Referatai

Soil mechanics and foundations

9.4   (3 atsiliepimai)
Soil mechanics and foundations  1 puslapis
Soil mechanics and foundations  2 puslapis
Soil mechanics and foundations  3 puslapis
Soil mechanics and foundations  4 puslapis
Soil mechanics and foundations  5 puslapis
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Soil mechanics and foundations  9 puslapis
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Soil mechanics and foundations  12 puslapis
Soil mechanics and foundations  13 puslapis
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Soil mechanics and foundations  18 puslapis
Soil mechanics and foundations  19 puslapis
Soil mechanics and foundations  20 puslapis
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Ištrauka

6000 0 6000 6000 6000 6000 6000 6000 18000 24000 6000 6000 A B 2. Building section A-A according to individual task Building section B-B according to individual task 6000 6000 6000 6000 6000 6000 6000 A A 18000 24000 Foundation details and column details 8m 2m 6000 6000 Foundation depth 1m 360mm heigh of floor slab 400mm width of main column 360mm height of wall bearing 200mm wdth of the wall 2600 width of foundation Permanent loads Roof slabs Load of the Floor slabs Area of the load: 21m*6m=126 m2 2.6m width of main found 2.6m width of main found Width 0.1 0.4m width of main column 1500 width of samall Foundation 250m width of secondary column Load area Type of the Floor slab: HCS200 126 m2*333 kg/m2=126m2 *3.26 kPa=410.76 Kn Load of the truss Type of the truss SI 1500 18 meters truss :148kn=74kn 24 meters truss : 175 Kn=87,5kn Load of the masonry wall Length*Height*thickness*density 6m*8m*0.25m*19kN/m3=228kN Load of the wall bearing beams Length*height*width*density=Volume*density 6m*0.3m*0.4m*25kN/m3=0.72*25kN/m3=18kn Load of the foundation plate width*width*height*density=Volume*density 2.6m*2.6m*0.4m*25kN/m3=67.6kN Load of the main column width*width*height*density=Volume*density 0.4m*0.4m*8m=1.28 m3 Volume*density=1.28m3*25kN/m3=32 Kn Load of the snow Load area* 1.6 kN/m2=126 m2*1.6 kN/m2=201.6 kN Total Load of the elements 410.76 + 74+87,5+ 228+ 18+ 32+ 67.6= 917.86 kN Gk= 917.86 kN Qk=201.6kN Construction is going to be constructed according to geological conditions of Lebanon in Beirut. H1=0.6, h2=1.1 According to Lebanon conditions ,depth of fondation should be at least 70 cm Design load Gk= 986.2 kN Qk=201.6kN Vd= Gk*γg+ Qk* γg=986.2*1.35+201.6*1.3=1593.4kn Undrained soil conditions Pressure at a depth of foundation, QD=H1*γ1+H2* γ2+H3* γ3+H4* γ4 =0.6*18+17.9*1.1=30.49Kn/m2=30kpa Shear strength when undrained C=qc/(14+5*lnqc)=4500000pa/(14+5ln4500000)=49670pa Design value of shear strength Cu,d=cu,k/γcu=49670/1=49670=49,67kn/m2 Divide soil bearing capacity from area Rdk/A=(2+pi)* Cu,d*bc*sc*ic+qd=(2+3.14)*49.67*1*1,2+30=336,36kn/m2 Soil bearing capacity Rd =(Rk/A)*A/γR,V=((336.36kn/m2)*(2.6*2.6 m)))/1.4=1624.13>Vd=1593.4 S=Rd-Vd/Rd=1624.13-1593.4/1624.13=0.01892*100%=2Vd S=(Rd-Vd)/Rd=77.05% Elastic settlements �e = (� × �0)/ES × (1 − �� ) × �r=((2.6*165.44)/31400)*((1- 0.355)*0.88)=0.077m ES=31.4 MPa=31400kN/m2 �r=0.88 ��=0.355 Poisson’s ratio B=2.6 m The shortest side of foundation Q0=(Gk+Qk)/(B*L)=( 917.86 +201.6)/(2.6*2.6)=165.446Knm2 Anchoring non-stressed reinforcement. The longitudinal bars of tensile and compressive reinforcement shall be placed behind the normal section of the member in which their design strength is fully utilized over a length of not less than lbd calculated by the formula: Lbd=α1.α2.α3.α4.