TWIN REINFORCED CONCRETE BOX CULVERT STANDARDS
20 INCHES TO 18.TWIN REINFORCED CONCRETEBOX CULVERT STANDARDSGENERAL NOTES:INDEX FOR TWIN CULVERT STANDARDS:SPECIFICATIONS:1.THE RCB CULVERT SECTIONS ARE DESIGNED FOR HL-93 LIVE LOAD AND EARTH FILLS OFTWRCB G1-12INDEX & GENERAL NOTESDESIGN:VARYING HEIGHTS.TWRCB G2-12TYPICAL CULVERT BARREL DETAILSVERTICAL EARTH PRESSURE, EV 0.120 kcf.TWRCB 8-4-12CULVERT BARREL DETAILS, 8 x 4 BARREL SECTIONSHORIZONTAL EARTH PRESSURE, EHmax 0.060 kcf MAX, EHmin 0.030 kcf.TWRCB 8-5-12CULVERT BARREL DETAILS, 8 x 5 BARREL SECTIONSTHE RCB CULVERT SECTIONS ARE DESIGN FOR CLASS 1 EXPOSURE CONDITIONS EXCEPT:TWRCB 8-6-12CULVERT BARREL DETAILS, 8 x 6 BARREL SECTIONSIOWA DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATIONS FORCLASS 2 EXPOSURE CONDITION IS UTILIZED FOR THE SLAB DESIGN IN 0' FILLTWRCB 8-7-12CULVERT BARREL DETAILS, 8 x 7 BARREL SECTIONSHIGHWAY AND BRIDGE CONSTRUCTION, CURRENT SERIES, PLUS APPLICABLEINSTANCES.TWRCB 8-8-12CULVERT BARREL DETAILS, 8 x 8 BARREL SECTIONSGENERAL SUPPLEMENTAL SPECIFICATIONS, DEVELOPMENTAL SPECIFICATIONS,ALL SLAB AND FLOOR REINFORCING STEEL IS TO BE SUPPORTED AT INTERVALS OF NOTTWRCB 8-9-12CULVERT BARREL DETAILS, 8 x 9 BARREL SECTIONSSUPPLEMENTAL SPECIFICATIONS AND SPECIAL PROVISIONSMORE THAN 3'-O IN EITHER DIRECTION AS OUTLINED IN THE STANDARD SPECIFICATIONS.TWRCB 8-10-12CULVERT BARREL DETAILS, 8 x 10 BARREL SECTIONSTHE CLEAR DISTANCE FROM FACE OF CONCRETE TO NEAR EDGE OR END OF REINFORCINGTWRCB 10-4-12CULVERT BARREL DETAILS, 10 x 4 BARREL SECTIONSBAR TO BE 2" UNLESS OTHERWISE NOTED.TWRCB 10-5-12CULVERT BARREL DETAILS, 10 x 5 BARREL SECTIONSDESIGN STRESSES:EXCEPT FOR DOWEL BARS 5r1 IN SLAB, LONGITUDINAL REINFORCING IS NOT TO EXTENDTWRCB 10-6-12CULVERT BARREL DETAILS, 10 x 6 BARREL SECTIONSDESIGN STRESSES FOR THE FOLLOWING MATERIALS ARE IN ACCORDANCE WITHTHRU THE CONSTRUCTION JOINTS.TWRCB 10-7-12CULVERT BARREL DETAILS, 10 x 7 BARREL SECTIONSTHE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS, 5TH ED., SERIES OF 2010:FLOOR OF BARREL IS TO BE FINISHED SMOOTH. SIDES OF FOOTING ARE TO BE FORMEDTWRCB 10-8-12CULVERT BARREL DETAILS, 10 x 8 BARREL SECTIONSREINFORCING STEEL IN ACCORDANCE WITH AASHTO LRFD SECTION 5, GRADE 60.TO INSURE CORRECT LINE AND GRADE.TWRCB 10-9-12CULVERT BARREL DETAILS, 10 x 9 BARREL SECTIONSCONCRETE IN ACCORDANCE WITH AASHTO LRFD SECTION 5, f'c 4.0 KSI.THE PERMISSIBLE CONSTRUCTION JOINT AT THE TOP OF THE WALLS MAY BE LOWEREDTWRCB 10-10-12CULVERT BARREL DETAILS, 10 x 10 BARREL SECTIONSAT THE CONTRACTOR'S OPTION WITH ENGINEER'S APPROVAL.TWRCB 10-11-12CULVERT BARREL DETAILS, 10 x 11 BARREL SECTIONSTHE REINFORCEMENT SUPPLIED FOR THIS STRUCTURE SHALL BE GRADE 60TWRCB 10-12-12CULVERT BARREL DETAILS, 10 x 12 BARREL SECTIONSREINFORCEMENT