Research approaches that complement historical contextualization of buildings with the creation of 3D models result in data-rich visualizations that represent built projects holistically rather than just as static drawings or collections of components, thus generating new avenues for the documentation and analysis of historic structures. Using Historic Building Information Modeling (HBIM) to derive basic data on materials and quantities not only documents existing conditions but uncovers new information as the model becomes a receptacle for the historical, analytical, and physical property data. Paired with a point cloud model, HBIM works as well for as-built discovery as it does as a tool for design and construction due to the inclusion in models of attribute data important to the study and maintenance of historically significant buildings and monuments. As a result, HBIM is an increasingly popular tool in cultural heritage communities for its application to historic preservation. These digital techniques make the large amounts of data collected in research on historic buildings readable to information systems, increasing the value of the data. The research workflow described in this paper includes the capture and digitization of existing buildings in their as-built condition through 3D laser scanning, modeling in 3D, and the identification and quantification of building materials. Applying this approach to simple concrete bungalow structures built during 1935–36 in the upper Florida Keys reveals that even in a case where project elements are not complex, documenting as-built conditions helps reveal information about the delivery of the project that will be relevant to their preservation. This study expands on previous research by the author relating to the construction of historic concrete houses in Florida and on the logistical and organizational background of the building effort.

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HBIM for Historic Concrete Buildings: Benefits of Documentation and Analysis for Historic Preservation

  • Anne Marie Sowder,
  • Raja R. A. Issa

摘要

Research approaches that complement historical contextualization of buildings with the creation of 3D models result in data-rich visualizations that represent built projects holistically rather than just as static drawings or collections of components, thus generating new avenues for the documentation and analysis of historic structures. Using Historic Building Information Modeling (HBIM) to derive basic data on materials and quantities not only documents existing conditions but uncovers new information as the model becomes a receptacle for the historical, analytical, and physical property data. Paired with a point cloud model, HBIM works as well for as-built discovery as it does as a tool for design and construction due to the inclusion in models of attribute data important to the study and maintenance of historically significant buildings and monuments. As a result, HBIM is an increasingly popular tool in cultural heritage communities for its application to historic preservation. These digital techniques make the large amounts of data collected in research on historic buildings readable to information systems, increasing the value of the data. The research workflow described in this paper includes the capture and digitization of existing buildings in their as-built condition through 3D laser scanning, modeling in 3D, and the identification and quantification of building materials. Applying this approach to simple concrete bungalow structures built during 1935–36 in the upper Florida Keys reveals that even in a case where project elements are not complex, documenting as-built conditions helps reveal information about the delivery of the project that will be relevant to their preservation. This study expands on previous research by the author relating to the construction of historic concrete houses in Florida and on the logistical and organizational background of the building effort.