α5 lb>=lb,min Lbd=0,7*1.10=0.77m The basic anchor length lb is calculated: Fctd  fctk*0,05/yc=1.5*1.5=1mpa Fbd  2,25*1* 2*Fctd=2.5*0.7*1*1=1.58Mpa sd=435 Lb=(Ǿ/4)*( sd/Fbd)=(0.016/4)*(435/1.58)=1.10m shallow foundation shallow foundation ! For non-commercial purposes only ! [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Name : Geometry Stage : 1 +x + y 2.80 2.80 1.200 0.40 1.200 1.200 0.40 1.200 shallow foundation shallow foundation ! For non-commercial purposes only ! [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Name : Footing bottom Stage : 1 + z 1. 1layer-feild + z 2. 2layer-dusty sand+ z 3. 3layer -dusty sand clay + z OG FG 1.70 0.50 1.20 0.45 1.45 + z + z + z + z -6 .0 0 -5 .0 0 -4 .0 0 -3 .0 0 -2 .0 0 -1 .0 0 0. 00 0. 00 1. 00 2. 00 3. 00 4. 00 5. 00 6. 00 7. 00 8. 00 9. 00 9. 00 0.00 1.00 2.00 3.00 shallow foundation shallow foundation ! For non-commercial purposes only ! 1 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Spread footing verification Input data Project Task Part Date : : : shallow foundation shallow foundation 11/30/2021 Settings (input for current task) Materials and standards Concrete structures : Coefficients EN 1992-1-1 : EN 1992-1-1 (EC2) standard Settlement Analysis method : Restriction of influence zone : Analysis using oedometric modulus based on structural strength Spread Footing Analysis for undrained conditions : Analysis of uplift : Allowable eccentricity : Verification methodology : Design approach : EC 7-1 (EN 1997-1:2003) Standard 0.333 according to EN 1997 3 - reduction of actions (GEO, STR) and soil parameters Partial factors on actions (A) Permanent design situation Permanent actions : γG = State STR Unfavourable 1.35 [–] Favourable 1.00 [–] State GEO Unfavourable 1.00 [–] Favourable 1.00 [–] Partial factors for soil parameters (M) Permanent design situation Partial factor on internal friction : Partial factor on effective cohesion : Partial factor on undrained shear strength : Partial factor on unconfined strength : γϕ = γc = γcu = γv = 1.00 1.00 1.00 1.40 [–] [–] [–] [–] Basic soil parameters No. Name Pattern φef [°] cu [kPa] γ [kN/m3] γsu [kN/m3] δ [°] 1 2 3 1layer-feild 2layer-dusty sand 3layer -dusty sand clay 5.00 2.00 39.00 17.80 17.90 19.80 7.80 7.90 9.80 shallow foundation shallow foundation ! For non-commercial purposes only ! 2 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] All soils are considered as cohesionless for at rest pressure analysis. Soil parameters 1layer-feild Unit weight : Cohesion of soil : Poisson's ratio : Deformation modulus : Poisson's ratio : Coeff. of structural strength : Saturated unit weight : γ cu ν Edef ν m γsat = = = = = = = 17.80 5.00 0.35 3.00 0.35 0.10 17.80 kN/m3 kPa MPa kN/m3   2layer-dusty sand Unit weight : Cohesion of soil : Poisson's ratio : Deformation modulus : Poisson's ratio : Coeff. of structural strength : Saturated unit weight : γ cu ν Edef ν m γsat = = = = = = = 17.90 2.00 0.35 11.00 0.35 0.20 17.90 kN/m3 kPa MPa kN/m3   3layer -dusty sand clay Unit weight : Cohesion of soil : Poisson's ratio : Deformation modulus : Poisson's ratio : Coeff. of structural strength : Saturated unit weight : γ cu ν Edef ν m γsat = = = = = = = 19.80 39.00 0.35 35.00 0.35 0.30 19.80 kN/m3 kPa MPa kN/m3   Foundation Foundation type: centric spread footing Depth from original ground surface Depth of footing bottom Foundation thickness hz d t = = = 1.70 1.20 0.50 m m m Overburden Type: input unit weight Unit weight of soil above foundation = 20.00 kN/m3 Geometry of structure Foundation type: centric spread footing Spread footing length Spread footing width Column width in the direction of x Column width in the direction of y x y cx cy = = = = 2.80 2.80 0.40 0.40 m m m m Spread footing volume Volume of excavation Volume of fill = = = 3.92 9.41 5.38 m3 m3 m3 shallow foundation shallow foundation ! For non-commercial purposes only ! 