KR102501733B1 - Asphalt composition for filling hollow portion - Google Patents

Asphalt composition for filling hollow portion Download PDF

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KR102501733B1
KR102501733B1 KR1020200188740A KR20200188740A KR102501733B1 KR 102501733 B1 KR102501733 B1 KR 102501733B1 KR 1020200188740 A KR1020200188740 A KR 1020200188740A KR 20200188740 A KR20200188740 A KR 20200188740A KR 102501733 B1 KR102501733 B1 KR 102501733B1
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pipe
filling
breakwater
composition
asphalt composition
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KR20220096361A (en
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양성린
황성도
백철민
안덕순
안지환
김기현
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한국건설기술연구원
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/26Bituminous materials, e.g. tar, pitch
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use 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
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/26Carbonates
    • C04B14/28Carbonates of calcium
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use 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
    • C04B18/04Waste materials; Refuse
    • C04B18/06Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • C04B18/08Flue dust, i.e. fly ash
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/0076Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4505Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
    • C04B41/4535Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a solution, emulsion, dispersion or suspension
    • C04B41/4543Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a solution, emulsion, dispersion or suspension by spraying, e.g. by atomising
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00663Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/72Repairing or restoring existing buildings or building materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/74Underwater applications
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/003Injection of material
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11Hard structures, e.g. dams, dykes or breakwaters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
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Abstract

본 발명에 따른 방파제 중공부 충전용 아스팔트 조성물은 아스팔트 바인더 16~20 중량%; 13mm 이하의 골재 9~11 중량%; 잔골재 45~55 중량%; 채움재 18~25 중량%;를 포함하되, 아스팔트 바인더는 침입도 등급이 60~80 이고, 채움재는 0.074mm 미만의 크기이며, 소석회 또는 회수더스트 중 적어도 어느 하나가 포함된다.The asphalt composition for filling the hollow of a breakwater according to the present invention includes 16 to 20% by weight of an asphalt binder; 9 to 11% by weight of aggregate of 13 mm or less; 45 to 55% by weight of fine aggregate; 18 to 25% by weight of a filler; however, the asphalt binder has a penetration grade of 60 to 80, the filler has a size of less than 0.074 mm, and includes at least one of slaked lime or recovered dust.

Description

방파제 중공부 충전용 아스팔트 조성물{ASPHALT COMPOSITION FOR FILLING HOLLOW PORTION}Asphalt composition for filling breakwater hollow parts {ASPHALT COMPOSITION FOR FILLING HOLLOW PORTION}

본 발명은 건설분야에 관한 것으로서, 상세하게는 방파제 중공부 충전용 아스팔트 조성물에 관한 것이다.The present invention relates to the field of construction, and more particularly, to an asphalt composition for filling a hollow part of a breakwater.

방파제 등과 같은 항만 시설물의 보수보강은 해수의 오염발생을 최소화 하는 공법이 적용되어야 한다. 지상 구조물의 표면 또는 내하력 증진을 위한 보수 보강은 콘크리트 조성물을 사용하여도 무방하지만 해수에 잠겨있는 구조물의 경우에는 콘크리트 조성물을 사용하기 곤란하다. 이는 시멘트에 의한 해수 오염이 발생하기 때문이다.Repair and reinforcement of port facilities such as breakwaters should be applied with a method that minimizes seawater pollution. It is okay to use a concrete composition to repair and reinforce the surface of a ground structure or to increase load capacity, but it is difficult to use a concrete composition in the case of a structure submerged in seawater. This is because seawater contamination by cement occurs.

그 중 방파제는 태풍 및 파고로 부터 내항을 보호하고, 차량 및 사람의 이동을 위해 설치한 구조물이다. 그러나 장기간 해수에 노출되면서 방파제 내부에 중공부가 발생하고, 중공부의 확장으로 방파제 상면에 균열 및 박리 박락이 발생하는 문제가 있다. 특히 높은 파고에 의한 영향으로 방파제 내부에 공동이 발생하여 구조적 안전성이 떨어지는 문제가 지속적으로 보고되고 있다.Among them, the breakwater is a structure installed to protect the inner harbor from typhoons and waves and to move vehicles and people. However, there is a problem in that a hollow part is generated inside the breakwater as it is exposed to seawater for a long time, and cracks and exfoliation occur on the upper surface of the breakwater due to the expansion of the hollow part. In particular, the problem of poor structural safety due to the occurrence of cavities inside breakwaters due to the influence of high wave heights has been continuously reported.

기존에는 시멘트를 사용하지 않고, 애쉬나 친환경 바인더를 사용하는 콘크리트 조성물을 이용하여 방파제 내부에 발생한 중공부를 충전하였지만 해수에 의한 영향과 지속적인 파랑으로 인해 조성물이 재대로 충전되지 못하는 문제가 있어왔다.Conventionally, a concrete composition using ash or an eco-friendly binder was used to fill the hollow inside the breakwater without using cement, but there was a problem in that the composition could not be filled properly due to the influence of seawater and continuous waves.

