Sicherheitsmaßnahmen und Betriebsvorkehrungen beim statischen Gesteinsbrechen
Static Rock Breaking Safety Measures and Operating Precautions
Static rock breaking agents can provide a non-explosive option for rock and concrete demolition, but they must still be handled as potentially hazardous construction materials. Safe work depends on suitable personal protective equipment, correct mixing, proper borehole preparation, and disciplined site control.
Only authorized workers should enter the work area. Operators should wear a safety helmet, chemical-resistant gloves, protective footwear, work clothing, and splash-resistant safety glasses. Eye protection is especially important because static demolition agents may generate heat and can be alkaline or corrosive when mixed with water.
One key risk is borehole blowout or ejection. This can occur when the reaction develops too quickly, the agent is overfilled, air gaps remain inside the hole, the borehole temperature is excessive, the hole design is unsuitable, or the drilled hole is too large or overly smooth. Operators should never position their face directly above or in front of a loaded borehole.
After the material is placed, workers should move away from the loading point and use suitable cover material where required by the product instructions. Crack development should be observed from a safe position. Clean water and towels should be available at the job site so that any material contacting skin or eyes can be flushed immediately. Serious exposure requires prompt medical attention.
Reaction time should be controlled only with additives specifically approved by the product supplier. Unapproved chemical additions can create unpredictable reactions and should never be used. The agent must not be mixed or stored in sealed containers, bottles, or improvised vessels because pressure buildup may create a dangerous rupture hazard.
Boreholes that were recently drilled or washed may have elevated wall temperatures. Operators should confirm that hole temperature, cleanliness, and condition meet the manufacturer’s requirements before loading. The material should also be stored away from moisture and direct sunlight. Once opened, unused product should be sealed immediately.
Before beginning work, all personnel should read and understand the product instructions, project safety plan, emergency procedures, and required exclusion zones. Static rock breaking can reduce some risks associated with conventional blasting, but it does not remove the need for trained operators, site supervision, protective equipment, and disciplined operating practices.
