Sustainable slow maintained pile load test

Abd Aziz, Ameer Nazrin (2018) Sustainable slow maintained pile load test. Masters thesis, Universiti Tun Hussein Onn Malaysia.


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Slow maintained load test is widely used by contractors in Malaysia to ensure the driven pile could accommodate the design load of the structure. Slow maintained load test is a test to determine load-settlement curve and pile capacity for a period of time using conventional load test. Conventional static pile load test equipment is large in size thus making it heavier and takes a long time to install. In addition, it consumes a lot of space which causes congestion at construction sites. Therefore, the objective of this thesis is to conduct a conventional load test by replacing the pile kentledge load with anchorage and reaction pile. Preparations of ten designs comprising six commercial designs were reviewed. In addition, four proposed designs were suggested for the setup. Final design was produced based on its safety factors and criteria referred via literature review. The test frame consists of reaction frame with four reaction helical pile with two helixes per reaction pile. The deformation shapes, safety factor, stress, and strain of the design and finite element of the model has been analysed with the use of SolidWorks and Plaxis 3D software. SolidWorks software emphasizes on the model load-deflection relationship while Plaxis 3D ensures a correlation of reaction between pile uplift force and soil. Then, the model was tested on site to determine the relationship between physical load-deflection and pile-soil uplift force. The results of uplift force and displacement for numerical and physical test were nearly identical which increment of load-displacement graph pattern. The higher the uplift force, the higher the displacement obtained. In conclusion, the result obtained and the design may be considered as a guideline for future application of sustainable slow maintained pile load test.

Item Type: Thesis (Masters)
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA715-787 Earthwork. Foundations
Divisions: Faculty of Civil Engineering and Built Environment > Department of Civil Engineering : Infrastructure and Geomatic Engineering
Depositing User: Miss Afiqah Faiqah Mohd Hafiz
Date Deposited: 22 Jul 2021 07:12
Last Modified: 22 Jul 2021 07:12

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