کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8941587 | 1645007 | 2018 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Numerical optimisation of novel connection for cross-laminated timber buildings
ترجمه فارسی عنوان
بهینه سازی عددی اتصال جدید برای ساختمان های چوبی چند لایه
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
سازه های چوبی، پایین نگه داشتن، انعطاف پذیری، شکل پذیری، اتصال لوله، طراحی مبتنی بر ظرفیت
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
مهندسی ژئوتکنیک و زمین شناسی مهندسی
چکیده انگلیسی
This paper presents Finite Element Analyses (FEA) on the performance of a novel hold-down connection, suitable for mass-timber buildings, consisting of hollow circular steel tubes, inserted in Cross-laminated Timber (CLT) panels. The FEA models, which account for nonlinear material properties of both timber and steel components, were validated against experimental results. The primary objective of this research was to optimise the connector geometry and material properties to achieve a target yield capacity of 85â¯kN. Considering a capacity-based design approach, where all the wood components remain elastic and only the steel tube deforms, a sensitivity analysis was performed to quantify the input-performance correlations. It was shown that the diameter (d) and thickness (t) of the tube, as well as the coupler diameter (c) were the main parameters influencing the yield capacity and overall performance of the connection. The subsequent optimisation resulted in an optimum detailing with dâ¯=â¯155â¯mm, tâ¯=â¯9.5â¯mm and câ¯=â¯30â¯mm, and a required steel yield stress of approx. 800â¯MPa. With a load-carrying capacity of 98â¯kN, an elastic stiffness of 30â¯kN/mm, and a ductility of 9, the connection was deemed suitable for the design of resilient CLT buildings. Finally, it was shown that optimised detailing exhibited a robust performance in presence of uncertainties in the timber and steel material properties, as well as geometry of the detailing.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Structures - Volume 175, 15 November 2018, Pages 273-283
Journal: Engineering Structures - Volume 175, 15 November 2018, Pages 273-283
نویسندگان
Hercend Mpidi Bita, Thomas Tannert,