133, stone 1122, new polycarboxylic acid water reducer 9, exciting agent 18；
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；
In lowspeed centrifugation step, rotating speed is 73r/min, and the time is 5min, and the rotating speed of low-medium speed centrifugation is 127r/min, when
Between be 1.6min, the speed setting of medium-speed centrifuge is 248r/min, and high speed centrifugation step, speed setting is 493r/min, time
It is 1.4min；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively intensification
Stage 1h；Constant temperature stage 4h, temperature-fall period 1.1h, the temperature rise period temperature is raised to 87 DEG C from room temperature, the constant temperature stage
Temperature is maintained at 86 DEG C, and the temperature-fall period is down to room temperature；
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, M
It is monovalent cation；
The exciting agent is made up of the raw material of following parts by weight：Diethylene glycol (DEG) 6.4, triethanolamine 0.2, diffusant
NNO0.94, expanded perlite 4.1, glauber salt 87, aluminum sulfate 5.7.
The cement is 52.5 class g cements.The flyash is II grades of flyash, and loss on ignition is 4.22%, 45 microns of square holes
Screen over-size after sieve is 16.3%.The stone is the impact crushing hammer of 5-25mm, and crush values index is 9.2%, clay content
It is 0.4%, apparent density is 2.72g/cm3.The sand is middle sand, and modulus of fineness is 2.9, clay content 0.8%, and clod content is
0.1%.The diethylene glycol (DEG) be technical grade, more than content 85wt%, the triethanolamine be technical grade, content be 85wt% with
On, the dispersing agent NNO is technical grade, content 100%.
The preparation process of the exciting agent is as follows：Diethylene glycol (DEG), triethanolamine, dispersing agent NNO are added in expanded perlite,
Stir, then the mixture of acquisition is added in glauber salt, stir, be eventually adding aluminum sulfate, stir
.
Embodiment 5
A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps:
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 411, flyash 89,
Sand 788, water 132, stone 1088, new polycarboxylic acid water reducer 10, exciting agent 17；
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；
Normal temperature is steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively the temperature rise period
1h；Constant temperature stage 2.9h, temperature-fall period 1.3h, the temperature rise period temperature is raised to 90 DEG C, the temperature in the constant temperature stage from room temperature
Degree is maintained at 85.2 DEG C, and the temperature-fall period is down to room temperature；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively intensification
Stage 1-1.5h；Constant temperature stage 2.5-4h, temperature-fall period 1-1.5h；The temperature rise period temperature is raised to 85-90 DEG C from room temperature；Institute
The temperature for stating the constant temperature stage is maintained at 84-86 DEG C；
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, M
It is monovalent cation；
The exciting agent is made up of the raw material of following parts by weight：Diethylene glycol (DEG) 7.6, triethanolamine 0.2, diffusant
NNO1.2, expanded perlite 6.7, glauber salt 81, aluminum sulfate 5.
The cement is 52.5 class g cements.The flyash is II grades of flyash, and loss on ignition is 4.22%, 45 microns of square holes
Screen over-size after sieve is 16.3%.The stone is the impact crushing hammer of 5-25mm, and crush values index is 9.2%, clay content
It is 0.4%, apparent density is 2.72g/cm3.The sand is middle sand, and modulus of fineness is 2.9, clay content 0.8%, and clod content is
0.1%.The diethylene glycol (DEG) be technical grade, more than content 85wt%, the triethanolamine be technical grade, content be 85wt% with
On, the dispersing agent NNO is technical grade, content 100%.
The preparation process of the exciting agent is as follows：Diethylene glycol (DEG), triethanolamine, dispersing agent NNO are added in expanded perlite,
Stir, then the mixture of acquisition is added in glauber salt, stir, be eventually adding aluminum sulfate, stir
.
Embodiment 6
A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps:
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 390, flyash 99,
Sand 676, water 137, stone 1198, new polycarboxylic acid water reducer 14, exciting agent 19；
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；
In lowspeed centrifugation step, rotating speed is 71r/min, and the time is 5min, and the rotating speed of low-medium speed centrifugation is 133r/min, when
Between be 1.9min, the speed setting of medium-speed centrifuge is 244r/min, and high speed centrifugation step, speed setting is 532r/min, time
It is 1.3min；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively intensification
Stage 1h；Constant temperature stage 4h, temperature-fall period 1.2h, the temperature rise period temperature is raised to 88 DEG C from room temperature, the constant temperature stage
Temperature is maintained at 84.5 DEG C, and the temperature-fall period is down to room temperature；
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, M
It is monovalent cation；
The exciting agent is made up of the raw material of following parts by weight：Diethylene glycol (DEG) 6.9, triethanolamine 0.4, dispersing agent NNO 1,
Expanded perlite 6.1, glauber salt 90, aluminum sulfate 6.4.
