Syllabus For The Subject Design of Industrial Structures & Bridges

DESIGN OF INDUSTRIAL STRUCTURES & BRIDGES

Part 1

General

1 Introduction

History of bridges

Bridge types and design process

Loads and load factors

Current development of analysis and design of bridges

Outlook on analysis and design of bridges

 

2 Approximate and refined analysis methods

Introduction

Various bridge structural forms

Beam deck type

Slab deck type

Beam-slab deck type

Cellular deck type

Approximate analysis methods

Plane frame analysis method

Refined analysis methods

Grillage analogy method

Orthotropic plate method

Articulated plate method

Finite strip method

Finite element method

Live load influence surface

Different types of bridges with

Their selected mathematical modeling

Beam bridge and rigid frame bridge

Slab bridge

Beam-slab bridge

Cellular box girder bridge

Curved bridge

Truss bridge

Arch bridge

Cable-stayed bridge

Suspension bridge

3 Numerical methods in bridge structure analysis

Introduction

Finite element method

Basic

Geometric and elastic equations

Displacement functions of an element

Strain energy and principles of minimum

Potential energy and virtual works

Displacement relationship processing

When assembling global stiffness matrix

Nonlinearities

Frame element

Elastic stability

Applications in bridge analysis

Automatic time incremental creep analysis method

Incremental equilibrium equation

In creep and shrinkage analysis

Calculation of equivalent loads due to

Incremental creep and shrinkage

Automatic-determining time step

A simple example of creep analysis

Influence line/surface live loading method

Dynamic planning method and its

Application in searching extreme live loads

Transverse live loading

Influence surface loading

PART II

4 Reinforced concrete bridges

Introduction

Concrete and steel material properties

Unconfined and confined concrete

Reinforcing steel

FRC and FRP

Inverse analysis method

Behavior of no skewed /skewed

Concrete beam-slab bridges

Principle and modeling of concrete beam-slab bridges

Linear elastic modeling

Nonlinear modeling

Cracking and retention of shear stiffness

FRC/FRP modeling

2D and 3D illustrated examples: three-span

Continuous skewed concrete slab bridges

2D and 3D illustrated examples: RCT-beam brifge

3D illustrated examples: skewed simple-span

Transversely post-tensioned adjacent precast-concrete

Slab bridges-knoxville bridge,Frederick, Maryland

 

5 Prestressed/post-tensioned concrete bridges

Prestressing   basics

Principle and modeling of prestressing

Tendon modeled as applied loading

Tendon modeled as load-resisting elements

2D and 3D modeling

2D illustrated example of prototype prestressed/

Post –tensioned concrete bridge in the united states

3D illustrated bridge-verzasca 2bridge, Switzerland

Visual bridge design system

Verzasca 2 bridge models

Model 1: continuous girder

With constant cross section

Model 2: continuous girder

With skew supports

Model 3: one girder built

In a single stage

Model 4: girder built with

Actual construction stages

Model 5: three girders

Skew supported

Verzasca  2 bridge analysis results

Model 1 :continuous girder

With constant cross  section

Model 2 : continuous girder

With skew supports

Model 3 one girder built

In a single stage

Model 4 : girder built with

Actual construction stage

Mode 5: three girders

Skew supported

3D illustrated examples of US23043 precast

Prestressed concrete beam bridge-maryland

US23043 bridge models

Model 1: slab modeled

With plate element

Model 2 : slab modeled

With beam element

Bridge analysis results

Model slab modeled

With beam elements

Illustrated box-girder bridge

Illustrated example of long-span concrete cantilever

Bridges-jiangsu,people’s republic of china

The continuous rigid frame of souting  bridge

Approach spans

Results of webs’bent-down tendons

Results of two approacbes on deflections

 

6 curved concrete bridges

Basic of curved concrete bridges

Introduction

Stresses of curved concrete box under torsion

Equations for multiple cells

Equilibrium equations

Compatibility equations

Constitutive laws of materials

Construction geometry control

Principle and modeling of curved concrete bridges

Modeling of curved concrete bridges

Modeling of material properties

Modeling of live loads

Modeling of lateral restraint and movement

Spine model illustrated examples of pengpo

Interchange, henan,people ‘s republic of china

Grillage model illustrated examples

FHWA bridge

3D finite element model illustrated

Examples-NCHRP case study bridge

 

