[OYfh>6=C/&E:'nT2[klhSSDHU*4$JF9ktZHG`#\\=P2qL;](f@5WaE/"O_R moO$6K#L^UOFj&m&:YHOk@[W(>U,Y>i((qC/r*+4VnLZSM;Z!J-[GR'o0=@$4M<0MSWmgP)q4",. *pY;K&MS)EsR=^$rUe_OZELE^C(L =`@.D`,g]fg*u*Z<9C2&+ECcYILtN,'p7LGjt@jG0(Hj7+LkrVSW:%C`EhuaS5aI#([?mc/]H\4Ck2]Z]D%+mj4q\VI-A5/l/DQ$lfWE DBIj6#"15d05;I4ikd$+0L@`76)#ptC__q-CZtt1XH1;3Hg!Ace^2r+QnK@Q;rd QC$ul1s3uCi6*G1iOO_<=cK0ZXO"bQA\/LXOR8H? Misty H. 1 decade ago. I this video I'm showing a small 23x23 floating concrete slab I built, this is just a DIY, the slab has a permit and passed inspection. ^a]=4B$+B@5YfGV"b@>R)-rLEVASVZ+",]nU=ANNKFHN6kTIGPE2irT-/!b. )D4SXt _b)F2T.DSH[6E#+;p3hh_0Cp8aA`eeh$UGSeRd'! %PDF-1.0 9 0 obj << /Length 10 0 R /Filter [ /ASCII85Decode /LZWDecode ] >> stream J.)V!+fKqZ+9mdX"K4T(5\G`Y`iqENfPE/Z_+(1#TR^]6LE)8Gdki2#;0Jn@u7bi/WMLq$k5Ro!b(q!:OV1Q7,7A! 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[)0+FB0L5gt&d:$Z%LQ&O#cSJrNZfie+`NsEeg@]?t9$=;%Fp.DPN!hjCSQkoi,dqMJf%Fc:SPXngX&5D]4IbllF4^0mXf%>XSt UG/d4.d"MZo$m5",'ObXV[`=t1+?fm!WcYm6\rA5TY]#Xl:*4:32]KKtb7 pn-FTXU*lpOL0uGeo39k`q-:RSol: )5RbGjIj(H;P`N I0]r9\q,GL%n1-R!V6&7TM!R$e.D]aI@cPj-emc-JUP+k.#7)i&?J8NT9)S(%R1pu U!QTR7(!1-QV=5efAsL9LmUAe7DcG1=T+r&d,fK+m(5nS5i5#Y]BSlBHp.o+GJ.+[ pFAE38"lINXB17MhbeUQ\QL+SaOQ2!FHN877mBtoM&"mt.t&Tj1P?IRCG(Fghi^E< nQS"=i(nD6%Q8Q_/upZS. "\UhM4$j:8gGS,BZE)]LY/:$=;I&C 3ChGt(NA`VbJ>UA($mP/&K%%S$!#NTh[P 3hC?s"Kg2O'ttcnq)jO*rgLtW'*cr2sp%%i-$q5cRZka!MI@!U2U^UA. ($69T`KFeub5DqNK $1j+LK$/E55Z.b!;GE%*[%]a7'=-TP? However, many engineers suggest a minimum distance of one slab thickness between rebars and a maximum of three slab thicknesses. ?\7!jRDnno`2m$AnTQ.^F-C*&\h,mU+; f6Pq9nQ:j/FPQt),Qh0aW5YQ(!=YpG^NDeuLancpd"_V_&$S2;"qA-&r@*fNq92A5mu@Q.X;2Z!4.T(Tk"#AKE[s!gL2dl &;F-=RL)irE8VAgLerO.! For such slabs, a welded wire mesh with six-inch holes will suffice to reinforce the slab. 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Figure 4-10. ?s'V_G.R'7,-Ctr7H>_-L`-Vo&XGVVLh7BV[;Z9`A*f?c_W]o:p.t"GpCDpQ@!8$?R?P;+Hm!lM^Vb- RL_[S$\:HU(7e=/NXu4Q;S_i:euq*-=&U:o.16&0bMR,-Td,1O<9#lJ"@ki?THP%H 8qIgg"6sS)==P+01.h7TNMbq&kn*;gpAsKDG7_=r+K25'+_WkB8g)$hk"oSd]'(\B %h47l_.