본 발명은 상기와 같은 문제를 해결하기 위하여 도출된 것으로서, 해안가 방파제 내부 중공부에 충전재를 용이하게 충전할 수 있는 방파제 중공부 충전용 아스팔트 조성물을 제시한다.The present invention has been derived to solve the above problems, and proposes an asphalt composition for filling the hollow part of a breakwater that can easily fill the hollow part of the coastal breakwater with a filler.

상기 과제의 해결을 위하여, 본 발명에 따른 방파제 중공부 충전용 아스팔트 조성물은 아스팔트 바인더 16~20 중량%; 13mm 이하의 골재 9~11 중량%; 잔골재 45~55 중량%; 채움재 18~25 중량%;를 포함하되, 상기 아스팔트 바인더는 침입도 등급이 60~80 이고, 상기 채움재는 0.074mm 미만의 크기이며, 소석회 또는 회수더스트 중 적어도 어느 하나가 포함된다.In order to solve the above problems, the asphalt composition for filling the hollow of a breakwater according to the present invention includes 16 to 20% by weight of an asphalt binder; 9 to 11% by weight of aggregate of 13 mm or less; 45 to 55% by weight of fine aggregate; 18 to 25% by weight of a filler, wherein the asphalt binder has a penetration grade of 60 to 80, the filler has a size of less than 0.074 mm, and includes at least one of slaked lime or recovered dust.

상기 채움재 / 상기 아스팔트 바인더의 체적비율이 0.5 이하인 것이 바람직하다.It is preferable that the volume ratio of the filling material/the asphalt binder is 0.5 or less.

타설온도가 150~160℃ 이고, 점도가 180~200 Pa·s 인 것이 바람직하다.It is preferable that the pouring temperature is 150 ~ 160 ℃, and the viscosity is 180 ~ 200 Pa·s.

상기 채움재는 겉보기 비중이 2.71~2.75인 것이 바람직하다.The filling material preferably has an apparent specific gravity of 2.71 to 2.75.

격자구조로 형성된 프레임(100); 상기 프레임(100)에 설치된 조성물 수납부(200); 상기 조성물 수납부(200)에 결합된 이송파이프(400); 상기 이송파이프(400)에 결합된 모터부(300); 상기 이송파이프(400)의 단부에 결합된 분사파이프(500); 상기 분사파이프(500)의 단부에 결합된 분출부(600); 상기 이송파이프(400), 상기 분출부(600)를 가열하고, 상기 모터부(300)를 제어하기 위해 상기 프레임에 설치된 제어장치(700);를 포함하는 조성물 분사장치에 의해 타설되는 것이 바람직하다.Frame 100 formed in a lattice structure; A composition storage unit 200 installed in the frame 100; a transfer pipe 400 coupled to the composition accommodating unit 200; a motor unit 300 coupled to the transfer pipe 400; a spray pipe 500 coupled to an end of the transfer pipe 400; a jetting unit 600 coupled to an end of the jetting pipe 500; It is preferable that the injection is performed by a composition injection device including a control device 700 installed on the frame to heat the transfer pipe 400 and the ejection part 600 and control the motor part 300. .

상기 프레임(100)에는 상기 이송파이프(400)와 상기 분사파이프(500)를 청소하기 위한 세척액(B)이 수납되는 세척액수납부(800)가 더 설치되고, 상기 세척액수납부(800)와 상기 이송파이프(400)는 연결파이프(900)에 의해 상호 연결되며, 상기 연결파이프(900)에는 세척액 개폐장치(910)가 설치된 것이 바람직하다.The frame 100 is further provided with a washing liquid storage unit 800 in which a washing liquid B for cleaning the transfer pipe 400 and the spray pipe 500 is stored, and the washing liquid storage unit 800 and the The transfer pipes 400 are interconnected by a connection pipe 900, and it is preferable that a washing liquid opening/closing device 910 is installed in the connection pipe 900.

상기 세척액수납부(800)에는 상기 분출부(600)에 결합되는 분출부 결합파이프(1000)가 더 설치되고, 상기 세척액(B)을 상기 분출부(600)로 투입하여 상기 이송파이프(400)와 상기 분사파이프(500)를 청소하는 것이 바람직하다.In the washing liquid storage unit 800, a jet coupling pipe 1000 coupled to the jet unit 600 is further installed, and the washing liquid B is injected into the jet unit 600 to transfer the pipe 400. It is preferable to clean the spray pipe 500.

상기 이송파이프(400)와 상기 분출부(600)는 상기 아스팔트 조성물(A)의 온도가 유지되도록 가열되는 것이 바람직하다.The transfer pipe 400 and the ejection part 600 are preferably heated to maintain the temperature of the asphalt composition (A).

