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Effect of a Carbon Fibre-steel Fibre-graphite Conductive Filler on the Electrothermal Properties of Cementitious Materials

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Journal of Wuhan University of Technology(Materials Science) 2025年第1期40卷 141-151页

作者： FAN Yanan WEI Hong ZHENG Hongyong DU Hongxiu department of architecture and Environmental Engineering Taiyuan UniversityTaiyuan 030032China College of Civil Engineering Taiyuan University of TechnologyTaiyuan 030032China

Carbon fibre,steel fibre and graphite were used as conductive fillers to prepare cementitious materials with excellent electrothermal *** electrically conductive cementitious materials with different volume dosages were analysed through compressive and flexural strength,electrochemical impedance spectroscopy and temperature rise *** equivalent circuit model was established to study the electrically conductive heat generation mechanism in the electrically conductive cementitious *** results indicate that the mechanical properties of cementitious composite materials with a ternary conductive phase are better than those of pristine cementitious materials because the fibrous filler improves their mechanical ***,the incorporation of graphite in the material reduces its *** fibrous and point-like conductive phase materials into the cementitious material enhances the overall conductive pathway and considerably reduces the electrical resistance of the cementitious material,enhancing its conductive *** volume ratios of carbon fibre,steel fibre and graphite that achieve an optimal complex doping in the cementitious material were 0.35%,0.6%and 6%,*** was determined using the mutation point of each circuit element parameter as the percolation *** addition,at a certain safety voltage,there is a uniform change between the internal and surface temperatures of the conductive cementitious material,and the heating effect in this materialis is considerably better than that in the pristine cementitious material.

关键词： cementitious composites conductive fillers electrothermal properties electrochemical impedance spectroscopy

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Energy Efficiency of a Solar Green Building Using Bio-Sourced Materials for Indoor Temperature and Humidity Optimization

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Energy Engineering 2025年第1期122卷 41-62页

作者： SoumiaMounir Youssef Maaloufa Abdelhamid Khabbazi ElinaMohd Husini Nurul SyalaAbdul Latip YakubuAminuDodo Rime ELHarrouni MinaAmazal Asma Souidi Malika Atigui Ahmed Aharoune National School of architecture Agadir New Complex Ibn ZohrAgadirBP 20732Morocco EMDD CERNE2DUniversity of Mohammed V in RabatEst SaleSaleBP 227Morocco Thermodynamics and Energetics Laboratory Faculty of ScienceIbn Zohr UniversityAgadirBP 8106Morocco Faculty of Built Environment University Sains Islam MalaysiaNilaiBP 71800Malaysia Architectural Engineering department Najran UniversityNajranBP 1988Saudi Arabia The Centre of Scientific and Engineering Research Najran UniversityNajranBP 1988Saudi Arabia Euro-Mediterranean School of architecture Design and UrbanismEuro-Mediterranean University of FezFezBP 51Morocco

A clean environment with low carbon emissions is the goal of research on the development of green and sustainable buildings that use bio-sourced materials in conjunction with solar energy to create more sustainable *** is particularly true in Africa,where there aren’t many studies on the *** current study suggests a 90 m^(2) model of a sustainable building in a dry climate that is movable to address the issue of housing in remote areas,ensures comfort in harsh weather conditions,uses solar renewable resources—which are plentiful in Africa—uses biosourced materials,and examines how these materials relate to temperature and humidity control while emitting minimal carbon *** order to solve the topic under consideration,the work is split into two sections:numerical and experimental *** TRNSYS and Revit,the suggested prototype building is examined numerically to examine the impact of orientation,envelope composition made of bio-sourced materials,and carbon *** a hygrothermal investigation,experiments are conducted to evaluate this prototype’s ***,an examination of the photovoltaic system’s production,consumption,and several scenarios used tomaximize battery life is included in the *** the biosourcedmaterial achieves a thermal transmittance of 0.15(W.m^(-2).K^(-1)),the results demonstrate an intriguing finding in terms of *** value satisfies the requirements of passive building,energy autonomy of the dwelling,and injection in-network with an annual value of 15,757 ***,compared to the literature,the heating needs ratio is 6.38(kWh/m^(2).an)and the cooling needs ratio is 49(kWh/m^(2).an),both of which are good *** to international norms,the inside temperature doesn’t go above 26℃,and the humidity level is within a comfortable range.

