Civillery : LRFD Bridge Design

Civillery Zone, On this day we will share about the design of bridge. Especially designed the bridge according to the AASHTO-LRFD specifications. Load and Resistance Factor Design (LRFD) according to code 2005 is the nominal strength is Multiplied by a resistance factor, and the resulting design strength is then required to equal or exceed the required strength determined by structural analysis for the appropriate LRFD load combination specified by the applicable building code. LRFD is commonly used to design structures with steel elements. in the design of steel structures there are two philosophies that are often used is based planning working voltage / Allowable Stress Design (ASD) and limit states design / Load Resistance Factor Design (LRFD). ASD method has been used in a period of approximately 100 years in the design of steel structures. And the last 20 years of design principles steel structure began to turn to the concept of LRFD much more rational based on the concept of probability.
 
For those who wish to have the file please download at the link below. Its contents are as follows :

1.  Background and Theoritical Basis of LRFD
2. Chapter 1 Introduction 
3. Chapter 2 General Design Location Features
• Scope
• Definitions
• Location Features 
• Foundation Investigation 
• Design Objectives
• Hydrology ang Hydraulic
4. Chapter 3 Load and Load Factors
• Load Factors and Load Combinations
• Load Factors for Construction Loads
• Load Factors for Jacking and Post-Tensioning Forces
• Common Load Combinations 
• Dead Loads
• Live Loads (vehicle loads, braking loads, pedestrian loads and centrifugal Loads)
• Fatigue and Fracture Considerations 
• Wind Loads 
• Eatrhquake Effects
• Effects Due to Superimposed Deformations 
5. Chapter 4 Structural Analysis and Evaluation
• Acceptable Methods of Structural Analysis
• Approximate Methods of Analysis
6. Load Case Study (problems and solutions of bridge design) 

Download AASHTO-LRFD Bridge Design