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Fraunhofer IRB

Books (7):


From surface to space. On the topicality of a central design element of modernity. Online resource
Ulama-Soyer, Margit

The project is based on the two-dimensional element of the surface and at the same time creates a link to the three-dimensional architectural space. The term surface means a flat wall element as well as a floor or ceiling element. The term is used abstractly. Because in architecture a surface element will always - more or less - have bodies, i.e. volumes. The thesis is put forward that the surface element, regardless of whether it is a horizontal or a vertical element, constitutes a new form of space. This articulates itself beyond the traditional perspective space. In this development, however, the abstract, closed cube as an achievement of modernity is not ignored. The area paradigm, as we understand it, rather develops in the dialectic with the closed building. We could also say that the surface paradigm needs the abstract cube as a prerequisite, so to speak. The foundations of the topic were formulated by the avant-garde at the beginning of the 20th century, with the visual arts playing a central role. Here the abstract, immaterial surface became an independent topos for the first time (Suprematism, De Stijl). Painting was able to act much more freely than architecture. Nevertheless, the development of architecture without painting is inconceivable. The actual decomposition of the cube in the sense of the surface paradigm was done by Mies van der Rohe. The foundations laid by modernism have been taken up and reinterpreted in a variety of ways in the present. Austria is playing a central role in this development. Based on selected case studies from Germany and abroad, central topoi of the development are shown and discussed.

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Architectural theory, design element, surface element, wall element, ceiling element, space, case study, architectural theory, design element, two dimensional element, wall element, ceiling component, space, case study, modernity, floor element, two-dimensionality, three-dimensionality, modern trend, ground element, two -dimensionality, three dimensionality,

Self-published 2006, 132 p., Lit.

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Investigations into the fire behavior of wooden ceilings made from box girder elements
Frangi, Andrea; Fontana, Mario

The test report documents fire tests on wooden ceiling elements with perforations and slots to improve the acoustic properties. The influence of the hole diameter and slot size on the burn rate and the associated reduction in the load-bearing resistance of the hollow box ceiling elements was investigated. In addition to the experimental investigations, the report also documents the theoretical basis for assessing the rate at which wood ceilings burn with acoustic measures. The investigations are part of the Holz21 funding program supported by the BUWAL and the research and information project "Fire safety and multi-storey timber construction" run by Lignum. They were supported by the industrial partner Lignatur AG, Waldstatt. The experimental investigations were carried out at the Eidgenössische Materialprüfungs- und Forschungsanstalt EMPA Dübendorf in close cooperation between members of the Institute for Structural Analysis and Design IBK at ETH Zurich and employees of the EMPA fire laboratory.

Tags:
Fire behavior, ceiling element, wooden ceiling, acoustic panel, wooden structure, sound absorption, fire test, fire behavior, ceiling component, timber floor, acoustic board, timber construction, sound absorption, fire test, lamella, wooden lamella, perforated panel, insulation material, lath, wood lamella, swage block , insulating material,

vdf Hochschulverlag 2004, 108 pp., fig., tab., lit.
ISBN: 978-3-7281-2959-8

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Building material and building product recycling of 5-storey prefabricated residential buildings using examples in the Free State of Thuringia. Work package 6. Concepts for the reuse and further use of suitable prefabricated parts that have been recovered through dismantling. Final report on research project. Funding reference BMBF 0339969. Online resource
Blume-Wittig, J .; Künzel, Eberhard (project manager)

In the next few years, it is to be expected that more and more concrete quantities will be produced from dismantled or demolished prefabricated prefabricated buildings, which, due to the desired functional circular economy, can not only be recycled, but increasingly alternative ways of reusing the demolition material will be found have to. In the foreground of the partial report on the research project is, in analogy to the planning and execution of new buildings, especially of one and two-family houses in the form of single, double and terraced houses as well as garage variants, the reusability of recovered components in their original form and design.

Tags:
Recycling, precast concrete part, construction principle, new building, ceiling element, roof element, recycling, precast concrete component, structural principle, new building, ceiling component, roof member, Plattenbau, reuse, further processing, dismantling, housing series, reuse, building made with precast concrete slabs, reuse , further processing, dismantling, housing construction series, afteruse,

Selbstverlag 2001, 52 p., Fig., Tab., Lit.

