Details of case studies
| Case study (abbreviation) | Sourcea | FM/FE | Soil | Retained height H: m | Plan dimensions L × B: m × m | Corner angle: ° | Wall type | Construction method/propping system | δVmax approx.:b mm | δHmaxG/W approx.:c mm | dmaxH/V: m | dmax/L |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| New Palace Yard Car Park | Burland and Hancock (1977) | FM | London Clay | 18·5 | 66 × 50 | 90 | D-wall | Top-down/permanent slabs | 13 (e) 19 (s) | 30d | 12·5V (east) 16·5V (south) | 0·25 |
| Moorhouse | Zradkovic et al. (2005) | FE | London Clay | 40 | 35 × 35 70 × 35 140 × 35 | 90 | N/A | Bottom-up/multiprop (seven prop levels) | 22·5 31·0 38·0 | N/A | 7·0V 18·9V 28·0V | 0·2 0·27 0·2 |
| Immigration Building | Lee et al. (1998) | FM | Marine clay (soft, high plasticity) | 17·3 | 75·6 × 50·4 | 90 | D-wall | Bottom-up/multiple-level props | 110 | 60W | N/A | N/A |
| Taipei National Enterprise Centre | Ou et al. (2000) | FM | Silty clay (low plasticity overconsolidated) | 19·7 | 107 × 45 | 90 | D-wall | Top-down/permanent slabs | 78 | 25S 100W | 24V | 0·225 |
| 60 Victoria Embankment | St. John et al. (1993) | FE | Alluvium and London Clay | 19 | 67 × 29 | 90 | Secant pile wall | Top-down/permanent slabs | 28 | 34d,W | N/A | N/A |
| Basement 1 | Arup FE LS-Dyna results | FE | London Clay | 14·26 | 89·3 × 150 approx. | 90 | Secant pile wall | Top-down/horizontal temporary props in diagonal arrangement | 15·9 | 12·0 | 31 | 0·34 |
| Basement 2 | Arup FE LS-Dyna results | FE | London Clay | 15 | 24·4 × 29·2 (in one corner of the excavation) | 75 | Secant pile wall | Bottom-up/multilevel temporary corner props and horizontal prop | 7·8 | 8·9 9·3 | 10·7H 11·4H | 0·44 0·39 |
| Robert H. Lurie Medical Research Building (RLMRB) | Finno and Roboski (2005) | FM | Glacial clays (soft to stiff varying with depth) | 15 | 68 × 80 | 90 | Sheet pile | Bottom-up/tie-backs (three levels) | 80 (w) 60 (s) 50 (n) | 83W (w) 51W (s) 53W (n) | 17H (w) 18H (s) 32H (n) | 0·25 (w) 0·23 (s) 0·39 (n) |
| Takagi | Roboski (2004) | FM | Silt, peat and sandy and silty layers | 28 | 30 × ? | 90 | N/A | N/A | 52·5 | N/A | 4·5V | 0·15 |
| Chicago State Subway (Chi) | Finno et al. (2002) | FM | Sand overlying a thin stiff crust over stiff clays of increasing stiffness with depth | 12·2 | 47·3 | 90 | Secant pile wall | Bottom-up/tubular props and tie-backs | 40 | 38 | 18V | 0·38 |
| Flagship Wharf Building | Roboski (2004) | FM | Silt deposit, glacio-marine deposit and glacial till | 15·0 | 30 × 76 | 90 | D-wall | Bottom-up/three levels of tubular props | 28 | N/A | 10·5H | 0·35 |
| Frankfurt Clay | Moormann and Katzenbach (2002) | FM | Clay layered soil with sand bands and rocky limestone embedded | 15·8 | 34 × 54 | 90 | Secant pile wall | ?/tie-back at four levels | 175 | 175 | 17H | 0·31 |
| FE additional case studies | This paper | FE | Granular material overlying stiff overconsolidated clay | 12 | 30 ×30 30 × 15 15 × 30 42 × 42 54 × 54 54 × 27 27 × 54 84 × 84 | 90 | Shell element | Top-down | 2·89 2·75 0·67 4·14 4·97 4·10 2·90 6·30 | 3·80 3·08 1·10 5·6 6·8 6·0 3·7 8·5 | 10·0H 10·5H 4·5H 13·5H 16·5H 17H 8·5H 21·5H | 0·33 0·35 0·30 0·32 0·30 0·31 0·31 0·25 |
| FE additional case studies | This paper | FE | Granular material overlying stiff overconsolidated clay | 12 | 30 ×30 30 × 15 15 × 30 84 × 84 | 90 | Shell element | Bottom-up | 4·05 3·81 0·72 8·5 | 5·05 4·12 1·20 12·0 | 10·5H 10·5H 3·5H 23·5H | 0·35 0·35 0·23 0·28 |
