CN103880352A - Preparation method of high-performance tubular pile - Google Patents
Preparation method of high-performance tubular pile Download PDFInfo
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- CN103880352A CN103880352A CN201410052836.6A CN201410052836A CN103880352A CN 103880352 A CN103880352 A CN 103880352A CN 201410052836 A CN201410052836 A CN 201410052836A CN 103880352 A CN103880352 A CN 103880352A
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Abstract
The invention discloses a preparation method of a high-performance tubular pile. The preparation method is characterized by comprising the following steps: weighing 423g of cement, 27g of concrete composite additive, 650g of sand, 1100g of stone, 225ml of water, 4g of polypropylene fiber and 3g of naphthalene water reducer which are used as raw materials; and firstly putting the cement, the concrete composite additive and 100ml of water into a concrete mixer, stirring for 2 minutes, then adding the sand, the stone, the polypropylene fiber, the naphthalene water reducer and 125ml of water, and continuously stirring for 2 minutes, thus obtaining concrete. The high-performance tubular pile has the advantages that the raw materials are easy to purchase, the production technology is simple, the product is easy to produce and convenient in a using process and can be uniformly used, the production stability is satisfied, and the quality of the prepared high-performance tubular pile is ensured.
Description
Technical field
The preparation method who the present invention relates to a kind of high-performance pile tube, belongs to building material manufacture field.
Background technology
The raw-material volume of volume ratio of the crystalline compound forming due to the reaction of water and cement is little, therefore causes the contraction of volume of concrete.In morning, the mid-term of sclerosis, again because the evaporation of free water in concrete causes drying shrinkage, temperature variation etc., this series of problem causes concrete easy to crack.Cement expansive material is a kind of mineral additive, has the effect of anti-crack and anti-seepage, and it generates ettringite, calcium hydroxide and magnesium hydroxide through hydration reaction after mixing and stirring with cement, water in concrete mixing process, makes concrete produce volumetric expansion.Be called expansive concrete with the concrete of its preparation, application is very extensive at home at present, has played positive effect to improving the quality of concrete construction.Use cement expansive material can prepare expansive concrete, fill concrete, filling mortar, self-stressing concrete and water-proof concrete.At China's swelling agent by a large number for expansive concrete, expansive concrete is to produce volumetric expansion by expansion component and hydrolysis product of cement reaction, by expansion energy to restraint work done, the restriction contraction that the effects such as the confined expansion producing offsets that concrete is dry, cooling and load cause, generally under used arrangement of reinforcement condition, can make inside concrete set up the stress of 0.2-0.7MPa, be mainly that dry shrinkage is compensated.The key distinction of expansive concrete and normal concrete is: due to the effect of confined expansion, improved concrete stressed condition 1.; 2. diminish because the filling effect of swelling property crystal makes the macropore in Behavior of Hardened Cement Paste, overall porosity declines, and has improved concrete pore structure, thereby has improved concrete impermeability, and it has the crack resistance that general water-proof concrete cannot be compared.
We find a kind of for concrete additive in test of long duration and practice, and concrete additive of the present invention shows excellent in the aspects such as intensity, toughness, stability, is specially adapted to road, bridge.And by adding this concrete additive, make the effect that concrete surface is smooth, have obvious brightness.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of preparation method of the high-performance pile tube with functions such as high strength, high-tenacity, high stabilities is provided.
