Retaining the construction technology of welded waterstop flange in the middle of the crd
A technology of water-stop flange and construction technology, which is applied in the direction of shaft equipment, shaft lining, mining equipment, etc., and can solve problems such as complex procedures, large ground and pipeline settlement, etc., to speed up construction progress, ensure construction safety, and waterproof construction quality Guaranteed effect
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[0019] During the construction of the second lining, the I-beam on the middle partition of the underground excavation tunnel is temporarily reserved, and the water-stop flange is welded within the range of the second lining on the top and bottom of the I-steel, and the waterproof board is laid along the "L" shape of the middle partition, and metal steel hoops and water-resistant Expansive water-stop glue strengthens the construction process of waterproofing.
[0020] The welded water-stop flange within the second lining range of the I-beam top and bottom of the temporary middle partition is that the temporary middle partition within the second lining range is welded with a 5mm steel plate as the water-stop flange, and the size of the water-stop flange steel plate is 420×300mm, divided into two parts. A piece of steel plate is processed and butted, and then welded tightly with the I-beam. After the welding of the water-stop flange is completed, apply 2cm wide and 1cm thick wate...
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