Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Kruszka Leopold"'
Publikováno v:
EPJ Web of Conferences, Vol 250, p 04002 (2021)
To study the dynamic strength of pipe steels, a cycle of dynamic tests of three grades of pipeline steels (X80, X90, and X100) was performed, which included three types of experiments based on the Kolsky method: uniaxial tension of smooth specimens,
Externí odkaz:
https://doaj.org/article/d6996fb15ba94b55ae8f684e8ff375ef
Autor:
Chmielewski Ryszard, Kruszka Leopold
Publikováno v:
MATEC Web of Conferences, Vol 284, p 05002 (2019)
Repairs of historic buildings require the selection of such the design solutions to achieve the intended effects while ensuring the effectiveness of these repairs. This is particularly important in case of the structural failures of these facilities.
Externí odkaz:
https://doaj.org/article/2fa7b573b60c43618c8f9d50ca4e2918
Autor:
Kruszka Leopold
Publikováno v:
MATEC Web of Conferences, Vol 284, p 05007 (2019)
The subject of the paper are existing intermediate steel/ceramic ceiling structures on four levels from "-1" to "2" in a remodelled historic department store in Wroclaw, which are reinforced with an extra concrete flooring slab cast on a trapezoidal
Externí odkaz:
https://doaj.org/article/69d8360822b74ec3876fa40053642720
Autor:
Kruszka Leopold, Muzolf Pawel
Publikováno v:
MATEC Web of Conferences, Vol 284, p 02005 (2019)
The paper presents the diagnostics of the technical condition of the external layers of the sports hall walls. Structural failures related to construction defects themselves constitute a relatively small percentage (4.1% in 2017, 5.05% in 2014-2017 [
Externí odkaz:
https://doaj.org/article/f07f1b1beeaf417792ea2acca889f05d
Publikováno v:
MATEC Web of Conferences, Vol 174, p 02018 (2018)
The results of experimental study of mechanical properties of samples of lime-sand brick under dynamic loading are presented. The tests were carried out using the traditional Kolsky method and its modification - dynamic splitting (the so-called «Bra
Externí odkaz:
https://doaj.org/article/4bd55357867a4e5a805a5d0b40ab0f80
Autor:
Kruszka Leopold
Publikováno v:
MATEC Web of Conferences, Vol 174, p 03013 (2018)
The paper presents selected aspects of reinforcing the brick cultural heritage buildings, particularly load-carrying elements of those structures. In some cases the operational phase of many load-bearing elements of the historical buildings is shrink
Externí odkaz:
https://doaj.org/article/ef1614a0e3e940998a06ee42af0029ee
Autor:
Bragov Anatoliy, Igumnov Leonid, Lomunov Andrey, Konstantinov Alexander, Lamzin Dmitriy, Kruszka Leopold
Publikováno v:
MATEC Web of Conferences, Vol 174, p 02022 (2018)
The dynamic test techniques used to obtain the mechanical properties of brittle materials are described. The techniques are based on the fundamental Kolsky method using the Split-Hopkinson Pressure Bar. Dynamic tests are characterized by high intensi
Externí odkaz:
https://doaj.org/article/fcfdbaefc56f4177ba0cd3497055845c
Publikováno v:
MATEC Web of Conferences, Vol 174, p 03011 (2018)
This paper presents a case study of investigating damage and assessing the current detailed technical state of the historic apartment house located at No. 31 in Dobra Street in Warsaw. The purpose of this assessment is to determine the possibility of
Externí odkaz:
https://doaj.org/article/b372a205ad0c41dfa19e9d21cef133ad
Autor:
Kruszka Leopold, Janiszewski Jacek
Publikováno v:
EPJ Web of Conferences, Vol 183, p 04004 (2018)
The paper covers static and dynamic testing of structural building steels grades B500A and RB500W in tension and compression under wide range of strain rates. The spilt Hopkinson bar technique apparatus is used to investigate the dynamic behaviours b
Externí odkaz:
https://doaj.org/article/ae588bf308404209bf2ac99291ee8f08
Publikováno v:
EPJ Web of Conferences, Vol 183, p 02035 (2018)
The combined experimental and theoretical approach was applied to the study of high-speed deformation and fracture of the 1810 stainless steel. The material tests were performed using a split Hopkinson pressure bar to determine dynamic stress-strain
Externí odkaz:
https://doaj.org/article/de7d66f2ae7e468aa02a919b315ff3df