DESIGN OF ROAD PAVEMENTS DESIGNING OF ROAD PAVEMENT LINKING FEDERAL SECRETARIAT INDUSTRIAL CENTRE

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DESIGN OF ROAD PAVEMENTS DESIGNING OF ROAD PAVEMENT LINKING FEDERAL SECRETARIAT INDUSTRIAL CENTER

 

 

ABSTRACT

This thesis on a project undertaken by the author is aimed at providing explanation of the basic theory of the work of road design and its associated activities also, to cover practical methods of working.
In pursuit of the meaningful completion this project a lot of investigation was embarked with principles and practice of road construction. The total distance of route was determined and stations established bearing in mind the intervisibility of the stations.
Leveling was carried out to obtain information on the profile of the route for proper earthwork knowledge which theodolite traversing was carried out to obtain the plan and horizontal alignment of the route
Soil analysis, gave the proper constitute of the soil which was also carried out to and in the pavement design. Therefore the pavement design of the route was abased on the results obtained from the soil analysis using the CBR method.

CHAPTER ONE

INTRODUCTION
The importance of road to life and activities can not be overemphasized. Roads have important role to play in the transportation system of the country. Good transportation system through the pavement design has in the recent years provide to be of much significance commercially and otherwise history testifies that the provision of roadways is necessary to draw a country out of a state of uncivilization, but that civilization is not attained until good road network between neigbours is made so easy that the local difference which brench narrowness is minimized.
However this project has been designed strictly to modern design standards e.g ASSHO method and it centers on the route survey and pavement design of the road to meet with the present day effective services.
Moreover, this project work could really sever as a future guide in making a new rural road, down to industrial layout to connect mass comm..
Therefore being in a school environment a good transportation system will improve the healthy studying condition of the new road pavement and maintenance of the existing one.

1.1 RELEVANCE OF PROJECT
The roadway linking Federal Secretariat industrial centre and Mass Communication Department is an earth road of about 0.620km in length whose origin can be traced back to the origin of the I.M.T campus III environment.
The project work has its relevance centered on the general design of a roadway which will link federal secretariat, industrial centre and Mass communication Department in order to ensure a hitch free traffic especially to the lecturer, visitors and students making use of that industrial centres. However the improvement of this roadway would grieve the students and lecturers the service of belonging as it gives easier access to masscom. Department.

1.2 SITE INSPECTION

This project site design of road pavements designing of road pavement linking federal secretariat industrial centre which is the roadway linking Federal Secretariat industrial center and Mass Communication Department was inspected to ascertain its location and the present state of the road. It was vividly observed that the area was a dusty roadway throughout its length and had been graded without siderains, spanning about 620m length with the width of 85m.
To obtain these information, a preliminary survey was carried out which also helped to ascertain the geological and soil conditions likely intervals forming the chainages to be referred to until the construction id\s brought to a completion.

1.3 EVALUATION OF ROAD NETWORK W NIGERIA
There are three types of roads in Nigeria
– Grade I: Surface dressed road
– Grade II: laterite on natural soil road
– Grade III road on nature soil
Road, which were built earlier in Nigeria, were built as grade III roads, which consist of roads built on level earth. This grace of road was subsequently improved to grade II roads, which comprises of stone laterite on soil and on general surface roads.
Ultimately, the road was improved to grade I which is laterite road with good surfacing. The surfacing is either asphalted concrete for flexible pavement (in this project work flexible pavement will be considered).
The progressive method of road construction produced very durable roads but because of this rapid growth of traffic on the grade I and II this method of road construction was discontinued and surface dressed roads were built.
Road development receive a set back due to the development of railway in the country between 1895 and 1910 but was only revitalized early 1960 when highways were built to connect various party of the country. Today, there is virtually on state capital (if not local government area headquarter) that is not linked directly by a highway.

 

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DESIGN OF ROAD PAVEMENTS DESIGNING OF ROAD PAVEMENT LINKING FEDERAL SECRETARIAT INDUSTRIAL CENTRE

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