TY  - CONF
AU  - Novčić, Stefan
AU  - Vranešević, Diana
AU  - Parezanović, Aleksandra
AU  - Medarević, Ivana
AU  - Gospavić, Radovan
AU  - Todorović, Goran
PY  - 2023
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/3166
AB  - In this paper, using a dynamic RC model for heat transfer in a room on the ground floor, 
the three-time constants of heat transfer that corresponds to the different parts of a 
weekend cottage on Kopaonik were determined. The model considered the heat 
accumulation and losses through the facade wall, floor and interior part of the room. The 
time constant of the wall is the characteristic time for establishing a stationary state of the 
temperature inside the wall during rapid changes in the external air temperature and it 
represents a measure of the thermal inertia of the wall. The model was validated by 
experimental measurements of air temperatures and wall surface temperatures. 
Measurements were carried out in situ continuously for 21 hours in real conditions in the 
winter period. Air temperature measurements were made with standalone data loggers. 
The paper presents the results of the measurements, the parameters and the electrical 
diagram of the RC model and the results comparing the measured temperatures with the 
same temperatures obtained by this model. Satisfactory agreements were obtained.
PB  - Faculty of civil engineering and architecture / University of Niš and Serbian academy of sciences and arts - branch in Niš
C3  - International conference Synergy of architecture and civil Engineering, Niš, 14-15 September, 2023
T1  - Experimental determination of dynamic parameters of heat passage through the facade wall of a weekend cottage on mountain Kopaonik, Serbia
UR  - https://hdl.handle.net/21.15107/rcub_grafar_3166
ER  - 

@conference{
author = "Novčić, Stefan and Vranešević, Diana and Parezanović, Aleksandra and Medarević, Ivana and Gospavić, Radovan and Todorović, Goran",
year = "2023",
abstract = "In this paper, using a dynamic RC model for heat transfer in a room on the ground floor, 
the three-time constants of heat transfer that corresponds to the different parts of a 
weekend cottage on Kopaonik were determined. The model considered the heat 
accumulation and losses through the facade wall, floor and interior part of the room. The 
time constant of the wall is the characteristic time for establishing a stationary state of the 
temperature inside the wall during rapid changes in the external air temperature and it 
represents a measure of the thermal inertia of the wall. The model was validated by 
experimental measurements of air temperatures and wall surface temperatures. 
Measurements were carried out in situ continuously for 21 hours in real conditions in the 
winter period. Air temperature measurements were made with standalone data loggers. 
The paper presents the results of the measurements, the parameters and the electrical 
diagram of the RC model and the results comparing the measured temperatures with the 
same temperatures obtained by this model. Satisfactory agreements were obtained.",
publisher = "Faculty of civil engineering and architecture / University of Niš and Serbian academy of sciences and arts - branch in Niš",
journal = "International conference Synergy of architecture and civil Engineering, Niš, 14-15 September, 2023",
title = "Experimental determination of dynamic parameters of heat passage through the facade wall of a weekend cottage on mountain Kopaonik, Serbia",
url = "https://hdl.handle.net/21.15107/rcub_grafar_3166"
}

Novčić, S., Vranešević, D., Parezanović, A., Medarević, I., Gospavić, R.,& Todorović, G.. (2023). Experimental determination of dynamic parameters of heat passage through the facade wall of a weekend cottage on mountain Kopaonik, Serbia. in International conference Synergy of architecture and civil Engineering, Niš, 14-15 September, 2023
Faculty of civil engineering and architecture / University of Niš and Serbian academy of sciences and arts - branch in Niš..
https://hdl.handle.net/21.15107/rcub_grafar_3166

Novčić S, Vranešević D, Parezanović A, Medarević I, Gospavić R, Todorović G. Experimental determination of dynamic parameters of heat passage through the facade wall of a weekend cottage on mountain Kopaonik, Serbia. in International conference Synergy of architecture and civil Engineering, Niš, 14-15 September, 2023. 2023;.
https://hdl.handle.net/21.15107/rcub_grafar_3166 .

Novčić, Stefan, Vranešević, Diana, Parezanović, Aleksandra, Medarević, Ivana, Gospavić, Radovan, Todorović, Goran, "Experimental determination of dynamic parameters of heat passage through the facade wall of a weekend cottage on mountain Kopaonik, Serbia" in International conference Synergy of architecture and civil Engineering, Niš, 14-15 September, 2023 (2023),
https://hdl.handle.net/21.15107/rcub_grafar_3166 .