IN ACCORDANCE WITH THE STANDARD SPECIFICATIONS. THE DESIGNTWRCB 12-4-12CULVERT BARREL DETAILS, 12 x 4 BARREL SECTIONSSTRESSES ARE BASED ON GRADE 60 REINFORCEMENT.TWRCB 12-5-12CULVERT BARREL DETAILS, 12 x 5 BARREL SECTIONSTWRCB 12-6-12CULVERT BARREL DETAILS, 12 x 6 BARREL SECTIONSTWRCB 12-7-12CULVERT BARREL DETAILS, 12 x 7 BARREL SECTIONSTWRCB 12-8-12CULVERT BARREL DETAILS, 12 x 8 BARREL SECTIONSTWRCB 12-9-12CULVERT BARREL DETAILS, 12 x 9 BARREL SECTIONSTWRCB 12-10-12CULVERT BARREL DETAILS, 12 x 10 BARREL SECTIONSTWRCB 12-11-12CULVERT BARREL DETAILS, 12 x 11 BARREL SECTIONSTWRCB 12-12-12CULVERT BARREL DETAILS, 12 x 12 BARREL SECTIONSTWH 0-1-12FLARED WING HEADWALLS, 0 SKEW, DIMENSION PLAN & TABLETWH 0-2-12FLARED WING HEADWALLS, 0 SKEW, APRON & CURTAIN WALL DETAILS2" EXCEPTTWH 0-3-12FLARED WING HEADWALLS, 0 SKEW, WINGWALL & PARAPET DETAILSTOP OF FLOOR2‚" TO NEAR TRANSVERSE REINFORCING BARTWH 0-4-12FLARED WING HEADWALLS, 0 SKEW, QUANTITIES TABLEBOTTOM OF FLOOR3 " TO NEAR TRANSVERSE REINFORCING BARTWH 0-5-12FLARED WING HEADWALLS, 0 SKEW, QUANTITIES TABLETWH 15-1-12FLARED WING HEADWALLS, 15 SKEW, DIMENSION PLAN5.6.7.8.9.10. THE VERTICAL BARS IN THE WALLS MAY BE SPLICED ABOVE THE FOOTING AT THECONTRACTOR'S OPTION AS FOLLOWS:BAR SIZE NUMBER4MINIMUM SPLICE LENGTH5678917" 21" 25" 31" 41" 51"THIS SPLICE, IF USED, WILL BE AT THE CONTRACTOR'S EXPENSE.11. REINFORCING BAR CLEARANCES WILL BE AS FOLLOWS:EDGE CLEARANCES:END CLEARANCES:VERTICAL TOP2"TWH 15-2-12FLARED WING HEADWALLS, 15 SKEW, DIMENSION TABLEVERTICAL BOTTOM3" OR 3 " IF OVERALL HEIGHT OF THETWH 15-3-12FLARED WING HEADWALLS, 15 SKEW, APRON DETAILSCULVERT IS NOT TO A FULL INCHTWH 15-4-12FLARED WING HEADWALLS, 15 SKEW, PARAPET & CURTAIN WALL DETAILS2"TWH 15-5-12FLARED WING HEADWALLS, 15 SKEW, WINGWALL DETAILSTWH 15-6-12FLARED WING HEADWALLS, 15 SKEW, QUANTITIES TABLETWH 15-7-12FLARED WING HEADWALLS, 15 SKEW, QUANTITIES TABLE13. ALL BEVELED KEYWAYS SHALL BE CENTERED.TWH 15-8-12FLARED WING HEADWALLS, 15 SKEW, QUANTITIES TABLE14. KEYWAY SIZE SHALL BE 2x4 EXCEPT AS FOLLOWS:TWH 15-9-12FLARED WING HEADWALLS, 15 SKEW, QUANTITIES TABLEKEYWAY BETWEEN THE FLOOR AND WALL SHALL BE 2x6 WHEN THE WALL ISTWH 30-1-12FLARED WING HEADWALLS, 30 SKEW, DIMENSION PLANGREATER THAN 10 INCHES WIDE.TWH 30-2-12FLARED WING HEADWALLS, 30 SKEW, DIMENSION TABLETWH 30-3-12FLARED WING HEADWALLS, 30 SKEW, APRON DETAILSUNLESS STATED OTHERWISE. IN ADDITION, THE BEVEL USED ON THE KEYWAY SHALL BETWH 30-4-12FLARED WING HEADWALLS, 30 SKEW, PARAPET & CURTAIN WALL DETAILSLIMITED TO A MAXIMUM OF 10 DEGREES FROM VERTICAL.TWH 30-5-12FLARED WING HEADWALLS, 30 SKEW, WINGWALL DETAILSTWH 30-6-12FLARED WING HEADWALLS, 30 SKEW, QUANTITIES TABLECOATING OF SLAB REINFORCING STEEL, IF APPLICABLE, SHALL BE INCLUDED IN THETWH 