Results 11 to 20 of about 114,109 (294)

The Flexural Performance of Underground Combined Walls

open access: yesBuildings
Connecting diaphragm walls as permanent components of underground spaces in relation to basement sidewalls is an effective method for enhancing structural stability, reducing structural footprint, and improving waterproofing performance.
Chunchao Chen, Shihai Chen
doaj   +2 more sources

Performance of Repaired Concrete under Cyclic Flexural Loading [PDF]

open access: yesMaterials, 2021
There is limited research reported on the effect of cyclic loading on cement-based repair materials as conducting such tests is time consuming. To overcome this issue, this study utilized a novel loading regime consisting of cycle groups with increasing stress amplitude to accelerate the test process.
Boyu Wang, Rishi Gupta
openaire   +2 more sources

The Dynamic Performance of Flexural Ultrasonic Transducers [PDF]

open access: yesSensors, 2018
Flexural ultrasonic transducers are principally used as proximity sensors and for industrial metrology. Their operation relies on a piezoelectric ceramic to generate a flexing of a metallic membrane, which delivers the ultrasound signal. The performance of flexural ultrasonic transducers has been largely limited to excitation through a short voltage ...
Feeney, Andrew   +3 more
openaire   +5 more sources

Flexural Performance of Concrete Reinforced by Plastic Fibers [PDF]

open access: yesEngineering, Technology & Applied Science Research, 2018
For sustainable development construction, recycle or reuse of waste materials is utilized. Many researchers conducted tried to create an innovative green concrete, utilizing waste materials. The aim of this research is to contribute and promote the use of plastic waste in concrete.
Muhammad Tahir Lakhiar   +5 more
openaire   +1 more source

Investigation of Flexure Effect on Transfer Alignment Performance [PDF]

open access: yesJournal of Navigation, 2012
Transfer Alignment (TA) is the initialisation process of the Inertial Navigation System (INS) of an air-launched weapon before its release by using the data from the aircraft INS. The aim of this paper is to improve the TA performance by taking into account the aircraft flexures deterministically.
Pehlivanoglu, A. Guray, Ercan, Yucel
openaire   +3 more sources

Large Stroke Performance Optimization of Spatial Flexure Hinges [PDF]

open access: yesVolume 6: 1st Biennial International Conference on Dynamics for Design; 14th International Conference on Advanced Vehicle Technologies, 2012
Flexure hinges inherently lose stiffness in supporting directions when deflected. In this paper a method is presented for optimizing the geometry of flexure hinges, while supporting stiffnesses are retained. These hinges are subjected to a load and deflected an angle of up to ±20°.
Wiersma, D.H.   +3 more
openaire   +2 more sources

Flexural performance of FRP reinforced concrete beams [PDF]

open access: yesComposite Structures, 2012
Abstract A numerical method for estimating the curvature, deflection and moment capacity of FRP reinforced concrete beams is developed. Force equilibrium and strain compatibility equations for a beam section divided into a number of segments are numerically solved due to the non-linear behaviour of concrete.
Kara, Ilker F., Ashour, Ashraf
openaire   +2 more sources

Performance of Lightweight Concrete Beams Strengthened With GFRP [PDF]

open access: yesPort Said Engineering Research Journal, 2013
This paper presents an investigation to improve the flexural behavior of reinforced lightweight concrete beams madeof light-weight expanded clay aggregate (LECA) as 50% replacement (by volume) to the normal -weight aggregates andaddition of foaming agent
doaj   +1 more source

Mechanical performance of glass-based geopolymer matrix composites reinforced with cellulose fibers [PDF]

open access: yes, 2018
Glass-based geopolymers, incorporating fly ash and borosilicate glass, were processed in conditions of high alkalinity (NaOH 10-13 M). Different formulations (fly ash and borosilicate in mixtures of 70-30 wt% and 30-70 wt%, respectively) and physical ...
Bernardo, Enrico   +2 more
core   +2 more sources

The high frequency flexural ultrasonic transducer for transmitting and receiving ultrasound in air [PDF]

open access: yes, 2020
Flexural ultrasonic transducers are robust and low cost sensors that are typically used in industry for distance ranging, proximity sensing and flow measurement.
Dixon, Steve M.   +2 more
core   +3 more sources

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