The cement is 52.5 class g cements.The flyash is II grades of flyash, and loss on ignition is 4.22%, 45 microns of square holes
Screen over-size after sieve is 16.3%.The stone is the impact crushing hammer of 5-25mm, and crush values index is 9.2%, clay content
It is 0.4%, apparent density is 2.72g/cm3.The sand is middle sand, and modulus of fineness is 2.9, clay content 0.8%, and clod content is
0.1%.The diethylene glycol (DEG) be technical grade, more than content 85wt%, the triethanolamine be technical grade, content be 85wt% with
On, the dispersing agent NNO is technical grade, content 100%.
The preparation process of the exciting agent is as follows：Diethylene glycol (DEG), triethanolamine, dispersing agent NNO are added in expanded perlite,
Stir, then the mixture of acquisition is added in glauber salt, stir, be eventually adding aluminum sulfate, stir
.
Embodiment 7
A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps:
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 391, flyash 102,
Sand 736, water 141, stone 1173, new polycarboxylic acid water reducer 15, exciting agent 7；
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；
In lowspeed centrifugation step, rotating speed is 72r/min, and the time is 4min, and the rotating speed of low-medium speed centrifugation is 127r/min, when
Between be 2min, the speed setting of medium-speed centrifuge is 237r/min, and high speed centrifugation step, speed setting is 506r/min, and the time is
2.4min；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively intensification
Stage 1.4h；Constant temperature stage 3.4h, temperature-fall period 1.3h, the temperature rise period temperature is raised to 90 DEG C, the constant temperature rank from room temperature
The temperature of section is maintained at 85.7 DEG C, and the temperature-fall period is down to room temperature；
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, M
It is monovalent cation；
The exciting agent is made up of the raw material of following parts by weight：Diethylene glycol (DEG) 6.6, triethanolamine 0.5, diffusant
NNO1.14, expanded perlite 6.1, glauber salt 82, aluminum sulfate 6.5.
The cement is 52.5 class g cements.The flyash is II grades of flyash, and loss on ignition is 4.22%, 45 microns of square holes
Screen over-size after sieve is 16.3%.The stone is the impact crushing hammer of 5-25mm, and crush values index is 9.2%, clay content
It is 0.4%, apparent density is 2.72g/cm3.The sand is middle sand, and modulus of fineness is 2.9, clay content 0.8%, and clod content is
0.1%.The diethylene glycol (DEG) be technical grade, more than content 85wt%, the triethanolamine be technical grade, content be 85wt% with
On, the dispersing agent NNO is technical grade, content 100%.
The preparation process of the exciting agent is as follows：Diethylene glycol (DEG), triethanolamine, dispersing agent NNO are added in expanded perlite,
Stir, then the mixture of acquisition is added in glauber salt, stir, be eventually adding aluminum sulfate, stir
.
Embodiment 8
A kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps:
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 410, flyash 85,
Sand 695, water 151, stone 1182, new polycarboxylic acid water reducer 12, exciting agent 11；
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；
Normal temperature is steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively the temperature rise period
1.5h；Constant temperature stage 3.6h, temperature-fall period 1.5h, the temperature rise period temperature is raised to 85 DEG C from room temperature, the constant temperature stage
Temperature is maintained at 84.9 DEG C, and the temperature-fall period is down to room temperature；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively intensification
Stage 1-1.5h；Constant temperature stage 2.5-4h, temperature-fall period 1-1.5h；The temperature rise period temperature is raised to 85-90 DEG C from room temperature；Institute
The temperature for stating the constant temperature stage is maintained at 84-86 DEG C；
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, M
It is monovalent cation；
The exciting agent is made up of the raw material of following parts by weight：Diethylene glycol (DEG) 8, triethanolamine 0.4, dispersing agent NNO 0.81,
Expanded perlite 5.8, glauber salt 83, aluminum sulfate 5.9.
The cement is 52.5 class g cements.The flyash is II grades of flyash, and loss on ignition is 4.22%, 45 microns of square holes
Screen over-size after sieve is 16.3%.The stone is the impact crushing hammer of 5-25mm, and crush values index is 9.2%, clay content
It is 0.4%, apparent density is 2.72g/cm3.The sand is middle sand, and modulus of fineness is 2.9, clay content 0.8%, and clod content is
0.1%.The diethylene glycol (DEG) be technical grade, more than content 85wt%, the triethanolamine be technical grade, content be 85wt% with
On, the dispersing agent NNO is technical grade, content 100%.