상기 모터부(300)는 양방향 구동이 가능한 것이 바람직하다.Preferably, the motor unit 300 can be driven in both directions.

상기 모터부(300)는 상기 이송파이프(400)와 상기 분출부 결합파이프(1000)에 공통으로 결합되어 구동되는 것이 바람직하다.The motor unit 300 is preferably driven by being commonly coupled to the transfer pipe 400 and the jet coupling pipe 1000 .

상기 분사파이프 수납부(510)는 상하방향을 축으로 회전구동되어 상기 분사파이프(500)를 감고 푸는 것이 바람직하다.Preferably, the spray pipe accommodating part 510 is rotated in a vertical direction to wind and unwind the spray pipe 500 .

상기 제어장치(700)에는 상기 이송파이프(400)와 상기 분출부(600)를 가열하는 가열제어판이 설치된 것이 바람직하다.It is preferable that a heating control panel for heating the transfer pipe 400 and the ejection part 600 is installed in the control device 700 .

본 발명에 따른 방파제 중공부 충전용 아스팔트 조성물은 아스팔트의 유동성이 분출 후 해수에 노출되어도 유지되고, 점도가 우수하여 해수에 의해 분리되지 않는 장점이 있다.The asphalt composition for filling the hollow of a breakwater according to the present invention has the advantage of maintaining the fluidity of asphalt even when exposed to seawater after ejection, and having excellent viscosity so that it is not separated by seawater.

도 1은 본 발명의 일 실시 예에 따른 아스팔트 조성물의 압축강도 시험 전경
도 2는 본 발명의 일 실시 예에 따른 아스팔트 조성물의 휨강도 시험 전경
도 3은 본 발명의 일 실시 예에 따른 휨강도 시험 전경
도 4는 본 발명의 일 실시 예에 따른 휨강도 시험 전경
도 5는 본 발명의 일 실시 예에 따른 방파제 중공부 충전용 아스팔트 조성물 분사장치 사시도.
도 6은 본 발명의 일 실시 예에 따른 방파제 중공부 충전용 아스팔트 조성물 분사장치 평면도
도 7은 본 발명의 일 실시 예에 따른 방파제 중공부 충전용 아스팔트 조성물 분사장치 후방 사시도
도 8은 본 발명의 일 실시 예에 따른 이송파이프, 분출부 결합파이프, 연결파이프의 설치구조를 나타내는 사시도
도 9는 본 발명의 일 실시 예에 따른 조성물 수납부, 이송파이프, 분사파이프의 결합구조를 나타내는 평면도
도 10은 본 발명의 일 실시 예에 따른 세척액 수납부와 분출부 결합파이프의 설치구조를 나타내는 측면도
도 11은 본 발명의 일 실시 예에 따른 분사파이프가 분사파이프 수납부에 감기는 것을 나타내는 도면
1 is a front view of a compressive strength test of an asphalt composition according to an embodiment of the present invention
Figure 2 is a front view of the flexural strength test of an asphalt composition according to an embodiment of the present invention
3 is a front view of a flexural strength test according to an embodiment of the present invention
4 is a front view of a flexural strength test according to an embodiment of the present invention
5 is a perspective view of an asphalt composition spraying device for filling a hollow part of a breakwater according to an embodiment of the present invention.
6 is a plan view of an asphalt composition spraying device for filling a breakwater hollow according to an embodiment of the present invention
7 is a rear perspective view of an asphalt composition spraying device for filling a breakwater hollow according to an embodiment of the present invention
8 is a perspective view showing an installation structure of a transfer pipe, a spout coupling pipe, and a connecting pipe according to an embodiment of the present invention.
9 is a plan view showing a coupling structure of a composition storage unit, a transfer pipe, and a spray pipe according to an embodiment of the present invention.
10 is a side view showing an installation structure of a washing liquid storage unit and a jet unit coupling pipe according to an embodiment of the present invention.
11 is a view showing that the injection pipe according to an embodiment of the present invention is wound around the injection pipe receiving portion.

본 발명에 의한 방파제 중공부 충전용 아스팔트 조성물의 실시 예를 첨부도면을 참조하여 상세히 설명하기로 하며, 첨부 도면을 참조하여 설명함에 있어, 동일하거나 대응하는 구성 요소는 동일한 도면 번호를 부여하고 이에 대한 중복되는 설명은 생략하기로 한다.An embodiment of the asphalt composition for filling the hollow of a breakwater according to the present invention will be described in detail with reference to the accompanying drawings, and in the description with reference to the accompanying drawings, the same or corresponding components are assigned the same reference numbers Redundant descriptions will be omitted.

또한, 이하 사용되는 제1, 제2 등과 같은 용어는 동일 또는 상응하는 구성 요소들을 구별하기 위한 식별 기호에 불과하며, 동일 또는 상응하는 구성 요소들이 제1, 제2 등의 용어에 의하여 한정되는 것은 아니다.In addition, terms such as first and second used below are only identification symbols for distinguishing the same or corresponding components, and the same or corresponding components are not limited by terms such as first and second. no.

