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Slab Load Test.

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Assessing Strength, Stiffness, and Safety of Reinforced Concrete Slabs

Slab Load Test is a crucial in-situ structural evaluation used to determine the load-bearing capacity, serviceability, and performance of a reinforced concrete slab. It provides a real-world assessment of how the slab behaves under controlled loading — confirming whether it meets design expectations and remains safe for long-term use. At Global Lab, we conduct static and proof load tests in accordance with IS 456:2000 (Clause 16.3), IS 516 (Part 5):2021, and ACI 437R standards. Using precision load application systems, digital deflection sensors, and real-time monitoring, we deliver NABL-certified, field-verified data on slab performance and integrity.

Why Slab Load testMatters.

Verification of Design and Construction Quality

The test validates that the slab can safely sustain its design load without excessive deflection or cracking. It also identifies potential construction issues like poor concrete strength, inadequate compaction, or incorrect reinforcement placement.

Evaluation of Existing Structures

Used for old, renovated, or repurposed buildings, the test ensures that existing slabs can safely handle new load conditions — for example, converting an office floor to a warehouse or storage facility. It also helps assess residual strength in slabs affected by fire, overloading, or seismic activity, and is invaluable where original design documents are unavailable.

Serviceability and Long-Term Performance

By monitoring deflection under load and recovery after unloading, engineers can understand both immediate and residual deformation behavior. This data helps predict the long-term structural performance and service life of the slab.

NDT TESTING

GL Advantages.

  • Accredited facility: NABL-grade laboratory with traceable calibration and strict QA systems.

  • Standards compliance: Tests performed to ASTM C1202 (Rapid Chloride Permeability Test) and applicable IS/EN methods.

  • Experienced analysts: Concrete technologists who interpret results and recommend mitigation.

  • Fast, reliable reporting: Clear reports with test data, graphs, comparative benchmarks, and practical recommendations.

  • Field + Lab capability: On-site sampling, specimen curing, and post-test consulting.

Global Lab Advantage.

Accredited facility.
Standards compliance.
Experienced analysts.
Fast, reliable reporting.
Field + Lab capability.

Applications

Verification of load capacity in new constructions before occupancy.
Condition assessment of old or undocumented slabs.
Evaluation of fire-damaged, corroded, or overloaded structures.
Assessment for change of usage (e.g., office to warehouse conversion).
Performance verification after repair or strengthening of slabs.
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Slab load test

Slab Load Test

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NABL Accredited

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Advanced Lab & Field Testing

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On-Site Testing Across India

Global Lab provides comprehensive testing for construction and engineering materials, including concrete, cement, steel, aggregates, bitumen, soil, tiles, paver blocks, and other civil and infrastructure materials. We also handle customized tests as per client or project specifications.

Yes. Our team is equipped with mobile testing facilities and field instruments for on-site sampling, inspection, and testing — ensuring quick and reliable results without disrupting your project timelines.