Strain influence line method for identifying damage of arch bridge suspender
The invention relates to the technical field of bridge damage detection, and relates to a strain influence line method for identifying arch bridge suspender damage, the method comprises a theoretical process and an implementation process, the theoretical process comprises: 1, establishing a three-su...
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| creator | FAN CONGCONG JI MENGEN WANG BOLI WANG SHAOQIANG KONG MENG YAN FEI LIU SHANG MA YANFENG WU QINGYUAN JUNG WON HOON FAN LONGFEI |
| description | The invention relates to the technical field of bridge damage detection, and relates to a strain influence line method for identifying arch bridge suspender damage, the method comprises a theoretical process and an implementation process, the theoretical process comprises: 1, establishing a three-suspender through tied-arch bridge structural mechanical model; 2, applying a moving unit load to the mechanical model of the three-suspender through tied-arch bridge, and performing quasi-static strain influence line data acquisition work at other suspender positions; 3, establishing a cubic statically indeterminate force normal equation; 4, calculating and analyzing a suspender strain influence line difference curve in the theoretical model, and performing damage identification; 5, proposing a strain influence line difference differential curve, and establishing a damage identification index of a strain influence line difference curvature; according to the method, data are read from a plurality of suspenders, so th |
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2, applying a moving unit load to the mechanical model of the three-suspender through tied-arch bridge, and performing quasi-static strain influence line data acquisition work at other suspender positions; 3, establishing a cubic statically indeterminate force normal equation; 4, calculating and analyzing a suspender strain influence line difference curve in the theoretical model, and performing damage identification; 5, proposing a strain influence line difference differential curve, and establishing a damage identification index of a strain influence line difference curvature; according to the method, data are read from a plurality of suspenders, so th</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</subject><subject>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyrEKwjAURuEsDqK-w_UBHIol4ihFcRAX3UtM_rQX0puQpINvr4MP4HT44CzV7VGzYSEWH2aIBQUW0IQ6Rkc-ZmIHqezfLAM5M5kBFD2ZbEd6ZXZflrkkiENeq4U3oWDz60ptL-dnd90hxR4lGQtB7bt707RH3Wp9OO3_eT6XoTXX</recordid><startdate>20220830</startdate><enddate>20220830</enddate><creator>FAN CONGCONG</creator><creator>JI MENGEN</creator><creator>WANG BOLI</creator><creator>WANG SHAOQIANG</creator><creator>KONG MENG</creator><creator>YAN FEI</creator><creator>LIU SHANG</creator><creator>MA YANFENG</creator><creator>WU QINGYUAN</creator><creator>JUNG WON HOON</creator><creator>FAN LONGFEI</creator><scope>EVB</scope></search><sort><creationdate>20220830</creationdate><title>Strain influence line method for identifying damage of arch bridge suspender</title><author>FAN CONGCONG ; 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2, applying a moving unit load to the mechanical model of the three-suspender through tied-arch bridge, and performing quasi-static strain influence line data acquisition work at other suspender positions; 3, establishing a cubic statically indeterminate force normal equation; 4, calculating and analyzing a suspender strain influence line difference curve in the theoretical model, and performing damage identification; 5, proposing a strain influence line difference differential curve, and establishing a damage identification index of a strain influence line difference curvature; according to the method, data are read from a plurality of suspenders, so th</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR |
| title | Strain influence line method for identifying damage of arch bridge suspender |
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