| Case study (abbreviation) | Source | FM/FE | Soil | Retained height | Plan dimensions | Corner angle: ° | Wall type | Construction method/propping system | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| New Palace Yard Car Park | FM | London Clay | 18·5 | 66 × 50 | 90 | D-wall | Top-down/permanent slabs | 13 (e) | 30 | 12·5V (east) | 0·25 | |
| Moorhouse | FE | London Clay | 40 | 35 × 35 | 90 | N/A | Bottom-up/multiprop (seven prop levels) | 22·5 | N/A | 7·0V | 0·2 | |
| Immigration Building | FM | Marine clay (soft, high plasticity) | 17·3 | 75·6 × 50·4 | 90 | D-wall | Bottom-up/multiple-level props | 110 | 60W | N/A | N/A | |
| Taipei National Enterprise Centre | FM | Silty clay (low plasticity overconsolidated) | 19·7 | 107 × 45 | 90 | D-wall | Top-down/permanent slabs | 78 | 25S | 24V | 0·225 | |
| 60 Victoria Embankment | FE | Alluvium and London Clay | 19 | 67 × 29 | 90 | Secant pile wall | Top-down/permanent slabs | 28 | 34 | N/A | N/A | |
| Basement 1 | Arup FE LS-Dyna results | FE | London Clay | 14·26 | 89·3 × 150 approx. | 90 | Secant pile wall | Top-down/horizontal temporary props in diagonal arrangement | 15·9 | 12·0 | 31 | 0·34 |
| Basement 2 | Arup FE LS-Dyna results | FE | London Clay | 15 | 24·4 × 29·2 (in one corner of the excavation) | 75 | Secant pile wall | Bottom-up/multilevel temporary corner props and horizontal prop | 7·8 | 8·9 | 10·7H | 0·44 |
| Robert H. Lurie Medical Research Building (RLMRB) | FM | Glacial clays (soft to stiff varying with depth) | 15 | 68 × 80 | 90 | Sheet pile | Bottom-up/tie-backs (three levels) | 80 (w) | 83W (w) | 17H (w) | 0·25 (w) 0·23 (s) 0·39 (n) | |
| Takagi | FM | Silt, peat and sandy and silty layers | 28 | 30 × ? | 90 | N/A | N/A | 52·5 | N/A | 4·5V | 0·15 | |
| Chicago State Subway (Chi) | FM | Sand overlying a thin stiff crust over stiff clays of increasing stiffness with depth | 12·2 | 47·3 | 90 | Secant pile wall | Bottom-up/tubular props and tie-backs | 40 | 38 | 18V | 0·38 | |
| Flagship Wharf Building | FM | Silt deposit, glacio-marine deposit and glacial till | 15·0 | 30 × 76 | 90 | D-wall | Bottom-up/three levels of tubular props | 28 | N/A | 10·5H | 0·35 | |
| Frankfurt Clay | FM | Clay layered soil with sand bands and rocky limestone embedded | 15·8 | 34 × 54 | 90 | Secant pile wall | ?/tie-back at four levels | 175 | 175 | 17H | 0·31 | |
| FE additional case studies | This paper | FE | Granular material overlying stiff overconsolidated clay | 12 | 30 ×30 | 90 | Shell element | Top-down | 2·89 | 3·80 | 10·0H | 0·33 |
| FE additional case studies | This paper | FE | Granular material overlying stiff overconsolidated clay | 12 | 30 ×30 | 90 | Shell element | Bottom-up | 4·05 | 5·05 | 10·5H | 0·35 |
Unless otherwise stated within the table and the notes below, all the information included in the table comes from the references listed in the second column
The letters inside parentheses in the last four columns represent the directions specified in the cited reference: e, east; n, north; s, south; w, west
The superscripts W and S represent whether the value was derived from observation of the wall or the soil, respectively
Long (2001)
approx., approximate; FE, finite elements; FM, field measurement; H, horizontal movement; V, vertical movement
Sharing content requires targeting cookies to be enabled. Please update your cookie preferences to use this feature.