Results 21 to 30 of about 21,052,493 (282)

Experimental study of shear transfer in slim floor systems using precast concrete hollow core slabs and steel beam with web circular opening

open access: yesRevista IBRACON de Estruturas e Materiais, 2021
Steel-concrete slim flooring system using precast concrete hollow core slabs and steel beam with web openings is an innovative construction system designed to combine the high bending resistance of both precast prestressed hollow core slabs and steel ...
Gustavo Coldebella   +2 more
doaj   +1 more source

Discrete Element Analysis of Shape Effect on the Shear Behaviors of Ballast

open access: yesScientific Reports, 2023
Railway ballast layer is an indispensable component of railway transport. Ballast morphology plays an important effect in ballast-sleeper interaction and the durability of ballast layer.
Wenjie Hou, Ang Li, Weimin Song
doaj   +1 more source

Pomegranate (Punica granatum L.) gel extract as an antioxidant on the shear bond strength of a resin composite post-bleaching application with 40% hydrogen peroxide

open access: yesDental Journal, 2021
Background: Tooth discoloration can be treated with tooth bleaching. Bleaching using 40% hydrogen peroxide can reduce the shear bond strength of resin composite because there are free radicals on the tooth surface, so it can delay the restoration.
Indes Rosmalisa Suratno   +2 more
doaj   +1 more source

The normativity of rationality [PDF]

open access: yes, 2010
This article is an introduction to the recent debate about whether rationality is normative – that is, very roughly, about whether we should have attitudes which fit together in a coherent way.
Way, Jonathan, Jonathan Way
core   +1 more source

Shear transfer between precast prestressed bridge beams and in-situ concrete crosshead in continuous structures [PDF]

open access: yes, 1988
A detailed investigation was made to study the shear transfer between precast prestressed beams and in-situ concrete in a relatively new method of construction of continuous bridge decks where the ends of precast beams are connected to an integral in ...
Mirtalaie, Kamal
core   +7 more sources

Effect of Different Acid-Etchings on the Shear Bond Strength to the Enamel Using the Fifth-Generation Dentin Bonding Agent [PDF]

open access: yesJournal of Mashhad Dental School, 2021
Introduction: Changes in the enamel structure using a suitable acid for adequate time are the basic method of retention and strength of the composite restorations.
Mohammad Ali Moghadam   +2 more
doaj   +1 more source

The symmetry of rational requirements [PDF]

open access: yes, 2011
Some irrational states can be avoided in more than one way. For example, if you believe that you ought to A you can avoid akrasia by intending to A or by dropping the belief that you ought to A. This supports the claim that some rational requirements are
Way, Jonathan
core   +1 more source

ONE-WAY SLABS IN TRANSITION BETWEEN ONE-WAY SHEAR AND PUNCHING: EXPERIMENTS AND RECENT INSIGHTS FOR EVALUATION

open access: yesProceedings of International Structural Engineering and Construction
Bridge deck slabs are members on which one-way reinforced concrete slabs are found frequently loaded by concentrated loads. Although the one-way shear failure mechanism has gathered more attention in the past years, both one-way shear and two-way shear mechanisms may be critical for such loading conditions. This paper addressed the ultimate capacity of
Alex Micael Dantas de Sousa   +2 more
openaire   +1 more source

Reversible Rail Shear Apparatus Applied to the Study of Woven Laminate Shear Behavior [PDF]

open access: yes, 2013
The multitude of in-plane shear tests existing in the literature seems to demonstrate the complexity of developing a test adapted to all experimental works.
Bouvet, Christophe   +3 more
core   +1 more source

Degradation mechanism of the von Willebrand factor A2 domain by nattokinase

open access: yesFEBS Letters, EarlyView.
Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto   +3 more
wiley   +1 more source

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