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Lightweight concrete

Lightweight concrete (LWC) boasts a rich history dating back to ancient Roman times and has gained popularity due to its lower density and superior thermal insulation properties. In comparison to normal-weight concrete (NWC), LWC significantly reduces the dead load of structural elements, making it particularly appealing in multi-story buildings. While most studies on LWC focus on "semi-lightweight" concretes, which use lightweight coarse aggregate and natural sand, there is potential for even greater environmental and economic benefits if waste materials replace the fine lightweight aggregate. With a history spanning over two millennia, the technical development of lightweight concrete continues to progress. This review begins with a retrospective, providing an overview of the diverse applications covered by lightweight concrete in the last century. Despite its proven technical potential, there are still hesitations and uncertainties in practice. To address this, the review delves into lightweight aggregate properties and various types of lightweight concrete, placing a special emphasis on current standards. Drawing from 25 years of practical and theoretical experience in the field, the review highlights the need for adaptations in design, production, and execution rules when working with lightweight concrete, which often deviate from those applied to normal weight concrete. Certain aspects prone to misunderstandings, such as nomenclature and the informational value of specific tests, are explored. The review addresses frequently occurring problems related to the mix design and production of lightweight concrete, elucidating unintended consequences. Additionally, a critical examination is provided of information found in existing European concrete standards regarding the mechanical properties of structural lightweight concrete. The review concludes by presenting the latest stage of development in very light lightweight concretes. Introducing Infra-lightweight concrete as an innovative approach, it aims to further extend the applications of lightweight concrete. This section provides background knowledge and experiences from case records, shedding light on an exciting frontier in the evolution of lightweight concrete.

Published by: Ashlesha Nirbhavane, Sanchita Pingat, Sneha Khaire, Pratiksha Bharati, Kaivalya Dahiphale, Sayali Patil

Author: Ashlesha Nirbhavane

Paper ID: V10I1-1180

Paper Status: published

Published: January 30, 2024

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Research Paper

The Impact of Artificial Intelligence on Design Engineering

The purpose of this research paper is to evaluate the role of artificial intelligence in the field of design engineering by discussing the contribution of artificial intelligence to the field of design engineering. This research paper further examines whether using artificial intelligence can be advantageous or disadvantageous to design engineers and to relevant stakeholders, by critiquing it through secondary sources. This research paper analyzes the growth of artificial intelligence in various aspects related to design engineering and explains the reasons behind the same, using primary sources.

Published by: Aashray Aggarwal

Author: Aashray Aggarwal

Paper ID: V10I1-1178

Paper Status: published

Published: January 24, 2024

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Research Paper

Natural Filtration: How Soil Acts as a Cleansing Agent for Wastewater

Due to the unprecedented urban expansion, there has been an alarming surge in the demand for water, leading to an unsustainable depletion of groundwater resources. The accelerated rate at which these resources are tapped has outpaced any efforts for adequate replenishment, endangering the very foundation of our water supply. It is imperative that we not only safeguard existing water reservoirs but also explore alternative strategies to augment them. The responsible management and preservation of water resources are paramount for securing the future of our communities. As a result of this critical water scarcity, the concept of reusing water has emerged as an indispensable solution. One viable option involves harnessing treated wastewater effluents. Rapid urbanization has given rise to substantial sewage generation, contributing significantly to the contamination of water, soil, and air when discharged indiscriminately. To mitigate this environmental crisis, sewage must undergo treatment in dedicated facilities, yielding substantial quantities of effluents. The challenge at hand is to transform these effluents, which not only go to waste but also pose environmental threats, into a purified and reusable form. The pivotal question arises: how can the effluents from sewage treatment plants be efficiently converted into pristine water? Soil, a ubiquitous and cost-effective resource, emerges as a formidable solution. Renowned for its prowess as a physical, chemical, and biological filter, soil possesses the unique capability to act as a natural cleanser of water. The pressing national issue of water scarcity demands an innovative approach, and utilizing soil to transform sewage effluents into a valuable water source stands as a formidable task that requires our immediate attention and commitment.

Published by: Tejas Patil, Rishab Sharma, Maithil Patil, Utkarsha Kharat, Rignesh Patil, Asmita Kulkarni

Author: Tejas Patil

Paper ID: V10I1-1177

Paper Status: published

Published: January 24, 2024

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Research Paper

The Impact of Stress and Anxiety on Indian Teenagers: Causes, Consequences, and Coping Strategies

The escalating prevalence of stress and anxiety among Indian teenagers poses a significant challenge to their mental health. This research delves into the intricate facets of stress and anxiety in this demographic, aiming to identify contributing factors, explore long-term impacts, and examine effective coping strategies. A structured survey, administered through Google Forms, involved 243 participants aged 13 to 19 from diverse schools in India. Academic pressure emerged as the most common stressor, followed by social media, peer pressure, family conflicts, and personal expectations. Consequences encompassed negative impacts on mood, physical symptoms, and impaired academic performance. Coping strategies identified include exercise, mindfulness, social support, and journaling. Despite limitations, the study emphasizes the importance of addressing academic pressure, family dynamics, and social factors to support teenagers effectively.

Published by: Shreya Pareek

Author: Shreya Pareek

Paper ID: V10I1-1174

Paper Status: published

Published: January 24, 2024

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Research Paper

Self compacting concrete

Self-compacting concrete (SCC) is a remarkable innovation in the field of construction materials. It represents a paradigm shift in the way concrete is designed and placed. This abstract provides an overview of self- compacting concrete, highlighting its properties, advantages, and applications. Self-compacting concrete is characterized by its unique ability to flow and fill intricate formwork under its own weight, without the need for external vibration. This remarkable property is achieved through a well-balanced mix design, incorporating high-flow ability materials, super plasticizers, and viscosity-modifying agents. SCC offers several significant advantages, including improved workability, reduced labor and equipment costs, enhanced structural integrity, and minimized environmental impact.

Published by: Zuber Shaikh, Sujal Patil, Atharva Salvi, Dharna Patil, Nikhil Mishra, Sayali Patil

Author: Zuber Shaikh

Paper ID: V10I1-1173

Paper Status: published

Published: January 22, 2024

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Research Paper

Patents vs Public Health: The Case of Pharma Companies

How do copyright laws and digital media patents intersect and interact in the protection of intellectual property in the modern age, and what are the implications for innovators, and consumers?

Published by: Sanah Lamba

Author: Sanah Lamba

Paper ID: V10I1-1151

Paper Status: published

Published: January 22, 2024

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