CN102126846B - Manufacturing method for high pumping concrete - Google Patents
Manufacturing method for high pumping concrete Download PDFInfo
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- CN102126846B CN102126846B CN 201010591819 CN201010591819A CN102126846B CN 102126846 B CN102126846 B CN 102126846B CN 201010591819 CN201010591819 CN 201010591819 CN 201010591819 A CN201010591819 A CN 201010591819A CN 102126846 B CN102126846 B CN 102126846B
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- 239000004567 concrete Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000005086 pumping Methods 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 52
- 238000005303 weighing Methods 0.000 claims abstract description 47
- 239000004576 sand Substances 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000003469 silicate cement Substances 0.000 claims abstract description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 7
- KSVSZLXDULFGDQ-UHFFFAOYSA-M sodium;4-aminobenzenesulfonate Chemical compound [Na+].NC1=CC=C(S([O-])(=O)=O)C=C1 KSVSZLXDULFGDQ-UHFFFAOYSA-M 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 229910021536 Zeolite Inorganic materials 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 150000002790 naphthalenes Chemical class 0.000 claims description 6
- 239000010457 zeolite Substances 0.000 claims description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 229960004418 trolamine Drugs 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000000740 bleeding effect Effects 0.000 abstract description 4
- 239000004035 construction material Substances 0.000 abstract description 2
- -1 gravel Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 34
- 239000011374 ultra-high-performance concrete Substances 0.000 description 10
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 235000013312 flour Nutrition 0.000 description 5
- 229920005646 polycarboxylate Polymers 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a manufacturing method for high pumping concrete, and belongs to the technical field of engineering construction materials. The manufacturing method comprises the following steps of: weighing silicate cement, ultrafine powder, river sand or washed sea sand, gravel, water and a water reducer according to a proportion, pouring the weighed silicate cement and ultrafine powder into a stirrer, and stirring; adding the weighed river sand or washed sea sand, and stirring; pouring the weighed water and water reducer, and stirring; and pouring the weighed gravel, and stirring to obtain the concrete. The concrete manufactured by the method can retain plasticity for a long time, so that slump, expansion and rewinding time are basically invariable for 3 to 4 hours, and bleeding is prevented; therefore, the requirements of an ultrahigh pumping technology are met.
Description
Technical field
The present invention relates to a kind of manufacture method of high pump concrete, belong to engineering construction material technology field.
Background technology
The ultra-high performance concrete of the external intensity 〉=140MPa that produces all adopts and hangs blue construction now, and prepares with high-efficiency water-reducing agent of poly-carboxylic acid.This concrete manufacturing cost is high, and viscosity is large, so pumping construction is very difficult.Guangzhou West Tower engineering project section for example, super high pump-conveying the ultra-high performance concrete of C100, also prepare with high-efficiency water-reducing agent of poly-carboxylic acid.But ultra-high performance concrete often will be mixed high efficiency water reducing agent because water-cement ratio is on the low side more, could reduce concrete viscosity, improves flowability and pumpability.But when part high-efficiency water-reducing agent of poly-carboxylic acid volume 〉=0.6% (solid content) arranged, concrete did not solidify in 4 days, and this will cause serious engineering accident, and naphthalene series high-efficiency water-reducing agent, when being used for preparing the C60 concrete, because viscosity is large, pumping construction is very difficult.Use sulfamate high-effective water-reducing agent, during the above high performance concrete of preparation C60, volume slightly high will bleeding, at the bottom of the occasion, also can't pumping construction.Therefore, prepare the above ultra-high performance concrete of C100 both at home and abroad and all adopt high-efficiency water-reducing agent of poly-carboxylic acid, but cost is high, generally all use and hang blue construction.
Summary of the invention
The objective of the invention is to propose a kind of manufacture method of high pump concrete, use extraordinary ultrafine powder kind special efficient water reducer, change existing ultra-high performance concrete and only use the product method that becomes of high-efficiency water-reducing agent of poly-carboxylic acid and silica flour, and enhance product performance, reduce product cost, save and produce the energy and resource.
The manufacture method of the high pump concrete that the present invention proposes comprises following each step:
(1) by following mass percent, the concrete material of weighing:
Silicate cement 24～25
Ultrafine powder 10～11
River sand or wash extra large sand 27～28
Rubble 32～33
Water 4.5～5.0
Water reducer 1.0～1.1;
(2) silicate cement and the ultrafine powder of weighing are poured in the stirrer, stirred 40～80 seconds; Add the river sand of weighing or wash extra large sand, stirred 30～60 seconds; Pour water and the water reducer of weighing into, stir after 40～80 seconds, pour the rubble of weighing into, stir after 60～90 seconds, obtain concrete.
