1、UDC p GB/T 51025-2016 Mi jc oo ffl 1 I:Li!00 7G rji Jt I ttmm:Technical code for jointless construction of super-large area slabs-on-ground 2016-06-20 fj 2017-02-01 r:F A o 00 ii:m o iJiX it i$r:tiA.oooo;*oo fR tm t-t!oo xgJtnm:I tt*J m:Technical code for jointless construction of super-large area s
2、labs-on-ground GB/T 51025-2016.i:=tf!H1=9=11#Al%;ttf!l oottmfll3 J.t$1ltll$fl:9=11#A1%;ttf!l 001:Emftl3 J.t$:fiffr B 1,ij:Z o 1 7 1 Z jj 1 B 2016 t Jj!:m 11s2-5 ffm5$*oo*ffi r if!.!if:)Ggjf Jti!I tt;:JE rt183 01&:001tt i1E 7c oo fJl 1 :tfil oo 7C iii nm I:Ji*1.m;7J 00*;f)F i1L%7;GB/T51025-2016,20171
3、f:2J3 1 s,gAfo*m:fifi-MmOOttMWttW 1To ifd.A.:tt:;i;11 oo 1 m;i;11 M Jt t rm 2016 ff.6 FJ 20 B;J1UiHl:1%fl:lnX m i&l$(*-y fjJ 7E:1tt tffi fl,*ff r-fil*.IJl BJ filll _t,iff!J*1 m:0?fs:1m;!l:7t 7!irfll 3 1-ffl:BL tt:t:l*J :ffi,g,Jntl,:t:i!;fllf-f%,1Js:1;E,:fJ#,WC H,ffl!J*lilili,(Ill*,1%:11!.ffi 7C(I fl
4、(Im JKi:iPJtl o*m:rntti%fll:lnXmi&t$.rnmnm=m-J&l 0Att:t:l*JBJ-ofiMfi-.IJlJt i5l,if*nm-=mi&l&0 C:ll!.:!Jl:,timli*t91P -158%,mlWi,410004)0?fs:mlt1fir,1!1&,1jrAf!llfi1f A:.:tiliii lP.f.il:mnm=m-J&l&0*$:tiliii lP.f.il:t$Jti&tm&0 m:mim-tmitl:Ifi&:iltff0 i:1 fM IP:1nX 31 1 1tl i&l it 1iJf n r-nmImmnmitl:I
5、fi0 00Jtitl:Wlii&lit1i!f3t&0:ll!.t:&0 i*IfiJ!i&t.IKi:&0 J!I!:BJ!i&l&0!tlit1m*$:1*;-*IK Jtitl:i&l it 1 itA 1J r:f=t m 1i ftU 1 itE 1f&0 RJ q:t m:nftU*Ifi1f&0 RJ 1iiJJJ oo mi&.:m 1f&0 RJ 3:.A.:7GEJ3$mR;M lL1*587(*i.:!1:_,.rm*IXJIJ f,Jf 5-LE WI 5-LE-m:tlf*JJf*1t5.ITJ.5EJ_ Jibk*xiJ-Jctr.m11i 5FJ ff j tm
6、n:t S ij;j(Itu-*3:ifiW.A:3:5-LE;flf f!J7j(R;JWJ :fL _r 5$.;k 3:.IJ!m;5-LE:titft:.*2 1/,JJ!U c 1)2 7f(i-3-;fn:f-f%.(2)2.1;f:i-fr.(2)2.2%.(3)3 i!i!;zjs:.JJE.(6)4;fJ*!-,We tt,illtl 41-.&:!Efiltr c 1)4.1-Jl1JJl5E.(7)4.2 fJ-J.31:.(7)4.3 l!ic-&r1:it s)4.4 i!JtlbZ.1tu.(9)5 J)W;Ilif.1-11 l 6 tfilltixg.Ji)W;
7、I c 13 l 6.1-$1JJl5E.(13)6.2 t&.I :C 14)6.3*9$I C 14)6.4 iljfI C 15)7 JlW;I fJ:Jm JKl:iV!tl c 1 7 l ffl*A:7GJlW:Irliil.J3tfFJiHt:1ri*c 19)1)#*B:li!Jtl g.ii B:dlf C 25)ffl*c lliJtitfBJRE:l=HW:JJit c 26)7-js:.JriLJtJiPJi)l.(30)sl mt11;g*c 31)ffl:)Ci)l.(33)1 Contents 1 General provisions .1 2 Terms and
8、 symbols.2 2.1 Terms.2 2.2 Symbols 3 3 Basic requirements.6 4 Materials,mix proportioning,concrete production 5 and transportation.7 4.1 General requirements .7 4.2 Materials.7 4.3 4.4 Mix proportioning.Concrete production and transportation Construction preparation.8 9(11)6 Jointless construction .
