MAT FOUNDATION DESIGN REFERENCE FOR METRO MANILA, PHILIPPINES

Authors

  • Jonathan R. Dungca
  • Raynold Y. Pua
  • Raynold, Nelson Que
  • Anne Kristine M. Sangalang
  • Ayran Nicole Tan

Keywords:

mat foundation, modulus of subgrade reaction, standard penetration test foundation design reference

Abstract

To design mat foundations, there are certain values which are required for calculations and
analyses, one of which would be the vertical modulus of subgrade reaction. It can be obtained through
various deterministic tests such as the Plate Load Test. On the other hand, the study calculated this factor
through the use of Standard Penetration Test (SPT) results by using four different methods. Comparative
study and validation were also performed to confirm the most recommendable method to be used to compute
for the soil spring constant, given the limitations of the SPT results, by correlation of this parameter to the
California Bearing Ratio (CBR) test results. Through this, the study considered and used the equation
formulated by Bowles to calculate the vertical modulus of subgrade reaction. Then, a Geographic
Information Systems (GIS) software was utilized to generate maps of these values by the method of ordinary
kriging. These maps presented the locations with the predominantly high and low values of the soil spring
constant. They were also used to create a digitized reference of the values of the vertical modulus of subgrade
reaction for the design of mat foundations for preliminary design through the use of Visual Basic
Applications 2010.

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Published

2021-11-24

How to Cite

Jonathan R. Dungca, Raynold Y. Pua, Raynold, Nelson Que, Anne Kristine M. Sangalang, & Ayran Nicole Tan. (2021). MAT FOUNDATION DESIGN REFERENCE FOR METRO MANILA, PHILIPPINES. GEOMATE Journal, 15(47), 42–47. Retrieved from https://geomatejournal.com/geomate/article/view/836

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