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Seismic fragility assessment of revised MRT buildings considering typical construction changes

Rakesh DUMARU, Hugo RODRIGUES, Humberto VARUM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 241-266 doi: 10.1007/s11709-019-0560-4

Abstract: study investigates the vulnerability assessment of the prototype revised Mandatory Rule of Thumb (MRT) buildings

Keywords： mid-rise buildings     revised NBC 205: 2012     masonry infill walls     configurations of infill walls     vulnerability    

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The seismic analysis and design for the masonry buildingsin rural villages located in meizoseismal areas

Feng Yuan,Yi Dan,Bi Qiong

Strategic Study of CAE 2009, Volume 11, Issue 6,   Pages 138-145

Abstract:

Based on the characteristics of large spacing masonry buildings withfew transverse walls and theseismic hazards on teaching buildings, the authors analyzed the effects ofconstructional columns and ring beams to the seismic resistance of buildings and presented the conceptof improving ductility of buildings.Some suggestions were then proposed for the design of this type

Keywords： large spacing masonry buildings with few transverse walls     constructional columns     ring beams     ductility    

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Artificial Neural Networks to estimate seismic damage and derive vulnerability functions for traditional masonry

Tiago Miguel FERREIRA, João ESTÊVÃO, Rui MAIO, Romeu VICENTE

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 609-622 doi: 10.1007/s11709-020-0623-6

Abstract: This paper discusses the adoption of Artificial Intelligence-based techniques to estimate seismic damage, not with the goal of replacing existing approaches, but as a mean to improve the precision of empirical methods. For such, damage data collected in the aftermath of the 1998 Azores earthquake (Portugal) is used to develop a comparative analysis between damage grades obtained resorting to a classic damage formulation and an innovative approach based on Artificial Neural Networks (ANNs). The analysis is carried out on the basis of a vulnerability index computed with a hybrid seismic vulnerability assessment methodology, which is subsequently used as input to both approaches. The results obtained are then compared with real post-earthquake damage observation and critically discussed taking into account the level of adjustment achieved by each approach. Finally, a computer routine that uses the ANN as an approximation function is developed and applied to derive a new vulnerability curve expression. In general terms, the ANN developed in this study allowed to obtain much better approximations than those achieved with the original vulnerability approach, which has revealed to be quite non-conservative. Similarly, the proposed vulnerability curve expression was found to provide a more accurate damage prediction than the traditional analytical expressions.

Keywords： Artificial Neural Networks     seismic vulnerability     masonry buildings     damage estimation     vulnerability curves    

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Confined masonry as practical seismic construction alternative–the experience from the 2014 Cephalonia

Fillitsa KARANTONI, Stavroula PANTAZOPOULOU, Athanasios GANAS

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 270-290 doi: 10.1007/s11709-017-0390-1

Abstract: almost the entire building stock of the Island which consisted primarily of traditional unreinforced masonryof the building stock, using a structural system that is most like what is known today as confined masonryThese buildings are known as “Arogi” buildings (Arogi in Greek meaning Aid).Surprisingly, no damage was reported in the “Arogi” buildings.The seismic behavior of the buildings is examined by FEM linear analysis and it is compared to that of

Keywords： Cephalonia     confined masonry     comparative FEM analysis     unreinforced masonry     seismic damage    

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Experimental study on the compressive performance of new sandwich masonry walls

Jianzhuang XIAO, Jie PU, Yongzhong HU

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 154-163 doi: 10.1007/s11709-013-0203-0

Abstract: Sandwich masonry wall, namely, multi-leaf masonry wall, is widely applied as energy-saving wall sinceinvestigate the mechanical behavior, especially the compressive performance. 3 new types of sandwich masonrythe compression tests of 13 specimens, except for some damage patterns similar with the conventional masonrycompression capacity and the theoretical one which was calculated according to the Chinese Code for Design of Masonrycapacity, and then a formula was proposed to evaluate the design compression capacity of the new sandwich masonry