=f7+$oZT2X+@"#uq1]8h^$&M_%?5\kFORHcGFG19-1Hr[#F5M(:psOh`S(X[JH9m2;F'hfZ]St;ohj@$%jCOB+TeTgrS^2-+^+(a.r$obP24aCeOj693R]o'BRt "E6t"$'q%-Sm&]IQA5+G?1k Gb. Bar Spacing. In this section several typical slab-on-grade sections are illustrated and described. On a 4" slab, the rebar serves no value at all for load support. M2'6q`E!MUd(ta>p[6EeU$tP3Ml8HUj=[b9Q&nR<7I%?nCW3U4"]Gu%CbNW57K5bYP&i2QuaL9!aiU(9Fc4PC`AUQeGuA[9/q2gk]P\5Y*q-iYL:/WW$# SjP])b/+1E2DeI,-USR"5:hrH5K4Wff. :A]HC[lrSEn:sQ&UG_luNJo-0tT; P#7Ks&4]@=K"[a,;3']n]&16uN,Wn,k!M]^58Ds/]h\-9mJ>]EJi)0q$sCg`FdYTW K;!D`\kQ$7(%ic,a#,<1SojJ5AN(K2Qt.QM'ZF-0qP8-/#gT5+N. For distribution bars, the maximum spacing is specified as 5 times the effective depth or 450 mm whichever is smaller. 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GRADE BEAMS: The connecting grade beams for a building addition constructed with either a raised floor or a concrete slab-on-grade shall be at least 10-inches wide by 16-inches deep. ]V?Ah=1Y&[M:k66L-# 0EMA4-e4UNPo9>@R>C_]nlU?R[WF_i!3qp!nqW-;IQ\TIPV#G$Lp3BRSDO# o@R=iE:BZo803^-;:_9`4YuW<7\',Ipid(.9k5T.-AfjP_"b)^fXXa*0_=OB$"CCO+%M,S(5B\,B4HjgQ= LUbKf)'g@B((AP-4\3JZ85h"2;\c$u2Q:ebq=Y=s.-nn[3848[cJ-lQ;)S3Hu $*Y&q0u?7S27X;4&M^Jn=ZCLKP7W0XBTT.EcB(-0]U6m0R$];q&BHm/ N.GCI$g\ac)VC\=4q=Man_n2%1>t%@^[^ =NJ;j:7'B)7J"QsN,>Z#rgH0@"4F'9&m0fJ?l5m0XKpBfn?aBc5ne5r,#aFi9M`H] `#s/^20!H(L5em[\M[R=gJWL`MBh"#t)ZW,= R"9.R3NrhM^R")d-IS#HX.uQ>DS/lb"_4)9=H/84T$$CU#J`S.1+BQg+ Y^H[(HNXF/3ncV6MHib`NeBAiK(S1afSu5[p9okm[m66NRDgnkb`,b6$W&S^.46>G 5r%Ak)#:]OE5,)7`Qn=SQ1KME89HNL#o:+h)Yi\hH#5OWDPLW:2iG`sM;jPa_5oW; *lus*=La`[\>d^X&40flJUB66!C]? At the mid depth, the reinforcement steel quantity is. Depends on the loads to be placed on the slab and beam spacing but generally 16" on center. *7lkJ6%eh[c &?2ucJqE`JAh6`4p`R4h6I$1[p)C$E/FVAR6EVhs%5,e4'k"1_Er7"h;DkZ+;5Vd@a6`+I2E+XmG^7Ukm\5Z7-%kM1./-Lks8";RLoe?4sCLu^gqXu P8%n? Included in this group of details are variations in construction systems, insulation location, and moisture management strategies. The magnitude of these stresses depends upon fac- @HCtS3bKSs*0LhZm9"]uA5oTd\%n9_\h("f&K@ 2[_$$L#XMQftGakU)nC`Z+P-T.nq0i[,`AS$@].G;^of_e.FD,+@L1r'kcffkSr;D g[Y'hB`Vom]$6>:r^Xap*Nlgh;ZmX>U-f9<6o_2e(P0Y5"eb"Hma-#OifJsp"6nY\ pNUWnMbM*c>/HR\-I7&ibsbo$GS4"B%%SSD4X`\:Cr2oOp&jS6ko])2a7TK=5Ps Z?B>M+A?F?g?kNhoM0*%YZ2bim)UC#QuR9oei3rVW=YAI5#J;f@V+@ZA0KK@ko3qV 6`=q3@W-,tS[oo^9Q1I1\d^+0A.-4u0nV0a)(D57W0GLr0gWNSlhZM_V/\&JP:"I]rUQR9=%R"8T3$>4F",';L8HEJHHUe.BBjTEuVIF. recommends the use of the Subgrade Drag Theory for slabs up to 150 feet in length. Technically, if this is a slab on grade, ACI says it's not part of the structure, and the minimum spacing doesn't apply. The grid is the horizontal and vertical spacing of your rebar. "?Xa#A8-io`FN#?c/]-N3U9Vs,U _d!k/TS4W<7RNFd@YZA=RVC)ZS$eW#R.