30-7-12FLARED WING HEADWALLS, 30 SKEW, QUANTITIES TABLEFINAL PLANS.TWH 30-8-12FLARED WING HEADWALLS, 30 SKEW, QUANTITIES TABLE17. ALL DIMENSIONS ARE IN FEET AND INCHES UNLESS OTHERWISE NOTED OR SHOWN.TWH 30-9-12FLARED WING HEADWALLS, 30 SKEW, QUANTITIES TABLE18. SEE CURRENT STANDARD SPECIFICATIONS REGARDING CONCRETE FORM REMOVAL.TWH 45-1-12FLARED WING HEADWALLS, 45 SKEW, DIMENSION PLAN19. THESE CULVERT STANDARDS LABEL ALL REINFORCING STEEL WITH ENGLISH NOTATIONTWH 45-2-12FLARED WING HEADWALLS, 45 SKEW, DIMENSION TABLE(5a1 IS † INCH DIAMETER BAR). ENGLISH REINFORCING STEEL RECEIVED IN THE FIELDTWH 45-3-12FLARED WING HEADWALLS, 45 SKEW, APRON DETAILSMAY DISPLAY THE FOLLOWING "BAR DESIGNATION". THE "BAR DESIGNATION" IS THETWH 45-4-12FLARED WING HEADWALLS, 45 SKEW, APRON DETAILSSTAMPED IMPRESSION ON THE REINFORCING BARS, AND IS EQUIVALENT TO THE BARTWH 45-5-12FLARED WING HEADWALLS, 45 SKEW, PARAPET & CURTAIN WALL DETAILSDIAMETER IN MILLIMETERS.TWH 45-6-12FLARED WING HEADWALLS, 45 SKEW, WINGWALL DETAILSTWH 45-7-12FLARED WING HEADWALLS, 45 SKEW, QUANTITIES TABLETWH 45-8-12FLARED WING HEADWALLS, 45 SKEW, QUANTITIES TABLETWH 45-9-12FLARED WING HEADWALLS, 45 SKEW, QUANTITIES TABLETWH 45-10-12FLARED WING HEADWALLS, 45 SKEW, QUANTITIES TABLETWCBJ 1-12CULVERT BELL JOINTS, 8' SPANSTWCBJ 2-12CULVERT BELL JOINTS, 10' & 12' SPANSTWCBJ 3-12CULVERT BELL JOINTS, ALL SPANSTRANSVERSE12. ALL CONSTRUCTION JOINTS SHALL BE FORMED WITH A BEVELED KEYWAY EXCEPT ATBELL JOINTS.15. KEYWAY DIMENSIONS SHOWN ON THE PLANS ARE BASED ON NOMINAL DIMENSIONS16. IF 0' OF FILL IS SPECIFIED, DETAILS FOR PAVING NOTCH AND REFERENCE TO EPOXYENGLISH SIZEBAR DESIGNATION45678913161922252920. IN THE EVENT THE SLAB THICKNESS AT THE BARREL END SECTION EXCEEDS 18 INCHES,THE CULVERT PARAPET SHALL EXTEND A MINIMUM OF 6 INCHES ABOVE THE TOP OF THECULVERT SLAB. REFER TO THE CULVERT DESIGN MANUAL FOR INSTRUCTIONS. THESEDETAILS ARE TO BE INCLUDED IN THE DESIGN PLANS TO ADDRESS THESE SITUATIONS.11/29/201610:48:46 AMbklossW:\Highway\Bridge\MethodsSection\CADD Concept Drafts\EnglishLRFDSignedTwinCulverts.dgnTWRCB G1-1211x17 pdf.pltcfgAPPROVED BY BRIDGE ENGINEER4.CONSTRUCTION:07-20163.AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS, 5TH ED., SERIES OF 2010.LATEST REVISION DATE2.ENGLISHLRFDSIGNEDTWINCULVERTS.DGN - TWRCB G1-12 - THIS SHEET ISSUED 04-12.REVISED 07-2016 - ADDED THE DESIGN VERTICAL AND HORIZONTAL EARTH PRESSURES AND RENUMBERED THE GENERAL NOTES. CHANGED DISTANCE IN NOTE # 20 FROMREVISED 1-16 - UPDATED NOTE 17 PERTAINING TO CONCRETE FORMS. (OLD NOTE:REMAINING IN PLACE 5 DAYS OR LONGER,EXCEPT MIN.CONC.FLEXURAL STRENGTH BEFORE REMOVAL SHALL BE 575 PSI).REVISED 10-12 - DELETED THE REFERENCE TO THE DESIGN MANUAL IN NOTE 19 PERTAINING TO DETAILS IN THE DESIGN MANUAL.Highway DivisionHighway DivisionSTANDARD DESIGNTWIN REINFORCED CONCRETEBOX CULVERTSAPRIL, 2012INDEX &GENERAL NOTESTWRCB G1-12
