Geometry and FE modelGeometry and FE model Project type Diaphragm wall Project title Tut2-Excav-Clay...

Geometry and FE modelProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith

ZSwalls - 2D diaphragm/sheet pile wall calculator v.16.07

0.00m

4.50

13.30

20.00

45.00m

3.10

L=28.0m

H=4

5.0m

B₁=28.0m B₂=50.0m

11.4m

Strut 1 2.00

Strut 2 5.50

5 2015kN/m²

General settingsProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith


Wall characteristicsProperty Symbol Unit Value

Height of wall L m 28.0

Young's modulus for concrete Ec

MPa 20000.0

Poisson's coefficient ν - 0.2

Width of wall h cm 80.0

Unit weight of concrete γc

kN/m3 25.0

Interface friction coeff. ratio Rint

- 0.6

Installation time t0

day 5.0

Analysis settingsProperty Unit Value

Type of analysis Consolidation

Duration of excavation stages after wall installation [day] 100.0

Duration of consolidation after completing the excavation [day] 120.0

Number of computational steps for each excavation stage [-] 1

Simulate impermeable barrier Off

Depth of impermeable barrier with respect to excavation bottom [m] 2.0

FE mesh density Coarse


StrutsProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith

Property Symbol Unit Strut 1 Strut 2

Type Pipes Pipes

Depth z m 2.0 5.5

Installation time t-t0

day 30.0 60.0

Stiffness of spring k MN/m 322.4 322.4

Prestress force F0

kN 800.0 1000.0

Strut spacing (out of plane) s m 6.0 6.0

Property Symbol Unit Strut 1 Strut 2

External diameter of pipe D mm 914.0 914.0

Thickness of pipe t mm 16.0 16.0

Young's modulus E MPa 200000.0 200000.0

Stiffness of pipe strut k MN/m 322.4 322.4


SlabsProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith

Property Symbol Unit Buttress

Bottom buttress - 1

Unloading rate at installation % 50.0

Relative installation time - 0.5

Thickness t cm 20.0

Young's modulus E MPa 10000.0

Unit weight γ kN/m3 25.0

Construction stagesProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith


IN SITU - WALL WALL - STRUT:1 STRUT:1 - STRUT:2

Analysis status Completed Completed Completed

Offset between anchor/nail and platform 0.5 [m] 0.5 [m]

Delay of excavation beginning 0.0 [day] 7.0 [day]

Excavation stage split 2 2

Number of computational steps for this stage 1 1

Time step amplification factor 1.0 1.0

Safety factor analysis OFF OFF

Target safety factor 2.0 2.0

STRUT:2 - EXC.END EXC.END - END

Analysis status Completed Completed

Offset between anchor/nail and platform

Delay of excavation beginning 10.0 [day]

