What is known as a "trunkline" in the context of detonating cords?

What is known as a "trunkline" in the context of detonating cords?

• A. The length of the cord in the hole
• B. The detonating cord with which either branchline and downlines are attached
• C. The secondary connection to maintain detonation
• D. The primary charge used in single blasts

Answer: (B)

In the context of detonating cords, a "trunkline" refers to the main section of the detonating cord to which either branchlines and downlines are attached. This configuration allows for a controlled and coordinated detonation of explosives, facilitating a simultaneous or sequential blast effect across multiple charges connected to the trunkline. By using a trunkline, blast patterns can be effectively managed to optimize fragmentation and minimize vibrations. Understanding the role of the trunkline is crucial for blast design and execution in mining operations, ensuring that all explosives are detonated in a manner that enhances safety and efficiency.

In the context of detonating cords, a "trunkline" refers to the main section of the detonating cord to which either branchlines and downlines are attached. This configuration allows for a controlled and coordinated detonation of explosives, facilitating a simultaneous or sequential blast effect across multiple charges connected to the trunkline. By using a trunkline, blast patterns can be effectively managed to optimize fragmentation and minimize vibrations.

Understanding the role of the trunkline is crucial for blast design and execution in mining operations, ensuring that all explosives are detonated in a manner that enhances safety and efficiency.