7 Straight and curved steel I-girder bridges

Behavior of steel I-girder bridges

Composite bridge sections under

Different load levels

Various stress effects

Section property in the grid

Modeling considerations

Principle and modeling of steel I-girder bridges

Analysis methods

Modeling in specific regions

Live load application

Girder-substringer systems

Steel  I-gider during construction

2D and 3D illustrated examples of a haunched steel

I-girder bridge-MD140 bridge,Maryland

2D and 3D illustrated example of a skewed and

Kinked steel I-girder bridge with straddle bent

2D and 3D illustrated  example of a global

And local modeling of a simple-span steel

I-girder bridge-I-270 middlebrook road

Bridge,Germantown ,Maryland

 

8 Straight and curved steel box girder bridges

Behavior of steel box girder bridges

Bending effects

Longitudinal bending

Bending distortion

Torsional effects

Mixed torsion

Torsional distortion

Plate behavior and design

Principle and modeling of steel box girder bridges

2D and 3D finite element method

Consideration of modeling

Steel box girder bridges

Design considerations

Construction

Description of the noncomposite

Bridge models

2D and 3D illustrated examples of a curved box girder

Bridge-metro bridge over 1495 washinton DC

Curved box shell model

Curved box beam model

2D and 3D illustrated examples of three

Span curved box girder bridge-estero

Parkway bridge,lee country ,florida  

 

9 Arch bridges

Introduction

Classifications of arch bridges

Construction of arch bridges

Lupu bridge,people’s republic of china

Foundations

Arch ribs

Deck girders

Yajisha bridge,people’s republic of china

Cross section of the main arch

Vertical rotation

Horizontal rotation

Principle and analysis of arch bridges

Perfect arch axis of an arch bridge

Fatigue analysis and affecting factors

Positions of hangers

Distance between side

Hanger and arch springing

Measuring of hanger-cable force

Modeling of arch bridges

Arches

Deck

Hangers

Stability

3D illustrated example of construction analysis

Yajisha bridge,Guangzhou ,people’s republic

Of cina

3D illustrated example of proposed tied-arch

Bridge analysis-linyi ,people’s republic of china

3D illustrated example of an arch bridge

Liujiang yellow river bridge,zbengzhou

People‘s republic of china

 

10 Steel truss bridges

Introduction

Behavior of steel truss bridges

Simple and continuous truss bridges

Cantilevered truss bridges

Principle and modeling of steel truss bridges

3D illustrated example-pedestrian pony truss bridge

2D illustrated example-tydings bridges,Maryland

Thermal analysis

3D illustrated examples shang xin bridge

Zhejiang ,people’s republic of china

 

11 Cable-stayed  bridges

Basic of cable-stayed bridges

Behavior of cable-stayed bridges

Weakness of cable supports

Ideal state

Desired state

Anchor of pylons

Backward and forward analyses

Geometric nonlinearity-P-delta effect

Geometric nonlinearity –cable sag effect

Geometric nonlinearity

Large displacements

Stability

Dynamic behavior

Construction control

Observation errors

Measurement of cable forces

Construction errors

General procedures of construction control

Principle and modeling of cable-stayed bridges

Main girders

Pylons

Connections between girder and pylon

Cables

Illustrated example of sutong bridge

Jiangsu,people’s republic of china

Illustrated example with dynamic mode

Analysis of panyu bridge ,Guangdong ,people’s

Republic of china

Illustrated example with dynamic mode

Analysis of long cables with crossties

 

12 Suspensions bridges

Basic of suspension bridges

Construction of suspension bridges

Construction of pylons and anchorages

And install catwalk system

Erection of main cables

Erection of stiffened girder

Behavior of suspension bridges

Basic of cable structures-initial

Stress and large displacements

Basics of suspension bridges analysis

Live load analysis of a suspension bridge

Determination of the initial

Configuration of a suspension bridge

Consideration of a cable tangent changes

Offset of saddles and release

Of the deflection of pylons

Low initial stress stiffness of the

main cable close to pylons

low initial stress stiffness of the

main cable close to pylon

principle and modeling of suspension bridges

main cables

hangers

stiffened girder

pylons

saddles

3D illustrated examples of Chesapeake

Bay suspension bridge, Maryland

 

