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The U.S. Department of Energy's Office of Scientific and Technical Information.
Introduction Diaphragm Wall is generally reinforced concrete wall constructed in the ground using Underslurry technique which was developed in Europe. The technique involves excavating a narrow trench that is kept full of an engineered fluid of slurry. Walls of thickness between 300 and 1200 mm can be formed in this way up to a depths of 45 meters.
Principal unique hazards associated with the slurry walls include: a. Physical Hazards. (1) Description: During soil excavation, workers may be seriously injured or killed by heavy equipment such as front-end loaders and backhoes. This equipment may also generate excessive noise during operation, presenting a noise hazard to workers.
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