نتایج جستجو برای: Cold-Formed Steel (CFS)
تعداد نتایج: 346034 فیلتر نتایج به سال:
در راستای بکارگیری فن آوریهای نوین ساختمانی، امروزه استفاده از مقاطع فولادی سردنورد شده cfs (cold-formed steel) گسترش زیادی یافته است. بر این اساس با توجه به برخی معایب تیرچه های بتنی معمولی همچون سنگینی، ضرورت شمع بندی، سختی اجرا و افزایش زمان و هزینه اجرا، استفاده از تیرچه های فولادی با مقاطع cfs جایگزین مناسبی برای تیرچه های بتنی می باشد. با توجه به استفاده گسترده از اتصالات پیچی در تیرچه ها...
Cold-formed steel (CFS) has emerged as a prominent choice for structural components and sections in the construction industry [...]
With growth the construction technologies, Cold-Formed Steel, CFS, sections are widely used in ordinary steel buildings because of some advantages such as light weight, ease of installation, decrease in cost, and increase in speed of operation. Using the bolted connections for CFS joist is one of the best details for steel structures. The main objective of this study is to conduct an experiment...
A series of tests on cold-formed steel foamed concrete (CSFC) composite walls subjected to axial load were proposed. The primary purpose of the experiments was to study the mechanical behavior and identify the failure modes of CSFC composite walls. Two main factors were considered in this study: 1) specimen with pouring foamed concrete or without and 2) different foamed concrete density ranks (...
Today, cold-formed steel (CFS) structures enjoy widespread use in many countries and design specifications, e.g., [1] and [2] are well established, even if they are ever changing! Extensive reviews of the CFS literature are available [3], [4] and more targeted research reviews also exist: [5], [6] and Chapter 13 of [7]. However, even in the last five years significant progress has been made, pa...
The objective of this paper is to investigate the response of a cold-formed steel framed building subjected to earthquake excitation primarily through nonlinear time history analysis employing the incremental dynamic analysis (IDA) framework. The two-story archetype building from the Cold-Formed Steel – Network for Earthquake Engineering Simulation (CFS-NEES) project is analyzed using OpenSees....
This series of experiments aims to characterize the cyclic behavior of cold-formed steel (CFS) stud-to-sheathing connections. This connection provides the key energy dissipating behavior in wood sheathed CFS shear walls, and provides bracing to the studs under gravity and out-of-plane loads. A simple testing rig is developed consisting of two CFS lipped channels facing toe-to-toe connected on t...
A series of tests on cold-formed steel (CFS) wall plate system subjected to uplift force at the mid span of the wall plate is presented. The aim of the study was to study the behaviour and identify the modes of failure of CFS wall plate system. Two parameters were considered in these studies: 1) different dimension of U-bracket at the supports and 2) different sizes of lipped Cchannel. The lipp...
Lightweight steel framing is a method in housing and construction that have been widely used in lightweight steel construction. In this method, the structure is built by cold formed steel elements. They are cost-effective, light, and easy to assemble. However, the performance of lateral load resisting systems in cold-formed steel structures specially the behavior of cold-formed steel shear wall...
“Cold-formed steel (CFS) stud walls” are innovative alternative for construction of walls in buildings. The main frames of CFS walls consist of a group of vertical members called “studs” which are hold by fasteners within two horizontal members called “tracks” at the upper and lower ends. One of the conventional ways for designing and analyzing of CFS stud walls under blast loading is to employ...
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