Direct Residual Shear Machine (10*10)

Description

1. Introduction

The Direct Residual Shear Machine (10*10) is a precision-engineered device designed for the accurate determination of the residual and peak shear strength parameters of soil. Utilizing a 10 cm x 10 cm shear box, the machine is ideal for analyzing soil properties under controlled conditions, including cohesion and friction angle, which are critical for geotechnical design and stability analysis.

Applications:
This machine is widely used in geotechnical engineering, soil mechanics laboratories, and civil engineering projects, where understanding soil shear strength is essential for:

• Slope Stability Analysis
• Foundation Design
• Retaining Wall Construction
• Landslide and Earthwork Studies

The Direct Residual Shear Machine is a key tool in both research and field applications, ensuring compliance with engineering standards and delivering reliable, repeatable results for professionals in construction and infrastructure development.

2. Key Features and Specifications

Technical Specifications

• Shear Box Dimensions: 10 cm x 10 cm (100 mm x 100 mm)
• Maximum Normal Load: 5 kN
• Shear Displacement Range: 20 mm
• Normal Displacement Range: 10 mm
• Rate of Strain: Adjustable from 0.002 mm/min to 1.2 mm/min (manual or motorized control).
• Load Measurement: High-accuracy load cell with a resolution of 0.1 N.
• Shear Force Measurement: Integrated precision force transducer for reliable and accurate readings.
• Power Supply: 220-240V, 50/60Hz, suitable for global use.
• Material: Corrosion-resistant stainless steel for all load-bearing components, ensuring longevity.

Unique Features

1. Advanced Load Application System: The machine provides a stable, controlled application of normal and shear loads, ensuring consistency and reliability in test results.
2. High-Precision Sensors: Built-in load and displacement sensors with digital output for real-time monitoring and accurate data logging.
3. Smooth Operation: Features low-friction guideways and a robust drive system for precise displacement control, minimizing operational variability.
4. Data Logging and Connectivity: Integrated with USB and optional Wi-Fi connectivity for exporting test data directly to PCs or cloud platforms.
5. Customizable Rate of Strain: Adjustable strain rate ensures suitability for a wide variety of soil types, including cohesive and granular soils.
6. Compact, Modular Design: Designed for space efficiency while maintaining ease of use and serviceability.

3. Usage and Benefits

Step-by-Step Usage

1. Specimen Preparation: Prepare the soil specimen (10 cm x 10 cm) and secure it in the shear box. Ensure proper alignment for accurate testing.
2. Initial Setup: Adjust the machine to apply the desired normal load using the calibrated loading mechanism.
3. Test Configuration: Set the required rate of strain via the digital control system.
4. Perform the Test: Initiate the test to apply shear force while recording real-time data for displacement and load.
5. Data Analysis: Evaluate peak and residual shear strength values from the digital output or exported data.
6. Post-Test Maintenance: Clean the shear box and components to maintain device longevity.

Advantages

• Enhanced Accuracy: Precision sensors and controlled loading eliminate manual errors.
• Ease of Use: Intuitive controls and an ergonomic design make the machine suitable for both experienced engineers and new users.
• Time Efficiency: Automated test processes and data logging reduce the time required for testing and analysis.
• Flexibility: Adjustable strain rates and normal load capacities accommodate various soil types and testing conditions.
• Problem Solving:
  • Challenge: Unreliable manual readings or inconsistent results.
    Solution: Digital sensors and automated processes deliver consistent and repeatable results.
  • Challenge: Data management and analysis.
    Solution: Seamless connectivity for exporting and analyzing test data digitally.

4. Applicable Standards and Certifications

The Direct Residual Shear Machine (10*10) adheres to internationally recognized standards, ensuring accurate and reliable results.

Compliance with Standards

• ASTM D3080/D3080M: Standard Test Method for Direct Shear Test of Soils Under Consolidated Drained Conditions.
• BS 1377-7: Methods of Testing Soils for Civil Engineering Purposes – Shear Strength Tests.
• ISO 17892-10: Geotechnical Investigation and Testing – Direct Shear Testing.

Certifications

• ISO 9001: Quality management certification for design and manufacturing.
• CE Certification: Compliance with European safety and performance regulations.
• RoHS Compliance: Ensures environmentally safe manufacturing processes.

5. Maintenance and Durability

Maintenance Requirements

• Routine Cleaning: Remove soil residues from the shear box and mechanical components after each use.
• Calibration: Periodic calibration of load cells and displacement sensors to maintain accuracy.
• Lubrication: Apply appropriate lubricants to moving parts as recommended in the user manual.
• Inspection: Regularly check for wear or damage on load application mechanisms and electronics.

Durability Features

• Corrosion Resistance: Stainless steel and anti-rust coatings ensure long-lasting performance in laboratory and field conditions.
• Impact-Resistant Frame: Designed to withstand regular use without deformation or misalignment.
• Temperature Tolerance: Operates efficiently in varying environmental conditions, ensuring reliable performance across different regions.

6. Optional Accessories or Customization

Available Accessories

• Data Analysis Software: Advanced tools for comprehensive data visualization and reporting.
• Additional Shear Boxes: Interchangeable boxes for testing different soil types or larger specimens.
• Protective Dust Cover: Shields the machine from environmental contaminants during non-use.

Customization Options

• Increased Load Capacity: Optional models with higher normal load capacities.
• Digital Upgrades: Enhanced interfaces with touchscreen controls or wireless connectivity.
• Shear Box Variants: Custom box sizes available for unique testing requirements.

7. Why Choose the Direct Residual Shear Machine (10*10)?

The Direct Residual Shear Machine (10*10) is the ideal solution for professionals in geotechnical engineering and soil mechanics. Its state-of-the-art design, precision measurements, and adherence to global standards make it a trusted choice for laboratories, research facilities, and construction projects.

Key Selling Points:

• Unparalleled Precision: Accurate sensors and controlled loading ensure consistent, repeatable results.
• User-Friendly Design: Simplified controls and automation streamline testing processes.
• Time and Cost Efficiency: Reduces operator workload and accelerates testing workflows.
• Compliance with Industry Standards: Meets ASTM, BS, and ISO requirements for reliable performance.
• Robust Build Quality: Engineered for durability, even under harsh conditions.