土工膜价格
土工膜生产厂家

hdpe膜分析化学特点很稳定

2020-02-20文章来源www.zhechina.cn作者:山东中辉环境工程有限公司270
1. 防渗土工膜是这种高透水率的柔性防水原材料. 2、防渗土工膜具备优良的耐温性和抗寒性,其工作中工作温度为高溫110℃,超低温-70℃. 3.防渗土工膜具备优良的有机化学可靠性. 4. 防渗土工膜具备较高的抗压强度强度,可满足高标准工程项目的要求.

1. Anti-seepage geomembrane is a flexible waterproof material with high permeability. 2. Anti-seepage geomembrane has excellent temperature resistance and cold resistance. Its working temperature is 110 C at high temperature and - 70 C at ultra-low temperature. 3. Anti-seepage geomembrane has excellent organic chemical reliability. 4. Anti-seepage geomembrane has high compressive strength, which can meet the requirements of high-standard engineering projects.

5. 防渗土工膜具备极强的耐老化和耐老化特性. 6、总体特性的防渗土工膜,HDPE防渗土工膜具备极强的抗压强度和拉伸强度,HDPE防渗土工膜可用以各种各样极端的地质学和气侯标准.对地质学不匀称地基沉降适应能力强.

5. Anti-seepage geomembrane has strong anti-aging and anti-aging characteristics. 6. Anti-seepage geomembrane with overall characteristics, HDPE anti-seepage geomembrane has very strong compressive strength and tensile strength. HDPE anti-seepage geomembrane can be used in various extreme geological and climatic standards. It has strong adaptability to the settlement of geologically asymmetric foundation.

聚乙烯地膜生产过程中,质检人员应按批次对地膜进行随机检验.检查项目包括以下三个方面:

In the production process of polyethylene film, the quality inspectors should carry out random inspection of the film in batches. The inspection items include the following three aspects:

1. 聚乙烯地膜的外观和物理性能包括:单位面积质量测定、振幅测定和厚度测定.

1. The appearance and physical properties of polyethylene film include the determination of mass per unit area, amplitude and thickness.

2. 聚乙烯地膜的力学性能包括:宽带材拉伸试验、梯形撕裂强度试验、CBR爆裂强度试验、降锥试验等.

2. The mechanical properties of polyethylene film include tensile test of broadband material, trapezoidal tear strength test, CBR burst strength test, cone-drop test, etc.

3.聚乙烯地膜的水力性能试验包括垂直渗透试验、静水试验等.

3. Hydraulic performance test of polyethylene film includes vertical permeability test and hydrostatic test.

土工膜具有很好的化学稳定性能

Geomembrane has good chemical stability

土工膜施工方法:

Geomembrane construction method:

1. 从底部向高处延伸,不要太紧,局部沉降延伸留有1.5%的余量.结合工程实际情况,坡面由上而下铺设.

1. It's not too tight to extend from the bottom to the top. The local settlement extension leaves a 1.5% margin. In combination with the actual situation of the project, the slope is laid from top to bottom.

相邻的两个纵缝不应在一条水平线上,应错开对方1米以上.

The two adjacent longitudinal joints should not be in a horizontal line, but should be staggered by more than one meter.

3、纵向接缝应距坝脚1.5米,弯曲脚时,应位于平面内.

3. Longitudinal joints should be 1.5 meters away from the dam foot. When bending the foot, it should be located in the plane.

4、先坡后田底.

4. Slope before field.

5. 铺坡时,薄膜方向应与最大坡度线基本平行.

5. When laying a slope, the direction of the film should be basically parallel to the maximum gradient line.

土工膜施工的气候要求:

Climate requirements for Geomembrane construction:

1. 温度应在5℃以上,低温土工膜应绷紧,高温土工膜应放松.

1. Temperature should be above 5 C. Low temperature geomembrane should be tightened and high temperature geomembrane should be relaxed.

2. 风力低于4级.

