Study on a How to Preservation, Management and Practical Use of the Material and Immaterial Historical Records in Civil Engineering

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This, study tried to make a survey firstly of historical, records in civil engineering. The modern civil engineering heritages have already made a survey and an estimate by Japan Society of Civil Engineers. On the other side, for these a correct estimate we need to study of material and immaterial historical records in civil engineering.At the result of this study we could clear as follows.Firstly, we grasped an outline of material and immaterial historical records in civil engineering. Secondly, we proposed how to approach of these studies. Thirdly, we proposed hqwrfo preservation and management of their historical records, and made manual for these work. Finally, we proposed theirs way of thinking to practical use from this study.