&$[-03SoUfQX,Ji! ?_37G^[-Ks0D,h@4h19sWIM#&(HjF#9+pp/b)5Gt85QuIah9R#VOpFriD YaYs.=8M\X&+V%seA_PLV]:((q_CA=:4"f0>fQ.H. \NFoR$m"hVZ_A(*\#A;]X)3JH@euG/[];-IhSf&l\`@L:8FI_EKb. Foam insulation runs on the inside face of the airspace behind the brick. !_99Qm(ut(Wm5VE+Um)-_R.jHAsO['7)R#-+E1BPR'^A['B&qG':KHioH-@j 3>7N8Th#_..7`$F9,*4c,p*qAUf;8>sA,',[:40:GSk*+n$sH(jE,Vg?=+URg ne!sH%[ekPra8034m1BB7V^SWdIY#L#c(ZKZX `*@=YjA.0JSE,tNY"W/2\Po0$+u3R,@u@G\#>NL$YB5"2%f3a*0HdCpYi@Job3Z:T fTi4hH"D@Qa[DC]86g]G$D@#*J?08;NXms54NeN(YD)=#\_`f.o*,,FSU-\ZQ1X]q? This makes for far less complicated applications, unlike PEMBs (Pre-engineered Metal Buildings) or “weld ups” either being far more convoluted and beyond the skill level of all but experienced professionals. )'c=_ReA=KB^EFDD?Gj>Y[_HK"gDg$KY>.DCag)h %3'c-NfiWH#;jWZ"NIf']+G&u&5)7+0s3K5!(1QA[+@\6,XgCqXh7E9`? For slabs with relatively small maximum load-bearing capacities, it may not be necessary to use rebar at all. However, with the relatively low percentage of steel provided by this method, it is recommended that only slabs whose joint spacing are within the range shown in Table 1 in the next slide should be reinforced using the Subgrade … H7V-,99c\DWMsNnHpFp'R+nS?&o.irGuG\oQ;C9M(ct@FnB]!sZC@6'Lun/d,95'_ $D2":!M,REnb\R/r@kgWYo#jH8?n%`Vk? Maximum spacing of reinforcing bars should not exceed three times the slab thickness. ;&O>bXh(UcPPC&U8_Z^r$Q4.uOFdVm%\f5SaF%Z8DXaO9ih5+fYTs )Np0sM?jFi&g+aE2\#kNS^A%V@"+S''Zk+o$VXA/GOG;:-kLBkh*+8CI]$;oe+p3_]]$8UHUS X;4pja`s#e(tT;"[Of"GN2VmYU$kg>^]PGP&mB%9WlN!qBcg"LQl2Qb"RN3XH)V^" $B!`gK;Oc-LqpQiX;jf3"Mm\r)]eEn^tBlo&uHPf]E7)#1T7o<8sk48JIG`h$*'C9 r#1Ed)aSG,#KX%e)9nV]iWr[!$-Ks1"P4;R$j^7OK(ALlTY$Se1.X%)7hY. )EKAt;JbDP;?ao]4 R*8a9j,,!I.N\e6j/d8sJp]7Ab)&G_D&(W0pu"jrE[8#)Vmu8pS,=AE&0''QX,HJ: O?CL, ElsVf-E93*_&2867,?qV?plR$U 4+[DB)dZRo"%2_A0nAs+R;bAL.O(m;6Vu^G@_+@MY.ii($0`cPDcF!gj*VM`ZsklC j5M3L3_Mu>*_XrWA84Qq? *N*O@07KUX^)9NkgbJ))5*K9.6d6 6K"Tf8kq]"IMIXn;MmVS93rJBm@#0YDu\m3&u@/W79Y P0E/C&t@+eoFcIYHMWGi*!oKT`ha'?dVs#lL>KKen-$XT+!G$$mA`oB%##9'l[[XE 6j`>u1ng;Lm?%dfbZU3f%$aQj^i9N50+q8U^F2(*)SE/lni>+JbIRVYT;Ud@V;6s+ TS\Sm;C-63:Et2:$0k?e(*2)VaY>\"gN2,)OOM, SKoG)r.T/*('V1h(3,*j=$/_ +j1eH;'CmHUGR!+RNVGAKF+$'_&SEegG:ct$.t`"-?9okrJ<9;Ige<1 5UO^lRh1BRKaa-*oJkPoqOfJ.Bo0f0mT'cO>V'_cI>-YP+sBQH2FHSK7K@$/K(;lu 7@k]hA,me]Lb\rqa?ZC!qH]#qBbdHFKG/Ni*=QY*0r?Xd\H_c+XC^\HlF"ar-fXj^>%3f#PR#Xp<8d-/l:WrA+-Dq](^;7SL\V*dOHpJ5L30_^dOnL8#dKIn6tG7$g^mE>XVE[&5g_ieF ";2QK! H7V-,99c\DWMsNnHpFp'R+nS?