CN101712544A - Cement-free slag powder concrete - Google Patents
Cement-free slag powder concrete Download PDFInfo
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- CN101712544A CN101712544A CN200910193235A CN200910193235A CN101712544A CN 101712544 A CN101712544 A CN 101712544A CN 200910193235 A CN200910193235 A CN 200910193235A CN 200910193235 A CN200910193235 A CN 200910193235A CN 101712544 A CN101712544 A CN 101712544A
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Abstract
The invention provides a cement-free slag powder concrete which is characterized in that proportioning of main raw materials in per cubic meter concrete is as follows: 0kg of cement, 100-400kg of slag powder, 0-250kg of fly ash and 140-220kg of water. As in the invention, no cement is adopted in the concrete and quantities of slag powder and fly ash are doped, the activity effect of the slag powder and fly ash is fully utilized, thus ensuring the working performance and quality thereof, efficiently utilizing waste resource, saving cement and energy, reducing production cost and mitigating environment pollution. The invention has wide application range, can be applied to various project parts, is especially suitable for temporary structure and underground structure projects, and has broad market prospect.
Description
Technical field
The present invention relates to a kind of special concrete, particularly a kind of cement-free slag powder concrete belongs to building material technical field.
Background technology
Along with the continuous development of social economy's construction, the concrete demand is more and more.Normal concrete is by mixing such as cement, adulterant, sandstone and admixtures and be mixed with.Normal concrete has consumed a large amount of cement, and the Cement Production loss a large amount of energy, discharged in a large number greenhouse gases simultaneously, and caused huge environmental pollution.Modern industry production has produced a large amount of slag powders, flyash equal industrial residue, and these adulterants have good lateral reactivity.Therefore how to make good use of these resources, reduce production costs extremely urgent.
Summary of the invention
The purpose of this invention is to provide a kind of cement-free slag powder concrete.Be characterized in not mixing cement in the concrete, but ultimate compression strength reaches more than the 30MPa, can effectively guarantee to reduce production costs quality product, utilize various industrial residues in a large number, can effectively reduce pollution environment.The starting material that this concrete uses mainly are slag powders, flyash, sandstone and water etc., have workability and weather resistance preferably.
Technical scheme of the present invention is achieved in that under the prerequisite of not using cement, to different slag powders and flyash ratio, and change the folk prescription water consumption and compare test, the research concrete of sening as an envoy to obtains the best workability and the proportion of raw material situation of ultimate compression strength.This concrete can harden at normal temperatures, does not need to take measures such as steaming process maintenance.
Flyash concrete of the present invention, be characterized in that the proportioning of each main raw material(s) in every cubic meter of concrete is: cement is 0Kg, slag powders is 100-400Kg, flyash: 0-250Kg, water: 140-220Kg.28 days compression strength values of this proportioning concrete are about 10-35MPa, and later strength is higher.
The optimum mix of each main raw material(s) is in above-mentioned every cubic meter of concrete:
Slag powders is 280Kg, and flyash is 120Kg, and water is 165Kg, and medium sand and stone are respectively 760Kg, 1050Kg.28 days ultimate compression strength of this proportioning surpasses 30MPa.
Proportioning of the present invention can also can make the concrete of different ultimate compression strength according to raw material quality technical indicators such as different slag powders, flyash.This proportioning also can be mixed various admixtures, or mixes various exciting agents, to reduce the concrete water amount, can also improve concrete workability and ultimate compression strength etc.
Proportioning cost keeping contrast of the present invention, cement is pressed P.042.5 calculated example:
| Material usage | Cement | Slag powders | Flyash | Sand | Stone | Admixture | Cost |
| The material unit price | 350 yuan/ton | 260 yuan/ton | 160 yuan/ton | 40 yuan/m 3 | 60 yuan/m 3 | 2400 yuan/ton | ??/ |
| Material usage | Cement | Slag powders | Flyash | Sand | Stone | Admixture | Cost |
| Common proportioning (/m 3) | ??260kg | ??0kg | ??100kg | ??0.57m 3 | ??0.74m 3 | ??6.8kg | 191 yuan |
| Proportioning (/m of the present invention 3) | ??0kg | ??280kg | ??120kg | ??0.54m 3 | ??0.75m 3 | ??5.6kg | 172 yuan |
As can be seen from the above table, the cement-free slag powder concrete proportioning of the present invention 19 yuan/m that reduces cost
3, reducing cost obviously, application is had a bright future.
The present invention is not because cement is used in employing in concrete, mix the consumption of slag powders, flyash in a large number, their active effects in concrete had both been utilized fully, guaranteed its serviceability and quality, effectively utilized waste resource again, saved the cement and the energy, reduced production cost and reduced environmental pollution simultaneously.The present invention is of many uses, can be applicable to the various engineering position, is specially adapted to temporary structure, construction of underground structure, therefore has vast market prospect.
Cement-free slag powder concrete production technique of the present invention is simple, is as good as with the production of general goods cement concrete.More even for various starting material are stirred, churning time need prolong 10-20s/m than normal concrete
3
Concrete embodiment
Flyash concrete of the present invention, be characterized in that the proportioning of each main raw material(s) in every cubic meter of concrete is: cement is 0Kg, slag powders is 100-400Kg, flyash: 0-250Kg, water: 140-220Kg.28 days compression strength values of this proportioning concrete are about 10-35MPa, and later strength is higher.
