Abstract: The present application discloses a bionic induction type biological grouting device for uniformly reinforcing foundation soil, comprising an operation table, a rotating shaft and a rotating disc, at least two grouting pipes are arranged in a wall of a spiral guide pipe, a plurality of grout outlet holes are formed in an inner wall of the spiral guide pipe, a plurality of sets of grout spraying holes are formed in an outer wall of the spiral guide pipe in a rotation direction of the spiral guide pipe, and a plurality of adjusting components for controlling opening and closing of each set of grout spraying holes are arranged in the spiral guide pipe, and the plurality of adjusting components are linked through a flexible shaft.

Abstract: The present application discloses a bionic induction type biological grouting device for uniformly reinforcing foundation soil, comprising an operation table, a rotating shaft and a rotating disc, at least two grouting pipes are arranged in a wall of a spiral guide pipe, a plurality of grout outlet holes are formed in an inner wall of the spiral guide pipe, a plurality of sets of grout spraying holes are formed in an outer wall of the spiral guide pipe in a rotation direction of the spiral guide pipe, and a plurality of adjusting components for controlling opening and closing of each set of grout spraying holes are arranged in the spiral guide pipe, and the plurality of adjusting components are linked through a flexible shaft.

Abstract: The application discloses a reversible plugging-type device for preventing seepage from a side wall of an irregular sample (14), comprising a sleeve (15) with both ends open, a primary lantern ring (4), a secondary lantern ring (5), a tertiary lantern ring (26) and a rotation shaft (1) arranged in a barrel (2), a lower end surface of the barrel (2) is provided with an annular floating plate (17), the primary lantern ring (4), the secondary lantern ring (5), and the tertiary lantern ring (26) are hollow, first phase liquid pipe (7) is arranged on a lower end surface of the primary lantern ring (4), second phase liquid pipe (8) is arranged on a lower end surface of the secondary lantern ring (5), the first phase liquid pipe (7) and the second phase liquid pipe (8) extend downward toward a mixing pipe (10). The floating plate (17) has the mixing pipe (10), which runs through the floating plate (17) and has a discharging pipe (22) provided with a discharge port (23).