KR101038796B1 - Water-permeable composition using bottom ash - Google Patents
Water-permeable composition using bottom ash Download PDFInfo
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- KR101038796B1 KR101038796B1 KR20090057419A KR20090057419A KR101038796B1 KR 101038796 B1 KR101038796 B1 KR 101038796B1 KR 20090057419 A KR20090057419 A KR 20090057419A KR 20090057419 A KR20090057419 A KR 20090057419A KR 101038796 B1 KR101038796 B1 KR 101038796B1
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/10—Burned or pyrolised refuse
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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
- 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
- C04B28/08—Slag cements
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- 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
Abstract
본 발명은 바텀애쉬를 이용한 도로 포장용 투수성 조성물로서, 보다 상세하게는 결합재로서 무시멘트 알카리 합성 결합재와 슬래그시멘트, 바텀애쉬, 폐석고, 황토 및 유동화제를 포함하는 바텀애쉬를 이용한 도로 포장용 투수성 조성물로, 바텀애쉬 100중량부에 대하여 결합재 22∼63중량부, 폐석고 0.4∼0.6중량부, 황토 0.15∼0.25중량부, 유동화제 0.15∼0.25중량부를 혼합하여 이루어진다.The present invention is a water-permeable composition for road pavement using bottom ash, more specifically, a water-permeable composition for road pavement using bottom ash including cement cement composite binder and slag cement, bottom ash, waste gypsum, loess and fluidizing agent as a binder. It is made by mixing 22 to 63 parts by weight of binder, 0.4 to 0.6 parts by weight of waste gypsum, 0.15 to 0.25 parts by weight of ocher, and 0.15 to 0.25 parts by weight of a fluidizing agent based on 100 parts by weight of bottom ash.
바텀애쉬, 무시멘트 알카리 결합재, 폐석고, 황토, 유동화제 Bottom Ash, Cement Alkali Binder, Waste Gypsum, Ocher, Glidant
Description
본 발명은 바텀애쉬를 이용한 도로 포장용 투수성 조성물로서, 보다 상세하게는 결합재로서 무시멘트 알카리 합성 결합재와 슬래그시멘트, 바텀애쉬, 폐석고, 황토 및 유동화제를 포함하는 것을 특징으로 하는 바텀애쉬를 포함하는 도로 포장용 투수성 조성물에 관한 것이다. The present invention is a water-permeable composition for road pavement using bottom ash, and more specifically, a bottom ash comprising a cement cement composite binder and slag cement, bottom ash, waste gypsum, loess and fluidizing agent as a binder. A water permeable composition for road pavement.
일반적으로 도로 등에 사용되는 콘크리트 포장은 투수성이 미흡하기 때문에 배수시설이 미비한 곳에서는 우천시에 도로면에 고인 물로 인하여 사고 위험이 증가할 뿐만 아니라 물이 땅 속으로 침투하지 못하여 각종 자연환경 문제를 유발하는 문제가 있다. In general, concrete pavement used in roads is poorly permeable, so in a place where drainage is insufficient, the risk of accidents increases due to water accumulated on the road surface in rainy weather, and water does not penetrate into the ground, causing various natural environmental problems. There is a problem.
상기한 문제점을 개선하기 위하여 투수성 콘크리트가 제안되어 활용되고 있다. In order to improve the above problems, water-permeable concrete has been proposed and utilized.
일반적으로 투수성 콘크리트는 잔골재 없이 시멘트, 굵은 골재 및 물 만으로 제조하여 사용하거나, 기능이나 용도에 따라 잔골재, 유동화제, 특수 분말 혼화재 등을 사용하여 내부에 공극률이 큰 다공성 구조를 형성시킨 콘크리트를 사용한다. 그러나 이러한 다공성 구조 때문에 압축강도, 휨강도 및 내구성이 저하되고, 다량으로 포함된 굵은 골재 때문에 상대적으로 비중이 커지게 되어 호안블록이나 어초 등의 대형 블록제품에 적용시 운반 등의 어려운 점이 있다. Generally, permeable concrete is manufactured by using only cement, coarse aggregate and water without fine aggregate, or by using fine aggregate, fluidizing agent, special powder admixture, etc. and forming porous structure with large porosity inside depending on function or use. do. However, due to the porous structure, compressive strength, flexural strength and durability are lowered, and due to the coarse aggregate contained in a large amount, the specific gravity becomes relatively large, and when applied to a large block product such as a raft block or a fish pond, there are difficulties in transportation.
