AddThis

Thursday 9 October 2014

Volume:2, Number:4, July - September 2014


                                                                               
                          * Cement  Manufacturing


                               * Concrete, Mineral & Chemical Admixtures


                                    * Teaching, Training and Research


                                           * Trade and Industry




-----------------------------------------------------------------

URL: http://www.drjdbapat.com
Feedback: (1) consult@drjdbapat.com   (2) jdbapat@yahoo.co.in

This e-bulletin is published to share views on the subjects mentioned as above. Dr J D Bapat may not necessarily be in agreement with the views expressed by experts or quoted in links. The products and services are mentioned only to create an awareness, the quality and other aspects should be verified by the buyers/users; quote the reference number when you contact the suppliers. Visit the URL and see title 'Bulletin - Cement & Concrete' for the objective and other editorial details.

This Bulletin directly reaches nearly 20,000 professionals in my network.
-----------------------------------------------------------------
Join Dr J D Bapat's  professional network (quote my yahoo ID): on Linkedin   on Twitter @ cemcretecon
----------------------------------------------------------------

Cement Manufacturing


(a) Recycling CO2 generated as fuel in cement production
LV technologies public company limited is working towards usage of carbon emission as a fuel with the latest technology of using microalgae which trap CO2 and convert it into a dry fuel. Additionally, Pond Biofuel from Toronto has been associated with a cement maker (St. Marys) of Canada to work towards capturing CO2 and using it over and over again as a fuel for manufacturing cement. Read more. 


(b) Heat recovery solution for cement plants 
Cement plants can reduce emissions and supply up to 30% of their own energy needs by using waste heat recovery technology says a new report by the World Bank Group’s private sector arm, International Finance Corporation and the Institute for Industrial Productivity. Read more.

Concrete, Mineral and Chemical Admixtures

(a) RFID to Monitor Concrete Curing 
Accurately monitoring the curing of concrete can be critical on large construction projects.  Wired sensors can be too cumbersome for large projects. The system, installed when the TransBay Transit Center project launched approximately two years ago, consists of active ultrahigh-frequency (UHF) RFID tags with built-in sensors, as well as handheld readers and software to interpret the collected temperature data. Read more. 

(b) Net-zero Energy Buildings
The General Services Administration's Net-Zero Energy Task Group is planning to produce a draft letter with clear goals and guidance for net-zero energy buildings by September 2014. Read more.

(c) Pervious Concrete
Its use can eliminate the need for retention ponds or other mitigating elements and this increases the amount of usable land and reduces project costs. Read more.

(d) Benefits of Autoclaved Aerated Concrete (AAC) 
Lightness, durability, energy-efficiency and resistance to fire. Read more.

(e) Pre-tensioned Concrete Bridge Support Cuts Construction Time
A new, rocking, pre-tensioned concrete bridge support system has been developed by the University of Washington that reduces on-site construction time and minimizes earthquake damage. Read more.

(f) Safe and Sustainable Concrete One World Trade Center
To meet the strength requirements, the design and engineering team relied on a highly specialized concrete mix that included Lafarge Portland Type I/II and NewCem slag cements, as well as other supplementary cementitious materials. Read more. 

(g) State-Of-The-Art Bridge Design
The article showcases the Institution of Structural Engineers' five bridge nominations from around the world that Kelsey Campbell Dollaghan says show us what's going on in current bridge design innovation. Read more.

(h) Performance-Based Design Guide for Buildings
This approach is expected to help building owners achieve better building performance. The guide lets a building owner analyze the benefits of different levels of performance at various levels for a new structure or renovation. Once a performance level is chosen, the design-construct team can determine the best ways to meet those goals. Read more.

(i) China’s Pre-Certified LEED Gold Building
One of the longest buildings in China, Riverside 66, is scheduled to open to the public this fall. The curved building is more than 1,000 feet long, and has been pre-certified LEED Gold. Readmore.

(j) Beauty and Value in Roller Compacted Concrete
Over time, RCC has proven to be a much more durable solution under heavy loads and high traffic. It also requires minimal maintenance when compared to asphalt. Read more. 

(k) Seven New Materials for Future Construction 

As architects and engineers face bigger challenges — from earthquakes to dwindling resources to sheer cost — a new generation of smart materials is emerging. Read more.  


(l) NIST Megacities Carbon Project

Urban areas generate at least 70 percent of the world’s fossil fuel carbon dioxide emissions, but gauging a city’s carbon footprint remains difficult due to the lack of effective measurement methods. The project aims to change that by developing and testing techniques for both monitoring urban areas’ emissions and determining their sources. Read more.


