KR101501760B1 - Method of manufacturing ecofriendly sidewalk blocks - Google Patents
Method of manufacturing ecofriendly sidewalk blocks Download PDFInfo
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- KR101501760B1 KR101501760B1 KR1020130084509A KR20130084509A KR101501760B1 KR 101501760 B1 KR101501760 B1 KR 101501760B1 KR 1020130084509 A KR1020130084509 A KR 1020130084509A KR 20130084509 A KR20130084509 A KR 20130084509A KR 101501760 B1 KR101501760 B1 KR 101501760B1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C15/00—Pavings specially adapted for footpaths, sidewalks or cycle tracks
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/46—Rock wool ; Ceramic or silicate fibres
- C04B14/4643—Silicates other than zircon
- C04B14/4675—Silicates other than zircon from slags
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- Architecture (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
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Abstract
본 발명은 친환경 보도블럭 제조방법에 관한 것으로, 철강 슬래그, 가용성 실리카 및 알칼리 활성석고를 900℃ 이상의 소성로에서 소성시킨 후 5 ~ 10mm의 입경으로 분쇄하여 코어를 준비하고, 준비된 상기 코어에 모래, 자갈, 표면개질된 탄산칼슘 및 무기질 결합제인 폐석회석, 황토 미분, 규산염 유리분말을 배합하여 보도블럭 몰드에 타설하여 형태를 만든 후, 양생하는 단계로 구성됨으로써, 활성처리된 폐석회석, 황토 미분 및 규산염 유리분말로 이루어진 무기질 결합제를 활용하여 천연 모래, 자갈 등의 바디부와 철강 슬래그, 가용성 실리카, 재생 석고의 코어부를 소성 결합함으로써 이산화탄소 배출없이 강도가 우수한 무시멘트 타입의 친환경 보도블럭을 제조할 수 있는 효과가 있다.The present invention relates to a method for manufacturing an eco-friendly sidewalk block, which comprises calcining steel slag, soluble silica and alkali activated gypsum at a calcination temperature of 900 ° C or higher, and then pulverizing the mixture to a particle size of 5 to 10 mm to prepare a core, , Surface-modified calcium carbonate, and mineral binder, pulverized limestone, loess powder, silicate glass powder, and then pouring into a sidewalk block mold to form and curing the activated limestone, loess pulp and silicate It is possible to manufacture a cushion type eco-friendly sidewall block having excellent strength without carbon dioxide discharge by burning the core portion of steel slag, soluble silica and reclaimed gypsum with the body portion of natural sand, gravel and the like by utilizing an inorganic binder made of glass powder It is effective.
Description
본 발명은 무시멘트 타입의 친환경 보도블럭 제조방법에 관한 것이다.
The present invention relates to a cushion type eco-friendly sidewalk block manufacturing method.
일반적인 시멘트는 배합시 다량의 이산화탄소를 배출하기 때문에 세계적 지구 온난화 방지를 위한 교토 의정서와 발리 로드맵 등을 만족할 수 없다.
Because conventional cement emits a large amount of carbon dioxide when formulated, it can not satisfy the Kyoto Protocol and the Bali roadmap to prevent global warming.