이러한 문제로 인하여 최근에는 내구성이나 충격강도 등의 물성을 증가시키기 위하여 섬유물질, 폐타이어 칩 또는 제강슬래그 등 여러 가지 재료들을 혼합함으로써 다양한 특성을 가진 투수성 콘크리트가 제안되고 있다. Due to these problems, recently, permeable concrete having various characteristics has been proposed by mixing various materials such as fiber materials, waste tire chips or steelmaking slag in order to increase the properties such as durability and impact strength.
그러나, 상기와 같이 제안되는 투수성 콘크리트는 결합재로서 일반 포트랜드 시멘트 및 굵은 골재로서 주로 천연골재나 제강 슬래그를 사용하게 되는데, 천연골재를 사용하는 것은 자원고갈 및 자연환경의 훼손 등의 문제로 그 공급이 점차 감소되는 추세에 있으며, 상기 제강슬래그의 경우에는 골재로 사용하기 위해서는 별도의 슬래그 안정화 처리공정을 필요로 하는 단점이 있다. However, the water-permeable concrete proposed as described above is mainly used as a general portland cement and coarse aggregate as a natural aggregate or steelmaking slag, the use of natural aggregate is the supply of resources due to problems such as depletion of resources and deterioration of the natural environment. This tends to decrease gradually, and in the case of the steelmaking slag, there is a disadvantage in that a separate slag stabilization process is required in order to use the aggregate.
따라서, 본 발명의 목적은 상기와 같은 종래의 문제점들을 해결하기 위한 것으로서, 환경오염문제의 유발 또는 추가적인 공정이 필요하지 않고 도로 포장용 골재로 통기성이 우수하고, 보온, 보냉성이 우수하며, 수명이 반 영구적인 바텀애쉬를 대체골재로 이용하여 투수성이 우수할 뿐만 아니라, 내구성, 강도 등 물성이 우수한 바텀애쉬를 이용한 투수성 조성물을 제공하기 위한 것이다.Therefore, an object of the present invention is to solve the conventional problems as described above, it is excellent in breathability, excellent thermal insulation, cold insulation, lifespan as a road pavement aggregate without causing any environmental pollution problems or additional processes By using a semi-permanent bottom ash as an alternative aggregate to provide a permeable composition using the bottom ash excellent in water permeability as well as excellent durability, strength and physical properties.
상기 목적을 달성하기 위한 본 발명에 따른 바텀애쉬를 이용한 도로 포장용 투수성 조성물은 바텀애쉬 100중량부에 대하여 결합재 22∼63중량부, 폐석고 0.4∼0.6중량부, 황토 0.15∼0.25중량부, 유동화제 0.15∼0.25중량부를 혼합하여 이루어지는 것을 특징으로 한다.Permeable composition for road pavement using the bottom ash according to the present invention for achieving the above object is 22 to 63 parts by weight of binder, 0.4 to 0.6 parts by weight of waste gypsum, 0.15 to 0.25 parts by weight of ocher, fluidizing agent It is characterized by consisting of 0.15 to 0.25 parts by weight.
또, 본 발명에 따른 도로 포장용 투수성 조성물에 있어서, 상기 바텀애쉬는 입경 0.2∼2.0㎜인 바텀애쉬 7∼13중량부, 입경 2.0∼5.0㎜인 바텀애쉬 13∼20중량부, 입경 5.0∼18.0㎜인 바텀애쉬 70∼80 중량부를 혼합하여 되는 것을 특징으로 한다.In the water-permeable composition for road pavement according to the present invention, the bottom ash is 7 to 13 parts by weight of bottom ash having a particle diameter of 0.2 to 2.0 mm, 13 to 20 parts by weight of bottom ash having a particle size of 2.0 to 5.0 mm, and a particle diameter of 5.0 to 18.0. 70 to 80 parts by weight of the bottom ash, which is mm, is mixed.
또, 본 발명에 따른 도로 포장용 투수성 조성물에 있어서, 상기 결합재는 무(無)시멘트 알카리 합성 결합재와 슬래그 시멘트인 것을 특징으로 한다.In addition, in the water-permeable composition for road pavement according to the present invention, the binder is characterized in that the cement-free alkaline composite binder and slag cement.
