نتایج جستجو برای: story drift ratio

تعداد نتایج: 568225  

Journal: :IOP conference series 2022

Abstract Buildings with re-entrant corners are used when maximum utilization is done over minimum available space. These come under the plan irregularities of structures. Plan irregularity (or) Vertical makes vulnerable seismic loading. Structural an important factor in that structure’s performance structure. This study aims to gain behaviour building L-shape floor by checking response demands ...

Journal: :Aij Journal of Technology and Design 2022

In this study, loading tests were conducted on RC structural frame with LGS partition wall and steel door as test specimens. the test, damage observation was to understand doors for each story drifts. Among observed ones thought be caused by residual deformation of seismic frame. It also found that when drift angle exceeds 1/200, required force more than 100N open it 1/100, could not opened.

Journal: :Buildings 2023

This study was conducted to the redistribution of internal force and development plastic hinge an MBS with foundations at two different elevations considering torsional effect. The results indicate that base shear is evident embedding ends, story on floors also took place. columns upper- lower-embedding sides, more prominent along slope direction. Consequently, should be considered in practical...

Journal: :Actuators 2022

To analyze the multidimensional elastic–plastic response of frame structure with magnetorheological (MR) dampers under strong seismic excitations, test MRD was performed, location matrix in derived, and calculation models without an were established based on three-segment variable stiffness beam. Taking a five-story reinforced concrete (RC) as example, developed by MATLAB software dynamic time ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد یزد - دانشکده مهندسی عمران 1394

مهندسان و طراحان سازه می دانند که یکی از کنترل های کلیدی در طراحی سازه کنترل تغییر مکان نسبی طبقات و طراحی ایمن و بهینه سازه است . اغلب مهندسان برای کنترل drift سازه ابتدا به عمیق کردن تیرها می پردازند و با این ترفند drift را کنترل می کنند . این رویکرد باعث زیاد شدن وزن سازه می گردد(تمرکز تیرها در سقف) که همین اضافه وزن باعث افزایش نیروی زلزله و افزایش drift می گردد. حال سوال اساسی این است که آ...

2006
E. Miranda S. D. Akkar

The recently developed drift spectrum is extended to buildings that do not deform laterally like pure shear beams. Similarly to Iwan’s drift spectrum, the proposed generalized interstory drift spectrum uses a continuous linear-elastic model to obtain estimates of interstory drift demands in buildings. However, the generalized interstory drift spectrum is based on a continuous model that consist...

Journal: :Aij Journal of Technology and Design 2023

In order to evaluate repairability (i.e., repair time and cost, etc.), it is necessary estimate the amount of labor (person-day) for caused by seismic damage. The purpose this study obtain fundamental information establishing relation model between L per unit floor area inter-story drift angle R L-R model). We analyze effects structural non-structural components failure mode members, on relatio...

2002

STOCK DEFINITION AND GEOGRAPHIC RANGE Hawaiian monk seals are distributed throughout the Northwestern Hawaiian Islands (NWHI) in six main reproductive subpopulations at French Frigate Shoals, Laysan Island, Lisianski Island, Pearl and Hermes Reef, Midway Atoll, and Kure Atoll. Small subpopulations also exist at Necker Island and Nihoa Island and a few seals are distributed throughout the main H...

2004

STOCK DEFINITION AND GEOGRAPHIC RANGE Hawaiian monk seals are distributed throughout the Northwestern Hawaiian Islands (NWHI) in six main reproductive subpopulations at French Frigate Shoals, Laysan and Lisianski Islands, Pearl and Hermes Reef, and Midway and Kure Atoll. Small numbers also occur at Necker, Nihoa, and the main Hawaiian Islands, primarily at Niihau. Genetic variation in Hawaiian ...

2012
A. F. Borghesani

An accurate determination of the “time-of-flight” in swarm experiments with a parallel plate drift chamber requires that the time evolution of the charge induced on the collector is linear. This is obtained in very large chambers where the edge effects can be neglected. However, the experimental conditions of high-mobility carriers and highly pressurized gases impose some constraints on the acc...

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