In the above-mentioned manufacture method, described water reducer is comprised of A component and B component, and the mass ratio of A component and B component is: the A component: B component=1: 1.5, wherein:
The mass percent of each raw material is in the A component:
Naphthalene series high-efficiency water-reducing agent 40～50
Natural zeolite ultrafine powder 50～60
The B component is the sulfamate based water reducer of solid content 33%, and the preparation method of sulfamate based water reducer is as follows:
(2-1) by following mass ratio, the raw material of weighing:
165 parts of Sodium sulfanilates
95 parts of phenol
15 parts in sodium hydroxide
15 parts in urea
3 parts of trolamines
190 parts in formaldehyde
500 parts in water
(2-2) Sodium sulfanilate, phenol, sodium hydroxide, trolamine and the water with above-mentioned weighing drops in the reactor, and stir on the limit, the limit is heated to 85～90 ℃, and then the formaldehyde with weighing slowly adds in the reactor, adds in 1-1.5 hour; Again the urea of weighing is dropped in the reactor, continuously stirring, be heated to 90～95 ℃, react discharging after 8-8.5 hour.
The manufacture method of the high pump concrete that the present invention proposes, the concrete of manufacturing can be protected for a long time and mould, and makes the slump, divergence and rewinding time substantially constant at 3～4 hours, and bleeding has not guaranteed the requirement of super high pump-conveying technology again.In the used raw material of present method, using has the composite cementitious material system that forms of microballon ultrafine powder, silica flour and cement, and water storage is low, degree of compactness is high, therefore makes concrete strength high.Present method has reached and has protected the function of moulding, strengthening by using extraordinary ultrafine powder and special efficient water reducer, and making mixed earth have superstrength has the energy super high pump-conveying.The concrete of present method manufacturing has the superstrength of 140MPa, can be more than the super high pump-conveying 300m.In the manufacture method of the present invention, use extraordinary ultrafine powder and special efficient water reducer, change existing ultra-high performance concrete and only use the production method of high-efficiency water-reducing agent of poly-carboxylic acid and silica flour, make concrete flowability, intensity and the weather resistance of manufacturing all be better than existing concrete.The ultra-high performance concrete that the inventive method is made can arrive 316 meters height by one pump from ground, and the low cost of manufacture of product, has saved the energy of manufacture course of products and used resource, is a kind of concrete of low-carbon technology.
Embodiment
The manufacture method of the high pump concrete that the present invention proposes comprises following each step:
(1) by following mass percent, the concrete material of weighing:
Silicate cement 24～25
Ultrafine powder 10～11
River sand or wash extra large sand 27～28
Rubble 32～33
Water 4.5～5.0
Water reducer 1.0～1.1;
(2) silicate cement and the ultrafine powder of weighing are poured in the stirrer, stirred 40～80 seconds; Add the river sand of weighing or wash extra large sand, stirred 30～60 seconds; Pour water and the water reducer of weighing into, stir after 40～80 seconds, pour the rubble of weighing into, stir after 60～90 seconds, obtain concrete.
In the above-mentioned manufacture method, described water reducer is comprised of A component and B component, and the mass ratio of A component and B component is: the A component: B component=1: 1.5, wherein:
The mass percent of each raw material is in the A component:
Naphthalene series high-efficiency water-reducing agent 40～50
Natural zeolite ultrafine powder 50～60
The B component is the sulfamate based water reducer of solid content 33%, and the preparation method of sulfamate based water reducer is as follows:
(2-1) by following mass ratio, the raw material of weighing:
165 parts of Sodium sulfanilates
95 parts of phenol
15 parts in sodium hydroxide
15 parts in urea
3 parts of trolamines
190 parts in formaldehyde
500 parts in water
(2-2) Sodium sulfanilate, phenol, sodium hydroxide, trolamine and the water with above-mentioned weighing drops in the reactor, and stir on the limit, the limit is heated to 85～90 ℃, and then the formaldehyde with weighing slowly adds in the reactor, adds in 1-1.5 hour; Again the urea of weighing is dropped in the reactor, continuously stirring, be heated to 90～95 ℃, react discharging after 8-8.5 hour.
Below introduce the embodiment of the inventive method:
Embodiment 1:
(1) by following mass percent, the concrete material of weighing:
Silicate cement 23
Ultrafine powder 11
River sand or wash extra large sand 28
Rubble 32
Water 5
Water reducer 1;
(2) silicate cement and the ultrafine powder of weighing are poured in the stirrer, stirred 40 seconds; Add the river sand of weighing or wash extra large sand, stirred 40 seconds; Pour water and the water reducer of weighing into, stir after 50 seconds, pour the rubble of weighing into, stir after 70 seconds, obtain concrete.
