کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
241897 1362712 2016 15 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Towards generation of as-damaged BIM models using laser-scanning and as-built BIM: First estimate of as-damaged locations of reinforced concrete frame members in masonry infill structures
ترجمه فارسی عنوان
به سمت نسل از مدل BIM به عنوان آسیب دیده با استفاده از اسکن لیزری و BIM به عنوان ساخته شده: برآورد اول از مکان به عنوان آسیب دیده از اعضای قاب بتن مسلح در سازه های پر سنگ تراشی
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر هوش مصنوعی
چکیده انگلیسی


• BIM can support planning of S&R and recovery operations after an earthquake.
• ‘As-damaged’ BIM reconstruction based on ‘as-built’ BIM and ‘as-damaged’ scan.
• Procedure models the displaced structural members using ‘as-built’ object data.
• Successfully demonstrated for moderately/heavily damaged concrete framed buildings.
• Generates a ‘best-guess’ for the new locations of the façade structural members.

After an earthquake, Terrestrial Laser Scanning (TLS) can capture point clouds of the damaged state of building facades rapidly, remotely and accurately. A long-term research effort aims to develop applications that can reconstruct ‘as-damaged’ BIM models of reinforced concrete (RC) framed buildings based on their ‘as-built’ BIM models and scans of their ‘as-damaged’ states. This paper focuses on a crucial step: generating an initial ‘best-guess’ for the new locations of the façade structural members. The output serves as the seed for a recursive process in which the location and damage to each object is refined in turn. Locating the ‘as-built’ structural members in the ‘as-damaged’ scan is challenging because each member may have different displacement and damage. An algorithm was developed and tested for the case of reinforced concrete frames with masonry infill walls. It exploits the topology of the frames to map the original structural grid onto the damaged façade. The tests used synthetic datasets prepared from records of two earthquake-damaged buildings. In both cases, the results were sufficiently accurate to allow progress to the following step, assessment of the individual structural members.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Advanced Engineering Informatics - Volume 30, Issue 3, August 2016, Pages 312–326
نویسندگان
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