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Shallow foundations and stairs adjacent to the shallow foundation
Shallow foundations and stairs adjacent to the shallow foundation
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机译：浅基础和靠近浅基础的楼梯
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摘要
1. shallow foundation, preferably for low-rise buildings, comprising laid over the waterproofing layer disposed on the compacted sand or sand-based macadam layer monolithic reinforced footing of the upper and lower belt of the concrete slab, on the perimeter of which is situated at the top with generator part of the concrete slab ledge offset from the edge to the center of the concrete slab socle, made of concrete, preferably monolithically formed or brickwork, the width of the shoulder, at least, part of its length is not more than half of the cap thickness and the layer footing spans across the waterproofing layer, the edge of which is derived to the ledge, the concrete slab around its perimeter, preferably on its entire thickness and the upper end is in contact with the formed at least in part perimeter ledge blind area in the zone and the space above the concrete slab limited cap, filled by at least 50% of the volume of said space, by layers packed inert particulate material such as sand krupnosti.2 medium. Shallow foundation according to claim 1, characterized in that the thickness of the footing concrete thickness is 0.2-0.4 plity.3. Shallow foundation according to claim 1 or 2, characterized in that the concrete slab formed inclined or vertical, preferably heat insulated channels for input or output pipes in a building or sooruzhenie.4. Staircase adjacent to the shallow foundation according to claim 1, comprising a fiber reinforced, preferably a metal grid, a flight of stairs to the lower horizontal support portion immersed in compacted sand
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