Performance study of ecofriendly bendable concrete with partial. Bendable concrete, officially called engineering cement composite ecc, has been developed over the last 10 years by prof victor li, civil and environmental engineer at michigan university, ann arbor, mi. 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. Polypropylene fiber, bendable concrete, compressive strength, bend. It contains cement,sand, water, fibres, and admixtures. It is a class of ultraductile fibre reinforced cementitious composites characterised by. The test is done in accordance with the is124672004. There are, however, m any variations of this procedure and a few are listed below. Also, this is a great way to express your interest. Admixtures can be classified by function as follows. The first hollow concrete block was designed in 1890 by harmon s. 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.
Bacterial concrete latest seminar topics for engineering. Under flexure, normal concrete fractures in a brittle. 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. Materials notebook resource document pdf 2 mb march 16, 2015. Concrete is, after all, a macromaterial strongly influenced by its nanoproperties and understanding it at this new level is yielding new avenues for. 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. In direct tension, bendable concrete with tensilestrain capacity of 3%, is 300 times more deformable than typicalconcrete. 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. In this case, using standard concrete mix was obtainconcrete with a density of 21002400kgm3, compressive.
Pdf engineered cementitious composites ecc material. Civil engineering seminar topic, latest topics for seminar. Transparent concrete can be used as a structural element and it contains between 2. Vtu civil engineering seminar topics with pdf reports and ppt. Fire behaviour of steel members penetrating concrete walls flexible pavement floods fly ash disposal and utilization the indian scenario. Engineered cementitious composites abbreviated as ecc also known as bendable concrete. Experimental investigation on bendable concrete by using admixtures article pdf available november 2018 with 3,888 reads how we measure reads.
It cannot be over hydrated so an excess is recommended. A new type of fibrereinforced bendable concrete will be used for the first time in michigan. 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. The most important binding materials are cement and lime. After 10 years of experimenting, palmer patented the design in 1900. Thus concrete is brittle and prone to cracks if too much weight is applied.
Ecc concrete might be triple that of traditional concrete. Bendable concrete seminar report, ppt, pdf for civil engineering. 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. 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. It is special type of concrete that can take the bending stresses. 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. Bendable concrete seminar report, ppt, pdf for civil. Materials division business virginia department of. It consist of special type of materials that makes it flexible.
Download full civil engineering seminars in doc, pdf or ppt format. Welcome to if your computer is acting strange, we can help you to fix your computer and help with virus and spyware removal. New bendable concrete that is stronger and more durable. How bendable concrete works typical concrete comprises cement, water, gravel and sand. Typical concrete is characterised by its heavy, brittle qualities which lends itself to breakage under tension. Bonded weigh program training manual pdf march, 2018. Flexible concrete concrete reinforced concrete free. This article will enlighten a unique construction material i. Free download ultra high performance concrete seminar ppt. Concrete cloth can be hydrated using saline or nonsaline water. The bacterial bacillus pasteruil in the concentration of 8. By and large, concrete is an extremely sturdy building material.
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. Seminar presentation is a key element of civil engineering. 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. May 7, 2005 a new type of fibrereinforced bendable concrete will be used for the first time in michigan this summer. 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. This material is capable to exhibit considerably enhanced flexibility. New lighter, tougher, and bendable concrete aims to. The civil topic of the seminar you selected will determine your favourite civil engineering subject. 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.
Best civil engineering seminar topic ppt pdf for ce students. Concrete basicsaddresses the needs of unskilled and semiskilled persons undertaking general concreting projects including home and handyman projects. It looks exactly like regular concrete, but under excessive. While this mixture makes concrete hard and strong, it does not promote flexibility. Advantages and disadvantages of concrete civil engineering. Thus, the strength of the beams has improved back to 81. Bendable concrete technical name engineered cementitious composites, or ecc is a ductile concrete material that overcomes the brittleness of normal concrete. The ductile, or bendable, concrete is made mainly of the same ingredients in regular concrete minus the coarse aggregate, li said. 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. Inert materials used in concrete are termed as aggregates.
Pdf experimental investigation on bendable concrete by. Skyscraper seminar report, ppt, pdf for civil engineering. Civil engineering seminar topicsfree download engineering. Developed by michigan scientists, the new concrete looks like regular. In a hotarid environment, rewet the material 2 4 hours after the initial hydration. Materials overview for business transformation office. The ecc bendable concrete bridge preservation blog. Engineered cementitious composites ecc material, structural, and durability performance article pdf available june 2011 with 9,049 reads how we measure reads. This study focuses on the properties of bendable concrete, in which the. Explore bendable concrete with free download of seminar report and ppt in pdf and doc format. This material can bring the revolution because of its some special quality such as flexibility, selfhealing, lighter weight, etc.
Scientists in singapore have created a new type of concrete that bends, but is more durable and sustainable than the typical concrete. Ecc is designed to overcome the inherent brittleness of concrete by having high tensile ductility and the ability to selfheal tight cracks. Conventional concretes are almost unbendable and have a strain capacity of only 0. 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. Composition of ecc bendable concrete is composed of all the ingredients of a traditional concrete minus coarse aggregates and is reinforced with polymer fibres. Cementitious composite ecc is an ultraductile concrete with strainhardening and. The flexural stress of the flexible concrete sheet is measured. 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. Join the ascc today to register for exclusive events and receive memberonly discounts on national conferences. Bendable concrete a stronger, more durable concrete giatec. Most common aggregates are sand, brick chips, stone chips, gravel, shells, etc.
Developed by university of michigan scientists, the new concrete looks like. The compressive strength of the flexible concrete mould has found to be greater than normal concrete i. 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. Locally administered projects manual updates and materials quality assurance plan requirements may 11, 2015. All about flexible concrete or bendable concrete engineered. Download lightweight concrete seminar reports, abstract. Research article international journal of recent scientific research. The ascc brings concrete contractors together with access to exclusive seminars, conferences, forums, and other events.
Polyvinyl alcoholfibres covered with a very thin nanometer thick, slick coating which prevents the fibre from. Research continues to improve our understanding and refine our implementation of new materials. Explore skyscraper with free download of seminar report and ppt in pdf and doc format. Unlike regular concrete, ecc has a strain capacity in the range of 37%, compared to 0. Inspect all materials used in the construction of concrete. Plain concrete possesses a very low tensile strength, low ductility and little resistance to cracking. She has attended two international and national seminars workshops. Seminar presentation is a key element for each engineering student to have more communication skills and develop leadership qualities. Concrete is considered as a chemically combined mass where the inert material acts as a filler and the binding materials act as a binder. Download the latest pdf and ppt on slideshare for civil projects.
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