Excavation stage split 2

Number of computational steps for this stage 1 3

Time step amplification factor 1.0 1.1

Safety factor analysis ON OFF

Target safety factor 2.0 2.0


Soil ParametersProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith

Parameter Symbol Unit Gravel Clay 1 NC Clay 2 NC Stiff clay

Unit weight

Unit weight γ [kN/m3] 21.4 19.18 20.96 21.97

Dry unit weight γD

[kN/m3] 18.3 14.59 17.45 19.11

Voids ratio e0

[-] 0.45 0.85 0.54 0.4

Deformation

Un-/reloading modulus Eur

ref [kPa] 430000.0 15000.0 15000.0 32000.0

Poisson's coefficient ν [-] 0.2 0.2 0.2 0.2

Stiffness exponent m [-] 0.5 0.65 0.55 0.55

Extension to small strain stiffness HSs [-] Active Active Active Active

Small strain initial modulus E0ref [kPa] 1100000.0 67000.0 67000.0 87000.0

Small strain stiffness threshold γ0.7

[-] 0.0001 0.0002 0.0002 0.0002

Reference stress σref

[kPa] 100.0 100.0 100.0 100.0

Secant modulus E50

ref [kPa] 90000.0 3400.0 3300.0 12000.0

Strength

Friction angle φ [deg] 38.0 25.0 28.0 33.0

Cohesion c [kPa] 1.0 15.0 10.0 10.0

Dilatancy

Dilatancy angle ψ [deg] 8.0 0.0 0.0 3.0

Reference oedometric modulus Eoed

ref [kPa] 90000.0 3400.0 3300.0 12000.0

Compressibility

Ko for normally-consolidated soil K0NC [-] 0.38 0.58 0.53 0.46

Reference vertical oedometric stress σoed

ref [kPa] 260.0 170.0 190.0 220.0

Stress history Stresshistory

via qPOP via qPOP via qPOP via OCR

Initial state

Automatic evaluation 1 1 1 1

In situ Ko coefficient K0in situ [-] 0.408 0.601 0.555 1.314

Stress history

Overconsolidation ratio OCR [-] 1.1 1.1 1.1 7.0

Preoverburden pressure qPOP [kPa] 50.0 50.0 50.0 20.0

Permeability

Permeability coefficient in horizontal direction kh

[m/s] 0.03 4e-09 5e-09 5e-09

Permeability coefficient in vertivcal direction kv

[m/s] 0.03 4e-09 5e-09 5e-09

Soil water retention curve

Saturation constant α [1/m] 10.0 0.14 0.3 0.3

Residual degree of saturation Sr

[-] 0.0 0.0 0.0 0.0

Stability AnalysisResults

Project type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith


Pore pressure andsuction distribution




Normal displacement ofwall



Settlement behind wallProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith


Sectional forcesProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith


Envelopes of sectionalforces



Envelopes of sectionalforces


Depth [m] Mz+ [kNm/m] Mz- [kNm/m] Qy+ [kN/m] Qy- [kN/m] Nx+ [kN/m] Nx- [kN/m]-0.16 1.65 -0.08 10.55 -0.49 0.51 -2.27-0.47 8.00 -0.33 30.09 -1.14 0.07 -6.89-0.78 21.34 -0.54 55.27 -0.78 0.00 -11.62-1.09 43.14 -0.09 84.29 0.00 0.00 -18.29-1.41 74.46 0.00 116.11 0.00 0.00 -28.03-1.72 116.10 0.00 150.42 0.00 0.00 -39.25-2.03 124.52 0.00 15.10 -96.54 0.00 -51.88-2.34 70.84 -0.75 22.14 -247.00 0.00 -65.91-2.72 41.79 -49.53 47.13 -202.65 7.08 -84.94-3.16 71.87 -114.55 96.97 -160.48 14.79 -108.37-3.59 126.95 -162.91 154.87 -135.00 19.83 -131.84-4.03 209.64 -211.92 223.12 -119.95 20.37 -154.05-4.47 324.62 -260.23 310.67 -100.89 16.50 -179.42-4.91 471.56 -299.30 391.20 -77.68 16.40 -198.89-5.34 612.68 -328.16 295.83 -54.28 13.20 -206.55-5.78 570.48 -346.38 0.00 -468.81 9.91 -214.48-6.34 327.52 -358.38 0.00 -416.33 5.64 -224.85-7.01 68.48 -366.19 0.00 -354.24 0.30 -238.02-7.69 0.00 -366.82 4.50 -297.33 0.00 -251.67-8.36 0.00 -360.90 13.04 -243.62 0.00 -265.80-9.04 0.00 -479.76 18.58 -184.95 0.00 -280.35-9.71 0.00 -582.98 21.58 -124.29 0.00 -294.90

