7results about How to "Improve slope stability" patented technology

The utility model relates to a widening structure for filling engineering, which relates to the field of geotechnical engineering technology, and comprises a retaining wall structure, a filling body arranged in the retaining wall structure, a first reinforcing assembly used for connecting the filling body and an existing roadbed slope, and a second reinforcing assembly used for connecting the retaining wall structure and the filling body; the retaining wall structure comprises a side slope retaining wall abutting against a newly-built roadbed side slope, a horizontal baffle abutting against the top of the newly-built roadbed, a one-way geogrid arranged at the bottom of the newly-built roadbed, a foot wall arranged at the end, away from the horizontal baffle, of the side slope retaining wall and a drainage ditch adjacent to the foot wall, and the horizontal baffle is connected with the side slope retaining wall. The end, away from the slope retaining wall, of the horizontal baffle is erected on the horizontal plane of the existing roadbed, the first reinforcing assembly comprises a reinforcing rod, one end of the reinforcing rod is arranged in the filling body, and the other end of the reinforcing rod is arranged in the existing roadbed. The connecting structure has the effect of improving the connecting stability of the newly-built roadbed and the existing roadbed so as to improve the safety and stability of the newly-built roadbed.

The invention discloses a method for vertically and obliquely excavating an oversized section skewback foundation on a strong unloading zone stratum, which comprises the following steps of: simultaneously excavating the skewback foundation and a pier base foundation connected with the skewback foundation from top to bottom; firstly, a vertical pier base foundation is excavated, and an operation platform is provided for follow-up construction; part of skewback foundations in the same horizontal plane are synchronously excavated when the vertical pier base foundations are excavated; and then the rest of the skewback foundations are excavated. The vertical pier base foundation is excavated firstly, the problem that no construction road exists on site is solved, an operation platform is provided for follow-up construction, the construction difficulty is reduced, and the construction efficiency is improved; during vertical excavation, strong unloading zone stratum slope protection is synchronously enhanced, it is guaranteed that the excavation process is safe and reliable, and the excavation construction efficiency of the oversized section skewback and pier base foundations is greatly improved.

This invention relates to the field of slope engineering monitoring and stability control technology, specifically an intelligent adjustment system and method for improving the stability of expansive soil slopes. It includes: a data monitoring module, a network modeling module, a damage identification module, a risk assessment module, a graded control module, and a dynamic update module. By constructing a fracture network topology model, the system calculates the change in the number of connected paths from the slope surface boundary to the slope toe boundary before and after adding virtual fractures and expanding fractures. Combined with network topology location parameters, it calculates a penetration risk score, proactively moistens high-risk potential fracture initiation points, and establishes a moisture content gradient distribution in the lateral non-penetrating area for high-risk fracture endpoints to guide fracture deflection, achieving proactive preventative control and significantly improving slope stability.

The utility model relates to a paddy field high-position ditch pit soft-shelled turtle breeding and tail water discharging system which comprises a breeding ditch pit arranged at a relatively high terrain position on one side of a paddy field; a geomembrane impermeable layer is laid in the ditch pit and covers the pit bottom and the side wall of the ditch pit; the impermeable layer at the pit bottom is filled with a backfill soil layer for soft-shelled turtle breeding; at least one first water outlet is formed in the side wall of the breeding ditch pit, and the first water outlet is formed close to the top of the backfill soil layer; the drainage pipeline system comprises a main drainage pipeline and a drainage branch, and the main drainage pipeline is connected to the first drainage port; the rice field area is divided into a plurality of independent irrigation units, and each irrigation unit is correspondingly provided with at least one drainage branch. According to the scheme, soft-shelled turtles can be managed in a centralized mode, and meanwhile tail water of soft-shelled turtle breeding is fully used for providing nutrients for rice fields.

The present invention discloses an ecological restoration method for a soil borrowing site, comprising: ① the first step of stripping the existing surface planting soil of the soil borrowing site and piling it for standby; ② excavating and taking soil in the soil borrowing site, shaping it into a slope structure with energy dissipation steps, and excavating drainage ditches around the soil borrowing site; ③ after the soil is taken, laying the stripped planting soil obtained in step 1 on the slope surface to form a planting soil layer for planting herbaceous plants and tree species maintained by plant nails; wherein the plant nails include pineapple-shaped plant nails for planting horizontal root type and composite root type tree species, and honeycomb coal-shaped plant nails for planting vertical root type tree species. The present invention is conducive to forming a root-soil complex with strong erosion resistance, and strengthening the slope protection and greening of the soil borrowing site.

This utility model relates to the field of ecological slope protection technology, and discloses an ecological slope protection structure for waterway dredging. It includes a slope surface, a slope protection structure on the top surface of the slope surface for stabilizing the slope, a plant support frame mechanism on the top surface of the slope protection structure for supporting longer plants, and a plant box assembly on the top surface of the slope protection structure for providing plant growth space. The slope protection structure includes a concrete layer on the top surface of the slope surface, with multiple drainage channels inside the concrete layer, and anchor bolt assemblies on the top surface of the drainage channels. In this utility model, by laying a concrete layer on the surface of the slope, the retaining wall enhances the slope stability, while the slope protection bag and plant box assembly provide a stable growth space for plants, fix the soil, and prevent soil erosion.

The utility model discloses a pipeline type water filtering system for stoping water-containing tailings, which comprises a plurality of groups of drainage pipes which are matched for use, the drainage pipes are respectively arranged on a slope surface of a drainage platform which is distributed in a step mode in a stoping area, and the stoping area is divided into stoping subareas according to the particle size and the water content condition of the tailings. The steps of the subarea needing drainage are sequentially arranged into a recovery platform and a drainage platform at intervals, the seepage drainage pipe comprises a conical head section and a seepage drainage pipe section, the seepage drainage pipe is fixedly connected with the conical head section in a threaded mode, a plurality of seepage drainage holes are formed in the upper half portion of the seepage drainage pipe, and the outer surface of the seepage drainage pipe is wrapped with geotechnical cloth. The seepage drainage pipes are obliquely mounted on the slope surface of the drainage platform respectively, and the inclination direction of the seepage drainage pipes is upward from the seepage drainage pipe sections to the conical head sections. The mining platform is reasonable in structural design, aiming at tailings with overhigh water content, a water filtering system is arranged in a mining area in advance, water contained in the tailings is drained through the seepage drainage pipe, seeping water is introduced into the water collecting tank through the U-shaped water guide plate for centralized treatment, and the water in the mining platform is remarkably reduced.