The Shotcrete Penetrometer is a complete portable system for testing the compressive strength of the initial curing stage of young sprayed concrete to BS EN 14488-2 (Method A).
It provides accurate readings of the forces required to penetrate sprayed (shotcrete) or poured concrete. These resistive force readings are then used to convert to a compressive strength value. This accuracy—beyond the requirements of the standard—and portability make it ideal for on-site testing.
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Overview
The Shotcrete Penetrometer is Mecmesin's specialised force test kit designed for use in testing to the international industry standard relating to sprayed concrete or poured concrete during the first few hours of development. This instrument meets the requirement principle of Method A: Penetration needle to measure penetration resistance force.
Testing to BS EN 14488-2 (Method A)
Verification of consistency is vital in the initial stages of the concrete curing process in order to ensure maximum strength. This phase is defined as being when the strength is assessed as to be between of 0.2 MPa to 1.2 MPa.
The standard Testing sprayed concrete – Part 2: Compressive strength of young sprayed concrete indicates the testing procedure to be used; multiple needle penetration resistance tests, which provide a reliable indication of hardness.
Shotcrete Penetrometer provides loadcell accuracy exceeding the recommendation of the test standard and can be used in conjunction with other tests as the mixture further hardens over time.
Complete on-site testing kit
The portable Shotcrete Penetrometer kit comes complete with all of the accessories needed to measure readings and calculate strength values at the construction site. This enables quick turnaround of results at this time-sensitive phase of strength development and helps determine whether it is safe to re-enter tunnels and resume blasting near the shotcreting site.
- Robust wipe-clean carry case
- Shotcrete Penetrometer with dual handle (fitted)
- Penetrometer needle adapter
- 15 × Penetration needles (15 mm length, 3 mm dia, 60º angle)
- 5 × Rechargeable NIMH Batteries
- Mains adaptor/charger
- Operating manual
- User guide
- Calibration certificate
Product brochures
Shotcrete Penetrometer datasheet (PDF)
Key specs
- Measurement units in N, lbf or kgf
- 1000 N loadcell
- +/- 1 N accuracy far exceeds the minimum requirements of EN 1488-2
- Store up to 500 readings in memory
- RS232 data output to printer or PC
Features and benefits
Features and benefits
- Sturdy, cleanable, and portable design
- Built-in 1000 N loadcell
- 15 spare penetration needles with quick and easy fitting
- Live display for immediate, clear results
- Inverted display for ease of reading
- Simple operation suitable for unskilled staff
Related International Standards
- EN 14488-2 "Testing sprayed concrete. Compressive strength of young sprayed concrete"
Key applications
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Case studies
Shotcrete Early Strength Penetration Test
Requirement
Multicrete Systems Inc. are specialists in project solutions for the mining and tunneling industries.
Based in Canada, the company operates globally and provides...