CN100402756C - 活网栅截泥坝 - Google Patents

活网栅截泥坝 Download PDF

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CN100402756C
CN100402756C CNB2004100007647A CN200410000764A CN100402756C CN 100402756 C CN100402756 C CN 100402756C CN B2004100007647 A CNB2004100007647 A CN B2004100007647A CN 200410000764 A CN200410000764 A CN 200410000764A CN 100402756 C CN100402756 C CN 100402756C
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刘平
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

活网栅截泥坝是生物防治水土流失的新方法。主要特点是用活的树桩,编成网状栅。由两组同样结构的网栅平行排列组成。其间填入卵石与粗沙,这样网栅坝可让地表径流的水渗漏走,而把泥土截流下来。达到防治水土流失的目的。网栅上能萌生出树,使之成为绿篱式的截泥坝。它除能有效的截住泥土,逐渐使坡地变成梯田,彻底解决水土流失外,还有绿化美化的生态效益。本项新技术造价低,使用寿命长,适用范围广,结构简单,容易施工,推广应用容易。

Description

活网栅截泥坝
技术领域:
属于水土保持,拦截泥土,治理土坡、侵蚀沟、防治水土流失的生物栅拦泥坝。
背景技术:
当前水土保持,广泛采用的是植树种草。因一般的植树方法成活率低,见效也慢,生长慢,郁闭成林的时间长(10年),而且只是对山坡的水土流失有效果。据试验调查表明,水土流失90%的泥沙是直接来自侵蚀沟。所以水土保持必须沟坡兼治,而且治沟是重点。侵蚀沟的泥土流失,是侵蚀沟沿发生重力崩塌,造成大量的泥土堆入沟底。当雨季山洪袭来时把沟底的泥土冲走,之后沟沿继续崩塌,再次冲走。长此以往,侵蚀沟越冲越宽越深。所以水土流失量只增不减。
治沟采用现有的植树方法,因树木的重量能增加沟沿的崩塌,所以不适用,治理侵蚀沟应采用新法植树与活网栅截泥坝配套,才是科学的有效方法。拦泥坝有混凝土(墙)或砌石(墙)土坝等。前两种造价高不能普遍使用,堆土坝又不够坚固。而活栅截泥坝不仅造价低廉又牢固,而且还有绿化美化环境的生态效益和直接经济效益。所以是水土保持中先进的新技术。
发明目的:
有效的防治水土流失,保护土地,既为当今的可持续发展打基础,又为子孙后代求生存保平安。
发明内容:
采用生长快,萌生力旺盛,并适合于当地环境条件的树种(苗木)。去掉苗冠,只用带有根的苗桩(径粗5-8cm,高1.4m),如图(1),斜植成网状栅栏(埋入土中40cm,露在外面1m,树桩间距0.25-0.5m,栅栏网孔内径0.25-0.5m),活网栅截泥坝由两排同样结构的栅栏组成,前后栅栏间距为1-2m。中间填卵石和粗沙。
效果:
该截泥坝能让地表径流的水渗漏走,并把泥沙拦截住。这种栅栏还能萌生出树木,使之成为活的绿篱式网状截泥坝。所以叫活网栅截泥坝。他既有拦截泥土又有绿化环境的双重作用,可广泛用于水土保持的流域治理。
附图说明:
图(1)是设置在侵蚀沟口的活网栅截泥坝示意图。1、侵蚀沟沿;2、带根的活木桩(径粗5-8cm,木桩间距0.25-0.5m);3、活网栅中的卵石;4、活网栅的菱形网孔。图(2)是活网栅截泥坝的俯视图。
具体实施方案:
在侵蚀沟的沟口和水土流失严重的土坡,沿等高线设置活网栅截泥坝,有效截住泥土,防止水土流失。它不仅可以截住地表径流冲刷来的泥土,还可使山坡逐渐变为梯田,该活网栅截泥坝就成为梯田的田埂(每年修剪一次,以保持绿篱状)。这样除栅栏上萌生出的树有绿化、美化作用外,还可在梯田上种植果树、药材等经济植物,这样便可从根本上解决该地区的水土流失问题。

Claims (1)

1.一种用于水土保持的活网栅截泥坝,其特征在于:采用生长快、萌力旺,并适合于当地环境条件的树种苗桩,即将苗木去掉苗冠,只用带有根的苗桩径粗5-8cm,高1.4米,斜植成菱形网孔的网状栅栏,苗桩埋入土中40cm,露在外面1m,苗桩间距0.25-0.5m,网栅间距为1-2m,用活苗桩栽成的两排网栅中间填卵石和粗沙,使之形成活网栅截泥坝;该截泥坝可使地表径流的水渗漏走,而把径流带来的泥土截住;可以把它设置在侵蚀沟口,亦可沿山坡等高线设置;从栅栏上可萌生出树,使之成为绿篱式的截泥坝;这种截泥坝可逐步把坡地变成梯田,活网栅截泥坝就成为梯田边的田坎。
CNB2004100007647A 2004-01-18 2004-01-18 活网栅截泥坝 Expired - Fee Related CN100402756C (zh)

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Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
CN1330830C (zh) * 2005-08-30 2007-08-08 云南省环境科学研究院 湖泊陡坎沿岸水域基底修复方法
CN101392510B (zh) * 2007-09-17 2011-04-06 王同洪 水库分隔清淤的方法及装置
CN103190314A (zh) * 2012-01-10 2013-07-10 吉林省水土保持科学研究院 生态过滤型沟头防护技术
CN103397613B (zh) * 2013-07-02 2016-07-06 沈阳农业大学 一种用于侵蚀沟治理的生物谷坊的建造方法
CN103650694B (zh) * 2013-12-05 2015-08-19 中国科学院东北地理与农业生态研究所 一种侵蚀沟复垦方法
CN104674766A (zh) * 2015-02-28 2015-06-03 福建容和盛食品集团有限公司 一种治理侵蚀沟的方法和装置
CN106049373B (zh) * 2016-07-22 2018-05-11 黄河勘测规划设计有限公司 泥石流拦挡重力坝体结构
CN109629653A (zh) * 2018-09-27 2019-04-16 北京北发生态园林有限公司 抑制坡地水土流失的方法
CN109729967B (zh) * 2019-03-19 2022-03-01 东北师范大学 一种生态堰

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JPH059915A (ja) * 1991-07-05 1993-01-19 Hokuriku Maintenance:Kk 網状体
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CN1282826A (zh) * 1999-12-07 2001-02-07 刘平 干根网状护坡法

Patent Citations (4)

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JPH059915A (ja) * 1991-07-05 1993-01-19 Hokuriku Maintenance:Kk 網状体
JPH07331662A (ja) * 1994-06-09 1995-12-19 Fujimi Green Eng Kk ダム湖、湖及び池等の湛水斜面の緑化工法
CN1259603A (zh) * 1999-11-12 2000-07-12 天津经济技术开发区总公司园林绿化公司 泥质海岸海挡生态引淤护坡技术
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