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1 UDC P GB Code for acceptance of constructional quality of concrete structures GB GBJ

2 [2002]63 ( ) ( [1998]244 ) GB GB GBJ ( ) ( [1998]244 ) GBJ GBJ GB ( code_ibs_cabr@263.net.cn) 1

3 1 1.O.1 1.O GB O.1 concrete structure cast-in-situ concrete structure 2.O.3 prefabricated concrete structure 2.O.4 defect 2.O.5 serious defect common defect 2.O.7 construction joint inspection of structural performance 2

4 O.4 3.O.5 1 1) 2) 3) 2 ( ) 3.O % A GB

5 m 1/10003/

6 m m (mm) , , ,O (mm) m 6 5m m

7 4.2.8 (mm) ,-10 O,-5 O,-5 +2,-5 +2,-3 () 0,-5 +2,-5 / / m / (mm) (m) ( 2 50 > > >

8 , GB 1499, 5.2.2,, ;

9 HPB o o HRB335 HRB o l o 135 o HPB235 4 HRB335 HRB400 RRB (mm) JGJ 107 8

10 JGJ JGJ 107 JGJ d(d ) 500mm m mm 1.3 l ( l ) l l (5.4.6)

11 3 50 B m l loomm mm 4 25mm loomm 50mm m , m

12 5.5.2 (mm) , ,O l , GB/T 5224, 11

13 t GB/T JG/T

14 l 2 1/5000 5mm lom 2mm mm m 12m mm h <h1500 h>1500 mm

15 GB , 1, 3,, 14

16 2,, mm l ( ) mm mm 3 20mm 50mm mm h h 15

17 N/mm mm l 6 28d GBJ d GBJ (mm) (mm) C JGJ GB 175 ( ) 16

18 , 200t 500t GB 8076 GB GB GB GB JGJ 53 JGJ /4 3/4 2 1/3 40mm JGJ JGJ

19 loom m 3, 200 m 3 4 5,

20 h 2 7d 14d N/mm ( )

21 8.1.2 ( ) ,, ( ), ,, ( ) m

22 (mm) (H) 5m 8 >5m 10 H/ ,-5 +25,O (H) H/ m (mm) 20 0, , , ( ) +20, ,O ,

24 9.2.5 (mm) +10,-5 +5, ,-10 () 5 / / m 3 /750 / mm) C 23

25 1 1) 5t 2) JGJ 18 3) 5rn3 4) l GB o 0 = u ( ) 0[ u ] ( u ) [] u o u 0[] u ( ) GB ( ) 24

26 9.3.2 [] u mm l/ mm HPB235 HRB400 RRB l GB [ ] = S a O [ a ] ( ) M k a [ Mq( θ 1 + M k S S a f ] ( ) O a S [ a ] S [ ] GB a f M k Mq GB ( ) O 1.2 a ( ) as c S c a S 25

27 GB c a o γ cr [ γ ] ( ) cr S [ γ cr ]=0.95 σ + pc σ ck γ f tk ( ) o γ cr ( ) [ γ cr ] σ pc GB GB ftk σ ck GB w s.max 0 ws.max [ w ] (9.3.5) max (mm) [ w max ] (mm) [ wmax ]

28 JGJ 18 JGJ N/mm o

29 1 2 C15 M ( ) D GBJ E

30 10 1l

31 A A.O.1 A.0.1 A.O.1 ( ) l ( ) ) 30

32 A.O.2 A02 A.O.2 ( ) ( ) 31

33 A.0.3 A.0.3 A.O.3 l ( ) ( ) 32

34 B B.O.1 25 B.0.1 B.0.1 C15 C20C25 C30C35 C40 HPB235 45d 35d 30d 25d HRB335 55d 45d 35d 30d HRB400 RRB400-55d 40d 35 d B.O B B.O B.0.3 B.0.1 B mm ( ) O mm B.0.4 B.0.1 B mm C C.O

35 C.O C.O C.O.4 ( ) 1 50mm C C.O min 30min C.O

36 C.0.8 o o q o g t =+ (C.0.8-1) o o 1 o =- q o l + r m 2 (C.0.8-2) o g = M M g b o b (C.O.8-3) o t (mm) o (mm) q o (mm) g o (mm) m o l o r (mm) M g M b (knm) (knm) o b (mm) C.0.9 ψ ψ 0.98 ψ C.O.10 1 ( ) 2 35

37 3 0.05mm 4 C.O ( ) C.O D D.O.1 1 ( ) D.O.2 28d D o Cd 0 14d 60d 2 GBJ D.0.4 ( ) D

38 E E.O.1 1 ( ) E.O E.O.3 lmm E.O.4 +lomm-7mm +8mm-5mm E.O E (1) (2) (3) 2 37

39 GB GB GBJ GBJ GB ( ) ( ) 1.O.4 GB GB ( ) ( ) 2 8 GB GB/T GBJ

40 GB O O O.5 3.O GB

41 3.O.7 ( ) ( ) ( ) ( )

43 GB 1499 GB GB l GB

44 JGJ 107 JGJ B GB

45 ( ) GB/T 5223 GB/T 5224 GB GB/T JGJ 85 ( )

46 ( )

47 GB GB

48 MPa GBJ d GBJ146 JGJ d 5 O C JGJ

49 GB 175 GB 1344 GB GB 8076 GBJ JC 472 JC 473 JC474 JC 475 JC GB GBJ 146 JGJ 28 GB/T JGJ 52 JGJ JGJ ( ) d

50 10 D G ( ) 49

51 8.1.2 ( ) ( ) ( ) ( ) C

52 mm 1/ ( )( ) mm C

53 GB GBJ E

54 10.2 lo GB GB lo.2.4 A A.O.1 ( ) A.O.2 ( ) A.O.3 ( ) B B.O.1B.O.3 GB50010 B.O.4 53

55 C C.O.1 0 C.O.2 C.O.3 C.O.4 ( ) C C.0.6 C.0.7 o C.0.8 (C.0.8-1) q o (C.0.8-3) Mb C.O.9 C.O.10 C.0.11 C.O.12 b D D.O D

56 28d 28d D.O O Cd 28d 0 O C 14d 60d 14dd 1.10 GBJ D.0.4 D.0.1 () D.0.2 E E.0.1E.O.2 E.0.3 E.O.4 E.O

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untitled UDC GB P Code for acceptance of constructional quality of concrete structures GB50204-20022011 Code for acceptance of constructional quality of concrete structures GB 502042002 (2011) 2011 2 GB50204-20022011