No Module Code Module Title AY2016/ CE5101 Seepage & Consolidation of Soils Semester 1. 2 CE5104 Underground Space Semester 1

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1 LIST OF GRADUATE MODULES CIVIL & ENVIRONMENTAL ENGINEERING Information is correct 20 Jul CEE reserves the right to update in short notice. GEOTECHNICAL Note: ** Level-6 module, PhD and MEng. No Module Code Module Title AY2016/ CE5101 Seepage & Consolidation of Soils Semester 1 2 CE5104 Underground Space Semester 1 3 CE5108 Earth Retaining Structures Semester 1 4 CE5113 Geotechnical Investigation & Monitoring Semester 1 5 CE6101** Geotechnical Constitutive Modelling Semester 1 6 CE5105 Analytical & Numerical Methods In Foundation Engineering Semester 2 7 CE5106 Ground Improvement Semester 2 8 CE5107 Pile Foundations Semester 2 9 CE5112 Structural Support Systems for Excavation Semester 2 10 CE6102** Geotechnical Analysis Semester 2 11 CE5111 Underground Construction Design Project Semester 1 & 2 Procedure for Module Registration Student will select a project with input from a faculty member who may be appointed as the project supervisor/s. In consultation with project supervisor/s, a project proposal is to be submitted to MSc Geotechnical Engineering Programme Manager for approval. Once approved, student is to register for CE5111 through online module registration exercise. The project may commence after registration of module and is to be completed within 1 (one) semester. 1

2 CE5101 Seepage & Consolidation of Soils Assoc. Prof Tan Siew Ann Workload per Week: Pre-requisite: CE4-standing or higher This is an advanced module in flow through a two-phase medium. The topics that are covered include steady state seepage and basic transient seepage, basic contaminant transport processes, measurement of hydraulic transport parameters, and its applications to dewatering of excavations and seepage through embankments as to their influence on slope stability. Consolidation theory from 1-D to 3-D consolidation analysis, and methods of accelerating consolidation, with application to computing settlements of foundations. Students are taught Darcy's Law, continuity equation, coupling between effective stress and pore pressure, and the solution methods inclusive of FEM modelling. The goals of the module are analysis of seepage problems, analysis of consolidation problems, design methods to accelerate consolidation to solve stability and settlements problems in geotechnical engineering. Good understanding of seepage theory and its applications to dewatering of excavations and slope stability problems. Good understanding of consolidation theory and its application to foundation settlement problems. Good understanding of radial consolidation and its application to vertical drains and surcharge for rapid improvement of soft ground for foundation purposes. Able to use modern geotechnical FEM tools to solve seepage and consolidation types problems. 2

3 CE5104 Underground Space Prof Leung Chun Fai Workload per Week: Pre-requisite: CE2112 Soil Mechanics OR CE4-standing or higher Preclusions: Replacing earlier module CE5103 Tunnelling and Rock Mechanics This is an advanced module on analysis and design of tunnels. The topics covered include bored tunnelling methods, construction of caverns, New Austrian Tunnelling Method, jack tunnelling, stability of underground openings, ground movement prediction due to tunnels, effects of ground movements on buildings and structures, instrumentation and monitoring, and stresses on lining. The creation of underground structures to form subways, underpasses, metro stations and other uses is an increasing requirement in major urban areas worldwide. Students are taught the various methods of construction for creating underground space. Appreciate construction issues for tunnelling in soil and rock Able to analyse and design tunnel excavation and support Appreciate the roles of models and their limitations for analysis and design Able to estimate appropriate soil parameters for various models Able to prepare an engineering report 3

4 CE5105 Analytical & Numerical Methods In Foundation Engineering Asst. Prof Ku Taeseo / Assoc. Prof Tan Siew Ann Workload per Week: Pre-requisite: CE2112 Soil Mechanics or equivalent This course introduces students to soil models and methods of analysing such models. The central idea is to convey to the students the need to develop simplified conceptual model to better understand foundation analysis. The students will be exposed to a variety of models and both analytical and numerical approach. Specific ideas concerning beams and rafts on Winkler soil will be discussed, and then extended to problems such piles and piles-groups, considering both linear and nonlinear soil behaviour. Dynamic loads on piles will also be introduced, and both steady-state and transient responses examined. Pile driving analysis by the wave equation will also be covered. Simulation of deep excavations: sheet pile walls; diaphragm walls; struts; ground anchors. Case studies are used to illustrate the application of the above techniques. The course enables students to acquire the knowledge and practical skills through the course, assignments and a mini-project. Appreciate role of theory versus numerical analysis Achieve a good physical understanding of foundation-soil interaction problems through analytical and numerical solutions Appreciation of Winkler and continuum soil models Able to solve realistic scenarios using numerical techniques (finite difference and finite element methods) Able to estimate appropriate soil parameters for different models Able to perform an independent computational study of a real-world problem and to prepare a professional report and presentation 4