3 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Name : Geometry Stage - analysis : 1 - 0 +x + y 2.80 2.80 1.200 0.40 1.200 1.200 0.40 1.200 Material of structure Unit weight γ = 23.00 kN/m3 Analysis of concrete structures carried out according to the standard EN 1992-1-1 (EC2). Concrete: C 20/25 Cylinder compressive strength Tensile strength Elasticity modulus fck fctm Ecm = = = 20.00 2.20 30000.00 MPa MPa MPa Longitudinal steel: B500B Yield strength fyk = 500.00 MPa Transverse steel: B500B Yield strength fyk = 500.00 MPa Geological profile and assigned soils No. Thickness of layer t [m] Depth z [m] Assigned soil Pattern 1 2 3 0.45 1.45 6.70 0.00 .. 0.45 0.45 .. 1.90 1.90 .. 8.60 1layer-feild 2layer-dusty sand 3layer -dusty sand clay shallow foundation shallow foundation ! For non-commercial purposes only ! 4 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] No. Thickness of layer t [m] Depth z [m] Assigned soil Pattern 4 - 8.60 ..  3layer -dusty sand clay Load No. Load new change Name Type N [kN] Mx [kNm] My [kNm] Hx [kN] Hy [kN] 1 2 Yes Yes Load No. 1 Load No. 2 Service Design 1087.80 1593.40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Global settings Type of analysis : analysis for undrained conditions Settings of the stage of construction Design situation : permanent Verification No. 1 Load case verification Name Self w. in favor ex [m] ey [m] σ [kPa] Rd [kPa] Utilization [%] Is satisfactory Load No. 2 Load No. 2 Yes No 0.00 0.00 0.00 0.00 228.45 232.48 241.65 241.65 94.54 96.20 Yes Yes Analysis carried out with automatic selection of the most unfavourable load cases. Computed weight of spread footing Computed weight of overburden G Z = = 121.72 107.52 kN kN Vertical bearing capacity check Shape of contact stress : rectangle Most unfavorable load case No. 2. (Load No. 2) Parameters of slip surface below foundation: Depth of slip surface Length of slip surface zsp lsp = = 1.98 4.20 m m   Design bearing capacity of found.soil Extreme contact stress Rd σ = = 241.65 232.48 kPa kPa Bearing capacity in the vertical direction is SATISFACTORY Verification of load eccentricity Max. eccentricity in direction of base length Max. eccentricity in direction of base width Max. overall eccentricity ex ey et = = = 0.000 0.13 0.28 437.38 % m kNm = = = ρmin xmax MEd Cross-section is SATISFACTORY. shallow foundation shallow foundation ! For non-commercial purposes only ! 6 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Verification of longitudinal reinforcement of foundation in the direction of y 12 prof. 16.0 mm, cover 40.0 mm Cross-section width Cross-section depth = = 2.80 0.50 m m Reinforcement ratio Position of neutral axis Ultimate moment ρ x MRd = = = 0.19 0.04 459.42 % m kNm > 0.13 0.28 437.38 % m kNm = = = ρmin xmax MEd Cross-section is SATISFACTORY. Spread footing for punching shear failure check Column normal force = 1593.40 kN Maximum resistance at the column perimeter Force transferred into found. soil Force transferred by shear strength of foundation Considered column perimeter Shear resistance at the column perimeter Resistance at the column perimeter u0 vEd,max vRd,max = = = = = 32.52 1560.88 1.60 2.15 2.94 kN kN m MPa MPa Critical section without shear reinforcement Force transferred into found. soil Force transferred by shear strength of foundation Distance of section from the column Section perimeter Shear stress at section Shear resistance of section without shear reinforcement u vEd vRd,c = = = = = = 310.79 1282.61 0.45 4.45 0.64 0.67 kN kN m m MPa MPa vEd Reinforcement is not required Spread footing for punching shear is SATISFACTORY shallow foundation shallow foundation ! For non-commercial purposes only ! 