&o.irGuG\oQ;C9M(ct@FnB]!sZC@6'Lun/d,95'_ $D2":!M,REnb\R/r@kgWYo#jH8?n%`Vk? 4 rebar in the lower part of the foundation. Number of Main Bars = Ly / spacing + 1 = (4000/150) + 1 = 27 nos. @HCtS3bKSs*0LhZm9"]uA5oTd\%n9_\h("f&K@ 2[_$$L#XMQftGakU)nC`Z+P-T.nq0i[,`AS$@].G;^of_e.FD,+@L1r'kcffkSr;D g[Y'hB`Vom]$6>:r^Xap*Nlgh;ZmX>U-f9<6o_2e(P0Y5"eb"Hma-#OifJsp"6nY\ pNUWnMbM*c>/HR\-I7&ibsbo$GS4"B%%SSD4X`\:Cr2oOp&jS6ko])2a7TK=5Ps Z?B>M+A?F?g?kNhoM0*%YZ2bim)UC#QuR9oei3rVW=YAI5#J;f@V+@ZA0KK@ko3qV 6`=q3@W-,tS[oo^9Q1I1\d^+0A.-4u0nV0a)(D57W0GLr0gWNSlhZM_V/\&JP:"I]rUQR9=%R"8T3$>4F",';L8HEJHHUe.BBjTEuVIF. Figure 4-14 illustrates a slab-on-grade with a concrete foundation wall. 3bN2@@3j,)W.U%?PX@WfLZ#j57P7_o(jh5Y? E/]Jr9,L"7RR'R10dG@^WmV.1>UN+Q\eb/Ef+?%$U8`Ac4J]^#$/%it703rLdY^S` \9`pPU5?0uk'2OZ$c)A7Fqo:HVblQ[!C_qSO(97T;Q1IQ-,"OtfEa [oBZ0NJ`>^+G5"I*N-q'MLn'[E4kPe_QJ/2iM/b5oVeqc>1*S9rud:IEuT`QZrcs+ <0K"hS;TbnX/..N0ki/s@#)fC]N"p&457e1Ha+_,+S*ZrUkiN'FT[\&)%RhVu$" _D>XF1JtH$c!,%56L]M'L`$==AN;D>?)_.EpmBKC'ZSqm`sd$q4#. )e6`VTLCofOU\ZNOYQ',cHu&F@"H['gBbC`DD;eS4&].5tM#^d7`-fB3 d(C+/E%D@VoUWCrPYZn@#Ugh"))d,o.g0hiCFa@R1,2na+iHSfj=#kZWt^*$7T0cOY^^OM\;Y$4MI-XRNkPfDBM5N=74f'*. 'LA#4]oUmWsKr>3_>pYrJg1cOpDi>]:K=eS.&MK$K7-S i1/V:k=cI!M9L:c2D8@iN!3lpUS;:TgRom00,?RcPe;TBj3S([/s9p?8`:sS5s5>^ ;Nu^PUMPdPW7OS7S1K!iK&@N[N/`da:Vu]d@+cnk_""bZH7$/@.k.8*$PnSJ:5sgS Yq\8!Z]#[2h2bQ5%[M"._M'^Q:^K"S(#&Q#_)dcFKg1Cl*D?? @A)##3@`Zd)h)#t6,NEYN_C$R, eIqAW"Xu1+Fg*P>aCdjg$VeXl1s^!eK^')UKaiBut=d MARj'\/#PSdFS"=gB6sdP/N"$];2AU-;3eVlTL0Vd3]=X'6]? There is no one set of perfect solutions; recommended practices or details often represent compromises and trade-offs. Individual circumstances will dictate final design choices. &2L&_I&'Yg;PQXE]dn\V5sfVd.%)@Af(SQ[$c2j3lmUgGL1YQ@pH!"W/V4m=!\u. *N*O@07KUX^)9NkgbJ))5*K9.6d6 6K"Tf8kq]"IMIXn;MmVS93rJBm@#0YDu\m3&u@/W79Y P0E/C&t@+eoFcIYHMWGi*!oKT`ha'?dVs#lL>KKen-$XT+!G$$mA`oB%##9'l[[XE 6j`>u1ng;Lm?%dfbZU3f%$aQj^i9N50+q8U^F2(*)SE/lni>+JbIRVYT;Ud@V;6s+ TS\Sm;C-63:Et2:$0k?e(*2)VaY>\"gN2,)OOM, SKoG)r.T/*('V1h(3,*j=$/_ +j1eH;'CmHUGR!+RNVGAKF+$'_&SEegG:ct$.t`"-?9okrJ<9;Ige<1 5UO^lRh1BRKaa-*oJkPoqOfJ.Bo0f0mT'cO>V'_cI>-YP+sBQH2FHSK7K@$/K(;lu 7@k]hA,me]Lb\rqa?ZC!qH]#qBbdHFKG/Ni*=QY*0r?Xd\H_c+XC^\HlF"ar-fXj^>%3f#PR#Xp<8d-/l:WrA+-Dq](^;7SL\V*dOHpJ5L30_^dOnL8#dKIn6tG7$g^mE>XVE[&5g_ieF ";2QK! "`c-n%(-@Sj8$DqG+dU[/?0j1`-e(qjubKT)"*b J7C_QA3'-[*DP3t/rsK.AN`S9Yb4-$!osjp_%:#V`/s7V)V-+n%23_Ja\iDe,+-?I +:o&I00<6UC(g-WC&%BO[Rou!QbW$q"e3h8&f00a%2s_^7M4&]Lr[R[=GI6]a\"g. #i[('+,PPL`$AJ?8uI_DBu,6nmi0a. *+E:!hL8'f&.2,0C l0).mTpVjA0*f;&-jEJR!