Essays about: "sound strength"

Showing result 1 - 5 of 30 essays containing the words sound strength.

1. 1. Microstructures and Compressive Strength of Lake Ice in Sweden A structural Documentation and Compressive Strength Analysis of Lake Ice Cores from Uppsala, using the SonReb Method

   University essay from Göteborgs universitet/Institutionen för geovetenskaper

   Author : Julia Ladefoged; [2023-08-18]
   Keywords : ;

   Abstract : Lake ice have been utilized by humans through centuries, as transportation routes and recreational activities to name a few (Sharma et al., 2019). Despite our frequent usage of lake ice there is a lack of extensive knowledge of it. READ MORE

3. 2. The effect of furniture on room acoustic parameters and its dependence on the sound absorbing properties of the ceiling

   University essay from Lunds universitet/Teknisk akustik; Lunds universitet/Institutionen för byggvetenskaper

   Author : Huong Nguyen; [2023]
   Keywords : Room acoustics; furniture; Sabine s formula; SEA model; sound absorption; sound scattering; reverberation time; speech clarity; sound strength; Technology and Engineering;

   Abstract : In ordinary public rooms such as classrooms and offices, the base line of acoustical treatment is an absorbent suspended ceiling. Due to the non-uniform distribution of the absorptive ceiling material, the scattering as well as the absorption properties of furniture will have a significant effect on room acoustic parameters such as reverberation time, speech clarity and sound strength. READ MORE

4. 3. 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

5. 4. Optimization of a one-part geopolymerization method for lab-scale, using waste glass wool as a precursor

   University essay from Lunds universitet/Centrum för analys och syntes

   Author : Oscar Enander; [2022]
   Keywords : Materials chemistry; Geopolymer; Glass wool; Recycling; Curing time; Curing temperature; Cement; Chemistry;

   Abstract : Geopolymers are amorphous inorganic polymeric structures. They are used as binding agents and can be compared to cementitious materials such as ordinary Portland cement. This thesis aims to produce geopolymers from waste glass wool. Today glass wool is found in isolation, both thermal and sound insulation, and it is not being recycled. READ MORE

6. 5. Variations on a Wave : A case for nature, music and concert halls - Norrland's Philharmonia and Music Centre

   University essay from Umeå universitet/Arkitekthögskolan vid Umeå universitet

   Author : Carl Blix; [2022]
   Keywords : Architecture; music; mental health; waves; nature; concert hall; philharmony; biophilic design;

   Abstract : Music listening has experienced one of its major paradigm shifts in this latest generation, taking the step from analogue media into the digital sphere. Today a human can reduce stress levels by limiting noise and disturbances to shut away unwanted impressions, to find peace and tranquility or strength and courage. READ MORE