FIELD: building, particularly foundations for large tanks.
SUBSTANCE: foundation comprises earth-fill pad, water-tight layer arranged below the pad, drainage system consisted of a number of pipelines arranged in earth-fill pad body. Trench filled with interchangeable filtering material is dug out along foundation perimeter. Watertight layer is inclined under the earth-fill pad and has upper end of hollow square shape so that the hollow square is inclined towards straight channel adapted to accumulate rain water and located in lower pad part. The straight channel is communicated with drainage vessel. Well with controlled gate is formed in front of the drainage vessel. Drainage system pipelines are formed of perforated pipelines communicated one with another and arranged along a circle and inside it.
EFFECT: increased reliability of emergency ground protection against pollution with hazardous product.
2 dwg
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