KR101204994B1 - The road pavememt composition - Google Patents

The road pavememt composition Download PDF

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Publication number
KR101204994B1
KR101204994B1 KR20100043098A KR20100043098A KR101204994B1 KR 101204994 B1 KR101204994 B1 KR 101204994B1 KR 20100043098 A KR20100043098 A KR 20100043098A KR 20100043098 A KR20100043098 A KR 20100043098A KR 101204994 B1 KR101204994 B1 KR 101204994B1
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weight
ash
parts
road
crushed stone
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KR20100043098A
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Korean (ko)
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KR20110123556A (en
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하성민
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로뎀에코그린 주식회사
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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
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/10—Clay
    • 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
    • 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
    • C04B28/04—Portland cements
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/54—Pigments; Dyes
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Dispersion Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Road Paving Structures (AREA)

Abstract

본 발명은 석탄회를 주로 이용한 새로운 노면 안정화층에 관한 것으로서, 보다 상세하게는 석탄회를 이용한 노면 안정화층 및 그 시공 방법에 관한 것이다.
본 발명에 따른 노면 안정화층은 쇄석, 마사토, 황토, 또는 이들의 하나 이상의 혼합물 40-20 중량%, 바탐애시와 플라이애시 혼합물 60-80 중량%로 이루어진 혼합물 100 중량부에 시멘트 8-10 중량부, 물 13-15 중량부 및 소량의 안료를 혼합한 노면 안정화 조성물로 이루어진다.
본 발명에 따른 노면 안정화층은 모래를 사용하는 시멘트 안정처리 기층에 비해서 수축율이 적어 균열에 강하고, 매립되는 석탄회 및 현장토를 재사용할 수 있어 친환경적이다. The present invention relates to a new road stabilization layer mainly using coal ash, and more particularly to a road stabilization layer using coal ash and its construction method.
The road surface stabilization layer according to the present invention is 8-10 parts by weight of cement, 100 parts by weight of a mixture consisting of 40-20% by weight of crushed stone, masato, ocher, or one or more mixtures thereof, 60-80% by weight of batam ash and fly ash mixtures. And 13-15 parts by weight of water and a small amount of pigment.
The road surface stabilization layer according to the present invention has less shrinkage than the cement stabilized base layer using sand, which is resistant to cracking, and can reuse coal ash and field soil embedded in the environment.

Description

쇄석, 플라이애쉬, 및 바탐애쉬로 이루어진 기반용 조성물{THE ROAD PAVEMEMT COMPOSITION} Foundation composition consisting of crushed stone, fly ash and batam ash {THE ROAD PAVEMEMT COMPOSITION}

본 발명은 석탄회를 주로 이용한 새로운 노면 안정화층에 관한 것으로서, 보다 상세하게는 석탄회를 이용한 노면 안정화층 및 그 시공 방법에 관한 것이다.
The present invention relates to a new road stabilization layer mainly using coal ash, and more particularly to a road stabilization layer using coal ash and its construction method.

노면 포장에 사용될 수 있는 다양한 재료들이 다수 연구되고 있다. 특허 10-0773991호에서는 준설토와 시멘트를 이용한 제품이 개발되고 있으며, 10-773991호에서는 플라이애쉬를 이용한 제품들이 개시되어 있다. 특허 900799호에서는 바탐애시와 플라이애쉬를 이용한 현장토와 고화제등을 이용하여 제조한 방식이 개발되고 있다. Many different materials that can be used for pavement are being studied. Patent 10-0773991 discloses a product using dredged soil and cement, and 10-773991 discloses a product using fly ash. In Patent 900799, a method manufactured by using a field soil and a hardener using batam ash and fly ash is developed.

그러나, 제조 공정이 복잡하거나 물성이 요구 조건에 미치지 못해 새로운 제품에 대한 요구가 계속되고 있다. 또한, 석탄회의 색상이 어두워 이에 대한 개선이 요구되고 있다. However, the demand for new products continues because the manufacturing process is complicated or the physical properties do not meet the requirements. In addition, the color of coal ash is dark and there is a need for improvement.

본 발명의 목적은 새로운 기층용 조성물을 제공하는 것이다. It is an object of the present invention to provide a novel base layer composition.

본 발명의 다른 목적은 새로운 보조 기층용 조성물을 제공하는 것이다. Another object of the present invention is to provide a new auxiliary base composition.

