nota kelas dr chapter 5- tunnel and underground

8/11/2019 Nota Kelas Dr Chapter 5- Tunnel and Underground

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Rock Engineering Course UiTM

Chapter 5.Tunnel and Underground Structure(Refer to Appendix #4 also)


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Tunnel and Underground Structures UiTM


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction


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1. Introduction

N u m

b e r o

f c o n s

t r u c

t i o n


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2. General Issues

2.1 Approach to Tunnel Design and Construction


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2. General Issues

2.2 Rock as a Construction Material


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2.3 Teamwork in Design

2. General Issues


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2.4 The Process of Design and Implementation

2. General Issues


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3.1 Principles of Tunnel Formation

3. Concept of Tunneling


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3.1 Principles of Tunnel Formation



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3.2 Mechanism of Ground Support



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3.2 Mechanism of Ground Support



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3.3 Sequence of Tunnel Design



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4.1 Stresses Around a Circular Opening in a Biaxial StressField

4. Elastic Analysis of Tunnel Ref) Kirsch equation, 1898


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4.2 Stresses Around a Circular Opening in a Uniaxial StressField



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4.3 Stresses Around a Circular Opening in a Hydrostatic

Stress Field


f


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5.1 Stress and Displacement Theory

5.Elasto-Plastic Analysis of Tunnel Ref) S.K.Sharan, 2003

Perfectly plastic

Brittle-plasticStress field at infinityElastic region

Elastic region

a

l l l f l


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5 El Pl i A l i f T l


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5 El Pl i A l i f T l


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5 Elasto-Plastic Analysis of Tunnel R f) C C T d


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5.2 Ground Reaction Curve (Convergence Confinement

Method)

5.Elasto-Plastic Analysis of Tunnel Ref) C.Carranza Torres andC. Fairhurst,2000

5 Elasto-Plastic Analysis of Tunnel Ref) C Carranza Torres and


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Method)




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Method)




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Method)

5.Elasto Plastic Analysis of Tunnel Ref) C.Carranza Torres andC. Fairhurst,2000

5 El t Pl ti A l i f T l


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5.3 Support Characteristic Curve (Convergence Confinemen

Method)

5.Elasto-Plastic Analysis of Tunnel Ref) P.P.Oresta, 2002

5 Elasto Plastic Anal sis of T nnel


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Method)


5 Elasto Plastic Analysis of Tunnel


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Method)


5 Elasto Plastic Analysis of Tunnel


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Method)


6 New Austrian Tunneling Method


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6.1 Definition of NATM

6. New Austrian Tunneling Method

6 Principle of NATM


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6.2 Basic Principles of NATM

6. Principle of NATM

6 Principle of NATM


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6.3 NATM as a Design Philosophy

6.4 NATM as a Construction Method

6 Principle of NATM


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6.5 Determination of Optimal Support Time


6 Principle of NATM


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6.6 Construction of NATM


7 Time-Dependent Tunnel Behavior


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7.1 Introduction

7. Time-Dependent Tunnel Behavior

Figure 5: (Left) Explotraary adit (Right) Deformed lining from the numerical analysis (after swelling)


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7.2 Visco-elastic tunnel behavior




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7. Time Dependent Tunnel Behavior



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7.3 Visco-plastic tunnel behavior




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7.3 Visco-plastic tunnel behavior


S t r e n g

t h r a

t i o



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7.4 Modeling of elastic visco plastic model




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nota kelas dr chapter 5- tunnel and underground

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