Deformation and Safety Control of Deep Excavation Engineering in Soft Soils

1 Introduction

1.1 Quality of Geotechnical Engineering

1.2 Soft Soil Excavation Engineering and Its Sustainable Development


2 Analysis of deep excavation deformation throughout the construction and its impact on surrounding environments

2.1 Overview

2.2 Deformation Induced by Group Hole Effects from Pile Installation Within the Excavation

2.3 Deformation Induced by Retaining Structure Construction

2.4 Deformation Induced by Pre-excavation Dewatering

2.5 Deformation Patterns Under Different Retaining Structure Types During Excavation

2.6 Deformation Induced by Pressure Relief Dewatering in Excavations

2.7 Impact of Excavation-Induced Deformation on Adjacent Tunnels and Comparative Analysis of Different Retaining Structure Deformation Modes

2.8 Impact of Excavation-Induced Deformation on Nearby Buildings at Different Distances and Angles


3 Passive and Active Control of Excavation-Induced Deformation

3.1 Concepts of Passive and Active Control for Excavation Deformation

3.2 Passive Control Technologies and Application Cases

3.3 Traditional Control Strategies for Dewatering-Induced Deformation

3.4 Principles and Current State of Active Control for Excavation Deformation


4 Theory and Application of Capsule Expansion Active Control Technology for Excavation-Induced Environmental Deformation

4.1 Background of Capsule Expansion Technology

4.2 Active Control of Soil Deformation Using Capsule Expansion

4.3 Active Control of Pile Foundation Deformation Using Capsule Expansion

4.4 Active Control of Tunnel Deformation Using Capsule Expansion

4.5 Effects of Capsule Expansion on Internal Forces and Deformation of Diaphragm Walls

4.6 Integrated Monitoring and Control Intelligent Equipment for Capsule Expansion

4.7 Engineering Applications of Capsule Expansion Active Control

4.8 Chapter Summary


5 Green and Low-Carbon Strut-free Technology for Deep Excavations

5.1 Overview of Strut-free Excavation Retaining Technology

5.2 Mechanism and Analysis Methods of Inclined Pile Strut-free Retaining System

5.3 Mechanism and Stability Analysis of Stepwise Strut-free Retaining System

5.4 Engineering Practices of Green, Low-Carbon, Strut-free Excavation Retaining Technology

5.5 Chapter Summary


6 Progressive Failure Mechanism of Excavation Engineering and Resilience-Based Prevention Strategies

6.1 Issues and Research Status of Progressive Failure in Excavation Engineering

6.2 Progressive Failure Mechanism and Prevention Design for Horizontally Supported Excavations

6.3 Progressive Failure Mechanism and Prevention Design for Cantilever Excavations

6.4 Progressive Failure Mechanism and Prevention Design for Internally Braced Excavations

6.5 Progressive Failure Mechanism and Prevention Design for Pile-Anchored Excavations

6.6 Resilience-Based Prevention Design for Excavations at Three Levels