또, 본 발명에 따른 도로 포장용 투수성 조성물에 있어서, 상기 무(無)시멘트 알카리 합성 결합재는 상기 바텀애쉬 100중량부에 대하여 20∼23중량부를 혼합하는 것을 특징으로 한다.In the water-permeable composition for road pavement according to the present invention, the cementless alkaline composite binder is mixed with 20 to 23 parts by weight based on 100 parts by weight of the bottom ash.
또, 본 발명에 따른 도로 포장용 투수성 조성물에 있어서, 상기 슬래그 시멘트는 상기 바텀애쉬 100중량부에 대하여 2∼4중량부를 혼합하는 것을 특징으로 한다.In the permeable composition for road pavement according to the present invention, the slag cement is characterized by mixing 2 to 4 parts by weight with respect to 100 parts by weight of the bottom ash.
또한, 상기 목적을 달성하기 위한 본 발명에 따른 바텀애쉬를 이용한 도로 포장용 투수성 조성물은 입경 0.2∼2.0㎜인 바텀애쉬 4∼7중량부, 입경 2.0∼5.0㎜인 바텀애쉬 13∼20중량부를 혼합하여 되는 바텀애쉬 100중량부에 대하여 무(無)시멘트 알카리 합성 결합재 5∼10중량부, 슬래그시멘트 2∼3중량부, 폐석고 0.4∼0.6중량부, 황토 0.15∼0.2중량부, 유동화제 0.15∼0.25중량부를 혼합하여 되는 제1투 수성조성물과, 입경 0.2∼2.0㎜인 바텀애쉬 3∼6중량부, 입경 5.0∼18.0㎜인 바텀애쉬 70∼80 중량부를 혼합한 바텀애쉬 100중량부에 대하여 무(無)시멘트 알카리 합성 결합재 10∼30중량부, 슬래그시멘트 3∼4중량부, 폐석고 0.4∼0.6중량부, 황토 0.15∼0.25중량부, 유동화제 0.15∼0.25중량부를 혼합한 제2투수성조성물로 되며, 상기 제2투수성조성물을 도로면 상부에 두께 70∼80㎜가 되도록 포장하고, 상기 제2투수성조성물의 포장면 상부에 상기 제1투수성조성물을 20∼30㎜의 두께가 되도록 포장하여 사용하는 것을 특징으로 한다.In addition, the water-permeable composition for road pavement using the bottom ash according to the present invention for achieving the above object is 4 to 7 parts by weight of bottom ash having a particle diameter of 0.2 to 2.0 mm, 13 to 20 parts by weight of bottom ash having a particle diameter of 2.0 to 5.0 mm 5 to 10 parts by weight of cementless synthetic composite binder, 2 to 3 parts by weight of slag cement, 0.4 to 0.6 parts by weight of waste gypsum, 0.15 to 0.2 parts by weight of ocher, and 0.15 to 0.25 parts by weight of fluidizing agent To 1 part by weight of the first water-permeable composition mixed with parts by weight, 3 to 6 parts by weight of bottom ash having a particle diameter of 0.2 to 2.0 mm, and 70 to 80 parts by weight of bottom ash having a particle diameter of 5.0 to 18.0 mm, Cement alkaline composite binder 10-30 parts by weight, slag cement 3-4 parts by weight, waste gypsum 0.4-0.6 parts by weight, ocher 0.15-0.25 parts by weight, 0.15-0.25 parts by fluidizing agent is mixed into a second permeable composition The thickness of the second permeable composition on the upper surface of the road; Packaging such that 80㎜, and the second permeability of the first water-permeable composition to the top surface of the packaging composition is characterized by using the packaging so as to have a thickness of 20~30㎜.
본 발명에 따른 바텀애쉬를 이용한 투수성 조성물은 바텀애쉬 자체에 공극이 형성되어 있어 도로 포장 후, 미세먼지 등의 침착에 의해 골재사이사이에 형성되는 공극이 막힘에도 우수한 투수성을 유지하게 되는 효과가 있다.The water-permeable composition using the bottom ash according to the present invention has an effect in which pores are formed in the bottom ash itself and thus excellent water permeability is maintained even when the pores formed between the aggregates are clogged by deposition such as fine dust after paving the road. There is.
