Silicon powder suddenly-expanded cavern structure adopted at water delivery system valve segment and construction method thereof

A technology for a water delivery system and a construction method, which is applied in ship lifting devices, climate change adaptation, ship locks, etc., can solve problems such as the inability to adapt to the difficult technical requirements of ship lock development, and achieves excellent decompression effect, simple structure, and over-expansion. The effect of flow cross section

Active Publication Date: 2012-11-21
POWERCHINA HUADONG ENG COPORATION LTD
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Problems solved by technology

[0004] For the construction of large-scale ship locks, the current design codes can no longer meet the difficult technical requirements of ship lock development. It is necessary to break through the codes and regulations and research innovative results to solve the technical problems in the water delivery valve section of high water head ship locks

Method used

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  • Silicon powder suddenly-expanded cavern structure adopted at water delivery system valve segment and construction method thereof
  • Silicon powder suddenly-expanded cavern structure adopted at water delivery system valve segment and construction method thereof
  • Silicon powder suddenly-expanded cavern structure adopted at water delivery system valve segment and construction method thereof

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Embodiment Construction

[0022] figure 1 , figure 2 Shown is the structural diagram of the valve section of the high-head ship lock water delivery system in this embodiment, which includes the bottom plate 6 and side piers 7 on both sides constituting the water delivery system valve section, and the water delivery corridor 8 runs through the upstream and downstream of the ship lock. The upstream section of the water delivery corridor is provided with a valve tank 4 . The feature of this example is that the bottom and both sides of the water delivery corridor 8 close to the valve groove 4 are expanded downward and to both sides to form an enlarged cavern structure, and the bottom expansion part 1 is formed after the downward expansion. , to form the side expansion part 2 after suddenly expanding to both sides. Another feature is that a layer of 40cm thick high-strength silica fume concrete is wrapped outside the entire water delivery corridor 8 after the sudden expansion, which can also be considered...

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Abstract

The invention relates to a silicon powder suddenly-expanded cavern structure adopted at a water delivery system valve segment and a construction method thereof, aiming at breaking through the bottle neck of a high head ship lock design, developing application range of the ship lock, reducing construction investment, and realizing good pressure-reducing effect. The technical scheme of the invention is as follows: the water delivery system valve segment adopts a silicon powder suddenly-expanded cavern structure which comprises base plates forming the ship lock water delivery system valve segment and side blocks at two sides of the valve segment; a water delivery channel passes through the upstream and downstream of the ship lock; and a valve groove is arranged at the upstream segment of thewater delivery channel. The silicon powder suddenly-expanded cavern structure is characterized in that an expanded cavern structure is formed by externally expanding the bottom of the water delivery channel adjoining the valve groove and at two sides thereof; and the whole suddenly-expanded water delivery channel is equivalent to be coated with a layer of high-strength silicon powder concrete. The silicon powder suddenly-expanded cavern structure of the invention is mainly used for solving the technical difficulty of unsteady flow cavitation of the high-head ship lock water delivery valve segment.

Description

technical field [0001] The invention relates to water conservancy and hydropower projects and water transportation and transportation projects, in particular to a cavern structure using silicon powder sudden expansion in the valve section of a water delivery system and a construction method thereof. It is mainly used to solve the technical problem of unsteady flow cavitation in the water delivery valve section of high water head ship lock. Background technique [0002] Navigable buildings are an important building type for water conservancy and hydropower projects to solve ships passing dams, realize river channelization and communicate with different water systems in inland water transportation, and occupy a very important position in the comprehensive utilization of water conservancy and hydropower projects and water transportation. Among the more than 900 navigable buildings built in my country, there are more than 800 ship locks. [0003] As more and more high-head ship...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02C1/00
CPCY02A10/30
Inventor 扈晓雯吴关叶侯继平
Owner POWERCHINA HUADONG ENG COPORATION LTD
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