WATER ABSORPTION TEST METHOD AND WATER ABSORPTION

专利名称：WATER ABSORPTION TEST METHOD AND

WATER ABSORPTION TEST DEVICE FORCONCRETE SURFACE

发明人：HOSODA, AKIRA,HAYASHI, KAZUHIKO申请号：EP12765746申请日：20120330公开号：EP2693186A4公开日：20141126

摘要：A water absorption property of a concrete surface of an actual structure ismeasured in situ for clarification and evaluation of causative factors and so forth relatedto densification of surface layer concrete. An apparatus for a water absorption test (1)has a position-fixing device (3), a detecting device (90) and a measuring device (91). Adevice for water absorption test (2) having vent means (25c, 26c) is positionally fixed onthe concrete surface (V, LL) by the position-fixing device, with use of negative pressure (E)or a mechanical connection (80). The detecting device detects an amount of water (W)held in a chamber (B), and results detected by the detecting device are input into themeasuring device. A water absorption rate (y) is measured by the detecting device andthe measuring device. On the basis of the water absorption rate measured atpredetermined elapsed time, identification or comparison of causative or evaluativefactors related to densification of the surface layer concrete is carried out.

申请人：NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONALUNIVERSITY

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