发明名称 |
Datum sensor for measuring elongations |
摘要 |
A data sensor comprises a carrier member consisting of metal and shaped as a hollow section (1) and subdivided into adhering sections (2 and 3) and a measuring section (5). The adhering sections carry annular discs (4) and the measuring section (5) has strain gauges (6 and 7) arranged in mutually diametrically opposing positions. Within the area of the measuring section (5) the strain gauges (6 and 7) connected with the periphery of the carrier member are covered by an insulating mastic (8) with a self-welding tape (9) wound therearound. A shrinking hose (10) is provided as an outermost cover for the measuring section. The ratio of the cross-sectional area (FB) defined by the outer contour of the hollow section (1) and the cross-sectional area (FM) of the material of the hollow section are selected to equal the ratio of the coefficient of elasticity (EM) of the material of the carrier member and the coefficient of elasticity (EB) of the concrete (FIG. 1).
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申请公布号 |
US4377800(A) |
申请公布日期 |
1983.03.22 |
申请号 |
US19810226982 |
申请日期 |
1981.01.21 |
申请人 |
FULD, STEPHAN;PETERSCHINEGG, HANS |
发明人 |
FULD, STEPHAN;PETERSCHINEGG, HANS |
分类号 |
G01B7/16;(IPC1-7):H01L1/22 |
主分类号 |
G01B7/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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