MSE WALL DESIGN SPREADSHEET Directins: This spreadsheet spreadsheet is to be used as an aid aid or designi designing ng and analy!ing analy!ing MSE walls" walls" The spreadsh spreadsheet eet contains contains %README%& %I'()T%& %I'()T%& %*+R,SEET./I'A0%& %*+R,SEET.C+'STR%& %*+R,SEET.C+'STR%& and %+)T()T%" The %README% outlines outlines the design design crite criteria ria and pro#ides pro#ides sketches sketches o #arious #arious MSE wall conigurati conigurations" ons" The %I'()T% %I'()T% tab tab conta input necessary to co1plete the design2analysis o the MSE wall" wall" The %*+R,SEET./I'A0% tab peror1s and exte externa rnall stabil stability ity calcul calculati ations ons or or the the co1ple co1pleted ted in-s in-ser# er#ice ice MSE MSE wall wall struct structure ure"" The %*+R, %*+R,S SEET EET.C+ .C+' ' peror1s the external and internal stability calculations calculations or the te1porary construction loading condition" The %+)T()T% tab presents an output table which su11ari!es su11ari!es the external and internal stability checks& indicate indicate controlling design locations& and calculates calculates peror1ance ratios or the controlling locations" The peror1ance taken as a ratio o the allowable to the actual" (eror1ance ratios greater than or e3ual to 4"5 are %+,%& while peror1ance ratios less than 4"5 are are %'67%" /or urther inor1ation& reer reer to the Manual or this spreadsheet" spreadsheet"
Desi!n Criteri": AAST+ 0R/D 8ridge 8ridge Design Speciications 9th Edition with with :545 Interi1 Re#isions& Section 44"45 44"45 Mechani Stabili!ed Earth *alls" *alls" Any sections sections reerenced in Section 44"45 44"45 will ollow the AAST+ AAST+ 0R/D as 1odiied b (ennD+T Design Manual (art ;
Title: Test Run
By: Checked:
MSE WALL DESIGN SPREADSHEET
Figure A11.10.2-1 - MSE Wall Element Element Dimensions Needed for Design
/igure 4" AAST+ /igure >"44"9"?"4-4 @ Earth (ressure Distribution or MSE *all with 0e#el 8ackill Surace
D Depth o wall below ground surace <ront ace e1bed1ent= A44"45":":J$ Is the ground sloped in ront o the structure % or >$4 slope= A44"45":":J$ C 'c3 ied bearing capacity actor or walls adLacent to slopes "4":c-4J$
ts t ---------F di1
> n
di1
ied bearing capacity actor or walls adLacent to slopes "4":c-:J$
'γ 3
di1
Co1pression strength o rock sa1ple
Co
ts
Depth ro1 ooting base down to highest anticipated groundwater le#el D45"B">"4":g(J$
!w
t
5
Coeicient '1s to esti1ate no1inal bearing resistance o rock D45"B">":":-4(J$ Resistance actor or sliding resistance between soil and oundation D45"9"9":":J$
D Depth o wall below ground surace <ront ace e1bed1ent= A44"45":":J$ Is the ground sloped in ront o the structure % or >$4 slope= A44"45":":J$ C 'c3 ied bearing capacity actor or walls adLacent to slopes "4":c-4J$
ts t ---------F di1
> n
di1
ied bearing capacity actor or walls adLacent to slopes "4":c-:J$
'γ 3
di1
Co1pression strength o rock sa1ple
Co
ts
Depth ro1 ooting base down to highest anticipated groundwater le#el D45"B">"4":g(J$
!w
t
5
Coeicient '1s to esti1ate no1inal bearing resistance o rock D45"B">":":-4(J$ Resistance actor or sliding resistance between soil and oundation D45"9"9":":J$
Rein(rce%ent D"t" & Intern"l Ge%etry: Type o Reinorce1ent$ s = steel strip, g = geosynthetic, m = steel bar grid/mat, w = welded wire grid Type o steel strips$ s = smooth, r = ribbed
k2t
---------F ---------F ---------F ---------F ---------F t F
Rein(rce%ent D"t" & Intern"l Ge%etry: Type o Reinorce1ent$ s = steel strip, g = geosynthetic, m = steel bar grid/mat, w = welded wire grid Type o steel strips$ s = smooth, r = ribbed φ is used i not entered= A44"45"9">J$ ρ *as tan ρ deter1ined experi1entally based on soil to reinorce1ent contactH y = yes, n = no
