{"id":515,"date":"2017-09-20T22:53:24","date_gmt":"2017-09-21T02:53:24","guid":{"rendered":"http:\/\/www.resensys.com\/Blog\/?p=515"},"modified":"2026-02-20T05:42:47","modified_gmt":"2026-02-20T09:42:47","slug":"resensyss-wireless-strain-and-tilt-sensors-on-fracture-critical-bridge-us522-over-potomac-river","status":"publish","type":"post","link":"https:\/\/www.resensys.com\/Blog\/resensyss-wireless-strain-and-tilt-sensors-on-fracture-critical-bridge-us522-over-potomac-river\/","title":{"rendered":"Resensys wireless strain and tilt sensors on fracture critical US522 over Potomac River Bridge"},"content":{"rendered":"<p>Resensy\u2019s wireless strain sensors (<a title=\"Strain SenSpot\" href=\"https:\/\/resensys.com\/r20\/wireless-products-senspot\/metal-structural-precision-strain-stress-gauge-low-power-high-sample.html\" target=\"_blank\" rel=\"noopener noreferrer\">Strain SenSpot<\/a>) and wireless tilt sensors (<a title=\"Tilt SenSpot\" href=\"https:\/\/resensys.com\/r20\/wireless-products-senspot\/structural-movement-tilt-deformation-damage-detection.html\" target=\"_blank\" rel=\"noopener noreferrer\">Tilt SenSpot<\/a>) were used to monitor another fracture critical bridge in Maryland. The structural health monitoring based on Resensys SenSpot sensors system was deployed on bridge US522 over Tonoloway Creek and Potomac River. The system consists of 12 tilt and 12 strain SenSpot sensors and two SeniMax data logger and remote communication gateways. The main purpose of the installation is to monitor operation of the rocker bridge bearings as well as monitoring strain in the bridge\u2019s steel girders. Correct tilting of bearings (resulted by temperature change) is a primarily monitored. When bearings are functional and responsive, the possibility of overstrain and fatigue crack formation is relatively small; however, non-functional bearings cause cyclic strain (caused by temperature), which in turn leads to fatigue crack formation. The strain sensors provide accurate monitoring of the bridge\u2019s critical members. Formation of fatigue crack is accurate detected by the devices. In addition, each SenSpot is battery operated. The guaranteed battery life of SenSpot is 10 years.<\/p>\n<p><a href=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-08.37.55.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-516 size-large\" src=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-08.37.55-1024x768.jpg\" alt=\"2016-04-12 08.37.55\" width=\"960\" height=\"720\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-08.37.55-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-08.37.55-300x225.jpg 300w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/resensys.com\/r20\/wireless-products-senspot\/critical-component-condition-monitoring-instrumentation.html\"><strong>Resensys Wireless SenSpot\u2122<\/strong><\/a> provides a versatile suite of remote sensing capabilities for cost effective, reliable, and long-term bridge monitoring.\u00a0 SenSpot\u2122 sensors are capable of measuring a wide spectrum of structural parameters \u2013 including strain (stress), vibration, velocity, displacement, inclination, temperature, and humidity, \u2013 in real time. Resensys SenSpots are the world\u2019s most energy efficient <strong>wireless<\/strong> monitoring sensors, and a SenSpot\u2122 sensor provides a minimum of 10 years of monitoring using a small \u00bd-AA battery.<\/p>\n<p><a href=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-10.37.27.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-517 size-large\" src=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-10.37.27-1024x768.jpg\" alt=\"2016-04-12 10.37.27\" width=\"960\" height=\"720\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-10.37.27-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-10.37.27-300x225.jpg 300w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<p>Standard SenSpot sensors for monitoring strain in steel members have a resolution of 1.0 microstrain while the full-scale strain monitoring is \u00b14000 microstrain. Both range and resolution are customizable if desired.<\/p>\n<p><a href=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-17.12.02.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-520 size-large\" src=\"http:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-17.12.02-1024x768.jpg\" alt=\"2016-04-12 17.12.02\" width=\"960\" height=\"720\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-17.12.02-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2017\/08\/2016-04-12-17.12.02-300x225.jpg 300w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<p>For monitoring orientation (tilt, inclination), Resensys\u2019 wireless precision tilt SenSpot sensors is used. Similar to strain SenSpot sensors, the orientation SenSpot sensors have a battery life of 10 years, making them ideal for long term monitoring for settling, foundation instability, deflection, deformation, etc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Resensy\u2019s wireless strain sensors (Strain SenSpot) and wireless tilt sensors (Tilt SenSpot) were used to monitor another fracture critical bridge in Maryland. The structural health monitoring based on Resensys SenSpot sensors system was deployed on bridge US522 over Tonoloway Creek and Potomac River. The system consists of 12 tilt and 12 strain SenSpot sensors and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":518,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[8,25,5,6],"tags":[17,15,11,10,12,16],"class_list":["post-515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bridge-structural-health-monitoring","category-senimax","category-wireless-strain-sensor","category-wireless-tilt-sensor","tag-bridge-structural-health-monitoring","tag-senspot","tag-structural-health-monitoring","tag-wireless-strain-sensor-2","tag-wireless-temperature-sensor","tag-wireless-tilt-sensor","cat-8-id","cat-25-id","cat-5-id","cat-6-id","has_thumb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Resensys wireless strain and tilt sensors on fracture critical US522 over Potomac River 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\/resensyss-wireless-strain-and-tilt-sensors-on-fracture-critical-bridge-us522-over-potomac-river\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Resensys wireless strain and tilt sensors on fracture critical US522 over Potomac River Bridge - Resensys blog\" \/>\n<meta property=\"og:description\" content=\"Resensy\u2019s wireless strain sensors (Strain SenSpot) and wireless tilt sensors (Tilt SenSpot) were used to monitor another fracture critical bridge in Maryland. The structural health monitoring based on Resensys SenSpot sensors system was deployed on bridge US522 over Tonoloway Creek and Potomac River. 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