The preparation process of the exciting agent is as follows：Diethylene glycol (DEG), triethanolamine, dispersing agent NNO are added in expanded perlite,
Stir, then the mixture of acquisition is added in glauber salt, stir, be eventually adding aluminum sulfate, stir
.
By above-mentioned sample censorship, product quality meets the relevant regulations of GB 13476-2009, and the intensity of 7d, 28d exceeds
Existing standard.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned implementation method
Detail, in range of the technology design of the invention, various equivalents can be carried out to technical scheme, this
A little equivalents belong to protection scope of the present invention.It is further to note that described in above-mentioned specific embodiment
Each particular technique feature, in the case of reconcilable, can be combined by any suitable means.In order to avoid not
Necessary repetition, the present invention is no longer separately illustrated to various possible combinations.Additionally, a variety of implementations of the invention
Can also be combined between mode, as long as it is without prejudice to thought of the invention, it is public that it should equally be considered as institute of the invention
The content opened.
Claims (1)
1. a kind of production method without the non-evaporating pressure prestressed concrete pipe pile of remaining slurry, comprises the following steps：
Step 1, raw material are prepared, and in terms of parts by weight, the raw material is composed of the following components：Cement 417, flyash 115, sand
670, water 140, stone 1150, new polycarboxylic acid water reducer 14, exciting agent 19；
Step 2, cloth, matched moulds and tensioning treatment；
Step 3, low speed, low-medium speed, middling speed and high speed centrifugation step are carried out successively；In lowspeed centrifugation step, rotating speed is 73r/
Min, the time is 4min, and the rotating speed of low-medium speed centrifugation is 136r/min, and the time is 2.4min, and the speed setting of medium-speed centrifuge is
230r/min, high speed centrifugation step, speed setting is 533r/min, and the time is 1.2min；
Step 4, normal temperature are steam-cured, and the normal temperature is steam-cured including intensification, constant temperature and cooling three phases, and the time is respectively the temperature rise period
1.2h；Constant temperature stage 2.5h, temperature-fall period 1h, the temperature rise period temperature is raised to 89 DEG C, the temperature in the constant temperature stage from room temperature
Degree is maintained at 84.5 DEG C, and the temperature-fall period is down to room temperature；
The structural formula of the new polycarboxylic acid water reducer is as follows：
Wherein, R1、R2、R3、R4And R5It is selected from H or CH3, n is that 25~40, m is 35~55, and a, b, c and d are positive integer, and M is one
Valency cation；
The exciting agent is made up of the raw material of following parts by weight：Diethylene glycol (DEG) 7.2, triethanolamine 0.4, it is dispersing agent NNO 0.86, swollen
Swollen perlite 6.7, glauber salt 85, aluminum sulfate 6.5；
The cement is 52.5 class g cements；The flyash is II grades of flyash, and loss on ignition is 4.22%, after 45 microns of square hole screens
Screen over-size be 16.3%；The stone is the impact crushing hammer of 5-25mm, and crush values index is 9.2%, and clay content is
0.4%, apparent density is 2.72g/cm3；The sand is middle sand, and modulus of fineness is 2.9, clay content 0.8%, and clod content is
0.1%；The diethylene glycol (DEG) be technical grade, more than content 85wt%, the triethanolamine be technical grade, content be 85wt% with
On, the dispersing agent NNO is technical grade, content 100%；The preparation process of the exciting agent is as follows：By diethylene glycol (DEG), three ethanol
Amine, dispersing agent NNO is added in expanded perlite, is stirred, then the mixture of acquisition is added in glauber salt, is stirred
Uniformly, aluminum sulfate is eventually adding, is stirred.
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| CN105384408B (en) * | 2015-12-08 | 2017-10-24 | 嘉华特种水泥股份有限公司 | It is a kind of to exempt from the production method that pressure steams C80 concrete-piles without remaining slurry |
| CN112500109B (en) * | 2020-12-12 | 2022-11-15 | 湖州三中新型建材科技有限公司 | Concrete for non-autoclaved PHC (prestressed high strength concrete) pipe pile and production process of non-autoclaved PHC pipe pile |
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| CN1411965A (en) * | 2002-11-15 | 2003-04-23 | 蒋元海 | Technological process for producing centrifugal concrete product by utilizing flyash |
| CN100357214C (en) * | 2006-01-19 | 2007-12-26 | 徐福明 | Slag cement excitation reinforcement agent and preparation thereof |
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