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<p>The paper presents the results of a detailed geotechnical investigation and foundation analysis performed for a housing complex comprising 11 towers having 42 floors and two basements in Gurugram, Haryana. In addition to boreholes, the geotechnical investigation included measuring SPT energy transfer, cone penetration tests, pressuremeter tests, and cross-hole seismic tests. Detailed foundation analysis was performed to assess the safe net bearing pressure and pile capacities. The design net allowable bearing pressures for isolated/raft foundations and the design safe compressive pile capacities based on advanced testing were about 20% higher than those obtained using conventional borehole-based analysis alone. These analyses were then followed up with a soil-structure interaction study using finite element analysis to economize the foundation design. The maximum settlement of the raft decreased by 86% (from 272 to 39&#xa0;mm) by considering a hybrid piled-raft system as compared to a raft foundation without piles. The authors demonstrate the benefits of using advanced in-situ techniques to economize foundation design for the tall building.</p>

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Geotechnical Investigation and Foundation Analysis for 42-Storeyed Towers in Gurugram (Haryana), India

  • 期刊论文

  • 发表日期：

    2026年1月21日

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  • Ravi Sundaram,
  • Sanjay Gupta,
  • Sorabh Gupta

摘要

The paper presents the results of a detailed geotechnical investigation and foundation analysis performed for a housing complex comprising 11 towers having 42 floors and two basements in Gurugram, Haryana. In addition to boreholes, the geotechnical investigation included measuring SPT energy transfer, cone penetration tests, pressuremeter tests, and cross-hole seismic tests. Detailed foundation analysis was performed to assess the safe net bearing pressure and pile capacities. The design net allowable bearing pressures for isolated/raft foundations and the design safe compressive pile capacities based on advanced testing were about 20% higher than those obtained using conventional borehole-based analysis alone. These analyses were then followed up with a soil-structure interaction study using finite element analysis to economize the foundation design. The maximum settlement of the raft decreased by 86% (from 272 to 39 mm) by considering a hybrid piled-raft system as compared to a raft foundation without piles. The authors demonstrate the benefits of using advanced in-situ techniques to economize foundation design for the tall building.