Pile Driving Analysis

The GPC system is the Pile Driving Analysis – PDA from Piletest. This Dynamic Load Testing and Pile Driving Monitoring system is based on the High Strain Dynamic Load Tests method, also called the PDA test. When monitoring the pile-driving installation, the GPC PDA system also evaluates shaft integrity, driving stresses, and hammer energy.

Description

PDA tests are carried out by driving a hammer on pilot or production piles to take advantage of its high-strain impact while monitoring the pile with an accelerometer and a strain gauge. It is often recommended that re-strike PDA tests be performed. These are the fundamental aspects of the PDA test method. A drop weight can impact the pile if no driving hammer is available on the site.

N_GAPA

A software that is used for pile load analysis and signal matching. It helps estimate the total bearing capacity of a pile or shaft and the resistance distribution along the shaft and at the toe. The GPC system monitors the pile on-site, and N_GAPA software is used for analysis afterward.

N_GAPA has proven to be similar to and better than CAPWAP.
N_GAPA can do real-time analysis at the test site during the pile installation.
N_GAPA – Complementary to GPC with no extra cost.

GPC PDA system advantages:

Easy to use

Single bolt per sensor on the pile on Comboducer
Comboducer – One sensor includes an Accelerometer + Strain-gauge
Results analysis can be done on-site using the easy-to-operate N_GAPA software.

Reliable

100% QA tests, vibration, and extreme temperature
The GPC case can tolerate drops and shocks
Rugged connectors, PU cables, and details.

Devoted service

Complimentary software support and updates (included)
Analysis, interpretation, and reporting assistance (included). We will do/review your first reports to ensure they are up to the highest standards.
We also offer SOS (Second Opinion Service) support.

Industry Standard

It is proven to have the same performance/results as CAPWAP compared to the same pile.
Compliant with ASTM D4945 and EN ISO-22477-4

Spesification

Proven to be equal to and better than CAPWAP
Real-time signal analysis as you hammer the pile
It is proven to have the same performance/results as CAPWAP compared to the same pile.
Compliant with ASTM D4945 and EN ISO-22477-4

Features

• Comboducer – One sensor includes Accelerometer + Strain-gauge
Easier and Faster to install on the pile or shaft.

GPC connects to any PC via wireless WiFi. It will also connect to future computers, while embedded systems quickly become outdated. The complete software suite runs on any PC.
Software suite includes
- GPC Acquisition — For collecting the sensor data and presenting real-time driving plots
- GPC Review — Reporting of test results and capable of automatic signal matching
- N_GAPA—An Automatic Pile Analysis software for signal matching analysis. It has been proven to be faster and equal to CAPWAP.

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