The Major Causes of Flexible Pavement Deterioration and Propose Its Remedial Measures: A Case Study Bako to Gedo Road, Oromia Region, Ethiopia

Flexible pavement failure has been a major problem encountered in various countries. Some common distress which had been listed are cracking and rutting. The causes of this distress are due to moisture, weak sub-grades and poor construction quality. High amount of distress in the pavement however is likely to cause dis-comfort for the passengers, higher accident rate and heavy traffic. Study suggested that, flexible pavement failure can be reduce, through maintenance of the wearing course of the pavement, improving the base, sub-base layer or the sub-grade soil underneath of the pavement. However, high production or material cost, high construction cost, excessive settlement, or weak inter-molecular bonds in the flexible pavement are some of the common problem encountered with the current improvement techniques. This significance difference of this review paper compare to other is that, in this review paper it focuses on the flexible pavement failure, the different types of improvement method currently applied. Consequently, it further recommend flexible pavement improvement method through by reducing the sub-base layer thickness and inclusion of light weight material in the sub-base layer so that, the settlement of the pavement is reduced.

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“…Fig. 2 Distress Percentages in Different Roads [5,11,17] Fig. 3 Alligator cracking of high severe level [5] Fig.…”

Section: Flexible Pavement Failuresmentioning

confidence: 99%

A Comprehensive Review of Flexible Pavement Failures, Improvement Methods and its Disadvantages

Tasnim

Shaikh

Sarker

et al. 2021

KEM

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A Review Study on the Performance of Flexible Pavements

Jain¹,

Pandey

Saxena³

2023

Macromolecular Symposia

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Pavements are significant resources of expressway infrastructure. The nation has seen colossal expansion in the vehicle population and expanded hub stacking design during the last decade, leaving its street network overemphasized and prompting untimely disappointment. The kind of weakening present in the asphalt ought to be considered for deciding if it has a useful or underlying inadequacy, so that suitable overlay type and configuration can be created. The structural properties of asphalt are redirection and it is completed by Benkelman Beam & deflectometer test. The evaluation of street conditions is needed to distinguish the explanations behind disintegration before any restoration work is completed. The fundamental boundaries including in the appraisal of street conditions are avoidance and unpleasantness estimation which decided utilizing different test, for example, FWD, Benkelman shaft test, profilometer, and slide obstruction test. This appraisal additionally helps in focusing on the upkeep works as indicated by the necessity. A few procedures are utilized to evaluate the road conditions and contrast and standard standards. In this concentrate on a stretch of road is break down for similar where techniques utilized are visual strategy, Benkelman beam test and slide opposition test. The structural and useful assessment are dissected and created by different specialists. The paper presents an itemized audit of different asphalt exhibitions on primary and utilitarian assessment of adaptable asphalt to inspect the job of components identified with asphalt materials, surface deflection, ecological conditions, sort of traffic and volume of traffic, and to distinguish the constraints and holes in the current information on such examinations.

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Assessment Performance of Flexible Pavements for Surface Deflection Measure by Benkelman Beam Method

Jain¹,

Alheety

Rahul

et al. 2023

Macromolecular Symposia

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The condition of roads assumes significant part since it straightforwardly influence traveler just as cargo traffic. The decayed street having undesired diversion or deficient harshness makes inconvenience rider and may even bring about road mishaps. This insufficiency in road attributes can be classifications as both useful and underlying. The evaluation of street conditions is needed to distinguish the explanations behind disintegration before any restoration work is completed. The fundamental boundaries including in the appraisal of street conditions are avoidance and unpleasantness estimation which decided utilizing different test, for example, FWD, Benkelman shaft test, profilometer, and slide obstruction test. This appraisal additionally helps in focusing on the upkeep works as indicated by the necessity. A few procedures are utilized to evaluate the road conditions and contrast and standard standards. In this concentrate on a stretch of road is break down for similar where techniques utilized are visual strategy, Benkelman beam test, and slide opposition test. Utilizing last two methods, surface diversion and skid resistance is surveyed, and restorative measure are recommended for the road stretch.

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The Major Causes of Flexible Pavement Deterioration and Propose Its Remedial Measures: A Case Study Bako to Gedo Road, Oromia Region, Ethiopia

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A Comprehensive Review of Flexible Pavement Failures, Improvement Methods and its Disadvantages

A Comprehensive Review of Flexible Pavement Failures, Improvement Methods and its Disadvantages

A Review Study on the Performance of Flexible Pavements

Assessment Performance of Flexible Pavements for Surface Deflection Measure by Benkelman Beam Method

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