For achieving the above object, the technical solution used in the present invention is as follows:
A preparation method for high-performance pile tube, is characterized in that:
Take raw material: cement 423g, concrete composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, concrete composite additive and 100 ml water are put into concrete mixer and stirred 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water to continue to stir 2 minutes, after stirring, obtain concrete; Above-mentioned concrete casting is injected to pipe pile die, and tension reinforcing steel bar, obtains prestress, and then centrifugal forming, obtains prestressed concrete pipe pile; The prestressed concrete pipe pile of centrifugal forming is put into the maintenance of steam curing pond, steam curing is for the first time warming up to 100 ℃ for 4 hours, is incubated 8 hours, and quiet putting is cooled to room temperature, steam curing is for the second time warming up to 80 ℃ for 3 hours, be incubated 10 hours, quiet putting is cooled to room temperature, and steam curing is for the third time warming up to 60 ℃ for 2 hours, be incubated 14 hours, quiet putting is cooled to room temperature, obtains high-performance pile tube
Described concrete composite additive preparation method step is:
Step (1): according to alunite 50-55 part, dickite 20-25 part, zeolite powder 20-25 part, montmorillonite 10-15 part, sodium bentonite 20-25 part, flyash 25-30 part, Calcium Fluoride (Fluorspan) 15-20 part, sucrose 5-10 part, polyvinyl alcohol 3-4 part, methylcellulose gum 3-4 part, sodium carbonate 1-3 part, gypsum 2-4 part, water glass 2-3 part, aluminium powder 1-2 part, grey calcium powder 1-3 part, borax 2-3 part, magnesium hydroxide 2-4 part proportioning (weight) is prepared raw material
Step (2): alunite 50-55 part, dickite 20-25 part, zeolite powder 20-25 part, montmorillonite 10-15 part are carried out to grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is heated 700 ℃ of Heating temperatures, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): sodium bentonite 20-25 part, flyash 25-30 part, Calcium Fluoride (Fluorspan) 15-20 part are carried out to grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtain compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated 750 ℃ of Heating temperatures, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 1 hour, pour afterwards sucrose 5-10 part, polyvinyl alcohol 3-4 part, methylcellulose gum 3-4 part, sodium carbonate 1-3 part into, gypsum 2-4 part, water glass 2-3 part, aluminium powder 1-2 part, grey calcium powder 1-3 part, borax 2-3 part, magnesium hydroxide 2-4 part, then mechanically mixing 1 hour, obtain concrete composite additive.
As preferably, the preparation method of described high-performance pile tube, described concrete composite additive raw material is: 50 parts of alunites, 20 parts of dickites, 20 parts of zeolite powders, 10 parts of montmorillonites, 20 parts of sodium bentonites, 25 parts, flyash, 15 parts, Calcium Fluoride (Fluorspan), 5 parts of sucrose, 3 parts of polyvinyl alcohol, 3 parts of methylcellulose gum, 1 part, sodium carbonate, 2 parts, gypsum, 2 parts of water glass, 1 part of aluminium powder, 1 part of grey calcium powder, 2 parts of boraxs, 2 parts of magnesium hydroxides.
As preferably, the preparation method of described high-performance pile tube, described concrete composite additive raw material is: 55 parts of alunites, 25 parts of dickites, 25 parts of zeolite powders, 15 parts of montmorillonites, 25 parts of sodium bentonites, 30 parts, flyash, 20 parts, Calcium Fluoride (Fluorspan), 10 parts of sucrose, 4 parts of polyvinyl alcohol, 4 parts of methylcellulose gum, 3 parts, sodium carbonate, 4 parts, gypsum, 3 parts of water glass, 2 parts of aluminium powders, 3 parts of grey calcium powders, 3 parts of boraxs, 4 parts of magnesium hydroxides.
As preferably, the preparation method of described high-performance pile tube, described concrete composite additive raw material is: 53 parts of alunites, 23 parts of dickites, 23 parts of zeolite powders, 13 parts of montmorillonites, 23 parts of sodium bentonites, 27 parts, flyash, 17 parts, Calcium Fluoride (Fluorspan), 7 parts of sucrose, 3.5 parts of polyvinyl alcohol, 3.5 parts of methylcellulose gum, 2 parts, sodium carbonate, 3 parts, gypsum, 2.5 parts of water glass, 1.5 parts of aluminium powders, 2 parts of grey calcium powders, 2.5 parts of boraxs, 3 parts of magnesium hydroxides.
As preferably, the preparation method of described high-performance pile tube, described concrete composite additive raw material is: 54 parts of alunites, 24 parts of dickites, 24 parts of zeolite powders, 14 parts of montmorillonites, 24 parts of sodium bentonites, 28 parts, flyash, 18 parts, Calcium Fluoride (Fluorspan), 8 parts of sucrose, 3.5 parts of polyvinyl alcohol, 3.5 parts of methylcellulose gum, 1.5 parts, sodium carbonate, 2.5 parts, gypsum, 2.5 parts of water glass, 1.5 parts of aluminium powders, 1.5 parts of grey calcium powders, 2.5 parts of boraxs, 2.5 parts of magnesium hydroxides.
As preferably, the preparation method of described high-performance pile tube, it is 0.9mm that step (2) obtains mixture A granularity size.
