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2024 | Book

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Detection of Karst Voids at Deep Pile Foundation

Authors: Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li, Fengjuan Tao

Publisher: Springer Nature Singapore

Part of: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik" , Springer Professional "Wirtschaft"

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About this book

Karst voids at pile locations can have a significant negative impact on the bearing capacity and overall safety of cast-in-place pile foundations. This book introduces a state-of-the-art detection system, comprising of specialized equipment, algorithms, and software, designed to identify karst voids during deep cast-in-place pile foundation construction. The system includes a unique multifrequency borehole sonic probe, a single borehole radar, two pile hole sonar probes, and a corresponding signal analysis method. Several field and synthetic tests have been conducted to detect karst voids during cast-in-place pile foundation construction, and the results demonstrate that this technology can offer detailed geological information for pile design and ensure the safety of foundation construction. The work presented in this book has received the First Prize for Technological Invention in Shanghai, China in 2022.

Table of Contents

Frontmatter
Chapter 1. Introduction
Abstract
Chapter 1 provides an overview of detection methods for karst voids at pile locations and serves as an introduction to the book.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Chapter 2. Overall Strategy
Abstract
Chapter 2 introduces the overall detection strategy and explains the rationale behind the approach.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Chapter 3. Borehole Sonic Detection Equipment
Abstract
Chapter 3 presents the borehole multi-frequency sonic detection equipment.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Chapter 4. Borehole Sonic Detection Analysis Method
Abstract
Chapter 4 outlines the analysis methods for borehole multi-frequency sonic detection of karst voids at pile locations.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Chapter 5. Inversion of Borehole Sonic Detection
Abstract
Chapter 5 details the process of performing full waveform inversion for borehole sonic detection data.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Chapter 6. Borehole Radar Detection Method
Abstract
Chapter 6 introduces further detection of karst voids using single borehole radar technology.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Chapter 7. Pile Hole Sonar Detection Equipment
Abstract
Chapter 7 presents a novel sonar detection technique used within pile holes to investigate karst voids beneath the pile.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Chapter 8. Pile Hole Sonar Detection Analysis Method
Abstract
Chapter 8 explains how to analyze pile hole sonar detection data.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Chapter 9. Advanced Pile Hole Sonar Detection System
Abstract
Chapter 9 introduces a more advanced sonar array detection method for pile holes and the corresponding analysis techniques.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Chapter 10. Complete Application
Abstract
Chapter 10 reports a case study using both borehole and pile hole-based detection methods.
Liu Liu, Zhenming Shi, Ming Peng, Shaojun Li
Backmatter
Metadata
Title
Detection of Karst Voids at Deep Pile Foundation
Authors
Liu Liu
Zhenming Shi
Ming Peng
Shaojun Li
Fengjuan Tao
Copyright Year
2024
Publisher
Springer Nature Singapore
Electronic ISBN
978-981-9758-34-0
Print ISBN
978-981-9758-33-3
DOI
https://doi.org/10.1007/978-981-97-5834-0