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| 1 | Recent research and applications of GPS based technology for bridge health monitoring显示文摘Today,long-span bridges are being designed to be more flexible and to resist extensive impacts from changes in temperature,severe wind gusts and earthquake tremors. Structural responses (especially displacement) of bridge structures are becoming increasingly important for the finite element (FE) modal updating,structural response prediction and safety evaluation. Methods of global displacement sensing were developed for these needs. This paper presents an overview of current research and development activities in the field of bridge health monitoring using the global positioning system (GPS). The GPS monitoring technology and its accuracy assessment method are also briefly described. Finally,existing problems and promising research efforts in the GPS based bridge health monitoring are discussed. | YI TingHua1,2, LI HongNan1 & GU Ming2 1 Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116023, China 2 State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China | 2010 | Science China(Technological Sciences)2010，53，10： | 18 |
| 2 | The April 14th, 2010 Yushu earthquake, a devastating earthquake with foreshocks显示文摘In the early morning of April 14th, 2010, a strong earth- quake (Ms7.1, http://www.csndmc.ac.cn; Mw6.9, http://neic. usgs.gov) occurred in Yushu district, Qinghai Province, China. More than 2000 lives were lost and over 100000 injured, | NI SiDao1, WANG WeiTao2 & LI Li3 1 School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China 2 Institute of Geophysics, China Earthquake Administration, Beijing 100081, China 3 National Earthquake Infrastructure Service, China Earthquake Administration, Beijing 100036, China | 2010 | Science China Earth Sciences2010，53，6： | 15 |
| 3 | An effective and practical method for solving an unnegligible problem inherent in the current calculation model for multi-support seismic analysis of structures显示文摘In the seismic analysis of extended structures subject to spatially varying motions, the displacement input model instead of acceleration model is usually adopted for accurate results. In this paper, a more detailed and comprehensive analysis of the displacement input model is carried out and the research shows that there exists an unnegligible problem in the current displacement model, which leads to the irrationality and unconvergence of some calculated results such as base shear etc. Based on the situation, an effective method named massless rigid element (MRE) method is presented to solve the problem. Moreover, the rationality and accuracy of the method are further assessed and the method is applied to a transmission tower-line system project using the commercially available structural analysis software SAP2000. The theoretical and numerical analyses indicate that the MRE approach is not only feasible with sufficient computational accuracy but also practical and can be easily implemented using the commercially available finite element software such as SAP2000. | LIU GuoHuan2, GUO Wei1 & LI HongNan2 1 National Engineering Laboratory for High Speed Railway Construction, School of Civil Engineering and Architecture, Central South University, Changsha 410075, China 2 Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China | 2010 | Science China(Technological Sciences)2010，53，7： | 12 |
| 4 | Risk analysis of flood control operation mode with forecast information based on a combination of risk sources显示文摘Risk analysis of reservoir flood control operation mode with forecast information (FCOMFI) is an important basis for the design and implementation of FCOMFI. Most of current researches on this issue are incomplete as they only consider flood forecast errors, but not many other uncertainties in reservoir routing. In order to obtain an integrated risk rate of FCOMFI, this paper analyzes four uncertainties, i.e. hydrological, hydraulic, stage-storage uncertainty and time-delay uncertainty, as well as their probability distributions. On the basis of this analysis, an integrated risk analysis model of FCOMFI for reservoirs and its lower reach is established involving the above-mentioned four uncertainties, and this model is solved by Monte Carlo simulation based on Latin hypercube sampling. The simulation results, with Baiguishan reservoir as the example, show that the integrated risk rates of FCOMFI are less than those of the flood control operation mode without forecast information. This article presents the highest limited water level that satisfies flood control safety requirements of the lower reach. | DIAO YanFang & WANG BenDe School of Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China | 2010 | Science China(Technological Sciences)2010，53，7： | 10 |