TY  - JOUR
AU  - Petojević, Zorana
AU  - Savić, Milica
AU  - Parezanović, Aleksandra
AU  - Nadaždi, Ana
PY  - 2023
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2978
AB  - Construction, one of the largest global economic sectors, has been severely challenged by the economic uncertainties brought on by COVID-19. Since 2020, pandemic-related disruptions and remedial measures have made its historically low performance even more difficult. As a result, recent research mainly addressed these negative consequences on the construction sector. In contrast, this paper aims to identify mitigation strategies recognised as good practices on construction projects in Serbia, in addition to detecting disruptions and quantifying their effects on cost and time overruns. A particular emphasis is given to how the pandemic hastened digital transition and encouraged the adoption of modern project management practices. The research was carried out through a survey of two rounds, conducted one year apart, to obtain an in-depth overview. The findings indicated that, although it had an impact on construction projects, the pandemic was not particularly harmful, because of widely used remedial measures and modern project management techniques. However, the pandemic did not modernise project implementation substantially nor significantly increase the use of cutting-edge digital technologies. Nevertheless, it encouraged project managers to think about introducing new approaches in project management, where digitisation is the new normal. The research findings may indicate to academia and practitioners what strategies may assure a project’s implementation even in enormously changed conditions, such as during a pandemic.
T2  - Sustainability
T1  - COVID-19 Struggle and Post-COVID-19 Recovery: Exploring the Governance, Success, and Digital Transition in Construction Projects in Serbia
SP  - 674
VL  - 15
DO  - 10.3390/su15010674
ER  - 

@article{
author = "Petojević, Zorana and Savić, Milica and Parezanović, Aleksandra and Nadaždi, Ana",
year = "2023",
abstract = "Construction, one of the largest global economic sectors, has been severely challenged by the economic uncertainties brought on by COVID-19. Since 2020, pandemic-related disruptions and remedial measures have made its historically low performance even more difficult. As a result, recent research mainly addressed these negative consequences on the construction sector. In contrast, this paper aims to identify mitigation strategies recognised as good practices on construction projects in Serbia, in addition to detecting disruptions and quantifying their effects on cost and time overruns. A particular emphasis is given to how the pandemic hastened digital transition and encouraged the adoption of modern project management practices. The research was carried out through a survey of two rounds, conducted one year apart, to obtain an in-depth overview. The findings indicated that, although it had an impact on construction projects, the pandemic was not particularly harmful, because of widely used remedial measures and modern project management techniques. However, the pandemic did not modernise project implementation substantially nor significantly increase the use of cutting-edge digital technologies. Nevertheless, it encouraged project managers to think about introducing new approaches in project management, where digitisation is the new normal. The research findings may indicate to academia and practitioners what strategies may assure a project’s implementation even in enormously changed conditions, such as during a pandemic.",
journal = "Sustainability",
title = "COVID-19 Struggle and Post-COVID-19 Recovery: Exploring the Governance, Success, and Digital Transition in Construction Projects in Serbia",
pages = "674",
volume = "15",
doi = "10.3390/su15010674"
}

Petojević, Z., Savić, M., Parezanović, A.,& Nadaždi, A.. (2023). COVID-19 Struggle and Post-COVID-19 Recovery: Exploring the Governance, Success, and Digital Transition in Construction Projects in Serbia. in Sustainability, 15, 674.
https://doi.org/10.3390/su15010674

Petojević Z, Savić M, Parezanović A, Nadaždi A. COVID-19 Struggle and Post-COVID-19 Recovery: Exploring the Governance, Success, and Digital Transition in Construction Projects in Serbia. in Sustainability. 2023;15:674.
doi:10.3390/su15010674 .

Petojević, Zorana, Savić, Milica, Parezanović, Aleksandra, Nadaždi, Ana, "COVID-19 Struggle and Post-COVID-19 Recovery: Exploring the Governance, Success, and Digital Transition in Construction Projects in Serbia" in Sustainability, 15 (2023):674,
https://doi.org/10.3390/su15010674 . .

