某樓盤l座施工圖預算編制的計算書畢業(yè)論文-資料下載頁

　　

【正文】 蔡雪峰主編．建筑施gong組織． 武漢理gong大學出版社，2006[12]錢昆潤，戴望炎，：東南大學出版社，2006（第五版）[13]陳雄嬌主編．建筑gong程施gong圖預算編制探討．中外建筑，2004，第1期[14]重慶大學,同濟大學,：中國建筑gong業(yè)出版社，2003[15]廖天平，,2007 (第二版)[16]劉勻，：同濟大學出版社,2007[17] HM Treasury,CUP Guidance No 61:Contract Management[18] HM Treasury,CUP Guidance No 12:Project Evaluation[19] [J].london:ThomasTelford,2003英文原文Construction Defect Management Using a Telemetric Digital WorkbenchAbstract: Realtime, richmedia data munication between the construction site and the offsite design office is being one of the important research areas in information technology for construction. This paper presents the concept of a telemetric digital workbench, a horizontal tabletop user interface integrating mobile puting and wireless munication to facilitate synchronous construction site to office collaboration. We demonstrate the capabilities and potentials of this system concept for construction defect management. The onsite crew uses a handheld mobile device to collect defect information and transfers the information to the design office through wireless munication by sending the information to a database listener. The digital workbench application monitors the database and synchronizes the location of the visual information on the site with the 3D model on the server. Integrated with 3D viewing capability in a CAD system, designers can interact with the bined model/site data using a horizontal and vertical screen. A case study pared the telemetric digital workbench against paperbased and Pocket PCbased methods for defect management in a controlled laboratory experiment. The case study results show that the telemetric digital workbench has the potential to improve the accuracy of matching site data to digital data and reduce information loss between site and office collaboration.IntroductionDefect management is essential for the pletion and quality of construction. The current approach to defect management is time consuming and relies heavily on repeated data entry. This process typically includes inspecting the building site, discovering defects, recording defect information using notes and textual descriptions on a paper drawing, keying the information into an online database, and, finally, municating the information to designers and builders for resolution. Some automation has been introduced in mercial tools by entering information into a mobile puter onsite, but this data is not used to support realtime collaboration or problem solving. In terms of visualization of the defect information, the current approach is also problematic. The manual data collection and transcription has the potential to lead to missing defect information, misunderstandings and unclear instructions among different parties.Defect management is an example of the type of construction management problem that could benefit from technologies to support synchronous design collaboration because current practices rely largely on a facetoface mode requiring the physical presence of all stakeholders on the construction site.We have developed an approach to construction defect management as a demonstration of a concept for the realtime sharing of rich media data between a construction site and an offsite design office. The concept, a telemetric digital workbench, incorporates mobile puting, wireless munication and a horizontal tabletop interface, as shown in Fig. 1.The system concept can be divided into three tiers: clients (mobile phone and workbench), munication channel (wireless network) and the server (database). The aim of this paper is to explore the potential of realtime sharing and visualization of richmedia to improve data flows between the building site and the design office.According to the authors39。 industry partners from one of Australia39。s largest multinational construction engineering firms who contributed to this research, the current mon practice for defect management is for project personnel to collect defect data onsite, make notes onto drawings, and then have secretaries input the data into an online database. Defects are then rectified asynchronously, often requiring a bination of onsite and offsite meetings depending upon the severity of the defect. Having not been exposed to any alternatives, the possibility of being able to resolve defects in realtime had never been considered as part of their work practices. Applied to defect management, our conjecture is that the telemetric digital workbench has the potential to improve synchronous collaboration by deploying a more efficient and less timeconsuming method to collect, transmit and document defect information with rich media. Using a horizontal tabletop interface for localizing and displaying defects, designers, constructors and clients can understand access and make use of defect information collaboratively. The digital workbench would be a mediarich and interactive system for displaying and examining defect information among the design team. This paper reports on the design, development, and exploratory evaluation of a telemetric workbench. We conducted a case study of the workbench using a defect management application to pare the potentials and constraints of this approach against mercially available construction defect management practices. In the research described in this paper, we do not focus on defect management as the penultimate application for the telemetric workbench concept per se, but rather focused on the realtime exchange of information between the construction site and offsite office, how this technology could change current practice, and how visualization approaches could enable collaboration.BackgroundConstruction defect management is typically conducted during the latter stages of construction as part of punch list checking. The purpose of construction defect management is to discover faults in the asbuilt or assess construction qua