Thus concrete is brittle and prone to cracks if too much weight is applied. Bendable concrete june 2426, 2008 ann arbor, michigan learn how this revolutionary material meets structural and durability challenges mixed and applied using traditional methods, this advanced synthetic. Ecc concrete might be triple that of traditional concrete. Bendable concrete seminar report, ppt, pdf for civil. This article will enlighten a unique construction material i. Bendable concrete it also known as engineered cementitious composites abbreviated as ecc is class of ultraductile fiber reinforced cementitious composites, characterized by high ductility and tight crack width control. Advantages and disadvantages of concrete civil engineering.
New bendable concrete that is stronger and more durable by nanyang technological university ntu asst prof yang enhua holding the bendable concrete developed by his team. The seminar report on selfcompacting concrete which explains the mix design, advantages and disadvantages, applications, properties,process of making selfconsolidating concrete, theoretical and experimental studies with test results. It cannot be over hydrated so an excess is recommended. Flexible concrete concrete reinforced concrete free.
Engineered cementitious composites abbreviated as ecc also known as bendable concrete. This lack of bendability is a major cause of failure under strain and has been a pushing factor in the development of an elegant material namely, bendable concrete also known as engineered cementitious composites ecc. Download full civil engineering seminars in doc, pdf or ppt format. Experimental investigation on bendable concrete by using admixtures article pdf available november 2018 with 3,888 reads how we measure reads. Materials division business virginia department of. Welcome to if your computer is acting strange, we can help you to fix your computer and help with virus and spyware removal. The word cement is interpreted in a wide sense, including not only portland cement but also blended cements and other. Concrete basicsaims to provide a clear, concise explanation of all aspects of making quality concrete.
It is a class of ultraductile fibre reinforced cementitious composites characterised by. Transparent concrete can be used as a structural element and it contains between 2. Pdf engineered cementitious composites ecc material. Bendable concrete technical name engineered cementitious composites, or ecc is a ductile concrete material that overcomes the brittleness of normal concrete. New lighter, tougher, and bendable concrete aims to. The most important binding materials are cement and lime. Introduction the recently developed smart building material namely bendable concrete also known as flexible concrete or engineered cementitious composite ecc, was developed by the professor victor li at the university of michigan. The flexural stress of the flexible concrete sheet is measured. She has attended two international and national seminars workshops.
When constructed correctly and in the right conditions, concrete structures can easily last 50 to 100 or more years however, in most cases time, wind, rain, and shifts in the earths crust can start to form cracks in concrete. Also explore the seminar topics paper on bendable concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. Bacterial concrete latest seminar topics for engineering. In direct tension, bendable concrete with tensilestrain capacity of 3%, is 300 times more deformable than typicalconcrete. The ductile, or bendable, concrete is made mainly of the same ingredients in regular concrete minus the coarse aggregate, li said. Seminar presentation is a key element of civil engineering. It is special type of concrete that can take the bending stresses.
Bonded weigh program training manual pdf march, 2018. Inert materials used in concrete are termed as aggregates. Performance study of ecofriendly bendable concrete with partial. Seminar presentation is a key element for each engineering student to have more communication skills and develop leadership qualities. Download lightweight concrete seminar reports, abstract. May 7, 2005 a new type of fibrereinforced bendable concrete will be used for the first time in michigan this summer. After 10 years of experimenting, palmer patented the design in 1900. Cementitious composite ecc is an ultraductile concrete with strainhardening and. Plain concrete possesses a very low tensile strength, low ductility and little resistance to cracking. The test is done in accordance with the is124672004. The compressive strength of the flexible concrete mould has found to be greater than normal concrete i.
Thus, the strength of the beams has improved back to 81. New bendable concrete that is stronger and more durable. This journal is designed to reflect current developments and advances being made in the general field of cementconcrete composites technology and in the production, use, and performance of cementbased construction materials. Bendable concrete gains ground news in brief new computing techniques based on genetics and evolutionary theory could transform the manufacture of iron and steel, according to research published in the current issue of materials and manufacturing processes vol 20, no 3. To combat this, nanyang technological university scientists from the ntujtc industrial infrastructure innovation centre c have invented a new type of concrete called the conflexpave. Vtu civil engineering seminar topics with pdf reports and ppt.
