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Closed loop camera series networks for monitoring foundation settlement

A series network and foundation settlement technology, applied in the field of camera measurement technology and automatic foundation settlement monitoring, can solve the engineering difficulties of large-scale structure foundation settlement monitoring and other problems, and achieve the effects of improving settlement monitoring accuracy, continuous measurement, and reducing the number of settlements.

Inactive Publication Date: 2018-09-04
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to propose two closed-loop camera series network methods for monitoring the settlement of large-scale structure foundations in view of the engineering difficulties of large-scale structure foundation settlement monitoring

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  • Closed loop camera series networks for monitoring foundation settlement
  • Closed loop camera series networks for monitoring foundation settlement
  • Closed loop camera series networks for monitoring foundation settlement

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Experimental program
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Embodiment Construction

[0045] The process that the present invention monitors settlement is as follows:

[0046] 1) According to the on-site requirements of large-scale structural foundation monitoring, a measurement unit is set up at each position that needs to be measured, and a closed loop is formed to form a closed-loop pose transfer camera series network, or a closed-loop displacement transfer camera series network;

[0047] 2) Each camera in the closed-loop camera series network collects images synchronously;

[0048] 3) Extract the position of each mark in the image from the image sequence with high precision;

[0049] 4) Process the coordinate data of each sign image obtained in the previous step in a unified manner according to the imaging geometric constraint relationship, and obtain the six-dimensional data of the position and attitude deformation of the target to be measured (closed-loop pose transfer camera series network), or the settlement in the vertical direction Quantity (closed-l...

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Abstract

The invention relates to closed loop camera series networks for monitoring foundation settlement. The closed loop camera series networks for monitoring the foundation settlement comprise two networks,namely a closed loop position-posture transmitting camera series network and a closed loop displacement transmitting camera series network, and the vertical settlement amount of a to-be-measured target relative to a measurement datum can be monitored in real time at a high precision. By the adoption of the closed loop camera series networks for monitoring the foundation settlement, the number ofcontrol points can be effectively reduced, and under the same number of control points, the deformation monitoring precision is significantly improved. The closed loop camera series networks for monitoring the foundation settlement can be widely used for monitoring foundation settlement of large-sized structures such as a high-rise building, a railway, a tunnel, a road, the ground and a bridge andhas the important theoretical research significance and broad application prospect.

Description

technical field [0001] The invention relates to two closed-loop camera series network methods for monitoring large-scale foundation settlement of high-rise buildings, railways (including subways, high-speed rail), tunnels, highways, grounds, bridges, etc. A method for automatic monitoring of foundation subsidence is realized by the camera measurement technology connected in series with the closed-loop displacement transfer camera. Background technique [0002] With the accelerated pace of urban construction, high-rise buildings, railways (including subways, high-speed rails), tunnels, highways, grounds, bridges and other large structures appear in people's production and life. However, the construction of any building will have an impact on the foundation and the surrounding ground. In addition to the building's own load, the building will undergo a certain degree of settlement. When the uneven settlement reaches a certain level, it will seriously affect the construction des...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D1/00G01C11/00G01C5/00
CPCE02D1/00G01C5/00G01C11/00
Inventor 于起峰关棒磊尚洋
Owner NAT UNIV OF DEFENSE TECH
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