Comparative Analysis of Semi Basement Wall With Different Cohesion and Basement Depth in West Jakarta

Authors

  • Luthfy Alfarizi Civil engineering student of Mercubuana University
  • Resi Aseanto Civil Engineering Lecturer of Mercubuana University

Keywords:

Basement Wall, Cantilever Retaining Wallmononobe-Okabe Method, Rankine Method, Semi Basement

Abstract

DKI Jakarta has a population density of 19,516 people / square km. Government of Jakarta in the PERDA DKI Jakarta No. 7-2010 CHAPTER 5 Article 42 Paragraph 1 states that "every building must provide parking space". To overcome this, semi-basement will be an option to make a parking space that does not require too much excavation costs. This analysis will compare two types of retaining walls, cantilever retaining walls and conventional retaining walls using the Rankine method for static conditions and the Mononobe-Okabe method for dynamic conditions. This analysis results in the conclusion that for a depth of 2.00m, conventional walls are found to be more efficient in terms of costs with a difference of up to Rp. 178,700 / m’. For soil with a depth of 1.75m, cost efficiency depends on soil cohesion. For the higher soil cohesion, the cost of making cantilever walls is more efficient, reaching Rp. 130,600 / m '. For soil with a depth of 1.50m, with higher cohesion, the cantilevered wall will be more cost-efficient than conventional wall making, reaching Rp. 232,400 / m’.

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References

Coduto, D. P. (2001) Foundation Design-Principles and Practice. New Jersey: Prentice-Hall.inc.

SNI 2847:2013 (2013) Persyaratan beton struktural untuk bangunan gedung. Badan Standarisasi Nasional (BSN).

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Published

2021-05-10

Issue

Section

Articles