| 5 | Research on monthly flow uncertain reasoning model based on cloud theory显示文摘In view of the mid and long term runoff forecasting containing many uncertain factors,this paper constructs a uncertain reasoning model (UR) based on the cloud theory to solve the problem of uncertain reasoning.Firstly,in the proposed model,a classification method,i.e.,attribute oriented induction maximum variance (MaxVar),is used to divide the runoff series into different intervals,which are softened and described by the cloud membership with expected value (Ex),entropy (En) and hyper-entropy (He),then an uncertain reasoning rule set is constructed by means of the runoff value generalization and applied to monthly flow for uncertain prediction.Next,a new modification formula is used to calculate He in runoff forecasting,and a confident level probability prediction interval is obtained by statistical method.Finally,this paper takes the monthly flow of Manwan station in China as an example and uses UR model,LSSVM model,and ARMA model to calculate the monthly flow,respectively.The results show that the UR model has the highest prediction accuracy compared to other models,and that it not only provides random output but also supports probability interval prediction. | SHI YuZhi & ZHOU HuiCheng Faculty of Infrastructure Engineering,Dalian University of Technology,Dalian 116024,China | 2010 | Science China(Technological Sciences)2010，53，9： | 7 |
| 6 | 亚特兰大环线 振兴废弃铁路以连接城市显示文摘当城市沉闷地隆隆作响时,乌儿翱翔在湛蓝的天空,徒步和骑行的人们沿着水泥路旅行,充满活力的景观和丰富多彩的壁画映入他们眼帘。孩子们的欢笑声盖过古朴的自行车铃声,大自然的清新味道在空气中弥漫。欢迎来到亚特兰大环线。 | AMEC Environment&Infrastructure,Inc. | 2015 | 风景园林2015，22，8： | 5 |
| 7 | Japanese infrastructure newsletter显示文摘 | Infrastructure Development Institute(IDI) | | 0，，45： | 1 |
| 8 | The Digital Diemma:Intellectual Property in the Information Age 显示文摘 | Committee on Intellectual Property Rights In The Emerging Information Infrastructure National Research Council | 2001 | National Academies Press2001，，1： | 1 |
| 9 | 进一步加强桥隧管理工作的措施显示文摘桥隧设备处于安全运营状态是确保铁路运输的重要环节,铁道部提出了进一步加强桥隧管理工作的措施。 | Infrastructure Department, Transportation Bureau of MOR | 2004 | 中国铁路2004，，7： | 1 |
| 10 | 0显示文摘 | Citizens as Voluntary Sensors:Spatial Data Infrastructure in the World of Web 2 | 2007 | International Journal of Spatial Data Infrastructures Research2007，2，： | 1 |
| 11 | Lessons from Australia and Canada显示文摘 | Inderst G Pension Fund Investment in Infrastructure | 2014 | Rotman International Jour- nal of Pension Management2014，7，1： | 1 |
| 12 | A New Fast Optimal Emergency Control Algorithm显示文摘In order to form an emergency control policy table quickly,this paper proposes a fast algorithm of emergency control named 'micro-step discrete method',which is based on the physical meaning of the gradient and the discrete characteristics of emergency control.Then it is improved through the stability criterion,integral step,and micro-step factor.This paper takes generator-shedding as the emergency control measures.As the optimal generator-shedding control is essentially an optimal control problem and the generator-shedding variables are always constant,it is convenient to use the control parameter algorithm to solve the problem,which can calculate the gradient of the transient stability function to control variables. | Biao Wang,B.Wang is with Sichuan Electric Power Research Institute,Chengdu 610072,China.Zheng-Hong Wang,Z.-H.Wang is with the Office of Infrastructure,Southwest Petroleum University,Chengdu 610072,China | 2012 | Journal of Electronic Science and Technology2012，10，1： | 0 |
| 13 | 金华人民医院UPS供电保障方案(续)显示文摘随着中国经济的飞速发展,中国的医疗系统水平也快速上升,各级医院都在不断的完善其软硬件建设水平。医疗系统信息化、精密化已经成为一个共识。所以,UPS等高可靠供电保障系统也逐步应用到医院机房及重要医疗系统的供电。本文藉由对金华人民医院新病房大楼UPS供电保障系统案例,讨论医疗系统中UPS设计所需遵循的标准、设计、选型的原则要素。 | Mission Critical Infrastructure Solutions(MCIS) Department,Delta Greentech(China)Co.,Ltd | 2012 | 电源世界2012，，6： | 0 |
| 14 | 金华人民医院UPS供电保障方案显示文摘随着中国经济的飞速发展,中国的医疗系统水平也快速上升,各级医院都在不断的完善其软硬件建设水平。医疗系统信息化、精密化已经成为一个共识。所以,UPS等高可靠供电保障系统也逐步应用到医院机房及重要医疗系统的供电。本文藉由对金华人民医院新病房大楼UPS供电保障系统案例,讨论医疗系统中UPS设计所需遵循的标准、设计、选型的原则要素。 | Mission Critical Infrastructure Solutions(MCIS) Department,Delta Greentech(China)Co.,Ltd | 2012 | 电源世界2012，，5： | 0 |
| 15 | 2003年工务工作回顾和2004年工务重点工作思路显示文摘简要回顾2003年铁路工务部门在线桥修理、第五次提速、安全专项整治、线路动态检查、防洪抢险、养路机械及工务专用设备的装备和运用、工务信息管理系统建设、全路绿色通道建设等方面所做的主要工作,提出2004年工务重点工作思路。 | Infrastructure Department of Transportation Bureau, MOR | 2004 | 中国铁路2004，，6： | 0 |
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