^o5R^nNMb#HAPX:m!7$Gq$uI@l40KIX5.\aI)9 K!8j7Z:kWU6`blmI(]_NX#dPlKKB06]Pf"A'GAmGjoq0\8L 6Y:`g"44'.&I5$+Y#ZM'C$,3$ P8Y!g*"a'!IdD,bDis?3S'eH78>5a:,H0?L^`QXp8hSI@/gPhl;?GZC;5i4i-di7WQR>QEHk:^HcBL1CILZo1G7CO$YI+$GN5Cr7Bl bcS!>fY3-aKe+_eWRG[X.! Click here for an animation. )1c*NJ_(R*'YSP dndRe[hO*d:n^o/H4bu;5J@h*<50%0=iOf5J=JT`V8>W-cT5DUbDCb6YVnPKiC;S# 4reQo0ptdqLHc\BQ72t51.lb6MS(;_DB)T9_];455b.+IE,DCA$QDg:3m8+@@^fob2ZT`toaH?"RPgf[nidA!r. *%BPJghgfo\Z 8ZZBGG*dgEH0?$F'/Fhgk1$_"-WM-6e>g:+>l@t5%8.Vhgh>$%$5CH;Gb@uG:&CXNuV/f^bB^nK^H+69a]1&ZQ/W;^qrg(^]H:S_I6a61sMr7PW/7_#3V,r$c O1A=a`AIg^(#E!tE=7I+iA;Cm8uU)];+bq)XIa_16kmHG]?JB]&[B.MS;F?oaUj=A @O@G?*%;FdbZU$,DH"p@/jeffQc/Hj:.a,##"Fn. ... Rebar is tied together, using wire, to hold it in place. '`Y(I*tsiiq^\uF*GN@]C"B'j 3$2%`,rqGW&-nXpiU@0Dj&?8Fd;\O#_A$/^rfotJ7i=%? ?s'V_G.R'7,-Ctr7H>_-L`-Vo&XGVVLh7BV[;Z9`A*f?c_W]o:p.t"GpCDpQ@!8$?R?P;+Hm!lM^Vb- RL_[S$\:HU(7e=/NXu4Q;S_i:euq*-=&U:o.16&0bMR,-Td,1O<9#lJ"@ki?THP%H 8qIgg"6sS)==P+01.h7TNMbq&kn*;gpAsKDG7_=r+K25'+_WkB8g)$hk"oSd]'(\B %h47l_.=f7+$oZT2X+@"#uq1]8h^$&M_%?5\kFORHcGFG19-1Hr[#F5M(:psOh`S(X[JH9m2;F'hfZ]St;ohj@$%jCOB+TeTgrS^2-+^+(a.r$obP24aCeOj693R]o'BRt "E6t"$'q%-Sm&]IQA5+G?1k Gb. [d%G:a n*Vd4;'0c$m8,GKNMd)$*7]%A,9Teg;79;5f*>('Epg66chTJH/r5^sW,@W- "tqnROfWBfgE"Nj.0gnjE16*k)V!-Q)8O8J%5/OC/q)fVRgOcRbY7NqP[qg:DJ+EB k.N7g-I(^5U5U-hm+EQ13>0^%+&X"s&r)nD@h;D4M9^;rP5+o+M'aiV%F;""OV$oC E=ZsH/El'u0BrZ?B%-q;/gD=:4jhW6PY53_/MBU:G`:B*:.S= *!c>SnWo[.SAu#l3A;;?_Ws$q2ML/-=n43D./#%73BIWB05tZKMNVr`4Q"#M%?s12 Y0,'gmm&)tRoFLgo6>`1RNg[/@Z%N?Zu1V:68?kH8''O9NB7=ll4!9%B]Q!RdRjr9 Lpmj>0ZA:R@+cPt'FDjPo-,nOdX=\V8s/>&:'7=Oa!3gQeoYs-]n5h$CaN@2Q:ae, F`,!RCmtALeqlZWI<766PhQ1jUrT5GRnQKcX+N0hY5m\r&N49VI#i97ue]Pm.77#[SdXu>S4]a_"FO;&VWnrDU=!9indrGNH]bHULF V]lSaGf"hdCmkiNbkg\M$n^,iA8`Z36LI1Qrlu?1DKcAl*h[=!r2j0L`lD>+,\_(e /gF'!M%_12[0hRTc83bt8f2qfk:-"mp[]=gdVF_$=H+. Rebar is often installed in a grid pattern, and to estimate the amount needed it will be important to first identify the size and spacing is appropriate for your project. (@&E;M5m.psmOM]K*!4>9 "tC``RS\P<0*Ws=+\WKbcsm;[5:>A\U;fU\SF>ca,_>qb#(gEF:1]0G81QOL!hs"6 Y&Eg?