نتایج جستجو برای: shear testing

تعداد نتایج: 406476  

Journal: :Metallurgical and Materials Transactions A 2018

Journal: :Monthly Notices of the Royal Astronomical Society 2018

2016
Issam Qamhia Erol Tutumluer Liang Chern Chow Debakanta Mishra

This paper presents shear strength and permanent deformation trends of four unbound aggregate materials, commonly used for base and subbase layers in the state of North Carolina, USA, studied through repeated load triaxial testing, using the University of Illinois FastCell equipment. A testing and modeling framework has been established to develop a proper permanent deformation prediction model...

Journal: :journal of dentistry, tehran university of medical sciences 0
h. kermanshah assistant professor, dental research center and operative department, faculty of dentistry, tehran u sh. ghabraei endodontic department, faculty of dentistry, tehran university of medical sciences t. bitaraf research assistant, dental research center, faculty of dentistry, tehran university of medical scien

objective: this study evaluated the effect of saliva contamination during bonding procedures without removing saliva on shear dentin bond strength of three adhesive generations when rubber dam isolation is not feasible. materials and methods: flat superficial dentin surfaces of seventy-two extracted human molars were randomly divided into three groups (a: scotch bond mp plus (sbmp), b: single b...

Journal: :journal of lasers in medical sciences 0
sakineh arami masoumeh hasani tabatabaei fatemeh namdar nassimeh safavi nasim chiniforush

introduction: the purpose of this study is the evaluation of the amount of surface roughness (ra) of zirconia ceramic following different surface treatments as well as the assessment of its shear bond strength to composite resin. methods: 40 sintered zirconia ceramic block samples were randomly divided in 4 groups of 10 and underwent the following surface treatments: a) control group without tr...

2008
Dimitrios Zekkos Jonathan D. Bray Michael F. Riemer

Representative dynamic properties of municipal solid waste (MSW) are required to perform reliable seismic analyses of MSW landfills. A comprehensive large-scale cyclic triaxial laboratory testing program was performed on MSW retrieved from a landfill in the San Francisco Bay area to evaluate the small-strain shear modulus, and strain-dependent normalized shear modulus reduction and material dam...

Journal: :Soft matter 2014
A Kate Gurnon Carlos R Lopez-Barron Aaron P R Eberle Lionel Porcar Norman J Wagner

The complex, nonlinear flow behavior of soft materials transcends industrial applications, smart material design and non-equilibrium thermodynamics. A long-standing, fundamental challenge in soft-matter science is establishing a quantitative connection between the deformation field, local microstructure and macroscopic dynamic flow properties i.e., the rheology. Here, a new experimental method ...

2011
Shuichi Fujikura

This paper reports the findings of research examining the blast resistance of bridge piers that are designed in accordance with current knowledge and specifications to ensure ductile seismic performance. Blast testing was conducted on 1/4 scale ductile RC columns, and nonductile RC columns retrofitted with steel jacketing. The seismically designed RC and steel jacketed RC columns did not exhibi...

Journal: :علوم و تکنولوژی پلیمر 0
محمود مهرداد شکریه مجید جمال امیدی

fiber reinforced composites are widely used instead of traditional materials in various technological applications. therefore, by considering the extensive applications of these materials, a proper knowledge of their impact behavior (from low- to high-velocity) as well as their static behavior is necessary. in order to study the effects of strain rates on the behavior of these materials, specia...

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