CN200974974Y - 覆网固沙障 - Google Patents

覆网固沙障 Download PDF

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Publication number
CN200974974Y
CN200974974Y CN 200620164814 CN200620164814U CN200974974Y CN 200974974 Y CN200974974 Y CN 200974974Y CN 200620164814 CN200620164814 CN 200620164814 CN 200620164814 U CN200620164814 U CN 200620164814U CN 200974974 Y CN200974974 Y CN 200974974Y
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sand
utility
model
net
bed surface
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屈建军
倪成君
张克存
贾挺平
李贺青
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Navy Logistics Department of the PLA
Cold and Arid Regions Environmental and Engineering Research Institute of CAS
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Cold and Arid Regions Environmental and Engineering Research Institute of CAS
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Abstract

本实用新型涉及一种适宜我国沿海地区风沙防治的固沙障,它是由网和竹撅组成,网面有孔,孔径为1.5mm×1.5mm~1.5mm×1.8mm,孔隙度为52-58%;竹撅呈倒勾状,高度为30-40cm,宽3-5cm。本实用新型起到阻截运动气流与床面的相互作用,阻止流沙移动。覆网铺设在海岸沙床面,较之砾石、粘土覆盖固沙,取得了理想效果,既经济实用,又起到稳定沙面的目的。对于改善生态环境,维护国防设施安全都起到很好的作用。

Description

覆网固沙障
技术领域
本实用新型涉及一种治理沙害的固沙障,尤其是一种适宜我国沿海地区风沙防治的固沙障。
背景技术
我国华东、华南沿海多为沙质岸线,海岸风沙灾害由来已久。近些年来,由于人工成功的培育,种草植树,构筑了沿海防护林带。林木的屏障效应,使得长期遭受风沙灾害的沿岸军民工作、生活有了基本保障。但在长达数千公里的海岸滩涂及部分不适宜生长树木的海岸,风沙灾害仍然十分严重。每逢海洋季风期,地表细沙随海风而起,流沙顺风向一定地区堆积,道路被流沙阻隔中断,场坪被流沙覆盖,严重制约了岸线港口、机场规划、工农业生产、旅游开发和国防设施建设。
发明内容
为解决沿海海岸风沙对国防设施造成的侵蚀破坏,根据长期观测,并结合海岸沙粒在海风作用下,发生位移和变化的特点,本实用新型旨在提供一种覆网固沙障,利用覆网中孔隙度与孔径间适度的比例,来稳定海风对地表流沙的影响,为沿海地区军民创造一个良好的工作、生活环境,保障国防建设的实施。
本实用新型的目的可以通过以下技术措施来实现:
一种覆网固沙障,是由网和竹撅组成,覆网床面有孔,孔径为1.5mm×1.5mm~1.5mm×1.8mm,孔隙度为52-58%;竹撅呈倒勾状,高度为30-40cm,宽3-5cm。
本实用新型的优点和产生的有益效果是:
材料易购,施工简单。海岸沙床面铺设覆网,网面设有合理的孔隙度和孔径,并钉有竹撅以固定覆网。风洞试验和实地铺设效果表明:覆网起到阻截运动气流与床面的相互作用,阻止流沙移动。覆网固沙较之砾石、粘土覆盖固沙取得了理想效果,既经济实用,又起到稳定沙面的目的。对于改善生态环境,维护国防设施安全都起到很好的作用。
附图说明
图1是本实用新型铺设海岸沙床面示意图
具体实施方式
如图1所示,一种覆网固沙障,是由PE经平网和竹撅2组成。网床面有孔3,孔径为1.5mm×1.5mm,孔隙度为55%,;竹撅呈倒勾状,高度为40cm,宽4cm。将网1铺覆在风洞沙床面,1M2见方钉4个竹撅2。风力输沙强度数据表明:当近地面的风速大于每秒4米时,0.1~0.25毫米粒径的沙粒就能被搬运形成风沙流。在本试验中,当自由风风速为8m/s时,连续吹风20分钟后,床面上没有起沙现象;后风速增大至10m/s,连续吹风15分钟,仅距床面2cm高度收集沙量0.051g,其余高度没有输沙;当风速增加到15m/s,各高度层均出现输沙现象。

Claims (1)

1、一种覆网固沙障,是由网(1)和竹撅(2)组成,其特征是网面有孔(3),孔径为1.5mm×1.5mm~1.5mm×1.8mm,孔隙度为52-58%;竹撅(2)呈倒勾状,高度为30-40cm,宽3-5cm。
CN 200620164814 2006-12-02 2006-12-02 覆网固沙障 Expired - Fee Related CN200974974Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620164814 CN200974974Y (zh) 2006-12-02 2006-12-02 覆网固沙障

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620164814 CN200974974Y (zh) 2006-12-02 2006-12-02 覆网固沙障

Publications (1)

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CN200974974Y true CN200974974Y (zh) 2007-11-14

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CN 200620164814 Expired - Fee Related CN200974974Y (zh) 2006-12-02 2006-12-02 覆网固沙障

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101942826A (zh) * 2010-10-08 2011-01-12 高尚 一种治理水土流失的草木同根网罩
CN102322053A (zh) * 2011-06-16 2012-01-18 娄志平 用杂木、竹、芦苇制作的固沙栅栏网及其制作方法
CN106049404A (zh) * 2016-07-19 2016-10-26 甘肃省治沙研究所 一种沙障结构及其制备方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101942826A (zh) * 2010-10-08 2011-01-12 高尚 一种治理水土流失的草木同根网罩
CN101942826B (zh) * 2010-10-08 2012-05-23 高尚 一种治理水土流失的草木同根网罩
CN102322053A (zh) * 2011-06-16 2012-01-18 娄志平 用杂木、竹、芦苇制作的固沙栅栏网及其制作方法
CN106049404A (zh) * 2016-07-19 2016-10-26 甘肃省治沙研究所 一种沙障结构及其制备方法
CN106049404B (zh) * 2016-07-19 2018-05-04 甘肃省治沙研究所 一种沙障结构及其制备方法

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ASS Succession or assignment of patent right

Owner name: BARRACKS DEPARTMENT, JUNGANG AIRPORT, NAVY LOGISTI

Free format text: FORMER OWNER: CHINESE ACADEMY OF SCIENCES COLD AREA ARID REGION ENVIRONMENT AND ENGINEERING RESEARCH INSTITUTE

Effective date: 20090327

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Address after: 19, two, West Ring Road, Haidian District, Beijing, zip: 100841

Co-patentee after: Inst of Cold and Drought Regions Environment and Engineering, Chinese Academy of

Patentee after: Navy Logistics Department of the PLA

Address before: Gansu City, Lanzhou province Donggang West Road No. 260, zip code: 730000

Patentee before: Inst of Cold and Drought Regions Environment and Engineering, Chinese Academy of

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071114

Termination date: 20121202