4 m4 OR k4 BARSVARIESDa1 BARSEa2 BARS STAGGEREDDa1 BARSVARIES4 4 4 k4 BARS4 k1 BARS4 k6 BARS1'-0BACK OF PARAPETm6 OR k6 BARSVAR.AT INSIDE FACEOF BARREL WALL SPA.1'-0 SPA.k2 BARSk7 BARS SPA.m7 OR k7 BARSVAR.k9 BARSSPA. BARREL SECTION333a1k4k4a1k1TOP OFBACK OF PARAPETk9BOTTOM OFSLABAT CULVERTVAR.k1k9Ea2 BARS (STAGGERED)BOTTOM OFTOP OFSLABSLABSLAB3k2k2SYMMETRICAL ABOUTa2k7AND CULVERTU CULVERT CULVERTm7m6m6Za2m7m2BOTTOMm2AT CULVERTm9OFBARS AS REQUIRED. DISCARDFLOORCUT LENGTHS OF 2'-0 OR LESS.m7m6BACK OF PARAPETCUT & RELOCATE m6 AND k6k7Xk6 CULVERTk6 BARREL SECTIONa2Wk6k7TOP OFTOP OFBOTTOM OFFLOORFLOORFLOORm9CUT & RELOCATE k1 & k2 BARS.DISCARD CUT LENGTHS OF 2'-0m4m1m1OR LESS. EXTEND m1 OR m2a1BARS INTO HEADWALL APRON.m42x4 BEVELEDKEYWAY (TYP.)33m6 OR k6 BARS1'-0NOTE:ALL LONGITUDINAL BARREL STEELVARIESm1 OR k1 BARS4 VARIESa1 BARS4 BACKFACE OF PARAPET.4 m2 OR k2 BARSSPA. SPA. SPA.VARIESm9 BARSm1 BARSm7 BARSm2 BARS SPA.1'-0m6 BARSDm4 BARSNOTE:4 4 TYPICAL FOR LENGTHS OF 38', 35', 32',29', AND 26'. THESE LENGTHS ARE SHOWNEND SECTION PLAN VIEWSSTANDARD SECTION PLAN VIEWAS TYPICAL BECAUSE ALL TRANSVERSEAND VERTICAL REINFORCING STEEL SPACING(KEYWAYS NOT SHOWN)(KEYWAY IS TO BE OMITTED WHEN BELL JOINTS ARE USED)REPEATS IN 3'-0 INTERVALS.SPANBACK FACEPARAPETPARAPETUSE FOR SKEWS OF 30 & 45 BY INCREASING THE NUMBERSPANFRONT FACEEND SECTION DETAILS SHOWN ARE FOR A 15 SKEW BARREL.BARRELSPANHEADWALLNOTE:OF TRANSVERSE REINFORCING BARS REQUIRED TO BE CUTAND RELOCATED. OF CULVERTNOTE:DIMENSIONS LISTED ON THIS SHEET TO BE USED INCONJUNCTION WITH DIMENSIONS AND QUANTITIES FORBARREL SECTION SHEETS.SPAN5r1 BARS - ONEONE SET OF 5r1 x 3'-6 DOWEL BARS @ 1'-0SPACING REQUIRED IN SLAB AT ALL CULVERTCONST. JT.WINGWALLSHEADWALLBARRELAPRONFLOORSPANNO.WEIGHT (LB)8'-0186610'-0228012'-02695BARREL JOINTS, EXCEPT JOINTS WITH BELL JOINTS.SEE TABLE FOR NUMBER REQUIRED AND TOTAL WEIGHT.TOP SLAB CONSTRUCTION JOINT DETAILTRANSITION WALL DETAILS11/29/201610:48:48 AMbklossW:\Highway\Bridge\MethodsSection\CADD Concept Drafts\EnglishLRFDSignedTwinCulverts.dgnTWRCB G2-1211x17 pdf.pltcfgAPPROVED BY BRIDGE ENGINEERTROUGH12-2016LINESFROSTLATEST REVISION DATETRANSITIONSPANKEYWAYWALLSBARRELSPANBEVELED 2x4HEADWALLENGLISHLRFDSIGNEDTWINCULVERTS.DGN - TWRCB G2-12 - THIS SHEET ISSUED 04-12.REVISED 12-2016 - EDITED KEYWAY NOTES IN PLAN VIEWS AND CORRECTED TYPOS.REVISED 07-14 - TRANSITION WALL DETAILS.m4 OR k4 BARS4 4 SHALL EXTEND AT LEAST TO THEVARIES334 Highway DivisionSTANDARD DESIGNTWIN REINFORCED CONCRETEBOX CULVERTSAPRIL, 2012TYPICAL CULVERTBARREL DETAILSTWRCB G2-12
