IN-SITU Vane Shear Test

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IN-SITU Vane Shear Test Specification

Frequency
50 Hz

Automation Grade
Manual

Core Components
Vane Assembly, Torque Head, Calibration Handle

Capacity
2 kN-m

Feature
Highly Efficient

Power Source
Manual

Accuracy
100 %

Temperature Range
0C to 50C

Model No
IN-VST-01

Measurement Range
0200 kN/m

Equipment Materials
Stainless Steel & Mild Steel

Type
Manual Vane Shear Tester

Usage
Laboratory

Display Type
Analog Dial Gauge

Dimension (L*W*H)
700 mm x 300 mm x 200 mm

Weight
Approx. 20 kg

About IN-SITU Vane Shear Test

IN-SITU Vane Shear Test

The apparatus is designed for conducting in situ vane shear test from bottom of a bore hole in saturated cohesive deposits for determining their in place shearing resistance. The equipment consists of a torque applicator assembly mounted on a base, a gear wheel, which is marked in degrees, holds a torque ring and is geared to a crank, the torque ring is a split ring & deforms as torque is applied & the deformation is indicated by a dial gauge. A calibration 2 chart to convert dial gauge readings to torque force in kgs/cm is supplied. A pointer is provided For registering the rotations of the vane, a detachable stand is provided to anchor the instrument an attachment to securely hold the string of rods is provided the equipments comprises of the following :

Torque applicator assembly capacity 2000kg/cm with split proving ring & dial gauge 0.002 x 5mm complete with stand.
Vane ( with vane rod ) 37.5mm dia x 75mm high 1 no.
Vane ( with vane rod ) 50.0mm dia x 100mm high 1 no.
Torque rod ( square cross section) 0.6mts long 1 no.
Rods quick couplind type, 1 mtr. long 1 no.
Rods quick coupling type, 1 ½ mtr. long 1 no.
Dummy rod, corresponding to 37.5mm dia vane 1 no.
Dummy rod , corresponding to 50.0mm dia vane 1 no

Accurate In-Situ Soil Shear Strength Testing

Perform rapid and dependable in-situ vane shear measurements with equipment that meets both Indian and international standards. The analog dial gauge ensures high-resolution readings, and the robust build offers excellent durability for field and laboratory settings.

Versatile and User-Friendly Operation

This manual vane shear tester is equipped with interchangeable vanes (37.5 mm and 50 mm), allowing flexibility across varying soil conditions. Minimal assembly is required, and all key components, including the torque head and calibration handle, make operation straightforward and efficient.

Certified Quality and Trusted Build

Manufactured using stainless steel and mild steel with careful finishing, this tester is engineered to deliver high accuracy (up to 100%). Strict adherence to IS: 4434 and ASTM D2573 makes it suitable for professionals in geotechnical engineering, research labs, and field investigations.

FAQs of IN-SITU Vane Shear Test:

Q: How is the IN-SITU Vane Shear Test performed using this equipment?

A: The test involves inserting the appropriate vane (37.5 mm or 50 mm) into the prepared soil, then gradually rotating it at a controlled rate of 6/min with the manual handle. The analog dial gauge measures the torque, allowing you to determine the soils shear strength directly in-situ.

Q: What applications is this vane shear tester most suitable for?

A: The equipment is ideal for laboratory and field evaluations of undrained shear strength in soft to medium cohesive soils. It supports civil engineering, geotechnical investigations, and construction quality control projects.

Q: When should I use the 37.5 mm vane versus the 50 mm vane?

A: The 37.5 mm vane is typically used for firmer or smaller soil samples, while the 50 mm vane is preferred for softer or less consolidated soils. Selecting the correct vane ensures accurate measurement according to soil conditions and relevant standards.

Q: Where can this manual vane shear tester be operated?

A: The tester is designed for use in laboratories and at field sites. Its portable design, moderate weight (approx. 20 kg), and durable packing options allow convenient transport and deployment in diverse locations.

Q: What is the process for calibrating the device before testing?

A: Calibration is accomplished using the included calibration handle and standard weights. The torque head and dial gauge are checked to confirm accurate readings, ensuring measurement reliability for each test sequence.

Q: How does this device benefit my geotechnical investigation projects?

A: This equipment provides quick, on-site determination of shear strength, reducing the need for extensive sample transportation. Its compliance with IS: 4434 and ASTM D2573 ensures results align with industry benchmarks, streamlining project timelines and enhancing confidence in data.

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