(m) Building Information Modeling (BIM)
Ten common steps to BIM that help to both accelerate the process and reduce the disruption that can accompany change. Read more.  

Books
(a) Mineral Admixtures in Cement and Concrete, Author: Jayant D. Bapat, CRC Press, Taylor & Francis Group 
Written for engineers, this book focuses on how to make more workable and durable concrete using mineral admixtures. For each mineral admixture, the book looks at manufacturing and processing, physical characteristics, chemical and mineralogical composition, quality control, and reported experiences. It also examines the provisions of national standards on the admixture’s addition to cement and concrete. Offering a deeper understanding of mineral admixtures, it encourages engineers to more effectively use these and other wastes in cement and concrete to support more sustainable growth of the cement and construction industry. Read More.


(b) ACI 213R-14 Guide for Structural Lightweight-Aggregate Concrete
The guide summarizes the present state of technology, presents and interprets the data on lightweight-aggregate concrete from many laboratory studies and the accumulated experience resulting from its successful use, and reviews performance of structural lightweight aggregate concrete in service. Read more.


(c) ACI Publication: Principles of Reinforced Concrete Design
Principles of Reinforced Concrete Design draws a clear distinction between fundamentals and professional consensus. This text presents a mixture of fundamentals along with practical methods. It provides the fundamental concepts required for designing reinforced concrete (RC) structures, emphasizing principles based on mechanics, experience, and experimentation, while encouraging practitioners to consult their local building codes. Read more. 


(d) ACI 305.1-14 Specification for Hot Weather Concreting
This reference specification provides requirements for hot weather concreting that the architect/engineer can apply to any construction project involving hot weather concreting by citing it in the project specification. Read more.

Teaching, Training and Research

(a) Professional Training Course on Durable, High Performance Cement & Concrete with Mineral & Chemical Admixtures
Dr J D Bapat offers professional training course on “Durable, High Performance Cement & Concrete with Mineral & Chemical Admixtures ”. Two-day course is useful for engineers working in cement plants, cement and admixtures marketing, construction sites, higher education. Duration and content: tailor-made as per participants’ requirement. Venue: as per sponsor’s preference. Download brochure. Read more.


(b) New Water Footprint Standard Published - ISO 14046
Water footprinting is an environmental accounting technique, much like a carbon footprint, but to measure the amount of water consumed to make a product, provide a service or to complete an activity. Read more. 

(c) ACI Publication: Improving Concrete Quality: Author: Karthikeyan H Obla
Book provides techniques and how specifications can improve concrete quality. Offers a clear understanding of the link between the materials (cement, SCM, aggregate, water, air), manufacturing, testing variability, and concrete quality. Includes information on analyzing test data to improve quality. Read more.


Download/View

(a) Cement Industry in India –Moving Towards Sustainable Growth by Dr J D Bapat
Article Published in Indian Cement Review, Voll.28, No. 4, Nov. 2013, pp 61-63. Download article.


(b) Petcoke as Fuel for Cement Production: Benefits & Challenges. View ppt.

(c) Techno Marketing of Cement, Admixtures and Equipment. View ppt.

(d) Importance of Continuing Education for Professionals Working in Cement, Concrete and Construction
The field of cement, concrete and construction is continuously developing. Professionals need to update knowledge and skills to achieve performance and economy in concrete. View publication and comment.

(e) Tilting Bridge
A video shows emergency repairs underway on the tilting I-495 bridge over the Christina River in Delaware. View. 

(f) Browsers to Protect Privacy: View


(g) 5 Reasons You Should Use Office Online. View.


Discussions

(a) Join Group: Cement, Concrete and Construction on Linkedin.

(b) Join Group: Indian Society of Cement Engineers (ISCE) on Linkedin.

(c) Join Group: Mineral Admixtures in Cement & Concrete on Linkedin.


Events


(a) Call For Papers: 14th International Congress on the Chemistry of Cement
The 14th International Congress on the Chemistry of Cement (ICCC) seeks papers on the theme of Low Carbon Cement and Green Development.  The Congress will be held in Beijing, China, October 13-16, 2015. Read more.



(b) ASTM Workshop on Cementitious Mixtures
ASTM International is holding a workshop in New Orleans on Methods for Investigation of Unexpected Performance and Properties of Cementitious Mixtures on 7 December. Read more.

