Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Richard Dvořák"'
Autor:
Richard Dvořák, Luboš Jakubka, Libor Topolář, Martyna Rabenda, Artur Wirowski, Jan Puchýř, Ivo Kusák, Luboš Pazdera
Publikováno v:
Materials, Vol 16, Iss 24, p 7570 (2023)
Sewage and water networks are crucial infrastructures of modern urban society. The uninterrupted functionality of these networks is paramount, necessitating regular maintenance and rehabilitation. In densely populated urban areas, trenchless methods,
Externí odkaz:
https://doaj.org/article/00d5309894c842099427839f26eb8e33
Autor:
Vlastimil Bílek, Lukáš Kalina, Richard Dvořák, Radoslav Novotný, Jiří Švec, Jiří Másilko, František Šoukal
Publikováno v:
Materials, Vol 16, Iss 5, p 1908 (2023)
This study investigates the relationships between the hydration kinetics of waterglass-activated slag and the development of its physical-mechanical properties, as well as its color change. To modify the calorimetric response of alkali-activated slag
Externí odkaz:
https://doaj.org/article/81b51f795221468aa8066221be7472c3
Publikováno v:
Materials, Vol 16, Iss 3, p 1010 (2023)
The study of the resistance of plain concrete to high temperatures is a current topic across the field of civil engineering diagnostics. It is a type of damage that affects all components in a complex way, and there are many ways to describe and diag
Externí odkaz:
https://doaj.org/article/59d0916aa32941aeb048d646ef5958a0
Publikováno v:
Materials, Vol 15, Iss 17, p 5882 (2022)
Historical buildings and monuments are largely made of brickwork. These buildings form the historical and artistic character of cities, and how we look after them is a reflection of our society. When assessing ceramic products, great emphasis is plac
Externí odkaz:
https://doaj.org/article/ea16e0563be044c4bbf82ab54f9e49a5
Autor:
Iva Rozsypalová, Michal Vyhlídal, Richard Dvořák, Tomáš Majda, Libor Topolář, Luboš Pazdera, Hana Šimonová, Zbyněk Keršner
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 15, Iss 0, Pp 99-103 (2018)
In this paper, the attention is paid to the investigation of the influence of high temperature acting on specimens made from specially designed cement-based composite. The experimental programme was carried out on six sets of beam specimens with the
Externí odkaz:
https://doaj.org/article/0ba97cce54944b8299c355e0c234f405
Autor:
Richard Dvořák, Zdeněk Chobola
Publikováno v:
Civil Engineering Journal, Vol 2018, Iss 3, Pp 258-275 (2018)
In the field of civil engineering a diagnostics acoustic non-destructive testing is widely used and in the past years it was used even in testing of high-temperature degraded concrete structures. These methods can provide specific information about t
Externí odkaz:
https://doaj.org/article/3345a386612947b9beb91d32a2cc6e34
Autor:
Richard Dvořák, Libor Topolář
Publikováno v:
Materials, Vol 14, Iss 3, p 606 (2021)
The impact-echo diagnostic method is a well-known nondestructive pulse compression test method, which can be relatively easily used for the testing of concrete and reinforced concrete elements. The evaluation of the measurement with this method is ba
Externí odkaz:
https://doaj.org/article/fa82c512a1ce4498bb5ddf41bc0b5012
Autor:
Jakub Hodul, Jana Majerová, Rostislav Drochytka, Richard Dvořák, Libor Topolář, Luboš Pazdera
Publikováno v:
Materials, Vol 13, Iss 14, p 3051 (2020)
The cured-in-place pipe (CIPP) method is currently the most frequently used approach for the renovation of piping without digging; this technology is suitable for pipes made from all types of material. The authors of this paper examined how chemical
Externí odkaz:
https://doaj.org/article/026bded3d60842a18a3d7e6fae43e5c2
Publikováno v:
Solid State Phenomena. 325:40-46
Carbonatation represents one of the potential degradation processes whose can negatively affect the service life of constructions based on the inorganic binders. The carbonatation depth of the constructions when exposed to various environments is sig
Publikováno v:
Construction Technologies and Architecture.
Testing methods used for assessment of buildings considered as a cultural heritage are focused mainly on non-destructive testing methods. Old buildings are usually sensitive to destructive in-situ testing, and a variety of non-destructive techniques