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Village and town building torrential flood and debris flow protection system and design method

A protection system and debris flow technology, which is applied in the field of mountainous human settlement environment management and mountain disaster prevention and control technology, can solve problems such as no specific solutions, achieve low maintenance costs, realize the effects of village and town architectural landscapes, and good environmental coordination

Active Publication Date: 2021-06-11
INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no specific plan for the combination of ecological engineering measures and geotechnical engineering measures for village and town buildings.

Method used

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  • Village and town building torrential flood and debris flow protection system and design method
  • Village and town building torrential flood and debris flow protection system and design method
  • Village and town building torrential flood and debris flow protection system and design method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Such as Figure 1 ~ Figure 8b Shown, complete the protection of mountain torrent and mud-rock flow disaster for certain village and town building with the scheme of the present invention.

[0056] A village is located on an accumulation fan downstream of a small watershed. Small-scale torrents or dilute mud-rock flows often occur in this watershed, and mountain rivers often change course when passing through accumulation fans, making both sides of buildings in this village and town vulnerable to threats. In order to prevent larger or more direct disaster risks, the scheme of the present invention is adopted to provide a disaster protection scheme for the buildings here.

[0057] figure 1 It is a schematic diagram of the structure of the torrent and debris flow protection system for buildings in villages and towns (the arrow in the figure shows the direction of the torrent and debris flow). With the building area 3 as the center and facing the direction of the torrent...

Embodiment 2

[0082] The scheme of the invention is used to complete the protection of mountain debris flow for a certain village and town building. The same parts as in Embodiment 1 will not be repeated, and the difference lies in the design method of the protection system.

[0083] In this embodiment, since there are no obvious restrictions on the implementation of the project, a computational design scheme is used to complete the design steps of determining the basic structure of each group of protection systems.

[0084] 1. On-site surveys in villages and towns to obtain basic data

[0085] Same as embodiment one.

[0086] 2. Determine the location and main specifications of the torrent and debris flow protection system for buildings in villages and towns

[0087] Same as embodiment one.

[0088] 3. Determine the basic structure of each group of protection systems

[0089] For each group of protection systems, the determination of the location and quantity of the building area 3, th...

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Abstract

The invention discloses a village and town building torrential flood and debris flow protection system and a design method. According to the village and town building torrential flood and debris flow protection system, a building area serves as the center, a plant zone and a blocking-guiding device which are tightly connected with each other are sequentially arranged from inside to outside in the torrential flood and debris flow direction, the blocking-guiding device is of a pile-in-row pull net structure and comprises a blocking section and a guiding section which extends at the side end of the blocking section and forms an included angle alpha, the blocking section is perpendicular to the flow direction of torrential flood debris flow, and the blocking section and the extending line of the guide section form a half-surrounding space for the building area. The whole system forms a pile forest type structure from the anti-collision pile to the arbor trunk and then to the shrub stem, and the comprehensive effects of intercepting and filtering layer by layer and adjusting the flow speed of fluid layer by layer are achieved; the system can greatly weaken the final impact destructiveness of disaster fluid to the building area; and the system is low in construction and maintenance cost, and the comprehensive prevention and treatment efficiency can be improved along with the increase of operating years. The invention further provides a design method of the village and town building torrential flood and debris flow protection system.

Description

technical field [0001] The invention relates to a mountain disaster protection system and a design method, in particular to a mountain torrent debris flow protection system and a design method suitable for village and town buildings, and belongs to the technical fields of mountain disaster prevention technology and mountain human settlement environment management technology. Background technique [0002] Torrents and debris flows are typical types of mountain disasters, and they are also common types of disasters in small watersheds. When the upper reaches of the river basin are affected by sudden events such as short-term heavy rainfall, ice and snow melting, and dam failures, the water level in the ditch rises sharply and carries a large amount of solid objects such as sediment, rocks, and driftwood to move downstream quickly. The facility has a huge destructive effect. In mountainous areas, populated areas are generally distributed on both sides of the river / ditch along ...

Claims

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Application Information

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IPC IPC(8): E02D17/20E01F7/04G06F30/13G06F30/20
CPCE02D17/20E02D17/202E01F7/045G06F30/13G06F30/20G06F2113/08
Inventor 陈剑刚陈晓清赵万玉司光武崔文榕
Owner INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
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