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Strength Assessment of Quarry Dust Treated Soil—Reclaimed Asphalt Pavement (Rap) Mixture
An experimental and quantitative investigation into the properties of laterite soil stabilized with reclaimed asphalt pavement and quarry dust for pavement layers was carried out. Preliminary tests done on the lateritic soil classified it as clayey gravel of intermediate plasticity with sand according to the Unified Soil Classification System. Hence, there is a need to be stabilized for use as pavement layers. The optimal percentage of quarry dust required to stabilize the soil was determined as 30% from the laboratory investigations. The quantity of quarry dust was maintained constant and its combined effect with reclaimed asphalt on the laterite was investigated based on the compaction characteristics, Atterberg limits, particle size distribution, unconfined compressive strength and California bearing ratio tests. The results obtained were analyzed quantitively and blends containing soil, 30% quarry dust, and 35, 40, 45 and 50% of reclaimed asphalt pavement were found to meet the properties of G30 material suitable for subbase layers according to the General Specifications for Roads and Bridges (2004) of the Ministry of Works, Housing and Communication in Uganda.
Strength Assessment of Quarry Dust Treated Soil—Reclaimed Asphalt Pavement (Rap) Mixture
An experimental and quantitative investigation into the properties of laterite soil stabilized with reclaimed asphalt pavement and quarry dust for pavement layers was carried out. Preliminary tests done on the lateritic soil classified it as clayey gravel of intermediate plasticity with sand according to the Unified Soil Classification System. Hence, there is a need to be stabilized for use as pavement layers. The optimal percentage of quarry dust required to stabilize the soil was determined as 30% from the laboratory investigations. The quantity of quarry dust was maintained constant and its combined effect with reclaimed asphalt on the laterite was investigated based on the compaction characteristics, Atterberg limits, particle size distribution, unconfined compressive strength and California bearing ratio tests. The results obtained were analyzed quantitively and blends containing soil, 30% quarry dust, and 35, 40, 45 and 50% of reclaimed asphalt pavement were found to meet the properties of G30 material suitable for subbase layers according to the General Specifications for Roads and Bridges (2004) of the Ministry of Works, Housing and Communication in Uganda.
Strength Assessment of Quarry Dust Treated Soil—Reclaimed Asphalt Pavement (Rap) Mixture
Lecture Notes in Civil Engineering
Tutumluer, Erol (editor) / Nazarian, Soheil (editor) / Al-Qadi, Imad (editor) / Qamhia, Issam I.A. (editor) / Cakuru, Mildred (author) / Tenywa, Rajab Katuntu (author) / Jjuuko, Samuel (author) / Kalumba, Denis (author)
2021-08-31
11 pages
Article/Chapter (Book)
Electronic Resource
English
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