Method and device for rapidly measuring springback value of tunnel sprayed concrete
The invention relates to the technical field of tunnel construction, in particular to a method and device for rapidly measuring the springback value of tunnel sprayed concrete, and the method comprises the steps: carrying out the three-dimensional laser scanning of an absolute position point of an o...
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| creator | WANG LEI WANG XIAOLIN CHENG BO SHI AIJUN ZHANG BIN WANG ZHENG HUANG BO QIAO HONGBO ZHANG PENGMAO ZHI YONGHUI XU HAIJIAN XU QINGSONG CHEN BIN WANG YANLONG LI WENBIN JIA CHAO TIAN JIA LI YUNING GUAN DEPENG ZHANG QIN YUAN JIANFEI |
| description | The invention relates to the technical field of tunnel construction, in particular to a method and device for rapidly measuring the springback value of tunnel sprayed concrete, and the method comprises the steps: carrying out the three-dimensional laser scanning of an absolute position point of an original ground in a spraying area, obtaining the point cloud data of the original ground, and building a model of the original ground; recording the volume V1 of sprayed concrete in actual use; three-dimensional laser scanning is carried out on the absolute position point of the ground after spraying of the spraying area is completed, point cloud data of the ground after spraying is obtained, and a model of the ground after spraying is completed is established; superposing the model of the original ground and the model of the ground after spraying to obtain a volume V2 between the two ground models; and calculating the springback rate K of the sprayed concrete, wherein K = V2/V1. A model can be established and the |
| format | Patent |
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recording the volume V1 of sprayed concrete in actual use; three-dimensional laser scanning is carried out on the absolute position point of the ground after spraying of the spraying area is completed, point cloud data of the ground after spraying is obtained, and a model of the ground after spraying is completed is established; superposing the model of the original ground and the model of the ground after spraying to obtain a volume V2 between the two ground models; and calculating the springback rate K of the sprayed concrete, wherein K = V2/V1. A model can be established and the</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING |
| title | Method and device for rapidly measuring springback value of tunnel sprayed concrete |
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