Method for phase interference based on water-softened joint rock mass concentrated directional blasting and slope damage control

By employing a phase-interference-based water-softened jointed rock mass shaped charge blasting method, which utilizes high-pressure grouting in boreholes and shotcreting on slope surfaces to repair fissures, combined with directional pre-splitting blasting and fluid-consuming explosive energy, the method solves the problem of rock mass damage control during remining, achieving efficient slope damage control and environmental protection.

CN122107891APending Publication Date: 2026-05-29CHINA MINMETALS CHANGSHA MINING RES INST +1
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA MINMETALS CHANGSHA MINING RES INST
Filing Date
2025-11-17
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

When remining abandoned open-pit mines, the rock mass is severely damaged by the interaction between water and rock. Blasting operations can easily cause slope collapse and environmental pollution. Existing technologies cannot effectively control rock mass damage and energy propagation.

Method used

A phase-interference-based directional blasting method for softened jointed rock masses using immersion and water is employed. This method repairs cracks through high-pressure grouting in boreholes and spraying grout on slope surfaces, combined with directional pre-splitting blasting and fluid-consuming explosion energy, to achieve precise damage control.

Benefits of technology

It significantly improves the crack filling rate, reduces vibration velocity, eliminates the risk of collapse and environmental hazards caused by explosive loads, and has high construction efficiency and high resource reuse rate.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122107891A_ABST
    Figure CN122107891A_ABST
Patent Text Reader

Abstract

The application provides a method for phase interference-based energy-gathering directional blasting of a water-soaked softening joint rock mass and slope damage control, and belongs to the technical field of slope damage control.The application realizes precise damage control of directional blasting of a water-soaked softening joint rock mass through multiple ways of joint-containing softening slope crack repair, main blasting area energy directional phase interference and fluid consumption of explosion energy, fuses rock mass damage dynamics, stress wave interference theory and environmental engineering, solves the problem that after a mine water body is soaked, the slope rock mass is softened, cracks develop and collapse is caused under explosion load, significantly improves crack filling rate, reduces vibration speed of the joint-containing softening slope, effectively eliminates collapse risk and environmental hazards caused by explosion load, has high construction efficiency, simple operation process, high reliability, high resource reuse rate and good use prospect.
Need to check novelty before this filing date? Find Prior Art