Guidelines for the Use of Advanced Numerical Analysis

Contents......Page 3
Foreword......Page 9
COST......Page 10
Executive summary......Page 11
1 Introduction......Page 13
2.2 Design objectives......Page 15
2.3 Design requirements......Page 16
2.4 Theoretical considerations......Page 17
2.5 Geometric idealization......Page 20
2.6 Methods of analysis......Page 21
2.7 Closed form solutions......Page 22
2.8 Simple methods......Page 23
2.9 Numerical analysis......Page 27
3.1 Basic soil behaviour......Page 30
3.2 Soil models......Page 34
4.1 Direct determination of physical parameters\r......Page 49
4.2 Parameter determination by optimization......Page 51
5.2 Material non-linearity......Page 58
5.3 Geometric non-linearity......Page 70
5.4 Coupled consolidation analysis......Page 76
6.2 Modelling structural components......Page 80
6.3 Modelling interfaces\r......Page 85
7.2 Local axes......Page 88
7.3 Prescribed displacements......Page 89
7.4 Tied degrees of freedom\r......Page 91
7.5 Springs......Page 93
7.6 Boundary stresses......Page 95
7.7 Point loads......Page 96
7.8 Body forces fornodeselementand (B)sidethreewithnodes(A) two D......Page 97
7.9 Construction......Page 98
7.10 Excavation......Page 99
7.11 Pore pressures......Page 101
7.13 Sources and sinks......Page 103
7.14 Precipitation......Page 104
7.15 Initial stresses......Page 105
8.3 Input......Page 107
8.4 Ouput......Page 110
8.5 Conclusion\r......Page 113
9.1 General aspects......Page 114
9.2 Piles and piled rafts......Page 116
9.3 Tunnelling......Page 118
9.4 Deep basements TECHNICAL......Page 131
10.1 Introduction......Page 138
10.2 Discretization errors......Page 139
10.3 Modellinganalysis of structural members in plane strain......Page 142
10.4 Construction problems\r......Page 145
10.6 Lack of consistency in input parameters......Page 146
11.2 Specification for benchmark examples......Page 148
11.3 Example No. 1—Tunnel excavation\r......Page 149
11.4 Example No. 2—Deep Excavation......Page 150
11.5 Example No. 3—Tied-back deep excavation......Page 153
11.6 Example No. 4—Undrained analysis of a shield tunnel......Page 160
11.7 Conclusions......Page 167
12 References......Page 169