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The Book Is Considerably Modified Version Of The 2000 Edition. In Third Edition Of The Book Extensive Revisions Have Been Made. New Materials Have Been Introduced Due To The Advances In The Technology And Progress In Industry. The Information Presented Includes Characteristics Of The Materials In Regards To Their Physical And Mechanical Properties With Emphasis On Their Strength And Durability Qualities. The Material Presented Can Be Supplemented By The Information From I.S. Codes And Various Product Manufacturers.

This Edition Embodies Material Changes In The Chapters Dealing With Cement, Concrete, Lime And Many Others. Testing Procedures Of The Materials Have Been Updated For Most Of The Materials As Some Of The Codes Have Been Revised. Especially, In Chapter 3 On Rocks And Stones The Section On Testing Of Stones Has Been Completely Rewritten. Chapter 8 On Lime Has Been Completely Rewritten To Make It More Reader Friendly. Logical Changes In Chapter 5 On Cement, Chapter 10 On Concrete And Chapter 20 On Special Cements And Cement Concretes Have Been Made.

Admixtures For Concrete Have Been Placed In Chapter 10 And Section On Pointing Has Been Removed From Chapter 12 On Building Mortars. Many Newer And Upcoming More Important Concretes Such As Self Compacting Concrete, Bacterial Concrete Have Been Introduced In Chapter 20 On Special Cements And Cement Concrete. Numerous Revision Of Data And Substitutions In Description Have Been Made Not Only In These Chapters But In Other Chapters Also.

Smart Materials And Composite Materials Have Been Introduced In Chapter 21 On Miscellaneous Materials. The Author Will Be Grateful To The Readers For Their Comments And Suggestions For Further Improvement Of The Book. The Second Edition Of This Book Deals With Properties Of Building Materials And Techniques For Their Manufacturing. Applications Of Building Materials Have Been Presented With Emphasis On Engineering An

Economic Approaches For Determining The Optimum Kind Of Materials, Best Suited To Specific Conditions Of Service In Buildings. This Edition Provides A Thorough And Practical Groundwork For Students Of Civil, Architecture And Construction Technology. The Expanded And Updated Text Can Also Serve As A Refresher And Reference For Practicing Civil Engineers, Architects, Contractors, And Other Workers Who Must Be Aware Of New Building Materials And Techniques.

The Building Materials Industry Is In Continual Development, The Range Of Products Is Being Expanded, And Novel Techniques For Optimizing Production Processes Are Being Introduced. The Main Purpose Of The Book Is To Present A Basic Course Of Study With A Detailed Coverage Of Basic Theory And Practice Of The Manufacture Of Building Materials. The Present Edition Embodies Material Change In The Chapters Dealing With Lime, Cement, Concrete, And Many Other Minor Revisions. Since Concrete (Chapter 10) Is The Most Widely And Extensively Used Building Material, Its Production, Properties, And Testing Have Been Thoroughly Revised And Discussed In More Details And Depth.

Chapter 11 On Mix Design Has Been Introduced To Make The Used Understand Better The Manufacture And Properties Of Concrete. Standards Laid By Bureau Of Indian Standards Have Been Followed. Extensive Addition In Chapter 20, Miscellaneous Materials, Include Elaboration Of Geotextiles, New Types Of Cements And Concretes—Their Properties And Production Processes. All This Was Possible Due To The Suggestions, And Comments Received Form Many Individuals And Students. I Would Like To Thank All Of Them. Acknowledgement Is Also Made To New Age Publishers For Publishing The Second Edition.