基于多源证据与可信度分级的建筑遗产改易研究OA

As a representative works of Yang Tingbao's modern water transportation architecture,the Office of China Merchants Steamship Navigation Company in Nanjing carries important heritage value through its historical alteration trajectory and style evolution.Aiming at the research dilemma of contradictory multi-source data and ambiguous historical information of this building,this paper follows the theoretical frameworks of the London Charter and critical digital modelling.By integrating documentary drawings,renovation records,image materials and field investigations,it adopts the research methods of credibility grading evaluation,multi-source evidence mutual verification and comparative analysis.From three core dimensions of column grid structure,facade form and roof type,this paper systematically restores the complete alteration process of the building from the scheme design in 1946 to the renovation in 2013.The research constructs a research path for architectural heritage alteration featuring"data collection-grading evaluation-contradiction verification-alteration deduction-result visualization",which provides methodological reference for the study on similar architectural heritages with complex multi-source data.