Name: IEC 60652:2002 — Loading tests on overhead line structures
SKU: IEC 60652:2002
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IEC 60652:2002 PDF — Loading tests on overhead line structures — GOST Standards

Test Categories:
- Design Tests are for prototype supports to verify design compliance, develop new designs, or validate manufacturing processes. These tests often involve loading to the design load or failure load.
- Sample Tests are performed on random production supports to check fabrication quality or material integrity, generally loaded to the design load percentage specified by the client.
Test Criteria and Preparation:
- Fabrication and material specifications of tested supports must match production standards to ensure accurate results.
- The standard emphasizes client collaboration on test specifications, including drawings, load points, load levels, measurement points, and assembly requirements.
- Accredited testing stations following ISO/IEC 17025 quality systems may perform these tests.
Test Program and Execution:
- Detailed test programs are submitted and approved before testing, outlining foundation setup, load application methods, instrumentation locations, load increments, tolerances, measurement procedures, and load holding periods.
- Load application follows incremental steps (e.g., 50%, 75%, 90%, 95%, and 100% of the design load) with tight load tolerance controls to avoid dynamic effects.
Instrumentation and Measurements:
- Use of dynamometers, strain gauges, deflection measurement devices, and video documentation ensures accurate recording of load effects, deformations, and structural behavior during testing.
Acceptance and Failure Criteria:
- Acceptance requires the support to withstand specified loads without permanent unacceptable deformation or failure.
- The standard defines failure load as the point where additional load cannot be sustained, typically established during destructive testing.
Documentation and Traceability:
- Comprehensive test reports summarizing procedures, results, deviations, and conclusions must be compiled.
- Traceability of materials and components, assembly records, and possible video footage are essential for verification and future reference.

IEC 60652:2002

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