A p-y curve-based element test device is provided. An upper support plate is located above a lower support plate and is fixedly connected to the lower support plate through truss supports symmetrically arranged on left and right sides, and at least one truss support is arranged on each side. A sample container, a servo consolidation mechanism and multidirectional servo actuators are connected to the truss support on the two sides. The servo consolidation mechanism is located above the sample container, and the multidirectional servo actuators are arranged above the servo consolidation mechanism and below the sample container, respectively. Identical loads are synchronously applied from above and below to realize horizontal movement of a pile element to simulate the load condition of a soil body, and a pressure is applied by a servo consolidation device to simulate the stress condition of the soil body at a certain depth.

A p-y curve-based element test device is provided. An upper support plate is located above a lower support plate and is fixedly connected to the lower support plate through truss supports symmetrically arranged on left and right sides, and at least one truss support is arranged on each side. A sample container, a servo consolidation mechanism and multidirectional servo actuators are connected to the truss support on the two sides. The servo consolidation mechanism is located above the sample container, and the multidirectional servo actuators are arranged above the servo consolidation mechanism and below the sample container, respectively. Identical loads are synchronously applied from above and below to realize horizontal movement of a pile element to simulate the load condition of a soil body, and a pressure is applied by a servo consolidation device to simulate the stress condition of the soil body at a certain depth.

The vertical counterforce loading device includes a concrete support member, four transfer components, four connection components, a vertical force transmission component and a load test soil layer. The concrete support member is formed by pouring and concreting below the load test soil layer. The four transfer components are divided into two groups to be symmetrically and parallelly anchored in the concrete support member. The vertical force transmission component includes a load plate, a jack, a primary beam and a secondary beam arranged in sequence from bottom to top. The load plate is installed on the load test soil layer. The number of the secondary beams is two, and the two secondary beams are connected crosswise to both ends of the primary beam. The end portions of the two secondary beams are respectively connected to second ends of the four connection components through reinforcement components.

An arrangement method for deformation of a locked patch crack of a rock slope, includes: connecting a filling pipeline on a bladder-type monitoring probe to a mortar guiding pipe through an automatic locking and unlocking device, clamping a portion to be clamped on a bladder by a clamping assembly, driving a clamping driving mechanism to move towards an adit by a push driving mechanism, and pushing the bladder into the adit; injecting cement mortar into the bladder through the mortar guiding pipe by utilizing a high-pressure injection machine to expand the bladder until an upper surface and a lower surface of the bladder abut against an upper surface and a lower surface of the adit, and making a monitor on the bladder abut against the upper and lower surfaces of the adit; and arranging a plurality of bladder-type monitoring probes in an array in the adit.

The present invention discloses a pullout resistance measuring device and method based on an anchor plate foundation of a submarine slope site. The measuring device includes a support, a moving beam, a hoisting mechanism, a cylinder device, a pulley assembly, a soil sample, a spiral anchor, a traction rope and a force measuring device, where the moving beam is movably mounted on the support; the hoisting mechanism is movably mounted on the moving beam; the cylinder device includes a cylinder; the pulley assembly is movably mounted on the cylinder corresponding to the vertical slit; the soil sample is filled in the cylinder; the spiral anchor is buried in the soil sample; one end of the traction rope is connected to the hoisting mechanism, and the other end is directly connected to the spiral anchor; and the force measuring device is arranged on the traction rope.

The present invention discloses a pullout resistance measuring device and method based on an anchor plate foundation of a submarine slope site. The measuring device includes a support, a moving beam, a hoisting mechanism, a cylinder device, a pulley assembly, a soil sample, a spiral anchor, a traction rope and a force measuring device, where the moving beam is movably mounted on the support; the hoisting mechanism is movably mounted on the moving beam; the cylinder device includes a cylinder; the pulley assembly is movably mounted on the cylinder corresponding to the vertical slit; the soil sample is filled in the cylinder; the spiral anchor is buried in the soil sample; one end of the traction rope is connected to the hoisting mechanism, and the other end is directly connected to the spiral anchor; and the force measuring device is arranged on the traction rope.

Disclosed is detection apparatus for flow deformation of foundation layer in horizontal direction including: housing, rotation assembly rotatably disposed within accommodation cavity of the housing, and measurement assembly including first optical fiber lead wire, first optical fiber sensor disposed on first optical fiber lead wire, second optical fiber lead wire, and second optical fiber sensor disposed on second optical fiber lead wire, and disposed within the accommodation cavity. First optical fiber sensor is configured to measure tensile strain of first optical fiber lead wire and first optical fiber sensor before and after the rotation assembly rotates; second optical fiber sensor is configured to measure tensile strain of second optical fiber lead wire and second optical fiber sensor before and after the rotation assembly rotates, to obtain strain amount and displacement change amount, and further to obtain flow deformation degree and flow deformation direction of soil mass of the foundation layer.

Disclosed is detection apparatus for flow deformation of foundation layer in horizontal direction including: housing, rotation assembly rotatably disposed within accommodation cavity of the housing, and measurement assembly including first optical fiber lead wire, first optical fiber sensor disposed on first optical fiber lead wire, second optical fiber lead wire, and second optical fiber sensor disposed on second optical fiber lead wire, and disposed within the accommodation cavity. First optical fiber sensor is configured to measure tensile strain of first optical fiber lead wire and first optical fiber sensor before and after the rotation assembly rotates; second optical fiber sensor is configured to measure tensile strain of second optical fiber lead wire and second optical fiber sensor before and after the rotation assembly rotates, to obtain strain amount and displacement change amount, and further to obtain flow deformation degree and flow deformation direction of soil mass of the foundation layer.

An apparatus for monitoring the movement of a foundation may include an elevation sensor to detect changes in elevation of the foundation and positioned on the foundation to broadcast a signal responsive to the movement of the foundation; and a receiver to receive the signal responsive to the movement of the foundation and positioned off the foundation to provide a absolute measurement of the movement of the foundation.

An apparatus for monitoring the movement of a foundation may include an elevation sensor to detect changes in elevation of the foundation and positioned on the foundation to broadcast a signal responsive to the movement of the foundation; and a receiver to receive the signal responsive to the movement of the foundation and positioned off the foundation to provide a absolute measurement of the movement of the foundation.