National Repository of Grey Literature 5 records found  Search took 0.00 seconds. 
Protection of historic buildings against vibrations
Urushadze, Shota ; Pirner, Miroš ; Bayer, Jan
The presented heritage procedure was developed in 2018-2021 as part of the NAKI project no. DG18P02OVV040, entitled 'Monuments in Motion', funded by the Ministry of Culture of the Czech Republic. The basis for the design of this heritage procedure is the 30-year activity of Prof. Pirner, Ing. Urushadze and Ing. Bayer in the field of technical seismicity and building dynamics in general. The proposed heritage procedure is actually a methodological guide on how to proceed if there are any failures or negative effects that could be related to vibrations, as well as how to deal with them. For each of the various points of the procedure examples are given from our many years of practice. In general, these investigations involve theoretical and experimental analysis including in situ investigations, non-destructive and laboratory tests on models, using finite element modelling.\n
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Effects of Constructional Vibrations Induced by Shallow Tunnelling upon Urban Areas
Kaláb, Zdeněk
Generally, the most intensive seismic effect is generated in cases when blasts were used as part of technology. This paper deals with description of experimental seismic measurements that were performed during construction of underground spaces. All of presented studies were concentrated on shallow urban tunnelling.
Design of measurement system and evaluation of technical seismicity influence induced by urban tunnelling upon surface structures
Kaláb, Zdeněk ; Knejzlík, Jaromír ; Holub, Karel
This report summarized results of project CBU 38-05 (Czech Bureau of Mining) that were obtained to solve partial problem (see name of report). Significant results were presented in recommended methodologies of measurements and evaluation of seismicity induced by shallow tunneling in urban areas, also in recommendation for changes in law CBU 55/1996.
Modelling of dynamical load by utilize the finite element method of Plaxis 2D programming system
Stolárik, Martin
Paper deals with search study themed modelling of dynamical load by utilize the finite element method of Plaxis 2D programming system. In this article, four dynamical model examples are presented, which represent natural and technical seismicity with different access to setting of own dynamic load into models.velocities detect existence of fissure in the granit specimen.

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