CN104072028B - A kind of fine aggregate concrete batching method of industrial residue - Google Patents
A kind of fine aggregate concrete batching method of industrial residue Download PDFInfo
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- CN104072028B CN104072028B CN201310095996.4A CN201310095996A CN104072028B CN 104072028 B CN104072028 B CN 104072028B CN 201310095996 A CN201310095996 A CN 201310095996A CN 104072028 B CN104072028 B CN 104072028B
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- concrete
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- proportioning
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000004568 cement Substances 0.000 claims abstract description 47
- 239000004575 stone Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 5
- 239000004576 sand Substances 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 18
- 239000010881 fly ash Substances 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 8
- 239000003245 coal Substances 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 4
- 238000013467 fragmentation Methods 0.000 claims description 4
- 238000006062 fragmentation reaction Methods 0.000 claims description 4
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 239000013590 bulk material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 230000036571 hydration Effects 0.000 abstract description 2
- 238000006703 hydration reaction Methods 0.000 abstract description 2
- 231100000989 no adverse effect Toxicity 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- -1 electric power Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of fine aggregate concrete compound method of industrial residue, belongs to concrete compound method. the basis of normal concrete benchmark proportioning is adjusted, with the common equivalent replace part fine aggregate of fine industrial residue and stone and cement, thus improves concrete physical and mechanical property and reduce the normal concrete preparation method of material cost. in the process of mixing concrete material, with the fine aggregate of fine industrial residue equivalent replace 10-15% on the basis of normal concrete former benchmark proportioning, and the cement by fine industrial residue and stone common equivalent replace 20% weight ratio, when other mixing materials are constant, the every cubic meter of concrete of mixing can save cost 10-20 unit, the each age strength of concrete of institute's mixing is all quite or higher than benchmark proportioning concrete strength, there is workability good, little loss of slump, hydration heat is low, the deferred property of later strength is good, resisting erosion of sulfate, resistance to chemical attack is strong, good endurance, to features such as concrete performance have no adverse effect.
Description
Technical field
The present invention relates to a kind of concrete compound method, particularly a kind of fine aggregate concrete compound method of industrial residue.
Background technology
The solid-state trade waste of the industry year average emission such as China's iron and steel, electric power, chemical industry has reached more than 10 hundred million tons, specifically have: nearly 100,000,000 tons of 200,000,000 tons, flyash, slag, 0.2 hundred million tons, slag, coal gangue more than 200,000,000 ton, discarded concrete and building waste more than 10 hundred million tons, municipal sludge 0.5 hundred million tons, industrial tailings 2.6 hundred million tons, current China solid waste comprehensive utilization ratio is less than 40%, accumulation solid waste reaches 7,000,000,000 tons, takes up an area about 70,000 Km2 and causes great environmental pollution and land resources waste. In above-mentioned trade waste, except slag obtains utilizing very well, total amount nearly several hundred million tons flyash, slag, coal gangue, discarded concrete and building waste effective rate of utilization very low.
The construction of amphitypy society urgently needs to realize these trade wastes to be carried out deep processing, gives full play to its lateral reactivity, making it to become in cement and cement-based material can the complementary gelling material of adjusting function, large dosage substitutes cement, with the resource consumption that reduces in Cement industry production process and disposal of pollutants, make important contribution for improving human residential environment.
Portland cement concrete is made up of sandstone aggregate, cement, water, mineral admixture and concrete admixture. Owing to the space of coarse aggregate is filled by cement paste by the space of filled with mortar, sand. Although generally thinking that concrete intensity depend on W/C at present, and cement consumption is unrelated, but due to the particle size range difference of the particle size range of sand and cement granules relatively big, the cement consumption filling sand gap is still very big closely knit to ensure concrete structure. If inserting a grade between the particle size range and the particle size range of cement granules of sand again to make to be formed continuous grading from aggregate to cement, then can greatly reduce the consumption of cement on the basis ensureing concrete strength and workability.
Summary of the invention
It is an object of the invention to be provided a kind of fine aggregate concrete compound method of industrial residue, solve the consumption of backfilling cement, it is to increase the problem of concrete strength and improvement concrete workability energy.
