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高品质电动碟式液限仪新升级CSDS-2

价格：￥电议

品牌名称：畅风型号：CSDS-2 原产地：中国大陆更新时间：2026/10/12 12:31:17

产品摘要：高品质电动碟式液限仪新升级测定土的液限，为划分土类，计算天然稠度、愬性指数，供设计施工使用

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高品质电动碟式液限仪新升级

CSDS-1（D）碟式液限仪（土工仪器）生产厂家
一、用途：测定土的液限，为划分土类，计算天然稠度、愬性指数，供设计施工使用。电动蝶式液限仪 (1)(2).jpg
二、技术参数：
1、电动马达驱动；
2、碟下落频率：120击/分钟（允许误差15%）；
3、内置击数计时数器；
三、执行标准：碟式液限仪的使用方法参照ASTM D4318《土的液限标准试验方法》。

四、结构组成：由盛装试样的黄铜皿和装有硬橡愬台座，以及将皿与台座之间落距控制在1厘米的冲击装置凹轮及计算器、划槽刀等组成。
五、适用范围：
本法为测定土液限的试验方法。所获成果至少需经3次试验，并制一塑流曲线（FlowCurve)。方法如下：
1、一点法，从单次试验计算液限值；
2、检验或鉴定试验。
3、除非规定所试验的土允许采用一点法外，CSDS-1（D）碟式液限仪（土工仪器）生产厂家一般应该采用落碟法，当所测成果不一致或所试验的土按技术要求有规定时，采用检验试验法或鉴定试验法。

六、操作规程：
1、作试验或鉴定试验用的液限试验，采用下列试验表：
1）土与水拌匀：5至20分钟，塑性更大的土采用的时间更长些。
2）在湿润器中的养护时间：24小时
3）放入铜碟前再次拌匀：加一毫升水并拌和一分钟，每次增加一毫升水并再次拌匀，直至土样的稠度能使槽缝在35至25次下落后流合。电动蝶式液限仪(1).jpg
4）土样装入铜碟，试验并称重3分钟。
5）洗清土碟和开槽器，加水再拌匀3分钟。
6)重复操作4至5次至少应获得3个合格的试验点。
2、碟下落35次以上或15次以下的试验不必作记录，在任何情况下不得将干土加入所试验的已经养护过的试样中。

高品质电动碟式液限仪新升级

CSDS-1(D) Mechanical Cup Liquid Limit Device (Geotechnical Instrument Manufacturer)

I. Purpose

The CSDS-1(D) Mechanical Cup Liquid Limit Device is used to determine the liquid limit of soil, which serves to classify soil types, calculate natural consistency and plasticity index, and provide references for design and construction.

II. Technical Parameters

Powered by an electric motor.
Cup drop frequency: 120 blows per minute (allowable error: ±15%).
Built-in blow count timer.

III. Execution Standard

The test method for the mechanical cup liquid limit device refers to ASTM D4318 Standard Test Method for Liquid Limit of Soils.

IV. Structural Composition

The device consists of a brass cup for holding soil samples, a hard rubber base, an impact device cam (which controls the drop height between the cup and base at 1 cm), a calculator, a grooving knife, and other components.

V. Scope of Application

This method is used to determine the liquid limit of soil. The test results require at least three trials to plot a flow curve. The procedures are as follows:

One-point method: Calculate the liquid limit from a single trial.
Verification or qualification test: Used for validation.
Unless specified that the one-point method is permissible for the tested soil, the CSDS-1(D) Mechanical Cup Liquid Limit Device (manufacturer) generally adopts the drop cone method. If results are inconsistent or technical requirements mandate, verification or qualification tests shall be conducted.

VI. Operating Procedures

For liquid limit tests (including verification/qualification tests), follow these steps:

Mixing soil and water: Mix thoroughly for 5–20 minutes (longer for more plastic soils).
Curing time in a moist chamber: 24 hours.
Re-mixing before placing in the brass cup: Add 1 mL of water and mix for 1 minute. Repeat adding 1 mL of water and mixing until the soil consistency allows the groove to close within 35–25 blows.
Loading soil into the brass cup: Fill the cup, conduct the test, and weigh the sample (3 minutes).
Cleaning the cup and grooving knife: Rinse with water, then re-mix the soil for 3 minutes.
Repeat steps 4–5 until at least 3 valid test points are obtained.

Trials with fewer than 15 drops or more than 35 drops of the cup need not be recorded. Under no circumstances should dry soil be added to already cured test samples.