{"title":"Formwork detection in UAV pictures of construction sites","authors":"K. Jahr, A. Braun, A. Borrmann","doi":"10.1201/9780429506215-33","DOIUrl":"https://doi.org/10.1201/9780429506215-33","url":null,"abstract":"The monitoring of the construction progress is an essential task on construction sites, which nowadays is conducted mostly by hand. Recent image processing techniques provide a promising approach for reducing manual labor on site. While modern machine learning algorithms such as convolutional neural networks have proven to be of sublime value in other application fields, they are widely neglected by the CAE industry so far. In this paper, we propose a strategy to set up a machine learning routine to detect construction elements on UAV photographs of construction sites. In an accompanying case study using 750 photographs containing nearly 10.000 formwork elements, we reached accuracies of 90% when classifying single object images and 40% when locating formwork on multi-object images. telligence approach to recognize and locate construction elements on site. In the first part of the paper, we give an overview of the state of the art in image analysis as used on construction sites today, followed by a further description of the used methodology. We conclude the paper with a proof of concept and a summary of our results.","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":" 1192","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120827797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A graph-based approach for management and linking of BIM models with further AEC domain models","authors":"Ali Ismail, R. Scherer","doi":"10.1201/9780429506215-47","DOIUrl":"https://doi.org/10.1201/9780429506215-47","url":null,"abstract":"","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":"311 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124427392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"BIM model methods for suppliers in the building process","authors":"A. Barbero, M. Del Giudice, F. Manzone","doi":"10.1201/9780429506215-36","DOIUrl":"https://doi.org/10.1201/9780429506215-36","url":null,"abstract":"","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117125949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Design-to-design exchange of bridge models using IFC: A case study with Revit and Allplan","authors":"M. Trzeciak, A. Borrmann","doi":"10.1201/9780429506215-29","DOIUrl":"https://doi.org/10.1201/9780429506215-29","url":null,"abstract":"This paper presents a case study of exchanging bridge models between two commercial modeling applications using the vendor-neutral format Industry Foundation Classes (IFC). Particular emphasis is put on investigating the modifiability of the received geometry, a major aspect of design-to-design exchange scenario. The case study is based on two BIM models of a bridge at two different design stages provided by professional engineering consultancies. The paper describes the current IFC configuration options in the analyzed BIM design tools and the related mapping mechanisms. Next, the executed case study is presented, including the preparation of the BIM models for exchange, configuration of the IFC interfaces and mappings, and recognized geometric modifiability cases of imported building elements. Due to lacking support, the IFC 4 Design Transfer View cannot be used, yet. However, in the Revit-to-Allplan design-to-design exchange scenario, the IFC 2x3 Coordination View 2.0 serves as a suitable fallback solution. On the other hand, the exchange in the opposite direction (Allplan-to-Revit) does not seem viable for now. In both cases, the coordination scenario using the coordination views IFC 2x3 CV 2.0 is realistic, resulting however in limited modifiability of the received geometry. and Allplan was performed, focusing on the modifiability of geometry after the exchange of professional BIM models. To this end, models were exchanged in both directions. Additionally, IFC configuration options of these BIM design applications and the related mapping mechanisms have been analyzed in detail. The insights gained are documented in this paper. 1.3 Structure of the paper This paper is organized as follows. Section 2 provides background including the latest advances in IFC in the context of infrastructure projects, geometry, exchange scenarios, and Model View Definitions. Section 3 discusses the current state of the IFC configuration options of the analyzed BIM design tools and the related mapping mechanisms. Section 4 presents the executed case study, including the preparation of the BIM models, configuration of the IFC export and import functions and mappings, recognized geometric modifiability cases and the results. Finally, Section 5 discusses the presented results.","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116215738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Towards level 3 BIM process maps with IFC & XES process mining","authors":"S. Kouhestani, M. Nik-Bakht","doi":"10.1201/9780429506215-14","DOIUrl":"https://doi.org/10.1201/9780429506215-14","url":null,"abstract":"","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131279522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Building Information Modelling (BIM) value realisation framework for asset owners","authors":"M. Munir, A. Kiviniemi, Stephen Jones","doi":"10.1201/9780429506215-39","DOIUrl":"https://doi.org/10.1201/9780429506215-39","url":null,"abstract":"","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132036108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fast track BIM integration for structural fire design of steel elements","authors":"L. Beltrani, L. Giuliani, J. Karlshøj","doi":"10.1201/9780429506215","DOIUrl":"https://doi.org/10.1201/9780429506215","url":null,"abstract":"(28/10/2019) Fast track BIM integration for structural fire design of steel elements By allowing a greater inter-connection between design phases, BIM software is an essential tool for decreasing costs and delivery time of building projects, as well as increasing productivity and quality. However, a major hindering in a widespread use of BIM consists in the difficulty of efficiently exporting selected building information to third-parties tool for other engineering applications. This work aims at developing a dynamo script for an efficient information exchange between BIM and a sectional analysis tool for fire design called SteFi. The script resorts an algorithm capable of identifying most common steel profiles and exporting both the geometrical and mechanical properties of the element into a file that is then passed to SteFi, The results of the structural analysis are found in an output file and imported back into Revit. The developed script works both by direct selection of elements in the Revit model and from the IFC file.","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125685314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Semantic BIM reasoner for the verification of IFC Models","authors":"M. Fahad, N. Bus, B. Fiés","doi":"10.1201/9780429506215-45","DOIUrl":"https://doi.org/10.1201/9780429506215-45","url":null,"abstract":": Recent years have witnessed the development of various techniques and tools for the building code-compliance of IFC models. Indeed these are great efforts, but, still there is a gap for the fully automatic building code-compliance. This paper presents our research and development of Semantic BIM Reasoner (SBIM-Reasoner) which employs semantic technologies to meet the requirements of semantic verification of an IFC model. SBIM-Reasoner employs several preprocessors (IFC to RDF converter, Geometry Extractor) to build the semantic repository from the input IFC model. Once all the triples are generated from the initial data (.ifc file), Stardog is used to build a knowledge graph for the semantic verification. All types of inference and reasoning mechanisms for the semantic verification are applied over this knowledge graph to meet the requirements of verification. Knowledge graph over triplets enables freedom of extending RDF based Semantic IFC model, creation of newer vocabulary and formation of newer rules, concatenation of triplets to build rules with condition and constraints over IFC data, dynamic reasoning over the triplets based on the initial data of IFC model, etc. Finally, we tested our prototype by using several online IFC models. We conclude that semantic technologies provide more rich mechanisms and answer vast types of queries for the verification of IFC models. It provides powerful features based on SPARQL libraries and serves best for the automated code compliance and verification of IFC models.","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126477397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Multi-objective optimization design approach for green building retrofit based on BIM and BPS in the cold region of China","authors":"Hongwei Yang, Conghong Liu","doi":"10.1201/9780429506215-12","DOIUrl":"https://doi.org/10.1201/9780429506215-12","url":null,"abstract":"","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116657999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A specialized information schema for production planning and control of road construction","authors":"Eran Haronian, R. Sacks","doi":"10.1201/9780429506215-32","DOIUrl":"https://doi.org/10.1201/9780429506215-32","url":null,"abstract":"","PeriodicalId":193683,"journal":{"name":"eWork and eBusiness in Architecture, Engineering and Construction","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133519548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}