specialists in geotechnical foundation...

SPECIALISTS IN GEOTECHNICAL & FOUNDATION ENGINEERING

Summary of Anchored Earth Retention Summary of Anchored Earth Retention

and Excavation Support Experienceand Excavation Support Experience May 2013May 2013

INNOVATIVE

INTERSTATE 75 ANCHORED SOLDIER PILE WALL ‐ Jellico, Tennessee

GEOTECHNICAL

SOLUTIONS

BOWEN BUILDING SHORED EXCAVATION ‐ Washington, D.C.

MICROPILE & ANCHOR SLOPE STABILIZATION ‐ Salem, South Carolina

DANBROWN

ASSOCIATESAND

ROCKY CREEK ANCHORED SOLDIER PILE WALL ‐ Big Sur, California

Dan Brown and Associates, PC (DBA) specializes in geotechnical engineering and deep founda on design, with emphasis on problem solving rela ng to founda on engineering and slope stability problems. The firm includes associates with special exper se in construc on, design, tes ng, and research. Principals and Senior Engineers include:

Dr. Dan Brown, P.E., Ph.D., D.GE

Dr. Steve Dapp, P.E., Ph.D., D.GE

Dr. Eric Loehr, P.E., Ph.D.

Dr. John Turner, P.E., Ph.D., D.GE

Mr. Barry Meyer, P.E., MS

Mr. Paul Axtell, P.E., MS, D.GE

Mr. Jon Gould, P.E., MS

Mr. Tim Siegel, P.E., G.E., MS, D.GE

Mr. Robert Thompson, P.E., MS, D.GE

DBA’s por olio includes numerous slope stabiliza on, anchored earth reten on, and braced excava on projects serving as consultant on geotechnical design, interpre ng load test results, construc on methods, and expert witness. Consul ng by DBA on such projects can be provided at any stage of the project during design or construc on, working for owners, designers or contractors. DBA can provide full design services, peer review of designs by others, or evalua ons of construc on problems. Of the DBA staff, Dr. John Turner and Mr. Tim Siegel are the leading experts in these services, supported by the engineering exper se of the remaining staff. Dr. Turner and Mr. Siegel are both licensed as Geotechnical Engineers in the State of California, having experience in seismic analysis and design. The firm is licensed in most states and can easily obtain licensure in any remaining states.

IMAGINATIVE ▪ RESPONSIBLE ▪ ECONOMICAL

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BLUE CROSS/BLUE SHIELD OF TENNESSEE ‐ Cha anooga, Tennessee

Project Experience:

7th Street Bridge, Fort Worth, TX. In‐Progress. Value‐engineered design of a secant pile drilled

sha wall for protec on of a flood‐control levee and bridge abutment along the Trinity River.

DBA is engineer of record for the wall design and consultant to the geotechnical specialty

subcontractor. Owners are Texas DOT and U.S. Army Corps of Engineers.

Micropile and Anchor Slope Stabiliza on, Salem, SC. Completed in 2012. Design of slope

stabiliza on system using micropiles and e‐back anchors connected through a reac on beam.

1616 Rhode Island Ave., Washington, D.C. Completed November 2011. Support of excava on for

construc on of a 9‐story building. Excava on was up to 48 feet deep with soldier piles and four

rows of eback anchors, 3 and 4‐strand anchors. DBA was consultant to Steele Founda on, Inc.

on design of the anchored soldier pile wall.

Sibley Memorial Hospital, Washington, D.C. Shoring work completed December 2012. Design of

anchored tangent pile wall for support of excava on. Max wall height is 29 feet, with two rows

of 3‐strand anchors; for Steele Founda on, Inc. Building is currently under construc on.

4035 S Capitol St., Washington, D.C. In‐Progress. Design of anchored soldier pile wall to provide

temporary support of excava on and long‐term landslide stabiliza on for a parking structure.

Wall is 25 feet in height and includes two rows of 2‐strand anchors. Steele Founda on, Inc.,

March 2011.