이러한 온실가스의 배출량 감소를 위한 일방안으로 제안된 대한민국 등록특허 제0908498호(등록일자: 2009.7.13., 발명의 명칭: 무시멘트 알카리 활성 벽돌)는 고로슬래그를 포함하는 원재료와 나트륨계를 포함하는 알카리성 무기질 재료를 포함하는 무시멘트 알카리 활성결합재; 모래 또는 석분을 포함하는 잔골재; 및 물;을 포함하며, 상기 알카리성 무기질 재료는 규산나트륨, 분말형의 수산화나트륨, 액상형의 물유리 및 액상형의 수산화나트륨 어느 하나이고, 상기 알카리성 무기질 재료에 포함된 나트륨계 대 원재료의 중량비가 0.038 내지 0.088로서, 상기 나트륨계의 중량은 Na2O로 환산된 값인 것을 특징으로 하는 무시멘트 알카리 활성 벽돌이 개시되어 있다.Korea Patent No. 0908498 (registered on July 13, 2009, entitled "Cement-Alkali Activated Brick") proposed as a method for reducing the emission of greenhouse gases includes raw materials including blast furnace slag and sodium-based materials A cement-based alkali active binder containing an alkaline inorganic material; Fine aggregate containing sand or stone; Wherein the alkaline inorganic material is any one of sodium silicate, powdered sodium hydroxide, liquid water glass and liquid sodium hydroxide, and the weight ratio of the sodium-based raw material contained in the alkaline inorganic material is 0.038 to 0.088 , And the weight of the sodium-based compound is a value converted to Na 2 O.
이러한 종래 기술은 이산화탄소를 방출하지 않아 친환경적일 뿐만 아니라 무시멘트 알카리 활성 결합재로서 고로슬래그, 플라이애쉬 및 메타카올린 등의 산업 부산물을 이용함으로써 환경 부하를 감소시킬 수 있는 효과가 있다고 주장하고 있으나 실제 포크랜트 시멘트에 비하여 강도가 우수하지 못함은 물론 제조단가가 높은 단점이 있었다.
Such conventional technology does not emit carbon dioxide and is environmentally friendly. However, it is claimed that there is an effect of reducing environmental load by using industrial by-products such as blast furnace slag, fly ash, and meta kaolin as cement- It has a disadvantage in that it is not excellent in strength as compared with cement and has a high manufacturing cost.
또한, 대한민국 등록특허 제1121724호(등록일자: 2012.2.22., 발명의 명칭: 고로슬래그, 분말형 규산나트륨, 탈황석고를 포함하는 결합재를 이용하는 무시멘트 콘크리트 조성물 및 무시멘트 콘크리트의 제조방법)는 결합재, 잔골재, 굵은골재, 배합수를 포함하는 콘크리트 조성물에 있어서, 상기 결합재는 고로슬래그, 분말형 규산나트륨 및 탈황석고를 포함하며 이들의 비율은 고로슬래그 77~83중량%, 분말형 규산나트륨 15~18중량%, 탈황석고 2~5중량%인 것을 특징으로 하는 고로슬래그, 분말형 규산나트륨, 탈황석고를 포함하는 결합재를 이용하는 무시멘트 콘크리트 조성물이 개시되어 있다.Also, Korean Patent No. 1121724 (registered on Feb. 22, 2012, entitled "Blast Furnace Slag, Sodium Silicate Powder, Cementless Concrete Composition Using Binders Containing Desulfurized Gypsum, and Method of Making Cemented Concrete)" Wherein the binder comprises blast furnace slag, powdered sodium silicate and desulfurized gypsum, and the ratio thereof is 77 to 83% by weight of blast furnace slag, 15 to 15% by weight of powdery sodium silicate 15 To 18% by weight of a gypsum slag, and 2 to 5% by weight of a desulfurized gypsum slurry, powdered sodium silicate and a desulfurized gypsum.
이러한 종래 기술은, 압축강도를 25~55MPa 범위로 확보할 수 있는 장점이 있다고 주장하고 있으나, 실제 제조과정이 매우 복잡하고 초기 강도가 낮은 단점이 있었다.
These prior arts claim to have the advantage of securing the compression strength in the range of 25 to 55 MPa, but the manufacturing process is very complicated and the initial strength is low.
