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Solexperts - Joint Extensometer
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Joint extensometers are used for displacement measurements in structural joints and cracks. The change in distance perpendicular to the joint and the vertical and horizontal shear movements are determined by suitable arrangement and combination of joint extensometers. The sensors are linear potentiometers encapsulated in a stainless steel housing to be water pressure-tight with a measuring range of 50, 100 or 250 mm and a measuring accuracy of +/-0.02 mm. The measurement is carried out either manually with a portable measuring device or automatically with a data logger.
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- Where deformations and displacements have to be measured continuously and automatically and where the measuring positions cannot, or only with difficulty, be reached (e.g. for high retaining walls, rock slopes, measuring places subject to flooding).
- Combined with a borehole extensometer (e.g. the Solexperts Modular Extensometer) deformations, displacements, settlements or heaves can be measured along one or more measuring sections.
- To measure movements in one, two or three directions of joints, cracks or bearings (e.g. the movement of the bearings of bridges).
- With surface extensometers to measure the displacements of retaining walls, slides, bridge supports, etc.