Cement mortar and concrete are the most widely used construction materials. It is difficult to point out another material of construction which is as versatile as concrete. It is the material of choice where strength, permanence, durability, impermeability , fire resistance and abrasion resistance are required. It is so closely associated now with every human activity that it touches every human being in his day to day living.
Cement concrete is one of the seemingly simple but actually complex material. Many of its complex behaviours are yet to be identified to employ this material advantageously and economically. The behaviour of concrete with respect to long-term drying shrinkage, creep, fatigue, morophology of gel structure, bond, fracture mechanism and polymer modified concrete, fibrous concrete are some of the areas of active research in order to have a deeper understanding of the complex behaviour of these materials.
In any country, construction accounts for about 60 percent of the plan outlay. Out of this, cement and cement product would account for more than 50 percent. Today in India the annual consumption of cement is in the order of 22 million tonnes. It is estimated that the cost of mortar and concrete made from 22 million tons of cement would work out to about Rs. 4,000 crores which is about 1/5 of the plan outlay for the year 1982-83. It is in this context that the knowledge of concrete technology assumes importance.
Concrete is a site-made material unlike other materials of construction and as such can vary to a very great extent in its quality, properties and performance owing to the use of natural materials except cement. From materials of varying properties, to make concrete of stipulated qualities, an intimate knowledge of the interaction of various ingredients that go into the making of concrete is requires to be known, both in the plastic condition and in the hardened condition. This knowledge is necessary for concrete technologists as well as for site engineers.
The book is written mainly to give practical bias into concrete-making practices to students of engineering and site engineers, practical bias needs good theoretical base. Approach to practical solution should be made on the basis of sound theoretical concept. Sometimes, theory, however good, may not be applicable on many practical situations. This is to say, that particularly in concrete-making practices both theory and practice go hand in hand more closely than in many other branches of Engineering mainly because it is a site made material.
There are many good books written on this subject. But there are only a few books dealing with conditions, practice and equipment available in this country . Moreover, most of the books refer to only British and American standards. It has been the endeavour of the author to give as much information as possible about the Indian practice. Indian standard specifications and code of practices for concrete making. if this book helps the reader to make better concrete in the field, my efforts, I feel, are rewarded.
It gives me immense pleasure that the book first published in 1982, has seen more than 25 reprints. the popularity of this book amongst students and practicing engineers has given me the encouragement to revise this book to make it more useful to them. The proposal and encouragement given by officers of s. chand & company to bring this Sixth Edition in multicolour should make the book more useful and attractive.
Concrete technology is becoming a major branch of civil engineering. It is becoming the backbone of infrastructural developments of every country. it has made tremendous advancement in the western and the eastern world. Though Indian is lagging behind. We are catching up fast with the rest of the world.
It can be recalled that in the preface to the first edition (1982) I had mentioned that the cement production in India was 22 million tons. This was about eight decades after we first started manufacturing Portland Cement (1904). It is heart warming to note that in the subsequent two decades after 1982 i.e. in 2004, the production cement has crossed 120 million tons. Today we are the second largest producer of cement in the world, only behind China.
Content
1. Cement
2. Types Of Cement And Testing Of Cement
3. Aggregates & Testing Of Aggregates
4. Water
5. Admixtures & Construction Chemicals
6. Fresh Concrete
7. Strength Of Concrete
8. Elasticity, Creep & Shrinkage
9. Durability Of Concrete
10. Testing Of Hardened Concrete
11. Concrete Mix Design
12. Special Concrete & Concreting Methods
Cement concrete is one of the seemingly simple but actually complex material. Many of its complex behaviours are yet to be identified to employ this material advantageously and economically. The behaviour of concrete with respect to long-term drying shrinkage, creep, fatigue, morophology of gel structure, bond, fracture mechanism and polymer modified concrete, fibrous concrete are some of the areas of active research in order to have a deeper understanding of the complex behaviour of these materials.
In any country, construction accounts for about 60 percent of the plan outlay. Out of this, cement and cement product would account for more than 50 percent. Today in India the annual consumption of cement is in the order of 22 million tonnes. It is estimated that the cost of mortar and concrete made from 22 million tons of cement would work out to about Rs. 4,000 crores which is about 1/5 of the plan outlay for the year 1982-83. It is in this context that the knowledge of concrete technology assumes importance.
Concrete is a site-made material unlike other materials of construction and as such can vary to a very great extent in its quality, properties and performance owing to the use of natural materials except cement. From materials of varying properties, to make concrete of stipulated qualities, an intimate knowledge of the interaction of various ingredients that go into the making of concrete is requires to be known, both in the plastic condition and in the hardened condition. This knowledge is necessary for concrete technologists as well as for site engineers.
The book is written mainly to give practical bias into concrete-making practices to students of engineering and site engineers, practical bias needs good theoretical base. Approach to practical solution should be made on the basis of sound theoretical concept. Sometimes, theory, however good, may not be applicable on many practical situations. This is to say, that particularly in concrete-making practices both theory and practice go hand in hand more closely than in many other branches of Engineering mainly because it is a site made material.
There are many good books written on this subject. But there are only a few books dealing with conditions, practice and equipment available in this country . Moreover, most of the books refer to only British and American standards. It has been the endeavour of the author to give as much information as possible about the Indian practice. Indian standard specifications and code of practices for concrete making. if this book helps the reader to make better concrete in the field, my efforts, I feel, are rewarded.
It gives me immense pleasure that the book first published in 1982, has seen more than 25 reprints. the popularity of this book amongst students and practicing engineers has given me the encouragement to revise this book to make it more useful to them. The proposal and encouragement given by officers of s. chand & company to bring this Sixth Edition in multicolour should make the book more useful and attractive.
Concrete technology is becoming a major branch of civil engineering. It is becoming the backbone of infrastructural developments of every country. it has made tremendous advancement in the western and the eastern world. Though Indian is lagging behind. We are catching up fast with the rest of the world.
It can be recalled that in the preface to the first edition (1982) I had mentioned that the cement production in India was 22 million tons. This was about eight decades after we first started manufacturing Portland Cement (1904). It is heart warming to note that in the subsequent two decades after 1982 i.e. in 2004, the production cement has crossed 120 million tons. Today we are the second largest producer of cement in the world, only behind China.
Content
1. Cement
2. Types Of Cement And Testing Of Cement
3. Aggregates & Testing Of Aggregates
4. Water
5. Admixtures & Construction Chemicals
6. Fresh Concrete
7. Strength Of Concrete
8. Elasticity, Creep & Shrinkage
9. Durability Of Concrete
10. Testing Of Hardened Concrete
11. Concrete Mix Design
12. Special Concrete & Concreting Methods
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Concrete Technology: Theory and Practice by M S Shettyhttp://www.4shared.com/file/cIKSuMOG/ShettysConcreteTechnology.html
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