Page 9 - Analysis and Design of Energy Geostructures

Contents ix

12. Numerical modelling of energy geostructures 681
12.1 Introduction 681
12.2 Idealisations and assumptions 682
12.3 Thermohydromechanical behaviour of energy piles 688
12.4 Thermohydromechanical behaviour of energy tunnels 714
12.5 Thermohydromechanical behaviour of energy walls 730
12.6 Modelled and observed response 737
References 737
Questions and problems 742

Part E Design 749

13. Performance-based design in the context of energy geostructures 751
13.1 Introduction 751
13.2 Holistic integrated design considerations 752
13.3 Available design recommendations 756
13.4 The Eurocode programme 757
13.5 Limit states 759
13.6 Design situations 760
13.7 Classification of actions 760
13.8 Verification of requirements through a partial factor method 762
13.9 Performance-based design approach for energy geostructures 768
13.10 Combination of actions at ultimate limit states 768
13.11 Combination of actions at serviceability limit states 772
13.12 Design data for some materials 776
13.13 Structural and geotechnical analysis 783
13.14 Design for ultimate limit states 784
13.15 Design for serviceability limit states 801
References 812
Questions and problems 815

14. Determination of design parameters for energy geostructures 821
14.1 Introduction 821
14.2 Characterisation of sites 822
14.3 Design parameters 824
14.4 Testing methods 824
14.5 Guarded hot plate testing 831
14.6 Oedometer testing under nonisothermal conditions 838
14.7 Triaxial testing under nonisothermal conditions 852
14.8 Direct shear testing under nonisothermal conditions 864