Final Program

SHOTCRETE
FOR UNDERGROUND SUPPORT VIII

April 11 - 15, 1999
Mont Blanc Hotel
Campos do Jordão (SP) - Brazil

Conference Chair:
Tarcisio B. Celestino
Themag & University of Sao Paulo, Brazil

Conference Co-Chair:
Harvey Parker
Harvey Parker and Associates

United Engineering Foundation
Three Park Avenue 27th Floor
New York, NY 10016-5902
Phone: 1-212-591-7836; Fax: 1-212-591-7441
e-mail:engfnd@aol.com - WWW: www.engfnd.org

The Conference Co-Sponsors are:

ITA
ISRM
Brazilian Concrete Institute (IBRACON)
Brazilian Tunnel Committee (CBT)
Brazilian Association for Soil Mechanics (ABMS)
Brazilian Portland Cement Association (ABCP)

Sunday, April 11, 1999

3:30 p.m. - 5:00 p.m. Registration

5.00 p.m. - Opening Ceremony

5:30 p.m. - 7:00 p.m. Cocktail Reception and Vernissage with paintings of Mary Lou Klapperich

7:00 p.m. - 8:30 p.m Dinner and Welcoming

8:30 p.m. - 9:30 p.m. Social Hour

Monday, April 12, 1999

8:30 a.m. - 9:30 a.m. KEYNOTE LECTURE:
Progress in the Use of Shotcrete in Brazil
Pedro Boscov, Brazil

9:30 a.m. - 11:10 a.m SESSION I: STANDARDIZATION
Session Chair: Harald Schorn, Germany

9:30 a.m. - 9:50 a.m. The New Austrian Guideline Shotcrete
W. Kusterle
University of Innsbruck, Austria

9:50 a.m.- 10:10 a.m. Effectiveness and Quality Control of Steel Fibre Reinforced Sprayed Concrete
Harald Schorn
University of Technology - Dresden, Germany

10:10 a.m. - 10:30 a.m. Coffee Break

10:30 a.m. - 10:50 a.m. Diametral Compression Tests for the Determination of Shotcrete Anisotropic Elastic Constants
T.B. Celestino, Airton Bortolucci, Giacomo Re, and Argimiro A. Ferreira
Themag Engenharia Ltda., Brazil

10:50 a.m. - 11:10 a.m. Shotcrete: Standardization in Brazil
Luiz Prado Vieira Jr., and Antonio D. de Figueiredo
Themag Engenharia Ltda., Brazil

11:10 a.m. - 11:30 a.m. Break

11:30 a m. - 12:30 p.m. SESSION II: DURABILITY
Session Chair: Harald Schorn, Germany

11:30 a.m. - 11:50 a.m. How to Use Modern Wet Mix Shotcrete Technology for Single Shell Permanent Tunnel Linnings
Knut F. Garshol
MBT International UGC, Switzerland

11:50 a.m. - 12:10 p.m. Single-Shell Permanent Lining Reflections from the Structural Point of View
R. Pöttler, and H.F. Schweiger
ILF Consulting Engineering, Austria

12:10 p.m. - 12:30 p.m. Durability of Steel Fibre Reinforced Shotcrete With Regard to Corrosion
Erik Nordstrom
Vattenfall Utveckling AB - Concrete Technology, Sweden

12:30 p.m. - 2:00 p.m. Lunch

2:00 p.m. - 3:00 p.m. KEYNOTE LECTURE:
Behaviour of Early-Age Shotcrete
Johan Golser, Austria

3:00 p m. - 5:35 p.m. SESSION III: EARLY-AGE SHOTCRETE
Session Chair: Selmo C. Kuperman, Brazil

3:00 p.m. - 3:25 p.m. Physical Method to Increase Shotcrete Early-Age Strength
D.A. Ferreira, T.B. Celestino
University of Sao Paulo, Brazil

3:25 p.m. - 3:50 p.m. Early Strength and Physical Properties in Accelerated Shotcrete
Antonio D. De Figueiredo
University of Sao Paulo, Brazil

3:50 p.m. - 4:15 p.m. The Technological Properties of Early-Age Steel Fibre
Reinforced Shotcrete
W. Kusterle and Y. Ding
University of Innsbruck, Austria

4:15 p.m. - 4:45 p.m. Coffee Break

4:45 p.m. - 5:10 p.m. Workability and Mix-Design Analysis on Dry-Mix Shotcrete
Antonio D. De Figueiredo
University of Sao Paulo, Brazil

5:10 p.m. - 5:35 p.m. Early-age Properties of Shotcrete
Flavio Kuwajima
ITA-Instituto Tecnologico da Aeronautica -SPG Engenharia - Sao Paulo, Brazil