Residences at Li le Nell, Aspen, CO. Completed 2006. DBA provided expert services 2010‐2012 in

li ga on involving excessive wall deforma ons and remedia on of a 35‐ high anchored earth

reten on system for construc on of a major development at the base of the Aspen ski slope.

Blue Cross/Blue Shield of Tennessee, Cha anooga, TN. Completed in 2008. Design of a soil nail

wall for a 50 high excava on in highly weathered shale for construc on of a mul ‐level

parking garage. (performed by Mr. Siegel prior to joining DBA)

Carlyle Block‐L Project, Alexandria, VA. Completed 2007. Design and analysis of anchored soldier

pile wall for support of excava on for new building. 24‐foot deep excava on with two rows of 2

and 3‐strand anchors. (performed by Dr. Turner prior to joining DBA)

Interstate 75, Jellico, TN. Completed in 2005. Design of an anchored soldier pile wall to stabilized

a roadway cut through weathered rock. (performed by Mr. Siegel prior to joining DBA)

US 19, Cherokee, NC. Completed in 2005. Design of a H‐pile and e‐back retaining system for top‐

down construc on adjacent to US 19 in downtown Cherokee. (performed by Mr. Siegel prior to

joining DBA)


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1500 Massachuse s Ave., Washington, D.C.

Completed 2003. Design of anchored tangent

pile wall for support of excava on and

permanent founda ons, for construc on of

the Post Building, competed in 2003.

(performed by Dr. Turner prior to joining DBA)

Micropile/Tieback wall, Wears Valley, TN.

Completed in 2003. Design of a micropile and

e‐back retaining system for top‐down

construc on in Wears Valley – adjacent to the

Great Smoky Mountains Na onal Park.

(performed by Mr. Siegel prior to joining DBA)

Publica ons by DBA Staff:

Turner, J.P., Anderson, S.A., and Siel, B.D. “Slope Stabiliza on by Ground Anchors”, Landslides and

Society: AEG Special Publica on No. 22, Associa on of Environmental and Engineering Geologists,

Editors: A.K. Turner and R.L. Schuster, Denver, CO, June 2007, pp. 297‐316.

Turner, J.P., "Lessons Learned from Anchored Slide Stabiliza on", Proceedings of GEO3,

Interna onal Conference on Quality Assurance and Quality Control in Geo Construc on, ADSC:

Interna onal Associa on of Founda on Drilling, Dallas, TX, November 2005, pp. 8‐25.

Turner, J.P. and Jensen, W.G., "Landslide Stabiliza on Using Soil Nail and MSE Walls: A Case Study",

Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 131, No. 2, February 2005,

pp. 141‐150.

Turner, J.P., Steele, J.A., Maher, W.F., Zortman, A.R., and Carpenter, J.R., "Design, Construc on, and

Performance of an Anchored Tangent Pile Wall for Excava on Support", Geotechnical Special

Publica on No. 124, GeoSupport 2004, ASCE, New York, NY, 2004, pp. 322‐333.

Turner, J.P., Hasenkamp, R., and Wolosick, J., “Micropile and Tieback Reinforced Walls for

Landslide Stabiliza on, Snake River Canyon, WY”, Proceedings, 49th Annual Highway Geology

Symposium, Presco , AZ, September 1998. Turner, J.P., "Evalua on of Design Methods for Tieback

Retaining Walls in Sea le", Proceedings, Deep Founda ons Ins tute Annual Mee ng, Sea le, Oct.

10‐12, 1990.

Winter, D.G., Macnab, A., and Turner, J.P., "Design, Construc on, and Analysis of 85 Ft. Deep

Shored Excava on in Sea le", Proceedings, Deep Founda ons Ins tute Annual Conference,

Hamilton, Ontario, October 1987, pp. 311‐339.


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MICROPILE/TIEBACK WALL ‐ Wears Valley, Tennessee


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