structural steelTonnage CalculationsSteel
Density7800kg/m3Area10x880m2lengthnos.Main Rafter
beam(m)a610x229x113.1kg/mUB1022262bxxkg/m0Main
TrussTopxxkg/mUB0Bottomxxkg/m0Diagonalxxkg/m0Verticalxxkg/m0Purlinsa200x75x12.7kg/mLipped
C8111118bxxkg/m0Total3380kgTonnage42kg/m2
Progressive CollapseColumn ReinforcementColumn
dimensions400x1000Steel Stressfy =460N/mm2fcu =40N/mm2Critical
Storey LoadN =7500kNDL =336kNLL =106kNN =0.4fcuAc + 0.75fyAscN =
1.4DL+1.6LL =640kNNAc =6400kNProvide AscVertical TiesAsc
=6377mm2AscAsc = N/(0.87*fy) =1599mm20.4%Required20.3T20(mm2)%
steel21T2065981.6%Min. AscAsc = (0.4%Ac) =1600mm2Required AscAsc
=1600mm2AscRequired2.0T32(mm2)%
steel2T3216090.4%Provide4T3232170.8%
Wall SummaryProposed 30 Storey Condominium Housing Development
at Newton/Lincoln RoadSummary of Wall ReinforcementsReinf., Asc at
Stories ConcernedBmt to 5th6th to 10th6th to 10th11th to 15th16th
to 20th21st to 25th25th to
30thAscAscAscAscAscAscAscS/No.TypeBLEZCZEZCZEZCZEZCZEZCZEZCZEZCZEZCZ1W1300380010001800T25-200T13-200T16-200T13-200dittodittodittodittodittodittodittodittodittoditto2W2300380010001800T25-200T13-200T16-200T13-200dittodittodittodittodittodittodittodittodittoditto3W330025005001500T16-200T13-200T13-200T13-200dittodittodittodittodittodittodittodittodittoditto4W430020005001000T25-150T13-200T16-200T13-200dittodittodittodittodittodittodittodittodittoditto5W5400330010001300T32-125T25-175T20-200T16-200T16-200T13-200dittodittodittodittodittodittodittodittoNotes1All
Distribution reinforcement(horizontal) to be T13-2002Concrete
grade35 N/mm23Reinforcement grade460 N/mm24All Dimensions to be in
mm
Wall DesignST Architects & Engineers Pte Ltd.DESIGN
CALCULATIONSPage No :Project :NEWTONStructure :WALL DESIGNComputed
By :FTYDate :24-Apr-13Checked By :Date :- BASEMENT STY TO 5TH
STYWall Design (By Elastic Analysis)TYPEHS2C- 6TH STY TO 10TH STY-
6TH STY TO 10TH STY- 11TH STY TO 15TH STYWall DimensionsMaterial
Properties- 16TH STY TO 20TH STYThickness =200mmfcu =35N/mm2- 21TH
STY TO 25TH STYLength =500mmfy =460N/mm2End zone =100mmCentral zone
=300mmLever arm =400mmForces At Wall BaseWall Moment =0kNmWall
Axial force =1200kNAssume :Axial force at each end zone
=240kN20%Axial force at central zone =720kN80%End ZoneAssume100mm
length of wall at both ends to resist axial loadsand in plane
momentForce to resist moment F =0kNAsc required
=0mm2T16at100centres each face at both endsAsc provided
=402mm2OK!(equally distributed at each end zone)Concrete capacity
at end zone =274kNOK! No Asc Reqd!(due to load transferred from rc
beam)Additional Asc required =0mm2Total Asc required
=0mm2T16at100centres each face at both endsAsc provided
=402mm2OK!(equally distributed at each end zone)Central
ZoneAssume300mm length of wall at to resist axial loadsConcrete
capacity at end zone =840kNNominal Reinf. OK!Asc required
=800mm2/mT13at100centres each faceAsc provided
=2656mm2/mOK!(equally distributed at each end zone)Distribution
ReinforcementNominal reinf. =500mm2/mT13at200centres each faceAsc
provided =1328mm2/mOK!
Wall_SlabTonnage CalculationsSteel
Density7850kg/m3Wall/SlabSize300mm thick% steelTonnageMain
Reinforcement%(kg/m3)Top (TT)T20@150mmcentresAsv
=2094mm20.755Bottom (BB)T20@150mmcentresAsv
=2094mm20.755Distribution ReinforcementTop (T)T13@200mmcentresAsv
=664mm20.217Bottom (B)T13@200mmcentresAsv
=664mm20.217Total1.8144
rc Beam_ColumnTonnage CalculationsSteel
Density7850kg/m3Beam/ColumnSize1000x1000Tonnage%(kg/m3)Main
ReinforcementTop28T32As =22528mm22.3177Bottom0T32As
=0mm2Links1T10@150mmcentresDim =wxhAsv =524mm2950950Length
=3800mm0.2164T10@100mmcentresDim =wxhAsv =3143mm2300950Length
=2500mm0.862Total3.2254
Circular_ColumnTonnage CalculationsSteel
Density7800kg/m3ColumnDiameter1000mmTonnage%(kg/m3)Main
ReinforcementTop23T25As =11295mm23.8296Bottom23T32As
=18505mm2Links1T10@250mmcentresDim =wxhAsv =314mm2Length
=2670.3537555513mm0.180T10@200mmcentresDim =wxhAsv =0mm2Length
=2670.3537555513mm0.00Total3.9304