COMPACTION FACTOR APPARATUS AZA1107
Precision Workability Tester for Low-Slump Concrete
The AZA1107 Compaction Factor Apparatus from Azalab is engineered for accurate assessment of the workability of very dry or low-slump concrete mixes, where conventional slump testing is ineffective. Conforming to IS 1199 and BS 1881 Part 103, it is an essential instrument for concrete laboratories, research institutions, precast units, and field quality control.
Designed with rugged construction and a standardized double-hopper mechanism, the apparatus provides a quantitative compaction factor by comparing partially compacted and fully compacted concrete weights—ensuring high reliability and repeatability.
Key Features
- Precision measurement of compaction factor for dry and stiff concrete
- Double-hopper system with smooth trap release
- Conforms to IS 1199 and BS 1881 standards
- Suitable for precast plants, RMC units, and civil engineering labs
- Rugged, powder-coated mild-steel construction
- Cylindrical container included for final measurement
Portable and easy to assemble at field locations
Description
How the Test Works
The apparatus consists of two conical hoppers positioned above a cylindrical receiving container.
- Fill the top hopper with fresh concrete and strike off.
- Release the trap door to allow concrete to fall into the lower hopper.
- Immediately open the second trap to discharge concrete into the cylindrical container.
- Weigh the concrete (Partially Compacted Weight).
- Refill and compact the cylinder in layers to obtain the Fully Compacted Weight.
Compaction Factor = Partially Compacted Weight / Fully Compacted Weight
Typical values range from 0.70 to 0.95, depending on mix stiffness.
Applications
- Dry or low-slump concrete mixes
- Precast concrete blocks, pipes, sleepers
- Road construction mixes
- Research laboratories and QC departments
- Comparative workability studies
Technical Specifications
| Specification | Details |
| Model | AZA1107 |
| Construction | Mild steel frame, powder-coated |
| Hoppers | 2 conical hoppers with trap mechanisms |
| Cylinder Volume | Approx. 15 litres |
| Compliance | IS 1199, BS 1881 Part 103 |
| Accessories | Tamping rod, scoop, balance (optional) |
| Application | Workability testing for low-slump concrete |
| Setup | Floor-mounted, easy assembly |
| Weight | Approx. 25–30 kg |
| Portability | Suitable for field and lab mobility |
FAQ
Q1: What is the purpose of the Compaction Factor test?
It quantifies the workability of low-slump concrete by comparing partially and fully compacted weights.
Q2: Why use this instead of a slump cone?
For very dry or stiff mixes, slump tests are inaccurate; the compaction factor method provides precise results.
Q3: Which standards does AZA1107 follow?
It complies with IS 1199 and BS 1881 Part 103.
Q4: Who commonly uses this apparatus?
QC engineers, civil labs, precast manufacturers, research bodies.
Q5: Is it portable?
Yes, the apparatus can be easily moved and assembled at different site locations.
AZA1107– The trusted standard for accurate workability assessment of dry concrete mixes.
Additional information
| Model |
AZA 1107 |
|---|---|
| Material |
Mild steel frame with powder-coated finish |
| Conical Hoppers |
2 (top and bottom), with standard trap mechanisms |
| Cylinder Volume |
Approx. 15 liters |
| Setup |
Floor-mounted, easy assembly |
| Weight |
Approx. 25–30 kg |
| Portability |
Suitable for mobile field labs |
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