Intro
Preface
Organization
List of Reviewers
Contents
About the Editors
Assessment of Global Digital Height Models over Quang Ninh Province, Vietnam
1 Introduction
2 Study Area and Datasets
2.1 Study Area
2.2 Datasets
3 Methods
4 Results and Discussion
5 Conclusions
References
Rock Mass Classification for the Assessment of Blastability in Tropically Weathered Limestones
1 Introduction
1.1 Statement of the Problem
1.2 Objectives of the Study
1.3 Scope of the Study
2 Literature Review
3 Blastability Index (BI)

3.1 Blastability Index by [43]
4 Comparison of Application Based Rock Mass Classification Systems with Blastability
4.1 Excavation Assessment with Rock Mass Classification
4.2 Assessment of Slope Stability with Rock Mass Classification
5 Development Rock Mass Classification Systems for Karst
5.1 Karst Classification from an Engineering Perspective
5.2 Tower and Cone Karst System
6 Findings of Site Study
6.1 Site Study of Limestone Quarry at Thailand
6.2 Site Study of Limestone Quarry at Cambodia
6.3 Site Study of Limestone Quarry at Sri Lanka

7 Comparison of Tropically Weathered Limestones in Thailand, Cambodia and Sri Lanka
8 Need for Future Research
9 Conclusion
References
Study on the Reasonable Parameters of the Concentric Hemisphere-Style Shaped Charge for Destroying Rock
1 Introduction
2 Analysing Theoretical Basis of Direct Mechanical Effects of Explosive Products
3 Determining the Reasonable Congruent Parameters of the Shaped Charge
3.1 Establishing a Rule Depends on the Explosive Energy Efficiency of Concentrated Sphere-Shaped Explosive Volume with a Concentric Conical Cone

3.2 Analysis and Selection of Reasonable Uniform Parameters of the Concentric Concave Spherical Charge
4 Experimental Framework
4.1 Purpose
4.2 Describe the Experimental Model and the Method of Conducting the Experiment
4.3 Experimental Results
5 Analysis of Experimental Results
6 Conclusions
References
Effect of Carbon Nanotubes on the Chloride Penetration in Ultra-High-Performance Concrete
1 Introduction
2 Materials and Methods
2.1 Materials
2.2 Experimental Methods
2.3 Concrete Mix Proportions
2.4 Mixing Procedure, Curing Conditions

3 Experimental Results and Discussion
3.1 Flow of Freshly Mixed UHPC
3.2 Compressive Strength
3.3 The Microstructure of UHPC Using CNTs
3.4 Chloride ion Concentration and Chloride ion Diffusion in Concrete
4 Conclusions
References
Estimating the Radial Displacement on the Tunnel Boundary Within Efficient Working Area of Rock Tunneling Quality Index (Q-System)
1 Introduction
2 The Efficient Working Area of Q-system
3 Cases Study and Numerical Model
4 Evaluation of Rock Mass and Rock Support Parameters
5 Results and Discussion
6 Conclusions
References