Route survey of road and pavement design (rehabilitation/modernization)

• Certification Dedication Abstract Acknowledgement Table of content

Chapter ONE

INTRODUCTION

• General introduction Design application Aim and objective Advantages of road Reconnaissance survey Route surveyCHAPTER TWO Theodolite transversing of the road control Importance of theodoversing Equipment used on traversing Procedure Conversion of angles to bearing (whole area bearing Rectangular co-ordinateCHAPTER THREE Field leveling work general survey Need for preliminary survey leveling work Technical term used in leveling Aim Application of leveling Instrument in levelingâ Operation conditionââ Leveling of the road Reduction of filed data Brief description on profile and cross sectional leveling Uses of profile plot Leveling tabulating Earth work computationCHAPTER FOUR Soil identification/laboratory test Soil identification Laboratory test performed in soil Test to be carried out Soil sampling Sieve/particles size analysis Aim and scope Material and equipment Test producers Constancy limits Liquid limit of soil Objective and scope Material and equipment Test procedure Plasticity index Soil classification based in plasticity Significance fo the study Compaction Objective and scope Materials and equipment Test procedure California bearing ratio (cbr) Objective scope Material and equipment Test procedure Borrow materials for sub-base Laboratory test on the borrowed materials Cbr rating Tabulation for mechanical analysisCHAPTER FIVE Design vehicles Design speed Highway capacity Deign guide Design period Basic design element horizontal alignment Vertical alignment Vertical curvature Standard for grade Co-ordination of vertical and horizontal alignment Deign of curves Pavement layers Pavement design Design facts the engineer should know for design Preparation Pavement widening Pavement material Component pavement and their functions Design of road pavement Calculation of cbr value Vertical and horizontal curve design Design procedure Services life of pavement Drainage design Basic policy on drainage design Road side drainage channels Erosion protection Conclusion and recommendation Reference