Keywords： sandwich wall     insulation wall     connection     compressive performance     compression test    

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Mechanical properties characterization of different types of masonry infill walls

André FURTADO, Hugo RODRIGUES, António ARÊDE, Humberto VARUM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 411-434 doi: 10.1007/s11709-019-0602-y

Abstract: paper is to present an extensive experimental campaign of mechanical characterization tests of infill masonrywalls made with three different types of masonry units: lightweight vertical hollow concrete blocks

Keywords： masonry infill walls     experimental characterization     compression strength     shear diagonal strength     flexural    

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Seismic safety evaluation methodology for masonry building and retrofitting using splint and bandage

Pravin Kumar Venkat Rao PADALU; Yogendra SINGH

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 478-505 doi: 10.1007/s11709-022-0817-1

Abstract: The paper presents a seismic safety assessment of unreinforced masonry (URM) building using two approaches, the retrofitting design methodology and recommendations for application procedures to on-site URM buildings

Keywords： unreinforced masonry     seismic in-plane and out-of-plane forces     pier analysis     finite element modelling    

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Performance-based seismic assessment of a historical masonry arch bridge: Effect of pulse-like excitations

Frontiers of Structural and Civil Engineering   Pages 855-869 doi: 10.1007/s11709-023-0972-z

Abstract: Seismic analysis of historical masonry bridges is important for authorities in all countries hostingThe masonry arch bridge investigated in this study was built during the Roman period and is on the island

Keywords： masonry arch bridges     seismic behavior     modal properties     pulse-like records     nonlinear time history    

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Predicting resilient modulus of recycled concrete and clay masonry blends for pavement applications using

Mosbeh R. KALOOP, Alaa R. GABR, Sherif M. EL-BADAWY, Ali ARISHA, Sayed SHWALLY, Jong WAN HU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1379-1392 doi: 10.1007/s11709-019-0562-2

Abstract: Blends of Recycled Concrete Aggregate (RCA) with Recycled Clay Masonry (RCM) with proportions of 100/

Keywords： Vector Machine     Artificial Neural Network     resilient modulus     Recycled Concrete Aggregate     Recycled Clay Masonry    

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Analysis of energy saving optimization of campus buildings based on energy simulation

Dingding TONG, Jing ZHAO

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 388-398 doi: 10.1007/s11708-013-0273-7

Abstract: The energy consumption of campus buildings has specific characteristics, because of the concentratedThe traditional energy system design and operation for campus buildings is only based on the constantin China, not taking into consideration the real heating or cooling load characteristics of campus buildingsset different set-point temperatures in different operation stages of public and residential campus buildings

Keywords： campus buildings     set-point temperature     energy simulation     energy saving optimization    

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Heat prices for public buildings in Tianjin

Boyuan HAO,Zhe TIAN,Yan DING,Peng PENG

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 249-259 doi: 10.1007/s11708-016-0412-z

Abstract: awareness of heat users and heating enterprises can be stimulated by implementing heat metering for public buildingsIn this paper, a two-part heat price for public buildings in Tianjin is introduced, which divides theanalysis of information collected from two pilot heating enterprises, the specific heat load for public buildingsFinally, the two-part heat price for public buildings in Tianjin is determined: the basic heat priceSuch a price could be implemented in the initial stage of heat metering for public buildings in Tianjin

Keywords： heat metering     public buildings     two-part heat price     specific heat load    

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Design and control optimization of energy systems of smart buildings today and in the near future

Shengwei WANG, Wenjie GANG

Frontiers of Engineering Management 2017, Volume 4, Issue 1,   Pages 58-66 doi: 10.15302/J-FEM-2017005

Abstract: Buildings contribute to a major part of energy consumption in urban areas, especially in areas like HongKong which is full of high-rise buildings.Smart buildings with high efficiency can reduce the energy consumption largely and help achieve greenapproach to improve the energy efficiency of building energy systems and promote the development of smart buildings

