Essays about: "High performance concrete"

Showing result 1 - 5 of 49 essays containing the words High performance concrete.

1. 1. The Effect on Mechanical Properties in Biochar Replaced Cement & Aggregate in Concrete Before and After Fire Exposure

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Felix Hansen; Mathias Berglund; [2023]
   Keywords : Biochar; Concrete; Sintering; Fire; Mechanical properties; Sustainability; Cement; Biochar in concrete; Building industry; Concrete exposed to fire.; Biokol; Betong; Sintring; Eld; Mekaniska egenskaper; Hållbarhet; Cement; Biokol i betong; Byggindustri; Brandexponerad betong.;

   Abstract : Concrete is good as a construction material regarding fire and its properties regarding strength. However, the concrete expands and cracks due to fire resulting in structural damage. According to the literature the concrete usually loses its strength during and after fire exposure due to themechanical and physical changes. READ MORE

3. 2. Shifting Gears: Entering the Automotive Vertical

   University essay from Lunds universitet/Innovationsteknik

   Author : Tobias Anderberg; Axel Svensson; [2023]
   Keywords : Online automotive advertising; performance-based pricing; classifieds; marketplaces; transactional models; monopolistic markets.; Technology and Engineering;

   Abstract : Tradera, Sweden's leading online marketplace for circular consumption, is considering entering the online automotive advertising market in Sweden as a new vertical to diversify its business. This thesis aims to determine if Tradera should enter the online automotive advertising market and to propose a strategic roadmap for entry if it is determined to be beneficial. READ MORE

4. 3. Privacy Preserving Biometric Multi-factor Authentication

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Emil Gedenryd; [2023]
   Keywords : Fully Homomorphic Encryption; Machine Learning; Biometric Authentication; Technology and Engineering;

   Abstract : This thesis investigates the viability of using Fully Homomorphic Encryption and Machine Learning to construct a privacy-preserving biometric multi-factor authentication system. The system is based on the architecture described as ”Model K - Store distributed, compare distributed” in ISO/IEC 24745:2022 and uses the Torus Fully Homomorphic Encryption scheme proposed by Chillotti et al. READ MORE

5. 4. The effect of high-ratio biochar replacement in concrete on performance properties : Experimental study of biochar addition to concrete mixture.

   University essay from Luleå tekniska universitet/Byggkonstruktion och brand

   Author : Mina Turovaara; [2022]
   Keywords : Biochar; Concrete; Sustainability; Cement; Biochar in concrete; Carbon dioxide; Building industry; Micro-structure; Biokol; Betong; Hållbarhet; Cement; Biokol i betong; Koldioxid; Byggsektorn; Mikrostruktur;

   Abstract : Globally the emissions of carbon dioxide from anthropogenic activities are an issue regarding the future of our planet. Today the building industry is a large contributor with approximately 10 percent of the total emissions coming from energy usage in the building industry, where about 7 percent of the global CO2 emissions are connected to the cement industry. READ MORE

6. 5. Study of permanent formwork made of high-performance concrete as protection of concrete with recycled aggregate

   University essay from KTH/Betongbyggnad

   Author : Eliška Kafková; [2022]
   Keywords : Fiber-reinforced concrete; textile-reinforced concrete; high-performance concrete; concrete with recycled aggregate; fiber reinforcement; textile reinforcement; carbon footprint;

   Abstract : The production of concrete remains one of the highest CO2 producers. It consumes alarge number of primary sources of raw materials. One way to reduce emissions and rawmaterials consumption is by applying more recycled aggregates. READ MORE