Maccaferri #nc% &'' Governor (ane !o)levard *illiams+ort, MD -&.9/0&&1 Tel2 '&0--019&' fax2 '&0--01&3 '&0--01&3 www%maccaferri0)sa%com
Design of Flexible Pavements with Maccaferri Geo
Welcome to Maccaferri FlexPave, a simplified Excel ® work works sheet heet for the the des desiign of of fle flex xibl ible pa pave Maccaferri !eogrids, tili"ing the AASHTO 9 design gidelines. #or additional information, information, please please refer to Maccaferri technical technical note on $esign $esign of #lexibl
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Prepared by Maccaferri Inc.
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D#S5(A#M"4 All information contained herein has been prepared for the benefit of customers interested in Maccaferri Engineered products and is provided as a service to the user. All information and recommendations were carefully compiled and reviewed prior to publication to the best of Maccaferri’s knowledge. Final determination of the suitability of any information, material and recommendations for applications contemplated is the sole responsibility of the user.
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Prepared by Maccaferri Inc.
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1) Please note that the two “ Reset” buttons allow for the calculation of the subgrade “ MR ” and the traffic “ W18” from “CBR ” and “w18” respectively. The user, however, has the option to insert these values directly into the assigned cells if they were known. %& 'lick on (5alc)late Time to Drain( btton to calclate the time to drain for the designed pavement cross section. )ased on the time to drain, yo can select a corresponding drainage coefficient from the attached table * as a comment for the cell &.
GO TO P4"E#O:S S54""$
Prepared by Maccaferri Inc.
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Suggested Reliability Values Interstate and other freeways "rin#i$al %rterials Colle#tors 'o#al
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Urban 85-! 80- 80-5 50-80
Rural 80-! &5-5 &5-5 50-80
"SI ( "o-"t "o: Initial serviceability index = approx. 4.2 "t: er!inal serviceability index Re#o))ended *)* Values +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ,uality of rainage "er#ent of .i)e "a/e)ent Stru#ture is x$osed to oisture 'e/els 2water re)o/ed within3 %$$roa#hing Saturation +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 'ess than 14 1-54 5-54 6reater than 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ x#ellent 2 hours3 1!70-1!5 1!5-1!0 1!0-1!0 1!0 6ood 21 day3
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Prepared by Maccaferri Inc.
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#or more details refer to 'accaferri (nc., **1, $&esign 'anual #or +oadway eocomposite -nderdr 5O$T#$:" TO TH#56$"SS 5A(5:(AT#O$S
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Maccaferri Geogrids Series Maccaferri Geogrids series is a m)ltilaer Geogrid consisting of high strength extr)ded biaxiall orien geogrids% The laers are rolled and stitched together witho)t s)+erim+osing the meshes creating a Ge siIed a+ert)res designed to accommodate a variet of fill materials% The random a+ert)re geometr, m and m)lti+le laers of the Geogrid enhance soilGeogrid interaction% Maccaferri Geogrids greatl im+rove the geogrid interloc8ing ca+acit, distrib)te a++lied loads, and +r shear fail)re% T+ical a++lications2 0 Soft soil stabiliIation 0 !ase reinforcement 0 "mban8ments over wea8 soils 0 *or8ing +latforms 0 Ha)l roads
Go To "!- Geog S+ecification GO TO P4"E#O:S S54""$
Prepared by Maccaferri Inc.
Go To " ! Geog S+ecification
Maccaferri "!M213I145E/ )I67/IE83E$ !E7!/I$0 Maccaferri E)% geogrid is composed of two layers of high strength extrded biaxially oriented polypropylene geogrids. 3he layers are rolled and stitched together withot sperimposing the meshes creating a geogrid with random si"ed apertres designed to accommodate a variety of fill materials. 3he random apertre geometry, many tensile elements and mltiple layers of the geogrid enhance soil9geogrid interaction. Maccaferri E)% geogrid greatly improves the geogrid interlocking capacity, distribtes applied loads, and prevents locali"ed shear failre.
T+ical a++lications2 6 soft soil stabili"ation 6 base reinforcement 6 embankments over weak soils 6 working platforms 6 hal roads
MAT"4#A( 5HA4A5T"4#ST#5S 03/2'32/E P715ME/ 35PE '4/)78 )14'; '783E83 T"5H$#5A( 5HA4A5T"4#ST#5S
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Maccaferri #nc% &'' Governor (ane !o)levard *illiams+ort, MD -&.9/0&&1 tel >'&@ --019&' fax >'&@ --01&3
Prepared by Maccaferri Inc.
T"ST M"THOD
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Maccaferri "! M213I145E/ )I67/IE83E$ !E7!/I$0 Maccaferri E)B geogrid is com posed of three layers of high strength extrded biaxially oriented polypropylene mesh. 3he layers are rolled and stitched together withot sperimposing the meshes creating a geogrid with random si"ed apertres designed to accommodate a variety of fill materials. 3he random apertre geometry, many tensile elements and mltiple layers of the geogrid enhance soil9geogrid interaction. Maccaferri E)B geogrid greatly improves geogrid interlocking capacity, distribtes applied loads, and prevents locali"ed shear failre.
T+ical a++lications2 6 soft soil stabili"ation 6 base reinforcement 6 embankments over weak soils 6 working platforms 6 hal roads
MAT"4#A( 5HA4A5T"4#ST#5S 03/2'32/E P715ME/ 35PE '4/)78 )14'; '783E83
T"5H$#5A( 5HA4A5T"4#ST#5S T"ST D#4"5T#O$ PE4; 3E80I1E 03/E8!3: 332/E I8I3I41 M7$2120 I8 20E 3E80I1E 03/E8!3: at %@ 03/4I8 3E80I1E M7$2120 at %@ 03/4I8 3E80I1E 03/E8!3: at ?@ 03/4I8 3E80I1E M7$2120 at ?@ 03/4I8 5IE1$ P7I83 E178!43I78 C28'3I78 03/E8!3:
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Maccaferri #nc% &'' Governor (ane !o)levard *illiams+ort, MD -&.9/0&&1 tel >'&@ --019&' fax >'&@ --01&3
Prepared by Maccaferri Inc.
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