{"id":582,"date":"2020-01-09T18:48:39","date_gmt":"2020-01-09T22:48:39","guid":{"rendered":"http:\/\/www.resensys.com\/Blog\/?p=582"},"modified":"2026-02-20T04:38:15","modified_gmt":"2026-02-20T08:38:15","slug":"steel-girder-bridge-case-study-wireless-tilt-bearing-rotation-and-wireless-strain-sensors-on-steel-girder-bridge","status":"publish","type":"post","link":"https:\/\/www.resensys.com\/Blog\/steel-girder-bridge-case-study-wireless-tilt-bearing-rotation-and-wireless-strain-sensors-on-steel-girder-bridge\/","title":{"rendered":"Steel Girder Bridge Case Study: Wireless Tilt (Bearing Rotation) and Wireless Strain Sensors on Steel Girder Bridge"},"content":{"rendered":"<p><strong>Monitored Variables and Members: <\/strong>bearings rotation and strain in girders<\/p>\n<p><strong>Bridge Structure:<\/strong>\u00a0 the steel girder bridge over the river consists 14 piers and 2 abutments. The bridge longest span is about 160 feet, and it is fracture critical.<\/p>\n<p><a href=\"https:\/\/www.resensys.com\/Blog\/steel-girder-bridge-case-study-wireless-tilt-bearing-rotation-and-wireless-strain-sensors-on-steel-girder-bridge\/2019-10-24-09-58-14\/\" rel=\"attachment wp-att-655\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-655\" src=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-24-09.58.14-scaled.jpg\" alt=\"\" width=\"2560\" height=\"1920\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-24-09.58.14-scaled.jpg 2560w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-24-09.58.14-300x225.jpg 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-24-09.58.14-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-24-09.58.14-768x576.jpg 768w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-24-09.58.14-1536x1152.jpg 1536w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-24-09.58.14-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Access Equipment used to install Wireless SenSpot sensors on bridge critical members<\/p>\n<p><strong>Installed Devices: <\/strong>a Resensys structural health monitoring system that was deployed on the structure consists bearing rotation (tilt) and <a href=\"https:\/\/resensys.com\/r20\/wireless-products-senspot\/metal-structural-precision-strain-stress-gauge-low-power-high-sample.html\">strain SenSpot<\/a>\u00a0sensors. All SenSpot\u00a0sensors also measure temperature in real time. <a href=\"https:\/\/resensys.com\/r20\/wireless-products-senspot\/senimax-low-power-performance-data-collector-communication-gateway.html\">SeniMax<\/a>\u00a0data logger with remote communication gateways were installed to collect data from SenSpot\u00a0gauges and send them to main server and <a href=\"https:\/\/resensys.com\/r20\/wireless-products-senspot\/senscope-monitoring-diagnostics-data-display.html\">SenScope<\/a>.<\/p>\n<p><a href=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1744.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-589\" src=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1744-300x225.jpg\" alt=\"IMG_1744\" width=\"454\" height=\"340\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1744-300x225.jpg 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1744-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1744.jpg 2016w\" sizes=\"auto, (max-width: 454px) 100vw, 454px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Bearing rotation (tilt) SenSpot\u00a0sensor<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1712.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-588\" src=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1712-300x225.jpg\" alt=\"IMG_1712\" width=\"452\" height=\"339\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1712-300x225.jpg 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1712-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/IMG_1712.jpg 2016w\" sizes=\"auto, (max-width: 452px) 100vw, 452px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/resensys.com\/r20\/wireless-products-senspot\/metal-structural-precision-strain-stress-gauge-low-power-high-sample.html\">Strain SenSpot sensor<\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-25-10.19.14-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-586\" src=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-25-10.19.14-1-300x225.jpg\" alt=\"2019-10-25 10.19.14-1\" width=\"452\" height=\"339\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-25-10.19.14-1-300x225.jpg 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2020\/01\/2019-10-25-10.19.14-1-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 452px) 100vw, 452px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/resensys.com\/r20\/wireless-products-senspot\/senimax-low-power-performance-data-collector-communication-gateway.html\">SeniMax Gateway<\/a><\/p>\n<p><strong>Monitoring Purposes and Methods:<\/strong><\/p>\n<ul>\n<li>Statistical analysis of strain data and comparing different girders \u201ctypical average daily variation\u201d of stress values.<\/li>\n<li>Calculating dependence of strain and bearing rotation on temperature (temperature response rate).<\/li>\n<li>Assess functionality of the bearings\u2019 rotation and responsiveness of pier bearings by comparing measures response rate with the expected values.<\/li>\n<li>Detect bearing malfunction<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Monitored Variables and Members: bearings rotation and strain in girders Bridge Structure:\u00a0 the steel girder bridge over the river consists 14 piers and 2 abutments. The bridge longest span is about 160 feet, and it is fracture critical. Access Equipment used to install Wireless SenSpot sensors on bridge critical members Installed Devices: a Resensys structural [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":588,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9,25,7,5,6],"tags":[],"class_list":["post-582","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fracture-critical-bridge","category-senimax","category-senspot","category-wireless-strain-sensor","category-wireless-tilt-sensor","cat-9-id","cat-25-id","cat-7-id","cat-5-id","cat-6-id","has_thumb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Steel Girder Bridge Case Study: Wireless Tilt (Bearing Rotation) and Wireless Strain Sensors on Steel Girder Bridge - Resensys blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.resensys.com\/Blog\/project\/steel-girder-bridge-case-study-wireless-tilt-bearing-rotation-and-wireless-strain-sensors-on-steel-girder-bridge\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Steel Girder Bridge Case Study: Wireless Tilt (Bearing Rotation) and Wireless Strain Sensors on Steel Girder Bridge - Resensys blog\" \/>\n<meta property=\"og:description\" content=\"Monitored Variables and Members: bearings rotation and strain in girders Bridge Structure:\u00a0 the steel girder bridge over the river consists 14 piers and 2 abutments. 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The bridge longest span is about 160 feet, and it is fracture critical. 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