또한, 결합이라 함은, 각 구성 요소 간의 접촉 관계에 있어, 각 구성 요소 간에 물리적으로 직접 접촉되는 경우만을 뜻하는 것이 아니라, 다른 구성이 각 구성 요소 사이에 개재되어, 그 다른 구성에 구성 요소가 각각 접촉되어 있는 경우까지 포괄하는 개념으로 사용하도록 한다.In addition, coupling does not mean only the case of direct physical contact between each component in the contact relationship between each component, but another configuration intervenes between each component so that the component is in the other configuration. It should be used as a concept that encompasses even the case of contact with each other.

이하, 첨부표 및 도면을 참조하여 본 발명의 일 실시 예에 따른 방파제 중공부 충전용 아스팔트 조성물에 관하여 상세히 설명한다.Hereinafter, an asphalt composition for filling a hollow portion of a breakwater according to an embodiment of the present invention will be described in detail with reference to the accompanying tables and drawings.

본 발명에 따른 방파제 중공부 충전용 아스팔트 조성물은 아스팔트 바인더 16~20 중량%; 13mm 이하의 골재 9~11 중량%; 잔골재 45~55 중량%; 채움재 18~25 중량%;를 포함하되, 아스팔트 바인더는 침입도 등급이 60~80 이고, 채움재는 0.074mm 미만의 크기이며, 소석회 또는 회수더스트 중 적어도 어느 하나가 포함된다. 이때 채움재/아스팔트 바인더의 체적비율이 0.5 이하인 것이 바람직하다.The asphalt composition for filling the hollow of a breakwater according to the present invention includes 16 to 20% by weight of an asphalt binder; 9 to 11% by weight of aggregate of 13 mm or less; 45 to 55% by weight of fine aggregate; 18 to 25% by weight of a filler; however, the asphalt binder has a penetration grade of 60 to 80, the filler has a size of less than 0.074 mm, and includes at least one of slaked lime or recovered dust. At this time, it is preferable that the volume ratio of the filler/asphalt binder is 0.5 or less.

본 발명에 따른 방파제 중공부 충전용 아스팔트 조성물은 타설온도가 150~160℃ 이고, 점도가 180~200 Pa·s 인 것이 바람직하다. The asphalt composition for filling the breakwater hollow portion according to the present invention preferably has a pouring temperature of 150 to 160 ° C and a viscosity of 180 to 200 Pa·s.

본 발명에 혼합되는 채움재는 겉보기 비중이 2.71~2.75인 것이 바람직하다.The filling material mixed in the present invention preferably has an apparent specific gravity of 2.71 to 2.75.

본 발명에서 13mm 이하의 골재를 사용한 것은 조성물의 점도는 유지하되, 압축강도와 휨강도를 향상시키기 위함이다. The use of aggregates of 13 mm or less in the present invention is to improve the compressive strength and flexural strength while maintaining the viscosity of the composition.

밀도는 아래 식을 이용하여 산출된다.Density is calculated using the formula below.

Figure 112020143850175-pat00001
Figure 112020143850175-pat00001

여기서 here

η = 점도(Pa.s) η = Viscosity (Pa.s)

ρ = 겉보기 밀도(kg/m3)ρ = apparent density (kg/m 3 )

g = 중력가속도(m/s2)g = acceleration due to gravity (m/s 2 )

t = 빠져나오는 시간(sec.) 이다. t = exit time (sec.).

본 발명에서 점도, 겉보기 비중을 한정한 것은 해수 중에 타설되어도 유실되지 않고, 중공부에 골고루 충전되도록 하기 위한 최적 배합을 구현한 결과이다.The limitation of the viscosity and apparent specific gravity in the present invention is the result of implementing an optimal formulation so that the hollow part is evenly filled without loss even when poured into seawater.

특히 (채움재/아스팔트 바인더)의 체적비율이 0.5 이상일 경우, 점도가 상승하게 된다. 본원발명은 점도를 180~200 Pa·s 로 한정하기 위해 13mm 이하의 골재 9~11 중량%, 잔골재 45~55 중량%, 채움재 18~25 중량%의 배합비를 산정하고, 채움재의 겉보기 비중을 한정하였다.In particular, when the volume ratio of (filler/asphalt binder) is 0.5 or more, the viscosity increases. In order to limit the viscosity to 180 to 200 Pa s, the present invention calculates the mixing ratio of 9 to 11% by weight of aggregate, 45 to 55% by weight of fine aggregate, and 18 to 25% by weight of filler material of 13 mm or less, and limits the apparent specific gravity of the filler material. did

아래 표 1은 실시예의 배합비 구성을 나타낸 것이다.Table 1 below shows the composition of the compounding ratio of the examples.