The object of the present invention is achieved like this: on the basis of normal concrete benchmark proportioning, industrial residue is crushed to the particle size range being less than sand, it is made to form continuous grading between sand, industrial residue and cement, with fine industrial residue and stone respectively with the fine aggregate of weight ratio equivalent replace 10% and the cement of 10-20%;
Compound method comprises: material preparation, calculating proportioning and benchmark proportioning, and concrete grammar process is as follows:
(1) material preparation: be crushed to by industrial residue by 0.3mm square hole sieve, as then do not needed broken directly use for powders such as flyash, as raw material humidity need to first be dried broken again;
(2) proportioning is calculated: with the fine industrial residue of weight ratio and the stone fine aggregate of equivalent replace 10-15% and the cement of 20% respectively on the basis of normal concrete former benchmark proportioning, other mixing materials remain unchanged, and the proportioning after adjustment is new concrete and calculates proportioning;
(3) benchmark proportioning: the cement from 20% all by stone replace examination join, the workability of detection fresh concrete, if concrete sticky poly-property or water-retentivity are not good, then reduce the stone consumption replacing cement portion, corresponding equivalent increases fine industrial residue consumption, until the concrete sticky poly-property of mixing and water-retentivity are good; If the illiquidity of fresh concrete, then reducing fine industrial residue to the Replacement rate of fine aggregate, thus adjusting the proportioning meeting fresh concrete workability obtained is benchmark proportioning.
Described industrial residue can be the powder after the powder in flyash, red mud, building waste, artificial sand, regeneration concrete fragmentation, CHARACTERISTICS OF TAILINGS SAND, coal gangue, stone quarry stone fragment etc. to the harmless activity of concrete and inertia industrial residue, need to be crushed to by 0.3mm square hole sieve for bulk material, the powder that wherein particle diameter is less than 0.15mm accounts for more than 80%, as broken directly use then can not be needed for powders such as flyash, as raw material humidity need to first be dried broken again.
Useful effect, owing to have employed such scheme, the concrete formulating method of the present invention has following effect:
1) Replacement rate is big, intensity height: the fine aggregate of equivalent replace 10-15% and the cement of about 20% can be distinguished with fine industrial residue, by this invention preparation each age strength of concrete all quite or higher than adjustment before concrete strength, and it is the Replacement rate of fine aggregate sand is more big, the Replacement rate of cement is more little, concrete strength is more high, when the Replacement rate of fine aggregate and cement is respectively 10% and 0%, concrete intensity can improve 1 to 2 strength grades.
2) material preparation process is simple: only need to be crushed to industrial residue can be used by 0.3mm square hole sieve, and as then do not needed broken directly use for powders such as flyash, preparation technology is very simple.
3) compound method is simple: with the fine industrial residue of weight ratio and the stone fine aggregate of equivalent replace 10-15% and the cement of 20% respectively on the basis of normal concrete former benchmark proportioning, meets concrete workability and requires through examination auxiliary tone is whole. Simple, convenient, be conducive to suitability for industrialized production and apply.
4) material cost is cheap is easy to get: described industrial residue can for the powder in flyash, red mud, building waste, artificial sand, powder after regeneration concrete fragmentation, CHARACTERISTICS OF TAILINGS SAND, coal gangue, stone quarry stone fragment etc. to the harmless activity of concrete and inertia industrial residue, not only with low cost, and there is substitutability widely, simple and easy to get.
5) have no side effect and good endurance quality: low by the hydration heat of concrete of the present invention's preparation, the deferred property of later strength is good, anti-freeze, impervious, resisting erosion of sulfate, resistance to chemical attack strong, and good endurance, to features such as concrete performance have no adverse effect.
6) significant economic benefit, environmental benefit and social benefit: adopt industrial residue to substitute cement and river sand in a large number, can slow down Nonrenewable resources-river sand and cement manufacture the raw-material too fast consumption of Wingdale, industrial residue is turned waste into wealth, all problem of environmental pollutions that successive elimination industrial residue brings. The material cost of the present invention is cheap to be easy to get, the cement substituting 20% by mixing every cube concrete calculates, cost-saved 10-20 unit, if having the industrial residue of 2 ~ 300,000,000 tons every year for substituting cement and river sand, the economic benefit produced, environmental benefit and social benefit cannot be estimated.
