Investigation of seismic performance of buildings with STRP （scrap tire rubber pad） seismic isolators by means of pseudo-dynamic tests and numerical simulation is presented. The isolated building is numerically mode...Investigation of seismic performance of buildings with STRP （scrap tire rubber pad） seismic isolators by means of pseudo-dynamic tests and numerical simulation is presented. The isolated building is numerically modeled, while the base isolation layer is considered as the experimental substructure in the pseudo-dynamic tests. The test result verifies that the STRP isolator shows acceptable shear deformation performance predicted by the design methods, and demonstrated that seismic isolation using STRP works as a protective measure to provide enhanced seismic performance of the building indicated by the reduction of top floor absolute acceleration, drift and base shear as designated.展开更多
This paper is divided into two parts： a reflection about the diachronical and dialectical relationship between the ＂Art of Construction＂ and the ＂Building Science＂, in terms of capability to evaluate structural c...This paper is divided into two parts： a reflection about the diachronical and dialectical relationship between the ＂Art of Construction＂ and the ＂Building Science＂, in terms of capability to evaluate structural characteristics and conservative conditions of traditional buildings, especially for buildings of historical or artistic value, using a peculiar approach for planning modem construction （Building Science） or the ancient complex of rules and logics to which a specific building monumental pertains （Art of Construction）. The second part reports a case study of application of this second methodology of approach, concerning the St. Mary＇s Church of the Immaculate Conception of Montecalvario in Naples, an important monumental church situated into the historic centre of Naples, built between 1718 and 1726 by one of the greatest Italian architects of the XVIII century, Domenico Antonio Vaccaro. The building, that presents all the structural and lexical peculiarities of Neapolitan Baroque （central plan, altimetric development of concentric volumes, plastic virtuosity of structural and formal apparatuses）, finds in its formal conception and in its stylistic conception part of its structural vulnerabilities. The study examines the understanding of cracks affecting the Church, also in relation to around historic buildings, in order to determine a diagnosis and to understand how this condition of structural vulnerability could be combined with future seismic strain, having high local seismicity and damages suffered during the earthquakes of the last three centuries.展开更多
As the demand for high-performance housing grows, so does the need for improvements in building science education. Trial and error has long been the method for learning how to avoid problems in the construction of ene...As the demand for high-performance housing grows, so does the need for improvements in building science education. Trial and error has long been the method for learning how to avoid problems in the construction of energy-efficient housing, including water intrusion and mold growth. Building codes have addressed these issues in prescriptive ways that were not evidence-based. Stricter building codes or builder licensing requirements are not necessarily the solutions to problems associated with misunderstandings about building science. Motivating professionals currently involved in the housing industry to learn through continuing education is a start, but the core problem must be addressed by including building science education in curricula related to architecture, engineering, construction management and other fields. The long-term solution is to include building science education in academic construction management programs. The purpose of this paper is to review the history of what has come to be known as building science and its importance to the residential construction industry. Problems that result from a lack of knowledge about the field are covered and a potential solution is proposed.展开更多
The buildings construction safety problems contain various safety-hidden dangers that caused by the human unsafe behaviors, the substance unsafe conditions, operation environment unsafe factors and management defects....The buildings construction safety problems contain various safety-hidden dangers that caused by the human unsafe behaviors, the substance unsafe conditions, operation environment unsafe factors and management defects. The authors summarize comprehensively the problems of buildings construetion safety in China at present based on grasping the whole safety status of buildings construction, and the synthetic countermeasures including the systems about laws, management, technology and education civilization for buildings construction safety management are brought up based on the viewpoint of safety system theory. Then it is thought that huilding scientific management mechanisms and popularizing effective management methods and measures are the fundamental ways for improving further the level of safety management for buildings construction in China at present.展开更多
AR （augmented reality） is a technology that adds information to the real world adding virtual elements to its visualization in real time. AR used in AECO （architectural, engineering, construction and operations） c...AR （augmented reality） is a technology that adds information to the real world adding virtual elements to its visualization in real time. AR used in AECO （architectural, engineering, construction and operations） can contribute in augmenting visualization during design, construction and operation of the buildings. This article presents a study that applies AR to building assessment with BIM （building information） model visualization. The use of AR on existing applications for smart phones and tablets is validated. AR proposed an adaptation of the method of POE （post-occupancy evaluation） subsidized. Traditional POE process model involves three phases： planning, conducting and applying. In order to incorporate AR, it is proposed a total restructuring of the planning phase, developing the research instruments in three steps： 3D modeling, model treatment and AR application development. It was observed that for POE studies, the 3D models are in large scale and need to be detailed for precise comparison. BIM models for facility management, representing building use situation, are of the highest level of detail. A balanced point between simplicity and representativeness was the solution adopted in this experiment for uploading and downloading performance issues. This article presents and discusses findings for the new proposition for the activity of research instruments development for the planning phase of POE with AR as well as initial tests with first results and difficulties faced.展开更多