As preferably, the preparation method of described high-performance pile tube, it is 0.4mm that step (3) obtains mixture B granularity size.
As preferably, the preparation method of described high-performance pile tube, sodium bentonite composition is (weight): 77.3%SiO
2, 8.5%Al
2o
3, 1.9%Fe
2o
3, 1.1%CaO, 4%MgO, 3.8%Na
2o, 3.4% loss on ignition.
As preferably, the preparation method of described high-performance pile tube, dickite composition is (weight): 61.1%SiO
2, 31.3%Al
2o
3, 1.2%Fe
2o
3, 1.1%CaO, 0.5%MgO, 4.8% loss on ignition.
As preferably, the preparation method of described high-performance pile tube, zeolite component is (weight): 65.5%SiO
2, 14.7%Al
2o
3, 3.6%FeO, 6.5%Fe
2o
3, 2.7%CaO, 2.8%MgO, 0.5%TiO
2, 0.3%K
2o, 0.2%MnO, 3.2% loss on ignition.
Compared with prior art, the present invention has following beneficial effect:
1, the preparation of benchmark sample: adopt cement 450g, sand 650g, stone 1100 g, polypropylene fibre 4g, naphthalene water reducer 3g, water consumption 225ml, makes pile tube, after carry out three maintenances.
2, the preparation of test sample: adopt cement 423g, the concrete composite additive 27g preparing, sand 650g, stone 1100 g, polypropylene fibre 4g, naphthalene water reducer 3g, water consumption 225ml, makes pile tube, after carry out three maintenances.
Be to have improved 4.5MPa at early age strength of concrete when cement consumption is 6 ﹪ in alternative concrete by the concrete composite additive making volume in concrete; Later strength improves 5.6MPa.Concrete tubular pile starting material of the present invention are easily purchased, and production technique is uncomplicated, are simply easy to produce product, in use procedure, conveniently also can evenly use, and meet the stability of producing, and guarantee the quality of production concrete tubular pile.
Embodiment
Embodiment 1
A preparation method for high-performance pile tube, is characterized in that:
Take raw material: cement 423g, concrete composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, concrete composite additive and 100 ml water are put into concrete mixer and stirred 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water to continue to stir 2 minutes, after stirring, obtain concrete; Above-mentioned concrete casting is injected to pipe pile die, and tension reinforcing steel bar, obtains prestress, and then centrifugal forming, obtains prestressed concrete pipe pile; The prestressed concrete pipe pile of centrifugal forming is put into the maintenance of steam curing pond, steam curing is for the first time warming up to 100 ℃ for 4 hours, is incubated 8 hours, and quiet putting is cooled to room temperature, steam curing is for the second time warming up to 80 ℃ for 3 hours, be incubated 10 hours, quiet putting is cooled to room temperature, and steam curing is for the third time warming up to 60 ℃ for 2 hours, be incubated 14 hours, quiet putting is cooled to room temperature, obtains high-performance pile tube
Described concrete composite additive preparation method step is:
Step (1): according to 50 parts of alunites, 20 parts of dickites, 20 parts of zeolite powders, 10 parts of montmorillonites, 20 parts of sodium bentonites, 25 parts, flyash, 15 parts, Calcium Fluoride (Fluorspan), 5 parts of sucrose, 3 parts of polyvinyl alcohol, 3 parts of methylcellulose gum, 1 part, sodium carbonate, 2 parts, gypsum, 2 parts of water glass, 1 part of aluminium powder, 1 part of grey calcium powder, 2 parts of boraxs, 2 parts of proportionings of magnesium hydroxide are prepared raw material
Step (2): 10 parts of 50 parts of alunites, 20 parts of dickites, 20 parts of zeolite powders, montmorillonite are carried out to grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is heated 700 ℃ of Heating temperatures, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): 15 parts of 20 parts of sodium bentonites, 25 parts, flyash, Calcium Fluoride (Fluorspan) are carried out to grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtain compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated 750 ℃ of Heating temperatures, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 1 hour, pour afterwards 5 parts of sucrose, 3 parts of polyvinyl alcohol, 3 parts of methylcellulose gum, 1 part, sodium carbonate into, 2 parts, gypsum, 2 parts of water glass, 1 part of aluminium powder, 1 part of grey calcium powder, 2 parts of boraxs, 2 parts of magnesium hydroxides, then mechanically mixing 1 hour, obtain concrete composite additive.