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Long-term performance and development tendencies of plastic products in residential construction.
Arlt, Dieter; World ring, Rainer

When evaluating building materials, a large number of new criteria must be taken into account today. In addition to the still relevant technical and economic factors of strength, durability, processability and price-performance ratio, environmentally relevant criteria such as ozone hazard, resource consumption and possible health risks in the manufacture, processing, use and disposal of the materials are increasingly being considered. The consideration of these additional evaluation criteria should lead to an ecological evaluation supported by life cycle assessments in addition to an economic evaluation of components and building materials. The majority of the construction products in this study were used over 20 years ago, at a time when the technical properties and the purchase price were mainly used to evaluate and select the materials. The study is primarily aimed at subjecting the long-term behavior to a critical examination. However, the number of applications considered here and used for evaluation is not large enough to make a statistically sound statement about the long-term behavior of all similar construction applications. Rather, this work is a "snapshot" of available, scientifically sound information.

Tags:
Building material, ecological construction, insulation, roof sealing, waterproofing membrane, parapet, ceiling element, skylight, long-term behavior, window frames, economy, development tendency, environmental protection, construction material, ecological construction, insulation, roof waterproofing, sealing strip, parapet wall, ceiling component, domelight, long -term behavior, window frame, economy, development tendency, environmental protection, component, building material, plastic, floor covering, roof covering, facade, plastic pipe, sanitary cell, insulation material, building product, life cycle assessment, health hazard, PVC, roof insulation, sanitary element, window profile, PMMA, construction component, construction material, plastic, flooring, roofing, facade, plastic pipe, sanitary block, insulating material, building material, ecobalance, noxious to health, PVC, roof insulation, sanitary element, window profile,

Fraunhofer IRB Verlag 1998, 137 pp., Fig., Kt.
ISBN: 978-3-8167-4241-8

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Long-term success and development tendencies of plastic construction products in residential construction. Final report.
World Ring, Rainer; Arlt, Dieter

When evaluating building materials, a large number of new criteria must be taken into account. In addition to the technical and economic factors that are still relevant, such as strength, durability, processability and price-performance ratio, environmentally relevant criteria such as ozone hazard, resource consumption and the question of possible health risks in the manufacture, processing, use and disposal of the materials are increasingly being considered. Taking these additional evaluation criteria into account should lead to an ecological evaluation supported by life cycle assessments, in addition to an economic evaluation of components and building materials. The vast majority of the construction applications that are the subject of this study were in use over 20 years ago. At a time when mainly the technical properties and the purchase price of the products were used to evaluate and select the materials. The study is primarily aimed at subjecting long-term behavior to a critical examination. The quantities of applications considered and therefore used for evaluation are not large enough to make a statistically sound statement about the long-term behavior of all similar construction applications. The work is therefore a kind of "snapshot" of available scientifically sound information.

Tags:
Building material, plastic, ecological construction, flooring, insulation, roofing, roof sealing, waterproofing membrane, facade, ceiling element, plastic pipe, sanitary cell, long-term behavior, window frames, economy, development trend, insulation material, environmental protection, construction product, life cycle assessment, health hazard, PVC, roof insulation, sanitary element, PMMA , Window profile, construction material, plastic, ecological construction, flooring, insulation, roofing, roof waterproofing, sealing strip, facade, ceiling component, plastic pipe, sanitary block, long-term behavior, window frame, economy, development tendency, insulating material, environmental protection, building material, ecobalance, noxious to health, PVC, roof insulation, sanitary element, window profile,

Fraunhofer IRB Verlag 1995, 135 p., Fig., Tab., Lit.