关键词： Bio-sourced materials energy sustainability green architecture built environment

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Studying and Estimating Visual Pollution in Irbid City (Centre of Irbid City-Case Study)

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Journal of Environmental Science and Engineering(A) 2025年第1期14卷 14-30页

作者： Mohmd Addad Shehadeh A-Taani architecture department Faculty of EngineeringAl al-Bayt UniversityMafraq 25113Jordan

Despite the global attention towards pollution,it remains a significant global threat and challenge for both developed and developing *** and economic development influence different types of *** pollution is considered a new phenomenon referring to the impact of existing and growing mainstream pollution which impairs an individual’s ability to enjoy visits or ***,Jordanian cities have expanded in response to urbanization and ongoing *** City has the second largest population in Jordan after the capital Amman City highest population density in *** the modern era,Irbid City dramatically increased in population and *** growth of the demographic population has been significant and has led to overpopulation,rapid urbanization,and unresolved problems associated with spatial planning and infrastructures leading to different types of pollution including visual *** study area focuses on the city center with the most crowded population through field visits and actual *** study technique is descriptive and analytical,with a focus on meticulous monitoring and a follow-up-based questionnaire which is a tool for the study,involving data collection,classification,presentation,analysis,interpretation,and exploration to identify new facts and generalizations that can help solve current issues of visual *** study provides recommendations for Irbid Municipal to eliminate visual pollution,in parallel with stricter supervision from the municipality during the building process to ensure proper implementation of the new rules,adopting an integrated policy for the city with the rest of the social,political,sensory,cultural,economic,and functional aspects,so that this policy is in the short and long term.

关键词： Visual pollution Irbid city spatial planning overpopulation questionnaire visual distortion urban planning.

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A Review on Integration of IoT as an Approach for Energy Saving in Smart Sustainable Cities

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Journal of Environmental Science and Engineering(A) 2025年第1期14卷 60-71页

作者： Mohd Addad Shehadeh Al-Taani architecture department Faculty of EngineeringAl al-Bayt UniversityMafraq 25113Jordan

Rapid urbanization has been happening around the world,leading to many challenges and difficulties in infrastructure,communication network,transportation,environmental and organizational *** and responsible management of urban resources plays a significant role in sustainable *** sustainable cities use ICTs(Information and Communication Technologies)to improve quality of life,efficiency of urban operation and *** latest advancement in communication,technology,data management,and IoT(Internet of Things)provide a tremendous role for practical implementations and adoption of devices and *** sustainable cities can be intellectualized as an innovative approach of controlling urban resources and valuable components based on the latest advancement in *** study focuses on reviewing and discussing the literature that states the vital components of IoT associated with smart sustainable cities in general and specifically with green energy.

关键词： IOT devices and sensors smart sustainable cities and green energy.

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Investigation of Pirnia’s orientation theory (Roon) in Yazd Qajar houses

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Frontiers of Architectural Research 2023年第5期12卷 906-922页

作者： Hatef Jafari Sharami department of architecture and urbanism University of EyvanekeyEyvanekeySemnanIran

This paper carefully explains Pirnia’s theory regarding the orientation of traditional Iranian cities and buildings(Roon)and investigates the factors involved in this historic architectural *** this purpose,40 traditional Yazd Qajar houses were under *** of which are in the Rasteh Roon and close to the southwest direction,and only five contradict the direction that Pirnia had *** the primeval data indicated the theory is strengthening,the investigation followed the fundamental factors behind this *** the perspective of analysis and discussion on involved factors(climate,topography,aqueducts,urban arteries,politics,trade routes,privacy,noise,view,and religion),it turns out that the direction of the wind and sun had negligible impacts on this orientation,and architects of the Qajar era in Yazd old city did not care about these climate *** seems religious factors were more ***,despite being approvingly referenced in many scientific studies,Pirnia’s orientation theory(Roon)dthe efforts of past Iranian architects to orient buildings in a specific direction due to their unique knowledge of region and climate factorsdbecomes not solid.