본 발명의 또 다른 목적은 새로운 친환경 도로 및 그 시공 방법을 제공하는 것이다. Still another object of the present invention is to provide a new environmentally friendly road and its construction method.

본 발명의 또 다른 목적은 석탄회를 사용하면서도 포장용으로 사용이 가능한 새로운 조성물을 제공하는 것이다. Another object of the present invention is to provide a new composition that can be used for packaging while using coal ash.

본 발명의 조성물은 노면 안정화층은 쇄석, 마사토, 황토, 또는 이들의 하나 이상의 혼합물 20-40 중량%, 바탐애시와 플라이애시 혼합물 60-80 중량%로 이루어진 혼합물 100 중량부에 시멘트 8-10 중량부, 물 13-15 중량부를 혼합한 노면 안정화 조성물로 이루어진다. The composition of the present invention, the surface stabilization layer is 8-10% by weight cement 100% by weight of the mixture consisting of 20-40% by weight of crushed stone, masato, ocher, or one or more mixtures thereof, 60-80% by weight of batam ash and fly ash mixture Part and 13-15 parts by weight of water.

본 발명에 있어서, 상기 쇄석의 입도는 0.08 내지 50 mm의 체번호 범위에서 분포하는 SB-1 계열의 입도를 가지는 것이 좋다. In the present invention, the particle size of the crushed stone preferably has a particle size of the SB-1 series distributed in the body number range of 0.08 to 50 mm.

본 발명에 있어서, 상기 쇄석, 마사토, 황토 또는 이들의 혼합물의 양이 40 중량%를 초과하거나 20중량% 미만일 경우에는 일축 압축 강도가 저하되게 된다. 발명의 바람직한 실시에 있어서, 석탄회와 혼합되는 쇄석, 마사토, 황토 또는 이들의 혼합물이며, 바람직하게는 쇄석을 포함하는 것이 좋고, 보다 좋게는 쇄석을 50중량%, 보다 더 좋게는 쇄석을 70 중량% 이상 포함하고, 가장 바람직하게는 쇄석을 사용하는 것이 좋다. In the present invention, when the amount of the crushed stone, masato, ocher or a mixture thereof is more than 40% by weight or less than 20% by weight, uniaxial compressive strength is lowered. In a preferred embodiment of the invention, it is a crushed stone, masato, ocher or mixtures thereof mixed with coal ash, preferably comprising crushed stone, more preferably 50% by weight of crushed stone and even more preferably 70% by weight of crushed stone. It is good to contain the above and to use crushed stone most preferably.

본 발명에 있어서, 상기 바탐애시와 플라이애시의 혼합물은 9:1-6:4의 중량비로 혼합되며, 상기 범위를 넘어서면, 안정화 기층의 내크랙성이 저하되거나 압축강도의 저하가 발생하게 된다. In the present invention, the mixture of batam ash and fly ash is mixed in a weight ratio of 9: 1-6: 4, and beyond the above range, the crack resistance of the stabilizing base layer decreases or the compressive strength decreases. .

상기 바탐애시는 2-5 mm 범위의 평균입도를 가지는 제품을 분급해서 사용하는 것이 좋으며, 상기 플라이애시는 1.0 - 150 ㎛를 사용하는 것이 좋다. The battam ash may be classified and used as a product having an average particle size in the range of 2-5 mm, and the fly ash may be used at 1.0-150 μm.

본 발명에 있어서, 플라이애시와 바탐애시의 혼합물은 60-80 중량%의 범위로 사용하는 것이 좋다. 상기 범위에서 벗어나면 물리적 특성이 저하되거나 경제적 가치가 저하된다. In the present invention, the mixture of fly ash and batam ash is preferably used in the range of 60-80% by weight. Departing from the above range lowers physical properties or lowers economic value.

본 발명에 있어서, 상기 시멘트는 안정화 조성물의 일축압축강도, 길이 변화 특성을 향상시키기 위해서 사용되며, 시멘트 8-10 중량부의 범위로 사용되는 것이 좋다. In the present invention, the cement is used to improve the uniaxial compressive strength and length change characteristics of the stabilizing composition, it is good to use in the range of 8-10 parts by weight of cement.

본 발명에서 물은 혼합물 100 중량부에 대해서 10-13 중량부로 사용하는 것이 좋다. In the present invention, water is preferably used in 10-13 parts by weight based on 100 parts by weight of the mixture.