Embodiment 2
A preparation method for high-performance pile tube, is characterized in that:
Take raw material: cement 423g, concrete composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, concrete composite additive and 100 ml water are put into concrete mixer and stirred 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water to continue to stir 2 minutes, after stirring, obtain concrete; Above-mentioned concrete casting is injected to pipe pile die, and tension reinforcing steel bar, obtains prestress, and then centrifugal forming, obtains prestressed concrete pipe pile; The prestressed concrete pipe pile of centrifugal forming is put into the maintenance of steam curing pond, steam curing is for the first time warming up to 100 ℃ for 4 hours, is incubated 8 hours, and quiet putting is cooled to room temperature, steam curing is for the second time warming up to 80 ℃ for 3 hours, be incubated 10 hours, quiet putting is cooled to room temperature, and steam curing is for the third time warming up to 60 ℃ for 2 hours, be incubated 14 hours, quiet putting is cooled to room temperature, obtains high-performance pile tube
Described concrete composite additive preparation method step is:
Step (1): according to 55 parts of alunites, 25 parts of dickites, 25 parts of zeolite powders, 15 parts of montmorillonites, 25 parts of sodium bentonites, 30 parts, flyash, 20 parts, Calcium Fluoride (Fluorspan), 10 parts of sucrose, 4 parts of polyvinyl alcohol, 4 parts of methylcellulose gum, 3 parts, sodium carbonate, 4 parts, gypsum, 3 parts of water glass, 2 parts of aluminium powders, 3 parts of grey calcium powders, 3 parts of boraxs, 4 parts of proportionings of magnesium hydroxide are prepared raw material
Step (2): 15 parts of 55 parts of alunites, 25 parts of dickites, 25 parts of zeolite powders, montmorillonite are carried out to grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is heated 700 ℃ of Heating temperatures, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): 20 parts of 25 parts of sodium bentonites, 30 parts, flyash, Calcium Fluoride (Fluorspan) are carried out to grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtain compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated 750 ℃ of Heating temperatures, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 1 hour, pour afterwards 10 parts of sucrose, 4 parts of polyvinyl alcohol, 4 parts of methylcellulose gum, 3 parts, sodium carbonate into, 4 parts, gypsum, 3 parts of water glass, 2 parts of aluminium powders, 3 parts of grey calcium powders, 3 parts of boraxs, 4 parts of magnesium hydroxides, then mechanically mixing 1 hour, obtain concrete composite additive.
Embodiment 3
A preparation method for high-performance pile tube, is characterized in that:
Take raw material: cement 423g, concrete composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, concrete composite additive and 100 ml water are put into concrete mixer and stirred 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water to continue to stir 2 minutes, after stirring, obtain concrete; Above-mentioned concrete casting is injected to pipe pile die, and tension reinforcing steel bar, obtains prestress, and then centrifugal forming, obtains prestressed concrete pipe pile; The prestressed concrete pipe pile of centrifugal forming is put into the maintenance of steam curing pond, steam curing is for the first time warming up to 100 ℃ for 4 hours, is incubated 8 hours, and quiet putting is cooled to room temperature, steam curing is for the second time warming up to 80 ℃ for 3 hours, be incubated 10 hours, quiet putting is cooled to room temperature, and steam curing is for the third time warming up to 60 ℃ for 2 hours, be incubated 14 hours, quiet putting is cooled to room temperature, obtains high-performance pile tube
Described concrete composite additive preparation method step is:
Step (1): according to 53 parts of alunites, 23 parts of dickites, 23 parts of zeolite powders, 13 parts of montmorillonites, 23 parts of sodium bentonites, 27 parts, flyash, 17 parts, Calcium Fluoride (Fluorspan), 7 parts of sucrose, 3.5 parts of polyvinyl alcohol, 3.5 parts of methylcellulose gum, 2 parts, sodium carbonate, 3 parts, gypsum, 2.5 parts of water glass, 1.5 parts of aluminium powders, 2 parts of grey calcium powders, 2.5 parts of boraxs, 3 parts of proportionings of magnesium hydroxide are prepared raw material
Step (2): 13 parts of 53 parts of alunites, 23 parts of dickites, 23 parts of zeolite powders, montmorillonite are carried out to grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is heated 700 ℃ of Heating temperatures, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): 17 parts of 23 parts of sodium bentonites, 27 parts, flyash, Calcium Fluoride (Fluorspan) are carried out to grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtain compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated 750 ℃ of Heating temperatures, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 1 hour, pour afterwards 7 parts of sucrose, 3.5 parts of polyvinyl alcohol, 3.5 parts of methylcellulose gum, 2 parts, sodium carbonate into, 3 parts, gypsum, 2.5 parts of water glass, 1.5 parts of aluminium powders, 2 parts of grey calcium powders, 2.5 parts of boraxs, 3 parts of magnesium hydroxides, then mechanically mixing 1 hour, obtain concrete composite additive.
