International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 09 Issue: 05 | May 2022
p-ISSN: 2395-0072
www.irjet.net
Flexural Behaviour of Reinforced Concrete Beams Rehabilitated With Ferro-cement Laminate Mohammed Salman1, Syed Anees ur Rahman2, Faizan khan3, KanchalaNanchari4 1, 2, 3 UG
Students, Department of Civil Engineering 4 HOD Dept of Civil Engineering ISL Engineering College, Hyderabad, Telangana, India
---------------------------------------------------------------------***--------------------------------------------------------------------The maintenance, rehabilitation and upgrading of Abstract Ferro cement is a versatile construction material structural members are perhaps some of the mostcrucial formed by using hydraulic cement mortar into closely spaced problems in civil engineering applications. Moreover, a layers of a small sized wire mesh. The mesh may be of metallic large number of structures constructed in the past using the or other materials. It has a high tensile strength to properties earlier design codes in different parts of the world are and predict flexural behaviour of Ferro cement laminates by sometimes structurally unsafe according to the current replacing cement with industrial wastes to some extent. design standards. Since replacement of such deficient Portland cement weight ratio better cracking resistance elements of structures incurs a huge amount of money behaviour when compared to reinforced concrete. The main and time, strengthening has become the acceptable aim of this research work is to increase the normal beam way of improving their load carrying capacity and strength and also extend the old beam life span by using Ferro extending their service durability. Infrastructure decay cement laminate with effective utilization of fly ash and silica caused by premature deterioration of buildings and fume are optimum weight of cement. The flexural structures hasled to the investigation of several processes characteristics of various specimens were obtained for repairing or strengthening purposes. One of the experimentally. The specimens are reinforced with different challenges in strengthening of concrete structures is the layer of chicken mesh, and formed by different replacement selection of a strengthening method that will enhance the proportion strength and serviceability of the structurewhile addressing limitations such as constructability,building operations, and Keywords — Chicken mesh, Epoxy resin, Fly ash, Ferro budget. Strengthening may beneeded to allow the structure cement laminate, Flexural test, silica fume. to resist loads that were not anticipated in the original 1. INTRODUCTION design. This may be encountered when structural strengthening is required for loads resulting from wind and Cement is a versatile construction material formed by seismic forces or to improve resistance to blast loading. filling hydraulic cement mortar into closely spaced layers of Thus a completeunderstanding of Ferro cement material small sized wire meshes over a small thickness. The mesh behaviour would lead to an innovative technique for may be of metallic or any othermaterials. It has a higher strengthening of reinforced concrete beams. tensile strength to weight ratio and better cracking resistance behaviour when compared to reinforced 1.1 Need for Replacement concrete. It requires less skill and provides low cost In Ferro cement the meshes serve as reinforcement and serviceability without the loss of structural integrity. Ferro mortar serves as matrix resulting as an integral product. cement is identified as an eco-friendly technology. Ferro Engineers are continually pushingthe limits to improve the cement has proven tobe less polluting technology that uses performance of the mortar with the help of innovative all resources in amore sustainable manner. It handles waste chemical admixtures and supplementary cementitious products in a more acceptable manner than other materials. The development of new construction materials construction technologies. Ferro cement is truly and technology can partly relieve pressures on the existing sustainable and eco-friendly as it uses minimum natural building material supply and help to arrest the spiraling resources, thus mitigating the effects of global warming. rise in cost of these materials and also mayreduce in-situ These potential advantages and the novelty of the construction activities. The main benefits of fly ash and concept make Ferro cement, an attractive material for silica fume are their ability to replace certain amount of construction purpose. Ferro cement originally started with cement in the matrix and still able to display cementitious boat building and presently it has got very wide property. They reducethe cost of using Portland cement. The applications, in the fields of agriculture, water supply, fast growth in industrialization has resulted in tones of bysanitation, housing rural energy, repair and rehabilitation product or waste materials such as fly ash and silica fume. of structures etc. The use of industrial by-products as The use of these by-products not only helps to utilize these partial replacement of cement in the mortar improves waste materials but also enhances the properties of certain characteristics (Selcuk turkel & yigit altuntas 2009). mortar in fresh and hydrated state. © 2022, IRJET
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