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Slurry Wall

Slurry Wall. Why P ropose A S lurry Wall?. Slurry Wall: A barrier that impedes seepage Types of Slurry Wall Cement-Bentonite Soil-Bentonite Advantages Proven technology Low permeability Cost effective. Proposed Improvement. Point B. Point C. Desilting Basin. Slurry Wall 2.

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Slurry Wall

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  1. Slurry Wall

  2. Why Propose ASlurry Wall? • Slurry Wall: A barrier that impedes seepage • Types of Slurry Wall • Cement-Bentonite • Soil-Bentonite • Advantages • Proven technology • Low permeability • Cost effective

  3. Proposed Improvement Point B Point C Desilting Basin Slurry Wall 2 Slurry Wall 1 Point B • Slurry Wall 1 (A-B): • Length = 3,100 ft, Width = 2 ft, Depth = 18 ft • Slurry Wall 2 (B-C): • Length = 600 ft, Width = 2 ft, Depth = 25 ft Basin 1 Point A

  4. Slurry Wall Section San Gabriel River Basin 1 Canal 72” 30’ Slurry Wall 18’ NTS 2’

  5. Construction Sequence • Preliminary preparations • Substructure survey • Slurry material • Mixing pond

  6. Methods • Bentonite-Soil Slurry Mix: • Use on site soil • Laboratory mix design • Quality control • Installation Process: • Excavation: 20ft deep • Pump bentonite-soil slurry mix • Slurry prevents sidewall from caving in

  7. Feasibility • Adequate Access • Large Staging Area • Groundwater Trenching • Environmental • Alligator Weed • Equipment Cleaning • Bentonite removal Typical Bentonite Slurry Wall Operation

  8. Cost Total Cost = $533,000

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