نتایج جستجو برای: stud structural member
تعداد نتایج: 482353 فیلتر نتایج به سال:
جنبه های علمی تکنولوژی سیستم ساختمانی cfs با نام سازه های قاب فولادی سرد نورد، پس از کسب جایگاه نزد مهندسان و معماران در بریتانیا و به ویژه آمریکا، مورد بررسی بیشتر قرار گرفت. از مزایای این سیستم سرعت در اجرا و بهره وری، افزایش مقاومت و پایداری بالا وسبک تر کردن و کاهش جرم ساختمان و افزایش میزان بازیافت مصالح می باشد . در این پژوهش رفتار چرخه ای سه نوع دیوار برشی بتنی سبک فوم با قاب فولادی سرد ...
Abscisic acid (ABA) is a vital hormone that confers abiotic stress tolerance in plants. The identification of PYR/PYL/RCAR proteins as bona fide ABA recep‐ tors and the subsequent elucidation of the structural mechanisms of the core ABA signalling pathway in recent years has provided new and powerful in‐ sights in targeting ABA signalling to enhance abiotic stress tolerance in agri‐ culture. Th...
The block to pregnancy in newly mated female mice caused by the proximity of a strange male (`Bruce effect') occurs in a greater number of females when the male belongs to a different strain from the female (alien male) than when he belongs to the same strain (strange male) (Bruce, 1960; Parkes & Bruce, 1961). The difference between strains implies that the uniformity of odour or `spectrum of o...
The strength of sheathed wall systems is substantially greater than unsheathed walls with the same studs. Testing on studs sheathed on both sides with dry gypsum board demonstrate strength increases as large as 70% over unsheathed studs (Miller and Peköz 1993, Miller and Peköz 1994). The current AISI Specification for sheathed wall stud systems are complicated, only apply when the sheathing is ...
Equivalent linearization is an available method widely used to conveniently predict the nonlinear responses of buildings. The present study proposes a seismic response prediction based on equivalent stud-type viscoelastic dampers with amplitude dependencies for that there not lot research discussing estimation such dampers. Through analyses, authors found proposed leads structural design proces...
Abstract The drawn arc stud welding (DASW) procedure is usually qualified by visual examinations and practical destructive tests of the joint according to international standards. An assessment material properties in specific weld zone regions not requested under consideration their limited areas or general dimension although press process implies a complex metallurgy. Nonetheless, there need k...
The synthesis and structural characterization of the complex [Ru2(μ-Cl)(μ-P Bu2)(μ-dppa)(CO)4] (4, dppa = Ph2PN(H)PPh2) are reported. The title compound and two other related complexes were obtained in high yields by the reaction of the coordinatively unsaturated species [Ru2(μ-H)(μ-P Bu2)(μ-PˆP)(CO)4] (PˆP = dppa, 3; PˆP = Ph2PN(Ph)PPh2, 5; PˆP = Ph2PN(CH2Ph)PPh2, 6) with carbon tetrachloride....
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