Advantage: industrial residue is crushed to the particle size range being less than sand, it is made to form continuous grading between sand, industrial residue and cement three, by industrial residue sand gap filled consumption to reduce backfilling cement, it is to increase concrete strength and improve concrete workability energy. Cement and river sand is substituted in a large number with industrial residue; can slow down Nonrenewable resources-river sand and cement manufacture the raw-material too fast consumption of Wingdale; industrial residue is turned waste into wealth; all problem of environmental pollutions that successive elimination industrial residue brings; improve the cement consumption in industrial residue utilization rate, protection of the environment, reduction concrete mixing process, there is significant economic benefit, environmental benefit and social benefit.
Embodiment
Embodiment 1: on the basis of normal concrete benchmark proportioning, industrial residue is crushed to the particle size range being less than sand, it is made to form continuous grading between sand, industrial residue and cement, with fine industrial residue and stone respectively with the fine aggregate of weight ratio equivalent replace 10% and the cement of 10-20%, when other mixing materials are constant, the every cubic meter of concrete of mixing can save cost 10-20 unit, each age strength of concrete of institute's mixing all quite or higher than contrast concrete strength;
Compound method comprises: material preparation, calculating proportioning and benchmark proportioning, and concrete grammar process is as follows:
(1) material preparation: be crushed to by industrial residue by 0.3mm square hole sieve, as then do not needed broken directly use for powders such as flyash, as raw material humidity need to first be dried broken again;
(2) proportioning is calculated: with the fine industrial residue of weight ratio and the stone fine aggregate of equivalent replace 10-15% and the cement of 20% respectively on the basis of normal concrete former benchmark proportioning, other mixing materials remain unchanged, and the proportioning after adjustment is new concrete and calculates proportioning;
(3) benchmark proportioning: the cement from 20% all by stone replace examination join, the workability of detection fresh concrete, if concrete sticky poly-property or water-retentivity are not good, then reduce the stone consumption replacing cement portion, corresponding equivalent increases fine industrial residue consumption, until the concrete sticky poly-property of mixing and water-retentivity are good; If the illiquidity of fresh concrete, then reduce fine industrial residue to the Replacement rate of fine aggregate, thus adjusting the proportioning meeting fresh concrete workability obtained is benchmark proportioning, by this benchmark proportioning preparation each age strength of concrete all quite or higher than adjustment before concrete strength, and it is the Replacement rate of fine aggregate is more high, the Replacement rate of cement is more low, concrete strength is more high, when the Replacement rate of fine aggregate and cement is reached 10% and 0% respectively, concrete intensity can improve 1 to 2 strength grades. Namely only replacing fine aggregate 10%, and the amount of cement does not reduce (Replacement rate 0%), its intensity is the highest, and fine aggregate Replacement rate is more big, intensity is more high, if not pursuing raising intensity, then can reduce cement consumption (Replacement rate > 0%), and intensity does not reduce, thus reduce costs, it is to increase economic benefit.
Described industrial residue can be the powder after the powder in flyash, red mud, building waste, artificial sand, regeneration concrete fragmentation, CHARACTERISTICS OF TAILINGS SAND, coal gangue, stone quarry stone fragment etc. to the harmless activity of concrete and inertia industrial residue, need to be crushed to by 0.3mm square hole sieve for bulk material, the powder that wherein particle diameter is less than 0.15mm accounts for more than 80%, as broken directly use then can not be needed for powders such as flyash, as raw material humidity need to first be dried broken again.
Claims (1)
1. the fine aggregate concrete compound method of industrial residue, it is characterized in that: on the basis of normal concrete benchmark proportioning, industrial residue is crushed to the particle size range being less than sand, it is made to form continuous grading between sand, industrial residue and cement, with fine industrial residue and stone respectively with the fine aggregate of weight ratio equivalent replace 10% and the cement of 20%;
Compound method comprises: material preparation, calculating proportioning and benchmark proportioning, and concrete grammar process is as follows:
(1) material preparation: be crushed to by industrial residue by 0.3mm square hole sieve, as then do not needed broken directly use for flyash powder, as raw material humidity need to first be dried broken again;
(2) proportioning is calculated: with fine industrial residue and the stone fine aggregate of equivalent replace 10% and the cement of 20% weight ratio respectively on the basis of normal concrete former benchmark proportioning, other mixing materials remain unchanged, and the proportioning after adjustment is new concrete and calculates proportioning;
(3) benchmark proportioning: the cement from 20% all by stone replace examination join, the workability of detection fresh concrete, if concrete sticky poly-property or water-retentivity are not good, then reduce the stone consumption replacing cement portion, corresponding equivalent increases fine industrial residue consumption, until the concrete sticky poly-property of mixing and water-retentivity are good; If the illiquidity of fresh concrete, then reducing fine industrial residue to the Replacement rate of fine aggregate, thus adjusting the proportioning meeting fresh concrete workability obtained is benchmark proportioning;
Described industrial residue can be the powder after the powder in flyash, red mud, building waste, artificial sand, regeneration concrete fragmentation, CHARACTERISTICS OF TAILINGS SAND, coal gangue, stone quarry stone fragment, need to be crushed to by 0.3mm square hole sieve for bulk material, the powder that wherein particle diameter is less than 0.15mm accounts for more than 80%, as then do not needed broken directly use for flyash powder, as raw material humidity need to first be dried broken again.
