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现有的滤池排水装置由断面1.0×1.6米,长13.5米的中心渠组成,把滤池分成两个单独面积为60米~2,每个分别敷设13根直径200毫米,长4米的穿孔管。在管上方1米处设置由钢筋混凝土小梁组成的格栅形孔板(图1)。在孔板上敷设支承层:卵石高度
The existing drainage device of the filter pool is composed of a central channel with a section of 1.0 x 1.6 meters and a length of 13.5 meters. The filter is divided into two separate areas of 60 meters to 2 meters, each of which is laid with 13 diameters of 200 millimeters and 4 meters long. Perforated tube. A grid-shaped orifice plate composed of reinforced concrete girders was placed 1 meter above the tube (Figure 1). Place support layer on orifice plate: Pebble height