Keywords： Design optimization     Optimal control     Smart building     Energy efficiency    

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Comprehensive review of modeling, structure, and integration techniques of smart buildings in the cyber-physical-social

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 74-94 doi: 10.1007/s11708-021-0792-6

Abstract: Smart buildings have been proven to be a kind of flexible demand response resources in the power systemIn this paper, a brief comprehensive survey of the modeling, controlling, and operation of smart buildingssmart building operation structure is proposed, and the integration techniques for the group of smart buildingsMoreover, available business models for aggregating the smart buildings are discussed.Furthermore, the required advanced technologies for well-developed smart buildings are outlined.

Keywords： smart buildings     cyber-physical-social-system     optimization     modeling     demand response     virtual power    

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Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1131-1151 doi: 10.1007/s11709-020-0660-1

Abstract: presents a developed meta-heuristic algorithm to optimize the shear walls of tall reinforced concrete buildingsSince the design of the lateral system plays a major role in the performance of the tall buildings, this

Keywords： Quantum Charged System Search     shear wall     layout optimization     tall buildings    

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Survey and analysis of energy consumption in office buildings in Tianjin

Junlong LI, Huan ZHANG, Shijun YOU, Zhenhui XIE

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 69-74 doi: 10.1007/s11708-012-0221-y

Abstract: An energy audit of 24 office buildings was conducted in Tianjin, including basic information of buildingsThe investigation results showed that the average intensity of energy consumption in office buildings

Keywords： office building     energy consumption intensity     energy consumption breakdown     energy saving measures    

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Title Author Date Type Operation

Seismic fragility assessment of revised MRT buildings considering typical construction changes

Rakesh DUMARU, Hugo RODRIGUES, Humberto VARUM

Journal Article

The seismic analysis and design for the masonry buildingsin rural villages located in meizoseismal areas

Feng Yuan,Yi Dan,Bi Qiong

Journal Article

Artificial Neural Networks to estimate seismic damage and derive vulnerability functions for traditional masonry

Tiago Miguel FERREIRA, João ESTÊVÃO, Rui MAIO, Romeu VICENTE

Journal Article

Confined masonry as practical seismic construction alternative–the experience from the 2014 Cephalonia

Fillitsa KARANTONI, Stavroula PANTAZOPOULOU, Athanasios GANAS

Journal Article

Experimental study on the compressive performance of new sandwich masonry walls

Jianzhuang XIAO, Jie PU, Yongzhong HU

Journal Article

Mechanical properties characterization of different types of masonry infill walls

André FURTADO, Hugo RODRIGUES, António ARÊDE, Humberto VARUM

Journal Article

Seismic safety evaluation methodology for masonry building and retrofitting using splint and bandage

Pravin Kumar Venkat Rao PADALU; Yogendra SINGH

Journal Article

Performance-based seismic assessment of a historical masonry arch bridge: Effect of pulse-like excitations

Journal Article

Predicting resilient modulus of recycled concrete and clay masonry blends for pavement applications using

Mosbeh R. KALOOP, Alaa R. GABR, Sherif M. EL-BADAWY, Ali ARISHA, Sayed SHWALLY, Jong WAN HU

Journal Article

Analysis of energy saving optimization of campus buildings based on energy simulation

Dingding TONG, Jing ZHAO

Journal Article

Heat prices for public buildings in Tianjin

Boyuan HAO,Zhe TIAN,Yan DING,Peng PENG

Journal Article

Design and control optimization of energy systems of smart buildings today and in the near future

Shengwei WANG, Wenjie GANG

Journal Article

Comprehensive review of modeling, structure, and integration techniques of smart buildings in the cyber-physical-social

Journal Article

Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Journal Article

Survey and analysis of energy consumption in office buildings in Tianjin

Junlong LI, Huan ZHANG, Shijun YOU, Zhenhui XIE

Journal Article