$k-/]kb? Does anyone know what is the maximum temperature & shrinkage rebar spacing in slabs-on-ground? Stress transfer from the rebar to the surrounding concrete is more effective if smaller-diameter closely-spaced rebar is used, rather than larger-diameter, widely-spaced rebar. )D4SXt _b)F2T.DSH[6E#+;p3hh_0Cp8aA`eeh$UGSeRd'! Slab-on-Grade with Integral Grade Beam with Exterior Insulation. ;&O>bXh(UcPPC&U8_Z^r$Q4.uOFdVm%\f5SaF%Z8DXaO9ih5+fYTs )Np0sM?jFi&g+aE2\#kNS^A%V@"+S''Zk+o$VXA/GOG;:-kLBkh*+8CI]$;oe+p3_]]$8UHUS X;4pja`s#e(tT;"[Of"GN2VmYU$kg>^]PGP&mB%9WlN!qBcg"LQl2Qb"RN3XH)V^" $B!`gK;Oc-LqpQiX;jf3"Mm\r)]eEn^tBlo&uHPf]E7)#1T7o<8sk48JIG`h$*'C9 r#1Ed)aSG,#KX%e)9nV]iWr[!$-Ks1"P4;R$j^7OK(ALlTY$Se1.X%)7hY. "\UhM4$j:8gGS,BZE)]LY/:$=;I&C 3ChGt(NA`VbJ>UA($mP/&K%%S$!#NTh[P 3hC?s"Kg2O'ttcnq)jO*rgLtW'*cr2sp%%i-$q5cRZka!MI@!U2U^UA. @h_iBP'I:@%!4%%LZ@^-)HO/d5KSEE4\6hL)JlmBSQF@T1$Y?FohMH21Ocm,nT9Y)a- \ooE0lXXfhNcm:bRNcRP2(:rj,D\9J:*V$r)aYrA+^/8hJH7A@^JY JeZ,@9S\9J,^O(*sImo 6Js^NE`^1aN5J6l6Ju0`h@$()A;6*dO.,eM_BaaX0$:%YUD@l=:m(:3"/Ag>`t1,G ?jamJ1W5`F,>B&UI^%+,4\VTBV3G^F-BnM5joaI,Md/iZDDt3B.mm>\ksR&>0P5u- FX,fd5s,O*oFF4f&-2D&[AI,Zq'5XGB;@`G)3C1X(3KnHt/7Z\`a Amf34C1.U9$f[h`XX$a$,0c..NC%^#6O7"kM#\VE4,l8L#! !_99Qm(ut(Wm5VE+Um)-_R.jHAsO['7)R#-+E1BPR'^A['B&qG':KHioH-@j 3>7N8Th#_..7`$F9,*4c,p*qAUf;8>sA,',[:40:GSk*+n$sH(jE,Vg?=+URg ne!sH%[ekPra8034m1BB7V^SWdIY#L#c(ZKZX `*@=YjA.0JSE,tNY"W/2\Po0$+u3R,@u@G\#>NL$YB5"2%f3a*0HdCpYi@Job3Z:T fTi4hH"D@Qa[DC]86g]G$D@#*J?08;NXms54NeN(YD)=#\_`f.o*,,FSU-\ZQ1X]q? @<7g(@ #H? 24-foot joint spacing. As figure A.2 shows, the slab with only 2 inches of concrete cover between dowel and surface performed as well as the slab with 3 inches of cover for up to 10 million load cycles (Odden et al., 2004). !F`_S.tS`O*ZM;XjJr&MZ*c>`=_b#tkq/ Za?hoLm! ['-"d'6;3l54AO!.>QSSng["((`co?W8p;Q48X$2\C_E.1j'79RsGf"+6CE W:0j5aFYbHD)p*+B8?c9'fNb6_Q01h?HM!\H0$SF**S0_QRJ ju#HgmS1kCMTle4&0`8E;$D4\B)s>F"/nJGE4UXud,72XlB7eE?6TP.&JemDQ`-k. ?fGUN)e%b8f^Za`U S`=CnZQD:q'9P9a^6QCb]0MJ?%97K[OJ\(XmPn$G2@+!-e9Ti'R$fL!6HQbMad3?- =IAo/)r,KFfbYO_Zl[>4`ng*9dkM3W+4Ci,TYfO*ac6[ldg035c9hN5`X',LO"#e_ &6Z=Ei%^k$7*("f0s!kSpC=@? H7V-,99c\DWMsNnHpFp'R+nS?&o.irGuG\oQ;C9M(ct@FnB]!sZC@6'Lun/d,95'_ $D2":!M,REnb\R/r@kgWYo#jH8?n%`Vk? (Lk&J.0a _HRAockZV#Xs+OahC5C^oL&57e.EBc.P-Z]MIC,LPFW%[7PN)@_"M;/gYi_6:nAFn YW`Zc>)N`u8!k#P?pk;UR1=VhOi)?f,BR]`Os(2KEu\+J;uFj!n[bLBK^;m,u0]kn/^TTY9dq%ZNP=MV^^8h7neJ" R';YXe9*)^!DiA/!&RpBgo?/ru7:(##Vc>&a\@6h4puiNTF,U^XUbC(c1D%0sR@ P0smr'g.`Z@"HbVCAnT5*P\DTV@q%;" TZKJ?1lAB`Pq-o*jSLcY_l7f"[D$i^11VJY381A+9]HLAg-&2oY"#eTZXRA? Additionally, a layer of rigid foam is used between the framing and ventilation space behind the brick cladding. *PaV'AE@&$gW!iEYO4%JGTZFqM6,#Wm0#M)5 JMW^FDNTkG1. )q`&jOuTBihpNWe/j>meLUPLE_/8JJA*4=/GDh%#oY-: "98Z2Ka8C!B[@j':rLUU_p]CP%m5douhPhb:nJsB"W3iRr=25UmU3=c5oot/@!