CN201062353Y - 组合式防浪拦沙堤 - Google Patents

组合式防浪拦沙堤 Download PDF

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Publication number
CN201062353Y
CN201062353Y CNU2006201648154U CN200620164815U CN201062353Y CN 201062353 Y CN201062353 Y CN 201062353Y CN U2006201648154 U CNU2006201648154 U CN U2006201648154U CN 200620164815 U CN200620164815 U CN 200620164815U CN 201062353 Y CN201062353 Y CN 201062353Y
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utility
model
dam
dike
sand
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李贺青
倪成君
贾挺平
屈建军
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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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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters

Abstract

本实用新型涉及一种用混凝土块组合堆砌而成的堤坝。它是由混凝土块的凸台、凹槽对接、组合而成的堤。混凝土块为棱台状，底宽为1.2米－1.7米，顶宽为0.3米－0.7米，高1.5米－1.7米，削角为0.5米×1.0米，底长2.5米－2.7米，混凝土块两断面有未通底的凸台、凹槽，并且底部有水孔。本实用新型解决了海岸海浪、风沙灾害防止的技术问题，拦阻了海上来沙，保护了堤后固沙网格免受波浪的破坏；延长堤后湿地的时间、扩大了堤后湿地的面积，对促进海岸地区的经济发展和国防建设发挥一定的作用。

Description

组合式防浪拦沙堤
技术领域
本实用新型涉及一种用混凝土块组合对接而成的堤坝。
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。根据长期观察观测，海岸风沙主要特点：一是沙面流动性大。在海风作用下，流沙不断运动，在海岸和滩涂形成平面或大小不等丘状，并不时发生位移和变化，难以固定；二是季风造成流沙堆积。根据当地气象资料统计，每年11月份至第二年3月份为海洋季风期，风浪大，周期长。经测算，每1000米海岸线，年季风和海浪带入海岸滩涂的流沙约为1.8万至2万立方米。大量流沙堆积、运动形成的沙害，造成道路被流沙阻隔、中断，场坪被流沙覆盖的景象；三是台风和海浪的破坏。夏秋两季，台风和高潮位偶合作用，海浪产生的巨大冲激力对海岸和滩涂的侵蚀，原有的固沙障被埯埋，国防设施受到毁坏，沿海军民工作、生活受到不同程度的影响。
发明内容
为解决沿海海岸风浪对国防设施造成的侵蚀毁坏，本实用新型的目的旨在提供一种组合式防浪拦沙堤，其利用棱台两断面有凸台、凹槽的混凝土块对接面成的堤坝，防浪拦沙，以此来防止海浪对海岸和滩涂的侵蚀，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和旅游事业的开发。
本实用新型的目的是这样实现的：
一种组合式防浪拦沙堤，它是由混凝土块的凸台、凹槽对接、组合而成的堤。混凝土块为棱台状，底宽为1.2-1.7米，顶宽为0.3-0.7米，高1.5米-1.7米，削角为0.5米×1.0米，底长2.5米-2.7米，混凝土两断面有未通底的凸台、凹槽，并且底部有水孔。
本实用新型的优点和产生的有益效果是：
1、由于潮汐的变化，海平面随着时间潮涨潮落，堤坝建于高低潮的什么位置始终是困扰海岸风沙灾害防止的一大难题。本实用新型发挥混凝土块易搬运、易移动、易对接的特点，在海岸和滩涂高低潮位之间选择适当位置建堤，防浪拦沙，解决了海岸海浪、风沙灾害防止的技术问题；
2、防浪拦沙堤有效拦阻了海上来沙
由于波浪遇到海堤后发生反射，对堤前产生冲刷作用，使得海沙不能堤前堆积，有效拦阻了海上来沙，并起到了消浪作用，保护了堤后固沙网格免受波浪的破坏；
3、延长堤后湿地的时间、扩大了堤后湿地的面积
潮水通过堤墙体之间的安装缝，过水孔和墙下的碎石基床进出，防浪拦沙堤对潮水具有阻水作用，使得潮水在堤后的驻留时间延长；退潮流还带走部分堤后的泥沙，使得堤后地面标高降低，扩大了堤后湿地的面积，利于岸滩的稳定。
附图说明
图1是本实用新型的示意图
图2是图1混凝土块示意图
具体实施方式
先建于海滩平台，平台四周为浆砌块石护坡，内部回填沙。然后砌筑组合式防浪拦沙堤。一种组合式防浪拦沙堤，它是由数块混凝土块2的凸台、凹槽对接、组合而成的堤1(见图1)。混凝土块2如图2所示，其形为棱台状，底宽为1.5米，顶宽为0.5米，高1.5米，削角为0.5米×1.0米，底长2.5米，混凝土块2两端面有未通底的凸台、凹槽，并且底部有水孔3。混凝土块凸台对接混凝土的凹槽，形成防浪拦沙堤。
当波浪涌向岸堤时，行程一段距离，波高逐渐减小，处于破碎状态，到达岸堤，由于波浪遇到海堤后发生反射作用，对堤前产生冲刷作用，使得海沙不能堤前堆积，有效拦阻了海上来沙，并起到了防浪作用。

Claims (1)

1.一种组合式防浪拦沙堤，其特征是它是由混凝土块(2)的凸台、凹槽对接、组合而成的堤(1)，混凝土块(2)为棱台状，底宽为1.2-1.7米，顶宽为0.3-0.7米，高1.5米-1.7米，削角为0.5米×1.0米，底长2.5米-2.7米，混凝土两端面有未通底的凸台、凹槽，并且底部有水孔(3)。
CNU2006201648154U 2006-12-02 2006-12-02 组合式防浪拦沙堤 Expired - Fee Related CN201062353Y (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261061A (zh) * 2010-05-25 2011-11-30 兰州铁道设计院有限公司 一种用于戈壁风沙防治的尼龙网栅栏
CN102666999A (zh) * 2009-10-09 2012-09-12 小韦伯斯特·皮尔斯 波浪抑制及沉积物收集系统
CN105109783A (zh) * 2015-09-18 2015-12-02 刘荣山 一种快速防洪阻水装置及其使用方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102666999A (zh) * 2009-10-09 2012-09-12 小韦伯斯特·皮尔斯 波浪抑制及沉积物收集系统
CN102666999B (zh) * 2009-10-09 2015-05-06 小韦伯斯特·皮尔斯 波浪抑制及沉积物收集系统
CN102261061A (zh) * 2010-05-25 2011-11-30 兰州铁道设计院有限公司 一种用于戈壁风沙防治的尼龙网栅栏
CN105109783A (zh) * 2015-09-18 2015-12-02 刘荣山 一种快速防洪阻水装置及其使用方法
CN105109783B (zh) * 2015-09-18 2017-04-19 刘荣山 一种快速防洪阻水装置的使用方法

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

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Termination date: 20121202