Design of Swimming Pool.pdf

Sheet No:

Project: Proposed 46 storied apartment building in Rajagiriya Swimming Pool- Structural Analysis

Project No: 001

Date:

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Calculations

Output

Structural Analysis Long wall

L3 L1

L2

Mvs Mhs L1` Mhm Mvm

Bending Moment Serviceability Limit State Mvm(KNm/m)

Mvs(KNm/m)

Mhm(KNm/m)

Mhs(KNm/m)

L1

20.3

38.2

5.7

7.9

L2

30.3

49.2

7

13.9

L3

25

53

5.1

10.4

Sheet No:

Project: Proposed 46 storied apartment building in Rajagiriya Swimming Pool- Structural Analysis

Project No: 001

Date:

Calculated by:

Checked by:

CDPGroup-02

Ref

Calculations

Output

Ultimate Limit State Mvm(KNm/m)

Mvs(KNm/m)

Mhm(KNm/m)

Mhs(KNm/m)

L1

28.5

53.5

7.5

11

L2

42.3

68.9

9.7

19.5

L3

35.3

75.3

7.2

14.6

Mvm(KNm/m)

Mvs(KNm/m)

Mhm(KNm/m)

Mhs(KNm/m)

22.5

39.8

5.6

8.2 /-6.6

Mvm(KNm/m)

Mvs(KNm/m)

Mhm(KNm/m)

Mhs(KNm/m)

31.6

55.7

7.9

11.5/ -9.3

Short Wall Serviceability Limit State

Wall

Ultimate Limit State

Wall

Sheet No:

Project: Proposed 46 storied apartment building in Rajagiriya Swimming Pool- Structural Analysis

Project No: 001

Date:

Calculated by:

Checked by:

CDPGroup-02

Ref

Calculations

Output

Bottom Slab

Serviceability Limit State Mxm(KNm/m)

Mys(KNm/m)

Mxm(KNm/m)

Mxs(KNm/m)

S1

33.5

58.1

13.9

47.4

S2

28.8

50.1

19.3

41.5

Mxm(KNm/m)

Mys(KNm/m)

Mxm(KNm/m)

Mxs(KNm/m)

S1

46.9

80

19.6

66.4

S2

40.2

72

27

58

Ultimate Limit State

Sheet No:

Project: Proposed 46 storied apartment building in Rajagiriya Swimming Pool- Structural Analysis

Project No: 001

Date:

Calculated by:

Checked by:

CDPGroup-02

Ref

Calculations

Output

Direct Tension

7.3m 1.5m F

ULS Maximum Water Pressure= 9.81*1.4*1.5= 20.6 Total water load= 0.5*20.6*1.5*7.3 Assuming total load is uniformly distributed, Intensity of load= 0.5*20.6 = 10.3 RHB table 63

R= 0.5*k*(1-0.25k)w(lx)2 = 0.5*1.42*(1-1.42/4)*10.3*1.62 =12.07 Direct tension by long wall= 12.07/1.6 = 7.54 kN/m SLS Maximum Water Pressure= 9.81*1.5= 14.72

Sheet No:

Project: Proposed 46 storied apartment building in Rajagiriya Swimming Pool- Structural Analysis

Project No: 001

Date:

Calculated by:

Checked by:

CDPGroup-02

Ref

Calculations

Assuming total load is uniformly distributed, Intensity of load= 0.5*14.72 = 7.36 R= 0.5*k*(1-0.25k)w(lx)2 = 0.5*1.42*(1-1.42/4)*7.36*1.62 =8.63 Direct tension by long wall= 8.63/1.6 = 5.4 kN/m

Output

Sheet No:

Project: Proposed 46 storied apartment building in Rajagiriya Swimming Pool - Design

Project No: 001

Date:

Calculated by:

Checked by:

CDPGroup-02

Ref

Calculations

Output

BS8007

Design of walls Long wall Design

Cl 2.7.6

Thickness of the wall= 200mm Cover= 40mm Reinforcements to carry ULS bending moment

BS8110

Assume main bars to be 25mm and distribution bars to be 12mm in diameter

Cl 3.4.4.4

d= 200-40-12-25/2 = 135.5 mm Mvm=42.3 kNm/m Mvs=75.3 kNm/m M= 75.3 kNm/m k’=0.156 ( No redistribution) k= M/(bd2fcu) = 75.3*10^6/(10^3*135.5^2*35) =0.11< k’ (Hence no Compression reinforcement needed) z= d(0.5+(0.25-k/0.9)^0.5) = 0.86d = 0.86*135.5 = 116.5mm As= M/(0.87*fyz) =73.2*10^6/(0.87*460*116.5) = 1570mm2

No compres sion r/f needed

Sheet No:

Project: Proposed 46 storied apartment building in Rajagiriya Swimming Pool - Design

Project No: 001

Date:

Calculated by:

Checked by:

CDPGroup-02

Ref

Calculations

R/f to carry ULS direct tension T=7.54 kN/m As=7.54*10^3 / (0.87*460) = 18.8mm2 R/f to carry Vertical Serviceability BM

M(SLS)= 52.2 kNm/m M/(bd2)= 52.2*106/(103*135.52)=2.8 BS800T3.1 RHBT118

Allowable steel stress= fst= 130N/mm^2 From design chart, r= 0.026

fcr= 11.5 N/mm2 r =As/bd

BS8007 -B2

As= 0.026*10^3*135.5 =3523mm2 (At Support) M= 30.3 kNm/m at span r= 0.016

As=2032.5mm2 Ultimate stress of concrete= 0.45 fcu = 0.45 *35 =15.8 N/mm2 > fcr = 11.5 Hence Concrete stress is not near the ultimate

Output

Sheet No:

Project: Proposed 46 storied apartment building in Rajagiriya Swimming Pool - Design

Project No: 001

Date:

Calculated by:

Checked by:

CDPGroup-02

Ref

T3.1

Calculations

R/f to resist serviceability direct tension in mature concrete (SLS) Allowable steel stress =130 N/mm2 Ast= T/fst = 5.4*10^3/130 = 42 mm2

R/f to resist shrinkage and thermal movement in immature concrete 2.6.2.3 A2

Minimum Steel ratio in each surface zone is given by r

crit

= fct/fy = 0.0035

r = As/(bh’) Fig A.1

h’= depth of surface zone h’=h/2(h