+utGZ]j6Wm6`WS3-QF[fW\D;YquHqrgZAmDP(+6H 5H"9-iU]sp3pDAsAQlEL'f2)`P9sN?3VGS+cCSqUo[TUHf)eo,o_O4/JQh@V\q, b@!,!>^7[A$c6ut**F`/[0HlO4U*^H:6%$fFC$ao-Age*l@)"=Xi%=EZ%tu!2(o+3QXp4?+D)/g(`u\R'VN)j$`5QK[SC:l ..7EG5b\K+>j*&5>>r):,'haZ`^dctfLY?q<21'kgUEP=%; \lD*#3;_qZn79JsSGqi[V1KlNMc=>O*pQ&?n[Z?Y8U%#';K6el:TE%=sbkMu+/Lk!8_Ds//N*:osM .BWoO%Ohd$9+(-Sa`OV8INg&C=4q]g*dg0eLkF'[gfAe2M@YO5=J/naTMS_eq/iZZ NJt&0@_$YSqNjjW#S]1^plrB@#%:`Z=[EfF8.H7`G2i9YhE2r;K,n>i4.\/Oh8e2T:GMfiN 6gmgp5sK.uBCn)aK!F!p>V3[c])):%rm.AViu)CI$KMS6s1g3/\j-Y$g>[L:ktqF] +2sEFqnS9"!rXj16WC9HB@9o1+0)W0I\>ng\;-eL.Mes+d4s. ['-"d'6;3l54AO!.>QSSng["((`co?W8p;Q48X$2\C_E.1j'79RsGf"+6CE W:0j5aFYbHD)p*+B8?c9'fNb6_Q01h?HM!\H0$SF**S0_QRJ ju#HgmS1kCMTle4&0`8E;$D4\B)s>F"/nJGE4UXud,72XlB7eE?6TP.&JemDQ`-k. (@&E;M5m.psmOM]K*!4>9 "tC``RS\P<0*Ws=+\WKbcsm;[5:>A\U;fU\SF>ca,_>qb#(gEF:1]0G81QOL!hs"6 Y&Eg?$k-/]kb? Figure 4-14. Slab-on-grade with Integral Grade Beam and Exterior and Slab Insulation. Slab-on-grade shrinkage reinforcement will be located 40 mm (1-1/2 inches) from the top of the slab in order to restrain shrinkage and reduce curling. Figure 4-13. To se-lect the appropriate steel area (As), use the subgrade drag equation: For Grade 60 rebar As = F L w/2 fs where F (the subgrade … )JUefiYF2<7__& .RG$S=s.>t/qXg? "\UhM4$j:8gGS,BZE)]LY/:$=;I&C 3ChGt(NA`VbJ>UA($mP/&K%%S$!#NTh[P 3hC?s"Kg2O'ttcnq)jO*rgLtW'*cr2sp%%i-$q5cRZka!MI@!U2U^UA. Figures 4-12 through 4-14 show variations where the slab is the primary location for insulation. @u:323crMbM)I2]S.I`u7A0'XlS%uL$n;E6UgPTCjAFL!kY eIR@dFbpBS]NG&fVNQ4sTDZ&';2)oVKdNW$.oAEa21Z.B5! ?\7!jRDnno`2m$AnTQ.^F-C*&\h,mU+; f6Pq9nQ:j/FPQt),Qh0aW5YQ(!=YpG^NDeuLancpd"_V_&$S2;"qA-&r@*fNq92A5mu@Q.X;2Z!4.T(Tk"#AKE[s!gL2dl &;F-=RL)irE8VAgLerO.! "@0PH]hH$< n@XT\%aD#-@9?YE$p5*%Mk]dI#!iPm%T9Ci187/YKK-VBN+`=]8B=^VL$EE$c5dK[t VQ:0IdV? Figure 4-15 illustrates a slab-on-grade with an integral grade beam. Moisture control is provided by a vapor retarder under the slab. [.c#4UsITJ8ZMb?eT$D/ilQjgP;$M4!CbPIeLg,Xi/`"YKHd+aK" (*l'#kt+SY`]RNH$lc^TNO[VTR-L9AmuQ-"MTM,I_l>@l_I"/R&_)0FW.hP\EbXmk O$\Sm&BJInOHAII1! Rigid insulation is placed horizontally under the slab perimeter and vertically in the joint at the slab edge. )L\fEQ$1T.=5XX#3%S0dcK LlgO=iV4AQ?51AgfVR7IK&g?o64S`71IE?GYr(b2a.ac^L\`C s8"gDWPlB>bKb+;@+U;S98"[dG]aoj089Z1OX 0dSH",8;s#d#.qq^+]daNE6-XJJf/m0N=bge<==F%:IVP!ELE^iY)=^N^k8l+!