이러한 종래 기술들 외에 대한민국 등록특허 제1188498호(등록일자: 2012.9. 27., 발명의 명칭: 바텀애쉬를 이용한 무시멘트 콘크리트 조성물 및 그 제조방법), 대한민국 등록특허 제1028011호(등록일자: 2011.4.1., 발명의 명칭: 고로슬래그를 이용한 무시멘트 콘크리트 제조방법) 및 대한민국 등록특허 제1217061호(등록일자: 2012.12.24., 발명의 명칭: 무시멘트 콘크리트 조성물 및 무시멘트 콘크리트 제조방법) 등이 제안되고 있으나 통상적인 포크랜드 시멘트와 같은 저단가, 배합의 용이성 및 강도 등을 모두 만족하는 기술은 아직 개발되지 못한 실정에 있다.In addition to these conventional techniques, Korean Registered Patent No. 1188498 (Registered on September 27, 2012, entitled: Cementless concrete composition using bottom ash and method for producing the same), Korean Patent No. 1028011 (registered on Apr. 1. Description of the Prior Art: A method for producing cement concrete using blast furnace slag and a method for producing cement concrete using a blast furnace slag, However, a technology satisfying all of low cost, ease of combination and strength such as conventional folkland cement has not yet been developed.
또한, 현재 제안되고 있는 무시멘트 기술들은 통상적인 포크랜드 시멘트와의 단순 강도 비교에만 치중되고 있으나 제조에 따른 2차 오염등은 고려되지 않는 근원적인 문제점이 있다.
In addition, currently proposed cementless technologies are focused on only simple strength comparison with a conventional folkland cement, but there is a fundamental problem that secondary pollution due to manufacture is not considered.
상기와 같은 문제점을 해결하고자 창출된 본 발명의 목적은, 이산화탄소 배출없이 강도가 우수한 무시멘트 타입의 친환경 보도블럭 제조방법을 제공하는 것을 목적으로 한다.
An object of the present invention is to provide a method of manufacturing a cushion-type eco-friendly sidewall block having excellent strength without discharging carbon dioxide.
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이와 같은 본 발명의 목적은, 철강 슬래그, 가용성 실리카 및 알칼리 활성석고를 900℃ 이상의 소성로에서 소성시킨 후 5 ~ 10mm의 입경으로 분쇄하여 코어를 준비하고, 준비된 상기 코어에 모래, 자갈, 표면개질된 탄산칼슘 및 무기질 결합제인 폐석회석, 황토 미분, 규산염 유리분말을 배합하여 보도블럭 몰드에 타설하여 형태를 만든 후, 양생하는 단계로 이루어지되, 상기 자갈 100 중량부에 대하여, 상기 모래 20 ~ 50 중량부, 상기 철강 슬래그 20 ~ 35 중량부, 상기 가용성 실리카 3 ~ 7 중량부, 상기 알칼리 활성석고 10 ~ 13 중량부, 상기 폐석회석 7 ~ 13 중량부, 상기 황토 미분 9 ~ 21 중량부, 상기 표면개질된 탄산칼슘 2 ~ 5 중량부 및 상기 규산염 유리분말 5 ~ 15 중량부이고, 상기 모래와 상기 자갈인 주재와 상기 코어의 중량비는 7 : 3이고, 상기 표면개질된 탄산칼슘은 10 ~ 15㎛의 입경의 중탄산칼슘인 것을 특징으로 하는 친환경 보도블럭 제조방법에 의해 달성될 수 있다.
It is an object of the present invention to provide a method for producing a steel slag, which comprises firing a steel slag, a soluble silica and an alkali activated gypsum in a calcining furnace at a temperature of 900 ° C or higher, Calcium carbonate and an inorganic binder such as waste limestone, yellow loess powder, and silicate glass powder are put into a sidewalk block mold to form a shape, and then cured. The sand is blended with 20 to 50 weight 20 to 35 parts by weight of the steel slag, 3 to 7 parts by weight of the soluble silica, 10 to 13 parts by weight of the alkali activated gypsum, 7 to 13 parts by weight of the waste limestone, 9 to 21 parts by weight of the loess fine powder, 2 to 5 parts by weight of the modified calcium carbonate and 5 to 15 parts by weight of the silicate glass powder, the weight ratio of the sand to the core which is the gravel and the core is 7: 3, Syum can be accomplished by a method for producing environmentally friendly press block, characterized in that the calcium bicarbonate in 10 ~ 15㎛ diameter.
