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Tuesday 6 October 2015

Volume: 3, Number 4, July - September 2015



__________________________________________________

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.
Professional Bulletin: View Archives
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Join Dr J D Bapat's  professional network: on Linkedin (jdbapat@yahoo.co.in),  on Twitter @ cemcretecon
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Concrete, Mineral and Chemical Admixtures


(a) Pumice as the Ideal SCM Replacement for Fly Ash in Concrete
The Center for Transportation Research at the University of Texas-Austin tested and quantified the performance of eight commercially available natural pozzolans to determine a viable replacement for fly ash in concrete. It showed pumice to be the ideal natural pozzolan for significant improvements to concrete in critical infrastructure applications. Read more.


(b) CO2-Cured Concrete Outperforms Portland Cement
Starting with a sustainable cement, the CO2-curing technology reduces water consumption in the production of concrete up to 80 percent, carbon emissions up to 70 percent, and the curing time to one day. Read more. 

(c) New Mobile Concrete Mixing Plant  
Rapid International has unveiled a new mobile concrete mixer in response to increased need for a "mobile continuous mixing plan." The twin-shaft mixer is believed to be the first of its kind, and has a "controls system that weighs all materials and a double hopper cement weighing system. Readmore. 


(d) Greenest Office Building on Capitol Hill Stays Cool without Air-Conditioning
Seattle's Bullitt Center is said to be the greenest building in the world -- and a recent heat wave gave operators a chance to show off exactly what their air-conditioning-free building can do. Sun-deflecting blinds, radiant cooling technology and "night flush" ventilation all helped to keep occupants cool. Read more.


(e) NIST Net-Zero Energy House
You can breathe easy in the net-zero energy house at the National Institute of Standards and Technology (NIST). After 15 months of monitoring, researchers report that even with its airtight construction, air quality inside the two-story house-cum-laboratory bests the air quality in new, conventionally built houses. Read more.

(f) Steel-Plate Composite (SC) Construction for Improved Sustainability and Resiliency of Nuclear Power Plant Structures
The disaster at the Fukushima nuclear power plant in Japan has forced plant designers to look at the construction of nuclear power plants from both a safety and sustainability aspect. Bechtel's Sanjeev Malushte and Purdue University civil engineering professor Amit Varma explore some options that could accomplish that, including increasing the resiliency of reinforced concrete, incorporating seismic isolation methods and using steel-plate composite construction. Readmore. 


(g) Precast Concrete Helps Reduce On-Site Labor Requirement
Midwest-based Wells Concrete makes precast architectural and structural products. This article looks at the company, its manufacturing process and the benefits of precast in terms of cost, efficiency and labor. Read more. 


(h) High Performance Building Requirements for Sustainability
High Performance Building Requirements for Sustainability (HPBRS) provides mandatory language for increased resistance to disasters, reductions in the amount of repair and number of buildings that need to be reconstructed after disasters. 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 302.1R-15 Guide to Concrete Floor and Slab Construction
This guide describes how to produce high-quality concrete slabs-on-ground and suspended floors for various classes of service. It emphasizes such aspects of construction as site preparation, concrete materials, concrete mixture proportions, concrete workmanship, joint construction, load transfer across joints, form stripping procedures, finishing methods, and curing. Read more.


(c) RCMD Reinforced Conc: Mechanics & Design

Author: James K. Wight Publisher:Pearson Prentice Hall. This publication uses the theory of reinforced concrete design to teach readers basic scientific and artistic principles of civil engineering. The text takes a topic often introduced at the advanced level and makes it accessible to all audiences by building a foundation with core engineering concepts. The Seventh Edition is up-to-date with the latest Building Code for Structural Concrete, giving you access to accurate information. Readmore.


(d) ACI 325.9R-15 Guide for Construction of Concrete Pavements
The primary focus of this guide is pavement construction. Modern slipform paving techniques and time-proven formed construction procedures are highlighted. Quality control, quality assurance, and construction inspection, as well as the environmental, economic, and societal benefits of concrete pavement, are also presented. Read more.


(e) ACI-SP-302: Eleventh International Conference on Superplasticizers and Other Chemical Admixtures in Concrete: 
Contains 37 papers presented at the Eleventh International Conference on Superplasticizers and Other Chemical Admixtures in Concrete in Ottawa, Canada. in July 2015. Topics include; Effect of Clinker Grinding Aids on Static Yield Stress of Cement Pastes; New Additive to Enhance the Slump Retention; Mastering Flow Loss in Superplasticized Cementitious Systems. Read more.


(f) Guide to the Code for Evaluation, Repair and Rehabilitation of Concrete Buildings
This new guide provides guidance and assistance to professionals engaged in the repair of concrete buildings. The guide has been developed to serve as an invaluable companion to ACI 562-13. 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) Construction Professionals Need Training
The inexperienced workers will make greater strides more quickly in their performance efforts and the seasoned veteran will be able to recall and retrain on the basics, if construction companies make training workers a priority. 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) History of concrete and cement: View Video

(f) Blended Aggregates for Concrete Mixture Optimization: Best Practices for Jointed Concrete Pavements: Download FHWA document here. 

