well graded gravels • Soil level: 1.00 (m) • Unit weight:2243.38 (kG/m3) • Unit weight of solid: 2702.25 (kG/m3) • Internal friction angle: 35.0 (Deg) • Cohesion: 0.00 (MPa) 1.2.3
Limit states Stress calculations Soil type under foundation: not layered SLS : 1.00DL1 Design combination Load factors: 1.00 * Foundation weight 1.00 * Soil weight Calculation results: On the foundation level Weight of foundation and soil over it: Gr = 149.52 (kN) Design load: Nr = 935.23 (kN) Mx = -0.00 (kN*m) My = 0.00 (kN*m) Soil profile parameters: C = 0.00 (MPa) = 0.00 = 0.00 (kG/m3) Stress in soil: 0.19 (MPa) Design soil pressure 0.20 (MPa) Safety factor: 1.035 > 1 Uplift Uplift in SLS
Date : 19/03/09
Page : 2
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Autodesk Robot Structural Analysis Professional 2011 Author: Address:
Design combination: Load factors: Contact area:
File: Structure.rtd Project: Structure
SLS : 1.00DL1 1.00 * Foundation weight 1.00 * Soil weight s = 4.89 slim = 1.00
Sliding Design combination Load factors:
SLS : 1.00DL1 1.00 * Foundation weight 1.00 * Soil weight Weight of foundation and soil over it: Gr = 149.52 (kN) Design load: Nr = 935.23 (kN) Mx = -0.00 (kN*m) My = 0.00 (kN*m) Equivalent foundation dimensions: A_ = 2.20 (m)B_ = 2.20 (m) Sliding area: 4.84 (m2) Foundation/soil friction coefficient: tg( = 0.70 Cohesion: C = 0.00 (MPa) Soil pressure considered: Hx = 0.00 (kN) Hy = 0.00 (kN) Ppx = 0.00 (kN) Ppy = 0.00 (kN) Pax = 0.00 (kN) Pay = 0.00 (kN) Sliding force value F = 0.00 (kN) Value of force preventing foundation sliding: - On the foundation level: F(stab) = 654.85 (kN) Stabilility for sliding:
Average settlement Soil type under foundation: not layered SLS : 1.00DL1 Design combination Load factors: 1.00 * Foundation weight 1.00 * Soil weight Weight of foundation and soil over it: Gr = 149.52 (kN) Average stress caused by design load: q = 0.19 (MPa) Thickness of the actively settling soil: z = 4.40 (m) Stress on the level z: - Additional: zd = 0.02 (MPa) z = 0.13 (MPa) - Caused by soil weight: Settlement: - Original s' = 1 (mm) - Secondary s'' = 0 (mm) - TOTAL S = 1 (mm) < Sadm = 50 (mm) Safety factor: 39.02 > 1 Settlement difference Design combination Load factors: Settlement difference: Safety factor:
SLS : 1.00DL1 1.00 * Foundation weight 1.00 * Soil weight S = 0 (mm) < Sadm = 50 (mm)
Rotation About OX axis Design combination
Date : 19/03/09
SLS : 1.00DL1
Page : 3
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Autodesk Robot Structural Analysis Professional 2011 Author: Address:
File: Structure.rtd Project: Structure
Load factors:
1.00 * Foundation weight 1.00 * Soil weight Weight of foundation and soil over it: Gr = 149.52 (kN) Design load: Nr = 935.23 (kN) Mx = -0.00 (kN*m) My = 0.00 (kN*m) Stability moment: Mstab = 1028.75 (kN*m) Rotation moment: Mrenv = 0.00 (kN*m)
Stability for rotation: About OY axis Design combination: Load factors:
SLS : 1.00DL1 1.00 * Foundation weight 1.00 * Soil weight Weight of foundation and soil over it: Gr = 149.52 (kN) Design load: Nr = 935.23 (kN) Mx = -0.00 (kN*m) My = 0.00 (kN*m) Stability moment: Mstab = 1028.75 (kN*m) Rotation moment: Mrenv = 0.00 (kN*m) Stability for rotation:
1.3
RC design
1.3.1
Assumptions Exposure
1.3.2
: mild
Analysis of punching and shear Shear Design combination Load factors:
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Autodesk Robot Structural Analysis Professional 2011 Author: Address:
Mx = 190.63 (kN*m)
File: Structure.rtd Project: Structure
Asy = 612 (mm2/m) = 520 (mm2/m)
As min top:
A'sx = 0 (mm2/m) A'sy = 0 (mm2/m) = 0 (mm2/m)
As min Column pier: Longitudinal reinforcement A Asx
1.3.4
A = 0 (mm2) = 2 * (Asx + Asy) = 0 (mm2) Asy
A min.
= 0 (mm2)
Provided reinforcement 2.3.1 Spread footing: Bottom: Along X axis: 7 T 16
l = 2.10 (m)
e = 1*-1.05
7 T 16
l = 2.10 (m)
e = 0.32
Along Y axis: Top:
2.3.2 Pier Longitudinal reinforcement
Transversal reinforcement 3 R6
2
l = 1.43 (m)
e = 1*0.18
Material survey: Concrete volume Formwork
= 1.94 (m3) = 3.52 (m2)
Steel T Total weight = 46.42 (kG) Density = 23.98 (kG/m3) Average diameter = 16.0 (mm) Survey according to diameters: Diameter 16 Steel R Total weight Date : 19/03/09
Length (m) 2.10
= 0 (mm2)
Number: 14
= 4.16 (kG) Page : 5
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Autodesk Robot Structural Analysis Professional 2011 Author: Address:
File: Structure.rtd Project: Structure
Density = 2.15 (kG/m3) Average diameter = 8.7 (mm) Survey according to diameters: Diameter 6 12
Date : 19/03/09
Length (m) 1.43 0.90
Number: 3 4
Page : 6
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