Computer Integrated Steel Bridge Design and Construction
Expanding Automation
Final Report

APPENDIX "F"

Glossary

AASHTO: American Association of State Highway and Transportation Officials. May refer to the Standard Specifications (or LRFD Specs) for Design of Highway Bridges or to the organization whose committees (e.g., T-14 for Steel Structures) recommend changes to those Specifications.

AISC: American Institute of Steel Construction, which provides a certification mechanism for fabricators.

AISI: American Iron and Steel Institute

ASME: American Society of Mechanical Engineers. May also refer to the code governing welding of pressure vessels.

Auto-UT: Automated Ultrasonic Testing (NDE) of welds

AWS: American Welding Society. Also often refers to the D1.5 Bridge Welding Code

B2B: Business-to-Business (e.g., as contrasted with Business-to-consumer)

CAD: Computer Aided Design, or Computer Aided Drafting

CAM: Computer Aided Manufacturing, where software drives fabrication machines

CE: Carbon Equivalent, a measure of the influence of chemical composition on the susceptibility of a weld to cracking

CM: Construction Management, Construction Manager

CNC: Computer Numerical Control (that increasingly drives steel fabrication shop machines)

DB, D/B: Design/Build

DBFO: Design/Build/Finance/Operate

DGN: The file format used by MicroStation CAD software

DOT: state Department of Transportation

e-: electronic, typically using the Internet. e. g.,

e-commerce: electronic commerce, i.e., utilizing the Internet for buying/selling

e-submittal/transmittal: electronic "shipping," e.g., of shop drawings

e-redlining: electronic markups, e.g., of shop drawings

EWI: Edison Welding Institute, Columbus, Ohio

Fab: steel fabrication including cutting, bending, punching/drilling, welding, handling, and painting

FCAW: Flux-Cored Arc Welding

FEA: Finite Element Analysis

FHWA: Federal Highway Administration

G.C.: General Contractor

GIS: Geographical Information System

GMAW: Gas Metal Arc Welding process

Inner Shield: One supplier's name for FCAW welding electrodes

ISO: International Standards Organization

IT: Information Technology

Laydown: physical pre-assembly of the superstructure framing of a steel bridge prior to shipping of the fabricated girders to the job site

LRFD: Load and Resistance Factor Design, which is the basis of the AASHTO LRFD Bridge Design Specifications.

MIG: Metal Inert Gas welding process, a type of GMAW

Mill cert: Steel mill provided certification of steel mechanical properties and chemical composition for a particular heat of steel produced

NC: See CNC

NCHRP: National Cooperative Highway Research Program, the research arm of AASHTO

NDE: Nondestructive Examination, Nondestructive Evaluation

NDT: Nondestructive Testing, often used interchangeably with NDE

NHI: National Highway Institute

NIST: National Institute of Standards and Technology

NSBA: National Steel Bridge Alliance

PDF: Portable Document Format, a popular file format for electronic documents

PQR: Welding Procedure Qualification Record (for weld acceptance testing)

QA & QC: Quality Assurance and Quality Control

Reaming: re-drilling undersized holes to achieve full-size holes after physical pre-assembly to assure proper fitup

RFI: Request For Information

ROI: Return on Investment

RT: Radiographic Testing for NDE of welds

SAW: Submerged-Arc Welding process

SCEF: Mid Atlantic States Structural Committee for Economic Fabrication Standards

Subarc: see SAW

TIFF: a popular file format for graphical images

TRB: Transportation Research Board

Turner-Fairbank: FHWA's research laboratory in northern Virginia

TWI: The Welding Institute, located in the U.K.

UT: Ultrasonic Testing for NDE of welds

Appendix E | Table of Contents