Articulated Concrete Block Guidelines and Performance of ACB's ...

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Example of the effect of block projection on stability for typical overtopping application: Downstream slope: 2H:1V Width: 10’ Discharge: 100 cfs (2.4 feet OT depth) Tapered Block Factor of Safety (zero projection): 1.7‐1.8 Factor of Safety (1/2” projection): 0.6‐0.8
7. Use of ACBs along the side‐slope of a channel that is part of an overtopping application may require a separate analysis for the side‐slope because of the different angles involved in the analysis.
Page 1 and 2: NJ’s Articulated Concrete Block G
Page 3 and 4: 1. Engineers must provide supportin
Page 5 and 6: This project began as an ACB design
Page 7 and 8: 4. Computations of the velocities a
Page 9: 6. If tapered blocks are specified,
Page 13 and 14: 8. ACBs must be cabled (cables para
Page 15 and 16: 10. Specifications must identify th
Page 17 and 18: Some examples of NJ dams that have
Page 19 and 20: Grover’s Mill Dam
Page 21 and 22: Skillman Lake Dam
Page 23 and 24: Skillman Lake Dam Erosion repaired
Page 25 and 26: Site of the former Skillman Lake Da
Page 27 and 28: Sylvan Lake Dam ACBs are bridging a
Page 29 and 30: Harrisonville Dam Converging Flow
Page 31 and 32: Harrisonville Dam
Page 33 and 34: Lake Riviera Dam Gaps not grouted E
Page 35 and 36: Cabling should be installed paralle
Page 37 and 38: Tapered block must be installed in
Page 39 and 40: If the mats don’t fit, cut the bl

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