self curing concrete ppt

EXPERIMENTAL STUDY ON SELF- CURING CONCRETE

Self-curing or domestic curing is a technique that can be used to supply additional moisture in concrete for added effective hydration of cement and reduced self-desiccation. It was found that water soluble alcohols can be used as self- curing agent in concrete. The use of self-curing admixtures is

AN EXPERIMENTAL INVESTIGATION OF SELF CURING …

"AN EXPERIMENTAL INVESTIGATION OF SELF CURING CONCRETE NORPORAT WT POLY TYLN LYOL AS S L URN A NT" Shikha Tyagi M.Tech (Structure Engineering & Construction) Student, Roorkee Institute of Technology, (UTTRAKHAND)

7 curing concrete - SlideShare

Jan 14, 2016· 7 curing concrete 1. Curing Concrete By Prof. Adel El Kordi & Dr. Meheddene Machaka Structural Engineering Department Faculty of Engineering Beirut Arab University CVLE 321 2. Curing Moisture Temperature Time Curing requires adequate — If any of these factors are neglected, the …

Bacterial Concrete: New Era For Construction Industry

the concrete when it is being mixed. These self-healing agents can lie dormant within the concrete for up to 200 years. However, when a concrete structure is damaged and water starts to seep through the cracks that appear in the concrete, the spores of the bacteria …

Self-healing concrete with a microencapsulated healing agent

Self-healing concrete with a microencapsulated healing agent . Michelle M. Pelletier,1,2 Richard Brown 2, Arun Shukla 3 and Arijit Bose 1,2 1Laboratory of Soft Colloids & Interfaces, 2Department of Chemical Engineering . 3. Dynamic Photomechanics Laboratory, Department of Mechanical, Industrial and …

Self-Healing of Concrete - A New Technology for a More ...

The natural self-healing ability of concrete, known as autogenous healing, has been understood for around 20 years. The effect can be seen in many old structures, which have survived for such long periods of time ... cure very rapidly forming a bond often stronger than the material it is bonding, i.e. concrete. Hence the healed crack

Self Curing Concrete An Introduction - nbmcw.com

Chemicals to Achieve Self–curing Some specific water-soluble chemicals added during the mixing can reduce water evaporation from and within the set concrete, making it 'self-curing.' The chemicals should have abilities to reduce evaporation from solution and to …

Form - 1 (Page 7 - 26) - The Masterbuilder

Self-Healing of Concrete Self-healing concrete is a product that will biologically produce limestone to heal cracks that appear on the surface of concrete structures. Specially selected types of the bacteria genus Bacillus, along with a calcium-based nutrient known as calcium lactate, and nitrogen and

Self-curing concrete: Water retention, hydration and ...

Water retention of concrete containing self-curing agents is investigated. Concrete weight loss, and internal relative humidity measurements with time were carried out, in order to evaluate the water retention of self-curing concrete. Non-evaporable water …

Self curing concrete - SlideShare

Jan 03, 2015· Self curing concrete 1. Prepared by: ABHISHEK.K 11241A0132 2. What is curing of concrete? • Curing is the maintenance of a satisfactory moisture content and temperature in concrete for a period of time immediately following placing and finishing so …

Using Prewetted Lightweight Aggregates

Benefits of Internal Curing on Service Life and Life-Cycle Cost of High-Performance Concrete Bridge Decks – A Case Study. Cement and Concrete Composites, 32. Espinoza-Hajazin, G., & Lopez, M. (2010) Extending Internal Curing To Concrete Mixtures With W/C Higher Than 0.42. Construction & …

Strength comparison of self-curing concrete and Normal ...

concrete. Self-curing concrete is the best solution to the problem faced in the desert region and faced due to lack of proper curing. MOHANRAJ, RAJENDRAN M Studied on "self-curing concrete incorporated with polyethylene glycol". Compressive strength of cube and cylinder by NDT for self-cured concrete …

Self-healing material - Wikipedia

Self-healing of early stage damage is thus a promising new approach to extend the lifetime of the metallic components. In metals, self-healing is intrinsically more difficult to achieve than in most other material classes, due to their high melting point and, as a result, low atom mobility.

Self Curing Concrete - PowerPoint Presentation ...

Download Self Curing Concrete - PowerPoint Presentation (FREE!) Upload your files. Files > Download Self Curing Concrete - PowerPoint Presentation (FREE!) Curing is the maintenance of a satisfactory moisture content and temperature in concrete for a period of time immediately following placing and finishing so that the desired properties may ...

Self-healing concrete? -- ScienceDaily

Apr 26, 2012· 'Self-healing' concrete is being developed. Researchers are using a ground-borne bacteria – bacilli megaterium - to create calcite, a crystalline form of natural calcium carbonate. This can ...

self curing concrete slides PowerPoint PPT Presentations

A very large, searchable collection of high-quality SELF CURING CONCRETE SLIDES PPT presentations pre-converted to enable easy online viewing with full transcripts for free.

