A New Automatic Device for Measuring Large Volume Changes

被引：0
|
作者：
Mott MacDonald Limited, United Kingdom [1 ]
不详 [2 ]
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来源：
Geotech. Test. J. | 2007年 / 6卷 / 504-507期
关键词：
Air;
D O I：
10.1520/GTJ100781
中图分类号：
学科分类号：
摘要：
The design and construction of a new automatic volume change unit, which is capable of measuring large volume changes without the need for reversing flow direction, is described. It works on the principle of a floating magnet at an air-water interface activating a magnetorestrictive sensor. Its performance is assessed against the criteria listed by Lade (1988) as desirable for any automatic volume change measuring device, and is shown to satisfy these criteria. Copyright © 2007 by ASTM International.
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