Introduce new technology for concrete

1. NANO SCIENCE IN CONCRETE
TECHNOLOGY
 PRESENTED BY UTPAL SARKAR
 ROLL NUMBER : 001730701008

2. INTRODUCTION
 NANO TECHNOLOGY IS NOT EXACTLY A NEW TECHNOLOGY
 NANO TECHNOLOGY OFFERS THE POSSIBILITY OF GREAT ADVANCES IN
CONSTRUCTION .
 CONCRETE IS MOST USABLE MATERIAL IN CONSTRUCTION INDUSTRY IT IS
BEEN REQUIRED TO IMPORVE ITS QUALITY

3. WHAT IS NANO TECHNOLOGY
 NANO TECHNOLOGY IS AN ENGINEERING FIELD OF SCIENCE WHICH RETATED TO
UNDERSTANDING AND CONTROL OF THE MATTER IN NANO SCALE
 TWO APPROACHES (a) TOP DOWN (b) BOTTOM UP APPROACHES

4. WHY NANO TECHNOLOGY FOR CONCRETE
 DOUBLES CONCRETE STRENGTH
 INCREASE ITS LIFESPAN
 DECREASE ITS WEIGHT

5. TYPES OF CEMENT
 OPC
 PPC
 LOW HEAT CEMENT
 SULFATE RESISTING CEMENT
 HYDROPHOBIC CEMENT
 PORTLAND BLAST FURNACE CEMENT
 QUICK SETTING CEMENT
 HIGH ALUMINA CEMENT

6. COMPOSITION OF CEMENT
Lime
63%
Magnesia
3%
Alumina
7%
Shalfer trioxide
1%
Silica
22%
Iron oxide
4%
CEMENT

7. NANOSTRUCTURAL MODELS OF C-S-H
 CALCIUM SILICATE HYDRATE (C-S-H)
 FORMATION AND POPERTIES
 BINDING AGENT
 CALCIUM OXIDE TO SILICON DIOXIDE RATIO

8. CARBON NANOTUBE CEMENT COMPOSITE
MATERALS
 CNT TECHNOLOGY
 NANOTUBE REINFORCEMENT CONCRETE
 TYPES NANOTUBE
 USE OF NANOTUBE

9. ACCEPTANCE AND ECONOMY
 ACCEPTANCE OF NANOTECHNOLOGY IN THE CONSTUCTION INDUSTRY
 ECONOMIC CONDITION

10.  QUESTION