Concrete pouring method for tubular turbine unit runner of navigation-power junction engineering
A concrete and through-flow technology, applied in the direction of infrastructure engineering, construction, etc., can solve the problem of difficult quality control of the curved surface of the flow channel, so as to achieve the satisfaction of plastering surface quality and linear control, increase the contact area, and ensure flatness and quality effects
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[0034] see Figure 1~6 Among them, a concrete pouring method for the flow channel of the tubular unit of the navigation and power hub project, including the following steps:
[0035] 1) Prefabrication of the formwork baffle 5: one side of the formwork baffle 5 is provided with a reserved hole 6 for the circular steel bar on the side wall of the flow channel, and the formwork baffle 5 is connected to the annular steel bar 4 on the side wall of the flow channel through the mold back corrugated locking buckle 7;
[0036] 2) Installation of template baffle plate 5: the flow channel is divided into a horizontal section 1 of the flow channel and a curved surface structure section 8 of the side wall of the flow channel. The annular steel bar 4 of the side wall of the flow channel is arranged in the flow channel, and the bottom of the curved surface structure section 8 of the side wall of the flow channel The foundation 3 of the structure section of the side wall of the flow channel i...
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