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  Kutehr Hydroelectric Project (240 MW)Design of MAT Portal Annexure - A 169121-41ER-0003-001 of 31 Kutehr H.E.P MAT PORTAL FRAME DESIGN DATA & LOAD CALCULATIONDESIGN DATA Clear height of portal opening=7.00mClear width of portal opening=7.00mSpecific weight of concrete=25Specific weight of rock=28 (reference: Laboratory test report on rock core sample )=500=20Portal Beam7.75Portal Column7.50YXC/C dimensions Column dimensions 750 mm1500 mm550 mmWidth of column=750mmTotal Depth of column=1500mmDepth of column from girder face=550mm(considered for design)Depth of beam =1000mmHeight of column=7+1/2=7.50m Beam section Effective span for beam =7 +2 x 0.75/2kN/m 3 kN/m 3 Grade of Steel reinforcement,  f  y  N/mm 2 Grade of Concrete, f  ck N/mm 2  A DCBB  Kutehr Hydroelectric Project (240 MW)Design of MAT Portal Annexure - A 169121-41ER-0003-002 of 31 =7.75mOverall depth 'D'=1000.0mm  Kutehr Hydroelectric Project (240 MW)Design of MAT Portal Annexure - A 169121-41ER-0003-003 of 31 Width of beam 'B'=1500.0mm Load CalculationsDead Load (DL) Dead load of beam (as UDL)=1.5 x 1 x 25kN/m=37.50kN/mDead load of column=0.75 x 1.5 x 7.5 x 25=210.94kN Vertical Rock Load (RL) Height of dispersion rock load==3.875m(assumed load dispersion at 45 degreesTotal vertical load of rock acting on beam=0.5 x 7.75 x 3.875 x 1.5 x 2=630.66kN=162.75kN/m162.75 kN/m Accidental Load =2.00mAssumed density of rock debris ==22.00UDL on the beam==66.00kN/m66.00 kN/mMaximum ordinate of vertical rock load applied as Triangular Load=Assumed Height of Soil -Rock Debris due to accident=kN/m 3  Kutehr Hydroelectric Project (240 MW)Design of MAT Portal Annexure - A 169121-41ER-0003-004 of 31 Accidental Load
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