Conventional concretes are almost unbendable and have a strain capacity of only 0. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. Developed by university of michigan scientists, the new concrete looks like. Developed by michigan scientists, the new concrete looks like regular. There are, however, m any variations of this procedure and a few are listed below. Concrete basicsaddresses the needs of unskilled and semiskilled persons undertaking general concreting projects including home and handyman projects. Engineered cementitious composites ecc material, structural, and durability performance article pdf available june 2011 with 9,049 reads how we measure reads. Materials overview for business transformation office. Concrete is considered as a chemically combined mass where the inert material acts as a filler and the binding materials act as a binder.
Bendable concrete a stronger, more durable concrete giatec. It looks exactly like regular concrete, but under excessive. A bendable concrete is composed of all the ingredients of a traditional concrete minus coarse aggregates or crushed stones and is reinforced with micromechanically designed polymer fibers. This material is capable to exhibit considerably enhanced flexibility. Research article international journal of recent scientific research. Also explore the seminar topics paper on skyscraper with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. Concrete is, after all, a macromaterial strongly influenced by its nanoproperties and understanding it at this new level is yielding new avenues for. The ecc bendable concrete bridge preservation blog. Download the latest pdf and ppt on slideshare for civil projects. Locally administered projects manual updates and materials quality assurance plan requirements may 11, 2015. The civil topic of the seminar you selected will determine your favourite civil engineering subject. Materials notebook resource document pdf 2 mb march 16, 2015. Bendable concrete seminar report, ppt, pdf for civil engineering. Explore skyscraper with free download of seminar report and ppt in pdf and doc format.
The first hollow concrete block was designed in 1890 by harmon s. Scientists in singapore have created a new type of concrete that bends, but is more durable and sustainable than the typical concrete. Admixtures are those ingredients in concrete other than portland cement, water, and aggregates that are added to the mixture immediately before or during mixing fig. The ascc brings concrete contractors together with access to exclusive seminars, conferences, forums, and other events.
Civil engineering seminar topicsfree download engineering. Also, this is a great way to express your interest. Polyvinyl alcoholfibres covered with a very thin nanometer thick, slick coating which prevents the fibre from. Unlike regular concrete, ecc has a strain capacity in the range of 37%, compared to 0. This material can bring the revolution because of its some special quality such as flexibility, selfhealing, lighter weight, etc. Explore bendable concrete with free download of seminar report and ppt in pdf and doc format. Join the ascc today to register for exclusive events and receive memberonly discounts on national conferences. A new type of fibrereinforced bendable concrete will be used for the first time in michigan. Research continues to improve our understanding and refine our implementation of new materials. Typical concrete is characterised by its heavy, brittle qualities which lends itself to breakage under tension.
How bendable concrete works typical concrete comprises cement, water, gravel and sand. Ecc is designed to overcome the inherent brittleness of concrete by having high tensile ductility and the ability to selfheal tight cracks. Free download ultra high performance concrete seminar ppt. Inspect all materials used in the construction of concrete. Most common aggregates are sand, brick chips, stone chips, gravel, shells, etc. All about flexible concrete or bendable concrete engineered. This study focuses on the properties of bendable concrete, in which the.
Engineered cementitious composite ecc, also called strain hardening cementbased composites shcc or more popularly as bendable concrete, is an easily molded mortarbased composite reinforced with specially selected short random fibers, usually polymer fibers. Pdf experimental investigation on bendable concrete by. Concrete cloth can be hydrated using saline or nonsaline water. Composition of ecc bendable concrete is composed of all the ingredients of a traditional concrete minus coarse aggregates and is reinforced with polymer fibres. The bacterial bacillus pasteruil in the concentration of 8. While this mixture makes concrete hard and strong, it does not promote flexibility. It contains cement,sand, water, fibres, and admixtures. Polypropylene fiber, bendable concrete, compressive strength, bend.
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