VARIABLE DIMENSIONS AND QUANTITIES FOR TWIN 8 x 4 BARREL SECTIONSBAR LISTDIMENSIONSa1a2f1f2k1SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE 181458-10848109991'-11 81411-13848.510.59991'-11 12144181441218417-198410129991'-10 69412144181441215Le2H13SIZE SP.e1S11.5 13.5Lb2FILL3'-0SIZE SP.b1LSIZE SP.k4LSIZE SP.k6SIZE 149184181461817'-11618Lm1m2LSIZE '-11512SIZE SP.m6LHVSIZE SP.L44.5 17'-1110'-644.5 17'-119'-264.5 17'-11188'-264.5 17'-116187'-264.5 17'-1117'-115126'-454.5 17'-111217'-115125'-1054.5 17'-114917'-11595'-854.5 17'-112'-1151217'-116126'-064.5 17'-112'-03'-051217'-116125'-1064.5 17'-115'-12'-03'-141217'-117126'-274.5 17'-115'-32'-03'-351217'-116126'-264.5 17'-112'-10 2'-10QUANTITIESm4LL4BAR LISTFILL SIZE SP.k9SIZE SP.m7SIZE SP.LSIZE SP.m9LSIZE SP.CONCRETE (CY/FT)LSLABFLOORWALLSSTEELTOTAL 53ƒVBENT BAR DETAILD Hk4 & m4NOTE:ENGLISHLRFDSIGNEDTWINCULVERTS.DGN - TWRCB 8-4-12 - THIS SHEET ISSUED 04-12.ALL DIMENSIONS ARE OUT TO OUT.D PIN DIAMETER.1'-04 SPA. @ 1'-6; e2 BARS1'-0SYMMETRICAL ABOUT PERMISSIBLEALTERNATE k7CONSTRUCTION JOINTSPACINGk6k4e1"A"e26 SPA. @ 1'-0; f1 BARS1'-06b22‚"CL.4a2 STAGGEREDf19"C"b1m2 ALTERNATEBEVELED KEYWAYm1 SPACING4f23 "1'-04 SPA. @ 1'-6; 4f2 BARSCL."B""B" 438'-0 "S"4f21'-0m6 ALTERNATEm7 SPACINGm4f1TWIN 8 x 4 BARREL SECTION11/29/201610:48:50 AMbklossW:\Highway\Bridge\MethodsSection\CADD Concept N WITH SHEET TWRCB G2-12.2. DIMENSIONS "A", "B", "C", "D", "E", AND "SP." LISTED INTHE BAR LIST ARE IN INCHES.APPROVED BY BRIDGE ENGINEER1'-04"C"a1LATEST REVISION DATE1'-08'-0 "S"b11. DIMENSIONS LISTED ON THIS SHEET TO BE USED INb1 BARS6 SPA. @ 1'-0; e1 BARSe2k2 SPACINGBEVELED KEYWAYb2 BARS24'-0 "H"1'-0"C"3 6 SPA. @ 6 STGG'D.b263 6 SPA. @ 6 STGG'D.96NOTES:k1 ALTERNATEHighway DivisionSTANDARD DESIGNTWIN REINFORCED CONCRETEBOX CULVERTSAPRIL, 2012CULVERT BARRELDETAILS8 x 4 BARREL SECTIONSTWRCB 8-4-1211x17 pdf.pltcfgTWRCB 8-4-12
VARIABLE DIMENSIONS AND QUANTITIES FOR TWIN 8 x 5 BARREL SECTIONSBAR LISTDIMENSIONSa1a2SIZE SP.LSIZE SP.b1Lb2e1e2f1f2k1SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP.k2FILLSHABCDEUWXZLSIZE 10858109991'-11 4181411-13858.510.59991'-10 62046114121441814412k4LSIZE SP.k6SIZE 1149184181461817'-11618Lm1m2LSIZE 7'-846SIZE SP.m6LHVSIZE SP.L44.5 17'-1110'-654.5 17'-119'-864.5 17'-11188'-464.5 17'-116187'-464.5 17'-1117'-115126'-654.5 17'-111217'-115125'-1054.5 17'-114917'-11595'-1054.5 17'-112'-1151217'-116126'-064.5 17'-112'-23'-451217'-116125'-1064.5 17'-115'-72'-13'-651217'-116126'-064.5 17'-115'-52'-23'-351217'-116126'-264.5 17'-112'-10 2'-10QUANTITIESm4LL4BAR LISTFILL SIZE SP.k9SIZE SP.m7SIZE SP.LSIZE SP.m9LSIZE SP.CONCRETE (CY/FT)LSLABFLOORWALLSSTEELTOTAL BARSD4353ƒ64 VBENT BAR DETAILD Hk4 & m4NOTE:ENGLISHLRFDSIGNEDTWINCULVERTS.DGN - TWRCB 8-5-12 - THIS SHEET ISSUED 04-12.ALL DIMENSIONS ARE OUT TO OUT.D PIN DIAMETER.1'-04 SPA. @ 