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- W92536712 abstract "This project focuses on a critical investigation into a novel development of theroad subgrade incorporating a pre-hydrated geosynthetic clay liner (RGCL) within aproposed new Encapsulated Road Pavement (ERPS) design system for a Malaysiandifficult ground condition. It studied the effect of static loading on different reinforcedfull scale road pavement model for six (6) months duration. Continuous full scaletesting was conducted at Research Centre for Soft Soil (RECESS Malaysia) located inthe campus site of Kolej Universiti Teknologi Tun Hussein Onn (KUiTTIIO). The testarea consists of very soft clay to a depth of 20 meters (JKR Malaysia, 1987).The new RGCL is expected to act as a barrier that will encapsulate or 'wrap' theimported subgrade layer in order to protect it from the high water table that exists inmost parts of the southern region of Malaysia (the state of Johor). Apart from acting asa barrier to the existing sub-surface / ground water present at the test site, the RGCLwill also function as reinforcement in the road pavement system. The design andapplication of RGCL is expected to reduce settlement and the effect of abrupt structuralfailure to road pavement constructed on soft soil due to traffic loadings. It shouldenhance the performance and prolongs the design life of the road pavement. Laboratorytests on the soil properties and characteristics obtained from the test site were conductedprior to the full-scale trial road embankment construction. Comparisons of differentdesign standards mainly the British and Malaysian Standards were made to understandthe current practiced rural road design concept. Full-scale trial road embankments wereinstrumented with the state of the art monitoring facilities purchased from Canadathrough fundamental research grants (Chapter 5: Field Instrumentation for full scaleresearch).From this project, it may be concluded that rural roads when constructed on softclay with high water table, need to be reinforced and encapsulated with an impermeablelayer so that the subgrade layer may last longer as its intended design life. Water tableand rainfall intensity have an influence on road performance constructed on soft soil. Itwas also found that the ERPS design system performs better or similar to the road whencompared to the unreinforced (Control Section) and geotextile-reinforced (ExistingPractice) road pavement respectively. However, further research such as long termmonitoring of this research project is recommended so that more concrete conclusion onthe behaviour and performance of encapsulated road pavement can be derived.This project contributes in producing reliable, quality rural road pavementdesign and construction on Malaysian soft soil. This will enable its inclusion intocurrent standards and assist in the construction of better and efficient rural roadnetworks whilst gearing the nation towards achieving the Malaysian Vision 2020." @default.
- W92536712 created "2016-06-24" @default.
- W92536712 creator A5010215129 @default.
- W92536712 date "2006-01-01" @default.
- W92536712 modified "2023-09-23" @default.
- W92536712 title "Performance evaluation of encapsulated road pavement on difficult ground condition" @default.
- W92536712 hasPublicationYear "2006" @default.
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