A Mix Design for Lining Concrete of Concrete-face Rock-Fill Dams

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Mix Design for Lining Concrete of Concrete-face Rock-Fill Dams

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A Mix Design for Lining Concrete of Concrete-face Rock-Fill DamsA concrete face rock-fill damAs defined by Wikipedia, a concrete-face rock-fill dam is a rock-fill dam with concrete slabs on its upstream face. This design offers the concrete slab as an impervious wall to prevent leakage and also a structure without concern for uplift pressure. In addition, theconcrete-face rock-fill dam design is flexible for topography, faster to construct and less costly than earth-fill dams.A typical mix design for lining concrete of rock-filled dams.ComponentsUnitQuantity

Cement OPCkg300

Puzzolankg45

Waterliter190

Sandliter835

Aggregate 510kg160

Aggregate 1020kg372

Aggregate 2040kg532

Plasticizerliter1.73

Air Entrained Agentliter0.1

Concrete Requirements: Compressive Strength: 25 MP (250 KG/cm2) Waterproofing Ability (stable water column): 8 bars Air content: 4-5% Slump: 8 + 2 cmThe proportion above is for indication. Depend of the project specifications and local materials, the mix design may change. Trials at lab shall be needed.