1'-6; e2 BARS1'-0SYMMETRICAL ABOUT PERMISSIBLEALTERNATE k7CONSTRUCTION JOINTSPACINGk6k4e1b16 SPA. @ 1'-0; f1 BARS61'-0a2 STAGGERED32‚"CL.4"C"a1BEVELED KEYWAYm2 ALTERNATEm1 SPACING4f23 "4 SPA. @ 1'-6; 4f2 BARSCL."B"f18'-0 "S"4f21'-0m6 ALTERNATEm7 SPACINGm4f1TWIN 8 x 5 BARREL SECTION10:48:52 AMbklossW:\Highway\Bridge\MethodsSection\CADD Concept Drafts\EnglishLRFDSignedTwinCulverts.dgnTHE BAR LIST ARE IN INCHES.APPROVED BY BRIDGE ENGINEER"C"CONJUNCTION WITH SHEET TWRCB G2-12.2. DIMENSIONS "A", "B", "C", "D", "E", AND "SP." LISTED INLATEST REVISION DATE1'-01'-011/29/2016NOTES:1. DIMENSIONS LISTED ON THIS SHEET TO BE USED INb1 BARS8'-0 "S"b18 SPA.@ 6 STAGGERED"C"BEVELED KEYWAY32b2b2 BARS1'-08 SPA.@ 6 STAGGERED6 SPA. @ 1'-0; e1 BARS3"B" 4e2k2 SPACING1'-05'-0 "H"k1 ALTERNATEb264996"A"e2Highway DivisionSTANDARD DESIGNTWIN REINFORCED CONCRETEBOX CULVERTSAPRIL, 2012CULVERT BARRELDETAILS8 x 5 BARREL SECTIONSTWRCB 8-5-1211x17 pdf.pltcfgTWRCB 8-5-12
VARIABLE DIMENSIONS AND QUANTITIES FOR TWIN 8 x 6 BARREL SECTIONSBAR LISTDIMENSIONSa1a2SIZE SP.LSIZE SP.b1Lb2e1e2f1f2k1SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP.k2FILLSHABCDEUWXZLSIZE -10868109991'-11 181411-13868.5119991'-10 2446134121441814412k4LSIZE SP.k6SIZE 10 2'-10517'-115186'-1465'-82'-10 2'-101817'-115186'-11465'-82'-10 IZE '-1052'-42'-115'-42'-4125'-8612612SIZE SP.m6LHVSIZE SP.L44.5 17'-1110'-644.5 17'-1110'-464.5 17'-11188'-864.5 17'-116187'-664.5 17'-1117'-115126'-654.5 17'-111217'-115125'-1054.5 17'-114917'-11595'-1054.5 17'-113'-051217'-116126'-064.5 17'-112'-43'-451217'-116125'-1064.5 17'-115'-92'-33'-651217'-116126'-064.5 17'-115'-112'-43'-751217'-116126'-264.5 17'-11QUANTITIESm4LL4BAR LISTFILL SIZE SP.k9SIZE SP.m7SIZE SP.LSIZE SP.m9LSIZE SP.CONCRETE (CY/FT)LSLABFLOORWALLSSTEELTOTAL 26BARSD4353ƒ64 VBENT BAR DETAILD Hk4 & m4ENGLISHLRFDSIGNEDTWINCULVERTS.DGN - TWRCB 8-6-12 - THIS SHEET ISSUED 04-12.NOTE:ALL DIMENSIONS ARE OUT TO OUT.D PIN DIAMETER.1'-04 SPA. @ 1'-6; e2 BARS1'-0SYMMETRICAL ABOUT PERMISSIBLEALTERNATE k7CONSTRUCTION JOINTSPACINGk6k4e1b1a2 STAGGERED"C"8'-0 "S"1'-0"C"6 SPA. @ 1'-0; f1 BARS1'-06BEVELED KEYWAYa1b18'-0 "S""C"NOTES:1. DIMENSIONS LISTED ON THIS SHEET TO BE USED INCONJUNCTION WITH SHEET TWRCB G2-12.2. DIMENSIONS "A", "B", "C", "D", "E", AND "SP." LISTED INTHE BAR LIST ARE IN INCHES.BEVELED KEYWAY4 SPA. @ 1'-6; 4f2 BARSCL.3 "1'-04f21'-0m6 ALTERNATEm7 SPACINGm4f1TWIN 8 x 6 BARREL SECTION11/29/201610:48:54 AMbklossW:\Highway\Bridge\MethodsSection\CADD Concept Drafts\EnglishLRFDSignedTwinCulverts.dgnLATEST REVISION DATEm1 SPACING4f2332‚"4CL.m2 ALTERNATEf1"B""B" 43APPROVED BY BRIDGE ENGINEERb2b1 BARS1'-010 SPA.@ 6 STAGGERED6 SPA. @ 1'-0; e1 BARSb2 BARS1'-06'-0 "H"e2k2 SPACING10 SPA.@ 6 STAGGERED2k1 ALTERNATEb264996"A"e2Highway DivisionSTANDARD DESIGNTWIN REINFORCED CONCRETEBOX CULVERTSAPRIL, 2012CULVERT BARRELDETAILS8 x 6 BARREL SECTIONSTWRCB 8-6-1211x17 pdf.pltcfgTWRCB 8-6-12
