Fourpoint Bending Test
Mostrando 1-8 de 8 artigos, teses e dissertações.
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1. Crack and mechanical behavior of CFRP plate-reinforced bridge roofs under high temperature with different anchoring measures
Abstract This paper investigates the crack and mechanical behavior of CFRP plate-reinforced bridge roof under high temperature with different anchoring measures. Six CFRP-reinforced test beams with different anchoring schemes were designed and constructed. The beam specimens, after the high temperature effects, were tested under four-point bending loads. The
Lat. Am. j. solids struct.. Publicado em: 22/07/2019
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2. CHEMICALLY TREATED GLUED LAMINATED PARICÁ TIMBER (Schizolobium parahyba var. amazonicum)
ABSTRACT In the production of glue-laminated timber (GLT), boards derived from planted forest wood with easy workability are glued on top of one another. The main objective of the present work was to evaluate the performance of paricá timber GLT beams (5 × 10 cm) on GLT. Three procedures were performed: (1) GLT beams (5 × 10 cm) were produced using natura
Eng. Agríc.. Publicado em: 25/04/2019
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3. Effects of porcelain thickness on the flexural strength and crack propagation in a bilayered zirconia system
Abstract Objective: This study evaluated the influence of porcelain (VM9, VITA Zahnfabrik, Germany) thickness on the flexural strength and crack propagation in bilayered zirconia systems (YZ, VITA Zahnfabrik, Germany). Material and Methods: Thirty zirconia bars (20.0x4.0x1.0 mm) and six zirconia blocks (12.0x7.5x1.2 mm) were prepared and veneered with porc
J. Appl. Oral Sci.. Publicado em: 2017-10
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4. TIMBER BEAM REPAIR BASED ON POLYMER-CEMENTITIOUS BLENDS
ABSTRACT This study aims to manufacture and apply polymer-cementitious blends based on a combination of epoxy polymer and Ordinary Portland Cement (OPC) for timber beam repair. The material was used to repair timber beams of “Maçaranduba” (Manilkara sp.) and “Cedro doce” (Cedrella spp) wood species. A full factorial design was conducted to investiga
Eng. Agríc.. Publicado em: 2017-04
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5. Biomechanical Analysis of Locking Reconstruction Plate Using Mono- or Bicortical Screws
This experimental in vitro study evaluated the influence of screw length on the mechanical properties of a locking reconstruction plate designed with locking rings inserted into plate holes. Synthetic bone cylinders with 10 mm fracture gap and seven-hole locking reconstruction plates were used. Two groups of bone-plate constructs were assembled: Group 1 –
Mat. Res.. Publicado em: 08/04/2016
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6. Surface agents' influence on the flexural strength of bilaminated ceramics
The objective of this study was to evaluate the influence of different surface agents on the flexural strength of a ceramic system. Eighty bar-shaped specimens of zirconia were divided into four groups according to the agent to be used: group Control - to be cleaned with alcohol; group VM9 - application of a fluid
Braz. oral res.. Publicado em: 2013-07
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7. Avaliação do comportamento de vigas de concreto auto-adensável reforçado com fibras de aço. / Evaluation of the behavior of self-compacting concrete beams reinforced with steel fibers.
O concreto auto-adensável (CAA) vem se caracterizando como uma grande evolução na tecnologia do concreto, sendo capaz de preencher todos os espaços vazios da fôrma e adensar-se apenas pela ação de seu peso próprio. Se ao CAA adicionam-se fibras de aço, sem prejuízo de suas propriedades no estado fresco, novas vantagens e possibilidades de aplicaç�
Publicado em: 2009
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8. Effect of particle morphology on the mechanical and thermo-mechanical behavior of polymer composites
Fiber reinforced polymer composites have been used in many applications, such as in automobile, aerospace and naval industries, due basically to their high strength-to-weight and modulus-to-weight, among other properties. Even though particles are usually not able to lead to the level of reinforcement of fibers, particle reinforced polymer composites have be
Journal of the Brazilian Society of Mechanical Sciences. Publicado em: 2001