نتایج جستجو برای: active base isolation
تعداد نتایج: 806237 فیلتر نتایج به سال:
Now a days the rate of happening seismic events increasing and due to that so many structures got collapsed or damaged. In order reduce damage during earthquakes, now base isolation system is widely adopted used over world. This paper makes wide review on various techniques used. Different types isolating bearings materials in it are reviewed. Here done for normal R.C buildings (regular irregul...
Active vibration isolation systems are being considered to improve the performance of spacecraft instruments and sensors. Because of uncertainties inherent in on-orbit operation, adaptive control strategies and algorithms have relevance to these systems. In this paper, analysis of the algorithms, numerical simulation, and laboratory test data are used to evaluate adaptive feedforward control. O...
Every year lots of black tea (Camellia sinensis (L.) Kuntze) residue will produce in the factories. These residue are unusable whereas the bio active compounds can be extracted and used in the drag and food industries. Due to mentioned problems, this project was conducted years 2011 - 2012 with the aim to make a study on consecutive isolation of all bio active compounds from tea residu...
Harnessing the concept of inertial amplification, an amplifier coupled base isolator (IABI) is proposed in this paper. The seismic performance, terms story drift, shear reduction, has been compared with that classical (CBI) and inerter-based isolation system (Inerter-BI). A thorough analytical study, implementing rationals random vibration for harmonic Gaussian white noise conducted to identify...
This paper reports on an investigation into how base isolation can produce benefits for the architectural design of hospitals. If a relatively new technology such as base isolation can be coupled with interdisciplinary collaboration from the birth of a project, it seems possible to achieve an improvement not only in their seismic, but also in their architectural design. The methodology adopted ...
It has been hypothesized that a replication associated repair pathway operates on base damage and single strand breaks (SSB) at replication forks. In this study, we present the isolation from the nuclei of human cycling cells of a multiprotein complex containing most of the essential components of base excision repair (BER)/SSBR, including APE1, UNG2, XRCC1 and POLbeta, DNA PK, replicative POLa...
An innovative hybrid control building system of multiple isolation and connection is proposed and investigated using both time history and input energy responses for various types of ground motions together with transfer functions. It is concerned that the seismic displacement response at the base-isolation layer of the existing baseisolated buildings may extremely increase under long-period an...
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