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| CN201310095996.4A CN104072028B (en) | 2013-03-25 | 2013-03-25 | A kind of fine aggregate concrete batching method of industrial residue |
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| CN104072028B true CN104072028B (en) | 2016-06-01 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478340A (en) * | 2014-12-23 | 2015-04-01 | 苏州万盛混凝土有限公司 | Low-cost concrete preparation method |
| CN104446229A (en) * | 2014-12-23 | 2015-03-25 | 苏州万盛混凝土有限公司 | Low-cost concrete |
| CN106316207B (en) * | 2016-08-23 | 2018-12-21 | 重庆交院和瑞工程检测技术有限公司 | A kind of aggregate and preparation method thereof using gangue preparation |
| CN106316179B (en) * | 2016-08-23 | 2019-01-01 | 杭州申华混凝土有限公司 | A kind of high-environmental aggregate and preparation method thereof |
| CN109369079A (en) * | 2018-11-26 | 2019-02-22 | 安徽理工大学 | A method of alkali-activated carbonatite coal gangue concrete is prepared by primary raw material of gangue |
| CN111574116A (en) * | 2020-04-10 | 2020-08-25 | 南京鹿晶混凝土有限公司 | Method for preparing concrete by using industrial waste residue fine aggregate |
| CN113511868A (en) * | 2021-08-26 | 2021-10-19 | 西安科技大学 | Reactive powder concrete using massive coal mine industrial solid wastes and preparation method thereof |
| CN116434894B (en) * | 2023-06-12 | 2023-08-11 | 合肥工业大学 | Mixing proportion design method and manufacturing method of steel slag replaced fine aggregate concrete |
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| CN102674782A (en) * | 2012-05-28 | 2012-09-19 | 桂林理工大学 | Method for preparing concrete by using basalt micropowder-slag micropowder-limestone powder as blending material |
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2013
- 2013-03-25 CN CN201310095996.4A patent/CN104072028B/en active Active
Patent Citations (4)
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| JP2009274937A (en) * | 2008-05-16 | 2009-11-26 | Tohoku Electric Power Co Inc | Blending design method of coal ash filler |
| CN101397198A (en) * | 2008-10-30 | 2009-04-01 | 上海大学 | Composite blending material for concrete and preparation method thereof |
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Non-Patent Citations (1)
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| 合砂配制技术及性能研究;王琼;《粉煤灰》;20110425(第2期);第22页左栏第3节第1段及右栏第1段、右栏第4.1小节第1段及第4.2小节第1段、表3、图2及图3、对比文件2中第21页第1.1节第1段第3～4行 * |
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Inventor after: Ji Yongsheng Inventor after: Tian Feng Inventor after: Hou Zhihui Inventor after: Jin Cheng Inventor after: Bao Zhongzheng Inventor after: Liu Zhiyong Inventor after: Zhang Linglei Inventor before: Ji Yongsheng Inventor before: Zhan Guangmei |
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Address after: 221116 No. 1 University Road, copper mountain, Jiangsu, Xuzhou Patentee after: China University of Mining & Technology Address before: 221116 Research Institute, China University of Mining and Technology, Xuzhou University, Jiangsu, China, Patentee before: China University of Mining & Technology |
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Effective date of registration: 20180223 Address after: 221000 Dahuang mountain village, Dahuang mountain, Xuzhou economic and Technological Development Zone, Jiangsu Province, No. 16 Patentee after: Xuzhou economic and Technological Development Zone sincerity Commodity Concrete Co., Ltd. Address before: 221116 No. 1 University Road, copper mountain, Jiangsu, Xuzhou Patentee before: China University of Mining & Technology |
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