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Nonlinear Analysis of Reinforced Concrete. Xuehui AN. Today’s Agenda. Review of last week’s lecture Constitutive Models for RC (I) Today’s Topic. General Methods. Constitutive Models. Experimental Results. Modeling. Concrete, Reinforcement, Bond, Crack. Microstructure, bond.

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Presentation Transcript
slide2

Today’s Agenda

  • Review of last week’s lecture
  • Constitutive Models for RC (I)
  • Today’s Topic
general methods
General Methods

Constitutive Models

Experimental Results

Modeling

Concrete, Reinforcement,

Bond, Crack

Microstructure, bond

Level 0

Modeling

Modeling

1-D RC stress-strain

Bond

1-D Stress RC

Level 1

Modeling

Modeling

2-D RC

stress-strain

2-D Stress RC Plates

Level 2

Modeling

Modeling

2-D RC Members

Force-Deformation

2-D RC Members

Level 3

general methods smeared average
General MethodsSmeared Average

Level 2

Level 3

Level 1

Level 0

general methods smeared average1
General MethodsSmeared Average

Level 2

Level 1

Level 3

slide6

Chapter 2

Reinforced Concrete Plate Element Model

1 Method of Modeling

2 Concrete Model Prior to Generation of Cracks

(1) Elasto-Plastic and Fracture Model

(2) Cracking Criteria

3 Modeling of Cracked Concrete

(1) Modeling of Concrete under Tensile Stress

(2) Modeling of Concrete under Compressive stress

(3) Modeling of Concrete under Shear Stress

(4) Inter-relation of Each Model

4 Modeling of Reinforcing Bar in Concrete

5 Verification

slide8

1 Method of Modeling

2 Concrete Model Prior to Generation of Cracks

(1) Elasto-Plastic and Fracture Model

(2) Cracking Criteria

3 Modeling of Cracked Concrete

(1) Modeling of Concrete under Tensile Stress

(2) Modeling of Concrete under Compressive stress

(3) Modeling of Concrete under Shear Stress

(4) Inter-relation of Each Model

4 Modeling of Reinforcing Bar in Concrete

5 Verification

slide9

Strain ----Stress of RC =

stress of concrete +

stress of steel

stress

strain

slide10

1 Method of Modeling

2 Concrete Model Prior to Generation of Cracks

(1) Elasto-Plastic and Fracture Model

(2) Cracking Criteria

3 Modeling of Cracked Concrete

(1) Modeling of Concrete under Tensile Stress

(2) Modeling of Concrete under Compressive stress

(3) Modeling of Concrete under Shear Stress

(4) Inter-relation of Each Model

4 Modeling of Reinforcing Bar in Concrete

5 Verification

today s topic disaster mitigation and life cycle management
Today’s Topic:Disaster Mitigation and Life Cycle Management
  • Input
  • Simulator (Model and Tool)
  • Society Engineering
    • Information Sharing
    • Business Motivation
slide18

Life-Cycle-Cost

Life-Cycle-Management

Construction

Material study

Structural performance

study

Lease

Resale

Management

Insurance

Cost

Management

Information Technology

Environment

Society

Design

Serving

Geographic

Geological Study

Investigation

Structural performance

evaluation

Recycle

Maintaining / Repair

Material study

A Sustainable World

disaster mitigation and life cycle management
Disaster Mitigation and Life Cycle Management

LCC=Ci + Cm + Cl + Cr+ Ca

LCC:生命周期总成本(Life Cycle Cost);

Ci :初始成本(Initial Cost),建设费用;

Cm :维护管理成本(Maintaining Cost) ;

Cl :损失成本 (Losing Cost);

Cr :维修加固成本(Repairing Cost);

Ca :拆毁废弃成本(Abandon Cost)。

A Sustainable World

disaster mitigation and life cycle management1
Disaster Mitigation and Life Cycle Management

LCC=Ci + Cm + Cl + Cr+ Ca

LCC:生命周期总成本(Life Cycle Cost);

Ci :初始成本(Initial Cost),建设费用;

Cm :维护管理成本(Maintaining Cost) ;

Cl :损失成本 (Losing Cost);

Cr :维修加固成本(Repairing Cost);

Ca :拆毁废弃成本(Abandon Cost)。

Performance

Initial Performance

Damage

Maintaining

Required

Performance

  • Prediction of damage
  • Evaluation of maintaining effect

Required Life

Life Cycle

A Sustainable World

disaster mitigation and life cycle management2
Disaster Mitigation and Life Cycle Management

LCC=Ci + Cm + Cl + Cr+ Ca

LCC:生命周期总成本(Life Cycle Cost);

Ci :初始成本(Initial Cost),建设费用;

Cm :维护管理成本(Maintaining Cost) ;

Cl :损失成本 (Losing Cost);

Cr :维修加固成本(Repairing Cost);

Ca :拆毁废弃成本(Abandon Cost)。

Performance

Initial Performance

Damage

Maintaining

Earthquake

disaster

Repairing

Required

Performance

  • Prediction of earthquake damage
  • Prediction of earthquake losing
  • Evaluation of repairing effect

Required Life

Life Cycle

A Sustainable World

today s topic disaster mitigation and life cycle management1
Today’s Topic:Disaster Mitigation and Life Cycle Management
  • Input
  • Simulator (Model and Tool)
  • Society Engineering
    • Information Sharing
    • Business Motivation

A Sustainable World

slide24

A Sustainable World

RB: Rubber Bearing

slide27

A Sustainable World

Isolating and damping effect