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Settlement of 16-Story Office Tower on Raft Foundation Situated on Piedmont Residuum
A large mat foundation was constructed in Tysons Corner, Virginia, to support a bank building resting on residual silts of the Appalachian Piedmont geologic province. The subsurface conditions were evaluated in the vicinity using borings and DMT-SPT relationships, primarily for calculating settlements to assess the viability of the foundation system. A survey system was established prior to construction and deformations were monitored over a one-year period. Measured settlements were on the order of 38 to 76 mm (1.5 to 3.0 in) and comparable to those calculated using a simple elastic continuum solution that accounts for foundation size, finite layer thickness, soil modulus variation with depth (Gibson vs. homogeneous), foundation rigidity, and embedment effects.
Settlement of 16-Story Office Tower on Raft Foundation Situated on Piedmont Residuum
A large mat foundation was constructed in Tysons Corner, Virginia, to support a bank building resting on residual silts of the Appalachian Piedmont geologic province. The subsurface conditions were evaluated in the vicinity using borings and DMT-SPT relationships, primarily for calculating settlements to assess the viability of the foundation system. A survey system was established prior to construction and deformations were monitored over a one-year period. Measured settlements were on the order of 38 to 76 mm (1.5 to 3.0 in) and comparable to those calculated using a simple elastic continuum solution that accounts for foundation size, finite layer thickness, soil modulus variation with depth (Gibson vs. homogeneous), foundation rigidity, and embedment effects.
Settlement of 16-Story Office Tower on Raft Foundation Situated on Piedmont Residuum
Mayne, Paul W. (author)
Eighth International Conference on Case Histories in Geotechnical Engineering ; 2019 ; Philadelphia, Pennsylvania
Geo-Congress 2019 ; 412-425
2019-03-21
Conference paper
Electronic Resource
English
Settlement of 16-Story Office Tower on Raft Foundation Situated on Piedmont Residuum
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