Safety Tracking System For Evaluating Hutuo Bridge

Concrete Filled Steel Tubular Arch Bridge in recent years, more and moredesigners favor the development of the transport sector in the country, not onlybecause of its beautiful shape, and has been in the transport sector occupies animportant position. With the growth of operating time, a lot of steel tube concrete archbridge appeared more or less damage, if not timely detection of these lesions, once thedamage occurs, will likely lead to significant engineering accident, causing serioussocial impacts and economic losses. At present, more and more large bridgesestablished a health monitoring system, and when the disease was found effectivebridge structure and quickly make Treatment. In response to this situation, this paper asteel arch bridge with concrete engineering background study analyzed several issuesCFST arch bridge health monitoring aspects. The main research work andachievements include the following aspects:(1) Pipe Concrete Arch Bridge Based on comprehensive assessment of the safetyassessment methods tracking method. Content from CFST arch bridge healthmonitoring of operational status, a common assessment methods, as well as themechanical characteristics of the structure of the bridge itself, preferably based on acomprehensive assessment of the safety assessment methods tracking method suitablehealth monitoring program focuses on the analytic hierarchy process and variableweight principles;(2) The establishment of CFST arch bridge safety assessment tracking system.From system design criteria evaluation system starting elect CFST arch bridgeassessment projects, completed assessments laid measuring point, briefly assess thedata collected, and the criteria for assessment.(3)To Hutuohe Bridge project examples to establish a secure tracking evaluationsystem. From the geometry of the layout of the bridge structure, bridge structuralstress testing and measuring point-sectional layout, main pier abutments and tie beamsare embedded strain gauges and layout, main, side arch ribs and transverse strain gauge stays buried and layout, outsourcing segment, the laying of the straingauge and layout, as well as the stress condition monitoring and other aspects of theboom and the vertical and horizontal beam column detail to establish the pointmonitoring system, as well as post-data collection. Specific assessment demonstratesa secure tracking system.(4) Hutuo Bridge Safety Assessment calculated. In Hutuo Bridge safety trackingassessment, through division and establish hierarchy system and the right to determinethe initial weight at all levels, and from the stress indicators Bridge reviews,cross-section measurement systems review arch language, suspender force reviews,structural geometry index layer comment indicators to determine morphologicalparameters after four aspects comment. The right to complete a comprehensiveassessment often integrated assessment and comparative analysis of variable weightstwo parties, draw bridge structure Hutuohe grade class of conclusions.