Behavior of Self Compacting Concrete Partial Replacement of Coarse Aggregate with Pumice Lightweight Aggregate
N. Ramanjaneyulu1, M. V. Seshagiri Rao2, V. Bhaskar Desai3

1N. Ramanjaneyulu, Research Scholar, Assistant Professor, Department of Civil Engineering, JNTUA College of Engineering, Anantapuram A.P. CVR College of Engineering, Hyderabad (Telangana), India.
2M. V. Seshagiri Rao, Professor, Department of Civil Engineering, CVR College of Engineering, Hyderabad (Telangana), India.
3V. Bhaskar Desai, Professor, Department of Civil Engineering, JNTU Anantapur, (A.P), India.
Manuscript received on 02 May 2019 | Revised Manuscript received on 14 May 2019 | Manuscript Published on 28 May 2019 | PP: 434-440 | Volume-7 Issue-6C2 April 2019 | Retrieval Number: F10790476C219/2019©BEIESP
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Abstract: Concrete with low density is termed lightweight concrete. The unit weight of such concretes is about two-thirds of normal concrete. Most structural lightweight concretes weigh between 1600 and 1760 kg/m3. Design strengths between 20 to 35 MPa are common. The lightweight nature of these concretes is usually obtained either by using lightweight cellular aggregates. LWC can be produced by using lightweight materials like Lightweight Expanded Clay Aggregate, Pumice stone, expanded shale, Perlite etc. Structural lightweight aggregate can be produced naturally or from environmental waste. use of these aggregates can reduce the density of concrete, the self-weight of the structure and it helps to construct larger precast unit. Lightweight concrete (LWC) is an exceptional solution in terms of decreasing the dead weight of the structure, while self-compacting concrete (SCC) eases the pouring and eliminates construction difficulties. Investigations are also reported the literature on the performance of micro silica in SCC wall panels. The Self-Compacting Concrete made by partially varying coarse aggregate with the lightweight pumice aggregate is described in the paper. This paper presents the fresh and hardened properties of low strength grade and standard grade, self-compacting concrete partially incorporating pumice as coarse aggregate with different replacements.
Keywords: Pumice Light Weight Aggregate, Super Plasticizers, VMA, SCC, Micro Silica etc.
Scope of the Article: Properties and Mechanics of Concrete