1 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Spread footing verification Input data Project Task Part Date : : : shallow foundation shallow foundation 11/30/2021 Settings (input for current task) Materials and standards Concrete structures : Coefficients EN 1992-1-1 : EN 1992-1-1 (EC2) standard Settlement Analysis method : Restriction of influence zone : Analysis using oedometric modulus based on structural strength Spread Footing Analysis for undrained conditions : Analysis of uplift : Allowable eccentricity : Verification methodology : Design approach : EC 7-1 (EN 1997-1:2003) Standard 0.333 according to EN 1997 3 - reduction of actions (GEO, STR) and soil parameters Partial factors on actions (A) Permanent design situation Permanent actions : γG = State STR Unfavourable 1.35 [–] Favourable 1.00 [–] State GEO Unfavourable 1.00 [–] Favourable 1.00 [–] Partial factors for soil parameters (M) Permanent design situation Partial factor on internal friction : Partial factor on effective cohesion : Partial factor on undrained shear strength : Partial factor on unconfined strength : γϕ = γc = γcu = γv = 1.00 1.00 1.00 1.40 [–] [–] [–] [–] Basic soil parameters No. Name Pattern φef [°] cu [kPa] γ [kN/m3] γsu [kN/m3] δ [°] 1 2 3 1layer-feild 2layer-dusty sand 3layer -dusty sand clay 5.00 2.00 39.00 17.80 17.90 19.80 7.80 7.90 9.80 shallow foundation shallow foundation ! For non-commercial purposes only ! 2 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] All soils are considered as cohesionless for at rest pressure analysis. Soil parameters 1layer-feild Unit weight : Cohesion of soil : Poisson's ratio : Deformation modulus : Poisson's ratio : Coeff. of structural strength : Saturated unit weight : γ cu ν Edef ν m γsat = = = = = = = 17.80 5.00 0.35 3.00 0.35 0.10 17.80 kN/m3 kPa MPa kN/m3   2layer-dusty sand Unit weight : Cohesion of soil : Poisson's ratio : Deformation modulus : Poisson's ratio : Coeff. of structural strength : Saturated unit weight : γ cu ν Edef ν m γsat = = = = = = = 17.90 2.00 0.35 11.00 0.35 0.20 17.90 kN/m3 kPa MPa kN/m3   3layer -dusty sand clay Unit weight : Cohesion of soil : Poisson's ratio : Deformation modulus : Poisson's ratio : Coeff. of structural strength : Saturated unit weight : γ cu ν Edef ν m γsat = = = = = = = 19.80 39.00 0.35 35.00 0.35 0.30 19.80 kN/m3 kPa MPa kN/m3   Foundation Foundation type: centric spread footing Depth from original ground surface Depth of footing bottom Foundation thickness hz d t = = = 1.70 1.20 0.50 m m m Overburden Type: input unit weight Unit weight of soil above foundation = 20.00 kN/m3 Geometry of structure Foundation type: centric spread footing Spread footing length Spread footing width Column width in the direction of x Column width in the direction of y x y cx cy = = = = 2.80 2.80 0.40 0.40 m m m m Spread footing volume Volume of excavation Volume of fill = = = 3.92 9.41 5.38 m3 m3 m3 shallow foundation shallow foundation ! For non-commercial purposes only ! 