B.C..E – 5TH YEAR (EVENING) ROLL:000810403035 Guided by Prof. Amitava Ganguly JADAVPUR UNIVERSITY FACULTY OF ENGINEERING & TECHNOLOGY DEPARTMENT OF CIVIL ENGINEERING JADAVPUR‚ KOLKATA-700 0032 [pic] CERTIFICATE OF APPROVAL This is to certify that Arijit Mitra with Roll no: 000810403035 has been prepared the project report on “WASTE WATER ENGINEERING”
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ABSTRACT Concrete has been the most preferred construction material for over five decades. It is being increasing day to day all over the world due to its versatility‚ mould ability‚ high compressive strength and many more advantages. For several years beginning in 1983‚ the problem of the durability of the concrete structures was a major topic of interest in Japan. The creation of durable concrete structures requires adequate compaction by skilled workers. One solution for the achievement of durable
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PRECAST CONCRETE STRUCTURES VISVODAYA ENGINEERING COLLEGE DEPARTMENT OF CIVIL ENGINEERING KAVALI-524201 PAPER PRESENTATION BY Author 1: Author 2: D.chanikya ‚ Ch.Lokesh
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ASSIGNMENT CONSTRUCTION METHODS AND TECHNOLOGY READY MIX CONCRETE SUBMITTED TO: SUBMITTED BY: PROF. SACHIN JAIN SONABH DHARIWAL VARUN GOEL [pic] INTRODUCTION: Ready-mix concrete is a type of concrete that is manufactured in a factory or batching plant‚ according to a set recipe‚ and then delivered to a worksite‚ by truck mounted transit mixers. This results in a precise mixture‚ allowing specialty concrete mixtures to be developed and implemented
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Kalam Azad‚ and Mohammed Abdul Hameed A STUDY OF SELF-COMPACTING CONCRETE MADE WITH MARGINAL AGGREGATES Shamsad Ahmad∗‚ Abul Kalam Azad‚ and Mohammed Abdul Hameed Department of Civil Engineering King Fahd University of Petroleum & Minerals Dhahran‚ Saudi Arabia 1. INTRODUCTION Self-compacting concrete (SCC)‚ developed first in Japan in the late 1980s‚ represents one of the most significant advances in concrete technology in the last two decades. SCC was developed to ensure adequate compaction
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MECHANICAL COMPACTION OF CONCRETE: A GOVERENING FACTOR FOR DURABILITY AND SERVICEABILITY OF THE CONCRETE Ranchhod Mata1‚ Prof. Jayeshkumar Pitroda2‚ Prof. J. J. Bhavsar3 1Student of first year M.E (C.E & M)‚ B.V.M Engineering College‚ Vallabh Vidyanagar 2Assistant Professor and Research Scholar‚ Civil Engineering Department‚ B.V.M. Engineering College‚ Vallabh Vidyanagar-Gujarat-India 3Associate Professor and PG Coordinator (M.E C E & M)‚ Civil Engineering Department‚ B.V.M. Engineering College
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Consolidation of plastic concrete is termed as compaction. In the process of compaction‚ efforts are only directed to reduce the voids in the compacted concrete. Compaction of concrete can be done either manually or mechanically. When it is done manually it is called hand compaction or tamping‚ and in second case it is termed as machine compaction. Hand compaction: Hand compaction is done with the help of steel tamping rods‚ or timber screeds. Marrow and deep members are compacted with tamping
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1. INTRODUCTION Concrete is a widely used building material‚ many concrete pavements such as bridge deck‚ highway pavements and airfield runways are constructed all over the world‚ due to its superior properties such as high strength‚ good stability‚ abrasion resistance and anti-slippage. However‚ concrete is a poor electrical conductor‚ especially under dry conditions. Concrete that is excellent in both mechanical and electrical conductivity properties may have important applications in the electrical
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Aggregates is a major part of concrete‚ it is of urgent need that we look into the influence of aggregate on the fresh as well as hardened properties of concrete. Better grading of aggregate not only will show better results in the properties of the concrete but will also help in saving expensive materials such as cement‚ fly ash and admixture. In the comparative study of influence of the aggregate on high strength concrete‚ here is an attempt to study strength characteristics of cubes and cylinders
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Advantages of mix design Mix design aims to achieve good quality concrete at site economically. I. Quality concrete means • Better strength • Better imperviousness and durability • Dense and homogeneous concrete II. Economy a) Economy in cement consumption It is possible to save up to 15% of cement for M20 grade of concrete with the help of concrete mix design. In fact higher the grade of concrete more are the savings. Lower cement content also results in lower heat of hydration and hence
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