5 CE5106 Ground Improvement Asst. Prof Chew Soon Hoe Workload per Week: Pre-requisite: CE2112 Soil Mechanics or CE4-standing or higher This is an advanced module on ground improvement techniques as well as its design, construction and monitoring in geotechnical engineering. Topics covered include ground improvement principles and design considerations, techniques of improving granular soils, techniques of improving cohesive soils and peaty soils, field controls and monitoring, field evaluation specification, performance evaluation and acceptance criteria, and case study. Student are taught the basic principles of various ground improvement techniques, and how to select the most appropriate ground improvement techniques to be used in specific circumstances. Specific learning objectives include understanding the principles and design of vibro-flotation method, dynamic compaction, dynamic replacement with mixing, vertical drains with preloading, chemical stabilization and grouting, etc. Field construction control and instrumentation as well as monitoring techniques will be discussed. Broad appreciation of the various ground improvement techniques available for the improvement of various type of ground for various purposes. Understand the basic principles of these ground improvement techniques, and be aware of their strength, limitation and suitability to be used in various types of ground. Equipped with the essential concepts and methodology for the planning, design and implementation of ground instrumentation programmes to monitor the success of ground improvement scheme. Able to comprehend the influence of these ground improvement scheme onto the existing facilities and its surrounding. Able to work in a project team for professional design works, and made professional presentation. 5

6 CE5107 Pile Foundations Asst. Prof Ku Taeseo / Assoc. Prof Tan Siew Ann Workload per Week: Pre-requisite: Undergraduate Students: CE2112 Soil Mechanics, and CE3116 Foundation Engineering Graduate Students: Graduate students: Background in Soil Mechanics and Foundation Engineering The course introduces students to the advanced principles and concepts on the analysis and design of pile foundations. Students will also learn how to appreciate and appraise complex pile foundation problems under various loading and boundary conditions. The course enables students to acquire the knowledge and practical skills through the course project assignments and case studies in the practice of advanced pile design. Appreciate the design and construction issues and concepts for pile foundation Appreciate the roles of models and their limitations for analysis and design Able to estimate appropriate soil parameters for various models Able to analyse and design pile foundations Able to prepare an engineering report 6

7 CE5108 Earth Retaining Structures Assoc. Prof Goh Siang Huat / Assoc. Prof Tan Siew Ann Workload per Week: Pre-requisite: CE2112 Soil Mechanics OR CE4-standing or higher This is an advanced module in earth-retaining structures and deep excavations. Topics include earth pressure theories, rigid retaining structures, flexible retaining structures, cellular cofferdams, retaining walls for deep excavations, support systems for deep excavations, and field monitoring. Students are taught to deal with design and construction issues pertaining to a spectrum of earthretaining systems from low rigid retaining walls to flexible support systems for deep excavations. Students will also learn to apply the methods of limit state, such as BS8002 and Eurocode7, to the design of rigid and flexible retaining walls. Applications of commercial geotechnical FEM softwares are taught to aid in design of deep excavations to limit ground deformations and satisfy SLS requirements. At the end of the course, students are taught the application of advanced earth pressure theories, selection of appropriate retaining structures, and verification of capacity and movement requirements, using limit equilibrium and FEM analysis tools. Students will have the ability to evaluate the lateral earth pressures that develop behind retaining walls under different types of loading conditions and wall movements. Students will have the ability to design earth retaining systems and their components in accordance with limit state design (BS8002 and EC7) concepts. Students will understand the safety issues related to the construction of earth retaining structures. Students will have an ability to use advanced geotechnical FEM tools for the design of earth retaining structures. Through a real life deep excavation project study, student will learn to integrate analysis and design make presentations of a workable TERS scheme in deep excavations. 7

8 CE5111 Underground Construction Design Project Assoc. Prof Tan Siew Ann Workload per Week: Pre-requisite: Nil The objective of this module is to integrate the various concepts and components of temporary earth retaining structure, underground construction and major geotechnical works design which have been covered in the other modules into a properly executed geotechnical analysis and design project. As such, the student will be advised to take it only either in the last 2 semester. The requirements of the project will include interpretation of site investigation data, derivation of design parameters, use of computer or finite element software for the wall and ground movement as well as drawdown and implications for adjacent structures, design of wall, strutting and waling systems, and proposal of an appropriate ground instrumentation programme. Student will be given a maximum of 2 semesters to complete their projects. At the end of the projects, students will be required to submit a report of their findings and give an oral presentation, which will be graded. Objective To integrate the various concepts and components of temporary earth retaining structure, underground construction and major geotechnical works design which have been covered in the other modules into a properly executed geotechnical analysis and design project. 8