이상과 같은 본 발명은 폐석회석, 황토 미분, 탄산칼슘 및 규산염 유리분말로 이루어진 무기질 결합제를 활용하여 모래, 자갈을 포함하는 주재와, 철강 슬래그, 가용성 실리카, 알칼리 활성석고를 포함하는 코어를 소성 결합함으로써 이산화탄소 배출없이 강도가 우수한 무시멘트 타입의 친환경 보도블럭을 제조할 수 있는 효과가 있다.
INDUSTRIAL APPLICABILITY According to the present invention, a core including sand and gravel and a core including steel slag, soluble silica, and alkali activated gypsum are subjected to a plastic bonding process using an inorganic binder composed of waste limestone, loess mineral, calcium carbonate and silicate glass powder It is possible to manufacture a cushion-type eco-friendly sidewall block having excellent strength without discharging carbon dioxide.
이하, 본 발명의 실시예를 참조하여 설명하기로 한다.
Hereinafter, embodiments of the present invention will be described.
콘크리트 조성물Concrete composition
본 발명에 의한 무시멘트 타입의 친환경 보도블럭은 자갈 100 중량부에 대하여, 모래 20 ~ 50 중량부, 철강 슬래그 20 ~ 35 중량부, 가용성 실리카 3 ~ 7 중량부, 알칼리 활성석고 10 ~ 13 중량부, 폐석회석 7 ~ 13 중량부, 황토 미분 9 ~ 21 중량부, 표면개질된 탄산칼슘 2 ~ 5 중량부 및 규산염 유리분말 5 ~ 15 중량부로 구성되어 있다.The cushion-type eco-friendly sidewalk block according to the present invention comprises 20 to 50 parts by weight of sand, 20 to 35 parts by weight of steel slab, 3 to 7 parts by weight of soluble silica, 10 to 13 parts by weight of alkali activated gypsum, 7 to 13 parts by weight of waste limestone, 9 to 21 parts by weight of loess fine powder, 2 to 5 parts by weight of surface-modified calcium carbonate, and 5 to 15 parts by weight of silicate glass powder.
주재(main elements)는 모래와 자갈로 이루어져 있다.The main elements are sand and gravel.
코어는 철강 슬래그, 가용성 실리카, 알칼리 활성석고로 이루어져 있다.The core consists of steel slag, soluble silica and alkali activated gypsum.
무기질 결합제는 폐석회석, 황토 미분, 규산염 유리분말로 이루어져 있다.Mineral binders consist of pulverulent limestone, loess powder, silicate glass powder.
주재와 코어의 중량비는 7 : 3이다.The weight ratio of the core and the core is 7: 3.
또한, 표면개질된 탄산칼슘은 10 ~ 15㎛의 입경의 중탄산칼슘이다. 표면개질된 탄산칼슘은 시멘트 응결성에 있어서 초결시간은 최대 100분, 종결시간은 130분 정도 촉진된다.The surface-modified calcium carbonate is calcium bicarbonate having a particle size of 10 to 15 탆. The surface modified calcium carbonate is accelerated by cement condensation for a maximum of 100 minutes and a termination time of about 130 minutes.
코어는 8.3 ~ 10.0mm의 입경으로 제조되어 주재와 무기질 결합제에 의해 결합되며, 본 발명에 의한 강도의 주요한 인자로서 작용한다.
The core is prepared with a particle diameter of 8.3 to 10.0 mm and bonded by the main material and the inorganic binder, and serves as a principal factor of the strength according to the present invention.