VARIABLE DIMENSIONS AND QUANTITIES FOR TWIN 8 x 7 BARREL SECTIONSBAR LISTDIMENSIONSa1a2SIZE SP.LSIZE SP.b1Lb2e1e2f1f2k1SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP.k2LSIZE SP.k4LSIZE 6188'-114618711.5 462846154121441814412184181461817'-116187'-94SIZE 1 2'-1141217'-112'-10 2'-105122'-1142'-63'-05'-52'-565'-865'-10m1m2LSIZE SP.SIZE SP.m6LHVSIZE SP.L4.5 17'-1110'-644.5 17'-1110'-1064.5 17'-119'-064.5 17'-11187'-864.5 17'-115126'-654.5 17'-1117'-115125'-1054.5 17'-11917'-11595'-1054.5 17'-1151217'-116126'-064.5 17'-113'-051217'-116125'-1064.5 17'-112'-63'-251217'-116126'-064.5 17'-112'-73'-351217'-116126'-264.5 17'-113'-11 2'-1010'-6QUANTITIESm4LL4BAR LISTFILL SIZE SP.k9SIZE SP.m7SIZE SP.LSIZE SP.m9LSIZE SP.CONCRETE (CY/FT)LSLABFLOORWALLSSTEELTOTAL 77.05BARSD4353ƒ64 VBENT BAR DETAILD Hk4 & m41'-04 SPA. @ 1'-6; e2 BARS1'-0NOTE:ENGLISHLRFDSIGNEDTWINCULVERTS.DGN - TWRCB 8-7-12 - THIS SHEET ISSUED 04-12.SYMMETRICAL ABOUT ALL DIMENSIONS ARE OUT TO OUT.D PIN DIAMETER.PERMISSIBLEALTERNATE k7CONSTRUCTION JOINTSPACINGk6k4e1k1 ALTERNATEb262996"A"e2e2b1k2 SPACING1'-06 SPA. @ 1'-0; e1 BARS1'-0"C"a2 STAGGERED1'-046 SPA. @ 1'-0; f1 BARS1'-08'-0 "S""C"1. DIMENSIONS LISTED ON THIS SHEET TO BE USED INCONJUNCTION WITH SHEET TWRCB G2-12.2. DIMENSIONS "A", "B", "C", "D", "E", AND "SP." LISTED INTHE BAR LIST ARE IN INCHES.6BEVELED KEYWAY4 SPA. @ 1'-6; 4f2 BARSCL.3 "1'-04f21'-0m6 ALTERNATEm7 SPACINGm4f1TWIN 8 x 7 BARREL SECTION11/29/201610:48:58 AMbklossW:\Highway\Bridge\MethodsSection\CADD Concept Drafts\EnglishLRFDSignedTwinCulverts.dgnLATEST REVISION DATEm1 SPACING4f2332‚"4CL.m2 ALTERNATEf1"B""B" 43APPROVED BY BRIDGE ENGINEER8'-0 "S"NOTES:b1 BARS"C"b112 SPA.@ 6 STAGGEREDb2b2 BARS7'-0 "H"BEVELED KEYWAY12 SPA.@ 6 STAGGEREDa1Highway DivisionSTANDARD DESIGNTWIN REINFORCED CONCRETEBOX CULVERTSAPRIL, 2012CULVERT BARRELDETAILS8 x 7 BARREL SECTIONSTWRCB 8-7-1211x17 pdf.pltcfgTWRCB 8-7-12
VARIABLE DIMENSIONS AND QUANTITIES FOR TWIN 8 x 8 BARREL SECTIONSBAR LISTDIMENSIONSa1a2SIZE SP.LSIZE SP.b1Lb2e1e2f1f2k1FILLSHABCDEUWXZSIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE SP. NO. SIZE 246175121441814412184181418811.5 4181418418121844121814412181444181441814SIZE 2412k4LSIZE SP.k6SIZE 1 -5m1m2LSIZE SP.SIZE SP.m6LHVSIZE SP.10'-6L4.5 17'-1110'-644.5 17'-1110'-1064.5 17'-119'-864.5 17'-11187'-1064.5 17'-115126'-854.5 17'-1117'-115125'-1054.5 17'-11917'-11595'-1054.5 17'-1151217'-116126'-064.5 17'-113'-451217'-116125'-1064.5 17'-112'-93'-651217'-116126'-064.5 4LL4BAR LISTFILL SIZE SP.k9SIZE SP.m7SIZE SP.LSIZE SP.m9LSIZE SP.CONCRETE (CY/FT)LSLABFLOORWALLSSTEELTOTAL 18'-58186'-684.518'-5