또한, 본 발명은 통상 사용되는 시멘트를 결합재로 사용하지 않음으로써 도로표면의 마모현상에 따른 시멘트의 미세 먼지화에 따른 환경오염이 발생하지 않으며, 통상의 골재를 사용한 시멘트나 아스팔트 등에 비하여 우수한 마찰력을 가지고 있어, 도로의 교차로 등에 시공시에 우수한 마찰력에 의해 자동차의 제동거리가 짧아지는 효과를 얻게 된다. In addition, the present invention does not use the cement used as a binder as a binder, the environmental pollution caused by the fine dust of the cement according to the wear phenomenon of the road surface does not occur, and excellent frictional force compared to cement or asphalt using a conventional aggregate It has the effect that the braking distance of the vehicle is shortened by the excellent frictional force when constructing at the intersection of roads and the like.
이하, 본 발명을 보다 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail.
본 발명에 사용되는 바텀애쉬는 통상 사용되는 천연골재의 대체제로 사용함으로써 자원고갈 문제를 해결하면서 별도의 추가적인 공정없이 투수성을 향상시킬 수 있다. Bottom ash used in the present invention can improve the permeability without using additional additional process while solving the problem of resource depletion by using as an alternative to the conventional natural aggregate.
상기 바텀애쉬는 석탄화력발전소의 보일러 저부의 호퍼에서 배출된 분립상 또는 괴상의 비정질 무지질 성분으로 통계에 따르면, 우리나라는 1987년 이후 매년 꾸준히 증가하여 2007년도에는 그 발생량이 약 1,500,000톤에 이른다.According to the statistics, the bottom ash is a granular or bulk amorphous amorphous component discharged from the hopper bottom of the coal-fired power plant. According to statistics, in Korea, the bottom ash has increased steadily every year since 1987, and the generation amount is about 1,500,000 tons.
이렇게 생산되는 바텀애쉬는 자체적인 기공이 형성되어 있어 통기성이 우수하고, 보온·보냉성이 우수하며 수명이 반영구적이어서 최근 들어 경량골재로 그 사용용도가 다양하게 개발되고 있다. 그 예로써, 보강토 블럭, 호안블럭, 방음패널, 보도블럭, 경계석, 주차블럭 등 콘크리트 2차 제품을 제조하는데 주로 사용된다. The bottom ash produced in this way has its own pores, which is excellent in breathability, excellent in keeping warm and cold, and semi-permanent in life. Recently, various uses of light ash aggregate have been developed. For example, it is mainly used to manufacture concrete secondary products such as reinforced earth block, revetment block, soundproof panel, sidewalk block, boundary seat, parking block.
또한, 무게가 가벼워 경량골재로 아주 우수한 성질을 가지고 있으며, 최근에는 여러 가지의 우수한 물리적 성질을 감안하여 친환경적인 골재로서 콘크리트 포장용 골재로서 사용되고 있다. In addition, it is light weight and has very excellent properties as a lightweight aggregate, and in recent years has been used as an aggregate for concrete pavement as an environmentally friendly aggregate in consideration of various excellent physical properties.
표 1은 본 발명에서 사용되는 바텀애쉬의 성분을 나타내고, 표 2는 본 발명에서 사용되는 바텀애쉬의 물리적 특성을 나타낸다.Table 1 shows the components of the bottom ash used in the present invention, Table 2 shows the physical properties of the bottom ash used in the present invention.
(㎏/㎥)Unit weight
(Kg / ㎥)
또한, 본 발명에서 사용되는 바텀애쉬 골재와 천연골재의 특성을 비교하여 보면 하기 표 3과 같다.In addition, when comparing the characteristics of the bottom ash aggregate and natural aggregate used in the present invention is shown in Table 3.
상기 표에서 보는 바와 같이, 본 발명에 사용되는 바텀애쉬는 천연골재에 비해 결코 뒤떨어지지 않는 물리적 특성을 가지는 것을 알 수 있다.As shown in the table, it can be seen that the bottom ash used in the present invention has a physical property that is inferior to natural aggregate.
상기에서 설명되는 바텀애쉬를 사용하여 완성되는 본 발명의 바텀애쉬를 이용한 투수성 조성물은 바텀애쉬에 결합재, 폐석고, 황토 및 유동화제를 혼합하여 이루어진다. The water-permeable composition using the bottom ash of the present invention completed using the bottom ash described above is made by mixing the bottom ash with a binder, waste gypsum, loess and fluidizing agent.
