재생혼합토(Tire Shred-Sandy Soil Mixture)로 조성된 도로성토구조물의 장기성능

국문 초록 (Abstract)

본 논문에서는 폐타이어 활용 재생혼합토(Tire Shred-Sandy Soil Mixture)로 조성된 도로성토구조물의 장기성능을 평가하고자 현장계측 및 현장시험을 수행하였다. 최대 크기 76㎜의 폐타이어와 사질토를 50 : 50의 체적비로 혼합한 재생혼합토 성토구조물은 도로개통 후 침하, 변형, 온도측면에서 장기적으로 안정된 모습을 보였으며, 특히 FWD 시험결과, 기존 성토재료로 조성된 성토구간의 지지성능과 동등한 수준으로 설계수명을 만족하였다.

다국어 초록 (Multilingual Abstract)

In this paper, the long-term performance of highway embankment using tire shred-sandy soil mixture as a lightweight fill material was evaluated through the field monitoring and field test programs. A tire shred-sandy soil embankment was constructed to support a four-lane highway in Indiana, which was built with a 50 : 50 volumetric ratio of tire shreds (maximum particle dimension of 76 ㎜) and sandy soil (SP, USCS). After opening of the road for traffic, no noticeable differential settlement and lateral deformation were observed, and no adverse environmental impact on temperature was detected as a result of the construction of the tire shred-sandy soil embankment. Moreover, FWD test results showed that tire shred-sandy soil mixture provides bearing capacity comparable to that of conventional fill and meets the criterion for a design life of 20 years.

목차 (Table of Contents)

• ABSTRACT
• 요지
• 1. 서론
• 2. 재생혼합토 성토구조물 시공
• 3. 현장계측
• 4. 현장시험
• 5. 결론
• 감사의 글
• 참고문헌

참고문헌 (Reference)

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3 Engstrom, G.M., "Using Shredded Waste Tires as a Lightweight Fill Material for Road Subgrades" Minnesota Department of Transportation 1-24, 1994

4 Turner-Fairbank Highway Research Center (TFHRC), "User Guidelines for Waste and Byproduct Materials in Pavement Construction, FHWA-RD-97-148, Federal Highway Administration"

5 Wappett, H.L. and Zornberg, J.G, "Thermal Response of a Tire Shred-Soil Embankment"

6 Simm J.D., "Sustainable Re-use of Tyres in Port, Coastal and River Engineering: Guidance for Planning, Implementation and Maintenance" HR Wallingford Ltd. 97-110, 2005

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8 Ahmed, I., "Rubber Soils as Lightweight Geomaterials" Transportation Research Board, National Research Council 61-70, 1993

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13 "Indiana Administrative Code 329 (1996), Solid Waste Management Board, Indiana Department of Environmental Management"

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21 Drescher, A., "Development of Design Guidelines for Use of Shredded Tires as a Lightweight Fill in Road Subgrade and Retaining Walls" University of Minnesota, Minnesota Department of Transportation 45-116, 1994

22 Bosscher, P.J., "Design of Highway Embankments using Tire Chips" ASCE 123 (123): 295-304, 1997

23 Yoon, S., "Construction of a Test Embankment using a Sand-Tire Shred Mixture as Fill Material" 26 (26): 1033-1044, 2006

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26 American Association of State Highway, "AASHTO Guide for Design of Pavement Structures" AASHTO D-1-D-28, 1993