-10.39 0.00 -640.84 21.21 -59.67 0.00 -309.28-11.06 0.00 -654.09 25.85 -14.60 0.00 -324.35-11.86 0.00 -637.64 41.73 -14.44 0.00 -337.47-12.78 0.00 -622.55 43.81 -6.17 0.00 -330.85-13.71 0.00 -601.15 35.41 0.00 0.00 -318.13-14.63 0.00 -572.73 42.14 0.00 0.00 -306.51-15.55 0.00 -526.72 62.01 0.00 0.00 -295.64-16.47 0.00 -457.33 92.69 0.00 0.00 -285.51-17.39 0.00 -359.98 125.22 0.00 0.00 -276.23-18.32 0.00 -234.22 157.85 0.00 0.00 -267.01-19.24 41.25 -83.05 188.34 0.00 0.00 -256.18-20.16 93.83 0.00 124.97 0.00 0.00 -241.09-21.08 159.11 0.00 50.42 -0.42 0.00 -222.15-22.01 183.77 0.00 7.30 -9.67 0.00 -205.14-22.93 175.81 0.00 0.00 -21.84 0.00 -189.73-23.85 149.46 0.00 0.00 -35.35 0.00 -175.61-24.77 114.48 0.00 0.00 -40.52 0.00 -162.68-25.69 76.85 0.00 0.13 -41.13 0.00 -150.98-26.62 39.30 0.00 0.12 -40.38 0.00 -141.16-27.54 12.29 0.00 0.00 -26.66 0.00 -135.63


Envelopes - Bendingmoment


Bending moment with corresponding Sectional forcesDepth [m] Mz+ [kNm/m] Qy [kN/m] Nx [kN/m] Mz- [kNm/m] Qy [kN/m] Nx [kN/m]

-0.16 1.65 10.55 0.51 -0.08 -0.49 -1.95-0.47 8.00 30.09 0.07 -0.33 -1.14 -5.85-0.78 21.34 55.27 -1.52 -0.54 -0.17 -10.35-1.09 43.14 84.29 -4.66 -0.09 1.31 -14.80-1.41 74.46 116.11 -9.08 0.00 0.00 0.00-1.72 116.10 150.42 -14.66 0.00 0.00 0.00-2.03 124.52 -96.54 -21.37 0.00 0.00 0.00-2.34 70.84 -247.00 -29.02 -0.75 -133.57 -60.00-2.72 41.79 36.16 -76.71 -49.53 -169.93 -47.88-3.16 71.87 96.97 -96.53 -114.55 -127.31 -62.98-3.59 126.95 154.87 -117.18 -162.91 -93.75 -77.89-4.03 209.64 223.12 -136.35 -211.92 -119.95 -77.39-4.47 324.62 302.51 -158.46 -260.23 -100.89 -89.44-4.91 471.56 369.21 -176.11 -299.30 -77.68 -99.07-5.34 612.68 275.88 -183.54 -328.16 -54.28 -105.52-5.78 570.48 -468.81 -191.19 -346.38 -29.02 -112.26-6.34 327.52 -414.97 -202.12 -358.38 -16.75 -114.52-7.01 68.48 -352.55 -214.79 -366.19 -6.36 -115.63-7.69 0.00 0.00 0.00 -366.82 4.50 -116.71-8.36 0.00 0.00 0.00 -360.90 13.04 -117.19-9.04 0.00 0.00 0.00 -479.76 -184.94 -254.75-9.71 0.00 0.00 0.00 -582.98 -120.90 -268.67-10.39 0.00 0.00 0.00 -640.84 -50.53 -282.58-11.06 0.00 0.00 0.00 -654.09 10.43 -310.45-11.86 0.00 0.00 0.00 -637.64 10.11 -306.01-12.78 0.00 0.00 0.00 -622.55 22.62 -298.51-13.71 0.00 0.00 0.00 -601.15 23.87 -283.85-14.63 0.00 0.00 0.00 -572.73 37.77 -268.64-15.55 0.00 0.00 0.00 -526.72 62.01 -253.85-16.47 0.00 0.00 0.00 -457.33 88.81 -252.05-17.39 0.00 0.00 0.00 -359.98 122.31 -240.07-18.32 0.00 0.00 0.00 -234.22 152.31 -244.33-19.24 41.25 69.42 -84.13 -83.05 172.62 -249.43-20.16 93.83 48.04 -91.69 0.00 0.00 0.00-21.08 159.11 48.92 -164.59 0.00 0.00 0.00-22.01 183.77 4.57 -147.25 0.00 0.00 0.00-22.93 175.81 -21.81 -132.42 0.00 0.00 0.00-23.85 149.46 -35.33 -119.30 0.00 0.00 0.00-24.77 114.48 -40.52 -107.76 0.00 0.00 0.00-25.69 76.85 -41.09 -97.76 0.00 0.00 0.00-26.62 39.30 -40.33 -90.09 0.00 0.00 0.00-27.54 12.29 -26.66 -102.28 0.00 0.00 0.00


