Digital CBR Device

Description

1. Introduction

The Digital CBR Device (California Bearing Ratio) is a state-of-the-art testing apparatus designed for the precise determination of soil strength and load-bearing capacity. By leveraging advanced digital technology, this device enhances the accuracy, efficiency, and reliability of CBR testing, making it a critical tool for geotechnical engineering, civil construction, and pavement design.

Widely used in the construction of roads, highways, airfields, and other infrastructure projects, the Digital CBR Device ensures that subgrade soils meet industry standards for strength and stability. Its ability to provide real-time, high-accuracy data makes it indispensable for laboratories and field testing applications.

2. Key Features and Specifications

Technical Specifications:

• Load Capacity: Up to 50 kN (customizable to specific ranges).
• Digital Readout: High-resolution digital display with a precision of 0.001 kN for load and 0.01 mm for penetration.
• Penetration Speed: Adjustable between 1 mm/min and 1.5 mm/min as per standard testing requirements.
• Frame Dimensions: Approximately 450 mm x 450 mm x 750 mm for a compact yet robust design.
• Weight: 30–40 kg, ensuring stability and portability.
• Power Supply: Operates on a standard 220V, 50Hz AC supply (custom options for different power regions).
• Data Interface: USB or wireless connectivity for data transfer and analysis.

Key Features:

1. Real-Time Data Display: Integrated digital screen for instant load and penetration values.
2. Automated Data Recording: Eliminates manual errors and streamlines test documentation.
3. User-Friendly Interface: Intuitive controls and touchpad operation for ease of use.
4. Durable Construction: Made of corrosion-resistant steel for long-term performance.
5. Customizable Load Gauges: Options for specific load ranges based on project requirements.

Performance Enhancements:

• Accurate load-penetration data ensures reliable CBR value calculation.
• Faster testing process with automated and precise load application.
• Eliminates subjective errors associated with manual readings.

3. Usage and Benefits

Step-by-Step Usage:

1. Sample Preparation:
   • Compact the soil sample in a standard mold and mount it securely in the device.
2. Testing Setup:
   • Attach the plunger to the digital load frame and set the desired penetration speed using the control panel.
3. Test Execution:
   • Start the test. The device will apply controlled penetration and display real-time load and penetration values on the digital screen.
4. Data Analysis:
   • Transfer the recorded data via USB or wireless interface for detailed analysis and report generation.
5. Result Compilation:
   • Use the results to determine the soil’s CBR value and assess its suitability for the intended application.

Benefits:

• Enhanced Accuracy: The digital interface ensures precise measurements, reducing the risk of human error.
• Efficiency: Faster setup and testing process compared to manual devices.
• Data Automation: Streamlined documentation with direct data export to analysis software.
• Portability: Compact and lightweight design enables use in both laboratory and field conditions.
• Standards Compliance: Meets international standards for reliable and consistent testing outcomes.

Problem-Solving Capabilities:

• Addresses the challenge of inconsistent or inaccurate manual readings.
• Speeds up the testing process, saving valuable time for large-scale infrastructure projects.
• Provides digital records for easy comparison and compliance reporting.

4. Applicable Standards and Certifications

The Digital CBR Device adheres to globally recognized standards, ensuring compatibility and acceptance across various industries and regions.

Standards Compliance:

• ASTM D1883: Standard test method for CBR of laboratory-compacted soils.
• AASHTO T193: Specification for CBR testing of soils.
• IS: 2720 (Part 16): Indian standard methods for testing the bearing capacity of soils.

Certifications:

• ISO 9001: Quality assurance in the manufacturing process.
• CE Marking: Compliance with European safety and quality regulations.

5. Maintenance and Durability

Maintenance Requirements:

• Routine Cleaning: Clean the plunger, mold, and frame after each use to maintain precision.
• Calibration: Regular calibration of the digital load cell to ensure measurement accuracy.
• Lubrication: Apply grease to moving parts to prevent wear and tear over time.

Durability Features:

• Corrosion-Resistant Materials: Protects against environmental factors like humidity and dust.
• Sturdy Frame: Engineered to handle repeated heavy loads without deformation.
• Protective Housing: Guards sensitive electronic components from damage during transport and operation.

6. Optional Accessories or Customization

Optional Accessories:

• Additional Molds: For testing soil samples of varying sizes and types.
• Digital Software: Advanced data analysis tools for generating detailed reports.
• Carrying Case: Rugged transport case for field use.
• Additional Load Cells: For extended load range capabilities.

Customization Options:

• Branded screens and interfaces for specific organizational requirements.
• Wireless connectivity options for seamless data integration into existing systems.

7. Why Choose Digital CBR Device?

The Digital CBR Device is the ultimate choice for civil engineers and geotechnical professionals who demand precision, efficiency, and reliability in soil testing. Its advanced digital features and durable design make it an invaluable asset for any infrastructure project.

Unique Selling Points:

• Unmatched Accuracy: High-resolution digital readings eliminate manual errors.
• Time-Saving Operation: Automated processes reduce testing and reporting time.
• Data Integration: Easy export options for seamless integration with analysis tools.
• Durability: Built to withstand the demands of heavy use in laboratory and field settings.
• Cost-Effective: Combines cutting-edge features with long-term durability, ensuring value for investment.