The method is mainly used for insitu castings, and can form large spans and surfaces in one continuous, structural piece, as the reinforcement is a. Pdf on nov 1, 20, saeed pourfalah and others published development of bendable concrete mixtures find, read and cite all the research you. 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. Pervious concrete, used in permeable paving, contains a network of holes or voids, to allow air or water to move through the concrete. Sweet concrete another transet project undertaken by arce and his fellow researchers involves using sugarcane bagasse ash as an ingredient in their ecc materials to increase ductility.
In the present work bendable concrete is high in flexural strength compared with conventional concrete. Bendable concrete technical name engineered cementitious composites, or ecc is a ductile concrete material that overcomes the brittleness of normal concrete. Staying away from conventional concrete has made the bridge 40% lighter, with an expected service life of 100 years. If it is a large project, this can be a major expense to repair the cracked foundation or have it redone. The compressive strength of the flexible concrete mould has found to be greater than normal concrete i. Pdf engineered cementitious composites ecc also called as bendable. Therefore the ecc acts more like a ductile material. In direct tension, bendable concrete with tensilestrain capacity of 3%, is 300 times more deformable than typicalconcrete. Apr 11, 2020 share ijertexperimental study on bendable concrete. Bendable concrete, with a design inspired by seashells. Conventional concretes are almost unbendable and have a strain capacity of only 0. Explore skyscraper with free download of seminar report and ppt in pdf and doc format.
Jul 07, 2016 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. Experimental investigation on bendable concrete using. The original seismic structure called for 2 pairs of columns ending at the top of the high rise and is connected to a 9 ft deep concrete beam using dampeners in a. While this mixture makes concrete hard and strong, it does not promote flexibility. New type of reinforced concrete can bend gineersnow. Ecc is a material designed to be ductile and is referred to as bendable concrete. This material can bring the revolution because of its some special quality such as flexibility, selfhealing, lighter weight, etc. Pdf experimental study on flexible concrete by using. Project goals closure pours 3,000 psi in 24 hours crack control.
In the present project strength characteristics of different bendable concrete mixtures are evaluated by incorporating supplementary cementitious materials such as fly ash and recronfiber. Flexible concrete concrete reinforced concrete free. New bendable concrete that is stronger and more durable by nanyang technological university ntu asst prof yang enhua holding. Bendable concrete, with a design inspired by seashells, can. Thus concrete is brittle and prone to cracks if too much weight is applied. The strain capacity of flexible concrete is three hundred times greater than the conventional concrete.
It consists of special type of materials that makes it flexible. Recron fiber in bendable concrete shows an effective. Different types of reinforcement fibres used in bendable concrete civildigital civil engineering articles concrete all about flexible concrete or bendable concrete engineered cementitious compositeecc different types of reinforcement fibres used in bendable concrete. Normal concrete is brittle in nature while ecc is ductile in nature due to this property. Unlike regular concrete, ecc has a strain capacity in the range of 37%, compared to 0. Typical concrete is characterised by its heavy, brittle qualities which lends itself to breakage under tension. Pdf on nov 1, 20, saeed pourfalah and others published development of bendable concrete mixtures find, read and cite all the research you need on researchgate. The purpose of this project is to study the durability properties of engineered cementitious composites. This article presents the experimental unconfined compressive strength results of soilcement columns to improve the soft soil gained by tan son nhat binh loi outer ring road project, located in ho chi minh city, vietnam. One project that used the bendable concrete is the mihara bridge in hokkaido, japan, which has a 5 cm ultrathin deck of ecc. Unlike regular concrete, ecc has a strain capacity in the range of 37%. The ultimate tensile strain of bendable concrete can go up to 3 to 5%. Jan 21, 2015 unveiled a fiberreinforced bendable concrete. It has wide applications and wide future scope in various fields.
Conventional concrete has the shrinkage, tensile stress and creep. To combat this, nanyang technological university scientists from the ntujtc industrial infrastructure innovation centre c have invented a new type of concrete called the. May 25, 2018 bendable concrete, with a design inspired by seashells, can make us infrastructure safer and more durable may 25, 2018 6. The test is done in accordance with the is124672004.
Pdf experimental investigation on bendable concrete by using. Different types of reinforcement fibres used in bendable. Different types of reinforcement fibres used in bendable concrete. 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. Bendable concrete seminar report, ppt, pdf for civil engineering.