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Attachments (2):


Large-scale implementation of demolition, dismantling and recycling tests on carbon concrete components
Head, Florian; Kortmann, Jan

Tags:
Demolition, dismantling, recycling, attempt, component, carbon, large-scale experiment, research, fiber concrete, sustainability, wall, ceiling element, reinforcement, drilling, sawing, technology, precast concrete part, measurement, emission, material behavior, wear and tear, interruption, crushing, jaw crusher, demolition, dismantling, recycling, test, construction component, carbon, full-scale test, research, fiber-reinforced concrete, sustainability, wall, ceiling component, reinforcement, drilling, sawing, technology, precast concrete component, measurement, emission, material behavior, wear , interruption, continuition, jaw crusher,

Self-published 2018, p.161-169, ill., Lit., Schn.
ISBN: 978-3-927115-81-1
Series: Proceedings for the 29th BBB assistant meeting - specialist congress of the scientific staff in the fields of construction industry - construction operations - construction process engineering. Contributions to the 29th BBB assistant meeting from June 6th to 8th, 2018 in Braunschweig

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Calculation of solid ceiling and wall elements from planks connected to one another
Görlacher, Rainer

Tags:
Ceiling element, wall element, stacked board element, timber construction, stacked board construction, approval, proof of usability, ceiling plate, plate element, wall panel, disc element, stress, horizontal load, vertical load, compressive stress, impact, displacement, buckling, load-bearing capacity, test method, shear test, bending test, load test, verification method, calculation method, Design method, design value, ceiling component, wall element, board stacking element, timber construction method, stack board construction method, license, proof of usability, floor slab, structural panel, diaphragm, disk element, stress, horizontal loading, vertical load, compression loading , effect, displacement, buckling (bar), bearing capacity, investigation method, shear test, bending test, loading test, detection method, calculation method, design method, rated value,

KIT Scientific Publishing 2012, pp.15-24, fig., Tab., Lit.
ISBN: 978-3-86644-913-8
Series: Conference Proceedings Karlsruhe Days 2012 - Timber Construction. Research for practice. Karlsruhe, October 4th - October 5th, 2012

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Journal Articles (12):


Prestressed ceiling elements made of carbon concrete. Experimental investigations and design of material-compatible components
Capricorn, Oliver; May, Sebastian; Curbach, Manfred
Magazine articles from: Concrete and reinforced concrete construction
Vol .: Jg 114, No. 11, Fig., Tab., Lit., Querschn., 2019, S.817-826, Fig., Tab., Lit., Querschn., 2019, S.817-826, Fig., Tab., Lit., Querschn.

Tags:
Ceiling element, experiment, prestressed concrete, anchoring, crack formation, material behavior, production, geometry, failure, press, breaking load, bending test, ceiling component, experiment, prestressed concrete, anchoring, cracking, material behavior, production, geometry, failure, press, ultimate load, bending test, prestressing, carbon concrete, investigation, textile reinforcement, CFRP, shear load capacity, load-bearing behavior, curvature, span, strand, lamella, tensioning device, prestressing force, test program, large component, load-deformation behavior, prestressing, investigation, textile reinforcement, lateral force resistance, load- bearing behavior, bend, span, flex, lath, tension device, prestressing force, test program,

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Prestressed components in structural timber construction. Theoretical and experimental investigations of prestressed board stacked ceiling elements
Geßner, Stephan; Spelter, Arne; Walter, Burkhard; Judt, Peter; Hegger, Josef
Magazine article from: Bautechnik
Vol .: Year 96, No. 11, fig., Tab., Lit., 2019, p.800-814, fig., Tab., Lit.

Tags:
Timber construction, experiment, ceiling element, load capacity, deformation behavior, innovation, tensile strength, deformation verification, finite element method, anchoring, deflection, vibration behavior, timber construction, experiment, ceiling component, bearing capacity, deformation behavior, innovation, tensile strength, deformation proof, finite element method, anchoring, deflection, vibration behavior, prestressing, investigation, dimensioning, bond, load-bearing behavior, research, usability, board stacking element, prestressing force, tendon, test body, specimen, strand, endurance behavior, structural dynamics, natural frequency, prestressing, investigation, design, bond , load-bearing behavior, research, serviceability, board stacking element, prestressing force, tendon, test specimen, sample, flex, long-term behavior, construction dynamics,

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The development of filigree ceiling beams made of carbon concrete and nonwovens impregnated with concrete. Experimental investigations of an innovative material and new components
Senckpiel-Peters, Tilo
Journal article from: Konstruktiver Ingenieurbau KI
Vol .: No. 6, Fig., Tab., Lit., 2018, pp.17-26, Fig., Tab., Lit.

