평판재하시험을 통한 투수블록포장 표층 및 기층의 탄성계수 연구 = Evaluation of Elastic Modulus of Permeable Block Pavement Surface and base layers on Plate Load Test

다국어 초록 (Multilingual Abstract)

In this study, the elastic modulus was calculated from the multilayer elasticity theory based on the theory of Boussinesq (1885) by carrying out the plate load test on the surface of the parking type GI & LID permeable block.
In the test results of the flat plate load test on the LID permeable pavement of general type, the load strength was 177kN / ㎡ at the settlement of 2.5mm, the plate used was 30cm in diameter and the 0.3 Poisson's ratio (v) (Kwon, Ki - Chul, Road Engineering), so the modulus of elasticity of the subgrade soils is 18563.16 kPa. In order to estimate the modulus of elasticity of the 25 mm crushed stone aggregate layer existing on the subsoil, the KENLAYER program was used to estimate the elastic modulus of the 25 mm crushed stone aggregate layer based on the result of the plate load test conducted on the 25 mm crushed stone aggregate layer of the general LID permeable pavement. Layer analysis should be performed. At this time, the hearth is semi-infinite ground and the thickness of the aggregate layer is 30 cm. The elastic modulus of the 25mm slag aggregate layer was estimated to be about 43,000kPa.
The thickness of the surface layer of the parking type GI & LID permeable block pavement structure was 80 mm with a permeable block of 80 mm and a support stabilized layer of 30 mm, and the thickness of the openable aggregate layer was set to 800 mm considering the depth of impact . In this case, the modulus of elasticity of the openable concrete aggregate layer is the same as that of the aggregate layer (25 mm crushed stone aggregate layer), as described above. KENLAYER was used to calculate the elastic modulus of the surface layer of the permeable block.
Using elasticity coefficient of pitcher block pavement surface using KENLAYER A1, elasticity coefficient of 104,000 kPa from A4 branch and average of 67500 kPa at A2 and A3 spot over 4 blocks Jehan A1 and A4 elasticity of pavement surface of pavement surface It was confirmed that the coefficient was shown larger than the pitcher block pavement elastic modulus of the A2, A3 branch. It is expected to be useful for future performance evaluation by applying to various permeable packaging materials.
Based on the results of this study, future studies will investigate the characteristics of various pavement materials which are different from other pavement pavement design methods, permeability pavement system, Further research should be conducted to reflect this.

목차 (Table of Contents)

• Ⅰ. 서론 1
• 1. 연구 배경 1
• 2. 연구 목적 및 내용 4
• Ⅱ. 투수블록포장 시험단면 6
• 1. 한국 GI&LID 연구센터 6
• 2. 투수블록포장 단면 및 시공사항 9
• Ⅲ. 평판재하시험 13
• 1. 평판재하시험을 이용한 투수 블록포장 구조체 성능 평가 13
• 2. 일반형 LID 투수성 포장 개립도 골재층 평판재하시험 14
• 3. 주차장형 GI&LID 투수 블록포장 표층 평판재하시험 17
• Ⅳ. 투수블록포장 탄성계수 해석 22
• 1. 평판재하시험의 영향깊이 22
• 2. 탄성해석 24
• 3. 투수블럭포장의 각층의 탄성계수 해석 26
• 4. 결과 고찰 29
• Ⅴ. 결론 31