The high gas temperatures preclude the use of HEPA filters for contamination control, making the flame cutting ... The tool consists of a hydraulic cylinder that drives a wedge-shaped plug between two expandable guides (called feathers) inserted in the predrilled hole. ... Concrete may be separated at the fracture line using a backhoe mounted ram or similar equipment. ... Holes may be drilled from 1 to 3 ft (30 to 90 cm) apart to establish a fracture line for massive concrete sections.
Title | : | Radioactive waste technology |
Author | : | American Society of Mechanical Engineers, American Nuclear Society |
Publisher | : | - 1986 |
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