(g) Workshop on "Achieving Excellence Through Mindfulness": View Details.


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.


Event


First International Ultra-High Performance Concrete Symposium: July 18-20, 2016 - Des Moines, Iowa, USA: Read more.




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Thursday 2 July 2015

Volume: 3, Number 3, April - June 2015

                                                                           
                                                                            
                                                                                               
                                          *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.

Professional Bulletin: View Archives
-----------------------------------------------------------------
Join Dr J D Bapat's  professional network: on Linkedin (jdbapat@yahoo.co.in),  on Twitter @ cemcretecon
----------------------------------------------------------------
Cement Manufacturing


(a) Bioglycerol as a Multipurpose Grinding Additive for the Manufacture of Cement
Bioglycerol, or crude glycerol, is impure glycerol obtained as a by-product in the biodiesel industry. Researchers now show that it is possible to employ bioglycerol as a multipurpose grinding additive for the manufacture of cement, with better performance than pure glycerol. Cements with bioglycerol are produced with lower energy consumption and the finished concrete structures have significantly better mechanical properties and corrosion resistance. Read more.


(b) Cement Company to Build Conveyor System to Transport Limestone
Construction is set to begin on a 4.7-mile conveyor system to transport limestone from Lehigh Cement Co.'s New Windsor quarry to its Union Bridge facility. Read more. 


(c) Carbon Capture from Cement Production
Membrane-based technology developed at the Norwegian University of Science and Technology (NTNU) is one of four technologies that may be used in a full-scale CO2 capture project – in a cement factory. Read more.


Concrete, Mineral and Chemical Admixtures


(a) Precast concrete for a highway project in Toronto
Will shave eight years off the project’s time frame but add at least $318 million more to the anticipated $1-billion-plus cost. However, the project is expected to save at least $2.4 billion due to less congestion. A report recommended using ultrahigh-performance concrete because it is four times stronger than conventional concrete which reduces life cycle costs. Read more. 


(b) Ferry Terminal Built on Floating Concrete
A 262.5-by-65-foot floating concrete pontoon is the base of a ferry terminal in Tasmania, Australia. It's anchored to the ocean floor by cables. Read more.


(c) 3D printing is Changing Global Construction Industry
The concept of 3D printing has been hovering around for some time now. The actual use of 3D printing and its adaption into the construction industry is now starting to become a reality. Architects and contractors around the world are beginning to build the first 3D residential structures including houses and apartment buildings. Read more.


(d) World's Seven Sustainable Buildings
Fortune created a list of seven buildings noted for their sustainable design and construction. Included in the list are Norway's Powerhouse Kjorbo, a renovated building that became energy-positive; Seattle's Bullitt Center, which claims to be net-zero in water, energy and carbon; and Pittsburgh's Tower at PNC Plaza, with a solar chimney. Read more. 


(e) Lafarge & Solidia Commercialize New Low-Carbon Solution for the Construction Sector
Lafarge will offer a complete solution - sustainable cement and CO2-cured concrete - in partnership with Solidia. Read more.


(f) Precast Construction Technique Reduces Delays and Costs.
The Wisconsin Department of Transportation used precast and prestressed concrete elements on a bridge project, significantly reducing construction time and cost. Read more.

(g) Story of Hoover Dam
Constructing the Hoover Dam was an important economic tool during The Great Depression and helped tame the Colorado River. This article looks at the engineering and building feats involved in creating the 1,244-foot-long, 726.4-foot-high dam with a 660-foot wide base, and notes that it took 3,250,000 cubic yards of concrete to complete. Read more.

(h) Floating Bridge in Seattle

The world's longest floating bridge will soon be eclipsed by a newer, longer span a few feet away on Lake Washington in Seattle. 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 327R-14 Guide to Roller-Compacted Concrete Pavements
This guide provides owner-agencies, contractors, materials suppliers, and others with a thorough introduction to roller-compacted concrete (RCC) and its many paving applications. Readmore.


(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) Earthquake Resistant Buildings:
Author: Apostolos Konstantinidis, Publisher: Alta Grafico A.E.: Volume A &Volume B


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) Wind Engineering: ASCE Structural Design for Wind Loads                                         In this course Dr. Emil Simiu, fellow at the National Institute of Standards and Technology (NIST), will provide structural and architectural engineers with the practical knowledge and tools needed for the design of structures for wind loads. 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) Precast Concrete Walls. Watch Video 


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.



