An earthquake is a sudden, rapid shaking of the earth caused by breaking and shifting rock beneath earth’s surface. Earthquakes are among most powerful events on earth, their results can be terrifying. In0general for0design tall0buildings both0wind as well0as earthquake0loads need0to be0considered. Governing0criteria for0carrying out0dynamic analyses0for different0from wind0loads. However many ...

This study is investigated the optimum parameters for a tuned mass damper (TMD) under the seismic excitation. Shuffled complex evolution (SCE) is a meta-heuristic optimization method which is used to find the optimum damping and tuning frequency ratio for a TMD. The efficiency of the TMD is evaluated by decreasing the structural displacement dynamic magnification factor (DDMF) and acceleration ...

It is always convenient to find the weakest conditions that preserve some topologically inspired properties. To this end, we introduce concept of an infra soft topology which a collection subsets extend by dispensing with postulate closed under arbitrary unions. We study basic concepts topological spaces such as open and sets, interior closure operators, limit boundary points set. reveal main p...

Comment on: Logan SM, Luu BE, Storey KB. Turn down genes for WAT? Activation of antiapoptosis pathways protects white adipose tissue in metabolically depressed 13-lined ground squirrels. Mol Cell Biochem 2016; 416:47-62; http://dx.doi.org/10.1007/s11010-016-2695-0; Logan SM, Tessier SN, Tye J, Storey KB. Response of the JAK-STAT pathway to mammalian hibernation in 13-lined ground squirrel stria...

Need for designing certain important structures to resist blast loads is increasing in the recent past years, due to the enhanced terrorist operations. A bomb explosion can cause very serious damage on the building's external and internal structural frames. Collapse of one structural member in the vicinity of the source of explosion, may then create critical stress redistributions and lead to c...

To limit the response of structures during external disturbances such as strong winds or large seismic events, structural control systems can be used. In the structural engineering eld, attention has been shifted from active control to semi-active control systems. Unlike active control system devices, semiactive devices are compact, have e cient power consumption characteristics and are less ex...

The theory of '-structures [see, e.g., Ehrenfeucht and Rozenberg (1990)] provides a convenient framework for investigating various mathematical structures encountered in computer science. This paper investigates a subclass of 2-structures, called T-srrucrurrs, which turned out to be important in the investigation of basic properties of 2-structures [see Ehrenfeucht and Rozenberg (1992)]. We pro...

Building structures are subject to displacement under the influence of forces resulting from earthquake. The most common method of controlling such displacements in steel structures, which are usually of lateral type, is the use of braces. Depending on designing requirements and feasibility, braces are available in various forms. Configuration of bracing systems is generally of concentric or ec...