The concrete that above-described embodiment 1 is made is divided into two parts, and a sealing is deposited in indoor, and another part sealing is deposited under 35 ℃ the sunlight, through 1 hour, 2 hours, 3 hours, measures respectively the slump, divergence, rewinding time and pressure bleeding quantity, and the result is as follows:
After 3 hours, concrete protect plasticity, serviceability are still very excellent, and under the sunlight and the test specimen of indoor placement almost identical.
With above-mentioned concrete formation 10 * 10 * 10cm test specimen, the demoulding after 24 hours is put in maintenance in the standard curing room, and the ultimate compression strength in the 3 days length of time, 7 days, 28 days is as follows respectively:
The These parameters explanation, the ultra-high performance concrete of manufacturing of the present invention has excellent flowability, pumpability and homogeneity, and can carry out super high pump-conveying.
Embodiment 2:
(1) by following mass percent, the concrete material of weighing:
Silicate cement 24
Ultrafine powder 10
River sand or wash extra large sand 27
Rubble 33
Water 4.8
Water reducer 1.2;
(2) silicate cement and the ultrafine powder of weighing are poured in the stirrer, stirred 40 seconds; Add the river sand of weighing or wash extra large sand, stirred 40 seconds; Pour water and the water reducer of weighing into, stir after 50 seconds, pour the rubble of weighing into, stir after 70 seconds, obtain concrete.
The ultra-high performance concrete of the present embodiment 2 manufacturings and the concrete of polycarboxylate water-reducer preparation are compared.Concrete performance is shown in table-1, concrete strength is shown in table-2, wherein number 1 concrete for the polycarboxylate water-reducer preparation, wherein the solid content of polycarboxylate water-reducer is 40%, volume is 1.5% just can have the model retention effect of the concrete system made from the inventive method when above, and numbering 2 is the ultra-high performance concrete of the present invention's manufacturing.
Table-1 concrete mixture characteristic
Table-2 concrete strengths (MPa)
| The numbering the length of time | 3 days | 7 days | 28 days |
| 1 | 0 | 0 | 0 |
| 2 | 87.1 | 102 | 140.3 |
As can be seen from the table, the concrete of polycarboxylate water-reducer preparation can be protected and mould, but after a certain scope of volume superelevation of polycarboxylate water-reducer, concrete coagulation is chronic, and 4 days also noncondensing, so intensity is zero.Although and the volume of water reducer of the present invention is higher, protect plasticity can be excellent, and without delayed coagulation, time of coagulation is normal, and intensity is also very high.
Embodiment 3:
(1) by following mass percent, the concrete material of weighing:
Silicate cement 23
Ultrafine powder 9
River sand or wash extra large sand 28
Rubble 34
Water 4.5
Water reducer 1.5;
(2) silicate cement and the ultrafine powder of weighing are poured in the stirrer, stirred 60 seconds; Add the river sand of weighing or wash extra large sand, stirred 50 seconds; Pour water and the water reducer of weighing into, stir after 70 seconds, pour the rubble of weighing into, stir after 80 seconds, obtain concrete.
In the various embodiments described above, the preparation method of the water reducer of use is as follows:
Water reducer is comprised of A component and B component, and the mass ratio of A component and B component is: the A component: B component=1: 1.5, wherein:
The mass percent of each raw material is in the A component:
Naphthalene series high-efficiency water-reducing agent 45
Natural zeolite ultrafine powder 55;
The B component is the sulfamate based water reducer of solid content 33%, and the preparation method of sulfamate based water reducer is as follows:
(2-1) by following mass ratio, the raw material of weighing:
165 parts of Sodium sulfanilates
95 parts of phenol
15 parts in sodium hydroxide
15 parts in urea
3 parts of trolamines
190 parts in formaldehyde
500 parts in water;
(2-2) Sodium sulfanilate, phenol, sodium hydroxide, trolamine and the water with above-mentioned weighing drops in the reactor, and stir on the limit, the limit is heated to 88 ℃, and then the formaldehyde with weighing slowly adds in the reactor, adds in 1.2 hours; Again the urea of weighing is dropped in the reactor, continuously stirring, be heated to 92 ℃, react discharging after 8.2 hours.Processing parameter wherein can be according to reaction process corresponding change in specialized range.
In the manufacture method of the present invention, the material place of production or the supplier of use are as follows:
Microballon ultrafine powder: supplied with one-tenth limited-liability company by Shenzhen.
Silica flour: zunyi, guizhou province silica flour long production.
Natural zeolite ultrafine powder: by the glad living zeolite formula product of Jinhua, Zhejiang.
Naphthalene series high-efficiency water-reducing agent (pulvis): by Guangdong Huizhou Ruian water reducer factory.