본 발명에 의하면, 상기 결합재는 상기 바텀애쉬 100중량부에 대하여 22∼27중량부를 혼합하는 것이 바람직하다. 만일 22중량부 미만을 혼합할 경우에는 경량골재로 사용되는 바텀애쉬의 결합력이 떨어지는 단점이 있고, 27중량부를 초과하여 혼합할 경우에는 결합재에 의해 골재와 골재 사이에 형성되는 공극의 최소화로 투수성이 저하되는 단점이 있다. According to the present invention, the binder is preferably mixed with 22 to 27 parts by weight based on 100 parts by weight of the bottom ash. If less than 22 parts by weight of the mixing of the bottom ash used as a lightweight aggregate has a disadvantage of dropping, when mixing more than 27 parts by weight of water permeability by minimizing the gap formed between the aggregate and the aggregate by the binder This has the disadvantage of deteriorating.
본 발명에서 사용되는 상기 결합재는 무(無)시멘트 알카리 합성 결합재와 슬래그 시멘트를 혼합하여 사용하며, 상기 무(無)시멘트 알카리 합성 결합재는 상기 바텀애쉬 100중량부에 대하여 20∼23중량부를 혼합하는 것이 바람직하며, 상기 슬래그 시멘트는 상기 바텀애쉬 100중량부에 대하여 2∼4중량부를 혼합하는 것이 바람직하다. The binder used in the present invention is used by mixing a cement-free alkali composite binder and slag cement, the cement-free alkaline composite binder is 20 to 23 parts by weight based on 100 parts by weight of the bottom ash Preferably, the slag cement is preferably mixed 2 to 4 parts by weight based on 100 parts by weight of the bottom ash.
본 발명에서 사용되는 폐석고는 바텀애쉬 100중량부에 대하여 0.4∼0.6중량부를 혼합하는 것이 바람직하다. Waste gypsum used in the present invention is preferably mixed 0.4 to 0.6 parts by weight with respect to 100 parts by weight of the bottom ash.
본 발명에 사용되는 황토는 바텀애쉬 100중량부에 대하여 0.15∼0.25중량부를 혼합하는 것이 바람직하다. The loess used in the present invention is preferably mixed with 0.15 to 0.25 parts by weight with respect to 100 parts by weight of the bottom ash.
본 발명에 사용되는 유동화제는 본 발명의 조성물의 분산작용을 발휘하여 유동성 및 강도를 대폭 향상시키므로 레미콘 타설이 용이하고, 공기연행성이 없으므로 고강도의 포장재를 얻을 수 있다.The fluidizing agent used in the present invention exhibits a dispersing action of the composition of the present invention, which greatly improves fluidity and strength, so that pouring of ready-mixed concrete is easy and no air entrainment can be obtained, thereby providing a high-strength packaging material.
이는 시공성을 개선하여 작업성 향상시키고, 건조수축에 의한 구조물의 균열을 방지하며, 대폭적인 감수효과와 수밀성 및 내구성을 향상시킴과 동시에 작업시간의 단축 및 마무리 작업을 향상시키는 장점이 있다.This improves workability, improves workability, prevents cracking of the structure by drying shrinkage, greatly improves the water-resistance effect, watertightness and durability, and reduces work time and improves finishing work.
본 발명에 사용되는 유동화제의 혼합량은 상기 바텀애쉬 100중량부에 대하여 0.15∼0.25중량부를 혼합하는 것이 바람직하다. It is preferable to mix 0.15-0.25 weight part of mixing amounts of the fluidizing agent used for this invention with respect to 100 weight part of said bottom ash.
본 발명에 따른 도로 포장용 투수성 조성물의 골재는 입경 0.2∼2.0㎜인 바텀애쉬 7∼13중량부, 입경 2.0∼5.0㎜인 바텀애쉬 13∼20중량부, 입경 5.0∼18.0㎜인 바텀애쉬 70∼80 중량부를 혼합하여 사용한다. The aggregate of the water-permeable composition for road pavement according to the present invention is 7 to 13 parts by weight of bottom ash having a particle diameter of 0.2 to 2.0 mm, 13 to 20 parts by weight of bottom ash having a particle size of 2.0 to 5.0 mm, and bottom ash 70 to 70 with a particle diameter of 5.0 to 18.0 mm. 80 parts by weight of the mixture is used.