3 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Name : Geometry Stage - analysis : 1 - 0 +x + y 2.80 2.80 1.200 0.40 1.200 1.200 0.40 1.200 Material of structure Unit weight γ = 23.00 kN/m3 Analysis of concrete structures carried out according to the standard EN 1992-1-1 (EC2). Concrete: C 20/25 Cylinder compressive strength Tensile strength Elasticity modulus fck fctm Ecm = = = 20.00 2.20 30000.00 MPa MPa MPa Longitudinal steel: B500B Yield strength fyk = 500.00 MPa Transverse steel: B500B Yield strength fyk = 500.00 MPa Geological profile and assigned soils No. Thickness of layer t [m] Depth z [m] Assigned soil Pattern 1 2 3 0.45 1.45 6.70 0.00 .. 0.45 0.45 .. 1.90 1.90 .. 8.60 1layer-feild 2layer-dusty sand 3layer -dusty sand clay shallow foundation shallow foundation ! For non-commercial purposes only ! 4 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] No. Thickness of layer t [m] Depth z [m] Assigned soil Pattern 4 - 8.60 ..  3layer -dusty sand clay Load No. Load new change Name Type N [kN] Mx [kNm] My [kNm] Hx [kN] Hy [kN] 1 2 Yes Yes Load No. 1 Load No. 2 Service Design 1087.80 1593.40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Global settings Type of analysis : analysis for undrained conditions Settings of the stage of construction Design situation : permanent Verification No. 1 Load case verification Name Self w. in favor ex [m] ey [m] σ [kPa] Rd [kPa] Utilization [%] Is satisfactory Load No. 2 Load No. 2 Yes No 0.00 0.00 0.00 0.00 228.45 232.48 241.65 241.65 94.54 96.20 Yes Yes Analysis carried out with automatic selection of the most unfavourable load cases. Computed weight of spread footing Computed weight of overburden G Z = = 121.72 107.52 kN kN Vertical bearing capacity check Shape of contact stress : rectangle Most unfavorable load case No. 2. (Load No. 2) Parameters of slip surface below foundation: Depth of slip surface Length of slip surface zsp lsp = = 1.98 4.20 m m   Design bearing capacity of found.soil Extreme contact stress Rd σ = = 241.65 232.48 kPa kPa Bearing capacity in the vertical direction is SATISFACTORY Verification of load eccentricity Max. eccentricity in direction of base length Max. eccentricity in direction of base width Max. overall eccentricity ex ey et = = = 0.000 0.13 0.28 437.38 % m kNm = = = ρmin xmax MEd Cross-section is SATISFACTORY. shallow foundation shallow foundation ! For non-commercial purposes only ! 6 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Verification of longitudinal reinforcement of foundation in the direction of y 12 prof. 16.0 mm, cover 40.0 mm Cross-section width Cross-section depth = = 2.80 0.50 m m Reinforcement ratio Position of neutral axis Ultimate moment ρ x MRd = = = 0.19 0.04 459.42 % m kNm > 0.13 0.28 437.38 % m kNm = = = ρmin xmax MEd Cross-section is SATISFACTORY. Spread footing for punching shear failure check Column normal force = 1593.40 kN Maximum resistance at the column perimeter Force transferred into found. soil Force transferred by shear strength of foundation Considered column perimeter Shear resistance at the column perimeter Resistance at the column perimeter u0 vEd,max vRd,max = = = = = 32.52 1560.88 1.60 2.15 2.94 kN kN m MPa MPa Critical section without shear reinforcement Force transferred into found. soil Force transferred by shear strength of foundation Distance of section from the column Section perimeter Shear stress at section Shear resistance of section without shear reinforcement u vEd vRd,c = = = = = = 310.79 1282.61 0.45 4.45 0.64 0.67 kN kN m m MPa MPa vEd Reinforcement is not required Spread footing for punching shear is SATISFACTORY shallow foundation shallow foundation ! For non-commercial purposes only ! 