This paper work aims to response the request for immediate intervention of cultural heritage preservation in Kosovo, with the aim of protection against the harmful consequences of insufficient knowledge leading to a m...This paper work aims to response the request for immediate intervention of cultural heritage preservation in Kosovo, with the aim of protection against the harmful consequences of insufficient knowledge leading to a misuse of technology and to ill-considered approaches. The DGT （dwelling-garret type） is an important vernacular study case. The DGT is a historic building of 18th century, located in the core of Lebusha Village, Municipality of Peja, an architectural construction characterized by two concentric volumes at rectangular layout, very dynamic at horizontal composition, obtained by the movement of two differently constructional materials volumes, stone masonry and timber assembly, and covered with roof clay tiles. In view of its esthetic and artistic values, its important role at developing chain of Kosovo＇s rural dwellings typology, and its method of construction, the building should be listed as a monument under state protection. Hence, immediate protection interventions, such as conservation of wooden and stone envelope, improvement of walls and finish works, and drainage infrastructure, are considered as the minimum requirement.展开更多
At the base of the reflection developed in this research work, there is the concept of habitat as a system, as an articulated ＂whole＂ that cannot be explained with the simple sum of its parts. The concept of habitat...At the base of the reflection developed in this research work, there is the concept of habitat as a system, as an articulated ＂whole＂ that cannot be explained with the simple sum of its parts. The concept of habitat, in fact, implies issues of dialectic spaces, in other words, those settings that can be defined as relational subsystems within the urban/domestic scale. This essay has its roots in the CIAM （Congr^s International d＇Architecture Moderne （in English： International Congress of Modem Architecture）） of 1953, during which the complementarity of the outside space next to the dwelling and its relevance within the project discipline, have been affirmed. In particular, assimilating the lesson of Aldo van Eyck, this work investigates the deepest issues of the concept of threshold. The analysis makes use of the work-tools of critical reading and comparison between urban and rural habitats, with different density levels, whose relational fabrics have been layering over time permeable ＂thicknesses＂ which articulate complex threshold spatial configurations.展开更多
This work focuses on the development of local building materials in Benin for their efficient use in buildings. It aims to make mud bricks lightened with good mechanical, thermal and sound properties and enhance the w...This work focuses on the development of local building materials in Benin for their efficient use in buildings. It aims to make mud bricks lightened with good mechanical, thermal and sound properties and enhance the waste polystyrene. This article is the result of experimental work on a broad field of applied sciences： building mechanics. The study is focused on BTS （blocks of stabilized earth） chosen as reference materials to which we linked polystyrene. The percentage of polystyrene varies from 0% to 100% starting from a constant volume of each reference material. The results showed that the increase in polystyrene percentage lowers mechanical properties. These results also showed that the gradual addition of polystyrene to the laterite-cement mixture has a significant influence on the density and mechanical resistances of the final composite material.展开更多
文摘Investigation of seismic performance of buildings with STRP （scrap tire rubber pad） seismic isolators by means of pseudo-dynamic tests and numerical simulation is presented. The isolated building is numerically modeled, while the base isolation layer is considered as the experimental substructure in the pseudo-dynamic tests. The test result verifies that the STRP isolator shows acceptable shear deformation performance predicted by the design methods, and demonstrated that seismic isolation using STRP works as a protective measure to provide enhanced seismic performance of the building indicated by the reduction of top floor absolute acceleration, drift and base shear as designated.
文摘This paper is divided into two parts： a reflection about the diachronical and dialectical relationship between the ＂Art of Construction＂ and the ＂Building Science＂, in terms of capability to evaluate structural characteristics and conservative conditions of traditional buildings, especially for buildings of historical or artistic value, using a peculiar approach for planning modem construction （Building Science） or the ancient complex of rules and logics to which a specific building monumental pertains （Art of Construction）. The second part reports a case study of application of this second methodology of approach, concerning the St. Mary＇s Church of the Immaculate Conception of Montecalvario in Naples, an important monumental church situated into the historic centre of Naples, built between 1718 and 1726 by one of the greatest Italian architects of the XVIII century, Domenico Antonio Vaccaro. The building, that presents all the structural and lexical peculiarities of Neapolitan Baroque （central plan, altimetric development of concentric volumes, plastic virtuosity of structural and formal apparatuses）, finds in its formal conception and in its stylistic conception part of its structural vulnerabilities. The study examines the understanding of cracks affecting the Church, also in relation to around historic buildings, in order to determine a diagnosis and to understand how this condition of structural vulnerability could be combined with future seismic strain, having high local seismicity and damages suffered during the earthquakes of the last three centuries.
