Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 23 for “"Recycled plastic"”.
-
Standardization of recycled plastic materials for additive manufacturing
… and a 3D-printer equipped with an extruder. Recycled polymeric materials can be used as feedstock for this technology. This thesis aims to enhance the quality of some plastic wastes to meet the standardized thermal and mechanical properties and make them suitable for 3D printing. In the …
-
Irradiated recycled plastic as a concrete additive for improved chemo-mechanical properties in hardened cement pastes
… the concrete's strength. The use of waste plastics in concrete has been explored as a means of improving concrete's mechanical properties while also providing an efficient way to both re-purpose waste plastic and partially displace cement for the purpose of reducing carbon emissions. This …
-
Characterizing and Real-Time Monitoring of Various Types of Waters and Wastewaters Contaminated With Algae, Recycled Plastic Powders, and Clay Using the New Electrical Methods With Vipulanandan Models
This study presents an advanced framework for real-time monitoring of contaminated water systems using Electrochemical Impedance Spectroscopy (EIS) integrated with the Vipulanandan Case-2 Smart Cement Model. The research bridges environmental water-quality assessment and impedance-based material …
-
Low cost fencing material for a pre-school in Lavender Hill
… considered in this project are: -Various plastic polymer materials -Plastic Lumber composite material -Recycled Plastic -Rubber reinforced concrete Plastic lumber and recycled plastic HDPE were considered for use in the fence material. After considering the available fence components and …
-
Design of Floor Joists Manufactured via Large Scale Additive Manufacturing
… lack adequate housing. An enormous amount of plastic is produced in the world; most of it doesn’t get recycled. The MIT HAUS group is looking to solve both of those issues by 3D printing homes out of recycled plastic. The group has printed foundation components using thermoplastic composites. …
-
Modeling Material Properties of Natural Fiber-Polymer (Grain Bags) Composites
… find an effective way for disposal of existing plastic and a suitable, sustainable alternatives for plastic. During the recent past, natural fiber reinforced recycled plastic composites (NFCs) have emerged as a lucrative option to not only increase the life cycle of waste plastic but also …
-
Mechanical characterization of aged recycled polymers and applications
… compression, impact, hardness and creep) of recycled acrylonitrile butadiene styrene (ABS) and polycarbonate (PC) thermoplastics obtained as electronic shredder residue (ESR) from computer housings. Three forms of polymers, i.e., virgin, blend of virgin and recycled, and 100% recycled were …
-
A Laboratory and Field Study of Composite Piles for Bridge Substructures
… composed of fiber reinforced polymers (FRPs), recycled plastics, or hybrid materials. Composite piles may exhibit longer service lives and improved durability in harsh marine environments, thereby presenting the potential for substantially reduced total costs. Composite piles have been …
-
Development of Commercial Applications for Recycled Plastics Using Finite Element Analysis
… the suitability of thermo-kinetically recycled plastics for use in commercial product applications using finite element analysis and statistics. Different recycled material blends were tested and evaluated for their use in commercial product applications. There are six different blends …
-
Recycled material selection for affordable and sustainable homes using large scale additive manufacturing
… heavily by the cost of materials required. Plastic waste is also at an all-time high, with over 5 billion tons of plastic on the earth's surface and in its oceans. This waste will take hundreds of years to degrade if not longer and incentives and use for recycled plastic is needed now more …
-
Design for the environmental emergency: Plastic chairs and the transition to low-carbon product design
Analysing the intersection between plastics, environmentally-conscious design, and consumption through a focussed study of plastic chairs, this dissertation casts new light on best practice for sustainable furniture design. Plastic chairs are ubiquitous but remain objects of constant innovation and …
-
Incorporating Recycled Plastics in Asphalt Binders and Mixtures
Plastic has become an unavoidable material in modern life, and its existence spans from food packaging to transporting goods. Due to the low cost and durability of plastic products, the growth in plastic production has been increasing exponentially. The increased production increased plastic waste. …
-
Estudio de prefactibilidad para la instalación de una planta de producción de camisas elaboradas a base de algodón y poliéster reciclado
… of a shirt-making plant based on cotton and recycled polyester aimed at the national market, with the main objective of demonstrating the technical, economic, financial, social, and environmental viability of the market. The product to be developed finds its differentiating factor in its raw …
-
Estudio de prefactibilidad para la instalación de una planta de producción de calzado deportivo hecho a base de plástico reciclado y látex de shiringa (Hevea brasiliensis)
… a production plant for sports footwear made of recycled plastic and rubber latex", which aims to create an eco-friendly product by adding the variable ecology in the process of shoe production and the lack of an environmental culture in society. Currently, few companies do not worry about …
-
Effect of Recycling Stream Contaminants on Extrusion and Mechanical Properties of rPET
… of applications including the potential to use recycled plastics. A type of 3D printing that can use recycled plastics is Fused Granulate Fabrication, which takes in polymer pellets and melts them down in a screw and barrel before extruding them layer by layer. The process of turning plastic …
-
An experimental study of high-performance concrete using metakaolin additive and polymer admixture
… It also investigates the effect of additional recycled plastic and glass fibre as reinforcements used in the modified concrete. Firstly, trial mixes of 460 cubes, 24 cylinders and 30 prisms were made to study the setting time, workability, mechanical properties and water absorption of the …
-
Material flow analysis of plastic in Iceland : moving towards a circular economy
This research thesis analyzes the flow of plastic materials in Iceland and highlights changes needed to move the current system towards a more circular economy. A circular economy is an economic system that seeks to use materials to their fullest without needing to send them to a landfill and helps …
-
Tomorrow's Bottle: A Civic Building in Alexandria, VA
… and (2) an educational experience about the plastic recycling program to local residents and youth groups. The design pushes local recycling solutions with a small production warehouse space. It promotes recycling plastic materials into construction materials like lumber and blocks. In this …
-
An investigation into the use of plastic chips to reduce collapsibility in loess-like soils at Mount Moorosi Village, Lesotho
… polyethylene (LLDPE) pellets, made from recycled plastic waste, were blended with the soil at concentrations of 3, 6 and 9 % by mass, before being subjected to pycnometer, oedometer and triaxial tests, to determine the specific gravity of the blended soil as well as the settlement and …
-
Technologies for plastic recycling
The global production of plastic is continuously increasing, primarily due to its extensive use in the packaging sector. The demand for high-quality materials in packaging, combined with the low cost of virgin polymers compared to recycled materials, has led to a preference for new plastics. …
Page 1 of 2