아스팔트asphalt 채움재Filler 잔골재fine aggregate 13mm 이하 골재Aggregate less than 13mm 실시예 1Example 1 1616 1818 5656 1010 실시예 2Example 2 1616 2222 5252 1010 실시예 3Example 3 1616 2525 4949 1010 실시예 4Example 4 2020 1818 5252 1010 실시예 5Example 5 2020 2222 4848 1010 실시예 6Example 6 2020 2525 4545 1010

실시예 1~6에 대한 점도 시험은 도 3과 4에 도시하였다. 아스팔트 함유량이 높은 실시예 4,5,6이 실시예 1,2,3보다 점도가 낮은 특성을 확인할 수 있다.Viscosity tests for Examples 1 to 6 are shown in FIGS. 3 and 4. It can be confirmed that Examples 4, 5, and 6 having a high asphalt content have lower viscosity characteristics than Examples 1, 2, and 3.

아울러, 도 1과 도 2에 도시된 바와 같이 실시예 1~6의 배합비로 방파제 중공부 충전용 아스팔트 조성물을 제조하고, 압축강도와 휨강도 시험을 실시하여 기준물성과 비교하였다.In addition, as shown in FIGS. 1 and 2, an asphalt composition for filling the hollow of a breakwater was prepared at the mixing ratio of Examples 1 to 6, and a compressive strength and flexural strength test was performed to compare the reference physical properties.

아래 표 2는 실시예 1~6에 대한 압축강도와 휨강도 시험결과를 요약한 것이다.Table 2 below summarizes the compressive strength and flexural strength test results for Examples 1 to 6.

항만 및 어항설계기준에는 아스팔트 혼합물의 기초 물성을 비중 1.95 이상, 압축강도 1N/㎟, 휨강도 1N/㎟, 휨변형량 5mm 이상으로 규정하고 있다.Harbor and fish tank design standards stipulate basic physical properties of asphalt mixture as specific gravity 1.95 or more, compressive strength 1N/㎟, bending strength 1N/㎟, and bending deformation amount 5mm or more.

구분division 비중importance 압축강도
(N/㎟)
compressive strength
(N/㎟)
휨강도
(N/㎟)
flexural strength
(N/㎟)
휨변형량
(mm)
Bending deformation amount
(mm)
실시예 1Example 1 2.1522.152 3.03.0 3.73.7 11.611.6 실시예 2Example 2 2.1772.177 3.53.5 3.13.1 12.512.5 실시예 3Example 3 2.1542.154 2.62.6 3.33.3 15.115.1 실시예 4Example 4 2.1522.152 3.33.3 3.83.8 9.99.9 실시예 5Example 5 2.0312.031 1.91.9 1.91.9 11.611.6 실시예 6Example 6 2.1192.119 2.52.5 2.22.2 14.814.8

시험결과 실시예 1~6은 모두 항만 및 어항설계기준의 샌드아스팔트 설계기준을 만족하는 것으로 확인되었다.As a result of the test, it was confirmed that Examples 1 to 6 all satisfied the sand asphalt design criteria of the harbor and fish tank design criteria.

본 발명에 따른 방파제 중공부 충전용 아스팔트 조성물은 격자구조로 형성된 프레임(100); 프레임(100)에 설치된 조성물 수납부(200); 조성물 수납부(200)에 결합된 이송파이프(400); 이송파이프(400)에 결합된 모터부(300); 이송파이프(400)의 단부에 결합된 분사파이프(500); 분사파이프(500)의 단부에 결합된 분출부(600); 이송파이프(400), 분출부(600)를 가열하고, 모터부(300)를 제어하기 위해 프레임에 설치된 제어장치(700);를 포함하는 조성물 분사장치에 의해 타설되는 것이 바람직하다.The asphalt composition for filling the hollow of a breakwater according to the present invention includes a frame 100 formed in a lattice structure; Composition storage unit 200 installed in the frame 100; A transfer pipe 400 coupled to the composition storage unit 200; A motor unit 300 coupled to the transfer pipe 400; a spray pipe 500 coupled to an end of the transfer pipe 400; A jetting unit 600 coupled to an end of the jetting pipe 500; The transfer pipe 400, heating the ejection unit 600, and the control device 700 installed on the frame to control the motor unit 300; is preferably poured by a composition injection device comprising a.

도 5과 같은 구성으로 조성물 분사장치가 형성된다. 모터부(300)의 경우, 이송파이프(400)에 연결되어 조성물 수납부(200)에 충전된 방파제 중공부 충전용 아스팔트 조성물(A)을 이동시킨다. A composition injector is formed with the configuration shown in FIG. 5 . In the case of the motor unit 300, it is connected to the transfer pipe 400 and moves the asphalt composition (A) for filling the hollow part of the breakwater filled in the composition storage unit 200.

