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Geomechanics and Engineering
  Volume 7, Number 1, July 2014, pages 37-53

Development of an integrated Web-based system with a pile load test database and pre-analyzed data
Yit-Jin Chen, Ming-Ru Liao, Shiu-Shin Lin, Jen-Kai Huang and Maria Cecilia M. Marcos

    A Web-based pile load test (WBPLT) system was developed and implemented in this study. Object-oriented and concept-based software design techniques were adopted to integrate the pile load test database into the system. A total of 673 case histories of pile load test were included in the database. The data consisted of drilled shaft and driven precast concrete pile axial load tests in drained, undrained, and gravel loading conditions as well as pre-analyzed data and back-calculated design parameters. Unified modeling language, a standard software design tool, was utilized to design the WBPLT system architecture with five major concept-based components. These components provide the static structure and dynamic behavior of system message flows in a visualized manner. The open-source Apache Web server is the building block of the WBPLT system, and PHP Web programming language implements the operation of the WBPLT components, particularly the automatic translation of user query into structured query language. A simple search and inexpensive query can be implemented through the Internet browser. The pile load test database is helpful, and data can be easily retrieved and utilized worldwide for research and advanced applications.
Key Words
    pile; load tests; database; web-based; internet
(1) Yit-Jin Chen, Ming-Ru Liao, Shiu-Shin Lin:
Department of Civil Engineering, Chung Yuan Christian University, Chung-Li, 32023, Taiwan;
(2) Jen-Kai Huang:
Liming Engineering Consultants Co., Ltd, 3F, No. 137, Dadun 17th St., Nantun Dist., Taichung City 408, Taiwan;
(3) Maria Cecilia M. Marcos:
Department of Civil Engineering, Adamson University, Manila, Philippines.

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