This standard specifies general requirements for the measurement and analysis system of testing instruments, covering the composition, configurations, working conditions, typical performance, test methods, and inspection rules for judging the integrity of deep foundations and the determination of defect severity and defect locations of deep foundations. A deep foundation is a foundation that is installed to a significant depth greater than 3 meters to handle a specific load. However, the depth depends on the engineering construction and geological conditions. A low-strain testing instrument utilizes low-energy (a few newtons to several hundred newtons) transient-state or steady-state excitation to induce low-amplitude vibration of the pile under elastic deformation. It utilizes wave theory to determine pile defects. The standard specifications include classification, measurement system, analysis system, and safety requirements.
- Standard Committee
- IM/ST - TC9 - Sensor Technology
- Status
- Active PAR
- PAR Approval
- 2024-02-15
Working Group Details
- Society
- IEEE Instrumentation and Measurement Society
- Standard Committee
- IM/ST - TC9 - Sensor Technology
- Working Group
-
TIDF - Testing instruments for deep foundations
- IEEE Program Manager
- Vanessa Lalitte
Contact Vanessa Lalitte - Working Group Chair
- Yanming Chen
Other Activities From This Working Group
Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.
P3456.2
Standard for Testing instruments for Deep Foundations - Part 2: High-strain Testing Instruments
This standard specifies general requirements for the measurement and analysis system of testing instruments, covering the composition, configurations, working conditions, typical performance, test methods, and inspection rules for judging the compressive bearing capacity and integrity of deep foundations. A deep foundation is a foundation that is installed to a significant depth greater than 3 meters to handle a specific load. However, the depth depends on the engineering construction and geological conditions. A high-strain testing instrument utilizes high-energy (tens to hundreds of kilonewtons) transient-state excitation to cause relative displacement between the pile and soil. It utilizes wave inversion theory to reveal the performance of the pile-soil system in elastic-plastic deformation, evaluate the quality of the pile body, and analyze the ultimate bearing capacity of the pile. The standard specifications include classification, measurement system, analysis system, and safety requirements.
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