Global Journal of Researches in Engineering, A: Mechanical & Mechanics, Volume 22 Issue 1
Construction of Concrete Wall with Resistance to Explosions- A View Shaik Himam Saheb α , Chandrashekhar σ & B. Sri Maniteja Goud ρ Abstract- The research was to give the people a great protect against the explosions by using Fiber – reinforced concrete. The Fiber – reinforced concrete is very difficult to be used in the actual Construction as the Fiber can’t be mixed up with the ready mixed concrete system. The Fiber has a high resistance against the blasts and also needed a huge load of fiber. The required amount of fiber can result in reduced in practicable and lacking quantity of fiber. It’s been very tough to put fiber – reinforced concrete on site Placing with ready mixed concrete system plant for mixing and placing. Thus, it has analysed properties of Steel and polymeric fiber to increase practicable and shaking in mixer. The beginning experimental test mixing fiber reinforced concrete has been tested in the actual field Construction of chemical plant. As the result from the test, it is expected to present to the combined fiber for required mechanical performance with unfavourable effect on practicable of the Mixture. Keywords: fiber reinforcement concrete, blast, steel. I. I ntroduction gainst Explosions and any other shock waves the structure should have a capacity of protecting people. In some facilities like plants there are a lot of people working in the area where the usage of an explosive gas is used should be defend against blasts. To maintain the protection against these actions the wall should be constructed much thicken enough with normal strength- ranged reinforced concrete. The lateral stress caused by blasts and earthquake Fiber Reinforced concrete (FRC) which is a solution know for its high energy absorption capacity and high tensile strength. The difference between concrete and Fiber Reinforcement concrete (FRC) has high tensile strength and toughness. In FRC the fiber is the main substance to improve the properties of Material. On the opposite addition of fiber in concrete mixer causes decrease workability and increase viscosity and Yield Stress, due to poor yield strength FRC with high fiber content has described as a fiber ball effect while the mixing process and negative reinforced concrete performance. Therefore, as to achieve the maximum mechanical performance without Practicable issue, Slurry Fiber Concrete was introduced. For FRC Author α σ: Department of Mechanical Engineering, Faculty of Science and Technology, The ICFAI Foundation for Higher Education, Hyderabad. e-mail: himam.mech@gmail.com Author ρ: Student, Department of Civil Engineering Faculty of Science and Technology, The ICFAI Foundation for Higher Education, Hyderabad. the fiber content should be equally fair between mechanical properties and workability. The reinforcing fibers for improving the cement Material properties have different roles or performance depending on their condition length to diameter ratio, materials or different shapes. The materials, reinforced fiber can be classified into metallic and polymeric fibers. The Metallic fiber mainly used in steel fiber increases the toughness of the Mixture. The Metallic fiber includes a high elastic modulus and high tensile strength i.e., it gives an increasing tensile strength and elastic modulus while it is taken out from the cement mixer. As the Metallic fiber has high tensile strength than cement cast, the failure practice of fiber is pulling out of the fibers, so there are different types geometrics of the Metallic fibers such as hooks, bents and different cross sections. In other way, Polymeric fibers like polypropylene, polyethylene, nylon fibers etc., Comparatively have less tensile strength and elastic modulus than metallic fiber. So, the polymeric fiber can’t advance the mechanical properties of the Mixture as compared to the Metallic fiber. Because of the good cement mechanical properties in fresh state, it has higher chance of increasing mechanical properties of mixture. Specifically, polymeric fiber has high length to diameter ratio with in diameter, and because of the flexibility of the shape it doesn’t decrease the Practicability of the Mixture than metallic fiber. The combination of different types of attain synthetic effect which are known as Hybrid fiber or cocktailed fiber. Substances like Banthia et al and Markovic et al give a resulted much better in mechanical properties of FRC with two fibers with different materials and Peng et al resulted two different polymeric fibers with different length to diameter ratios and melting point for much better work of reducing spalling damage of high-performance concrete mixture. This has made us to see the improvement of the of the wanted properties of FRC with combined fibers or hybrid fibers with low fiber content to achieve the much better Workability. Therefore, mixing of different kinds of fibers has used as a solution of low workability by low fiber content with equivalent performance. However, many research has Reported combination of fiber for increasing the Mechanical properties. More importantly the issue of securing the quality of fiber diffusion and relatively decreased Workability, it’s has been made harder to use FRC on field using ready mixed concrete system which includes A Global Journal of Researches in Engineering (A ) Volume XxXII Issue I Version I 37 Year 2022 © 2022 Global Journals
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