the aashto lrfd bridge design specifications, 5th ed., series of 2010: reinforcing steel in accordance with aashto lrfd section 5, grade 60. concrete in accordance with aashto lrfd section 5, f'c 4.0 ksi. details are to be included in the design plans to address these situations.
IV. PIPE CULVERT Pipe culvert may be a single or multiple pipes; therefore, if it’s used a single culvert, then a large diameter culvert is required if the width of the water channel becomes greater than multiple pipe culvert is going to use in that place. The multiple pipe culvert i
reinforced concrete single ,twin and triple box culverts. A cast-in-place or precast box culvert must be designed structurally based on live load and the height of fill above the culvert. For standard cast-in-place single box culvert plans, the height of fill can range from zero, in whi
Concrete Box Culvert and Corrugated Metal Pipe Culvert Program (Region 2 Bundle) Colorado is one of the fastest growing states in the country, and with that growth comes significant strain on aging transportation systems that has significant and tangible consequences in the form of growing safety and mobility problems. The rural highways which
Twin Plate 250mm Organic Twin Plate 270mm Organic Twin Plate Single Twin (Rigid) Twin (Sprung) Triple Single Twin Rigid Twin Sprung Ceramic Carbon Blade Twin Plate Twin PLate Xhd Acura RSX K20 KHN18523-2E KHN18523-2B KHN20523-1E Audi S3 2.0L (Eng code. BHZ, BZC, CDLC) (
An existing SRH-2D model will be used to facilitate the setup for this tutorial. SRH-2D provides two different ways to define a culvert. The recommended method to simulate a culvert in SRH-2D is to couple the FHWA HY-8 culvert model with SRH-2D. This tutorial will demonstrate this. The second approach for simulation of a culvert involves
1. Single W-beam guardrail with one short post midspan over culvert, 2. Nested W-beam guardrail with one short post midspan over culvert, 3. Single W-beam guardrail with Jong span across culvert, and 4. Nested W-beam guardrail with long span across culvert. The culvert was assumed to have a minimum soil cover of 18 in. (45.7 cm).
Box 1 1865-1896 Box 14 1931-1932 Box 27 1949 Box 40 1957-1958 Box 53 1965-1966 Box 2 1892-1903 Box 14 1932-1934 Box 28 1950 Box 41 1959 Box 54 1966-1967 Box 3 1903-1907 Box 16 1934-1936 Box 29 1950-1951 Box 42 1958-1959 Box 55 1967 Box 3 1907-1911 Box 17 1936-1938 Box 30 1951-1952 Box 43 1959 Box 56 1967-1968 Box 5 1911-
The study reveals that the cost of box culvert reduces if the optimum thicknesses which are presented in this study are considered. Keywords: Box culvert, Single cell, multiple cells, Aspect ratio, Stiffness method -----***-----1. INTRODUCTION A basic assumption in analysis of the box culvert is the