본 발명에 있어서, 상기 기반용 조성물은 석탄회의 어두운 색상을 개선하기 위해서 안료를 더 포함하는 것이 바람직하며, 안료의 양은 색상의 발현 정도에 따라 조절할 수 있으며, 예를 들어 0.1-5 중량부의 범위로 사용할 수 있다. In the present invention, it is preferable that the base composition further comprises a pigment in order to improve the dark color of the coal ash, the amount of the pigment can be adjusted according to the degree of expression of the color, for example in the range of 0.1-5 parts by weight Can be used.

본 발명에 의해서, 새로운 노면 조성물이 제공되었다. 이들은 폐기물인 바탐애쉬와 플라이애쉬를 사용하면서도, 골재와 혼합함으로서 서로 균일한 층을 이루어 훌륭한 물성을 가지는 기층재를 제공함으로서, 폐기물 처리 비용을 절감할 수 있으며, 도로 건설에 따른 환경 피해를 최소화 할 수 있게 되었다. By the present invention, a new road surface composition has been provided. They use wastes Batam Ash and Fly Ash, but by mixing them with aggregates, they provide a base material with excellent properties by forming uniform layers with each other, thus reducing waste disposal costs and minimizing environmental damage from road construction. It became possible.

또한, 석탄회의 어두운 색상을 보완할 수 있어, 포장용으로 사용할 수 있다. In addition, the dark color of coal ash can be complemented and used for packaging.

하기 실시예를 통해서, 본 발명을 더욱 상세하게 설명한다. 하기 실시예는 본 발명을 상세하게 설명한 것이지만, 이는 본원 발명을 예시하기 위한 것이며, 어떠한 경우에도 본 발명을 한정하기 위한 것으로 해석되지 않는다. Through the following examples, the present invention will be described in more detail. The following examples illustrate the invention in detail, but are intended to illustrate the invention and in no case to be construed as limiting the invention.

실시예Example

재료material

보통 포틀랜드 시멘트, 3 mm의 평균입경을 가지는 바텀애시, 100 ㎛의 평균 입자를 가지는 플라이애시를 사용하였다. 굵은 골재인 쇄석은 입도가 SB-1을 만족하는 골재를 사용하였다. 시멘트의 비중은 3.15, 바탐애시의 비중은 2.24, 쇄석의 비중은 2.59 이다. Portland cement, bottom ash with an average particle diameter of 3 mm, and fly ash with an average particle size of 100 μm were used. As the coarse aggregate, crushed stone was used aggregate having particle size satisfying SB-1. The specific gravity of cement is 3.15, batam ash is 2.24, and crushed stone is 2.59.

1차 시험1st test

하기 표 1에 기재된 배합율로 시편을 제조하여 일축 압축 강도를 측정하고 결과를 표 1에 나타내었다.Specimens were prepared at the compounding ratios shown in Table 1 below to measure the uniaxial compressive strength and the results are shown in Table 1.

쇄석/BA+FACrushed Stone / BA + FA 시멘트-물Cement-water 응력 (MPa)Stress (MPa)

80/20

80/20
4-34-3 1.31.3 4-54-5 1.31.3 4-74-7 3.73.7 4-104-10 1.41.4
70/30
70/30

5-45-4 1.91.9 5-65-6 1.91.9 5-85-8 3.33.3 5-105-10 0.80.8

60/40

60/40

5-125-12 1.01.0 6-56-5 2.02.0 6-76-7 2.32.3 6-96-9 2.42.4 6-116-11 1.21.2

50/50

50/50

7-77-7 2.02.0 7-97-9 1.81.8 7-117-11 3.83.8 7-137-13 3,23,2 7-147-14 2.42.4

40/60

40/60
8-88-8 2.22.2 8-108-10 2.22.2 8-138-13 4.84.8 8-158-15 1.21.2


30/70


30/70

9-89-8 2.52.5 9-109-10 2.02.0 9-129-12 2.52.5 9-149-14 2.82.8 9-169-16 1.81.8 9-179-17 1.81.8

20/80

20/80

10-1110-11 2.02.0 10-1310-13 1.81.8 10-1510-15 3.63.6 10-1710-17 1.21.2 10-1810-18 1.21.2

2차 시험2nd test

1차 시험 내용을 기준으로 2차 시험을 샘플을 2개씩 제조하여 하기 표 3와 같은 배합으로 실시하였다. Based on the content of the first test, the second test was prepared by two samples, and the formulation was performed as shown in Table 3 below.