이때, 이송파이프에는 수동으로 개폐되는 수동개폐장치(410)가 도6와 같은 위치에 설치될 수 있다.At this time, a manual opening/closing device 410 that is manually opened and closed may be installed in the transfer pipe at a position as shown in FIG. 6 .

프레임(100)에는 이송파이프(400)와 분사파이프(500)를 청소하기 위한 세척액(B)이 수납되는 세척액수납부(800)가 더 설치되고, 세척액수납부(800)와 이송파이프(400)는 연결파이프(900)에 의해 상호 연결되며, 연결파이프(900)에는 세척액 개폐장치(910)가 설치된 것이 바람직하다.In the frame 100, a washing liquid storage unit 800 is further installed in which the washing liquid B for cleaning the transfer pipe 400 and the spray pipe 500 is stored, and the washing liquid storage unit 800 and the transfer pipe 400 are connected to each other by a connecting pipe 900, and it is preferable that a washing liquid opening/closing device 910 is installed on the connecting pipe 900.

방파제 중공부 충전용 아스팔트 조성물은 점도가 낮은 아스팔트 조성물이기 때문에 장비사용 후 신속하게 세척하여야 바인더에 의한 장비손상을 최소화 할 수 있다.Since the asphalt composition for filling the hollow part of the breakwater is a low-viscosity asphalt composition, damage to the equipment caused by the binder can be minimized by promptly washing the equipment after use.

이때, 세척액수납부(800)에는 분출부(600)에 결합되는 분출부 결합파이프(1000)가 더 설치되고, 세척액(B)을 분출부(600)로 투입하여 이송파이프(400)와 분사파이프(500)를 청소하는 것이 바람직하다.At this time, a jet unit coupling pipe 1000 coupled to the jet unit 600 is further installed in the washing liquid storage unit 800, and the washing liquid B is injected into the jet unit 600 so that the transfer pipe 400 and the spray pipe It is desirable to clean 500.

도 6과 같이 세척액수납부(800)에는 이송파이프(400)와 분사파이프(500)를 세척하도록 분출부(600)와 결합되는 분출부 결합파이프(1000)와 이송파이프(400)에 결합된 연결파이프(900)가 형성되어 있습니다.As shown in FIG. 6, in the washing liquid storage unit 800, the jet unit coupling pipe 1000 coupled to the jet unit 600 and the transport pipe 400 are coupled to the jet unit 600 to clean the transport pipe 400 and the jetting pipe 500. A pipe 900 is formed.

이때 세척액(B)은 모터부(300)의 구동에 의해 관 내부로 이송된다.At this time, the washing liquid (B) is transported into the pipe by driving the motor unit 300 .

이송파이프(400)와 분출부(600)는 아스팔트 조성물(A)의 온도가 유지되도록 가열되는 것이 바람직하다.The transfer pipe 400 and the ejection part 600 are preferably heated to maintain the temperature of the asphalt composition (A).

이송파이프(400)와 분출부(600)는 열 전도율이 좋은 재질로 제작되되, 열선이 결합되어 발열된다. 특히 분출부(600)는 해수면에 잠긴 상태로 아스팔트 조성물(A)이 분사될 수 있으므로 관의 길이를 적어도 30cm 이상으로 제작하여 운영하는 것이 바람직하다.The transfer pipe 400 and the ejection part 600 are made of a material with good thermal conductivity, and hot wires are coupled to generate heat. In particular, since the jetting unit 600 can spray the asphalt composition (A) while submerged in the sea level, it is preferable to manufacture and operate the tube with a length of at least 30 cm or more.

분사파이프(500)는 유연한(flexible) 재질로서, 상하방향을 축으로 분사파이프 수납부(510)에 감기는 것이 바람직하다.The spray pipe 500 is a flexible material, and is preferably wound around the spray pipe accommodating part 510 in the vertical direction.

분사파이프(500)는 분사파이프 수납부(510)에 의해 도 1, 2와 같은 구조로 감기고 풀릴 수 있다. 이때 분사파이프 수납부(510)는 수동 또는 자동으로 회전할 수 있고, 분사파이프 수납부(510)의 회전 구동에 의해 분사파이프(500)가 감기고 풀리게 된다.The spray pipe 500 can be wound and unwound in the structure shown in FIGS. 1 and 2 by the spray pipe accommodating unit 510 . At this time, the injection pipe accommodating unit 510 may be rotated manually or automatically, and the injection pipe 500 is wound and unwound by the rotational driving of the injection pipe accommodating unit 510 .

이송파이프(400)는 탈착이 가능한 구조로서, 분리 후 세척되는 것이 바람직하다. 장치에 연결된 이송파이프(400)는 탈착이 가능한 구조로서, 세밀한 세척을 위해 분리되고 재결합될 수 있다.The transfer pipe 400 has a detachable structure and is preferably washed after separation. The transfer pipe 400 connected to the device has a detachable structure and can be separated and recombined for detailed cleaning.