본 발명에 따른 도로 포장용 투수성 조성물의 골재는 바람직하게는 입경 0.2∼2.0㎜인 바텀애쉬 4∼7중량부, 입경 2.0∼5.0㎜인 바텀애쉬 13∼20중량부를 혼합한 골재를 이용한 제1투수성조성물과 입경 0.2∼2.0㎜인 바텀애쉬 3∼6중량부, 입경 5.0∼18.0㎜인 바텀애쉬 70∼80 중량부를 혼합한 골재를 이용한 제2투수성조성물로 구성되는 것이 좋다.Aggregate of the water-permeable composition for road pavement according to the present invention is preferably a first permeability using an aggregate of a bottom ash 4-7 parts by weight with a particle diameter of 0.2-2.0 mm, 13-20 parts by weight bottom ash with a particle diameter of 2.0-5.0 mm It is preferable that the composition is composed of a second permeable composition using an aggregate of a mixture of 3 to 6 parts by weight of bottom ash having a particle diameter of 0.2 to 2.0 mm and 70 to 80 parts by weight of bottom ash having a particle diameter of 5.0 to 18.0 mm.
여기서 상기 제1투수성조성물은 입경 0.2∼2.0㎜인 바텀애쉬 4∼7중량부, 입경 2.0∼5.0㎜인 바텀애쉬 13∼20중량부를 혼합하여 되는 바텀애쉬 100중량부에 대하여 무(無)시멘트 알카리 합성 결합재 5∼10중량부, 슬래그시멘트 2∼3중량부, 폐석고 0.4∼0.5중량부, 황토 0.15∼0.2중량부, 유동화제 0.15∼0.2중량부를 혼합하는 것이 바람직하다. Here, the first permeable composition is cementless with respect to 100 parts by weight of bottom ash, which is a mixture of 4 to 7 parts by weight of bottom ash having a particle diameter of 0.2 to 2.0 mm and 13 to 20 parts by weight of bottom ash having a particle diameter of 2.0 to 5.0 mm. It is preferable to mix 5 to 10 parts by weight of the alkaline synthetic binder, 2 to 3 parts by weight of slag cement, 0.4 to 0.5 parts by weight of waste gypsum, 0.15 to 0.2 parts by weight of ocher, and 0.15 to 0.2 parts by weight of a fluidizing agent.
상기 제2투수성조성물은 입경 0.2∼2.0㎜인 바텀애쉬 3∼6중량부, 입경 5.0∼18.0㎜인 바텀애쉬 70∼80 중량부를 혼합한 바텀애쉬 100중량부에 대하여 무(無)시멘트 알카리 합성 결합재 10∼30중량부, 슬래그시멘트 3∼4중량부, 폐석고 0.4∼0.6중량부, 황토 0.15∼0.25중량부, 유동화제 0.15∼0.25중량부를 혼합하는 것이 바람직하다. The second permeable composition is a cement-free alkali synthesis based on 100 parts by weight of bottom ash mixed with 3 to 6 parts by weight of bottom ash having a particle diameter of 0.2 to 2.0 mm and 70 to 80 parts by weight of bottom ash having a particle diameter of 5.0 to 18.0 mm. It is preferable to mix 10 to 30 parts by weight of binder, 3 to 4 parts by weight of slag cement, 0.4 to 0.6 parts by weight of waste gypsum, 0.15 to 0.25 parts by weight of ocher, and 0.15 to 0.25 parts by weight of fluidizing agent.
상기와 같이 구성되는 본 발명에 따른 투수성 조성물은 시공시, 상기 제2투수성조성물을 다져진 바닥면에 적정 두께가 되도록 포장하고, 상기 제2투수성조성물의 상부 면에 상기 제1투수성조성물을 적정 두께로 포장하여 사용한다. The water-permeable composition according to the present invention configured as described above is packaged to have a suitable thickness on the bottom surface of the second permeable composition during construction, the first permeable composition on the upper surface of the second permeable composition Use to pack in proper thickness.
이때, 상기 제2투수성조성물로 되는 하부 층은 70∼80㎜의 두께가 되도록 포장하는 것이 바람직하고, 상기 제1투수성조성물로 되는 상부 층은 20∼30㎜의 두께가 되도록 포장하여 사용하는 것이 바람직하다. In this case, the lower layer of the second permeable composition is preferably packaged to have a thickness of 70 to 80 mm, and the upper layer of the first permeable composition is packaged and used to have a thickness of 20 to 30 mm. It is preferable.
만일, 상기 제1투수성조성물의 두께가 30㎜ 이상인 경우에는 본 발명에서 목적으로 하는 투수성을 얻기 어려운 단점이 있다.If the thickness of the first permeable composition is 30 mm or more, there is a disadvantage in that it is difficult to obtain the permeability of the present invention.