Tags:
Nonwoven, slenderness, deflection, ceiling element, dead weight, bending test, composite material, failure, experiment, load capacity, fleece material, slenderness, deflection, ceiling component, self weight, bending test, composite material, failure, experiment, bearing capacity, ceiling support, load-bearing behavior, Textile concrete, usability, carbon fiber, load test, research, crack opening, test setup, shear bond, rigidity, deformation, floor joist, load-bearing behavior, textile concrete, serviceability, carbon fiber, limit load test, research, crack opening, test rig, shear compound , rigidity,

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Integrated ceiling system for steel and composite construction
Kopp, Maik; Christou, Georgios; Stark, Alexander; Hegger, Josef; Feldmann, Markus
Magazine article from: Stahlbau
Vol .: Vol. 87, No. 2, fig., Tab., Lit., 2018, p.136-148, fig., Tab., Lit.

Tags:
Ceiling system, composite ceiling, load-bearing capacity, economy, optimization, steel construction, composite girders, ceiling element, influencing variable, bending stress, longitudinal load, shearing, vibration behavior, load test, shear test, test implementation, floor scheme, composite floor, bearing capacity, economy, optimization, steel structure, composite girder , ceiling component, factor of influence, bending load, longitudinal load, shear failure, vibration behavior, loading test, shear test, test procedure, cavity, building technology, integration, sustainability, resource consumption, composite steel construction, composite steel girders, shear load behavior, load bearing behavior, web opening, composite means , Transverse load, investigation method, shear test, experimental setup, hollow space, building technology, integration, sustainability, consumption of resources, composite steel and concrete structure, steel composite girder, shear behavior, l oad-bearing behavior, web opening, composite structure, transverse loading, investigation method, shear test,

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Swiss know-how for Japanese houses
Hartmann, Stefan
Magazine article from: Haustech
Vol .: Vol. 24, No. 3, ill., 2011, pp. 53-54, ill.

Tags:
Timber construction, service life, earthquake resistance, building volume, technology transfer, industry, wall structure, material choice, wall element, ceiling element, timber construction method, duration of life, earthquake resistance, building volume, technology transfer, industry, wall structure, material choice, wall element, ceiling component , Building envelope, climate adaptation, wooden element construction, deficiency, moisture damage, wooden house construction, construction defects, diffusion open, pent-up demand, research, life cycle, sustainability, manufacturer information, single-family house, pilot project, building shape, acclimatization, precast timber construction, defect, moisture damage, timber house construction, fault of construction, open for diffusion, backlog demand, research, life cycle, sustainability, manufacturer & apos, s indication, single-family house,

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Dissertations (3):


Possibilities of the increased use of renewable raw materials in construction in Southeast Europe Perspectives and studies on the use of wood chip concrete in residential construction against the background of past and current construction methods in Kosova and special consideration of short rotation plantations with poplar wood
Haxhimustafa, Xhemajli

Natural resources such as wood are gaining more attention again, also in southern Europe. It is not always easy to confront deadlocked experiences and opinions with current research results and thus also to strengthen new building materials with wood aggregates, such as wood concrete or wood cement. Old knowledge about these materials that was available in the past should be combined with new information and findings and thus lead to new solutions for modern building materials. The work begins with basic information on the political and cultural history of Kosovo. The various influences of cultures over time are presented from an architectural perspective. The Illyrian, Greek, Roman, Slavic and finally Ottoman influences in the period from 2000 BC are shown in chronological order. BC to the 19th century briefly outlined. The main focus is on brief historical background information and structural traces. The materials used and the different architectural styles are briefly summarized. The development of urbanism completes this overview. Two contrasting examples are "turbo-urbanism" in Prishtina, where this form of urbanism has been a phenomenon for almost twenty years (Vöckler, 2008) and urbanism in the old town of Gjakova, where the Ottoman influences and the still strong self-determination of the family units which strongly influence today's cityscape and are documented with pictures. Particular attention is paid to the development of the building industry in Kosovo without architects, which leads to challenges for urban and environmental policy. The reasons for construction activities without a structure are mainly to be found in the increasing need for living space and hardly any financial resources. The different settlement areas (urban, rural and mountainous) are represented with some typical buildings, as well as the building materials used. The building material "Tarolit" w

