ENHANCING YOUR BUSINESS

- FOUNDATION ENGINEERING RESEARCH AND EDUCATION

RESEARCH PROJECTS

Rock Sockets in Southeastern U.S.

Because of the large load capacity of drilled shaft foundations, it is relatively difficult and expensive to conduct full scale load tests. As a result, the bearing cacpacity of drilled shafts in rock has traditionally been assessed very conservatively. The results of this research project allowed greater bearing values to be used, making drilled shafts more economically designed and constructed.

Effects of Free-Fall Concrete Placement

The issue of how far and in what manner concrete can be placed by the free-fall method in drilled shafts under dry conditions has long been of great interest to our industry. In the early 1960s, Clyde Baker and John Gnaedinger of STS Consultants produced a study that concluded that the acceptable limit was over 90 feet. Since this result was not universally accepted, in 1994 the ADSC and STS Consultants, with support from the FHWA, designed and conducted a comprehensive field test that has effectively settled the question.

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Micropile AASHTO LRFD Calibration (and Spec Development)

Moving a new technology into the mainstream requires building consensus and developing common design guidelines.  IAF was instrumental in this regard for micropiles. The initial project, with IAF support, developed micropile calibration studies in conformance with AASHTO LRFD procedures.  With this calibration in hand, the ADSC Micropile Committee could develop and revise the initial draft of the AASHTO design specification and usher it through the AASHTO acceptance process.  Finally, working jointly with the DFI, the Micropile Committee developed a construction specification that was recently accepted into the AASHTO highway code. A tremendous effort here—and it all started with a grant from the IAF.

 

SCHOLARSHIPS

Civil Engineering Scholarships

Over the past decades, through the contributions made to the IAF, over 350 Civil Engineering Graduate Study Scholarships have been awarded. These scholarships are intended to stimulate the involvement of highly qualified engineers in the industry represented by the ADSC. For more, click here.

 

FACULTY WORKSHOPS

The International Association of Foundation Drilling (ADSC) is an organization of specialty sub-contractors, manufacturers, suppliers, and engineers working in the anchored earth retention, drilled shaft, micropile and other related industries.

Through our members’ generous financial support of the Industry Advancement Fund (IAF), the ADSC has been involved with important research and development endeavors. This support has come in the form of both financial contributions and contributions-in-kind. To date funding provided has been in excess of $3 million. This has been augmented by an additional $5 million of in-kind donations. Representative examples of IAF funded research are as follows:


• Base Grouting of Drilled Shafts
• Buckling of Micropiles
• Hollow Bar Soil Nail Pull-Out and Corrosion Protection
• Testing of Grouted Wedges for Strand Anchors
• Full-Scale Load Testing of Drilled Shafts

More About the IAF...

 

ABOUT

The International Association of Foundation Drilling (ADSC) is an organization of specialty sub-contractors, manufacturers, suppliers, and engineers working in the anchored earth retention, drilled shaft, micropile and other related industries.

Through our members’ generous financial support of the Industry Advancement Fund (IAF), the ADSC has been involved with important research and development endeavors. This support has come in the form of both financial contributions and contributions-in-kind. To date funding provided has been in excess of $3 million. This has been augmented by an additional $5 million of in-kind donations. Representative examples of IAF funded research are as follows:


• Base Grouting of Drilled Shafts
• Buckling of Micropiles
• Hollow Bar Soil Nail Pull-Out and Corrosion Protection
• Testing of Grouted Wedges for Strand Anchors
• Full-Scale Load Testing of Drilled Shafts

More About the IAF...

 

 1986

Year Established

25+

Projects Completed

  350

Scholarships
Awarded

240

Professors
Educated

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Inquiries

For any inquiries, questions or commendations, please call: 469-359-6000 or fill out the form below.

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I.A.F.

8445 Freeport Pkwy Suite 325

Irving, TX 75063

 

Contact:

adsc@adsc-iafd.com

Tel: 469-359-6000

Fax: 469-359-6007

 

© 2016 by ADSC Industry Advancement Fund. 

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