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NOTES:

thesecalculationsassumethereisnoshearloadappliedtotheholdingdownbolts;boltscannotbeclosertotheedgedistanceofafoundationthan1.5xboltembedmentdepth;(foranchorplatedesignonly)anchorplatecannotbeclosertotheedgedistanceofafoundationthan2.0xD plate;

calculations are based on BS5950 (2000), BS8110 (1997) and Concrete Society Advice No. 05

Boltanchoragebondstress'fb'[N/mm 2 ] =Coefficientdependentonboltsurfacetype''=

2.7CALCULATIONS:BONDSTRESSCHECK

CALCULATIONS:CONCRETEPULLOUTRESISTANCE

CALCULATIONS:BOLTTENSIONCAPACITYBoltnutthickness'tnut'[mm] =

Bolttensilestrength'pt'[N/mm 2 ] =Nominaltensioncapacityofbolt'Pnom'[kN] =

Allowableanchoragebondstress'fbu'[N/mm 2 ] =0.53.0

400.09129.1155.2

Boltembedmentdepth'D'[mm] =Eff.conicalsurfaceareaoftwobolts'AD'[cm 2 ] =

Castinholdingdownbolts

ADDITIONALDATAFORCASTINBOLTS

Concretecharacteristicstrength'fcu'[N/mm 2 ] = 35.0

Clearprojectionofboltabovenut'Lprojection'[mm] = N/A

Structuretype:

24.0240.0107.7

Lbolt'[mm] =Boltembedmentdepth

Boltcentretocentrespacing'X'[mm] = 160.0Concreteshearstrength'vc'[N/mm 2 ] = 0.34

Boltsurfacetype: Boltthreadedfulllength

Spreadsheet provided by: www.YourSpreadsheets.co.uk

Concretepulloutresistanceperbolt'Ptc'[kN] =

Section: TESTMEMBER PreparedBy: Date:

DIAGRAM:SECTION

SUMMARYOFRESULTS

Washerthickness'twasher'[mm] = N/ABaseplatethickness'tbaseplate'[mm] = N/A

Groutthickness'tgrout'[mm] = N/A

Calculationtype: BasedonboltembedmentdepthBolttype: Grade4.6blackbolts

Appliedfactoredtensionforceperbolt'Ft'[kN] = 27.0

BOLTANDCONCRETEDATA

Boltdiameter'dbolt'[mm] = 30.0400.0

Revision

JobNo: Page:

Tensioncapacityofbolt:Concretepulloutresistanceperbolt:

Boltsareadequate.

27.0kN27.0kN

Boltanchoragebondstrength: 2.7MPaHoleanchoragebondstrength:

107.7155.23.0N/A

DESIGNER'SNOTESAdditionalusernotesaboutthedesign

400

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