Embodiment 4
A preparation method for high-performance pile tube, is characterized in that:
Take raw material: cement 423g, concrete composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, concrete composite additive and 100 ml water are put into concrete mixer and stirred 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water to continue to stir 2 minutes, after stirring, obtain concrete; Above-mentioned concrete casting is injected to pipe pile die, and tension reinforcing steel bar, obtains prestress, and then centrifugal forming, obtains prestressed concrete pipe pile; The prestressed concrete pipe pile of centrifugal forming is put into the maintenance of steam curing pond, steam curing is for the first time warming up to 100 ℃ for 4 hours, is incubated 8 hours, and quiet putting is cooled to room temperature, steam curing is for the second time warming up to 80 ℃ for 3 hours, be incubated 10 hours, quiet putting is cooled to room temperature, and steam curing is for the third time warming up to 60 ℃ for 2 hours, be incubated 14 hours, quiet putting is cooled to room temperature, obtains high-performance pile tube
Described concrete composite additive preparation method step is:
Step (1): according to 54 parts of alunites, 24 parts of dickites, 24 parts of zeolite powders, 14 parts of montmorillonites, 24 parts of sodium bentonites, 28 parts, flyash, 18 parts, Calcium Fluoride (Fluorspan), 8 parts of sucrose, 3.5 parts of polyvinyl alcohol, 3.5 parts of methylcellulose gum, 1.5 parts, sodium carbonate, 2.5 parts, gypsum, 2.5 parts of water glass, 1.5 parts of aluminium powders, 1.5 parts of grey calcium powders, 2.5 parts of boraxs, 2.5 parts of proportionings of magnesium hydroxide are prepared raw material
Step (2): 14 parts of 54 parts of alunites, 24 parts of dickites, 24 parts of zeolite powders, montmorillonite are carried out to grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is heated 700 ℃ of Heating temperatures, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): 18 parts of 24 parts of sodium bentonites, 28 parts, flyash, Calcium Fluoride (Fluorspan) are carried out to grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtain compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated 750 ℃ of Heating temperatures, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 1 hour, pour afterwards 8 parts of sucrose, 3.5 parts of polyvinyl alcohol, 3.5 parts of methylcellulose gum, 1.5 parts, sodium carbonate into, 2.5 parts, gypsum, 2.5 parts of water glass, 1.5 parts of aluminium powders, 1.5 parts of grey calcium powders, 2.5 parts of boraxs, 2.5 parts of magnesium hydroxides, then mechanically mixing 1 hour, obtain concrete composite additive.