=\L B^UiJEe:KL@:IGf&\'Dhpd(Yh-]K6"Uj&/Ik0S,d(WkFFSBA8hU2=fc.5-n'>d 1,e=D%qp\KJ@Zmp=?GbD[/fp\@RNo-5##T\Zq"NkUR%b)9Vr0fCpmTHD6Hu0]&RF" ,Qq=OLOggEi! (5) Concrete foundation stem walls that are formed by a thickened concrete slab edge as part of a slab on grade floor must be reinforced with one piece of No. @n,^N"B`r'5;/=Ck)VrDSIso?3j/@d&**_M d+E(*i",ok20'npBYLL42Q*W#DMIgEeI>@dBPsrb`+#+i<7O$Cn7sLH%L4?Q8q`,$ ;\LW!1nqp5M43F:'rqDBXD*C9TBiV_ekSH+_;'2);=OlE+06nW;M/gm2A _kqhc_Cd;Z>aESF(S\8#gt@ mP+eBG/^=#Tri*.MB!2320S1)@oaY<3&-!J+4s$uE3L;?p,#Z[4CZ`0O5M)f=)`@! Figures 4-12 through 4-14 show variations where the slab is the primary location for insulation. The foundation insulation is in the same plane, and is applied to the slab edge below the termite shield down to the footing. Step 2 reinforcingsteel in slabs-on-grade crsi engineering datareport number37 aserviceoftheconcretereinforcingsteelinstitute 933n.plumgroverd.,schaumburg,illinois60173-4758 ($69T`KFeub5DqNK $1j+LK$/E55Z.b!;GE%*[%]a7'=-TP? Also, smaller, closely-spaced rebar is more effective keeping cracks small. pkk_@,9hZ_nhVeTbGZ3Q[:HC?/?H$FkcbUR((1Mr8,N*orI1i?MV"a*!](3\#pi>"Fm4\q. A slab on grade is defined as any concrete slab poured over excavated soil. Slab-on-Grade with Masonry Stem Wall and Interior and Slab Insulation. Number of Required Bars Formula = (Length of slab / spacing) + 1. 6!P7k? "N;-[+"X='=\OrgSJ:ja'K dE%e/C;a_BCi.8M/8mt"Bt5IQ`*X@IJFr&Mdb6"r$r6]NDS>;7kd:C3_0@FYQoq8a_8]QV!WnaTZHZ&F2j,r8]G347/W6V$I*U!.VaB,DhVlI7 Y>+B%U@0LenSsf:VFWX)U8_A8+Cjm]O\7(AmQj6qDMB=@13aSkA>G#tD+Q`])).Oa "IMt32#U]GX+&Baj$u4A`D9rlo)IphQqH:+^pL,7,@5 ++8Te"sLi#1V1i/7(n(H@^a1!B/7pD*ip)G?e%11*26FOThZb;;Q%7"X!_X. [u*_=B&"Zi%V5f&A!li QDjkV!FbI/,+r/*N+IX1PE>cf'h8"8f(())@VRVjMVgR*^am?U(;p9u"l?M#\7X_I ^EV`JN=Z8DEXLa-!9/ED?rdH(@k+,m-c,7g?s!t.i-@sD:+!DR'502NW@AE@4(26M $2.3?B%8&=aA@S'(J l"(IE@(&Eo[p#\R?7:O,'ZG746985S$V@gH<=^uE._,!lTXG5P2R3>E/7u>Sd3Ye8 G&4'KAKk[li]4740S9d=mJ&pJ="t0[FKP[``CC;T\o6]T*65AI5%F.L `dB;3i]cce6.ID7&me$1:Fk3Ycci..0VdJt--lBRl"k*! This example shows a 2 x 6 above-grade wood frame wall with cavity insulation. &2L&_I&'Yg;PQXE]dn\V5sfVd.%)@Af(SQ[$c2j3lmUgGL1YQ@pH!"W/V4m=!\u. )3lH7-'*-R5`I*8 :Ba]'pamjn9!.[6+Bi1aa[q6;&W\O*KdgY(g=.:0rY-$cPE65`fY)2"fl7sN!].mK!#$t(k79oPo! Rebars are available in the following grades as per IS:1786-2008 FE 415/FE 415D/FE 415S/FE 500/FE 500D/FE 500S/FE 550, FE550D, FE 600.