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Current Trends in Science and Technology

an Open Access Publication ISSN: 0976-9730 | 0976-9498

Engineering and Technology

Conduct of Caliche-Topped Road by Using Geosynthetics

Sajad Ahmad Mir, Esar Ahmad
1M. Tech., Transportation Engineering, Mewar University, Rajasthan, India. 2Department of Civil Engineering, Mewar University, Rajasthan, India.
Online First: May 20, 2018
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Abstract

Use of geosynthetics results in significant savings, improved performance and very good serviceability in both short term and long term.  Geosynthetics have made it possible to construct roads and pavements in seemingly difficult situations such as marshy stretches, soft and organic deposits and in expansive soil areas. The different functions of the geotextile are separation, filtration, reinforcing and drainage. The introduction of the geotextile in the weak subgrade helps to enhance the strength of the subgrade. The strength of the subgrade is increased by dissipation of the pore pressure within the subgrade. The design of unpaved roads can be done more economically when the gain in strength on the sub base due to pore pressure dissipation while traffic loads is taken into account. So, in this paper, the behaviour of unpaved road is studied by conducting the tests simulating the traffic by application of load of known parameters. The pore pressure response and the shear strength variations in the subgrade soil are observed during the application of the load over an unpaved road section. The influence of the type of geotextile on the function of separation and reinforcement has been observed by conducting the tests with different kinds of geosynthetics.


 

Keyword : Unpaved road, Geosynthetic, separation & reinforcement.

  Submitted
May 20, 2018
Published
May 20, 2018
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References

1. Puri, V. K., Yen, S. C., Das, B. M., and Yeo, B. (1993). Cyclic Load- Induced Settlement of a Square Foundation on Geogrid- Reinforced Sand, Geotextiles and Geomembranes,Vol. 12, pp. 587-597. 2. Collin, J. G., Kinney, T. C. and Fu, X. (1996). Full scale highway load test of flexible pavement systems with geogrid reinforced base courses, Geosynthetics International, Vol. 3, pp. 537-549. 3. Bourdeau, P. L., Chapius, J. and Holtz, R. D. (1988). Effect of anchorage and modulus on geotextile –reinforced unpaved roads, Geotextiles and Geomembranes, Vol. 7, pp.221-230 4. Das, B. M. and Shin, E. C. (1994). Strip Foudation on Geogrid-Reinforced Clay: Behaviour Under Cyclic Loading, Geotextiles and Geomembranes, Vol. 13, pp. 657-667. 5. Douglas, R.A. and Kelly, M.A.(1986). Geotextile Reinforced Unpaved Logging Roads: The effect of anchorage, Geotextiles and Geomembranes, Vol. 4, pp. 93-106 6. Frankowska, K. K. (2007). Influence of geosynthetic reinforcement on load- settlement characteristics of two layer subgrade, Geotextiles and Geomembranes, Vol. 25, pp. 366-376. 7. Henry. K. S, (1999). Geotextile reinforcement of Low-bearing capacity clay: Comparison of two design method applicable for Thawing soil, Special report, US army crops of engineers, Cold region research and Engineering laboratory. 8. Göbel, C. H., Weisemann, U. C. and Kirshner, R. A. (1994). Effectiveness of Reinforcing Geogrid in a Railway Subbase under Dynamic Loads, Geotextiles and Geomembranes, Vol. 13, pp. 91-99.
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References

1. Puri, V. K., Yen, S. C., Das, B. M., and Yeo, B. (1993). Cyclic Load- Induced Settlement of a Square Foundation on Geogrid- Reinforced Sand, Geotextiles and Geomembranes,Vol. 12, pp. 587-597.
2. Collin, J. G., Kinney, T. C. and Fu, X. (1996). Full scale highway load test of flexible pavement systems with geogrid reinforced base courses, Geosynthetics International, Vol. 3, pp. 537-549.
3. Bourdeau, P. L., Chapius, J. and Holtz, R. D. (1988). Effect of anchorage and modulus on geotextile –reinforced unpaved roads, Geotextiles and Geomembranes, Vol. 7, pp.221-230
4. Das, B. M. and Shin, E. C. (1994). Strip Foudation on Geogrid-Reinforced Clay: Behaviour Under Cyclic Loading, Geotextiles and Geomembranes, Vol. 13, pp. 657-667.
5. Douglas, R.A. and Kelly, M.A.(1986). Geotextile Reinforced Unpaved Logging Roads: The effect of anchorage, Geotextiles and Geomembranes, Vol. 4, pp. 93-106
6. Frankowska, K. K. (2007). Influence of geosynthetic reinforcement on load- settlement characteristics of two layer subgrade, Geotextiles and Geomembranes, Vol. 25, pp. 366-376.
7. Henry. K. S, (1999). Geotextile reinforcement of Low-bearing capacity clay: Comparison of two design method applicable for Thawing soil, Special report, US army crops of engineers, Cold region research and Engineering laboratory.
8. Göbel, C. H., Weisemann, U. C. and Kirshner, R. A. (1994). Effectiveness of Reinforcing Geogrid in a Railway Subbase under Dynamic Loads, Geotextiles and Geomembranes, Vol. 13, pp. 91-99.
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