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This report presents a methodology for estimating the time rate of scour and the design scour depth for a bridge founded on rock. The report also includes design and construction guidelines for application of the methodology.
Reference: NCHRP Report 717, TRB
Tests were intended to measure the performance of drilled shafts in rock that is representative of the lower bound conditions that might be expected for foundations of this type.
Reference: Foundation Drilling, Vol. 30, No. 4 May 2009
This paper presents the results of research on (1) the efficient design of embedded anti-slide piles, (2) the stability analysis of reservoir slopes with strength reduction theory, and (3) the determination of the ultimate bearing capacity of foundations using ...
Reference: Journal of Rock Mechanics and Geotechnical Engineering. 2009, 1 (1): 21-30
Micropiles are small diameter replacement piles that are capable of developing high axial capacities. Their installation equipment can penetrate hard rock with greater efficiency than tools used for other more conventional foundation types. It is due, in part, ...
Reference: Contemporary Issues in Deep Foundations, GeoDenver Conference, Geotechnical Special Publication No. 158, ASCE
As was the case on this project, the uncertainty of foundation performance in shale can lead to overly conservative designs, particularly with drilled shaft foundations. An extensive Statnamic axial testing program was performed to verify that the load-settlement ...
Reference: Deep Foundations Institute 31st Annual Conference, October 4-6, 2006, Washington, D.C.
 
The purpose of this document is to give guidance for the design and construction of foundations in Hong Kong. It is aimed at professionals and supervisory personnel involved in the design and construction of foundations. The document has been prepared on the ...
Reference: GEO PUBLICATION No. 1/2006
<p>This paper applies numerical limit analyses to evaluate the ultimate bearing capacity of a surface footing resting on a rock mass whose strength can be described by the generalised Hoek&ndash;Brown failure criterion [Hoek E, Carranza-Torres C, Corkum B. ...
Reference: International Journal of Rock Mechanics & Mining Sciences 43 (2006) 920–937
This report explores current practices pertaining to each step of the design process, along with the limitations identifies emerging and promising technologies examines the principal challenges in advancing the state of the practice and investigates future ...
Reference: NCHRP Synthesis 360, TRB
Over the past 25 years, much knowledge and experience has been gained by the engineering and construction industries with the use of rock-socketed drilled shafts for support of transportation structures. The goal of the present synthesis is to collect, review, ...
Reference: "NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM<br/>NCHRP SYNTHESIS 360"
This paper summarizes a series of never-before reported axial compression load tests conducted on single micropiles that are embedded in or constructed on rock. These data are augmented by load tests on similar micropiles that have been reported by others. ...
Reference: Proceedings: Fifth International Conference on Case Histories in Geotechnical Engineering, New York, NY, April 13-17, 2004