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Thursday 2 April 2015

Volume: 3, Number: 2, January - March 2015

                                                                                             
                                     *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: on Linkedin (jdbapat@yahoo.co.in),  on Twitter @ cemcretecon
----------------------------------------------------------------
Cement Manufacturing

(a) Alternative Fuels at Cement Hranice
In its first few months of operation, the kiln has worked with a specific heat consumption of 3410 kJ/kg of clinker at 4000 Nm3/h bypass. The average coal/alternative fuel ratio is now 56:44, achieving a saving of CZK9.5/GJ on thermal energy costs. Read more. 


(b) Mass Balance of Dioxins over a Cement Kiln in China, Yeqing Li, et. al. Waste Management, Volume 36, February 2015, Pages 130–135 
The cement production process may be a potential source of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs, “dioxins”), due to the widespread distribution of dioxins and potential precursors in raw materials and to conditions favorable to de novo formation in the heat exchangers. Read more.



Concrete, Mineral and Chemical Admixtures


(a) World’s Longest ‘Flat Pack’ Arch Bridge
Civil Engineers at Queen’s University Belfast have developed the world’s longest ‘flat pack’ arch bridge. Made up of 17 units (1m wide) of pre-cast concrete, each weighing 16 tons, the bridge will take less than a day to install using a 200-300 ton crane in association with a lifting beam also designed and built in Northern Ireland. Read more.


(b) PICP can Mitigate Runoff Concerns 
Permeable interlocking concrete pavement (PICP) can help help solve the problem of stormwater management. PICP cleans, detains and reduces the amount of stormwater which has to be handled and has been used effectively at several sites, although care must be taken to arrive at the proper design. Read more.


(c) Vertically Stacked Concrete Blocks in Construction
Located at the heart of Vietnam’s Ha Tinh city, H&P architects has completed a 1,300 square meter office building on a relatively small budget of $500,000 USD. The project adheres to three key principles: a distinctive design, quick construction time and a minimum overall cost. Readmore.


(d) Innovative Techniques are Helping to Create World's Largest Dams 
Innovation at two roller compacted concrete dams in Ethiopia and a conventional, vibrated concrete one in China. Read more.

(e) Off-site Construction Techniques Gain Momentum
Off-site construction limits site construction as much as possible in favor of building the majority of a structure at a manufacturing facility and then assembling on site later. Read more.


(f) Tough Two-span Bridge Remains Usable after Severe Shaking in Quake Engineering Test
Experiment by University of Nevada, Reno, shows new techniques and materials, we will usher in a new era of super earthquake-resilient structures. Read more.


(g) Concrete to Guard Against Corrosion of Steel Pipe
A $146 million, 5.3-mile-long water tunnel in the metro Washington, D.C., area is complete. It is the largest infrastructure project in the agency's history and required boring through solid bedrock up to 200 feet underground. A steel pipe runs through the bedrock tunnel, and a coating of concrete guards against corrosion. Read more.  


(h) Innovations Featured in Oregon Bridge Replacement

Prefabricated steel arches, liquid nitrogen-cooled concrete and two perched box caisson river piers are facilitating the construction of a new $307.5-million Sellwood Bridge in Portland, Oregon. Read more.


(i) Building Information Modelling is Transforming Construction Industry

Building Information Modelling – better known as BIM – is the future of the construction industry. Read more.


(j) Photocatalytic Concrete

A bridge spanning a major road in Barcelona will be coated in photocatalytic concrete, allowing it to "eat" pollution. The material uses energy from the sun to break down polluted air into little more than oxygen and water, keeping the bridge and air around it cleaner. 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 329R-14 Report on Performance-Based Requirements for Concrete
This report discusses the differences between performance and prescriptive requirements for concrete, and provides information on developing performance requirements as an alternative to the current prescriptive requirements in codes and specifications. Readmore.


(c) ACI 306R-10: Guide to Cold Weather Concreting
The American Concrete Institute's 306R-10, Guide to Cold Weather Concreting, helps guide concrete placements in cold weather to optimize performance. The document gives recommendations and shows that previous temperature guides have been too conservative. However, the two authors, both concrete professionals, suggest that people use the guide as a tool, not a rule. Read more.


(d) ACI 327R-14 Guide to Roller-Compacted Concrete Pavements
This guide provides owner-agencies, contractors, materials suppliers, and others with a thorough introduction to roller-compacted concrete (RCC) and its many paving applications. This guide describes RCC and how it works as a paving material, how it compares to concrete pavement, its common uses and benefits, and potential limitations compared to other paving materials.        Read more.

(e) Benefits of Post-Tensioning
This article looks at the differences between pre- and post-tensioning of concrete. It delineates the advantages found in post-tensioning, including reducing the amount of steel and concrete needed, creating thinner slabs that can bear heavier loads and offering greater layout flexibility. 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.

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) Building Better Cities: Watch this Lafarge video 


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) 2015 IEEE-IAS/PCA Cement Conference, Toronto, Canada, April 26 - 30, 2015: Sustainable strength through innovation. Read more.




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