SELF CURING CONCRETE | Concrete | Water

Self curing concrete using wax based curing has an average efficiency of 84.0%. Self cured concrete satisfies serviceability conditions also. Self curing concrete can be practiced in pre fabrication units and in place of water scarcity as well as exposed weather condition. Whenever there is difficulty in water curing, self curing concrete will ...

Self Compacting Concrete (SCC) - Daily Civil

Nov 19, 2016· Self compacting concrete is a high-performance concrete which is highly flowable or self-leveling cohesive concrete that can be easily placed in the tight reinforcement. It is also known as super workable concrete.

Self-Compacting Concrete Applications and Advantages

Self-compacting concrete has been used in bridges and even on pre-cast sections. One of the most remarkable projects built using self-compacting concrete is the Akashi-Kaikyo Suspension Bridge.In this project, the SCC was mixed on-site and pumped through a piping system to the specified point, …

Detailed ppt on Curing of concrete - SlideShare

Oct 05, 2012· this is a detailed ppt of curing of concrete . this is a detailed ppt of curing of concrete ... CURING OF CONCRETE Curing may be defined as the operation of maintaining humidity and temperature of freshly placed concrete during some definite period following placing,casting or finishing to assure satisfactory hydration of cement and proper ...

Curing Concrete, Chapter 12 - University of Memphis

Curing is the maintenance of a satisfactory moisture con-tent and temperature in concrete for a period of time imme-diately following placing and finishing so that the desired properties may develop (Fig. 12-1). The need for adequate curing of concrete cannot be overemphasized. Curing has a strong influence on the properties of hardened concrete;

Studies On Properties Of Self-Curing Concrete Using Poly ...

concrete. Concrete incorporating self-curing agents will represent a new trend in concrete construction in the new millennium .The aim of this investigation is to evaluate the use of water-soluble polymeric glycol as self-curing agents. the use of self-curing admixture curing admixtures is very important from the point of view that

POLYMER CONCRETES: A DESCRIPTION AND METHODS …

Polymer Concretes: A Description and Methods for Modification and Improvement Journal of Materials Education Vol. 33 (1-2) 39 can be thought of as a candidate to incorporate into the mix and process design for optimization in a given application 8. Development of another alternative to PCC was

Bacteria-based self-healing concrete - HERON homepage

Concrete test specimens were prepared in which part of the aggregate material, i.e. the 2-4 mm size class, was replaced by similarly sized expanded clay particles loaded with the bio-chemical self-healing agent (bacterial spores 1.7x105 g-1 expanded clay particles, corresponding to 5x107 spores dm-3 concrete…

Download Civil,Construction Engineering Seminar Topic ppt

Download Civil,Construction Engineering Seminar Topic ppt. Download latest collection of Civil enigneering and Construction seminar ppt,Presentation for last semester Diploma Civil engineering students with free of cost. ... Self Curing Concrete-Civil PPT Seminar: SELF HEALING MATERIAL (BACTERIAL CONCRETE)-Civil PPT Seminar:

Internal Curing Overview - ESCSI

Internal curing was originally defined by the American Concrete Institute (ACI) as "supplying water throughout a freshly placed cementitious mixture using reservoirs, via pre-wetted lightweight aggregates, that readily release water as needed for hydration or to replace moisture lost through evaporation or self …

Development of a bacteria-based self healing concrete

Development of a bacteria-based self healing concrete Henk M. Jonkers & Erik Schlangen Delft University ofTechnology, Faculty of Civil Engineering and GeoSciences/Microlab, ... after 3, 7 and 28 days curing respectively (Figure 3). Additions of different organic compounds (0.5% of

Self-Healing "Bio" Concrete Repairs Its Own Cracks - YouTube

May 30, 2016· Concrete is one of the most widely used materials in the world, but at some point, no matter how it is mixed, it will crack and deteriorate. It was to this problem that microbiologist Hendrik ...

Self Curing of Concrete. | Concrete (11K views)

Even India and other countries are facing lot of problems in supplying drinking water to their citizens. Hence construction industries are under pressure in finding out alternative curing methods of curing concrete. Self curing concrete is the one which can meet the present and future requirements of curing concrete.

RILEM - Proceedings

Abstract: There are number of ways in which internal curing for concrete can be accomplished. One of the techniques of self curing is by using hydrophilic materials in concrete. The use of hydrophilic materials in concrete minimizes the loss of water and also attracts moisture from the atmosphere and help in continuous curing of concrete.

Chapter 7 HARDENED CONCRETE - EMU

Reduce water loss by any curing methods (cover concrete with wet polythene sheets or by spraying a membrane-curing compound). ... •This is known as autogenous shrinkage, it is self- ... PowerPoint Presentation Author:

NPTEL :: Civil Engineering - Concrete Technology

We are piloting a new feature with VideoKen, to provide a Table of Contents and Word-Cloud for videos. For regular video without these features, you can Watch on YouTube.

Self-Compacting Concrete - EFNARC

protection and repair of concrete, in soft ground tunnelling, in sprayed concrete, and now in self-compacting concrete. It provides a common voice for the industry to make known its position and view to the European Commission departments dealing with the CPD, CEN Technical Committees and