9 CE5112 Structural Support Systems for Excavation Prof Liew Jat Yuen Richard / Mr. Tan Seh Chee Workload per Week: Pre-requisite: CE5108 Earth-Retaining Structures, with 1 st priority to MSc (Geotechnical) and 2 nd priority to MSc (CE) specializing in Geotechnical Students will learn the various methods of excavation construction and apply the fundamental knowledge of structural mechanics to design a wide range of earth retaining walls and their support systems. The key focus is to develop the capability to design various types of retaining walls, ground anchorage, walers, struts, kingposts, bracing and connection details. It will also cover the design of working platforms which are often required in deep excavations, as well as methods of jointing and splicing to allow incorporation of instrumentation. The course will cover both steel and reinforced concrete retaining walls, such as sheetpile, soldier piles, timber lagging, contiguous bored piles, diaphragm walls and etc. The course enables students to acquire further knowledge on soil-structure interaction and gain practical skills through the lectures, case studies and design projects. Design steel strutting systems, earth retaining wall systems and their structural components using modern design aids and tools. Understand the engineering concerns and safety issues related to the excavation construction. Produce acceptable construction statements and calculations for the design of basement excavation construction. Understand current professional practices and responsibility and codes requirements for deep excavation construction. 9

10 CE5113 Geotechnical Investigation & Monitoring Asst. Prof Ku Taeseo / Assoc. Prof Tan Siew Ann Workload per Week: Pre-requisite: Nil This module teaches students the essential concepts and methodology for the planning, design and implementation of site investigation and ground instrumentation programmes. The module will be broadly divided into two parts. The first part covers various aspects of site investigation such as the planning, design, density of bore holes, sampling technology and disturbance, in-situ and laboratory testing and geophysical methods. The second part covers various aspects of ground instrumentation such as monitoring of ground movement, drawdown, excess pore pressures, strut forces, wall deflection and observational methods. This module enables students to acquire the knowledge and practical skills through the lectures, case studies and projects. Broad appreciation of the role and scope of geotechnical investigation and monitoring in the proper design and construction of engineered structures and facilities. Equipped with the essential concepts and methodology for the planning, design and implementation of site investigation and ground monitoring instrumentation programmes. Strong grasp of important of geotechnical investigation results onto the design of geotechnical work. Able to understand the effect of disturbance during the whole soil sampling and testing stages onto the soil parameters obtained for design. Able to design a proper monitoring scheme that will detect the potential ground movements (leading to potential failure) during the construction stage to ensure safety. Able to work in a team for a professional design and analysis works. 10

11 CE6101 Geotechnical Constitutive Modelling Prof Lee Fook Hou Workload per Week: Pre-requisite: Graduate student standing This is an advanced graduate-level module aimed at research and geotechnical-specialist coursework students. Its aim is to introduce students to the constitutive behaviour of soils and some basic constitutive models for soil behaviour. Students will learn about the generalized Hooke s Law for elasticity, description of stress changes using stress path parameters, mathematical description of elastic-perfectly plastic materials, with emphasis on the Mohr-Coulomb model and strain hardening plasticity with emphasis on the original and modified Cam Clay models. Students will learn about the basic characteristics of each type of models and how they can select and use appropriate constitutive models available in numerical softwares. More capable research students will be able to use this module as a stepping stone towards enabling them to develop their own soil-specific constitutive models. Broad appreciation of soil behaviour and their description using stress paths. Good understanding of linear elastic models and their limitations. Good understanding of elastic-perfectly plastic models, their parameters, usage and limitations. Understand strain hardening models and know how to use them for soft clay behaviour. Able to deduce model parameters from testing data and reports in a rational manner. 11

12 CE6102 Geotechnical Analysis Assoc. Prof Goh Siang Huat Workload per Week: Pre-requisite: Graduate student standing This is an advanced graduate-level module aimed at research and geotechnical-specialist coursework students. Its aim is to introduce students to advanced geotechnical analysis, which is now an essential and important phase of deep excavation and tunnel design. Students will learn about advanced concepts of finite difference and finite element analysis which are needed for the solution of geotechnical problems. The module will cover finite difference concept and formulation, non-linear analysis techniques, elasto-plastic formulation with a tangent stiffness approach, solution techniques, large strain analysis, seepage analysis, flow-deformation coupled analysis, solution accuracy and reliability. In combination with CE4257 and CE6101, this module forms a complete numerical package targeted towards geotechnical specialists who need to conduct numerical analysis as part of their design work. Good understanding of the use of finite difference and finite element methods in geotechnical analysis. Good understanding of linear elastic models and their limitations. Good understanding of the formulation and implementation of different elastic-perfectly plastic models and strain-hardening plasticity models. Good understanding of the implementation of different solution methods for solving large system of equations. Good understanding of how seepage and consolidation effects are modelled and incorporated in geotechnical analysis. Broad appreciation of advanced modelling features such as large deformation, strain softening and 3-D effects in soil-structure interaction. Combination of the above to achieve intelligent and rational usage of numerical software for geotechnical analysis. 12