ADVANCEMENT OF CONCRETE IN THIS NEW WORLD.pptx

It has a lot of information about the modern concreting methods

1. GOVERNMENT COLLEGE OF TECHNOLOGY ADVANCEMENT OF CONCRETE BY JENISHA S I DIVIN S V

2. Table of contents: ABSTRACT INTRODUCTION INTRO TO CONCRETE ADVANCES IN CONCRETE TECHNOLOGIES APPLICATIONSOF CONCRETE TECHNOLOGIES

3. Abstract : Developing and maintaining world’s infrastructure to meet the future needs of industrialized and developing countries is necessary to economically grow and improve the quality of life. Concrete is the single largest manufactured material in the world and accounts for more than 6 billion metric tons of materials annually. To meet Advances in Concrete Technology we should have to maintain Concrete Materials, Workability of Concrete, Concrete Mixture Proportioning, Concrete Mechanical Properties, Concrete Durability Properties, Concrete tests, Concrete Construction Control and to meet advancements made in concrete. to use latest technologies and various applications of concrete technologies like Use of recycled materials in concrete , High Performance Concrete, Air Void Analyzer, Concrete Composition Technologies, Self compacting Concrete.

4. Introduction: ages of concrete:

5. Concrete: C oncrete is made of portland cement, fine and coarse aggregates, water, pozzolans , and air. Mixing Process:

6. Modern improvements in CONCRETE TECHNOLOGy A Journey of Innovation and Progress

7. Modern CONCRETE TECHNOLOGIES: Concrete materials Workability of Concrete Concrete mixture proportioning Concrete mechanical properties Concrete construction control

8. A. Concrete materials : Standard Admixtures: Air entrainers , accelerators, retarders, water reducers, corrosion inhibitors (common). Emerging SCC: Self-compacting concrete (precast focus). Limited SRAs: Shrinkage reducing admixtures (rare). Routine SCMs: Fly ash, GGBS, silica fume (standard). Impact: Admixtures revolutionized bridge concrete.

9. B. Workability of Concrete : Workability depends on concrete's rheological properties . Key rheological characteristics are yield stress and plastic viscosity . Yield stress is the effort needed to start movement and correlates with slump . Plastic viscosity describes the flow characteristics once moving . Rheometers can determine plastic viscosity for low stiffness concretes . C . Concrete mixture proportioning : Determines amounts of ingredients. Aims for strength, workability, durability, cost. Considers material properties and requirements. Often uses design methods and testing. Important for good concrete.

10. D. Concrete mechanical properties: Higher strength concrete is common for bridge columns and beams. It offers increased load-bearing capacity and stiffness. Higher strength concrete usually provides higher abrasion resistance. This abrasion resistance is often considered in bridge deck and pavement designs . E . Concrete construction control : In-situ concrete testing is used on major transportation projects . Effective curing practices are implemented . Computer software is utilized to : A. Monitor concrete strength development. B. Minimize cracking potential. These practices are applied on major transportation projects.

11. APPLICATIONSOF CONCRETE TECHNOLOGIES

12. A . Self-Compacting Concrete(SCC)

13. B.Concrete Composition Technologies :

14. C . Air Void Analyzer :

15. CONCLUSION : The Presentation highlights significant advancements in concrete technology over the past fifty years . These advancements have influenced the design and preservation of infrastructure . Thepresentation also discusses technologies currently being considered by professionals in the field. Long-term performance monitoring is essential for all new technologies . Many innovations have been successfully incorporated into routine practice . Concrete technology for infrastructure has seen significant progress . Continuous monitoring and evaluation are crucial.

16. Thank you…