Embodiment 5
A preparation method for high-performance pile tube, is characterized in that:
Take raw material: cement 423g, concrete composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, concrete composite additive and 100 ml water are put into concrete mixer and stirred 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water to continue to stir 2 minutes, after stirring, obtain concrete; Above-mentioned concrete casting is injected to pipe pile die, and tension reinforcing steel bar, obtains prestress, and then centrifugal forming, obtains prestressed concrete pipe pile; The prestressed concrete pipe pile of centrifugal forming is put into the maintenance of steam curing pond, steam curing is for the first time warming up to 100 ℃ for 4 hours, is incubated 8 hours, and quiet putting is cooled to room temperature, steam curing is for the second time warming up to 80 ℃ for 3 hours, be incubated 10 hours, quiet putting is cooled to room temperature, and steam curing is for the third time warming up to 60 ℃ for 2 hours, be incubated 14 hours, quiet putting is cooled to room temperature, obtains high-performance pile tube
Described concrete composite additive preparation method step is:
Step (1): according to 52 parts of alunites, 22 parts of dickites, 22 parts of zeolite powders, 12 parts of montmorillonites, 22 parts of sodium bentonites, 26 parts, flyash, 16 parts, Calcium Fluoride (Fluorspan), 6 parts of sucrose, 3.3 parts of polyvinyl alcohol, 3.3 parts of methylcellulose gum, 1.3 parts, sodium carbonate, 2.3 parts, gypsum, 2.3 parts of water glass, 1.3 parts of aluminium powders, 1.3 parts of grey calcium powders, 2.3 parts of boraxs, 2.3 parts of proportionings of magnesium hydroxide are prepared raw material
Step (2): 12 parts of 52 parts of alunites, 22 parts of dickites, 22 parts of zeolite powders, montmorillonite are carried out to grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is heated 700 ℃ of Heating temperatures, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): 16 parts of 22 parts of sodium bentonites, 26 parts, flyash, Calcium Fluoride (Fluorspan) are carried out to grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtain compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated 750 ℃ of Heating temperatures, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 1 hour, pour afterwards 6 parts of sucrose, 3.3 parts of polyvinyl alcohol, 3.3 parts of methylcellulose gum, 1.3 parts, sodium carbonate into, 2.3 parts, gypsum, 2.3 parts of water glass, 1.3 parts of aluminium powders, 1.3 parts of grey calcium powders, 2.3 parts of boraxs, 2.3 parts of magnesium hydroxides, then mechanically mixing 1 hour, obtain concrete composite additive.
Claims (10)
1. a preparation method for high-performance pile tube, is characterized in that:
Take raw material: cement 423g, concrete composite additive 27g, sand 650g, stone 1100 g, water 225ml, polypropylene fibre 4g, naphthalene water reducer 3g; First cement, concrete composite additive and 100 ml water are put into concrete mixer and stirred 2 minutes, then add sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water to continue to stir 2 minutes, after stirring, obtain concrete; Above-mentioned concrete casting is injected to pipe pile die, and tension reinforcing steel bar, obtains prestress, and then centrifugal forming, obtains prestressed concrete pipe pile; The prestressed concrete pipe pile of centrifugal forming is put into the maintenance of steam curing pond, steam curing is for the first time warming up to 100 ℃ for 4 hours, is incubated 8 hours, and quiet putting is cooled to room temperature, steam curing is for the second time warming up to 80 ℃ for 3 hours, be incubated 10 hours, quiet putting is cooled to room temperature, and steam curing is for the third time warming up to 60 ℃ for 2 hours, be incubated 14 hours, quiet putting is cooled to room temperature, obtains high-performance pile tube
Described concrete composite additive preparation method step is:
Step (1): according to alunite 50-55 part, dickite 20-25 part, zeolite powder 20-25 part, montmorillonite 10-15 part, sodium bentonite 20-25 part, flyash 25-30 part, Calcium Fluoride (Fluorspan) 15-20 part, sucrose 5-10 part, polyvinyl alcohol 3-4 part, methylcellulose gum 3-4 part, sodium carbonate 1-3 part, gypsum 2-4 part, water glass 2-3 part, aluminium powder 1-2 part, grey calcium powder 1-3 part, borax 2-3 part, magnesium hydroxide 2-4 part proportioning (weight) is prepared raw material
Step (2): alunite 50-55 part, dickite 20-25 part, zeolite powder 20-25 part, montmorillonite 10-15 part are carried out to grinding in pulverizer, rotating speed is 120r/min, grinding 8 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is heated 700 ℃ of Heating temperatures, be incubated 3 hours, after cooling in pulverizer grinding 2 hours again, obtaining mixture A granularity size is 0.8-1mm
Step (3): sodium bentonite 20-25 part, flyash 25-30 part, Calcium Fluoride (Fluorspan) 15-20 part are carried out to grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtain compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated 750 ℃ of Heating temperatures, be incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 1 hour, pour afterwards sucrose 5-10 part, polyvinyl alcohol 3-4 part, methylcellulose gum 3-4 part, sodium carbonate 1-3 part into, gypsum 2-4 part, water glass 2-3 part, aluminium powder 1-2 part, grey calcium powder 1-3 part, borax 2-3 part, magnesium hydroxide 2-4 part, then mechanically mixing 1 hour, obtain concrete composite additive.
