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土工布淤堵试验仪

土工合成材料淤堵试验仪是专业检测仪器,适用于土工合成材料滤层试验,测定一定水流条件下土与土工织物系统及其交界面上的渗透系数和渗透比,以及测定土工织物含泥量,以判断土工合成材料作为某种土的滤层,是否会产生不允许的淤堵。

  • 型号:TSY-15

  • 产品参数
  • 型号:TSY-15

 

土工布淤堵试验仪是专业检测仪器,适用于土工合成材料滤层试验,测定一定水流条件下土与土工织物系统及其交界面上的渗透系数和渗透比,以及测定土工织物含泥量,以判断土工合成材料作为某种土的滤层,是否会产生不允许的淤堵。淤堵试验渗透夹具两边采用合金材料,中间采用有机材料,密封性能好,装、卸试样方便、快速。

Geosynthetics clogging tester is a professional testing instrument suitable for the test of geosynthetics filter layer. It determines the permeability coefficient and permeability ratio of soil and geotextile system and its interface under certain water flow conditions, and determines the mud content of geotextile. In order to judge whether the geosynthetic material is used as a filter layer of a certain kind of soil, whether it will cause unacceptable clogging. The clogging test is made of alloy material on both sides of the infiltration clamp, and the organic material is used in the middle. The sealing performance is good, and the loading and unloading samples are convenient and fast.

土工布淤堵试验仪符合标准:JTG E50 T1145,SL/T 235-2012。


土工布淤堵试验仪技术参数:

★试验筒内径:Ф100mm

★土样厚度:100mm

★筛网孔径:6mm

★测试管内径:3mm

★测压板分度值:1mm

★电源:220V, 50Hz l

★外形尺寸:650×750×1900mm(L×W×H)

★重量:140Kg

Geosynthetics clogging tester technical parameters:
★Test tube inner diameter: Ф100mm
★ soil sample thickness: 100mm
★Screen aperture: 6mm
★ Test tube inner diameter: 3mm
★Measurement plate indexing value: 1mm
★Power supply: 220V, 50Hz l
★Dimensions: 650 × 750 × 1900mm (L × W × H)
★ Weight: 140Kg


土工布淤堵试验仪试验步骤:

★取样:按本规程T1101—2006的规定取样。

★试样数量及尺寸:试样尺寸应与渗透仪尺寸相适应;试样数量根据实试验组合和设计滤层中的织物的层数而定。

★试验前称量土工织物试样的质量,精确至0.01g。

★土料:将土料风干后进行筛分,剔出粒径大于5mm的颗粒。

★试验用水:试验应用脱气水,水温宜比室温高3°C—4°C。

★将织物试样和筛网一起放在夹持装置内,并密封好。

★装入土样,土样高为100mm。对于松土样,可用漏斗将风干土倒入渗透仪内整平即可;对于密实土样,应分层击实要求的密度。装样过程中应防止测压管的进口被堵塞。

★饱和土样。有排水口管进水,使水由试样底部缓慢流入,可控制进水水头小于25mm,直至水位上升到土样顶面一定高度,始可从进水管注水,并使整个容器内充满水(为加速土样饱和,可采用真空泵抽气法。)

★调节水位:使水力梯度i达1.0,观察测压管内的水位变化。

★当全部测压管读数达到稳定后,将上游进水容器保持常水头,打开出水口阀门,水流通过试样进行渗流。 11、每小时测读一次测压管水位和渗水量,同时记录渗水时间和水温,连续测读24h。如读数尚未安全稳定,可适当延迟测读时间,直至稳定为止。

★当i=1.0时的试验结束后,调整水力梯度i。分别对该试样进行i=2.5、i=4.0及i=10.0时的试验。当i每增加一级后,应得测压管读书稳定,并在该级梯度下渗流达1.5h以上。当i达10.0且测压管读数稳定后,重复10—11步骤。

★试验结束,取出土工织物试样,轻轻清楚表面浮土,烘干后称量土工织物及其内部含土的总质量,精确至0.01g。

Geosynthetics clogging tester test steps:
★ Sampling: Sampling according to the provisions of this regulation T1101—2006.
★ Sample size and size: The sample size should be compatible with the size of the permeator; the number of samples depends on the actual test combination and the number of layers of fabric in the design filter layer.
★ Weigh the quality of the geotextile sample before the test to the nearest 0.01g.
★ Soil material: After the soil material is air-dried, it is sieved to remove particles with a particle size larger than 5 mm.
★ Test water: test degassing water, the water temperature should be 3 ° C - 4 ° C higher than room temperature.
★ Place the fabric sample and the screen together in the holding device and seal it.
★ Load the soil sample, the soil sample height is 100mm. For the loose soil sample, the air-dried soil can be poured into the permeameter to be leveled by a funnel; for dense soil samples, the required density should be layered and compacted. The inlet of the piezometer should be prevented from being blocked during the loading process.

★ Saturated soil sample. There is a drain pipe inlet water, so that the water flows slowly from the bottom of the sample, and the inlet head can be controlled to be less than 25mm, until the water level rises to a certain height on the top surface of the soil sample, the water can be injected from the inlet pipe, and the entire container is filled with water ( In order to accelerate the saturation of soil samples, vacuum pumping can be used.)
★ Adjust the water level: Make the hydraulic gradient i up to 1.0 and observe the water level change in the pressure measuring tube.
★When all the pressure tube readings have stabilized, keep the upstream water inlet container at the normal water head, open the water outlet valve, and the water flow through the sample for seepage. 11. The water level and water seepage of the pressure measuring tube are measured every hour, and the water seepage time and water temperature are recorded at the same time, and the continuous reading is 24 hours. If the reading is not safe and stable, the reading time can be appropriately delayed until it is stable.
★ After the test at i=1.0, adjust the hydraulic gradient i. The test was performed on i=2.5, i=4.0, and i=10.0, respectively. When each level of i is increased, the pressure tube reading should be stable, and the flow should be more than 1.5h under this gradient. After i reaches 10.0 and the pressure tube reading is stable, repeat steps 10-11.
★ At the end of the test, take out the geotextile sample, gently clear the surface floating soil, and then weigh the geotextile and the total mass of the soil inside it to the nearest 0.01g.

 

土工布淤堵试验仪试验报告:

试验报告应包括以下内容:

1、样品名称,规格型号;

2、土样状态的描述;

3、试验日期;

4、试验时试样的层数;

5、梯度比及梯度比随时间变化过程曲线;

6、试样单位体积的含土量;

7、任何偏离规定程序的详细说明。

Geosynthetics clogging tester test report:
The test report should include the following:
1, sample name, specifications and models;
2. Description of the soil state;
3. Test date;
4. The number of layers of the sample during the test;
5. The gradient ratio and the gradient ratio change curve with time;
6. The soil content per unit volume of the sample;
7. Any detailed description of deviation from the prescribed procedures.


土工布淤堵试验仪

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