TY  - CONF
AU  - Parezanović, Aleksandra
AU  - Kiana, Ehsan
AU  - Rajović, Andrijana
AU  - Govedarica, Ognjen
AU  - Aškrabić, Marina
AU  - Radević, Aleksandar
AU  - Savić, Aleksandar
AU  - Zakić, Dimitrije
PY  - 2022
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2839
AB  - The results of comparative testing of porous lightweight aggregate concrete made with various percentages of neutral as a partial replacement of cement are presented in this paper. Neutral represents non-hazardous, inert and solidified material obtained after the treatment of industrial waste materials that have further use value. Four types of prefabricated cavernous concrete flags with different percentages of cement replacement with neutral (0, 10, 20 and 30%) were tested regarding the following properties: density, compressive strength, tensile strength, frost resistance, hydraulic conductivity and thermal conductivity coefficient.
PB  - Društvo za ispitivanje i istraživanje materijala i konstrukcija Srbije I Udruženje savremene industrije glinenih proizvoda Srbije
C3  - Zbornik radova XXVIII kongres DIMK i IX kongres SIGP sa Međunarodnim simpozijumom o istraživanjima i primeni savremenih dostignuća u građevinarstvu u oblasti materijala i konstrukcija
T1  - Investigation of the mechanical, hydrophysical and thermotechnical properties of porous lightweight aggregate concrete
SP  - 433
UR  - https://hdl.handle.net/21.15107/rcub_grafar_2839
ER  - 

@conference{
author = "Parezanović, Aleksandra and Kiana, Ehsan and Rajović, Andrijana and Govedarica, Ognjen and Aškrabić, Marina and Radević, Aleksandar and Savić, Aleksandar and Zakić, Dimitrije",
year = "2022",
abstract = "The results of comparative testing of porous lightweight aggregate concrete made with various percentages of neutral as a partial replacement of cement are presented in this paper. Neutral represents non-hazardous, inert and solidified material obtained after the treatment of industrial waste materials that have further use value. Four types of prefabricated cavernous concrete flags with different percentages of cement replacement with neutral (0, 10, 20 and 30%) were tested regarding the following properties: density, compressive strength, tensile strength, frost resistance, hydraulic conductivity and thermal conductivity coefficient.",
publisher = "Društvo za ispitivanje i istraživanje materijala i konstrukcija Srbije I Udruženje savremene industrije glinenih proizvoda Srbije",
journal = "Zbornik radova XXVIII kongres DIMK i IX kongres SIGP sa Međunarodnim simpozijumom o istraživanjima i primeni savremenih dostignuća u građevinarstvu u oblasti materijala i konstrukcija",
title = "Investigation of the mechanical, hydrophysical and thermotechnical properties of porous lightweight aggregate concrete",
pages = "433",
url = "https://hdl.handle.net/21.15107/rcub_grafar_2839"
}

Parezanović, A., Kiana, E., Rajović, A., Govedarica, O., Aškrabić, M., Radević, A., Savić, A.,& Zakić, D.. (2022). Investigation of the mechanical, hydrophysical and thermotechnical properties of porous lightweight aggregate concrete. in Zbornik radova XXVIII kongres DIMK i IX kongres SIGP sa Međunarodnim simpozijumom o istraživanjima i primeni savremenih dostignuća u građevinarstvu u oblasti materijala i konstrukcija
Društvo za ispitivanje i istraživanje materijala i konstrukcija Srbije I Udruženje savremene industrije glinenih proizvoda Srbije., 433.
https://hdl.handle.net/21.15107/rcub_grafar_2839

Parezanović A, Kiana E, Rajović A, Govedarica O, Aškrabić M, Radević A, Savić A, Zakić D. Investigation of the mechanical, hydrophysical and thermotechnical properties of porous lightweight aggregate concrete. in Zbornik radova XXVIII kongres DIMK i IX kongres SIGP sa Međunarodnim simpozijumom o istraživanjima i primeni savremenih dostignuća u građevinarstvu u oblasti materijala i konstrukcija. 2022;:433.
https://hdl.handle.net/21.15107/rcub_grafar_2839 .

Parezanović, Aleksandra, Kiana, Ehsan, Rajović, Andrijana, Govedarica, Ognjen, Aškrabić, Marina, Radević, Aleksandar, Savić, Aleksandar, Zakić, Dimitrije, "Investigation of the mechanical, hydrophysical and thermotechnical properties of porous lightweight aggregate concrete" in Zbornik radova XXVIII kongres DIMK i IX kongres SIGP sa Međunarodnim simpozijumom o istraživanjima i primeni savremenih dostignuća u građevinarstvu u oblasti materijala i konstrukcija (2022):433,
https://hdl.handle.net/21.15107/rcub_grafar_2839 .