친환경 Eco 보도블럭Sidewalk block 제조 Produce
철강 슬래그, 가용성 실리카 및 알칼리 활성석고를 900℃ 이상의 소성로에서 소성시킨 후 5 ~ 10mm의 입경으로 분쇄하여 코어를 준비하고, 준비된 코어에 모래, 자갈, 표면개질된 탄산칼슘 및 무기질 결합제를 배합하여 보도블럭 몰드에 타설하여 형태를 만든 후, 양생하여 본 발명에 의한 친환경 보도블럭을 제조한다.The steel slag, the soluble silica and the alkali activated gypsum are calcined in a calcining furnace at a temperature of 900 ° C or higher and then ground to a particle size of 5 to 10 mm to prepare a core. Sand, gravel, surface modified calcium carbonate and an inorganic binder are mixed with the prepared core The mold is poured into a block mold to form an eco-friendly sidewall block according to the present invention.
여기서, 본 발명의 친환경 보도블럭을 구성하는 주재, 코어, 표면개질된 탄산칼슘 및 무기질 결합제의 중량부는 전술된 바와 동일한다.
Here, the weight parts of the core, the core, the surface-modified calcium carbonate and the inorganic binder constituting the eco-friendly sidewalk block of the present invention are the same as described above.
실시예Example : 강도 테스트: Strength Test
본 발명에서의 강도 테스트는 일반적인 포크랜트 시멘트를 사용한 콘크리트의 7일 압축강도를 '100'으로 하였을 때를 기준으로 한다.The strength test according to the present invention is based on the assumption that the compressive strength of the concrete using the general folklast cement is set to '100'.
여기서, 본 발명의 실시예는 ① 주재와 코어의 배합비율과 ② 코어의 입경 변화에 따른 강도 테스트이다.
Here, examples of the present invention are (1) a mixing ratio of a core and a core, and (2) a strength test according to a change in particle diameter of the core.
주재와 코어의 배합비율에 따른 강도변화Strength change according to the mixing ratio of core and core
주재와 코어의 배합비율을 변화시키면서 7일 압축강도를 측정하였으며, 이의 결과는 표 1과 같다.The compressive strength was measured at 7 days while varying the mixing ratio of the core and core. The results are shown in Table 1.
표 1을 참조하면, 본 실시예에서 주재의 함량비가 6.5 이하인 경우에는 강도가 포클랜드 시멘트를 사용한 콘크리트에 비하여 강도가 현저하게 낮음을 알 수 있으며, 실시예 6 ~ 실시예 10은 우수한 강도를 나타내고 있다.Referring to Table 1, it can be seen that, in the present embodiment, when the content ratio of the host material is 6.5 or less, the strength is significantly lower than that of concrete using Falkland cement, and Examples 6 to 10 show excellent strength .
여기서, 주재의 함량이 7.5를 초과하는 경우는 그 결과를 나타내지 않았으나 강도가 현저히 저하됨을 알 수 있었다.
Here, when the content of the host material exceeds 7.5, the results are not shown, but the strength is remarkably lowered.
코어 입경 변화에 따른 강도변화Strength change according to core particle size change
코어의 입경을 변화시키면서 7일 압축강도를 측정하였으며, 이의 결과는 표 2와 같다.The compressive strength was measured at 7 days while varying the particle size of the core. The results are shown in Table 2.
표 2를 참조하면, 코어의 입경이 8.0 이하인 경우에는 강도가 포클랜드 시멘트를 사용한 콘크리트에 비하여 강도가 현저하게 낮음을 알 수 있으며, 실시예 15 및 실시예 16은 우수한 강도를 나타내고 있다.Referring to Table 2, it can be seen that when the particle diameter of the core is 8.0 or less, the strength is significantly lower than that of concrete using Falkland cement, and Examples 15 and 16 show excellent strength.
여기서, 코어의 입경이 15mm를 초과하는 경우에는 결과를 나타내지 않았으나 강도가 현저히 저하됨을 알 수 있었다.
