SYMPOSIA PAPER Published: 01 January 1975
STP29180S

Excavation and Soldier Pile-Tremie Concrete (SPTC) Wall Instrumentation and Monitoring Program

Source

The rationale and objectives of an instrumentation and construction monitoring program for a 30 to 50-ft-deep excavation are presented. The excavation was supported by a soldier pile-tremie concrete (SPTC) wall with auger-cast, soil-supported tiebacks. The instrumentation included slope indicators, dial gages, and load cells. The monitoring program included surveying horizontal and vertical movements, monitoring cracks and water levels, and reading the instrumentation. The accuracy of the readings are evaluated. It is concluded that backup systems and methods to cross-check data are required for a successful program. In addition, it is suggested that field calibration checks on the instrumentation be employed.

Author Information

Brown, RE
Law Engineering Testing Co., Washington, D.C.
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Details
Developed by Committee: D18
Pages: 100–110
DOI: 10.1520/STP29180S
ISBN-EB: 978-0-8031-4663-1
ISBN-13: 978-0-8031-0533-1