Roller compacted concrete full package chute vertical conveying technology
A technology of roller compacted concrete and concrete, which is used in pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., to achieve the effect of small loss of VC value, low cost and strong continuity
Inactive Publication Date: 2009-01-07
SINOHYDRO BUREAU 16 CO LTD
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[0003] Retrieving novelties from related materials including Chinese patents shows that there is no construction technology of roller compacted concrete full pipe chute vertical conveying technology at home and abroad, and there is no relevant construction technology using this construction technology in equivalent roller compacted concrete dams. to report
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[0013] like figure 1 The volume of the upper storage box 1 shown is 8.6m 3 ; The diameter of the full-pipe chute full cylinder 2 and the full-pipe chute maintenance cylinder 3 is D = 600mm, which is a circular cross section, and the length of a single section is 1950mm / section, and two sections are removed for every 3.0m increase in the pouring height; the lower storage Box 4 volume is 3.6m 3 The support frame 5 is a 2-inch steel pipe; the receiving hopper 6 is a 6mm steel plate; the receiving hopper support frame 7 is ∠100×10 steel; the inlet and outlet arc door 8 is a pneumatic arc door; the connecting plate 9 is a 6mm steel plate; the rib plate 10 is 6mm Steel plate; bolt hole 11 is φ170; semicircular inspection cylinder 12 is composed of two R=300mm semi-cylinders; bolt hole 13 is φ170.
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The invention discloses a novel roller compacted concrete full pipe chute vertical transportation technology. Utilizing the full piping principle and the concrete gravity action can maintain the chute to be full piping at any time. Due to adopting the full piping enclosed transportation, the technology can effectively control the aggregate separation and decrease the loss of VC value. The invention comprises the design idea, the design, assembly and operation of the full piping chute, an upper and lower concrete storage tank, and a feeding and discharging concrete radial gate. The invention shows that adopting the roller compacted concrete full pipe chute vertical transportation technology to the roller compacted concrete vertical transportation is feasible, the construction technology is more economic, simple and easy assembled and disassembled, and can be widely popularized in the project according to the actual condition.
Description
technical field [0001] The invention relates to the vertical conveying technology of roller compacted concrete full-pipe chute, in particular to a novel construction technology for vertically conveying roller compacted concrete. Background technique [0002] During the construction of the roller compacted concrete dam of the Baisha Hydropower Station in Longyan, Fujian, due to the constraints of the engineering environment and the shore topography, the roller compacted concrete cannot be directly put into the warehouse by car. Usually vertical transportation adopts the concrete warehousing scheme in the form of arranging cable cranes, door cranes, negative pressure chutes, and belt conveyors. The scale of the Baisha project is relatively small, and it is impossible to invest in large equipment such as cable cranes. The negative pressure chute is used for vertical conveying construction technology, which has the advantage of fast speed, and the disadvantage of difficult layou...
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IPC IPC(8): F17D1/13
Inventor 王古亭刘金华刘辉王仁平吕孟静
Owner SINOHYDRO BUREAU 16 CO LTD
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