SHEAR STRENGTH TESTING MACHINE FOR MASONRY - ASTM E519

(As per ASTM E519/E519M)

1. Scope

The equipment is designed for determining the diagonal tensile (shear) strength of masonry assemblages in accordance with ASTM E519/E519M – Standard Test Method for Diagonal Tension (Shear) in Masonry Assemblages.

2. Standards

The equipment shall comply with:

1. ASTM E519/E519M (Latest Edition)

3. Machine Type

1. Floor-mounted heavy-duty compression testing frame
2. Servo-hydraulic closed-loop loading system

4. Capacity

1. Maximum test load: 1000 kN minimum
2. Overload capacity: 120% of rated load
3. Load resolution:  0.1 kN

5. Accuracy

1. Load accuracy: ±1% of indicated load or better
2. Conforming to Class 1 requirements

6. Test Frame

1. Four-column rigid load frame
2. Suitable for large masonry wall panels
3. Vertical daylight: Minimum 1000 mm
4. Horizontal clearance: Minimum 1000 mm
5. High stiffness construction to minimize frame deformation

7. Loading System

1. Double-acting hydraulic actuator
2. Servo-controlled loading
3. Constant rate of loading
4. Smooth load application without shock

8. Hydraulic Power Pack

1. Low-noise hydraulic power unit
2. Servo controlled motor
3. Servo controlled solenoid valve

9. Load Measurement

1. High-precision Pressure transducer
2. Calibration certificate traceable to national standards
3. Digital load indication

10. Fixtures

The supplier shall provide:

1. ASTM E519 loading shoes
2. Upper and lower loading assemblies
3. Hardened steel loading plates
4. Spherical seating arrangement
5. Specimen alignment fixtures
6. Specimen holding accessories

11. Software

The software provides followings:

1. Closed-loop machine control
2. Real-time graphical display
3. Load vs displacement graph
4. Shear stress vs shear strain graph
5. Automatic calculation of:
6. Peak load
7. Shear stress
8. Automatic report generation
9. Export to Excel
10. Unlimited test data storage

12. Safety

1. Emergency stop
2. Overload protection
3. Hydraulic pressure relief
4. Software safety limits

13. Electrical Requirements

1. 220 V AC
2. 50 Hz
3. Single-phase supply

14. Calibration

The machine will be supplied with:

1. Factory calibration certificate
2. NABL calibration
3. Traceability to national standards

15. Documentation

The machine will be supplied with:

1. Operation manual
2. Electrical circuit diagram
3. Calibration certificate

16. Installation & Training

We will provide:

1. Installation and commissioning
2. Performance demonstration
3. Operator training
4. Maintenance training