EFFECT OF WATER IN AN ASPHALT ROAD PAVEMENT
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TITLE PAGE
EFFECT OF WATER IN AN ASPHALT ROAD PAVEMENT
BY
---
EE/H2013/01430
DEPARTMENT OF ---
INSTITUTE OF ---
DECEMBER,2018
APPROVAL PAGE
This is to certify that the research work, "effect of water in an asphalt road pavement" by ---, Reg. No. EE/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
By
Dr. --- Dr. ---
Supervisor Head of Department.
Signature………………. Signature……………….
……………………………….
Dr. ---
External Invigilator
DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.
ACKNOWLEDGEMENT
The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.
PROJECT DESCRIPTION: This work “effect of water in an asphalt road pavement” research material is a complete and well researched project material strictly for academic purposes, which has been approved by different Lecturers from different higher institutions. We made Preliminary pages, Abstract and Chapter one of “effect of water in an asphalt road pavement” visible for everyone, then the complete material on “effect of water in an asphalt road pavement” is to be ordered for. Happy viewing!!!
Water has lots of adverse effects on pavement performance. In fact, moisture damage in asphalt pavements is global concern. Moisture damage can be defined as the loss of strength and durability in asphalt mixtures caused by the presence of water. Hence, it’s the need to correctly identify the problem and isolate issues of contributing factors like material variability and construction practices for a better understanding of water effect on pavement deterioration. This study has discussed some of major failure mechanisms associated with the presence of water. In addition this study has also summarized some of the widely used methodology for the evaluation of water susceptibility. It was found that the empirical nature of test methods and the inherent variability of the results are the two primary challenges that impede the reliable characterization and assessment of water effect on pavement deterioration.
TABLE OF CONTENTS
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
TABLE OF CONTENT
CHAPTER ONE
- INTRODUCTION
- BACKGROUND OF THE PROJECT
- PROBLEM STATEMENT
- AIM/OBJECTIVE OF THE PROJECT
- SCOPE OF THE STUDY
- PURPOSE OF THE STUDY
CHAPTER TWO
LITERATURE REVIEW2.0 LITERATURE REVIEW
2.1 REVIEW OF THE STUDY
2.2 IMPACT ON CLIMATE CHANGE PREDICTIONS
2.3 WATER EFFECTS ON ASPHALT
2.4 PAVEMENT DESIGN
2.5 MATERIAL SELECTION
2.6 PRODUCTION AND CONSTRUCTION
2.7 UNRAVELLING OF POROUS ASPHALT
2.8 RESISTANCE TO PERMANENT DEFORMATION
CHAPTER THREE
3.1 FUNDAMENTAL CONCEPTS
3.2 MOISTURE DAMAGE THEORIES
CHAPTER FOUR
TEST METHODS TO CHARACTERIZE MOISTURE SENSITIVITY
TESTS ON LOOSE MIXTURES
TESTS ON COMPACTED MIXTURES
CHAPTER FIVE
- CONCLUSIONS
- RECOMMENDATION
5.2 REFERENCES
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
When it comes to paving, Asphalt material is the most popular because of it its quality features it has such as looks good, lasts long, and is generally low maintenance. Moisture damage can be defined as the loss of strength and durability in asphalt mixtures caused by the presence of water. Moisture damage is induced by the loss of bond between the asphalt cement or the mastic (asphalt cement, the mineral filler and small aggregates) and the fine and coarse aggregate. Moisture damage accelerates as moisture permeates and weakens the mastic, making it more susceptible to moisture during cyclic loading.
Historically, six contributing mechanisms have been identified associated with moisture damage: detachment, displacement, spontaneous emulsification, pore pressure induced damage, hydraulic scour, and the effects of the environment on the aggregate–asphalt system. However, it is to be mentioned that moisture damage is not limited to a single mechanism but is the outcome of a combination of these mechanisms (Little and Jones, 2003). Santucci and Aschenbrener (2003) have identified the following factors that contribute to adverse effects of water in asphalt pavement. Finally, moisture damage mechanisms results in the following distresses like, Stripping, Bleeding, Rutting, Corrugation and Shoving, Cracking, Raveling, Localized failures.
