000018969 001__ 18969
000018969 005__ 20170118182251.0
000018969 04107 $$aeng
000018969 046__ $$k2017-01-09
000018969 100__ $$aMoriwaki, Miki
000018969 24500 $$aDevelopment of Hybrid Simulation System With a General Fem Software and Ui-Simcor At Low-Temperature Environment

000018969 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000018969 260__ $$b
000018969 506__ $$arestricted
000018969 520__ $$2eng$$aIn these 20 years after Kobe Earthquake in Japan, seismic devices such as rubber bearing, seismic damper and other additional devices have been rapidly developed and they have been installed to bridges to improve their seismic performance. Seismic performance of bridges with seismic devices is commonly evaluated by numerical simulation. To establish numerical model of the bridge, the seismic device must be modeled properly. However stiffness and damping of such devices are nonlinear and their formulation needs many cases of loading tests and careful consideration for modeling. Moreover these devices often use materials which has thermal dependency, and it is concerned that these seismic performance deteriorates at winter season in cold region. Substructured hybrid simulation is effective for development of such devices with combination of numerical simulation and physical experiments. Whole of structures including steel and concrete members are modeled in numerical simulation with FEM software. Novel developed devices are tested simultaneously in loading facilities. Therefore, a substructured hybrid simulation system for low-temperature environment was developed in this study. The developed system utilized an open-source pseudo-dynamic simulation system UI-SIMCOR and a sub-program which could cooperate with existent loading facility in a cold room was developed. The capacity of the loading facility was 300kN for static loading and it was able to operate in -30 degree in Celsius. To enhance usability of the system, another sub-program was also developed for application of general FEM software. A simulation for a simple girder model with a seismic damper was performed. A girder model was consisted of 5 beam elements with supports at its ends. This girder was modeled by a general FEM software. A seismic device was connected to an intermediate node of the girder model. This seismic device was an experimental part of the hybrid simulation system. To confirm working the system properly, linear steel springs were installed instead of a seismic damper. Then after the pretest, a seismic damper was installed to evaluate seismic performance of the whole structure. In the hybrid simulation, dynamic response of the damper was obtained as a part of whole structure and friction type displacement-force hysteresis curve was properly obtained. The maximum displacement was reduced 80% by energy dissipation of the damper. The result of the simulation was not affected by low temperature because the damper was stable to low temperature as shown in previous studies. Hence, the system was able to work properly as a substructured hybrid simulation facility at a low-temperature environment.

000018969 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000018969 653__ $$aHybridge simulation; low-temperature environment; UI-Simcor

000018969 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000018969 720__ $$aMoriwaki, Miki$$iSaito, Takehiko$$iMikami, Shuichi$$iFujiu, Shigeo$$iHiguchi, Masaki$$iMiyamori, Yasunori
000018969 8560_ $$ffischerc@itam.cas.cz
000018969 8564_ $$s508682$$uhttps://invenio.itam.cas.cz/record/18969/files/2597.pdf$$yOriginal version of the author's contribution as presented on USB, paper 2597.
000018969 962__ $$r16048
000018969 980__ $$aPAPER