CSEB Production

The CSEB Production course covers theory and practice of Compressed Stabilised Earth Blocks (CSEB), a low-cost, low-carbon modern earth construction technique, which are made from a mix of soil, sand and water, stabilised with ~5% cement, and compressed manually or with a hydraulic press. The course covers basics on soil characteristics, design, calculation, block production, quality control, etc. This course is often taken in tandem with the CSEB Masonry course.

Eligibility: All skill levels are welcome (e.g. engineers, architects, technicians, supervisors, masons, students and laymen).

Duration: Classes start at 9 AM and finish at 6 PM.

Course content:
The two first days are more theoretical with lectures, presentations and individual exercises:
- Auroville Earth Institute presentation
- Auroville Earth Institute presentation
- Building with earth in Auroville
- Sustainability and environmental friendliness
- Resource management
- Basic data on CSEB
- Raw material and soil identification
- Soil stabilisation (Stabilisers, Principles, Calculation and exercises)
- Products & equipment
- Blockyard organisation & Production line
- Quality control principles
- Improving and stabilising soils
- Mortar quality
- Block-laying & design guidelines
- Cost analysis & Economic feasibility study

The four following days are practical in nature, with demonstrations and hands-on sessions:
- Handling, adjustment and maintenance of the presses
- Safety demonstration
- Testing typical soils with a press
- Sites visit by trainees
- Production of blocks: acquisition of know-how
- Production of various blocks (round, interlocking, hollow, etc.)
- Production of special blocks (U, pipe inserts, chamfer, flashing, coping, tile, etc.)
- Production of blocks: optimisation of production = 100 Blocks per hour
- Quality control with the field block tester

Identification of typical soils with sensitive analysis is taught at the end of each day. Through practice, trainees will feel more and more confident to carry out soil analysis independently.

Production of CSEB since 1990
 
Theoretical lectures on soil identification
Theoretical lectures cost analysis
 
Production of CSEB for a women self help group
Production of CSEB for a women self help group
Adjustment and maintenance of the Auram Press 3000
Production of interlocking CSEB for earthquake resistance
Session on design guidelines with bond patterns
Session on quality control with the field block tester
 
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