Results 61 to 70 of about 671,009 (191)
Investigation Some of Physical and Mechanical Properties of Polypropylene Fiber/ Wood /Cement Composites [PDF]
In this study, some of the physical and mechanical properties of polypropylene fiber/ wood fiber/ cement composites were investigated. For this aim, three levels of polypropylene fiber, namely 2 wt.%, 3 wt.% and 4 wt.% were mixed with 15 wt.% of wood ...
hamed Younesi-Kordkheili+2 more
doaj
This paper shows the use of the dual integrated force method in the finite element method and its application to unidirectional composite laminates. This method was developed by SN Patnaik for isotropic materials, considering not only the equilibrium equations but also the compatibility conditions.
Adarraga Usabiaga, María Iciar+4 more
openaire +3 more sources
An Experimental Study on Shear and Flexural Strengthening of Concrete Beams Using GFRP Composites [PDF]
Maintaining and restoring buildings has nowadays gained special importance due to its high cost. Various different methods have been presented regarding this matter due to the above-mentioned reason and also the ever-growing demand for the engineers and the building-industry specialists for strengthening, restoring, and improving the concrete ...
arxiv
Derivation of a poroelastic flexural shell model [PDF]
In this paper we investigate the limit behavior of the solution to quasi-static Biot's equations in thin poroelastic flexural shells as the thickness of the shell tends to zero and extend the results obtained for the poroelastic plate by Marciniak-Czochra and Mikeli\'c.
arxiv
Impact of buckypaper on the mechanical properties and failure modes of composites [PDF]
Recently, there has been an interest in the incorporation of buckypaper (BP), or carbon nanotube (CNT) membranes, in composite laminates. Research has shown that using BP in contrast to nanotube doped resin enables the introduction of a higher CNT weight fraction which offers multiple benefits including higher piezo resistivity for health monitoring ...
arxiv +1 more source
Non-destructive testing of composite plates by holographic vibrometry [PDF]
We report on a wide-field optical monitoring method for revealing local delaminations in sandwich-type composite plates at video-rate by holographic vibrometry. Non-contact measurements of low frequency flexural waves is performed with time-averaged heterodyne holography.
arxiv +1 more source
Study on Shear Behavior of Concrete-polymer Cement Mortar at Elevated Temperature
In this experimental and analytical work, interfacial shear strengths were evaluated at material and member level. Bi-surface shear strength was performed at material level and three-point bending test was conducted at member level.
Khuram Rashid, Tamon Ueda, Dawei Zhang
doaj
Silicon carbide fibers have superior flexural properties and chemical stability compared to glass fibers. We investigated the flexural strength and modulus of an experimental, short silicon carbide fiber-reinforced resin.
Norimasa Taka+4 more
doaj +1 more source
Numerical investigation on flexural behavior of RC beams with large web opening externally strengthened with CFRP laminates under cyclic load: Three-point bending test [PDF]
Abulqasim Abbas+2 more
openalex +1 more source
Aim: This study aimed to evaluate the flexural strength and flexural modulus of different resin composites (MasterFill, Opallis, Z250, Supreme) after photoactivation with quartz-tungsten-halogen (QTH - XL2500) or light-emitting diode (LED - Radii and ...
William Cunha Brandt+4 more
doaj +1 more source