Tags:
Nation state, industry, revitalization, construction industry, construction, wood-concrete composite construction, building material, renewable raw material, wood concrete, wood chip concrete, wood cement, application, reuse, ceiling element, lightweight wood concrete, application example, property (mechanical), flexural rigidity, test method, test body, test arrangement, Test procedure, new development, prototype, production, production plant, planning, nation state, industry, revitalization, building industry, construction, Wood-concrete composite construction, construction material, renewable resource, wood concrete, wood (chippings) concrete, wood putty, application, reuse, ceiling component, Lightweight wood concrete, example of application, characteristic (mechanical), flexural rigidity, investigation method, test specimen, test arrangement, test procedure, new development, prototype, production, production plant, planning,

Self-published 2018, 262 pp., Ill., Tab., Lit.

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Floor slabs made of bamboo Examination and further development of prefabricated floor slabs made of bamboo with special consideration of natural deviations in the stem geometry and their effects on load-bearing behavior as well as possible manufacturing processes
Steffen, Renko

The work first deals with the morphological and mechanical properties of the naturally round stalk, from which the suitability of possible joining principles is derived in a further step. From the consideration of existing construction approaches for bamboo floor slabs, an evaluation of possible structural systems follows in order to use the bamboo material in a suitable way. A series of experimental investigations on test specimens is used to approximate a design proposal that is optimized in terms of material and task. The principle of an under-tensioned beam with continuous support of the upper chord proves to be the most efficient. The forces that occur are guided parallel to the fiber and unfavorable shear stresses are avoided. The combination of naturally variable bamboo individual parts into geometrically exact modules is achieved through the use of orthogonal support timbers, which are located at the intersection of the lower tension and the upper flange. A final evaluation shows that the prefabrication of extremely light bamboo semi-finished parts in combination with locally available excavated soil is preferable to conventional reinforced concrete construction in several respects. The new construction has a significantly better ecological balance, is economically cheaper to manufacture and can make a contribution to the economic improvement of rural communities.

Tags:
Bamboo, structure, tensile strength, compressive strength, flexural strength, shear strength, sources, floor slab, ceiling element, ceiling construction, wall element, prefabrication, multi-storey construction, economic efficiency, bamboo, structure, tensile strength, compressive strength, bending strength, shear strength, swelling, floor, ceiling component , floor structure, wall element, prefabrication, multi-storey building, economy, construction, property (mechanical), shrinkage, load transfer, investigation method, suitability, element, ceiling structure, production, semi-finished part, supplement, excavated soil, sustainability, life cycle assessment, possible application, characteristic (mechanical), shrinkage, load transmission, investigation method, suitability, element, ceiling structure, production, semiprefabricated-component, supplement, spoil, sustainability, ecobalance, potentiality,

Selbstverlag 2017, XII, 203 S., Fig., Tab., Lit., Kt., Schn.

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Wooden panel construction with adhesive-free paneling
Tows, Dietrich

In the thesis, adhesive-free cladding systems were developed and assessed with regard to their possible applications as cladding in stiffening wooden panels. The development of different connection solutions and their scientific investigation in small and large-format tests were a focus of the work. On the basis of the load-bearing tests, a dimensioning proposal and the computer-aided calculation of wooden panels with adhesive-free cladding are presented.

Tags:
Wooden panel construction, stiffening, planking, wall element, ceiling element, load-bearing capacity, test implementation, modeling, timber panel construction, bracing, planking, wall element, ceiling component, bearing capacity, test procedure, modeling, solid wood panel, single element, shear connection, type of connection, test method, test program, Calculation, Dimensioning, solid wood board, single element, shear compound, type of connection, investigation method, test program, calculation, design,

Selbstverlag 2016, VII, 248 S., Fig., Tab., Lit., Schn.

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