또한, 상기 제2투수성조성물의 두께가 80㎜이상의 두께를 가질 경우 굵은 골재로 인하여 표면이 매끄럽지 못하여 미관상 좋지 않게 된다.In addition, when the thickness of the second permeable composition has a thickness of 80 mm or more, the surface may not be smooth due to the coarse aggregate, resulting in poor aesthetic appearance.
한편, 본 발명에 사용되는 무(無)시멘트 알카리 합성 결합재는 대한민국등록특허 제10-0855686호에 개시된 것을 사용하는 것이 바람직하다. 이에 따르면, 상기 무(無)시멘트 알카리 합성 결합재는 고로슬래그, 플라이애쉬 및 메타카올린 등 산업부산물에 알카리성 무기질 재료를 적정 첨가한 것으로, 종래 포틀랜드 시멘트의 문제점인 이산화탄소의 방출을 획기적으로 줄일 수 있어 친환경적일 뿐만 아니라 그 특성도 우수한 알카리 활성 결합재이다. On the other hand, the cementless alkali composite binder used in the present invention is preferably used that disclosed in Republic of Korea Patent No. 10-0855686. According to this, the cementless alkaline composite binder is an appropriate addition of an alkaline inorganic material to industrial by-products such as blast furnace slag, fly ash and metakaolin, and can significantly reduce the emission of carbon dioxide, which is a problem of conventional portland cement, and is environmentally friendly. It is an alkaline active binder with excellent properties as well.
이하에서는 본 발명에 따른 투수성 조성물의 바람직한 실시예를 상세히 설명한다.Hereinafter, a preferred embodiment of the water permeable composition according to the present invention will be described in detail.
이하의 실시예는 본 발명의 내용을 구체적으로 설명하기 위한 것일 뿐, 본 발명의 권리범위를 제한하는 것은 아니며, 본 발명의 상기 및 그 밖의 목적과 새로운 특징은 본 명세서의 실시예와 비교예 등에 기재된 내용에 의해 더욱 명확하게 될 것이다.The following examples are only intended to specifically describe the contents of the present invention, and are not intended to limit the scope of the present invention, the above and other objects and novel features of the present invention, such as examples and comparative examples of the present specification. The description will be made clearer.
[실시예][Example]
규격별로 선별한 바텀애쉬, 무(無)시멘트 알카리 합성 결합재, 슬래그시멘트, 폐석고, 황토 및 유동화제를 준비하고 각각 일정량으로 혼합한 혼합물을 준비하고, 물/혼합물 비가 약 0.4가 되도록 하여 투수성 조성물의 시편을 제조하였다. Water-permeable composition prepared by mixing bottom ash, cementless alkaline synthetic binder, slag cement, waste gypsum, loess and fluidizing agent selected by specifications, and mixing them in a predetermined amount, respectively, and having a water / mixture ratio of about 0.4 A specimen of was prepared.
투수성 조성물의 시편에 대하여 KS F 2405에 따라 압축강도(28일 양생강도)를 측정하였고, 투수계수의 측정은 KS F 2322에 의한 방법으로 투수계수를 측정하였다. For the specimen of the permeable composition, the compressive strength (28-day curing strength) was measured according to KS F 2405, and the permeability coefficient was measured by the method according to KS F 2322.
표 4는 본 발명에 따른 투수성 조성물의 상세한 배합비율과 양생된 시편의 압축강도 및 투수계수의 측정결과를 나타내고 있다.Table 4 shows the result of measuring the compounding ratio of the water permeable composition according to the present invention and the compressive strength and water permeability coefficient of the cured specimen.
구분
division
W/C
W / C
압축
강도
(㎏/㎠)
compression
burglar
(Kg / cm2)
투수계수
(㎝/sec)
Permeability coefficient
(Cm / sec)
폐석고
Waste gypsum
황토
ocher
유동화제
Glidants
(㎜)0.2-2.0
(Mm)
(㎜)2.0 to 5.0
(Mm)
(㎜)5.0-18
(Mm)
[다른 실시예][Other Embodiments]
본 발명에 따른 다른 실시예는 도 1에서 보는 바와 같이 하부 층(10)을 포장하고 그 위에 상부 층(20)을 포장하기 위한 것이다.Another embodiment according to the invention is for packaging the
도로 포장시에 하부 층(10)을 이루는 부분(두께 70∼80㎜)은 0.2∼2.0㎜와 5.0∼18㎜ 크기의 바텀애쉬 골재를 사용하고, 하부 층(10) 위에 포장하는 상부 층(20)을 이루는 부분(두께 20∼30㎜)은 0.2∼2.0㎜와 2.0∼5.0㎜ 크기의 바텀애쉬 골재를 사용하는 것이다.The portion of the lower layer 10 (thickness 70 to 80 mm) that forms the
다른 실시예에 있어서도 압축강도와 투수계수는 실시예 1 및 실시예 2와 동일한 방법으로 측정하였다.Also in other examples, compressive strength and permeability coefficient were measured in the same manner as in Example 1 and Example 2.