9、C 13)6.1 6.2 General requirements(13)Formwork .(14)6.3 Reinforcement.(14)6.4 Concrete .(15)7 Construction site monitoring.(17)Appendix A Calculation of composite value of temperature reduction.C 19)Appendix B Control condition of crack.(25)Appendix C Calculation of distance of alternative bay and co
10、ncrete stress .(26)2 Explanation of wording in this code .(30)List of quoted standards (31)Addition:Explanation of provisions (33)3 1.o.1 71 r ilitJ m*iii fJH:ii!.iii*:.i.Uf,_m m:m*oo fJt r :t-1!?.00 7C!i:nm I,f iU *7t Jt!:,t*r.if JJI,Ji.ffl,ilitJ jE:zls:_mm:0 1.o.2:zis:_mm:J=llrxtm:wff,IM:fl*H*iJ,/
11、f m,/fmm*1JImm1Jm:koom:i!.OOI fiJlID:Io 1.o.3 m:koorM:i!.OOifix!i:JJID:Ilili:;jqif?Js:,mm:5,f;!,J 1ilZ;Jq if 00 OJMi:fl 3C t!F fi 1J jE o 1 2.1*if;super-large area slabs-on-ground JI11t:kr 700mm,fil:i211J-=f 40m,:lUHffH;Jr 1600m2,*tt*mEt9m.itLl5cF Et9r:i-f!.oo o 2.1.2:7Cg:iiI jointless construction:
12、ttM:kOOfJri:e:tm ooI q:i.11-J&flf:l,Fo*,ri:e:tmOOMi:kOOEt9-Ino alternative bay construction method*oom:tmoo-R*.lBJ!WiI.r2:ttmWHili:JJ x.7tri:er2:ctLl5c%Fo,:tmoo-*mtt.itmttFom ri:eLl5c,rlfilf!t.J1ZJJ Et9In 0 2.1.4 WfiitfEiJRE:distance of alternative bay WtitIq:i.tl%:tmOOEt9-KltltfrfiiJ Et9R o 2.1.5 L
13、l5c J1Zj shrinkage stress ri:eLl5c%5tUt0*Bt,ri:e l*JWFEt91ZJJ o 2.1.6 m.itJ1ZJJ thermal stress ri:e m.it%st U t0*at,ri:e l*J w F Et9 J1ZJJ o harmful crack 2.1.8 m-:im:tfRg:i transverse crack m-mMd#aOOEt999o 2 2.2 r4 2.2.1 Ylffi.lilM*-ttifi:a-1fU1.-Mt$;c-t!M t;Cx-51-t1:lR:fr1JJJ:C ill B m it!:ti!Fz!:
14、)El9?kf-5t%1Xltl;Eo-t!M5iV-tiil:;E(t)-t!MM:Jg t B11HiV-tiil:;E,Ct)-m i itJR.M:Jg t B1,t!iH-ti*;J,k Ct)-r!MM:Jg t s1ElJmfil:s.lid3tt!F-ttffi;m-=3Jk&b,mYlffi.:ff:ki1*!l&;Q-filtMtt7-t7k1t/,:i:;Qo-7j(Jj(1;.-il:;Q,-AA t BtBJfR7k1t;t-tl!MM;Tb-t!Mmitl:1*Im1Mi;Tb Ct)-M:Jg t B1,t!Mmit1:1*1J*Im1ffi.;Tbm(t),Td
15、mCt)-t!mitl:1*r:fll!HtLliiiirMiB1,1*_t,r*oo BJYlffi.;T max-y!jfjf;j;f*J*J 1JiiiiYJffi.;Tm Ct)-M:Jg t B1,t!Mmjf;j;f*J*J1Jiiii1ffi.;TCt)-M:Jg t B1,t!MBJ13Ylffi.fttil;Ty Ct)-M:Jg t B1,t!MLJXil:Ylffi.;TwCt)-M:Jg t B1,t!Mmjf;j;f*tiiBtJEYlffi.:m:JEYlffi.;t:.T1 Ct)-M:Jg t B1,t!Mmitl:1*11*Ylffi.;t:.T2 Ct)-M
16、:Jg t B1,t!Mmjj;Lf*iJirll*Ylffi.;3 t:,Tlmax(t)-M$t,5PJll:i:ruEf9fi:kll*Ylffi.;t:.T1;(t)-AA.11 t B;f,i itJRtM$t:tk:1*ll*Yli!lt:I:;t:.T2;Ct)-AA.11 t B;f,i it JRi*J,1M$t:tk:-i*ifYlffi.89:1:0 2.2.2:l:JLfiiJ:L-7G.1Uffi:I Et9W1t fEiJ NE;H-1M$t1*!11t,.11-i*iW!tl:Ji*Ylffi.tME!Hf,(J!1Jt.:t.;w-&il.:1J*1 M Et9 Jilt M;tJ if-I-ffl:I:o 2.2.3 itbt;lt:fill:HC r:,t)-1AA.11 r:B;f f1:.89HR:ElZJJ fil t B;f Et9 t5tk*;K-W*;k-m:1:miflk1t*;k1,kz-m1k,1i!m:tm:S:x11UEl9Jk1t*;M1,Mz,M13-tM41%1PJ#d4n(ijfiE*;R;Ct)-AA.11 t B;f