1 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Spread footing verification Input data Project Task Part Date : : : shallow foundation shallow foundation 11/30/2021 Settings (input for current task) Materials and standards Concrete structures : Coefficients EN 1992-1-1 : EN 1992-1-1 (EC2) standard Settlement Analysis method : Restriction of influence zone : Analysis using oedometric modulus based on structural strength Spread Footing Analysis for undrained conditions : Analysis of uplift : Allowable eccentricity : Verification methodology : Design approach : EC 7-1 (EN 1997-1:2003) Standard 0.333 according to EN 1997 3 - reduction of actions (GEO, STR) and soil parameters Partial factors on actions (A) Permanent design situation Permanent actions : γG = State STR Unfavourable 1.35 [–] Favourable 1.00 [–] State GEO Unfavourable 1.00 [–] Favourable 1.00 [–] Partial factors for soil parameters (M) Permanent design situation Partial factor on internal friction : Partial factor on effective cohesion : Partial factor on undrained shear strength : Partial factor on unconfined strength : γϕ = γc = γcu = γv = 1.00 1.00 1.00 1.40 [–] [–] [–] [–] Basic soil parameters No. Name Pattern φef [°] cu [kPa] γ [kN/m3] γsu [kN/m3] δ [°] 1 2 3 1layer-feild 2layer-dusty sand 3layer -dusty sand clay 5.00 2.00 39.00 17.80 17.90 19.80 7.80 7.90 9.80 shallow foundation shallow foundation ! For non-commercial purposes only ! 2 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] All soils are considered as cohesionless for at rest pressure analysis. Soil parameters 1layer-feild Unit weight : Cohesion of soil : Poisson's ratio : Deformation modulus : Poisson's ratio : Coeff. of structural strength : Saturated unit weight : γ cu ν Edef ν m γsat = = = = = = = 17.80 5.00 0.35 3.00 0.35 0.10 17.80 kN/m3 kPa MPa kN/m3   2layer-dusty sand Unit weight : Cohesion of soil : Poisson's ratio : Deformation modulus : Poisson's ratio : Coeff. of structural strength : Saturated unit weight : γ cu ν Edef ν m γsat = = = = = = = 17.90 2.00 0.35 11.00 0.35 0.20 17.90 kN/m3 kPa MPa kN/m3   3layer -dusty sand clay Unit weight : Cohesion of soil : Poisson's ratio : Deformation modulus : Poisson's ratio : Coeff. of structural strength : Saturated unit weight : γ cu ν Edef ν m γsat = = = = = = = 19.80 39.00 0.35 35.00 0.35 0.30 19.80 kN/m3 kPa MPa kN/m3   Foundation Foundation type: centric spread footing Depth from original ground surface Depth of footing bottom Foundation thickness hz d t = = = 1.70 1.20 0.50 m m m Overburden Type: input unit weight Unit weight of soil above foundation = 20.00 kN/m3 Geometry of structure Foundation type: centric spread footing Spread footing length Spread footing width Column width in the direction of x Column width in the direction of y x y cx cy = = = = 2.80 2.80 0.40 0.40 m m m m Spread footing volume Volume of excavation Volume of fill = = = 3.92 9.41 5.38 m3 m3 m3 shallow foundation shallow foundation ! For non-commercial purposes only ! 3 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Name : Geometry Stage - analysis : 1 - 0 +x + y 2.80 2.80 1.200 0.40 1.200 1.200 0.40 1.200 Material of structure Unit weight γ = 23.00 kN/m3 Analysis of concrete structures carried out according to the standard EN 1992-1-1 (EC2). Concrete: C 20/25 Cylinder compressive strength Tensile strength Elasticity modulus fck fctm Ecm = = = 20.00 2.20 30000.00 MPa MPa MPa Longitudinal steel: B500B Yield strength fyk = 500.00 MPa Transverse steel: B500B Yield strength fyk = 500.00 MPa Geological profile and assigned soils No. Thickness of layer t [m] Depth z [m] Assigned soil Pattern 1 2 3 0.45 1.45 6.70 0.00 .. 0.45 0.45 .. 1.90 1.90 .. 