关键词： Building orientation Roon theory Pirnia Qajar Yazd houses

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Novel Methodologies for Preventing Crack Propagation in Steel Gas Pipelines Considering the Temperature Effect

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Structural Durability & Health Monitoring 2025年第1期19卷 1-23页

作者： Nurlan Zhangabay Ulzhan Ibraimova Marco Bonopera Ulanbator Suleimenov Konstantin Avramov Maryna Chernobryvko Aigerim Yessengali department of architecture and Urban Planning Mukhtar Auezov South Kazakhstan UniversityShymkent160012Kazakhstan department of Industrial Civil and Road Construction Mukhtar Auezov South Kazakhstan UniversityShymkent160012Kazakhstan Mechanics Sound&Vibration LaboratoryDepartment of Civil EngineeringCollege of EngineeringNational Taiwan UniversityTaipei10617Taiwan department of Reability&Dynamic Strength A.Pidhornyi Institute of Mechanical Engineering Problems of National Academy of Sciences of UkraineKharkiv61046Ukraine

Using the software ANSYS-19.2/Explicit Dynamics,this study performedﬁnite-element modeling of the large-diameter steel pipeline cross-section for the Beineu-Bozoy-Shymkent gas pipeline with a non-through straight crack,strengthened by steel wire *** effects of the thread tensile force of the steel winding in the form of single rings at the crack edges and the wires with different winding diameters and pitches were also *** results showed that the strengthening was preferably executed at a minimum value of the thread tensile force,which was 6.4%more effective than that at its maximum *** analysis of the inﬂuence of the winding dia-meters showed that the equivalent stresses increased by 32%from the beginning of the crack growth until the wire *** increment in winding diameter decelerated the disclosure of the edge crack and reduced its length by 8.2%.The analysis of the inﬂuence of the winding pitch showed that decreasing the distance between the winding turns also led to a 33.6%reduction in the length of the straight crack and a 7.9%reduction in the maximum stres-ses on the strengthened pipeline *** analysis of the temperature effect on the pipeline material,within a range from-40℃ to+50℃,resulted in a crack length change of up to 5.8%.As the temperature dropped,the crack length *** such a temperature range,the maximum stresses were observed along the cen-tral area of the crack,which were equal to 413 MPa at+50℃ and 440 MPa at-40℃.The results also showed that the presence of the steel winding in the pipeline signiﬁcantly reduced the length of crack propagation up to 8.4 times,depending on the temperature effect and design parameters of *** work integrated the existing methods for crack localization along steel gas pipelines.

关键词： Crack propagation ﬁnite-element internal pressure prestressing steel gas pipeline temperature effect

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MOVING TOWARDS A MORE SUSTAINABLE BELGIAN DWELLING STOCK:THE PASSIVE STANDARD AS THE NEXT STEP?

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Journal of Green Building 2013年第2期8卷 112-132页

作者： Karen Allacker Frank De Troyer Katholieke Universiteit Leuven Faculty of EngineeringDepartment of ArchitectureUrbanism and PlanningBelgium

To efficiently move towards a more sustainable dwelling stock in Belgium,priorities need to be ***,it should be questioned if the new policy measure requiring the passive standard for newly built residential buildings from 2020 onwards is *** paper emphasises on the energy related aspects of the results of a PhD *** the research residential buildings in the Belgian context were optimised from a life cycle environmental impact and cost *** results proved that not for all dwelling types and layouts the passive standard is the optimal variant.A well-considered design,orientation and choice of dwelling type will be necessary to make the future requirement of the passive standard technically feasible and efficient.

关键词： integrated approach life cycle assessment(LCA) life cycle costing(LCC) Pareto optimisation passive houses residential buildings

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Light and color therapy: the role of light and color in architecture from the perspective of traditional Persian medicine

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Traditional Medicine Research 2021年第5期6卷 59-68页

作者： Vahideh Rahimi-Mehr department of architecture Faculty of ArtArchitecture&UrbanismKerman BranchIslamic Azad UniversityKermanIran

