نتایج جستجو برای: laminated beam
تعداد نتایج: 118895 فیلتر نتایج به سال:
The aim of this study was to understand the microscopic characteristics of the bamboo bonding interface with phenol formaldehyde resin modified with larch thanaka and urea (PTUF) and its effect on the shear strength of two-ply bamboo laminated lumber. Bleached and carbonized bamboo strips were used, and two assembly patterns (outer-to-outer and inner-to-inner) were adopted to make two-ply bambo...
This paper presents large-scale bending test, up to 19 m length, on glued laminated timber (GLT) beams with well-known beam setup and a model predict the tensile strength of finger joint connections (FJ). Machine graded boards, information about dynamic stiffness local knottiness were used fabricate 12 GLT beams. The position boards tracked throughout fabrication. To quantify quality FJ additio...
We theoretically studied spin dependent electron transport perpendicular-to-plain (CPP) in magnetic laminated multilayered structures by using Kubo formalism. We took into account not only bulk scattering, but the interface resistance due to both specular and diffuse reflection and also spin conserving and spin-flip processes. It was shown that spin-flip scattering at interfaces substantially r...
A new nanosensor composed of laminated samarium borate and immobilized laccase was developed for phenol determination. The laminated samarium borate was synthesized by a mild solid-state-hydrothermal (S-S-H) method without any surfactant or Template. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM) were used to characterize the samp...
The effect of protein composition and content on the characteristics and properties of laminated baked products has been studied for a long time. However, there are no flour quality parameters related to its suitability to produce yeast-leavened laminated salty baked products. The relationships among flour characteristics, laminated dough pieces and baked products were studied in order to estab...
The coupled dynamic model of the intermediate and tail gearboxes’ spiral bevel gear-oblique shaft-laminated membrane coupling was established by employing hybrid modeling method finite element lumped mass. Among them, equation shaft constructed Timoshenko beam; gears were derived theoretically lumped-mass method, where effects time-varying meshing stiffness, transmission error, external imbalan...
In this paper we investigate a thermal driven Micro-Electrical-Mechanical system which was originally designed for inkjet printer to precisely deliver small ink droplets onto paper. In the model, a tiny free-ended beam of metal bends and projects ink onto paper. The model is solved by using the recently developed radial basis functions method. We establish the accuracy of the proposed approach ...
The mass timber industry offers a compelling pathway for low-carbon structural systems in buildings, replacing carbon-intensive materials like concrete and steel with sustainably forested wood. However, conventional connections construction are largely made of metallic materials, such as screws, nails, plates. In contrast, joinery, or geometrically interlocking all-timber connections, is global...
By the lamination process evaluated, 60 percent of total 108 volume ended as kiln-dry, end-trimmed, sized, salable 2 by 4's-approximately 50 percent more than that achieved by conventional bandsawing of matched lop. Moreover, modulus of elasticity of the laminated 2 by 4's (adjusted to 12 percent moisture content) averaged 1,950,000 psi compared to 1,790,000 for the sawn 2 by 4's. Allowable fib...
been detected and their relations between the magnetic properties and the Mn-Mn interatomic distances and between the magnetic properties and the number of valence electrons have been investigated(17). Further studies have been carried out on the pseudo-ternary compounds Au1-xCuxMnSb(18), Pt1-xNixMnSb and Pt1-xCuxMnSb(19) which substituted mutually the first elements in AuMnSb and CuMnSb, PtMnS...
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