Waterlogging comprehensive drainage index test device and using method thereof
The invention discloses a waterlogging comprehensive drainage index test device and a using method thereof. The waterlogging comprehensive drainage index test device comprises a measuring cylinder arranged in a pre-built hole in the ground; the bottom of the measuring cylinder is provided with a fil...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a waterlogging comprehensive drainage index test device and a using method thereof. The waterlogging comprehensive drainage index test device comprises a measuring cylinder arranged in a pre-built hole in the ground; the bottom of the measuring cylinder is provided with a filter layer; the filter layer is laterally provided with three water guiding pipes; one ends of the water guiding pipes reach out of the measuring cylinder and are connected with a drain valve, a vertical transparent glass pipe and a water tank; the water tank is fixed on a support; the water guidingpipe connected with the water tank is also provided with a water supply valve and a metering water meter; the transparent glass pipe is provided with a scale line with a zero point upwards; the upperend of the measuring cylinder is also horizontally provided with an overflow pipe; the lower part of the opening of the overflow pipe and the top part of the transparent glass pipe are coplanarly arranged; and the water tank i |
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