Envelopes - Shear forceProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith

Shear force with corresponding Bending moment and Axial forceDepth [m] Qy+ [kN/m] Mz [kNm/m] Nx [kN/m] Qy- [kN/m] Mz [kNm/m] Nx [kN/m]

-0.16 10.55 1.65 0.51 -0.49 -0.08 -1.95-0.47 30.09 8.00 0.07 -1.14 -0.33 -5.85-0.78 55.27 21.34 -1.52 -0.78 -0.32 -9.77-1.09 84.29 43.14 -4.66 0.00 0.00 0.00-1.41 116.11 74.46 -9.08 0.00 0.00 0.00-1.72 150.42 116.10 -14.66 0.00 0.00 0.00-2.03 15.10 24.87 -46.30 -96.54 124.52 -21.37-2.34 22.14 12.18 -40.82 -247.00 70.84 -29.02-2.72 47.13 40.34 -75.69 -202.65 -12.08 -39.59-3.16 96.97 71.87 -96.53 -160.48 -91.52 -52.96-3.59 154.87 126.95 -117.18 -135.00 -156.15 -66.31-4.03 223.12 209.64 -136.35 -119.95 -211.92 -77.39-4.47 310.67 294.45 -179.42 -100.89 -260.23 -89.44-4.91 391.20 447.99 -198.89 -77.68 -299.30 -99.07-5.34 295.83 598.27 -206.55 -54.28 -328.16 -105.52-5.78 0.00 0.00 0.00 -468.81 570.48 -191.19-6.34 0.00 0.00 0.00 -416.33 327.42 -201.18-7.01 0.00 0.00 0.00 -354.24 67.35 -213.84-7.69 4.50 -366.82 -116.71 -297.33 -152.55 -227.00-8.36 13.04 -360.90 -117.19 -243.62 -335.12 -240.64-9.04 18.58 -350.23 -116.99 -184.95 -479.74 -254.75-9.71 21.58 -336.67 -116.09 -124.29 -576.03 -281.39-10.39 21.21 -322.23 -116.30 -59.67 -629.54 -309.28-11.06 25.85 -306.35 -121.10 -14.60 -398.89 -223.11-11.86 41.73 -625.34 -327.60 -14.44 -410.48 -152.03-12.78 43.81 -585.90 -320.24 -6.17 -419.98 -149.40-13.71 35.41 -256.73 -85.42 0.00 0.00 0.00-14.63 42.14 -220.97 -88.59 0.00 0.00 0.00-15.55 62.01 -526.72 -253.85 0.00 0.00 0.00-16.47 92.69 -455.38 -239.10 0.00 0.00 0.00-17.39 125.22 -354.90 -225.97 0.00 0.00 0.00-18.32 157.85 -224.38 -214.01 0.00 0.00 0.00-19.24 188.34 -64.85 -201.31 0.00 0.00 0.00-20.16 124.97 70.72 -200.54 0.00 0.00 0.00-21.08 50.42 143.09 -197.90 -0.42 39.96 -88.81-22.01 7.30 169.71 -180.79 -9.67 113.59 -83.98-22.93 0.00 0.00 0.00 -21.84 175.81 -132.24-23.85 0.00 0.00 0.00 -35.35 149.43 -119.12-24.77 0.00 0.00 0.00 -40.52 114.48 -107.76-25.69 0.13 3.18 -86.69 -41.13 76.83 -97.92-26.62 0.12 3.30 -89.34 -40.38 39.24 -90.25-27.54 0.00 0.00 0.00 -26.66 12.29 -102.28


Envelopes - Axial forceProject type Diaphragm wallProject title Tut2-Excav-ClayDate 21.12.2017Company/Author My Company / John Smith

Axial force with corresponding Bending moment and Shear forceDepth [m] Nx+ [kN/m] Qy [kN/m] Mz [kNm/m] Nx- [kN/m] Qy [kN/m] Mz [kNm/m]