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. Concrete basicsaims to provide a clear, concise explanation of all aspects of making quality concrete. In the present study, the experimental study is conducted on bendable concrete. Explore bendable concrete with free download of seminar report and ppt in pdf and doc format. The concrete is made of what lis group calls engineered cement composites.
How to build and setup a concrete foundation for garages, houses, room additions, etc part 1 duration. The use of steel reinforcement is reduced and can be eliminated. Concrete basicsaddresses the needs of unskilled and semiskilled persons undertaking general concreting projects including home and handyman projects. Yes, if it is a small project some of the cracks can be filled and repaired without too much of an added expense. 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. 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. To verify that, in this project coir fiber and polyvinyl. Ecc is used in building and infrastructure projects in several countries. New lighter, tougher, and bendable concrete aims to. Flexible concrete gains selfhealing property which helps to fill the microcracks by a complex product that is formed by the reaction of cement with the rainwater. All about flexible concrete or bendable concrete engineered. Bendable concrete could make infrastructure saferand. New bendable concrete that is stronger and more durable.
Bendable concrete, eccengineered cementitious composites, deflection, compressive strength, flexural strength the addition of highrange water reducing hrwr agent is required to impart good workability. Experimental investigation on bendable concrete using natural. The fibers added to the concrete serve to add extra strength, but more importantly to keep the newly applied concrete in place. Aug 17, 2016 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. It is special type of concrete that can take the bending stresses. Scientists at louisiana state university lsu who have been developing and testing engineered cementitious composite ecc, also known as bendable concrete, say they are close to bringing it to. Bendable concrete is one step closer to hitting the market. Lsu researchers continue work on bendable concrete, add. International journal for technological research in engineering. Mdot uses ecc on bridge in ypsilanti, becomes first in u. Used around the world ecc is used in building and infrastructure projects in several countries. Palmquist1 abstract in recent years, materials like engineered cementitious composites ecc have been in development. Bendable concrete, with a design inspired by seashells, can make us infrastructure safer and more durable may 25, 2018 6. Reduces project cost faster precast or onsite construction concrete engineering internationalminimizes maintenance cost reduces environmental impacts register online today.
No or very tight cracks bendable concrete to increase durability. Disadvantages it has a high initial cost as compared to conventional concrete. Learn more about giatec scientific inc mission and core values, or read more about giatec scientifics line of products. Introduction the flexible concrete is three times more expensive than the ordinary concrete. Nov 27, 2016 how to build and setup a concrete foundation for garages, houses, room additions, etc part 1 duration. Share ijertexperimental study on bendable concrete. Dec 20, 2018 scientists at louisiana state university lsu who have been developing and testing engineered cementitious composite ecc, also known as bendable concrete, say they are close to bringing it to. This article will enlighten a unique construction material i. However, coarse aggregates are not used in eccs hence it is a mortar rather than concrete. In the present work bendable concrete is high in flexural strength compared with. How bendable concrete works typical concrete comprises cement, water, gravel and sand. 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.
The ecc bendable concrete bridge preservation blog. Bendable concrete a stronger, more durable concrete giatec bendable concrete youtube reusable bendable flexiform plastic concrete flatwork. Bendable concrete or e ngineered cementitious composites ecc were originally developed in the 1990s by victor c. Jan 15, 2019 bendable concrete is one step closer to hitting the market. This allows water to drain naturally through it, and can both remove the normal surfacewater drainage infrastructure, and allow replenishment of groundwater when conventional concrete does not it is formed by leaving out some or all of. Experimental investigation on bendable concrete by using admixtures article pdf available november 2018 with 3,888 reads how we measure reads. 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. 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.
Engineered cementitious composite ecc, also called strain hardening cementbased composites shcc or more popularly as bendable concrete, is an easily molded mortar based composite reinforced with specially selected short random fibers, usually polymer fibers. Pdf development of bendable concrete mixtures researchgate. Flexible or bendable concrete composition and uses. 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, engineered cementitious. Pdf on nov 1, 20, saeed pourfalah and others published development of bendable concrete mixtures find, read and cite all the research you need. Bendable concrete a stronger, more durable concrete giatec. The development and testing of bendable concrete at lsu. Pdf experimental investigation on bendable concrete by.
The concrete contractor knows that it is important to measure everything correctly to prevent it from cracking as it dries. Skyscraper seminar report, ppt, pdf for civil engineering. The fly ash that is used in the project work is obtained from adhunik. Ecc engineered cementitious composites or bendable concrete. 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. Aug 17, 2016 increased tensile strength with flexible concrete. The first one is a high rise construction project in japan sponsored by kajima corporation in japan.
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