8.60 1layer-feild 2layer-dusty sand 3layer -dusty sand clay shallow foundation shallow foundation ! For non-commercial purposes only ! 4 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] No. Thickness of layer t [m] Depth z [m] Assigned soil Pattern 4 - 8.60 ..  3layer -dusty sand clay Load No. Load new change Name Type N [kN] Mx [kNm] My [kNm] Hx [kN] Hy [kN] 1 2 Yes Yes Load No. 1 Load No. 2 Service Design 1087.80 1593.40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Global settings Type of analysis : analysis for undrained conditions Settings of the stage of construction Design situation : permanent Verification No. 1 Load case verification Name Self w. in favor ex [m] ey [m] σ [kPa] Rd [kPa] Utilization [%] Is satisfactory Load No. 2 Load No. 2 Yes No 0.00 0.00 0.00 0.00 228.45 232.48 241.65 241.65 94.54 96.20 Yes Yes Analysis carried out with automatic selection of the most unfavourable load cases. Computed weight of spread footing Computed weight of overburden G Z = = 121.72 107.52 kN kN Vertical bearing capacity check Shape of contact stress : rectangle Most unfavorable load case No. 2. (Load No. 2) Parameters of slip surface below foundation: Depth of slip surface Length of slip surface zsp lsp = = 1.98 4.20 m m   Design bearing capacity of found.soil Extreme contact stress Rd σ = = 241.65 232.48 kPa kPa Bearing capacity in the vertical direction is SATISFACTORY Verification of load eccentricity Max. eccentricity in direction of base length Max. eccentricity in direction of base width Max. overall eccentricity ex ey et = = = 0.000 0.13 0.28 437.38 % m kNm = = = ρmin xmax MEd Cross-section is SATISFACTORY. shallow foundation shallow foundation ! For non-commercial purposes only ! 6 [GEO5 - Spread Footing (educational license) | version 5.2021.58.0 | hardware key 7613 / 1 | Kauno technologijos universitetas | Copyright © 2021 Fine spol. s r.o. All Rights Reserved | www.finesoftware.eu] [Intelligent BIM Solutions, UAB | +370 5 20 34 333| info@ibimsolutions.com| http://www.ibimsolutions.lt/] Verification of longitudinal reinforcement of foundation in the direction of y 12 prof. 16.0 mm, cover 40.0 mm Cross-section width Cross-section depth = = 2.80 0.50 m m Reinforcement ratio Position of neutral axis Ultimate moment ρ x MRd = = = 0.19 0.04 459.42 % m kNm > 0.13 0.28 437.38 % m kNm = = = ρmin xmax MEd Cross-section is SATISFACTORY. Spread footing for punching shear failure check Column normal force = 1593.40 kN Maximum resistance at the column perimeter Force transferred into found. soil Force transferred by shear strength of foundation Considered column perimeter Shear resistance at the column perimeter Resistance at the column perimeter u0 vEd,max vRd,max = = = = = 32.52 1560.88 1.60 2.15 2.94 kN kN m MPa MPa Critical section without shear reinforcement Force transferred into found. soil Force transferred by shear strength of foundation Distance of section from the column Section perimeter Shear stress at section Shear resistance of section without shear reinforcement u vEd vRd,c = = = = = = 310.79 1282.61 0.45 4.45 0.64 0.67 kN kN m m MPa MPa vEd Reinforcement is not required Spread footing for punching shear is SATISFACTORY n 2600 13001300 200 200 25 0 25 0 1 2 12 00B 2 20 20 Reinfrocement mesh Shallow foundation Scale 1:20 Scale 1:20 Scale 1:20 Scale 1:20 Anchor Block Anchor Block Floor Detail Reinfrocement mesh 2564 25 64 30 30 30 1 An ch or L en gt h 77 0 50 12 00 50 0 Concrete class c20�25 35 115 218 272 595 165 270 10 90 20 46 5 2 2600 POZ-2

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