Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Daniel LEPĂDATU"'
Publikováno v:
ACROSS, Vol 6, Iss 2 (2022)
In order to ensure the safety of engineering structures and especially those with special regimen such as the viaducts requiring careful monitoring of spatial displacements, it is necessary to find an optimal combination of criteria that are evaluate
Externí odkaz:
https://doaj.org/article/1fc4e2e0905e4e0bb1925e8f4059d599
Publikováno v:
ACROSS, Vol 6, Iss 2 (2022)
Constructions made out of mortar and cement concrete are unveiled to advanced chemical corrosion processes, especially when placed in aggressive environments. The study follows the behaviour of concrete with a slag content of 10 % exposed to chlorine
Externí odkaz:
https://doaj.org/article/7d9cb644f7b7421aba40ad529ceee649
Publikováno v:
Bulletin of the Polytechnic Institute of Jassy: Constructions, Architechture Section, Vol LIV (LVIII), Iss 2, Pp 43-52 (2008)
The aim of this paper is to present a statistical investigation, for analyzing the buildings characteristics from the energy efficiency point of view. The energy efficiency of buildings may be estimated by their capacity to ensure a healthy and comfo
Externí odkaz:
https://doaj.org/article/eb14a5d8b0a24bd68b86640e9966065d
Autor:
Daniel Lepădatu, Marinela Bărbuţă
Publikováno v:
Bulletin of the Polytechnic Institute of Jassy: Constructions, Architechture Section, Vol LIII (LVII), Iss 3-4, Pp 49-58 (2007)
The aim of this paper is to present an approach for developing material models, using a statistical investigation, for analysing the mechanical characteristics of polymer concrete. The experimental studies were realized on polymer concrete prepared o
Externí odkaz:
https://doaj.org/article/dc12cbdc1bc042328ecfa755191e113d
Publikováno v:
Bulletin of the Polytechnic Institute of Jassy: Constructions, Architechture Section, Vol LIII (LVII), Iss 3-4, Pp 43-48 (2007)
Finite element method was developed to be applied in case of the elastic materials. If this method is applied on reinforced concrete elements and structures, the results are affected by errors because this material doesn’t have an elastic behavior
Externí odkaz:
https://doaj.org/article/fb975493343d48998978527fb23047df
Publikováno v:
Bulletin of the Polytechnic Institute of Jassy: Constructions, Architechture Section, Vol LII (LVI), Iss 3-4, Pp 59-68 (2006)
Evaluation of residual mechanical characteristics for reinforced concrete structures is an actual problem in Romania where, a lot of buildings were designed and erected before year 1963 when the first seismic norms appear. For these buildings it is n
Externí odkaz:
https://doaj.org/article/e0065cfd11914021b32916bc1400c525
Publikováno v:
Bulletin of the Polytechnic Institute of Jassy: Constructions, Architechture Section, Vol LII (LVI), Iss 1-2, Pp 65-78 (2006)
The aim of this paper is to propose an original optimization approach using the concept of computational design of experiments and response surface methodology to check the curvature in numerical experiments. Generally, for the study of the strongly
Externí odkaz:
https://doaj.org/article/729b4f7da7c040cd8a16dacfacc3e6c3
Autor:
Laurentiu ADAM, Dorina-Nicolina ISOPESCU, Loredana JUDELE, Roxana Dana BUCUR, Daniel LEPADATU
Publikováno v:
Journal of Applied Life Sciences and Environment, Vol 55, Iss 2(190), Pp 145-158 (2023)
Waste is a major worldwide problem and its recycling has become mandatory in the current context of the decrease in natural resources. The management of recyclable waste improves the efficiency of any economic activities and the impact on the environ
Externí odkaz:
https://doaj.org/article/2bc65c5eae7c4bc5abbabbe3ce9e2e27
Autor:
Marinela Barbuta, Emanuela Marin, Sorin Mihai Cimpeanu, Gigel Paraschiv, Daniel Lepadatu, Roxana Dana Bucur
Publikováno v:
Advances in Materials Science and Engineering, Vol 2015 (2015)
The influence of coal fly ash and glass fiber waste on the tensile strength of cement concrete was studied using central composite design. Coal fly ash was used to replace 10% of the cement in the concrete mix. Glass fiber was added to improve the te
Externí odkaz:
https://doaj.org/article/f3f8d4e92ea24ab78295a9faf10ec70f