Spillway tunnel bottom plate construction method
A construction method and spill tunnel technology, applied in the field of spill tunnel floor construction, can solve the problems affecting the water intake effect of the spill tunnel and the reduction of water flow in the spill tunnel, so as to improve safety protection, improve construction quality, and ensure condensation. the effect of strength
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[0018] The technical solution of the present invention is further described below, but the scope of protection is not limited to the description.
[0019] The invention provides a construction method for the bottom plate of a spillway, comprising the following steps:
[0020] In the target area, excavate the underground earth and stone in stages to form multiple straight tunnel sections and multiple curved tunnel sections. All the straight tunnel sections and curved tunnel sections are finally connected in sequence according to the excavation sequence to form a spillway tunnel, and at the same time, extend along the spillway tunnel The floor units are built step by step in the direction, and all the floor units are finally connected in sequence to form the spillway floor, and when it is in a straight tunnel section, the length of the corresponding floor unit is less than 8m; when it is in a curved tunnel section, the corresponding floor unit The unit length is less than 4m.
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