Here, when the particle diameter of the core exceeds 15 mm, the result is not shown, but the strength is remarkably lowered.
이상과 같은 본 발명은 일 실시예에 한정되어 설명되었으나, 이에 한정되지 않고 본 발명의 기술적 사상을 토대로 변형되는 실시예들은 모두 본 발명의 권리범위에 속함이 분명하다.While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.
Claims (5)
상기 자갈 100 중량부에 대하여, 상기 모래 20 ~ 50 중량부, 상기 철강 슬래그 20 ~ 35 중량부, 상기 가용성 실리카 3 ~ 7 중량부, 상기 알칼리 활성석고 10 ~ 13 중량부, 상기 폐석회석 7 ~ 13 중량부, 상기 황토 미분 9 ~ 21 중량부, 상기 표면개질된 탄산칼슘 2 ~ 5 중량부 및 상기 규산염 유리분말 5 ~ 15 중량부이고,
상기 모래와 상기 자갈인 주재와 상기 코어의 중량비는 7 : 3이고,
상기 표면개질된 탄산칼슘은 10 ~ 15㎛의 입경의 중탄산칼슘인 것을 특징으로 하는 친환경 보도블럭 제조방법.The steel slag, the soluble silica and the alkali activated gypsum are calcined at a calcination temperature of 900 ° C or higher and then ground to a particle size of 5 to 10 mm to prepare a core. The prepared core is coated with sand, gravel, surface modified calcium carbonate, , Yellow loess powder and silicate glass powder are mixed and poured into a sidewalk block mold to form a shape and then cured.
20 to 50 parts by weight of the sand, 20 to 35 parts by weight of the steel slag, 3 to 7 parts by weight of the soluble silica, 10 to 13 parts by weight of the alkali activated gypsum, 10 to 13 parts by weight of the waste limestone 7 to 13 9 to 21 parts by weight of the loess fine powder, 2 to 5 parts by weight of the surface-modified calcium carbonate and 5 to 15 parts by weight of the silicate glass powder,
The weight ratio of the sand to the core, which is the gravel, and the core is 7: 3,
Wherein the surface-modified calcium carbonate is calcium bicarbonate having a particle size of 10 to 15 占 퐉.
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| KR102308206B1 (en) | 2021-02-18 | 2021-10-06 | 두정산업개발 주식회사 | High perfomance mortar composite for manufacturing boundary block having high strength and durability, manufacturing method of boundary block using the same and constrcuting method of the boundary block using the same |
| KR102641394B1 (en) | 2022-12-14 | 2024-04-29 | 주식회사 삼이씨앤지 | Functional multi-layer sidewalk block composition and its manufacturing method |
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| KR100741637B1 (en) * | 2006-12-01 | 2007-07-20 | 최경득 | Eco-friendly block without cement |
| KR100934366B1 (en) * | 2009-06-29 | 2009-12-30 | 이동우 | Inorganic binder composition for soil solidification and loess mortar and clay brick manufacturing method comprising the composition |
| KR101112719B1 (en) * | 2011-01-20 | 2012-03-13 | 이한재 | The solidification block composition and its manufacturing method that using the sludge and inorganic waste resources |
| KR101185365B1 (en) * | 2012-07-11 | 2012-09-24 | 주식회사 클레이맥스 | Soil block and its manufacturing method |
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| KR100934366B1 (en) * | 2009-06-29 | 2009-12-30 | 이동우 | Inorganic binder composition for soil solidification and loess mortar and clay brick manufacturing method comprising the composition |
| KR101112719B1 (en) * | 2011-01-20 | 2012-03-13 | 이한재 | The solidification block composition and its manufacturing method that using the sludge and inorganic waste resources |
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| KR102641394B1 (en) | 2022-12-14 | 2024-04-29 | 주식회사 삼이씨앤지 | Functional multi-layer sidewalk block composition and its manufacturing method |
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