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Pile foundations
Published in Manuel Matos Fernandes, Analysis and design of geotechnical structures, 2020
Manuel Matos Fernandes, Paulo Pinto, Pedro Alves Costa
The scatter of bearing capacity values predicted by analytical methods has already been discussed. Semi-empirical methods often predict values with a wide range of variation, and it is recognized that the construction procedure has a strong influence on the pile bearing capacity. These facts explain the need for load testing of piles, in order to determine the safety level, and potentially improve the design. There are three main types of load tests: static load (applied to the top or the pile toe), rapid load testing (Bermingham and Janes, 1989), and dynamic load testing. In the following sections, the static and dynamic load tests will be briefly presented.
Nonfunctional Testing
Published in William E. Lewis, David Dobbs, Gunasekaran Veerapillai, Software Testing and Continuous Quality Improvement, 2017
William E. Lewis, David Dobbs, Gunasekaran Veerapillai
Load testing is defined as the practice of modeling the expected usage of the application software by simulating multiple users concurrently. The system response under this condition is observed for various factors such as memory utilization, hardware capacity utilization, throughput, and so on. The source of any irrational behavior is observed and rectified in the system so that the application behaves in a better manner in production. There are a number of vendor-based and freeware tools that can simulate thousands of virtual users in the system for facilitating load testing (see Chapter 35, “Taxonomy of Testing Tools,” for more information).
Mobile Application Testing
Published in Jithesh Sathyan, Anoop Narayanan, Navin Narayan, K V Shibu, A Comprehensive Guide to Enterprise Mobility, 2016
Jithesh Sathyan, Anoop Narayanan, Navin Narayan, K V Shibu
The server is tested for load scenarios involving requests from handsets; network testing is intended to validate coverage and latency; device testing will help to do performance tuning of the application on the device. Popular solutions for server- load testing include Load Runner, Web Load, Performance Studio, Silk Performer, and QALoad. These tools are not designed specifically for testing the server side performance to be loaded from mobile clients, but products such as iMobiload from Infosys and Mobile Master from Argogroup are solutions customized to perform load testing for mobile interaction with the server.
Critical fault-detecting time evaluation in software with discrete compound Poisson models
Published in Journal of Quality Technology, 2019
Min-Hsiung Hsieh, Shuen-Lin Jeng, Paul Kvam
The initial release test data are observed during a test that combines feature testing and load testing. Feature testing is designed to verify that the required features have been properly implemented and is often done with extremely focused test cases as opposed to test cases that would more naturally align with a user’s operational profile. Load testing consists of test scenarios designed to stress the system for the purpose of observing performance characteristics under peak or even overload conditions.