The essence of this project work is to look into the causes of highway failure and the different types of failure which are presented along the Eliozu – New Airport road in Obio/Akpor L.G.A in River state, taken as a case study. Some factors identify as being responsible for the failure of the chosen road section includes, poor sub grade soil with questionable material. Ground water study is carried out, which give insight to it effect to the failure of the flexible pavement, lack of drainage facilities, improper pavement design, poor compaction and traffic volume increase and lack of maintenance are critically taken into consideration.
Traffic volume count and soil test analysis and test on asphalt such as extraction-gradation test, are properly carryout, of which it result gives an adequate insight to the various causes of the failure situation experience along the road section through this investigation, show that relative to pavement, base course, wearing course and sub base were to less than the requirement for effective functionality of the said road of case study. From the investigation carryout, useful recommendation are made to improve the design and proper ways of reducing the rate of failure in Nigerian highways.
Title Page
Certification
Dedication
Acknowledgement
Abstract
Table Of Content
List Of Tables
List Of Figure
CHAPTER ONE
1.0 INTRODUCTION
1.1 Aims And Objective Of Study
1.2 Scope Of The Project Study
1.3 Background Information Of The Study
Area
1.4 Limitation Of The Study
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 General
2.2 Engineering Properties Of Soil
2.2.1 Soil Properties As Highway Material
2.2.2 Highway Sub-Grade, Sub-Base, Their
Thickness And Shaping
2.2.3 Material Classification
2.2.4 Clay Soils And Their Engineering
Properties
2.2.5 Soil Compaction And Consolidation Efficiencies
2.2.6 Soil Permeability And Compressibility
2.2.7 Ground Water Penetration And Its Effect On Road Bases
2.2.8 Effect Of Void In Highway Pavement
2.3 Types Of Pavement Distress
2.4 Traffic Survey
2.4.1 Interpretation Of Data
2.5 Traffic Capacity Studies
2.5.1 Factors Affecting Practical
Capacity
2.5.2 Traffic Flow Characteristic
2.5.3 Traffic Volume Study
CHAPTER THREE
3.0 METHODOLOGY
3.1 Site Exploration And Data Analysis
3.2 Source Of Sample
3.4 Ground Water Inspection In The
Location
3.5 Traffic Volume Study
3.6 Rainfall Data
3.7 Soil Test Data
3.8 Soil Classification
3.9 The C.B.R. Method
CHAPTER FOUR
4.0 EXPERIMENTATION AND PROCEDURES
4.1 Field Collection Of Soil Sample
4.2 Colour Classification
4.3 Moisture Content
4.4 Specific Gravity Test
4.5 Sieve Analysis
4.6 Atterberg Limit Test
4.6.1 Plastic Limit
4.6.2 Liquid Limit
4.7 Compaction
4.8 Determination Of Water Table
4.10 Test For Bulk Specific Gravity Of Compacted Bituminous Mixtures
CHAPTER FIVE
5.0 SUMMARY, CONCLUSION AND RECOMMENDATION
5.1 Conclusion And Summary
5.1.1 Summary
5.1.2 Conclusion
5.2 Recommendation
Bibliography
Strength Development In Concrete Using Different Type Of Cement. (n.d.). UniTopics. https://www.unitopics.com/project/material/strength-development-in-concrete-using-different-type-of-cement/
“Strength Development In Concrete Using Different Type Of Cement.” UniTopics, https://www.unitopics.com/project/material/strength-development-in-concrete-using-different-type-of-cement/. Accessed 19 September 2024.
“Strength Development In Concrete Using Different Type Of Cement.” UniTopics, Accessed September 19, 2024. https://www.unitopics.com/project/material/strength-development-in-concrete-using-different-type-of-cement/
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