Fig. 1. Degree of plasticity
Fig. 2. Manufactured specimen
Fig. 3. Direct shear tester
Fig. 4. Friction angle according to sand content
Fig. 5. Cohesion according to sand content
Fig. 6. Friction angle according to passing percentage of No.200 sieve
Fig. 8. Friction angle according to gravel content
Fig. 7. Cohesion according to passing percentage of No.200 sieve
Fig. 9. Cohesion according to gravel content
Fig. 10. Friction angle according to various soils
Fig. 11. Cohesion according to various soils
Fig. 12. Friction angle on SM specimen
Fig. 14. Friction angle on ML specimen
Fig. 13. Cohesion on SM specimen
Fig. 15. Cohesion on ML specimen
Fig. 16. Friction angle on GM specimen
Fig. 18. Elastic modulus of sandy soils
Fig. 17. Cohesion on GM specimen
Fig. 19. Elastic modulus on σ=49.1 kPa (sandy soils)
Fig. 20. Elastic modulus of clayey soils
Fig. 21. Elastic modulus on σ=19.6 kPa (clayey soils)
Table 1. Direct shear test of various soils
Table 2. Shear strength of soils(compare with design gist of road)
References
- Byung Ki Park, Moon Soo Lee, Gwon Su Kang, Jae Hyeok Yang, 1996, A Shear Properties of Decomposed Granite Soil, Journal of The Korean Society of Civil Engineers (III) (In Korean).
- Ja Yeong Jeong, 2002, Comparison of Shear Parameters using Different Direct Shear Tests, Master's thesis. Jeonnam National University (In Korean).
- Jae Hyeok Yang, 1997, A Study on Shear Strength Properties of Decomposed Granit Soil, Master's thesis, Chonnam National University (In Korean).
- Jeong Geun Jeong, 2015, A Study on the Characteristics of Shear Strength Parameters of Various Soils, Doctoral dissertation, Changwon University (In Korean).
- Miura, N. and O-hara, S. 1979, Particle-crushing of a Decomposed Granite Soils under Shear Stresses, Soils and foundations, Vol, 19, NO. 3, pp. 1-14. https://doi.org/10.3208/sandf1972.19.3_1
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Moon Soo Lee, Kwang Chan Lee, 1999, An Evaluation of Shear Strength Parameters (c,
$\varphi$ ) for Weathering Decomposed Granite Soil, Journal of the Korean Geotechnical Society, Vol. 15, No. 2, pp.181-194 (In Korean). - Murata, H., Hyodo, M., & Yasufuku, N., 1988, Compression and Shear Characteristics of Undisturbed Weathered Residual Soil Masado, Proc. of Int. Conf. on Engineering Problems of Residual Soils, pp. 643-648.
- Onitsuka, K., & Yoshitake, S., 1985, Mechanical Properties and Strength Anisotropy of Decomposed Granite Soils, Soils and Foundation, Vol. 25, No. 2, pp. 14-30. https://doi.org/10.3208/sandf1972.25.2_14
- Yong Hwan Choi, Gwang Chan Lee, Jong Ryeol Kim, Byeong Gi Park, 1999, Shear Strength Characteristics of Undisturbed Decomposed Granite Soil under Variations of Normal Stress, Journal of The Korean Society of Civil Engineers (II) (In Korean).