This work discuses all these deterioration in full and at the end solution for the these problems were analyzed. In this chapter one we discussed the introductory part of the work, chapter two presents the background and review of the related studies, chapter three describes the methods applied, chapter four discusses the results of the methods used, chapter five summarizes the research outcomes and the recommendations.
1.1 AIM AND OBJECTIVE OF THE STUDY
The aim of this work is to study the effect of water on pavement made of asphaltic material. At the end of this study the student involved shall be able:
- To analyze the effect of water in asphalt pavement
- To analyze the solution to such effects
- To analyze methods used in repairing the deterioration
1.2 STATEMENT OF PROBLEM
Asphaltic Pavement deterioration comes as a result of someone leaving his pavement vulnerable to water penetration for too long, potholes and other large structural deteriorations can occur. At the present time as Nigeria continues to experience climate change, these regular maintenances are particularly important. Climate change increases the risk of experiencing both heavy rains, and extreme droughts. If the cracks and flaws in your pavement are not properly maintained, the mass amount of water that is dropped during these large storms can do serious damage to your pavement’s base layer and overall structure.
1.3 SCOPE OF THE STUDY
When cracks form in asphalt, it allows for water to seep under the surface, which is damaging to the base beneath. Each time it rains and this happens, the weakness, damages, and pavement deterioration rate increases. This damage is often not visible from above, but the damages being caused are serious and can be costly to fix.
1.4 PURPOSE OF THE STUDY
The main purpose of this work is to study different types of pavement deterioration which is caused by water and to bring solution to effects.
CHAPTER FIVE
5.1 CONCLUSIONS
Water effect on pavement deterioration is a complex phenomenon involving thermodynamic, chemical, physical, and mechanical processes that contribute to pavement deterioration. This study has discussed some of major failure mechanisms associated with the presence of water. In addition this study has also summarized some of the widely used methodology for the evaluation of water susceptibility. It was found that the empirical nature of test methods and the inherent variability of the results are the two primary challenges that impede the reliable characterization and assessment of water effect on pavement deterioration. This study successfully conveys the fact that water effect on pavement deterioration is an open ended problem which is to be solved by the broader understanding of representative failure mechanism and site-specific treatments applicable to the problem.
5.2 RECOMMENDATION
Without a good design of the road the functionality of the road may not be achieved. Even when the construction and supervision is adequate without the design process well done the end product in the form of a road project will not be functional. The agencies in charge of road work in the country like the ministry of works and the professional bodies whose works relate to road constructions in country will be made to be more proactive in the activities leading to the design and construction of roads in the country. They should be able to give appropriate supervision, direction and control to road design consultants and road construction companies in the country.
Obstacles like cracks, potholes and abandoned vehicles on the roads lead to slow movement of vehicles on the road which leads to the congestion of traffic on the roads. Therefore one way of decongesting the roads of traffic is by removing those obstacles like cracks, potholes and abandoned vehicles from the road. Decongestion can also be achieved by the diversion of traffics to other traffic modes like the railways, waterways and air transport.
CHAPTER TWO: The complete chapter two of “effect of water in an asphalt road pavement” is available. Order full work to download. Chapter two of “effect of water in an asphalt road pavement” consists of the literature review. In this chapter all the related work on “effect of water in an asphalt road pavement” was reviewed.
CHAPTER THREE: The complete chapter three of “effect of water in an asphalt road pavement” is available. Order full work to download. Chapter three of “effect of water in an asphalt road pavement” consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of “effect of water in an asphalt road pavement” is available. Order full work to download. Chapter four of “effect of water in an asphalt road pavement” consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of “effect of water in an asphalt road pavement” is available. Order full work to download. Chapter five of “effect of water in an asphalt road pavement” consist of conclusion, recommendation and references.
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