The high-efficiency water-reducing agent of poly-carboxylic acid that uses among the comparative example (solid content 40%): Guangzhou West card high efficiency water reducing agent company provides by the Guangzhou.Sand: river sand or wash extra large sand, in coarse sand partially, be commercially available.Rubble is supplied by stone quarry, Zhuhai.
Claims (1)
1. the manufacture method of a high pump concrete is characterized in that the method comprises following each step:
(1) by following mass percent, the concrete material of weighing:
Wherein said water reducer is comprised of A component and B component, and the mass ratio of A component and B component is: the A component: B component=1: 1.5, wherein:
The mass percent of each raw material is in the A component:
Naphthalene series high-efficiency water-reducing agent 40～50
Natural zeolite ultrafine powder 50～60
The B component is the sulfamate based water reducer of solid content 33%, and the preparation method of sulfamate based water reducer is as follows:
(1-1) by following mass ratio, the raw material of weighing:
(1-2) Sodium sulfanilate, phenol, sodium hydroxide, trolamine and the water with above-mentioned weighing drops in the reactor, and stir on the limit, the limit is heated to 85～90 ℃, and then the formaldehyde with weighing slowly adds in the reactor, adds in 1-1.5 hour; Again the urea of weighing is dropped in the reactor, continuously stirring, be heated to 90～95 ℃, react discharging after 8-8.5 hour;
(2) silicate cement and the ultrafine powder of weighing are poured in the stirrer, stirred 40～80 seconds; Add the river sand of weighing or wash extra large sand, stirred 30～60 seconds; Pour water and the water reducer of weighing into, stir after 40～80 seconds, pour the rubble of weighing into, stir after 60～90 seconds, obtain concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010591819 CN102126846B (en) | 2010-12-08 | 2010-12-08 | Manufacturing method for high pumping concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010591819 CN102126846B (en) | 2010-12-08 | 2010-12-08 | Manufacturing method for high pumping concrete |
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| CN102126846A CN102126846A (en) | 2011-07-20 |
| CN102126846B true CN102126846B (en) | 2013-01-30 |
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| CN 201010591819 Expired - Fee Related CN102126846B (en) | 2010-12-08 | 2010-12-08 | Manufacturing method for high pumping concrete |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515646B (en) * | 2011-12-15 | 2016-06-29 | 中建三局建设工程股份有限公司 | A kind of antifreeze anticorrosion durable concrete and preparation method thereof |
| CN103183486A (en) * | 2013-03-01 | 2013-07-03 | 王中 | Amino-sulfonic acid and naphthalene compound water reducing agent and preparation method thereof |
| CN104196241B (en) * | 2014-08-25 | 2016-04-20 | 延安大学 | The construction method of pumping of concrete |
| CN104446225A (en) * | 2014-12-23 | 2015-03-25 | 华汇建设集团有限公司 | Method for producing underground concrete capable of removing side effect of sea sand |
| CN106007529A (en) * | 2016-05-25 | 2016-10-12 | 句容联众科技开发有限公司 | High-performance concrete and preparation method thereof |
| CN110885213A (en) * | 2019-11-28 | 2020-03-17 | 桐乡市亚都混凝土有限公司 | Super high-rise pumping concrete and preparation method thereof |
| CN113336465B (en) * | 2021-06-24 | 2023-12-26 | 山东业安建材有限公司 | CF90 high-strength high-performance steel fiber concrete composite additive and preparation method thereof |
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| CN101269943A (en) * | 2008-05-12 | 2008-09-24 | 北京东方建宇混凝土科学技术研究院有限公司 | High-strength grout containing superfines and preparing method |
| CN101323515A (en) * | 2008-07-18 | 2008-12-17 | 东南大学 | Ultra-high strong concrete having ultra-high pumping performance and method for preparing the same |
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- 2010-12-08 CN CN 201010591819 patent/CN102126846B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020043146A (en) * | 2000-12-01 | 2002-06-08 | 이강주 | Color pattern gypsum concrete and construction method thereby |
| CN101037315A (en) * | 2007-03-02 | 2007-09-19 | 东南大学 | Steel fiber concrete with super high pump-conveying property |
| CN101269943A (en) * | 2008-05-12 | 2008-09-24 | 北京东方建宇混凝土科学技术研究院有限公司 | High-strength grout containing superfines and preparing method |
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Effective date of registration: 20170814 Address after: 100084 room 5, unit 201, East 8, Tsinghua University, Beijing, Haidian District Co-patentee after: Ye Haowen Patentee after: Feng Naiqian Co-patentee after: Ye Haowen Zhongjian science and Technology Co Ltd Address before: 100084 room 5, unit 201, East 8, Tsinghua University, Beijing, Haidian District Co-patentee before: Ye Haowen Patentee before: Feng Naiqian |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20171208 |