Publication

Automatic Monitoring of Bridges using Electronic Inclinometers

Olivier Burdet, Jean-Luc Zanella
2000
Conference Papers

Abstract

The paper presents a new method for the automatic monitoring of bridges deformations. Based on the use of electronic high precision inclinometers, this method permits to accurately reconstruct the deflected shape of the bridge and to follow its long-term evolution. A practical and efficient method for the reconstruction of the deflected shape from measured rotations is proposed. The example of an actual bridge in Western Switzerland, in which the system is operational, is described. The results obtained correspond well with those obtained from independent measurements.

Official source

https://infoscience.epfl.ch/entities/publication/dafb3884-1130-47b4-9c89-c990b73a44d7

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Olivier Burdet, Jean-Luc Zanella
2000
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/dafb3884-1130-47b4-9c89-c990b73a44d7

About this result

Related concepts (32)

Theodolite

A theodolite (θiˈɒdəˌlaɪt) is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The traditional use has been for land surveying, but it is also used extensively for building and infrastructure construction, and some specialized applications such as meteorology and rocket launching. It consists of a moveable telescope mounted so it can rotate around horizontal and vertical axes and provide angular readouts.

Inclinometer

An inclinometer or clinometer is an instrument used for measuring angles of slope, elevation, or depression of an object with respect to gravity's direction. It is also known as a tilt indicator, tilt sensor, tilt meter, slope alert, slope gauge, gradient meter, gradiometer, level gauge, level meter, declinometer, and pitch & roll indicator. Clinometers measure both inclines and declines using three different units of measure: degrees, percentage points, and topos.

Euler method

In mathematics and computational science, the Euler method (also called the forward Euler method) is a first-order numerical procedure for solving ordinary differential equations (ODEs) with a given initial value. It is the most basic explicit method for numerical integration of ordinary differential equations and is the simplest Runge–Kutta method. The Euler method is named after Leonhard Euler, who first proposed it in his book Institutionum calculi integralis (published 1768–1870).

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Automatic Monitoring of Bridges using Electronic Inclinometers

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