Steel member analysis method considering corrosion pit evolution method
The invention discloses a steel member analysis method considering an erosion pit evolution method, and belongs to the technical field of steel members. The method is technically characterized by comprising the following steps: step 1, scanning by using a three-dimensional shape scanner to obtain th...
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| creator | ZHAO YUN CHEN QINGWEI YAN YUEQIN GUO QI WANG YUQING WU HAIQUAN GONG MEIJUAN LI HAIWANG WU ZEYAN |
| description | The invention discloses a steel member analysis method considering an erosion pit evolution method, and belongs to the technical field of steel members. The method is technically characterized by comprising the following steps: step 1, scanning by using a three-dimensional shape scanner to obtain the three-dimensional shape of the corroded surface of the same steel member at a plurality of corrosion times; step 2, giving out a relationship between the depth expectation of a corrosion pit and the time and a relationship between related standard deviation and the time; 4, determining the total number Q of the corrosion pits, and determining the total number Q of the corrosion pits, wherein the relation between the radius expectation bt and t of the corrosion pits and the relation between related standard deviation and time are given; and 5, establishing a numerical calculation model of the steel member, and further performing analysis. By the adoption of the method, the influence of corrosion at a certain momen |
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The method is technically characterized by comprising the following steps: step 1, scanning by using a three-dimensional shape scanner to obtain the three-dimensional shape of the corroded surface of the same steel member at a plurality of corrosion times; step 2, giving out a relationship between the depth expectation of a corrosion pit and the time and a relationship between related standard deviation and the time; 4, determining the total number Q of the corrosion pits, and determining the total number Q of the corrosion pits, wherein the relation between the radius expectation bt and t of the corrosion pits and the relation between related standard deviation and time are given; and 5, establishing a numerical calculation model of the steel member, and further performing analysis. 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The method is technically characterized by comprising the following steps: step 1, scanning by using a three-dimensional shape scanner to obtain the three-dimensional shape of the corroded surface of the same steel member at a plurality of corrosion times; step 2, giving out a relationship between the depth expectation of a corrosion pit and the time and a relationship between related standard deviation and the time; 4, determining the total number Q of the corrosion pits, and determining the total number Q of the corrosion pits, wherein the relation between the radius expectation bt and t of the corrosion pits and the relation between related standard deviation and time are given; and 5, establishing a numerical calculation model of the steel member, and further performing analysis. 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The method is technically characterized by comprising the following steps: step 1, scanning by using a three-dimensional shape scanner to obtain the three-dimensional shape of the corroded surface of the same steel member at a plurality of corrosion times; step 2, giving out a relationship between the depth expectation of a corrosion pit and the time and a relationship between related standard deviation and the time; 4, determining the total number Q of the corrosion pits, and determining the total number Q of the corrosion pits, wherein the relation between the radius expectation bt and t of the corrosion pits and the relation between related standard deviation and time are given; and 5, establishing a numerical calculation model of the steel member, and further performing analysis. By the adoption of the method, the influence of corrosion at a certain momen</abstract><oa>free_for_read</oa></addata></record> |
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| title | Steel member analysis method considering corrosion pit evolution method |
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