뿐만아니라 시공중 막힘현상이 발생할 결우에는 현장에서 즉시 교체하여 사용할 수도 있다.In addition, if clogging occurs during construction, it can be replaced immediately on site.

모터부(300)는 양방향 구동이 가능한 것이 바람직하다. 이는 세척액(B)을 이용하여 파이프를 세척할 때 양 방향으로 세척액(B)을 이동시켜 세척의 효과를 극대화 하기 위함이다.The motor unit 300 is preferably capable of bi-directional driving. This is to maximize the cleaning effect by moving the cleaning liquid (B) in both directions when cleaning the pipe using the cleaning liquid (B).

모터부(300)는 이송파이프(400)와 분출부 결합파이프(1000)에 공통으로 결합되어 구동되는 것이 바람직하다.The motor unit 300 is preferably driven by being commonly coupled to the transfer pipe 400 and the ejection unit coupling pipe 1000 .

분사파이프 수납부(510)는 상하방향을 축으로 회전구동되어 분사파이프(500)를 감고 푸는 것이 바람직하다.It is preferable that the spray pipe accommodating unit 510 is rotationally driven in the vertical direction to wind and unwind the spray pipe 500 .

제어장치(700)에는 이송파이프(400)와 분출부(600)를 가열하는 가열제어판이 설치된 것이 바람직하다.It is preferable that a heating control panel for heating the transfer pipe 400 and the ejection part 600 is installed in the control device 700 .

A : 아스팔트 조성물 B : 세척액
h : 천공홀 10 : 방파제
11 : 중공부 100 : 프레임
200 : 조성물 수납부 300 : 모터부
400 : 이송파이프 500 : 분사파이프
510 : 분사파이프 수납부 600 : 분출부
700 : 제어장치 800 : 세척액
900 : 연결파이프 910 : 세척액 개폐장치
1000 : 분출부 결합파이프
A: Asphalt composition B: Washing liquid
h: drilling hole 10: breakwater
11: hollow part 100: frame
200: composition storage unit 300: motor unit
400: transfer pipe 500: injection pipe
510: injection pipe storage unit 600: ejection unit
700: control device 800: washing liquid
900: connecting pipe 910: washing liquid opening and closing device
1000: Jet coupling pipe

Claims (12)