2. Wind power is below grade 4.

3.温度过低时,不宜使用4级以上的风、雨、雪.

3. When the temperature is too low, it is not advisable to use wind, rain and snow above grade 4.

4. 在多风天气,当风影响土工膜施工时,焊接的HDPE土工膜应用沙袋压紧.

4. In windy weather, when the wind affects the construction of geomembrane, the welded HDPE geomembrane should be compacted with sand bags.

土工膜的特性和功能:

Characteristics and functions of geomembrane:

1、不含化学添加剂,易无热处理,是环保建材.

1. No chemical additives, easy to heat treatment, environmental protection building materials.

具有良好的机械性能,良好的渗透性,抗老化.

It has good mechanical properties, good permeability and aging resistance.

3、具有较强的埋地电阻、耐腐蚀性能、蓬松结构,具有良好的排水性能.

3. It has strong buried resistance, corrosion resistance, fluffy structure and good drainage performance.

4、具有良好的摩擦系数和抗拉强度,具有岩土加固性能.具有隔离、过滤、排水、保护、稳定、加固等功能.6、能适应地基不平,能抵抗建筑外力破坏,蠕变较小.

4. It has good friction coefficient and tensile strength, and has the properties of geotechnical reinforcement. It has the functions of isolation, filtration, drainage, protection, stability and reinforcement. 6. It can adapt to the uneven foundation, resist the external force damage of buildings, and has less creep.

7. 整体连续性好,重量轻,施工方便.

7. The whole system has good continuity, light weight and convenient construction.

8. 土工膜不透水,具有良好的过滤隔离功能,抗穿刺能力强,防护功能好.

8. Geomembrane is impervious, has good filtering and isolation function, strong puncture resistance and good protection function.

土工膜铺设要点:

Key points of geomembrane laying:

1. 土工膜铺设前,应提交相应的土工验收合格文件.2. 切割土工膜前,应准确测量相关尺寸,然后根据实际尺寸切割土工膜.一般情况下,根据图中所示的尺寸切割土工膜是不合适的.

1. Before laying the geomembrane, the relevant acceptance documents should be submitted. 2. Before cutting the geomembrane, the relevant dimensions should be measured accurately, and then the geomembrane should be cut according to the actual size. Generally speaking, it is not appropriate to cut the geomembrane according to the size shown in the figure.

3.土工膜铺设时,应尽量减少焊缝,在保证质量的前提下尽可能节约原材料.保持质量也很容易.

3. When laying geomembrane, the welds should be minimized and the raw materials should be saved as much as possible on the premise of guaranteeing the quality. It is also easy to maintain the quality.

4. 薄膜与薄膜之间的接缝搭接宽度一般不小于10cm,且焊缝对齐方向通常与最大坡度平行,即沿坡度方向.

4. The overlap width between the film and the film is not less than 10 cm, and the alignment direction of the weld is usually parallel to the maximum gradient, i.e. along the gradient direction.

5. 通常在角和变形段,缝长应尽量缩短.除特殊要求外,坡度大于1:6的边坡,应尽量在距顶坡1.5米以内或应力集中区域内设置焊缝.

5. Usually in the angular and deformed sections, the seam length should be shortened as far as possible. Except for special requirements, for slopes with slope greater than 1:6, the seam should be set within 1.5 meters from the top slope or in the stress concentration area.

6. 铺设时应避免人工折叠.当温度较低时,应尽可能地拧紧铺装.

6. Artificial folding should be avoided in paving. When the temperature is low, the paving should be tightened as much as possible.

7. 土工膜铺设完成后,应尽量减少在土工膜表面行走和移动工具等.对不透水膜造成伤害的物品,不应放置在膜上或携带在膜上,以免意外损坏膜糠.

7. After the laying of geomembrane is completed, the walking and moving tools on the surface of geomembrane should be minimized. Items harmful to impermeable membrane should not be placed on or carried on the membrane to avoid accidental damage to the membrane chaff.

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