Papers by Keyword: Straw Bale

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Authors: Xue Ping Li
Abstract: The straw bale is a kind of eco-energy saving building material. Straw bale construction is a building which it use straw bales as the wall materials. Based on the investigation of rural residential buildings status, climatic characteristics and energy consumption status in northwest rural areas, raw material supply, construction cost and construction technology of straw bale building, thermal insulation and fire resistance properties of straw bale, environmental protection characteristic and so on were analyzed, it could make people aware of the straw bale can be used as an ideal material instead of solid clay brick in northwest rural residential building, and it could be extensive used and popularized in rural residential building.
3815
Authors: Andrea Bocco Guarneri
Abstract: Werner Schmidt (Trübbach, Switzerland, 1953) is one of the most interesting contemporary 'green' architects, particularly experienced in straw-bale building. His accomplishments include now 20 straw-bale buildings of which 14 at least partially load-bearing. This paper extracts some essential principles from his work and explains in detail his technological solutions. This is the result of a thorough analysis, carried on during the preparation of a monograph. The success of his approach derives from many factors, among which: - Schmidt's training as a mason. In contrast with many fellow architects, his designs are rooted in practicality and feasibility. Moreover, he actively participates to the construction work. - His holistic vision of ecological building: straw bales are chosen because of the overall advantages they offer. Preferably, he adopts a modified 'Nebraska' technique, using high-density 'jumbo bales' forming more than 120 cm thick walls. This rather unique method assures rapidity of construction, and allows to solve a number of criticalities associated with 'small bale' building. - Not seeking the highest possible performances lets to focus economic and technical efforts on few elements that really need to be state-of-the-art. The envelope can be built with simple techniques, while parts that need be built precisely (stairs, cooking implements, baths, etc.) can be prefabricated. Schmidt's work shows that high ecological consideration can be coupled with convincing architectural results. The quality of his buildings in terms of energy performance, living value, and beautiful form constitutes a good practice promoting new ways to 'green' architecture.
727
Authors: Christopher J. Whitman
Abstract: According to the latest official census of 2002, earth construction represented 5.5% of the Chilean building stock. These buildings of traditional construction techniques of unfired earth and straw blocks (adobe), rammed earth (tapial) or wattle and daub (quincha) form a large proportion of Chile’s National Monuments and heritage buildings. In addition to their heritage value, these buildings with their high thermal mass, respond well to the climate conditions of both the altiplano of northern Chile and the Central Valley, zones with high diurnal temperature oscillations, with typical daily temperature differences of up to 20°C. However following the 2005 earthquake in Tarapacá, northern Chile and that of the 27th February 2010 in Central Chile a serious rethink has been required as to the retention and restoration of adobe buildings. Public opinion has labelled earth construction as unsafe and most reconstruction to date has taken place with prefabricated timber solutions which lack the necessary thermal mass to respond well to the climatic conditions. At the same time research into the structural integrity, seismic resistance, maintenance and the living conditions provided by earth construction has been undertaken. In this wider context this paper presents the compilation of international and Chilean research into the hygrothermal properties of adobe construction, in addition to the authors insitu measurements of the temperature and relative humidity in two surviving adobe dwellings in the earthquake hit village of Chépica located in Chile´s Central valley. These measurements are compared with those of a dwelling rebuilt with straw bales and earth render in the same location. Based on this information the paper studies the challenge of rebuilding and restoring heritage buildings whilst providing occupants with the necessary levels of environmental comfort.
186
Authors: Petr Konečný, Jiří Teslík, Michal Hamala
Abstract: Straw bales can be used as a relatively cheap and ecological building material for buildings. Design of straw buildings is currently based on empirical knowledge although it would be very helpful to have more information about material properties for designing and realization of straw bales houses. Article discuses load - deformation behavior of straw bales in laboratory conditions and evaluate the modulus of elasticity of local straw bales. Deformation characteristics of straw bales can be very useful for the design of straw buildings.
250
Authors: Ling Ling Xu, Guo Xing Zhang, Jian Zhang
Abstract: Based on field survey, we had a discuss on the grange character and problem on energy-saving of Yangling in Shanxi Province, whats more, site selection, spatial arrangement of housing colony, straw-bale application, comprehensive application of a variety of energy resources and afforest were mentioned and illustrated in detail as the energy-saving measures for grange, which would have active effect on the construction of low-energy consumption and ecological residence in Yangling region.
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