아스팔트 바인더 16~20 중량%;
13mm 이하의 골재 9~11 중량%;
잔골재 45~55 중량%;
채움재 18~25 중량%;를 포함하되,
상기 아스팔트 바인더는 침입도 등급이 60~80 이고,
상기 채움재는 0.074mm 미만의 크기이며, 소석회 또는 회수더스트 중 적어도 어느 하나가 포함되되,
상기 채움재 / 상기 아스팔트 바인더의 체적비율이 0.5 이하이고,
타설온도가 150~160℃ 이며, 점도가 180~200 Pa·s 임과 아울러,
상기 채움재는 겉보기 비중이 2.71~2.75 인 것을 특징으로 하는 방파제 중공부 충전용 아스팔트 조성물.
Asphalt binder 16-20% by weight;
9 to 11% by weight of aggregate of 13 mm or less;
45 to 55% by weight of fine aggregate;
18 to 25% by weight of the filler; including,
The asphalt binder has a penetration grade of 60 to 80,
The filling material has a size of less than 0.074 mm and includes at least one of slaked lime or recovered dust,
The volume ratio of the filler / the asphalt binder is 0.5 or less,
The pouring temperature is 150 ~ 160 ℃, the viscosity is 180 ~ 200 Pa · s,
The filling material has an apparent specific gravity of 2.71 to 2.75, characterized in that the asphalt composition for filling the hollow part of the breakwater.
삭제delete 삭제delete 삭제delete 제1항에 있어서,
격자구조로 형성된 프레임(100);
상기 프레임(100)에 설치된 조성물 수납부(200);
상기 조성물 수납부(200)에 결합된 이송파이프(400);
상기 이송파이프(400)에 결합된 모터부(300);
상기 이송파이프(400)의 단부에 결합된 분사파이프(500);
상기 분사파이프(500)의 단부에 결합된 분출부(600);
상기 이송파이프(400), 상기 분출부(600)를 가열하고, 상기 모터부(300)를 제어하기 위해 상기 프레임에 설치된 제어장치(700);를 포함하는 조성물 분사장치에 의해 타설되는 것을 특징으로 하는 방파제 중공부 충전용 아스팔트 조성물.
According to claim 1,
Frame 100 formed in a lattice structure;
A composition storage unit 200 installed in the frame 100;
a transfer pipe 400 coupled to the composition accommodating unit 200;
a motor unit 300 coupled to the transfer pipe 400;
a spray pipe 500 coupled to an end of the transfer pipe 400;
a jetting unit 600 coupled to an end of the jetting pipe 500;
Characterized in that it is poured by a composition spraying device comprising a; control device 700 installed on the frame to heat the transfer pipe 400 and the ejection part 600 and control the motor part 300 An asphalt composition for filling a breakwater hollow part.
제5항에 있어서,,
상기 프레임(100)에는 상기 이송파이프(400)와 상기 분사파이프(500)를 청소하기 위한 세척액(B)이 수납되는 세척액수납부(800)가 더 설치되고,
상기 세척액수납부(800)와 상기 이송파이프(400)는 연결파이프(900)에 의해 상호 연결되며, 상기 연결파이프(900)에는 세척액 개폐장치(910)가 설치된 것을 특징으로 하는 방파제 중공부 충전용 아스팔트 조성물.
According to claim 5,
The frame 100 is further provided with a washing liquid storage unit 800 in which a washing liquid B for cleaning the transfer pipe 400 and the spray pipe 500 is stored,
The washing liquid storage unit 800 and the transfer pipe 400 are interconnected by a connection pipe 900, and a washing liquid opening and closing device 910 is installed in the connection pipe 900 for filling the hollow part of the breakwater. asphalt composition.
제6항에 있어서,
상기 세척액수납부(800)에는 상기 분출부(600)에 결합되는 분출부 결합파이프(1000)가 더 설치되고,
상기 세척액(B)을 상기 분출부(600)로 투입하여 상기 이송파이프(400)와 상기 분사파이프(500)를 청소하는 것을 특징으로 하는 방파제 중공부 충전용 아스팔트 조성물.
According to claim 6,
A spouting part coupling pipe 1000 coupled to the spouting part 600 is further installed in the washing liquid storage part 800,
The asphalt composition for filling the breakwater hollow part, characterized in that the washing liquid (B) is injected into the ejection part 600 to clean the transfer pipe 400 and the ejection pipe 500.
제7항에 있어서,
상기 이송파이프(400)와 상기 분출부(600)는 상기 아스팔트 조성물(A)의 온도가 유지되도록 가열되는 것을 특징으로 하는 방파제 중공부 충전용 아스팔트 조성물.
According to claim 7,
The conveying pipe 400 and the ejection part 600 are heated so that the temperature of the asphalt composition (A) is maintained.
제8항에 있어서,
상기 모터부(300)는 양방향 구동이 가능한 것을 특징으로 하는 방파제 중공부 충전용 아스팔트 조성물.
According to claim 8,
The motor unit 300 is a breakwater hollow filling asphalt composition, characterized in that it is possible to drive in both directions.
제9항에 있어서,
상기 모터부(300)는 상기 이송파이프(400)와 상기 분출부 결합파이프(1000)에 공통으로 결합되어 구동되는 것을 특징으로 하는 방파제 중공부 충전용 아스팔트 조성물.
According to claim 9,
The motor unit 300 is commonly coupled to the transport pipe 400 and the jet coupling pipe 1000 and driven, characterized in that the breakwater hollow filling asphalt composition.
제10항에 있어서,
분사파이프 수납부(510)는 상하방향을 축으로 회전구동되어 상기 분사파이프(500)를 감고 푸는 것을 특징으로 하는 방파제 중공부 충전용 아스팔트 조성물.
According to claim 10,
The spray pipe storage unit 510 is rotated in the vertical direction to wind and unwind the spray pipe 500, characterized in that the breakwater hollow filling asphalt composition.
제11항에 있어서,
상기 제어장치(700)에는 상기 이송파이프(400)와 상기 분출부(600)를 가열하는 가열제어판이 설치된 것을 특징으로 하는 방파제 중공부 충전용 아스팔트 조성물.
According to claim 11,
Asphalt composition for filling the breakwater hollow part, characterized in that the control device 700 is provided with a heating control plate for heating the transfer pipe 400 and the ejection part 600.
KR1020200188740A 2020-12-31 2020-12-31 Asphalt composition for filling hollow portion KR102501733B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101654614B1 (en) * 2016-02-03 2016-09-06 삼원환경산업(주) Recycled cold asphalt concrete mixture and construction method therewith
KR102136231B1 (en) * 2019-11-28 2020-07-21 태륭건설(주) Mastic asphalt mixture and construction method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2503161B2 (en) * 1992-05-12 1996-06-05 真和建装株式会社 Asphalt waterproof construction equipment
WO1994004792A1 (en) * 1992-08-19 1994-03-03 Putzmeister-Werk Maschinenfabrik Gmbh Travelling concreting device
KR100624047B1 (en) * 2004-07-29 2006-09-19 박태영 The device and method to control the boiler of an ascon manufacture system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101654614B1 (en) * 2016-02-03 2016-09-06 삼원환경산업(주) Recycled cold asphalt concrete mixture and construction method therewith
KR102136231B1 (en) * 2019-11-28 2020-07-21 태륭건설(주) Mastic asphalt mixture and construction method thereof

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