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当前位置:首页 > 新闻中心 > 新闻中心 > 人工湖修建需要哪些土工材料

人工湖修建需要哪些土工材料

来源:  更新时间:2022-06-08
人工湖湖底防渗设计要看设计部门的具体设计标准,大多设计为底部钠基膨润土防水毯,复合土工膜,或者是防渗土工膜,土工布。
The anti-seepage design of artificial lake bottom depends on the specific design standards of the design department. Most of them are designed as bottom sodium bentonite waterproof blanket, composite geomembrane, or anti-seepage geomembrane and geotextile.
膨润土防水毯由一层钠基或者钙基膨润土颗粒外覆土工织物,通过针刺或缝合的方法制成的环保生态复合防渗卷材。它遇水膨胀的特性在人工湖修建防渗处理时,应用比较多。
The bentonite waterproof blanket is made of a layer of sodium based or calcium based bentonite particles covered with geotextile, which is made of environmental protection and ecological composite anti-seepage coiled material by needling or stitching. It is widely used in the anti-seepage treatment of artificial lakes because of its water swelling characteristics.
复合土工膜是柔性的,在人工湖、水库等防渗工程中全赖下垫层土体的支撑而表现其作用。下垫层土体的作用是使复合土工膜受力均匀,免受部分会集应力的损坏。因而,下垫层土体的性质将大大影响复合土工膜的防渗作用。
The composite geomembrane is flexible, and its function depends on the support of the underlayer soil in the anti-seepage engineering of artificial lakes and reservoirs. The function of the underlay soil is to make the composite geomembrane bear uniform stress and avoid damage by partial convergent stress. Therefore, the properties of the soil under the cushion will greatly affect the anti-seepage effect of the composite geomembrane.
防渗膜防渗系数高—HDPE防渗膜具有普通防水材料无法比拟的防渗效果,HDPE防渗膜具有高强抗拉伸机械性,它优良的弹性和变形能力使其非常适用于膨胀或收缩基面,可有克服基面的不均匀防渗膜沉降。防渗土工膜在运输过程中不要拖拉、硬拽,避免尖锐物刺伤。
High anti-seepage coefficient of anti-seepage membrane - HDPE anti-seepage membrane has an anti-seepage effect unmatched by ordinary waterproof materials. HDPE anti-seepage membrane has high tensile mechanical properties. Its excellent elasticity and deformation capacity make it very suitable for expansion or contraction of base surface, and can overcome the uneven anti-seepage membrane settlement of base surface. Do not drag or drag the impervious geomembrane during transportation to avoid stabbing by sharp objects.
1、 应从底部向高位延伸,不要拉得太紧,应留有1.50%的余幅,以备局部下沉拉伸。考虑到本工程的实际情况,边坡采取从上到下的铺设顺序;
1. It shall extend from the bottom to the high position, and shall not be pulled too tightly. A margin of 1.50% shall be reserved for local sinking and stretching. Considering the actual situation of the project, the slope is laid from top to bottom;
2、 相邻两幅的纵向接头不应在一条水平线上,应相互错开1m以上;
2. The longitudinal joints of two adjacent frames shall not be on the same horizontal line, and shall be staggered by more than 1m;
3、纵向接头应距离坝脚、弯脚处1.50m以上,应设在平面上;
3. The longitudinal joint shall be more than 1.50M away from the dam toe and bend, and shall be set on the plane;
4、先边坡后场底;
4. Slope first and then site bottom;
5、边坡铺设时,展膜方向应基本平行于大坡度线。
5. During slope laying, the film spreading direction shall be basically parallel to the large slope line.
以上就是人工湖设计为大家介绍的内容,感谢您在百忙之中查看我公司的信息内容,如果您想要了解的更多,欢迎您来电进行咨询!http://www.sdjnjingguan.com
The above is what the artificial lake design introduced to you. Thank you for checking the information of our company in your busy schedule. If you want to know more, you are welcome to call us for consultation! http://www.sdjnjingguan.com
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