시멘트cement 물water 쇄석broken stone 일반모래General sand BA+FABA + FA B1B1 88 1313 4040 -- 6060 B2B2 1010 1515 2020 -- 8080 일반 CTBNormal CTB 77 66 6565 3535 --

쪼갬 인장 강도 시험은 KS F 2423의 규격에 의해 Φ10 x 20cm 원형 실린더를 제조하였으며, 시멘트 안정처리 기층의 기준 양생으로 제조하였다. Split tensile strength tests were made of Φ10 × 20 cm circular cylinders according to the specifications of KS F 2423, and were prepared with the standard curing of cement stabilized substrates.

휨 강도 시험은 KS F 2407의 규격에 의해 7.5x7.5x40 cm 의 빔몰드로 시편을 형성한 후, 시멘트 안정처리 기층의 기준 양생으로 제조하였다. The flexural strength test was made by standard curing of a cement stabilized substrate after the specimen was formed into a beam mold of 7.5x7.5x40 cm according to the standard of KS F 2407.

염소이온 투과에 의한 통과 전하량 시험 측정은 ASTM C1202-91 방식으로 측정하였다. 통과전하량이 4000 C이상이면 높음, 2000-4000이면 중간, 1000-2000은 낮음, 100-1000 매우 낮은, 100 이하는 무시가능으로 평가하였다. Passage charge test measurement by chlorine ion permeation was measured by ASTM C1202-91 method. A high pass charge of 4000 C or higher, a medium of 2000-4000, a low of 1000-2000, a very low 100-1000, and a value of 100 or less were evaluated as negligible.

구분division 실시예 1Example 1 실시예 2Example 2 비교예Comparative example 일축압축강도(MPa)Uniaxial Compressive Strength (MPa) 4.474.47 4.764.76 5.205.20 쪼갬인장강도(MPa)Split tensile strength (MPa) 0.460.46 0.500.50 1.561.56 휨강도(MPa)Flexural strength (MPa) 1.081.08 1.871.87 3.913.91 통과 전하량Passing charge 높음height 높음height 높음height

Claims (3)

쇄석 또는 쇄석을 70 중량% 이상 포함하는 황토나 마사토와의 혼합물 40-20 중량%, 9:1-6:4의 중량비로 혼합된 평균 입경 2-5 mm의 바탐애시와 1.0-150 ㎛의 플라이애시 혼합물 60-80 중량%로 이루어진 혼합물 100 중량부에 시멘트 8-10 중량부, 물 13-15 중량부를 혼합한 것을 특징으로 하는 도로 기반용 조성물.40-20% by weight mixture of ocher or masato containing at least 70% by weight of crushed stone or crushed stone, batam ash with an average particle diameter of 2-5 mm and a ply of 1.0-150 μm mixed in a weight ratio of 9: 1-6: 4 Road-based composition, characterized in that 8-10 parts by weight of cement, 13-15 parts by weight of water is mixed with 100 parts by weight of the mixture consisting of 60-80% by weight of the ash mixture. 쇄석 또는 쇄석을 70 중량% 이상 포함하는 황토나 마사토와의 혼합물 40-20 중량%, 9:1-6:4의 중량비로 혼합된 평균 입경 2-5 mm의 바탐애시와 1.0-150 ㎛의 플라이애시 혼합물 60-80 중량%로 이루어진 혼합물 100 중량부에 시멘트 8-10 중량부, 물 13-15 중량부를 안료와 함께 혼합한 것을 특징으로 하는 도로 포장용 조성물.40-20% by weight mixture of ocher or masato containing at least 70% by weight of crushed stone or crushed stone, batam ash with an average particle diameter of 2-5 mm and a ply of 1.0-150 μm mixed in a weight ratio of 9: 1-6: 4 The road pavement composition, characterized in that 8-10 parts by weight of cement and 13-15 parts by weight of water are mixed with the pigment in 100 parts by weight of the mixture consisting of 60-80% by weight of the ash mixture. 제2항에 있어서, 상기 쇄석의 종류는 SB-1인 것을 특징으로 하는 도로 기반용 조성물. The road foundation composition according to claim 2, wherein the crushed stone is SB-1.
KR20100043098A 2010-05-07 2010-05-07 The road pavememt composition KR101204994B1 (en)

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