PART III

Special topics of bridges

13 strut-and-tie modeling

Principle of strut-and-tie model

Development of STM

Design methodology

Struts

Ties

Nodes

Hand-calculation example of STM

Hammerhead pier  no.49 of Thomas

Jefferson bridge,Maryland

Data

Determination of member forces

Design of the tie

Design of the strut

Representative pile-supported footing

Check the capacity of the ties

Check the capacity of struts

Check nodal zone stress limits

Check the detaling for the

Anchorage of the ties

2D illustrated example 1-abutment on pile

General properties

2D illustrated example-2—walled pier

2D illustrated example 3-crane beam

2D/3D illustrated example 4-hammerhead

Pier of Thomas Jefferson bridge

2D illustrated example 5—integral bent cap

Alternate compatibility STM and 2D illustrated

Example6—cracked deep bent cap

 

14 Stability

Basic of structural stability

Buckling

Linear buckling of a steel plate

Formulation of plate buckling

Solving plate and box

Girder bucking problems

Linear bucking of steel members

Buckling of steel structure

Members

Buckling analysis of a pony

Truss by Timoshenko’s method

Case study of pony truss by

Timoshenko’s method

FEM approach of stability analysis

3D illustrated example with linear buckling analysis

Of a pony truss,pennsylvnia

3D illustrated example with linear bucking analysis

Of a standard simple arch rib

3D illustrated example with linear bucking analysis

Of a proposed tied-arch bridge-linyi

People’s republic of china

3D illustrated example with nonlinear

Stability analysis of a cable-stayed bridge

Jiangsu ,people’s republic of china

 

15 Redundancy analysis

Basic of bridge redundancy

Principle and modeling of bridge redundancy

Analysis

Analysis cases

Finite element modeling

3D example with redundancy analysis

Of a pony truss Pennsylvania

Loadings cases

Results

Extreme event III

Extreme event IV

3d redundancy analysis under blast loading

Of a PC beam bridge Maryland

Bridge model 

Attack scenarios

Analyze structural response

3D analysis under blast loading of a

Steel plate girder bridge,Maryland

Bridge model

Attack scenarios

Analyze structural response

 

16 Integral bridges

Basic of integral bridges

Introduction

Types of integral aboutment

Principle and analysis of IABs

Force analysis

Modeling of IABs

Equivalent cantilever finite element model

Soil spring finite element model

Soil spring and p-y curve

Soil behind the aboutment

Soil around piles

Soil continuum finite element model

Illustrated example of a steel girder bridge

In soil spring finite elemnt model

Structure

Soil

Illustrated example of a steel girder bridge in

3D soil continuum finite element model

 

17 Dynamic/earthquake asnalysis

Basics of dynamic analysis

Principle of bridge dynamic analysis

Vehicle-bridge interaction

Pedestrian bridge vibrations

Bridge earthquake analysis

Linear and nonlinear

Seismic analysis

Nonlinear time-history analysis

Blast loading analysis

Wind analysis

Modeling of bridge for dynamic analysis

Linear elastic dynamic analysis

Soil stiffness

Nonlinear analysis

Nonlinear static –standard

Pushbover analysis

3D illustrated example of earthquake analysis by

SPA,MPA,and NL-THA-FHWA bridge no.4

Foundation stiffness

Finite element model and analyses

3D illustrated example of earthquake analysis by

SPA,MPA,and NL-THA-FHWA bridge no.4

Foundation stiffness

3D illustrated example of a high-pier bridge

Subjected to incidence seismic waves

Pingtang bridge,people’s republic of china

18 Bridge geometry  

Introduction

Roadway curves

Types of horizontal curves

Types of vertical curves

Types of transverse curves

Superelevation and superwidening

Bridge curves 

Curve calculations

Bridge mainline curve model

Roadway transverse curve model

Roadway transverse curves

Spiral calculation

Vertical parabola calculation

Curve and surface tessellation

Bridge deck point calculations

Precast segmental bridge geometry control

Basic

Long-line casting and

Short-line casting

Final curve and theoretical

Casting curves

Casting segment and

Match cast segment

Casting and matching

Control points and transformation

Procedures of casting and control

Error finding and correction

Evolution of geometry control

In precast segmental bridge

Geometry transformation

Direction consines

Direction conines matrix of

A local coordinate bsystem

Transformation between

Two coordinate system

Deflection of the casting

System in global system

An example of short-line match

Casting geometry control

Trend of bridge computer modeling and visualization

References

 

 

 

 

 

 

 

   

 

 

 

     

 

 

 

 

 

 

 

 

 

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