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Splayed cylinder mould sand barrier of weed-tree fence net and sand trapping construction method thereof

A construction method and figure-of-eight technology, which can be used in infrastructure engineering, soil protection, construction, etc., and can solve the problems of failure and high construction cost.

Inactive Publication Date: 2012-02-22
娄志平
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, in the control of desertification, planting psammophytes after sand-fixing with construction grass grids and plastic grid grids is very effective for ecological restoration, but for fixing continuous mobile sand dunes that are very dry and unsuitable for plant growth, the above method not only costs a lot. High, and will soon be covered by quicksand and fail

Method used

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  • Splayed cylinder mould sand barrier of weed-tree fence net and sand trapping construction method thereof
  • Splayed cylinder mould sand barrier of weed-tree fence net and sand trapping construction method thereof
  • Splayed cylinder mould sand barrier of weed-tree fence net and sand trapping construction method thereof

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Embodiment Construction

[0013] The eight-shaped net cage sand barrier 1 is composed of two mixed wood fence nets 2 with a width between 25cm and 45cm and a porosity between 30% and 60%. Top edge is connected with nylon thread 3, and bottom edge can open 60 ° of angles to 70 ° of angles, constitutes a figure-of-eight net cage sand barrier.

[0014] The sand-fixing construction method of the eight-shaped net cage sand barrier with miscellaneous wood fence net is to move the sand at the top of the sand ridge line of the mobile dune to the windward slope by 60cm to 150cm, level a sand ridge platform with a width of more than 60cm, and dig intervals on the platform. 20cm, 15cm to 25cm deep in two ditches, open and tighten miscellaneous wood fence net splayed net cage sand barrier 1, place the two bottom sides separately and face down in the two ditches, and then fill the excavated sand Two ditches, and then pile up the desert sand to the upper half of the cage sand barrier, and embed the miscellaneous woo...

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Abstract

The invention aims at providing a splayed cylinder mould sand barrier of a weed-tree fence net and a sand trapping construction method thereof and belongs to the technical field of desertification controlling projects. The splayed cylinder mould sand barrier of the weed-tree fence net are formed by combining two crossed and mixed weed-tree fence meshes with the length of 10 meters, the width of 25 to 45cm and the porosity degree of 30-60 percent; top sides of the two crossed and mixed weed-tree fence meshes are connected by nylon lines; and bottom sides of the two crossed and mixed weed-tree fence meshes can be opened to be 60-70 degrees so as to form the splayed cylinder mould sand barrier. Sand on the steeple top of a sand ridge line is moved towards the direction of a windward slope by 60-150cm at the top of a traveling dune to smoothen a sand ridge platform with the width of over 60cm; the splayed cylinder mould sand barrier of the weed-tree fence net is in the sand ridge platform; the height of the exposed top of the splayed cylinder mould sand barrier is only less than 15cm; and when the flowing quicksand pile in desert is embedded to the part which is 30cm higher than the top of a cylinder mould or the sand ridge line is shifted forwards for 150cm, the construction is repeated by using the method and the traveling dune can become a stand blocking dam changed from the forward movement to the upwards piling movement.

Description

technical field [0001] The invention relates to the technical field of sand control engineering, in particular to a splayed-shaped net cage sand barrier of miscellaneous wood fence net and a sand blocking construction method thereof. Background technique [0002] At present, in the control of desertification, planting psammophytes after sand-fixing with construction grass grids and plastic grid grids is very effective for ecological restoration, but for fixing continuous mobile sand dunes that are very dry and unsuitable for plant growth, the above method not only costs a lot. High, and will soon be covered by quicksand and fail. Aerial sowing afforestation is difficult for seeds to germinate and survive on extremely arid sandy sand dunes. Therefore, a kind of eight-shaped fence net with miscellaneous wood is invented, which is low in production cost, convenient in construction, and can quickly fix mobile sand dunes without polluting the environment. Cage sand barriers and ...

Claims

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Application Information

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IPC IPC(8): E02D3/00
Inventor 娄志平
Owner 娄志平
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