5:35 p.m. - 8:00 p.m. Poster Session

8:00 p.m. - 9:30 p.m. Dinner

9:30 p.m. - 11:00 p.m. Cultural Event
`"Gunite Goodnight Concert"

Tuesday, April 13, 1999

7:00 a.m. - 8:30 a.m. Breakfast

8:30 a.m. - 9:30 a.m. KEYNOTE LECTURE:
Single Shell Shotcrete as Permanent Lining
R. Pöttler, Austria & H. Klapperich, Germany

9:30 a.m. - 11:15 a.m. SESSION IV: EQUIPMENT - NEW TECHNOLOGIES
Session Chair: Knut Garshol, Norway

9:30 a.m. - 9:55 a.m. High Performance Polymer Fiber Reinforced Shotcrete
Melvyn A. Galinat
Synthetic Industries Inc., USA

9:55 a.m. - 10:20 a.m. Modern Spraying Equipment
Domingo Zängerle
Aliva, a Division of SIKA EQUIPMENT AG, Switzerland

10:20 a.m. - 10:50 a.m. Coffee Break

10:50 a.m. - 11:15 p.m. Calcium Sulfo-Aluminate Based Accelerator for
High-Strength Shotcrete in Japan
Atsumo Ishida
Denki Kagaku Kogyo Co., Ltd., Japan

11:15 a.m. - 12:15 p.m. Special Lecture: System Ductility of Mesh and Fibre Reinforced Shotcrete
D. R. Morgan, Canada

12:15 p.m. - 2:00 p.m. Lunch

2:00 p.m. - 6:00 p.m. Ad hoc sessions / Nature Walk / Free Time

6:00 p.m. - 8:00 p.m. Workshop
Steel Ribs X Fibers
Water-Tightness X Drainage

8:00 p.m. - 9:30 p.m. Dinner

9:30 p.m. - 11:00 p.m. Social Hour

Wednesday, April 14, 1999

7:00 a.m. - 8:30 a.m. Breakfast

8:30 a.m. - 9:30 a.m. KEYNOTE LECTURE:
Early Developments of Shotcrete and Steel Fibre Shotcrete
Harvey Parker, USA

9:30 a.m. - 12:50 p.m. SESSION V: DESIGN AND CONSTRUCTION
Session Chair: David Wood, Canada

9:30 a.m. - 9:55 a.m. Some Thoughts Concerning the Design of Shotcrete Linings
Roberto Kochen
Escola Politecnica-USP and GeoCompany - Brazil

9:55 a.m. - 10:20 a.m. Analysis of Shotcrete Support Under Rockburst Conditions
Michel L. Van Sint Jan F.
Catholic University, Chile

10:20 a.m. - 10:50 a.m. Coffee Break

10:50 a.m. - 11:15 a.m. Single Shell Innovation by Shotcrete
H. Klapperich and R. Pöttler
DMT, Germany

11:15 a.m. - 11:40 a.m. Shotcrete Lining Concepts for New and Rehabilitated
Tunnels
Dr. Kurt Zeidler
G. Sauer Corporation, U.S.A.

11:40 a.m. - 11:50 a.m. Break

11:50 a.m. - 12:15 p.m. Broader View of Shotcrete Controland Design for Specific Utilization
João Duarte Guimarães Filho
ESTE Engenharia, Brazil

12:15 p.m.- 12:40 p.m. Highly Deformable Shotcrete Lining - Design and
Experience
W. Schubert, B. Moritz and R. Pöttler
Technical University of Graz, Austria

12:40 p.m. - 2:00 p.m. Lunch

2:00 p.m. - 3:00 p.m. KEYNOTE LECTURE:
Case Historie:Steel-fiber Reinforced Shotcrete
D.R. Morgan, Canada:

3:00 p.m. - 4:55 p.m. SESSION VI: CASE HISTORIES
Session Chair: Ferdinand M.G.Budweg, Brazil

3:00 p.m. - 3:25 p.m. Bacterial Corrosion of Shotcrete-Gaú/Sumare Tunnel of the São Paulo Metro
Giovanni Palermo, Brazil

3:25 p.m. - 3:55 p.m. Coffee Break

3:55 p.m. - 4:55 p.m. Special Lecture: Considerations in Specifying Shotcrete for Mining Applications
D. Wood, Canada

4:55 p.m. - 6:15 p.m. Sponsors Technical Presentation

6:30 p.m. - 9:30 p.m. Conference Banquet

9:30 p.m. - 11:00 p.m. Social Hour

Thursday, April 15, 1999

6:30 a.m. - 8:30 a.m. Breakfast

7:30 a.m. - 11:30 a.m. Trip to Votorantim

11:30 a.m. - 1:00 p.m. Lunch

1:00 p.m. - 3:00 p.m. Technical Tour

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