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.
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Showing 1 to 20 of 364 for “"Building materials"”.
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An eco-profile of building materials
… associated with the production and delivery of building materials in the U.K. in 1991. Using primary data supplied from commercial sources, an eco-profile is produced for each material by calculating the gross inputs of energy and raw materials and gross outputs of solid waste, air and water …
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Building materials used at Tacoma, Washington
Made available in DSpace on 2016-11-09T23:47:44Z (GMT). No. of bitstreams: 2 5958762_opt.pdf: 3625790 bytes, checksum: 38e01ac4723a1063446f7716c72c21f9 (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1898
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Heat and mass transfer within porous building materials
The thermal and structural performance of building elements can be significantly impaired by the presence of excess moisture. At present, designers have available only simplistic steady-state techniques to predict such effects, for example that presented by Glaser in 1959. These simple models …
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Emissions of Phthalate Plasticizer from Polymeric Building Materials
… organic compounds (SVOCs) from polymeric materials and their subsequent interaction with indoor surfaces and airborne particles was developed. The emissions model is consistent with analogous mechanistic models that predict emission of volatile organic compounds (VOCs) from building …
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Critical Moisture Conditions for Mould Growth on Building Materials
Materials that are stored or used in damp climates may be subject to mould growth. However, all materials are not equally susceptible to mould growth. For each specific material, there is a critical moisture level. If this is exceeded, there is a risk that mould fungi will develop on the material. …
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The applicability of recycled waste paper as lightweight building materials
… of recycled wastepaper as lightweight building materials with focus on contributing to sustainability in the creation of the built environment. The major aim was to develop an eco-friendly lightweight non-loadbearing block from recycled wastepaper without the use of cement as binder. …
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Calorimetric methods for the study of fungi on building materials
… project is to study the fungal growth habits on building materials as a function of humidity, temperature and other environmental parameters. The method of calorimetry is used as a way to quantify fungal activity on building materials. Calorimetry is a general, but sensitive method that can …
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Experimental procedure to evaluate air leakage through different building materials
… evaluation of air flow rate through different building materials used in the construction of building envelope. Experimental measurements of the air flow through and static pressure difference across building walls were carried out. For this purpose a new test configuration consisting of …
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Environmental and economic tradeoffs in building materials production in India
… will continue to lead to increased demand for buildings and infrastructure, and there is a real need to consider what this increase means in terms of natural resource depletion, air pollution, contributions to global warming through greenhouse gas emissions during production and transport, and …
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Developing sustainable and environmentally friendly building materials in rammed earth construction
Building rammed earth structures provides a sustainable alternative to concrete. As a building material, rammed earth exhibits very varied physical and material properties depending on the proportion of constituting soil types. When very sandy soil is used in rammed earth production, the properties …
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The development of unfired clay building materials for sustainable building construction
… a growing pressure on energy efficiency for new buildings in the UK and worldwide. This has arisen partly due to the increasing awareness of the public for sustainable building construction. In addition, there is pressure on building materials manufacturers, due to new government regulations and …
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Strategies for mitigating adverse environmental impacts due to structural building materials
… these impacts: 1. Reduce consumption; 2. Select materials to minimize impacts; and 3. Explore alternative new materials that have lesser impacts. The main findings and recommendations in each of these areas are as follows: Reduce Consumption: While absolute consumption of materials will grow with …
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Incorporation of plastics and other recyclables into building materials in Nicaragua
… determined that incorporating recyclables into building materials would be a promising method for getting use out of the recyclables. Various processes for incorporating plastic into building materials were evaluated. The Pura Vida wall used in Guatemala offers a promising building design to …
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Equilibrium moisture content measurement for porous building materials at various temperatures
… and scanning data were obtained for three test materials at three different temperatures. These data resulted from further investigating the operating range of an existing experimental apparatus and procedure. During the course of the research, the operating range and control of the existing …
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Modeling Diffusion-Controlled Emissions of Volatile Organic Compounds from Building Materials
… are a common class of indoor air pollutants. Building materials such as treated wood, pressed-wood products, wallboard, sealants, adhesives, floor coverings, and paints can be sources of VOC emissions. The knowledge-base necessary to develop effective solutions to indoor air quality problems …
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Determination of the Critical Moisture Level for Mould Growth on Building Materials
The susceptibility to mould growth varies between building materials. The factors that most affect mould growth, the relative humidity (RH) and temperature also vary in different parts of buildings. One way of preventing the growth of mould in buildings is therefore to choose building materials …
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An experimental apparatus for the measurement of moisture permeability of building materials
… for the measurement of moisture permeability of building materials. The data are for use in resolution of problems associated with moisture buildup in porous building materials. The apparatus is capable of maintaining simultaneous humidity and temperature differences across a test specimen. In …
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Modeling Diffusion-Controlled Emissions of Volatile Organic Compounds From Layered Building Materials
Building materials are a major source of indoor air contaminants. Volatile organic compounds (VOCs) are an important class of contaminants prevalent in indoor air. Attempts have been made to model the emission of VOCs from building materials. Diffusion has been shown to control the rate of mass …
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