文摘As the demand for high-performance housing grows, so does the need for improvements in building science education. Trial and error has long been the method for learning how to avoid problems in the construction of energy-efficient housing, including water intrusion and mold growth. Building codes have addressed these issues in prescriptive ways that were not evidence-based. Stricter building codes or builder licensing requirements are not necessarily the solutions to problems associated with misunderstandings about building science. Motivating professionals currently involved in the housing industry to learn through continuing education is a start, but the core problem must be addressed by including building science education in curricula related to architecture, engineering, construction management and other fields. The long-term solution is to include building science education in academic construction management programs. The purpose of this paper is to review the history of what has come to be known as building science and its importance to the residential construction industry. Problems that result from a lack of knowledge about the field are covered and a potential solution is proposed.
基金A Project Supported by Scientific Research Fund of Hunan Provincial Education Department(06C309)
文摘The buildings construction safety problems contain various safety-hidden dangers that caused by the human unsafe behaviors, the substance unsafe conditions, operation environment unsafe factors and management defects. The authors summarize comprehensively the problems of buildings construetion safety in China at present based on grasping the whole safety status of buildings construction, and the synthetic countermeasures including the systems about laws, management, technology and education civilization for buildings construction safety management are brought up based on the viewpoint of safety system theory. Then it is thought that huilding scientific management mechanisms and popularizing effective management methods and measures are the fundamental ways for improving further the level of safety management for buildings construction in China at present.
文摘AR （augmented reality） is a technology that adds information to the real world adding virtual elements to its visualization in real time. AR used in AECO （architectural, engineering, construction and operations） can contribute in augmenting visualization during design, construction and operation of the buildings. This article presents a study that applies AR to building assessment with BIM （building information） model visualization. The use of AR on existing applications for smart phones and tablets is validated. AR proposed an adaptation of the method of POE （post-occupancy evaluation） subsidized. Traditional POE process model involves three phases： planning, conducting and applying. In order to incorporate AR, it is proposed a total restructuring of the planning phase, developing the research instruments in three steps： 3D modeling, model treatment and AR application development. It was observed that for POE studies, the 3D models are in large scale and need to be detailed for precise comparison. BIM models for facility management, representing building use situation, are of the highest level of detail. A balanced point between simplicity and representativeness was the solution adopted in this experiment for uploading and downloading performance issues. This article presents and discusses findings for the new proposition for the activity of research instruments development for the planning phase of POE with AR as well as initial tests with first results and difficulties faced.
文摘This paper work aims to response the request for immediate intervention of cultural heritage preservation in Kosovo, with the aim of protection against the harmful consequences of insufficient knowledge leading to a misuse of technology and to ill-considered approaches. The DGT （dwelling-garret type） is an important vernacular study case. The DGT is a historic building of 18th century, located in the core of Lebusha Village, Municipality of Peja, an architectural construction characterized by two concentric volumes at rectangular layout, very dynamic at horizontal composition, obtained by the movement of two differently constructional materials volumes, stone masonry and timber assembly, and covered with roof clay tiles. In view of its esthetic and artistic values, its important role at developing chain of Kosovo＇s rural dwellings typology, and its method of construction, the building should be listed as a monument under state protection. Hence, immediate protection interventions, such as conservation of wooden and stone envelope, improvement of walls and finish works, and drainage infrastructure, are considered as the minimum requirement.
文摘At the base of the reflection developed in this research work, there is the concept of habitat as a system, as an articulated ＂whole＂ that cannot be explained with the simple sum of its parts. The concept of habitat, in fact, implies issues of dialectic spaces, in other words, those settings that can be defined as relational subsystems within the urban/domestic scale. This essay has its roots in the CIAM （Congr^s International d＇Architecture Moderne （in English： International Congress of Modem Architecture）） of 1953, during which the complementarity of the outside space next to the dwelling and its relevance within the project discipline, have been affirmed. In particular, assimilating the lesson of Aldo van Eyck, this work investigates the deepest issues of the concept of threshold. The analysis makes use of the work-tools of critical reading and comparison between urban and rural habitats, with different density levels, whose relational fabrics have been layering over time permeable ＂thicknesses＂ which articulate complex threshold spatial configurations.
文摘This work focuses on the development of local building materials in Benin for their efficient use in buildings. It aims to make mud bricks lightened with good mechanical, thermal and sound properties and enhance the waste polystyrene. This article is the result of experimental work on a broad field of applied sciences： building mechanics. The study is focused on BTS （blocks of stabilized earth） chosen as reference materials to which we linked polystyrene. The percentage of polystyrene varies from 0% to 100% starting from a constant volume of each reference material. The results showed that the increase in polystyrene percentage lowers mechanical properties. These results also showed that the gradual addition of polystyrene to the laterite-cement mixture has a significant influence on the density and mechanical resistances of the final composite material.