TY  - CONF
AU  - Isailović, Dušan
AU  - Parezanović, Aleksandra
AU  - Nadaždi, Ana
AU  - Višnjevac, Nenad
AU  - Petojević, Zorana
PY  - 2022
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2874
AB  - The construction industry consumes up to half of the excavated primary resources and
generates one-third of total waste annually, impacting the environment and society. To
reduce this impact, maintaining the primary resources in some form within the economy
as long as possible is essential. One of the ways to do this would be to recover waste
products and cycle them back into the economy as a secondary resource, either through
reusing or recycling. This implies carefully planned waste recovery strategies based on the
knowledge of the materials embedded in constructions. The solutions that encourage data
transparency and increase the availability of data on this knowledge to all potential
stakeholders across many industries could contribute to creating more effective strategies.
Digital technologies are the primary tool in the development of such solutions. Integrating
Building Information Modelling (BIM) and Geographic Information Systems (GIS) provides
the power to achieve this. The main objective of this paper is to develop and validate a digital
solution that compiles, systematizes and represents the buildings’ material inventory data
at the municipal level. To this end, a three-step methodological framework was introduced:
(1) development of BIMs for the existing building stock; (2) allocation of material inventory
data to BIMs; and (3) integration of a digital solution into 3D GIS. A residential building in
one of the central municipalities of Belgrade, Serbia, was selected as a case study to evaluate
the proposed concept. The BIM model was reconstructed from aerial and terrestrial scans
(Scan-to BIM), and its semantic enrichment with the data on building type, construction
period, type of built-in materials, their service lives and material quantities acquired from
several publicly available sources. When fully implemented at the urban scale level and
validated in the interaction with public administration, NGOs from the housing sector and
end-users, the platform could be a valuable tool which may maximize the circular potential of each material embedded in buildings and help in more effective policymaking and could be used for benchmarking and progress tracking of achieving strategic goals set within
these policies.
C3  - Conference on interdisciplinary and transdisciplinary research for sustainable development
T1  - A digital solution for unlocking the urban mining potential of the residential building stock through the integration of BIM and GIS
UR  - https://hdl.handle.net/21.15107/rcub_grafar_2874
ER  - 

@conference{
author = "Isailović, Dušan and Parezanović, Aleksandra and Nadaždi, Ana and Višnjevac, Nenad and Petojević, Zorana",
year = "2022",
abstract = "The construction industry consumes up to half of the excavated primary resources and
generates one-third of total waste annually, impacting the environment and society. To
reduce this impact, maintaining the primary resources in some form within the economy
as long as possible is essential. One of the ways to do this would be to recover waste
products and cycle them back into the economy as a secondary resource, either through
reusing or recycling. This implies carefully planned waste recovery strategies based on the
knowledge of the materials embedded in constructions. The solutions that encourage data
transparency and increase the availability of data on this knowledge to all potential
stakeholders across many industries could contribute to creating more effective strategies.
Digital technologies are the primary tool in the development of such solutions. Integrating
Building Information Modelling (BIM) and Geographic Information Systems (GIS) provides
the power to achieve this. The main objective of this paper is to develop and validate a digital
solution that compiles, systematizes and represents the buildings’ material inventory data
at the municipal level. To this end, a three-step methodological framework was introduced:
(1) development of BIMs for the existing building stock; (2) allocation of material inventory
data to BIMs; and (3) integration of a digital solution into 3D GIS. A residential building in
one of the central municipalities of Belgrade, Serbia, was selected as a case study to evaluate
the proposed concept. The BIM model was reconstructed from aerial and terrestrial scans
(Scan-to BIM), and its semantic enrichment with the data on building type, construction
period, type of built-in materials, their service lives and material quantities acquired from
several publicly available sources. When fully implemented at the urban scale level and
validated in the interaction with public administration, NGOs from the housing sector and
end-users, the platform could be a valuable tool which may maximize the circular potential of each material embedded in buildings and help in more effective policymaking and could be used for benchmarking and progress tracking of achieving strategic goals set within
these policies.",
journal = "Conference on interdisciplinary and transdisciplinary research for sustainable development",
title = "A digital solution for unlocking the urban mining potential of the residential building stock through the integration of BIM and GIS",
url = "https://hdl.handle.net/21.15107/rcub_grafar_2874"
}

Isailović, D., Parezanović, A., Nadaždi, A., Višnjevac, N.,& Petojević, Z.. (2022). A digital solution for unlocking the urban mining potential of the residential building stock through the integration of BIM and GIS. in Conference on interdisciplinary and transdisciplinary research for sustainable development.
https://hdl.handle.net/21.15107/rcub_grafar_2874

Isailović D, Parezanović A, Nadaždi A, Višnjevac N, Petojević Z. A digital solution for unlocking the urban mining potential of the residential building stock through the integration of BIM and GIS. in Conference on interdisciplinary and transdisciplinary research for sustainable development. 2022;.
https://hdl.handle.net/21.15107/rcub_grafar_2874 .

