PRAHARA MAHARDIKA, ERO (2019) ANALISIS DAYA DUKUNG DAN PENURUNAN PONDASI TIANG BERDASARKAN DATA STANDARD PENETRATION TEST (SPT) DAN CONE PENETRATION TEST (CPT) (Studi Kasus : East Cross Taxiway Bandara Internasional Soekarno – Hatta). S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.

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Abstract

East Cross Taxiway at Soekarno –Hatta International Airport is devided into two parts, namely the lower structure and the upper structure. The stability of a structure is not only determined by the upper structure which directly bears the aircraft load and pavement load, but the stability of the lower structure plays an equally important role in maintaining the stability of the structure, in this case the foundation. The function of the foundation is to continue the load of the building upper the soil into the hard soil at a certain depth so that the foundation is able to support loading by skin friction. The purpose of this study is to determine the bearing capacity of pile foundation by manual calculation using the Meyerhof method with the Standard Penetration Test (SPT) and Cone Penetration Test (CPT) data. Whereas to find out the settlement of pile foundation by manual calculation using Vesic method. This study also analysed using the GEO5 2018 software with the Cone Penetration Test (CPT) data. The results of the analysis of pile foundation bearing capacity by manual calculation using the Standard Penetration Test (SPT) data obtained the average bearing capacity (Qult) = 1310.38 kN with an average safety factor (SF) = 2.6 and using Cone Penetration Test (CPT) data obtained the average bearing capacity (Qult) = 2009.60 kN with an average safety factor (SF) = 4.0. While the results of the analysis of pile foundation settlement in manual calculation using the Standard Penetration Test (SPT) data obtained an average settlement (S) = 11.73 and using the Cone Penetration Test (CPT) data obtained an average settlement (S) = 13.27 mm. The results of the analysis according to the GEO5 2018 software for pile foundation bearing capacity obtained the average bearing capacity (Qult) 1710.41 kN with an average safety factor (SF) = 3.5 and an average settlement (S) = 4.8 mm. The difference between manual analysis and analysis using software overall 14%.

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