Category Archives: Micropiles

Events Calendar Updated for 2010

 

I have updated our calendar for 2010 to include many events in the geotechnical and foundation engineering world that may be of interest, plus known speaking/teaching appearances by Dan.  I’ll put in a plug for the events calendars and listings for ADSC, DFI, Geo-Institute, and PDCA.  I get most of my information from them.

 

Some, but not all events,(in addition to my previous post) are:

 

DFI Helical Foundations & Tiebacks Specialty Seminar – Feb 1

 

geo_header_2009    Geo-Florida 2010 – Feb 20-24

 

DFI and PDCA – A Joint Conference on Driven Pile – Mar 12

 

adsc_logo_color_small1 ADSC Drilled Shaft Foundations Seminar – Mar 19

 

PDCALogo PDCA 14th Annual International Conference and Expo – May 6-8

 

2nd International Symposium on Cone Penetration Testing – May 9-11

 

bridge-home-template_r1_c6_sm International Bridge Conference 2010 – June 6-10

 

DFI Super Pile – June 10-11

 

er2010_header_002 Earth Retention 2010 – Aug 1-4

 

DFILogo DFI 34th Annual Conference on Deep Foundations – Oct 12-15 

 

5c24ff58c9bf4a5f988f0f34e0266ffc TRB 7th International Bridge Conference – Dec 1-2

IFCEE 09 Wrap-up and Papers Posted

IFCEE09 page

Last week’s International Foundation Congress and Equipment Exposition was a huge success!  Dan gave a keynote address on Tuesday on managing risk in deep foundations within the design-build delivery model.  Paul, Erik, and I also had papers to present.  The technical sessions were excellent, the indoor exhibits were excellent, and the outdoor exhibits of foundation equipment were outstanding!  The ADSC, Geo-Institute, and PDCA were the co-organizers of the event.  A big hats off to all of the staff of all three organizations that made the event a huge success!  Thanks and “atta boy” go to Mohamad Hussein, P.E. (Conference Chair) and to Dan (Technical Program Chair) for all of their work, as well as the rest of the organizing committee.

I have also blogged about the conference here at GeoPrac.net.

Here are some pictures of the outdoor exhibits:

IFCEE09 Exhibit 1 IFCEE09 Exhibit 2 IFCEE09 Exhibit 3

There were over 300 papers included in the conference.  The proceedings were published as three Geotechnical Special Publications:

GSP 185: Contemporary Topics in Deep Foundations

GSP 186: Contemporary Topics in In-Situ Testing, Analysis, and Reliability of Foundations

GSP 187: Contemporary Topics in Ground Modification, Problem Soils, and Geo-Support

The editors, Magued Iskander, Ph.D., P.E. (Polytechnic Institute of New York University), Debra Laefer, Ph.D. (University College Dublin, Ireland), and Mohamad Hussein, P.E. (GRL) all had their work cut out for them.

I have added all seven papers authored by DBA team members to our site.  The links are below, or you can go to our Publications page.

Axtell, P.J., Stark, T.D., and Dillon, J.C., 2009. “Strength Difference Between Clam-Shell and Long-Reach Excavator Constructed Cement-Bentonite Self-Hardening Slurry Walls”, 2009 International Foundation Congress and Equipment Expo, Contemporary Topics in Ground Modification, Problem Soils, and Geo-Support, Geotechnical Special Publication No. 187, ASCE, pp. 297-304.

Brown, D.A., 2009. “Management of Risk in Deep Foundations with Design-Build”, 2009 International Foundation Congress and Equipment Expo, Contemporary Topics in Deep Foundations, Geotechnical Special Publication No. 185, ASCE, pp. 1-11.

Brown, D.A. and Thompson, W.R., 2009. “Drilled Shaft Performance in Cemented Calcareous Formations in the Southeast United States”, 2009 International Foundation Congress and Equipment Expo, Contemporary Topics in Deep Foundations, Geotechnical Special Publication No. 185, ASCE, pp. 119-126.

Loehr, J.E and Huaco, D.R., 2009. “Probabilistic Calibration of Resistance Factors for Slope Stability”, 2009 International Foundation Congress and Equipment Expo, Contemporary Topics in In-Situ Testing, Analysis, and Reliability of Foundations, Geotechnical Special Publication No. 186, ASCE, pp. 297-304.

Parsons, R.L., Pierson, M., Han, J., Brennan, J.J., and Brown, D.A., 2009. “Lateral Load Capacity of Cast-in-Place Shafts Behind an MSE Wall”, 2009 International Foundation Congress and Equipment Expo, Contemporary Topics in In-Situ Testing, Analysis, and Reliability of Foundations, Geotechnical Special Publication No. 186, ASCE, pp. 560-567.

Rollins, K.M., Adsero, M.E., and Brown, D.A., 2009. “Jet Grouting to Increase Lateral Resistance of Pile Group in Soft Clay”, 2009 International Foundation Congress and Equipment Expo, Contemporary Topics in Ground Modification, Problem Soils, and Geo-Support, Geotechnical Special Publication No. 187, ASCE, pp. 265-272.

Thompson, W.R., Hill, J.R., and Loehr, J. E., 2009. “Case History: Value Engineering of Driven H-Piles for Slope Stability on the Missouri River”, 2009 International Foundation Congress and Equipment Expo, Contemporary Topics in Deep Foundations, Geotechnical Special Publication No. 185, ASCE, pp207-214.

Slope Stabilization Method with Micropiles – A report for the ADSC/DFI Joint Micropile Committee

Erik and Dan have published a final report entitled “A Method for Predicting Mobilization Resistance for Micropiles Used in Slope Stabilization Applications”. The report was prepared for the Joint ADSC/DFI Micropile Committee. This version has been submitted to the committee for review and comment. From the report:

The primary objective of the work described in this report has been to identify a method for predicting the resistance provided by micropiles used for slope stabilization that: (1) is consistent with the available field performance data, and (2) takes advantage of the improved knowledge gained from the performance observed in previous implementations. This objective has been met through review and analysis of case histories with well documented performance measurements, analysis of stability and load transfer for these case histories, development of an improved technique for predicting the resistance provided by micropiles, evaluation of the proposed technique as compared to available field performance measurements, and, finally, use of the technique to demonstrate its application for a hypothetical case and to demonstrate the implications of the technique for design of slope stabilization schemes with micropiles.

This report should be a great resource to practicing geotechnical engineers considering micropiles for slope stabilization.

Financial support for this work was provided by a grant from the H.B. Williams Industry Advancement Fund of ADSC: The International Association of Foundation Drilling.

A copy of the report can be downloaded here.


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