TABLE OF CONTENTS Page No Abstract 05 Chapter I: Introduction 06 Chapter II: Design of flat slabs by IS: 456 07 Chapter III: Design of flat slabs as per NZS: 3101 21 Chapter IV: Design of flat slabs as per 30 Chapter V: Design of flat slabs using ACI-318 40 Chapter VI: Results 51 Chapter VII: conclusion Chapter VII: References 53 4