The optimum mix of each main raw material(s) is in above-mentioned every cubic meter of concrete:
Slag powders is 280Kg, and flyash is 120Kg, and water is 165Kg, and medium sand and stone are respectively 760Kg, 1050Kg.28 days ultimate compression strength of this proportioning surpasses 30MPa.
Embodiment 1:
The cement-free slag powder concrete proportioning: slag powders is 100kg, and flyash is 220kg, and medium sand is 980kg, and stone is 860kg, and water is 215kg.Concrete by this proportioning preparation is tried out in the underground shield structure building enclosure of Guangzhou priority project, produces 3600m altogether
3Concrete workability is good, and the slump reaches 190mm, and ultimate compression strength reached 12MPa in 28 days.
Embodiment 2:
The cement-free slag powder concrete proportioning: slag powders is 300kg, and flyash is 100kg, and medium sand is 780kg, and stone is 1025kg, and water is 175kg, and high efficiency water reducing agent is 6.0kg.The slump reaches 150mm, normal curing 28 days, and ultimate compression strength reaches 25MPa.
Embodiment 3:
The cement-free slag powder concrete proportioning: slag powders is 300kg, and flyash is 200kg, and medium sand is 700kg, and the stone port is 1015kg, and water is 160kg, and water reducer is 7.0kg, and alkali-activator is 3.1kg.The slump reaches 180mm, normal curing 28 days, and ultimate compression strength reaches 33MPa.
Claims (6)
1. cement-free slag powder concrete is characterized in that the proportioning of each main raw material(s) in every cubic meter of concrete is:
Cement: 0Kg, slag powders: 100-400Kg, flyash: 0-250Kg, water: 140-220Kg.
2. concrete according to claim 1 is characterized in that the optimum mix of each main raw material(s) in above-mentioned every cubic meter of concrete is:
Slag powders: 280Kg, flyash: 120Kg, water: 165Kg.
3. concrete according to claim 1 is characterized in that also including in the above-mentioned starting material a certain proportion of medium sand and stone, admixture.
4. concrete according to claim 1 is characterized in that also including in the above-mentioned starting material a certain proportion of exciting agent.
5. concrete according to claim 2 is characterized in that the medium sand in every cubic meter of concrete and stone are respectively 760Kg, 1050Kg in the above-mentioned starting material.
6. according to claim 1 or 2 or 3 or 4 described concrete, it is characterized in that to select the starting material and the consumption thereof of different mass technical requirement according to different ultimate compression strength preparation requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910193235A CN101712544A (en) | 2009-10-23 | 2009-10-23 | Cement-free slag powder concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910193235A CN101712544A (en) | 2009-10-23 | 2009-10-23 | Cement-free slag powder concrete |
Publications (1)
| Publication Number | Publication Date |
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| CN101712544A true CN101712544A (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910193235A Pending CN101712544A (en) | 2009-10-23 | 2009-10-23 | Cement-free slag powder concrete |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358387A (en) * | 2012-09-25 | 2013-10-23 | 苏州混凝土水泥制品研究院有限公司 | Production technology of anti-corrosion prefabricated reinforced concrete inspection well |
| CN103803915A (en) * | 2012-11-09 | 2014-05-21 | 中元建设集团股份有限公司 | Zero cement corrosion resistance FKJ concrete mixing ratio design method |
| CN103924533A (en) * | 2014-04-11 | 2014-07-16 | 苏州混凝土水泥制品研究院有限公司 | Safety rail transit platform production system and safety rail transit platform production method |
| CN105314936A (en) * | 2015-10-29 | 2016-02-10 | 廊坊荣盛混凝土有限公司 | Application of fly ash composite slag powder to concrete |
| CN106316312A (en) * | 2015-06-15 | 2017-01-11 | 新疆宇鑫混凝土有限公司 | Clinker-free cement concrete prepared by using building garbage micro-powder |
-
2009
- 2009-10-23 CN CN200910193235A patent/CN101712544A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358387A (en) * | 2012-09-25 | 2013-10-23 | 苏州混凝土水泥制品研究院有限公司 | Production technology of anti-corrosion prefabricated reinforced concrete inspection well |
| CN103803915A (en) * | 2012-11-09 | 2014-05-21 | 中元建设集团股份有限公司 | Zero cement corrosion resistance FKJ concrete mixing ratio design method |
| CN103924533A (en) * | 2014-04-11 | 2014-07-16 | 苏州混凝土水泥制品研究院有限公司 | Safety rail transit platform production system and safety rail transit platform production method |
| CN103924533B (en) * | 2014-04-11 | 2016-06-29 | 苏州混凝土水泥制品研究院有限公司 | Track traffic safety station production system and production method |
| CN106316312A (en) * | 2015-06-15 | 2017-01-11 | 新疆宇鑫混凝土有限公司 | Clinker-free cement concrete prepared by using building garbage micro-powder |
| CN105314936A (en) * | 2015-10-29 | 2016-02-10 | 廊坊荣盛混凝土有限公司 | Application of fly ash composite slag powder to concrete |
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Application publication date: 20100526 |