Development of new methods and techniques for engineering surveys

工程测量新方法、新技术的开发

• 批准号: 3803-2007
• 负责人: Chrzanowski, Adam
• 金额: $ 1.31万
• 依托单位: University of New Brunswick
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2009
• 资助国家: 加拿大
• 起止时间: 2009-01-01 至 2010-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=419791
• 关键词: Development; new; methods; techniques; engineering

Recent catastrophic disasters such as: failures of levees and bridges in New Orleans; failure of overpasses in Montreal; collapses of roofs of large civil structures in Germany, Poland, and Russia; land slides in California and the Philippines; and rock failures and loss of lives in deep coal mines in China have dramatically increased demand for improving the existing and developing new deformation monitoring systems. Automation, multi-sensor integration, continuous data collection, integrated analysis, and enhanced accuracy and reliability of deformation surveys are the key issues to be addressed in the proposed research. The applicant and his associates at the Canadian Centre for Geodetic Engineering (CCGE) at UNB have been involved in the development of new methods and techniques for monitoring structural and ground deformations since mid '70s. Over the past two decades CCGE has gained world recognition as being among the leading centres in the development and implementation of new techniques and methods for monitoring, modeling, and prediction of structural and ground deformations. One example is the recent development of the ALERT software suite for fully automated and continuous monitoring of deformations. Over the last 5 years, the ALERT system has been commercialized and employed in monitoring large earth dams and open pit mines in Canada, USA, Chile, and Venezuela. The current version of ALERT uses geodetic Robotic Total Stations (RTS) linked with GPS receivers. This version, though perfectly suited to its current applications, would be unable to completely satisfy all monitoring needs. In order to satisfy needs of structural monitoring (e.g. monitoring of roofs of large structures, tunnels, pipelines, bridges) the ALERT system will be augmented by additional geodetic and various geotechnical sensors to provide a versatile and fully automated multi-sensor monitoring system. The focus will be on the use of a new type of fibre optic strainmeters, tiltmeters, pseudolites (terrestrial transmitter of GPS-like signals),and a ground based radar interferometry system. A methodology will be developed for a design of multi-sensor monitoring surveys using deterministic modeling of deformation.

最近的灾难性灾难，例如：新奥尔良堤防和桥梁的失败；蒙特利尔立交桥的失败；德国，波兰和俄罗斯大型民用结构的屋顶崩溃；加利福尼亚和菲律宾的陆地滑梯；中国深煤矿中的岩石故障和生命损失已大大提高了改善现有和开发新变形监测系统的需求。自动化，多传感器集成，连续数据收集，集成分析以及变形调查的准确性和可靠性增强是拟议研究中需要解决的关键问题。自70年代中期以来，申请人及其同事在UNC的Geodetic工程中心（CCGE）参与了监测结构和地面变形的新方法和技术的开发。在过去的二十年中，CCGE已获得世界认可，成为开发和实施新技术和方法的主要中心，以监测结构和地面变形的方法。一个示例是Alert Software Suite的最新开发，用于完全自动化和连续监视变形。在过去的5年中，警报系统已被商业化并用于监测加拿大，美国，智利和委内瑞拉的大型土壤大坝和开放坑地雷。当前版本的警报使用与GPS接收器相关的大地机器人总站（RTS）。这个版本虽然非常适合当前应用程序，但将无法完全满足所有监视需求。为了满足结构监测的需求（例如，对大型结构，隧道，管道，桥梁的屋顶进行监视），警报系统将通过其他测量机构和各种岩土技术传感器来增强，以提供多功能且全自动自动化的多发射器监测系统。重点将放在使用新型的光纤运动仪，倾斜度，伪石（GPS样信号的陆生发射机）和基于地面的雷达干涉测量系统。将开发一种方法，用于使用变形的确定性建模来设计多传感器监视调查。