-0.16 0.51 10.55 1.65 -2.27 1.88 0.29-0.47 0.07 30.09 8.00 -6.89 7.30 1.73-0.78 0.00 0.00 0.00 -11.62 14.70 5.17-1.09 0.00 0.00 0.00 -18.29 12.14 1.33-1.41 0.00 0.00 0.00 -28.03 30.47 7.99-1.72 0.00 0.00 0.00 -39.25 52.46 20.95-2.03 0.00 0.00 0.00 -51.88 1.25 29.34-2.34 0.00 0.00 0.00 -65.91 -19.59 26.47-2.72 7.08 -6.34 32.25 -84.94 23.82 28.62-3.16 14.79 -15.96 27.37 -108.37 79.13 51.14-3.59 19.83 -22.99 18.85 -131.84 142.75 99.68-4.03 20.37 -23.90 8.59 -154.05 218.49 178.70-4.47 16.50 -16.22 -0.19 -179.42 310.67 294.45-4.91 16.40 -12.25 -6.41 -198.89 391.20 447.99-5.34 13.20 -11.18 -11.54 -206.55 295.83 598.27-5.78 9.91 -9.60 -16.08 -214.48 -464.73 561.33-6.34 5.64 -7.61 -20.75 -224.85 -410.96 320.97-7.01 0.30 -5.36 -25.13 -238.02 -346.60 65.29-7.69 0.00 0.00 0.00 -251.67 -287.07 -148.57-8.36 0.00 0.00 0.00 -265.80 -234.65 -324.65-9.04 0.00 0.00 0.00 -280.35 -181.22 -465.01-9.71 0.00 0.00 0.00 -294.90 -123.30 -567.79-10.39 0.00 0.00 0.00 -309.28 -59.67 -629.54-11.06 0.00 0.00 0.00 -324.35 7.54 -647.13-11.86 0.00 0.00 0.00 -337.47 36.87 -633.57-12.78 0.00 0.00 0.00 -330.85 41.51 -597.43-13.71 0.00 0.00 0.00 -318.13 29.31 -564.78-14.63 0.00 0.00 0.00 -306.51 34.05 -535.56-15.55 0.00 0.00 0.00 -295.64 51.84 -495.96-16.47 0.00 0.00 0.00 -285.51 81.15 -434.63-17.39 0.00 0.00 0.00 -276.23 113.50 -344.88-18.32 0.00 0.00 0.00 -267.01 146.02 -225.22-19.24 0.00 0.00 0.00 -256.18 175.87 -76.79-20.16 0.00 0.00 0.00 -241.09 117.73 58.60-21.08 0.00 0.00 0.00 -222.15 47.45 134.77-22.01 0.00 0.00 0.00 -205.14 6.00 159.41-22.93 0.00 0.00 0.00 -189.73 -18.20 153.79-23.85 0.00 0.00 0.00 -175.61 -30.74 131.22-24.77 0.00 0.00 0.00 -162.68 -35.53 100.67-25.69 0.00 0.00 0.00 -150.98 -35.29 68.01-26.62 0.00 0.00 0.00 -141.16 -36.00 35.14-27.54 0.00 0.00 0.00 -135.63 -20.11 9.27


Time history - Axialforce - Struts


Time step Unit Strut 1 Strut 2

35.1 kN -800.00 -

42.0 kN -695.28 -

53.5 kN -1970.12 -

65.0 kN -2844.28 -

65.1 kN -2137.28 -1000.00

75.0 kN -2067.46 -1038.81

90.0 kN -1561.24 -3285.72

97.5 kN -768.95 -5611.79

105.0 kN -757.16 -5546.56

141.254 kN -634.14 -5512.94

181.133 kN -544.72 -5502.00

225.0 kN -481.46 -5495.51

225.0 kN -480.88 -5494.90

Geometry and FE modelGeometry and FE model Project type Diaphragm wall Project title Tut2-Excav-Clay...

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Transcript of Geometry and FE modelGeometry and FE model Project type Diaphragm wall Project title Tut2-Excav-Clay...