*

Saturday 12 July 2014

Volume:2, Number:3, April - June 2014




                           * Cement  Manufacturing


                                                                                               
                                  * Concrete, Mineral & Chemical Admixtures


                                         * Teaching, Training and Research


                                                  * Trade and Industry




------------------------------------------------------------------
                       
URL: http://www.drjdbapat.com
Feedback: (1) consult@drjdbapat.com   (2) jdbapat@yahoo.co.in

This e-bulletin is published to share views on the subjects mentioned as above. Dr J D Bapat may not necessarily be in agreement with the views expressed by experts or quoted in links. The products and services are mentioned only to create an awareness, the quality and other aspects should be verified by the buyers/users; quote the reference number when you contact the suppliers. Visit the URL and see title 'Bulletin - Cement & Concrete' for the objective and other editorial details.

This Bulletin directly reaches nearly 20,000 professionals in my network.
-----------------------------------------------------------------
Join Dr J D Bapat's  professional network (quote my yahoo ID): on Linkedin   on Twitter @ cemcretecon
----------------------------------------------------------------
Cement Manufacturing


(a) Turning Waste to Cement
A cement company based in Deerfield Beach, Titan America, has begun turning selected waste, such as car bumpers and scrap cardboard, into construction material. The technology reduces the amount of trash headed to landfills, and it cuts air pollution because the materials used produce fewer emissions than coal. The process can help Florida reach its goal of recycling 75 percent of municipal solid waste by 2020, public officials say. Read more. 


(b) New Green Cement Reduces Carbon Footprint by 40%
A new form of green cement developed in France has the potential to reduce the carbon footprint of concrete by as much as 40 per cent. Read more. 


(c) Cement Plant: Converting Smokestacks into Profit Centers
Every kilogram of algae that Pond Biofuels produces prevents two kilograms of CO2 from being emitted into the atmosphere. The algal farms connected to these industrial facilities turning their smokestacks into profit centres, all using Pond Biofuels licensed technology. Read more. 


(d) LafargeHolcim: The power of the mega-merger
The idea may be out there but LafargeHolcim has a long way to go before it actually exists. Read more.

Concrete, Mineral and Chemical Admixtures


(a) Glow-in-the-dark Roads Make Debut in Netherlands
Light-absorbing glow-in-the-dark road markings have replaced streetlights on a 500m stretch of highway in the Netherlands. Read more. 


(b) Fiber Optic Sensors to Monitor Reinforced Concrete Corrosion
Fiber optic sensors can detect the moisture, expansion, and cracks in reinforced concrete, enabling engineers to observe a structure's condition and predict its lifetime. Read more. 


(c) Solidia Technologies Finds Potential Savings of 2 Billion Tons of Water Per Year
New CO2-curing technology reduces water consumption by up to 80%, CO2 emissions by up to 70%, and curing time to one day. Read more.


(d) Future of Skyscrapers
With tall buildings growing ever higher, it is becoming increasingly critical to optimise structural systems in order to ensure strength and stability. The rise of composite megacolumns could be the most effective answer. Read more. 


(e) World's First Energy Positive Building
The world is ready for an even fresher catchphrase than “net zero” buildings (NZB) to describe environmentally friendly buildings. Say hello to Norway's Powerhouse Kjørbo,the world’s first “energy positive building" (EPB) or “net positive" building. Read more. 


(f) Carbon Capture can Revolutionise Green Construction
Past research has shown that treating concrete with CO2 can improve its strength, reduce water absorption, improve resistance to chloride permeability and improve freeze-thaw performance. Carbonation never compromises quality, colour or texture. Read more.


(g) Radioactive Waste in Concrete Casks
Dozens of containers of radioactive waste from Los Alamos National Laboratory are being packed as a precaution into concrete casks at a temporary storage facility in West Texas. Read more.


(h) Making Infrastructure Maintenance Cost-effective, Sustainable 
Discussed in this article are the use of robots for pipe-lining technology; a cement additive that fortifies concrete's strength by as much as 40%; and a spray-on synthetic high-performance fiber that contains fiber optic sensors, which can send signals to equipment for structural condition monitoring. Read more. 


(i) Super Skinny Skyscraper Trend

Modern construction materials and structural and design technologies are enabling builders to construct tall, narrow towers on small plots. Read more. 

Books
(a) Mineral Admixtures in Cement and Concrete, Author: Jayant D. Bapat, CRC Press, Taylor & Francis Group 
Written for engineers, this book focuses on how to make more workable and durable concrete using mineral admixtures. For each mineral admixture, the book looks at manufacturing and processing, physical characteristics, chemical and mineralogical composition, quality control, and reported experiences. It also examines the provisions of national standards on the admixture’s addition to cement and concrete. Offering a deeper understanding of mineral admixtures, it encourages engineers to more effectively use these and other wastes in cement and concrete to support more sustainable growth of the cement and construction industry. Read More.


