Use of Crushed Concrete Aggregate Waste in Stabilization of Clayey Soils for Sub Base Pavement Construction

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dc.contributor.authorKashoborozi, O.
dc.contributor.authorAturinda, E.
dc.contributor.authorJjuuko, S.
dc.contributor.authorKalumba, D.
dc.date.accessioned2020-01-29T10:09:49Z
dc.date.accessioned2021-12-22T10:20:34Z
dc.date.available2020-01-29T10:09:49Z
dc.date.available2021-12-22T10:20:34Z
dc.date.issued2017
dc.descriptionThis is a proceeding paper presented at the 9th South African Young Geotechnical Engineers Conference, 13, 14 & 15 September 2017 – Salt Rock Hotel, Dolphin Coast, Durban, KwaZulu-Natal 523 on the Use of Crushed Concrete Aggregate Waste in Stabilization of Clayey Soils for Sub Base Pavement Construction.en_US
dc.description.abstractThe research aimed at stabilizing lateritic soils, using crushed concrete aggregates from demolished buildings, foundations, roads and other structures, for use as sub-base for a paved road. Lateritic soils were sampled along the Mukono-Jinja Highway from a borrow pit owned by Stirling Company LTD. Crushed concrete aggregate wastes were fairly angular and strong as they showed comparative values to the fresh aggregates as earlier researched. The lateritic soils were blended with different percentages of waste aggregates 0%, 30%, 40% and 50%, chosen basing on previous studies. The study looked at properties such as grading and flakiness of the waste aggregates, grading, atterberg limits, Optimum Moisture Content, Maximum Dry Density and 4 day soaked California Bearing Ratio for the stabilized and un-stabilized material. Mix designs with 40 % and 50 % of the waste aggregates were considered suitable for use as sub base material. They had CBR of 46 and 59, respectively, at 95 % relative compaction and PI values of 13.64 and 11.40. These met the specified standards of a CBR equal or greater than 45 and PI equal or less than 14 according to the general specifications of Ministry of Works, Housing and Communications (2004).en_US
dc.identifier.citationO. Kashoborozi et al. Use of Crushed Concrete Aggregate Waste in Stabilization of Clayey Soils for Sub Base Pavement Construction. Proceedings of the 9th South African Young Geotechnical Engineers Conference,13, 14 & 15 September 2017 – Salt Rock Hotel, Dolphin Coast, Durban, KwaZulu-Natal 523en_US
dc.identifier.urihttps://hdl.handle.net/20.500.11951/862
dc.language.isoenen_US
dc.publisher9th South African Young Geotechnical Engineers Conference, 13, 14 & 15 September 2017en_US
dc.subjectLateritic Soilsen_US
dc.subjectConcrete aggregateen_US
dc.subjectClayed Soilsen_US
dc.subjectPavement constructionen_US
dc.titleUse of Crushed Concrete Aggregate Waste in Stabilization of Clayey Soils for Sub Base Pavement Constructionen_US
dc.typeOtheren_US
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