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JAN 2007

WALTER P MOORE

SPORTS COMMUNITY

of PRACTICE

Presentation

SCoP

ARKANSAS UNIVERSITY

RAZORBACK STADIUM

RENOVATION

RANDALL L. BRAUN, P.E.

MARCH 16, 2017

Randy Braun, P.E., Principal

Structural Engineer

Started June 1997 at Walter P Moore

Iowa State University ‘95, ‘97

20 Offices

600+ Staff

200+ Licensed Engineers

El Paso

Houston

Kansas City

Las Vegas

Los Angeles

Orlando

Panama City

Pune

San Francisco

Tampa

Atlanta

Austin

Calgary

Dallas

Durham

Toronto

Tulsa

Vancouver

Washington, D.C.

The Woodlands

We are a U.S.-based consulting engineering

firm providing a comprehensive suite of

high-quality services to discerning clients

throughout the world.

Services

Presentation Agenda

• Overall project discussion

• Structural systems overview

• Structural challenges

Retention System

Truss Design for Vibrations

South Scoreboard

RAZORBACK STADIUM RENOVATION

NEW NORTH ENDZONE

NEW SOUTH SCOREBOARD

STADIUM HISTORY

Opened 1938 13,500 seats

1947 +2500 Seats

1950 +5200 Seats, Press Box

1957 +5200 Seats

1965 +14,000 Seats

1975 Broyles Center

1985 + 10,000 Seats

2000 “NEZ Jumbotron”

2001 +21,000 Seats

Capacity Today 72,000 Seats

$150M Total Cost

232,000 SF

$150M Total Cost

232,000 SF

$150M Total Cost

232,000 SF

$150M Total Cost

232,000 SF

NORTH ENDZONE

BEFORE AFTER

NEW 6300 SF SCOREBOARD

4800 ADDITIONAL SEATS

360 DEGREE CONCOURSE

SOUTH SCOREBOARD

BEFORE AFTER

Design and Construction Team

TRILOGY

CONCRETE

Schedule

SD

DD

CD

12 Mos.

CONSTRUCTION

19 Mos.

Schedule Driver: Scoreboards open by 2017 season

8.5 months Demo - Operational

EXISTING STRUCTURE

EXISTING + NEW

STRUCTURE

NEW STRUCTURE ONLY

Roof:1 ½” Type B 20 Ga.

Galv. Roof Deck over LH

bar joists

Concourse 1’-2” total

thickness split slab

assembly

Drilled Piers 15-20’ deep

Scoreboard

Braced Frame

Elevated Floors: 4 ½” NWC

over 3” 20 Gage Comp Deck

over Steel Composite Beams

5” Slab on Grade

with Macrofibers

Precast Concrete lid

over “gap”

Structural System

Precast Seating

Units and Tubs over

Steel Truss Rakers

Hybrid Retention

System

Steel Braced Frames Steel Raker Trusses

Steel Plate Transfer Girders

RETENTION SYSTEM

RETENTION SYSTEM: BASIC SYSTEM

45

’-55

’ D

EE

P

PERMANENT

HYBRID TIED-

BACK SYSTEM

4’-6’ GAP

12” NLB CMU

10” PRECAST

CONCRETE

SLABS TO

GRADE BEAMS

2”-4” EJ

2”-4” EJ

~52,000 SQUARE FEET

RETENTION SYSTEM TYPES

PERMANENT

TIED-BACK

SOLDIER PILES AT

EXISTING

RETENTION SYSTEM TYPES

PERMANENT SOIL

NAIL WALL

NORTH RAZORBACK ROAD

– STATE HIGHWAY

RETENTION SYSTEM TYPES

HYBRID: MSE OVER

PERMANENT TIED BACK

SOLDER PILES

SEATING TRUSS DESIGN FOR VIBRATION

CLUB LEVEL RAKER TRUSSES

I Struct E AISC DG 11

VIBRATION DESIGN CRITERIA

Four ISE Performance Scenarios

respond to fan behavior and expectations

Scenario 3: 263 TONS OF STEEL

Scenario 4: 388 TONS OF STEEL

SOUTH SCOREBOARD – HOW BIG CAN IT BE?

DESIGNED FOR FUTURE SEATING

SOUTH SCOREBOARD – ANALYSIS

SOUTH SCOREBOARD SOUTH SCOREBOARD – GLASS WALL HEAD ISSUE WIND

VERTICAL

DEFLECTIO

N

?’s

Randy Braun

rbraun@walterpmoore.com

CONSTRUCTION PROGRESS CAMERAS:

https://app.oxblue.com/open/universityofarkansas

PROJECT INFORMATION:

http://arkansasrazorbacks.com/dwrrs/