Some of the most important elements of healing architecture are light and color,which have been considered in diverse studies of environmental design for treatment and an effect on ***,there is a lack of research in the field of the proportion of light and color with human *** goal of the present research is to provide a new perspective regarding the correlation between humans and the environment based on the philosophy of natural sciences in Iranian traditional medicine,with a focus on color and light to contrive an all-out balance of *** present article establishes a connection between traditional and modern medicine;it also indicates medical and health activists to draw their attention to the need for basic researches in traditional Iranian medicine to improve it based on scientific evidence as well as change the attitude of architects to design places based on people’s temperament(in traditional Persian medicine,temperament implies the same and new quality that results from the combination of the four elements(fire,air,water,and earth are four essential constituents of human and non-human beings)with each other and with their interaction in a composite body).This article is a descriptive method in a qualitative study that discuss elements of light and color from the perspective of traditional Persian medicine,after reviewing the history of color and light *** the perspective of modern research,the study additionally discusses the effect of light and color on humans,the relationship of light and color with the temperament of people,and the effect of environmental color and light on people’s ***,humans differ with regard to their characteristics and thus have different temperaments,which causes them to have different tendencies toward environmental *** data indicate the difference in the propensity of individuals to color and light according to a physical and psychological condition,and the eff

关键词： light color health architecture traditional Persian medicine

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Inventory and Geometrical Changes in Small Glaciers Covering Three Northern Patagonian Summits Using Remote Sensing and GIS Techniques

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Journal of Mountain Science 2010年第1期7卷 26-35页

作者： Alfonso Fernández José Araos Jorge Marín department of Geography Faculty of Architecture Urbanism and Geography Universidad de Concepción Centro de Estudios Avanzados en Zonas áridas (Ceaza)

In the last few decades, a large quantity of research has been performed to elucidate the current behavior of glaciers in southern Chile, especially with respect to the volumetric changes in the outlets of the Northern and Southern Patagonian Icefields （NPI and SPI, respectively）. Calculations have shown a generalized thinning and withdrawal, which greatly contributes to the increase in sea level attributed to the ice melt from non-polar glaciers. However, these icefields are surrounded by many small icecaps, which have＇yet to be studied in detail. A precise estimation of the volume of ice located in these mountain chains could provide new information with respect to this area＇s exact contribution to the increase in sea level. Thus, this study presents an inventory of relatively small Northern Patagonian glaciers in the surrounding of the three summits： Mount Queulat, and the Maca and Hudson volcanoes. The study used remote sensing techniques in a GIS environment to determine the margins, surface areas, thickness changes and hypsometry for the glaciated zones. Landsat images from different dates were analyzed using standard band ratio and screen delineation techniques. Additionally, digital elevation models from different dates were compared using map algebra, calculating thickness changes. Based on the results, we propose that there are important volumetric changes in the glaciers studied, whichcould be explained by precipitation trends in a general context, and an influence of the glaciers＇ sizes in some local response. Therefore, we suggest the exact contribution of the Patagonia to the increase in sea level corresponds to a regional pattern rather than just the behavior of a single ice field.

关键词： Glacier inventory thickness change digital elevation model morphometric measurement

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Theoretical framework of the Isfahani style: Inspiring sustainable aspects of a vernacular urban development

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Frontiers of Architectural Research 2024年第2期13卷 349-369页

作者： Hatef Jafari Sharami Seyed Jamalaldin Hosseini department of architecture and urbanism University of EyvanekeyEyvanekey 99888-35918Iran Faculty of Civil and architecture University of EyvanekeyEyvanekey 99888-35918Iran

The Isfahani style represents a method of traditional Iranian architecture and urban development that existed in the early 20th century and is regarded as a leading model in most traditional Iranian cities. It exhibits several vigorous features contributing to its recognition as a traditional approach to sustainable architecture and urban development. This research endeavors to reveal a theoretical framework beneath these inspiring aspects using the typology of sustainable modern forms, including the hierarchy, passive design strategies, compactness, density, diversity, mixed land use, pluralism, balance, good composition, and integration over time. To this end, the study employs qualitative research methods, drawing from traditional samples, to identify innovative, energy and socially efficient, and low-impact strategies implemented in this vernacular architecture of Iran's semi-arid and hot climates. The findings revealed that the neighborhood concept as a local and plural community (Mahalla) was a vital phenomenon in Iran's urban development. Apparently, the demise of this paradigm effectively played an important role in the numerous challenges regarding the social, energy, and economic viability of modern Iranian cities. Hence, this study presented theoretical frameworks—aligned with sustainable concepts—from the Isfahani style through its analysis, classification, and interpretation, which can contribute to modern urban development.

关键词： Isfahani style Vernacular urban development Sustainable urban development Iranian cities Vernacular architecture

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