표 5는 본 발명에 따른 투수성 조성물의 다른 실시예의 상세한 배합비율과 양생된 시편의 압축강도 및 투수계수의 측정결과를 나타내고 있다.Table 5 shows a detailed compounding ratio of another embodiment of the water permeable composition according to the present invention and the measurement results of the compressive strength and water permeability coefficient of the cured specimen.
구분
division
W/C
W / C
압축
강도
(㎏/㎠)
compression
burglar
(Kg / cm2)
투수계수
(㎝/sec)
Permeability coefficient
(Cm / sec)
트알카
리합성
결합재City
Tohlka
Resynthesis
Binder
폐석고
Waste gypsum
황토
ocher
유동화제
Glidants
(㎜)0.2-2.0
(Mm)
(㎜)2.0 to 5.0
(Mm)
㎜5.0-18
Mm
실시예 3-1 및 3-2, 실시예 4-1 및 4-2의 압축강도 및 투수계수는 실시예 3-1 또는 실시예 4-1에 의해 이루어진 상부 층과 실시예 3-2 또는 실시예 4-2에 의해 이루어진 하부 층이 양생된 상태의 측정결과를 나타낸다.The compressive strengths and permeability coefficients of Examples 3-1 and 3-2, Examples 4-1 and 4-2 are determined by the upper layer made by Example 3-1 or Example 4-1 and Example 3-2 or The measurement results of the state in which the lower layer made in Example 4-2 were cured are shown.
상기 표 4 및 표 5에 의하면, 본 발명에 따른 바텀애쉬 골재를 이용한 투수성 조성물을 사용하여 포장시공시 압축강도 및 투수성 모두 양호한 결과를 나타내고 있음을 알 수 있다.According to Tables 4 and 5, it can be seen that both the compressive strength and the water permeability during the pavement using the water permeable composition using the bottom ash aggregate according to the present invention showed good results.
상기 실시예 3-1 및 3-2에 의한 도로포장이나 실시예 4-1 및 4-2에 의한 도로포장에 의하면, 상부 층은 바텀애쉬 골재의 크기가 하부 층의 바텀애쉬 골재의 크기보다 작기 때문에 투수성이 하부 층에 비해 떨어지지만 상부 층과 하부 층에 대한 전체적인 투수 계수는 양호한 상태를 나타내고 있다.According to the pavement according to the embodiments 3-1 and 3-2 or the pavement according to the embodiments 4-1 and 4-2, the size of the bottom ash aggregate of the upper layer is smaller than the size of the bottom ash aggregate of the lower layer As a result, the permeability is inferior to that of the lower layer, but the overall coefficient of permeability for the upper and lower layers is in good condition.
그리고 상부 층의 바텀애쉬 골재의 크기가 작기 때문에 도로 표면에서 쌓이는 먼지 등의 입자에 의해 투수계수가 떨어지지 않고, 바텀애쉬 골재에 형성되어 있는 공극에 의해 마찰력이 증가되어 도로의 교차로 등에서 자동차의 제동거리를 충분히 짧게 유지시켜 줄 수 있게 된다.And because the size of the bottom ash aggregate of the upper layer is small, the permeability coefficient does not fall by the dust or the like accumulated on the road surface, and the frictional force is increased by the air gap formed in the bottom ash aggregate, so the braking distance of the car at the intersection of the road, etc. Can be kept short enough.
도 1은 본 발명의 실시예 3 및 실시예 4에 따른 도로 포장의 개념을 보이는 사진1 is a photograph showing the concept of road pavement according to the third and fourth embodiments of the present invention
*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
10 : 하부 층 20 : 상부 층10: lower layer 20: upper layer
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| KR101177890B1 (en) * | 2011-07-08 | 2012-08-28 | 김은령 | Road paving materials having water permeability and paving method using the same |
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