Wedge assembly and internal anchorage using the same

Wedge barrel for a mine roof cable bolt

Wedge barrel for a twin cable mine roof bolt

Welded wire component gabions and method of making the same and

Wheeled carriage assembly for trench shields

Wire earthen retention wall with separate face panel and soil re

Wire mat connector

Wire retaining wall apparatus and method for earthen formations

Wirewall with stiffened high wire density face

Work method for stabilizing and greening a slopeside of mudstone

Woven geosynthetic fabric with differential wicking capability

Woven geosynthetic fabric with differential wicking capability

Woven geotextile grid

Yield tube bolt assembly

Yield valve

Yieldable cable bolt

Yieldable confined core mine roof support

Yieldable connection

Yieldable load support

Yieldable mine post