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Assessment of the Cause and Effect of Early Damage of Cobble Stone road Construction and Its Remedial Measurements:A Case of Nekemte Town Cheleleki Sub City

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Journal of Building Material Science 2021年第1期3卷 26-36页

作者： Shiferaw Garoma Wayessa Ayana Abera Beyene Department of Civil Engineering College of Engineering and TechnologyWollega UniversityNekemteEthiopia Department of Surveying Engineering College of Engineering and TechnologyWollega UniversityNekemteEthiopia

road constructing in Ethiopia is increasingly in demand to meet its medium and long term development *** internal roads of Oromia city/town are cobblestone and *** portions along the alignment proposed and existing roads traversed low resistance of the subgrade that affect the stability of the upper layers of *** failure is observed on cobblestone roads,and it would be constructed with good quality or low quality of *** cobblestones Projects have been started in 2014 widely which were filled in most areas today as we observed that needs to be addressed and a corresponding remedial measures must be drawn.A possible counteractive actions had been ordered for every observed destroyed to achieve the standard road situation of the study *** evaluation was made use observation,interviews,laboratory test and field test to govern an appropriateness of *** lie beneath soil used for bottom layers of road structure based on standard of Ethiopian road Authority(ERA)low volume road ***,result from the field test and laboratory test shown,causes of cobblestone road failures of Nekemte street segment were mostly because of the construction steps/sequence,quality of materials,road construction time,absence of appropriate design,quality supervisor,absences of drainage structures,lack of highly compaction,lack of accurately fill fine aggregate and suddenly high loads vehicle applied on cobblestone road.

关键词： cobblestone road Failures Remedial measures Laboratory test

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