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Architectural survey of historical buildings:The orders of classical architecture in the Baptistery of Florence

Frontiers of Architectural Research 2021年第1期10卷 117-133页

作者： Jorge Romero School of Architecture Pontifical Catholic University of Ecuador(Iborro Headquarters)IbarraEcuador School of Architecture UIDE Universidad Internacional Del Ecuador(Quito Headquarters)QuitoEcuador

The survey of historic buildings is very important for architectural *** integral survey allows perpetuating the building historical memory,deciphering it for future generations,and recovering it in case of accidental *** Baptistery of Florence survey was done with four measuring methods:the"direct"one,which employs traditional measuring tools;the"indirect"one,which expedites the dimension-gathering process with more preci-sion;and the"photogrammetric"one,which uses snapshots to facilitate the representation process with *** innova tive measuring concept,known here as the"recovery sur-vey",synthetizes graphical reality so that irregularities--due to the project materialization and deterioration over time-disappear;therefore,retrieving the building original ***-umns with their bases,shafts and capitals,as well as entablatures with their architraves,friezes and cornices were under *** three Greek orders(Doric,lonic and Corinthian)together with the two roman orders(Tuscan and Composite)unveiled the classical architecture *** constituents,which reoccur inside and outside the baptistery,were measured as part of these holistic survey and recovery process,to achieve the objective of this research study:the recording of this world historical building through an integral survey and rilievo to decode its significance and symbolism.

关键词： Architectural survey Recovery rilievo photogrammetric survey Architectural conservation Classical architecture orders Architectural symbolism

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Prediction accuracy of reservoir break flood simulation model using finite volume method and UAV

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International Journal of Agricultural and Biological Engineering 2020年第6期13卷 7-15页

作者： Jeongbae Jeon Won Choi Spatial Information Research Institute Korea Land and Geospatial Infomatix CorporationKorea Land and Geospatial Infomatix CorporationJeollabuk-doSouth Korea Department of Rural Systems Engineering Global Smart Farm Convergence MajorResearch Institute of Agriculture and Life SciencesSeoul National UniversitySeoul 08826South Korea

Methods for producing high-resolution digital topographic maps using an unmanned aerial vehicle(UAV),and 3D fluid dynamics simulation to estimate the flooded areas caused by a collapsed reservoir,were proposed in this *** UAV flight path for photographing damaged areas was divided into two sections considering the drone flight time and overlapping range of the images in the x-and *** metadata taken by the drone were transferred into world coordinates by tracking the key features of the photographs of nearby areas using a 3D rotation *** point cloud data with a 3D space were extracted from the registered images,and a digital surface map(DSM)was produced using a point cloud classification geometric mapping *** amend the serious elevation errors caused by natural or artificial obstacles,a kriging interpolation method was used to reproduce the DSM.A transient computational simulation that considers both the complex geometric topology and hydrodynamic energy of flowing water was conducted using FLOW-3D software to deal with an renormalization group(RNG)turbulence *** flooded areas calculated through visual reading using images taken by the UAV were compared with the 3D simulation results for *** flooded areas estimated through the simulation were approximately 18.3%larger than those found by visual *** flows were mainly observed in obstacles or curved areas of the stream,and the differences in the water depth could be further ***,the villagers confirmed that the flooded areas were much greater than what was seen through the visual ***,the combination of UAV surveying and the 3D simulation method based on the RNG turbulence model is recommended to accurately estimate flooded areas,and it will support an administrative policy aimed at minimizing the economic costs of damage caused by future reservoir collapses.

关键词： reservoir failure flooded area finite volume method unmanned aerial vehicle photogrammetric survey digital surface model

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