2. the preparation method of high-performance pile tube as claimed in claim 1, described concrete composite additive raw material is: 50 parts of alunites, 20 parts of dickites, 20 parts of zeolite powders, 10 parts of montmorillonites, 20 parts of sodium bentonites, 25 parts, flyash, 15 parts, Calcium Fluoride (Fluorspan), 5 parts of sucrose, 3 parts of polyvinyl alcohol, 3 parts of methylcellulose gum, 1 part, sodium carbonate, 2 parts, gypsum, 2 parts of water glass, 1 part of aluminium powder, 1 part of grey calcium powder, 2 parts of boraxs, 2 parts of magnesium hydroxides.
3. the preparation method of high-performance pile tube as claimed in claim 1, described concrete composite additive raw material is: 55 parts of alunites, 25 parts of dickites, 25 parts of zeolite powders, 15 parts of montmorillonites, 25 parts of sodium bentonites, 30 parts, flyash, 20 parts, Calcium Fluoride (Fluorspan), 10 parts of sucrose, 4 parts of polyvinyl alcohol, 4 parts of methylcellulose gum, 3 parts, sodium carbonate, 4 parts, gypsum, 3 parts of water glass, 2 parts of aluminium powders, 3 parts of grey calcium powders, 3 parts of boraxs, 4 parts of magnesium hydroxides.
4. the preparation method of high-performance pile tube as claimed in claim 1, described concrete composite additive raw material is: 53 parts of alunites, 23 parts of dickites, 23 parts of zeolite powders, 13 parts of montmorillonites, 23 parts of sodium bentonites, 27 parts, flyash, 17 parts, Calcium Fluoride (Fluorspan), 7 parts of sucrose, 3.5 parts of polyvinyl alcohol, 3.5 parts of methylcellulose gum, 2 parts, sodium carbonate, 3 parts, gypsum, 2.5 parts of water glass, 1.5 parts of aluminium powders, 2 parts of grey calcium powders, 2.5 parts of boraxs, 3 parts of magnesium hydroxides.
5. the preparation method of high-performance pile tube as claimed in claim 1, described concrete composite additive raw material is: 54 parts of alunites, 24 parts of dickites, 24 parts of zeolite powders, 14 parts of montmorillonites, 24 parts of sodium bentonites, 28 parts, flyash, 18 parts, Calcium Fluoride (Fluorspan), 8 parts of sucrose, 3.5 parts of polyvinyl alcohol, 3.5 parts of methylcellulose gum, 1.5 parts, sodium carbonate, 2.5 parts, gypsum, 2.5 parts of water glass, 1.5 parts of aluminium powders, 1.5 parts of grey calcium powders, 2.5 parts of boraxs, 2.5 parts of magnesium hydroxides.
6. the preparation method of high-performance pile tube as claimed in claim 1, step (2) obtains mixture A granularity size for 0.9mm.
7. the preparation method of high-performance pile tube as claimed in claim 1, step (3) obtains mixture B granularity size for 0.4mm.
8. the preparation method of high-performance pile tube as claimed in claim 1, sodium bentonite composition is (weight): 77.3%SiO
2, 8.5%Al
2o
3, 1.9%Fe
2o
3, 1.1%CaO, 4%MgO, 3.8%Na
2o, 3.4% loss on ignition.
9. the preparation method of high-performance pile tube as claimed in claim 1, dickite composition is (weight): 61.1%SiO
2, 31.3%Al
2o
3, 1.2%Fe
2o
3, 1.1%CaO, 0.5%MgO, 4.8% loss on ignition.
10. the preparation method of high-performance pile tube as claimed in claim 10, zeolite component is (weight): 65.5%SiO
2, 14.7%Al
2o
3, 3.6%FeO, 6.5%Fe
2o
3, 2.7%CaO, 2.8%MgO, 0.5%TiO
2, 0.3%K
2o, 0.2%MnO, 3.2% loss on ignition.
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| CN106088009A (en) * | 2016-06-16 | 2016-11-09 | 武汉地质勘察基础工程有限公司 | A kind of method improving cement mixing method intensity |
| CN107399922A (en) * | 2016-11-21 | 2017-11-28 | 淮阴工学院 | A kind of assembled architecture material concrete composite additive |
| CN106957167A (en) * | 2017-05-04 | 2017-07-18 | 瞿慧 | A kind of building concrete stake and preparation method thereof |
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|---|---|
| CN104773984B (en) | 2016-08-17 |
| CN104773984A (en) | 2015-07-15 |
| CN103880352B (en) | 2015-08-19 |
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