Isailović, Dušan, Parezanović, Aleksandra, Nadaždi, Ana, Višnjevac, Nenad, Petojević, Zorana, "A digital solution for unlocking the urban mining potential of the residential building stock through the integration of BIM and GIS" in Conference on interdisciplinary and transdisciplinary research for sustainable development (2022),
https://hdl.handle.net/21.15107/rcub_grafar_2874 .

TY  - JOUR
AU  - Nadaždi, Ana
AU  - Parezanović, Aleksandra
AU  - Petojević, Zorana
AU  - Naunović, Zorana
PY  - 2022
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2713
AB  - As governments worldwide attempt to develop sustainable waste management strategies, massive amounts of waste have been accumulating. However, developing an effective waste management strategy requires a thorough understanding of waste types and quantites. The existing efforts to identify waste flows in the built environment are unsuitable for countries with non-reliable statistics as they mostly use location-specific parameters such as data on construction, renovation, demolition activity, and generation rates from the literature. The types and quantities of materials embedded are rarely considered. This study aims to fill the identified gap by estimating the quantities of different material types embedded in Serbian residential building stock. It will do so by calculating the volume and weights of building elements and their materials using information from a detailed building stock typology. The results show that the amounts of materials embedded vary significantly from district to district, ranging from 10 in Toplička District to 96.9 million tons in Belgrade. The mineral materials are the highest contributors to the material embedded, implying that future waste management strategies should focus on them. Apart from the formulation of location-specific circular economy and waste management strategies, these results may be useful for planning energy efficiency retrofitting activities, deconstruction and reversible design strategies.
T2  - Building Materials and Structures
T1  - Urban mining potential in Serbia: Case study of residential building material stock
IS  - 3
VL  - 65
DO  - 10.5937/GRMK2203085N
ER  - 

@article{
author = "Nadaždi, Ana and Parezanović, Aleksandra and Petojević, Zorana and Naunović, Zorana",
year = "2022",
abstract = "As governments worldwide attempt to develop sustainable waste management strategies, massive amounts of waste have been accumulating. However, developing an effective waste management strategy requires a thorough understanding of waste types and quantites. The existing efforts to identify waste flows in the built environment are unsuitable for countries with non-reliable statistics as they mostly use location-specific parameters such as data on construction, renovation, demolition activity, and generation rates from the literature. The types and quantities of materials embedded are rarely considered. This study aims to fill the identified gap by estimating the quantities of different material types embedded in Serbian residential building stock. It will do so by calculating the volume and weights of building elements and their materials using information from a detailed building stock typology. The results show that the amounts of materials embedded vary significantly from district to district, ranging from 10 in Toplička District to 96.9 million tons in Belgrade. The mineral materials are the highest contributors to the material embedded, implying that future waste management strategies should focus on them. Apart from the formulation of location-specific circular economy and waste management strategies, these results may be useful for planning energy efficiency retrofitting activities, deconstruction and reversible design strategies.",
journal = "Building Materials and Structures",
title = "Urban mining potential in Serbia: Case study of residential building material stock",
number = "3",
volume = "65",
doi = "10.5937/GRMK2203085N"
}

Nadaždi, A., Parezanović, A., Petojević, Z.,& Naunović, Z.. (2022). Urban mining potential in Serbia: Case study of residential building material stock. in Building Materials and Structures, 65(3).
https://doi.org/10.5937/GRMK2203085N

Nadaždi A, Parezanović A, Petojević Z, Naunović Z. Urban mining potential in Serbia: Case study of residential building material stock. in Building Materials and Structures. 2022;65(3).
doi:10.5937/GRMK2203085N .

Nadaždi, Ana, Parezanović, Aleksandra, Petojević, Zorana, Naunović, Zorana, "Urban mining potential in Serbia: Case study of residential building material stock" in Building Materials and Structures, 65, no. 3 (2022),
https://doi.org/10.5937/GRMK2203085N . .