(b) ACI 305R-10 Guide to Hot Weather Concreting
Environmental factors, such as high ambient temperature, low humidity, high wind, or both low humidity and high wind, affect concrete properties and the construction operations of mixing, transporting, and placing of the concrete materials. This guide provides measures that can be taken to minimize the undesirable effects of these environmental factors and reduce the potential for serious problems. Read more.


(c) ACI 305R-10 Guide to Hot Weather Concreting
Environmental factors, such as high ambient temperature, low humidity, high wind, or both low humidity and high wind, affect concrete properties and the construction operations of mixing, transporting, and placing of the concrete materials. This guide provides measures that can be taken to minimize the undesirable effects of these environmental factors and reduce the potential for serious problems. Read more.


(d) ACI 523.3R-14: Guide for Cellular Concretes Above 800 kg/m3
This guide addresses the materials, properties, design, production, and placement of cellular concretes with as-cast densities greater than 50 lb/ft3 (800 kg/m3). The usual density range of cellular concrete is 20 to 120 lb/ft3 (320 to 1920 kg/m3). Cellular concretes in the lower portion of this range are used for many applications, such as roof thermal insulation and geotechnical fills. Cellular concretes in the higher density range are used for cast-in-place, precast applications and nonstructural floor fills. Read more.


(e) Concrete Repair to EN 1504: Diagnosis, Design, Principles and Practice
Authors: Michael Raupach, Till Büttner Published: May 15, 2014 by CRC Press
Presents a systematic approach to concrete repair based on EN 1504. Outlines the main methods in detail. Provides a large number of case studies. Read more.


Teaching, Training and Research
(a) Professional Training Course on Durable, High Performance Cement & Concrete with Mineral & Chemical Admixtures
Dr J D Bapat offers professional training course on “Durable, High Performance Cement & Concrete with Mineral & Chemical Admixtures ”. Two-day course is useful for engineers working in cement plants, cement and admixtures marketing, construction sites, higher education. Duration and content: tailor-made as per participants’ requirement. Venue: as per sponsor’s preference. Download brochure. Read more.


(b) Durable Concrete Indeed
A new water-repellent concrete impregnated with tiny super-strong fibers promises to leave roads and bridges free of major cracks for up to 120 years. Read more.


(c) Water in Concrete
Amount of water in concrete controls many fresh and hardened properties of concrete including workability, compressive strengths, permeability and watertightness, durability and weathering, drying shrinkage and potential for cracking. For these reasons, limiting and controlling the amount of water in concrete is important for both constructability and service life. Read more.


(d) Low-Carbon Cement
The Ecole Polytechnique Federal de Lausanne in Switzerland has developed a form of eco-friendly cement that can potentially cut construction sites' carbon emissions by 40%. Read more.  

Download/View

(a) Cement Industry in India –Moving Towards Sustainable Growth by Dr J D Bapat
Article Published in Indian Cement Review, Voll.28, No. 4, Nov. 2013, pp 61-63. Download article.

(b) Petcoke as Fuel for Cement Production: Benefits & Challenges. View ppt.

(c) Techno Marketing of Cement, Admixtures and Equipment. View ppt.

(d) Importance of Continuing Education for Professionals Working in Cement, Concrete and Construction
The field of cement, concrete and construction is continuously developing. Professionals need to update knowledge and skills to achieve performance and economy in concrete. View publication and comment.

(e) Robot for Concrete Recycling                                                                                                      An electrically powered robot uses water to effectively erase concrete while vacuuming up its separate components that can be used again.View slide show.

(f) Come Across as a Professional. View. 


(g) Creating an Unbreakable Password. View. 



Discussions

(a) Join Group: Cement, Concrete and Construction on Linkedin.

(b) Join Group: Indian Society of Cement Engineers (ISCE) on Linkedin.

(c) Join Group: Mineral Admixtures in Cement & Concrete on Linkedin.

(d) Effect of particle size of Class F fly ash on water demand. Participate in this discussion on Linkedin.

(e) ASTM allows water addition in transit. Participate in this discussion on Linkedin. 


(f) Which one is better pozzolan. Participate in this discussion on Linkedin. 

(g) Importance of continuing education for professionals working in cement, concrete and construction. Participate in this discussion on Linkedin.  


Events


(a) Alternative Fuels Workshop -  Perspectives for the Cement Industry:  3-4 June 2014, Marquis Reforma Hotel & Spa, Mexico City, Mexico. Read more.   


(b) Elsevier International Conference on Sustainable Design, Engineering and Construction - ICSDEC 2015: 10 - 13 May 2015,  Chicago, USA. Readmore. 
(c) ICDCS 2014: 4th International Conference on Durability of Concrete Structures,
July 23-26, 2014,  Purdue University, West Lafayette, IN 47907, USA. Read more.




*