Pore water pressure measuring device in foundation stabilization zone
A technology of pore water pressure and foundation reinforcement, which can be used in measuring devices, measuring fluid pressure, and surveying on-site foundation soils, and can solve problems such as the inability to realize real-time measurement.
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[0011] The present invention will be further described in detail below with reference to the drawings and specific embodiments. figure 1 It is a structural diagram of a device for measuring pore water pressure in a foundation reinforcement zone of the present invention. The device is composed of pore water pressure sensor, sensor cable, secondary instrument, and automatic data acquisition system; first set up the vertical drainage channel 7 in the soil 6 to be reinforced, and then follow the corresponding technical regulations, specifications and design requirements. Bury the pore water pressure sensor 1 at different depths of the soil body 6, and lead the sensor cable 2 outside the reinforcement area to a position where it is convenient to connect with the secondary meter 3 and protect it; pave 30cm to 50cm thick sand on the surface of the soil body 6 The cushion layer 8, level the surface of the sand cushion layer 8, lay a sealing film 9 on the surface of the yarn cushion layer ...
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