Technical specification for concrete structures reinforced with welded steel fabric JGJ 114 2003 J 276 2003 2003 1

Technical specification for concrete structures reinforced with welded steel fabric JGJ 114 2003 2 0 0 3 9 1 2 0 0 3 2

161 JGJ 114 2003 2003 9 1 3.1.4 3.1.5 5.1.2 JGJ T 114 97 2003 7 11 3

@ [2000] 284 JGJ T 114 97 1. 2. 3. 4. 5. 6. 7. A E 1. 2. 3. 4. 5. 6 7. 30 100013 4

... 4 1... 7 2... 8 2.1... 8 2.2... 11 3... 13 3.1... 13 3.2... 15 4... 16 4.1... 16 4.2... 17 4.3... 19 4.4... 19 4.5... 20 5... 22 5.1... 22 5.2... 28 5.3... 32 5.4... 36 6... 37 6.1... 37 6.2... 37 A... 39 B... 42 C... 43 D... 44 5

... 44 @ E... 45... 48 6

1 1.0.1 1.0.2 1.0.3 7

2.1.1 welded fabric 2 2.1 2.1.2 cold rolled ribbed steel wire 2.1.3 cold drawn rolled plain steel wire 2.1.4 hot rolled ribbed steel bar 2.1.5 spacing 2.1.6 twin bars 2.1.7 ovethang 2.1.8 lap Of welded fabric 8

2.1.9 normal overlapping 2.1.9 2.1.10 nesting 2.1.9 1 2 2.1.10 2.1.11 back overlapping 2.1.10 a b 1 2 2.1.11 2.1.11 1 2 9

2.1.12 lap length of welded fabric 2.1.13 welded stirrup cage 2.1.13 2.1.14 bottom fabric 2.1.13 a b 2.1.15 top fabric 2.1.16 bridge deck pavement 2.1.17 reinforced concrete pavement 2.1.18 tunnel 10

2.2.1 M M k M q σ sk 2.2 2.2.2 E s f stk f yk f y f y f c 2.2.3 a s a s b T I d h 0 l a x A s A s 11

B B s 2.2.4 ξ b α E ρ v ψ 12

3 3.1 3.1.1 CRB550 HRB400 CPB550 GB T 1499.3 3.1.2 1 A 2 3.1.3 1 4 12mm 12mm 0.5mm 5 12mm 6 16mm 2 12m 3.3m 3 100m 150mm 200mm 100 400mm 10mm 5.2.10 1000mm 3.1.4 95 f f f 3.1.4 stk yk yk f stk 13

3.1.4 N mm 2 mm f stk f yk CRB550 R 5 6 7 8 9 10 11 12 550 HRB400 6 8 10 12 14 16 400 CPB550 cp 5 6 7 8 9 10 11 12 550 3.1.5 f f 3.1.5 y 3.1.5 N mm 2 y f y f y CRB550 R 360 360 HRB400 360 360 CPB550 cp 360 360 300N/mm 2 300N/mm 2 3.1.6 3.1.6 E s 3.1.6 N mm 2 E s E s CRB550 1.9 10 5 HRB400 2.0 10 5 CPB550 2.0 10 5 f 3.1.7 σ f ρ s = σ f s,min f s,max ρ s 14

f σ σ s, min f s, max 3.1.8 280N mm 2 f 0.3 ρ s 80N mm 2 3.2 3.2.1 C20 C30 GB 50010 GB 50010 3.2.2 GB 50010 3.2.3 CJJ 37 JTG D40 JTJ 023 15

4 4.1 4.1.1 GB 50009 GB 50010 GB 50011 4.1.2 4.1.3 4.1.3 4.1.3 7m l0 l 0 /200 l 0 /250 7m 9m l0 l 0 /250 l 0 /300 1 2 l 2 0 3 4 l 0 4.1.4 4.1.4 16

4.1.4 mm 0.3 0.2 1 2 4.1.5 15 4.1.6 GB 50010 4.1.7 JTG D40 4.2 4.2.1 GB 50010 4.2.2 T 4.2.2 x M α f cbx h + f y A s ( h α 1 0 0 s ) 4.2.2-1 2 α f bx = f A f A 4.2.2-2 1 c y s y s 17

4.2.2 x ξ b h 0 x 2 a M c s f 3.2.2 A s A s h 0 b T x α s α1 1 ξ b C50 α 1.0 α 1 C80 0.94 C50 CRB550 CPB550 ξ =0.37 HRB400 ξ =0.52 C50 b ξ b b 18

HRB400 C50 =0.37 ξ b 4.2.3 GB 50010 3.1.8 4.3 4.3.1 GB 50010 4.3.2 3.1.5 4.4 4.4.1 4.1.4 C20 10mm CRB550 HRB400 20mm 4.4.2 w max mm σ d sk dq w = max α crψ 1.9c + 0. 08 E 4.4.2-1 s ρ te 0.65 f ψ = α tk 4.4.2-2 ρ σ te sk M k σ sk = 4.4.2-3 0.87A h s 0 nid 2 i d eq = 4.4.2-4 n v d i i i 19

α α =1.9 cr =2.1 ψ ψ 0.1 ψ =0.1 ψ σ sk 1 ψ =1 ψ α cr cr E s 3.1.6 α =1.05 α =1.1 α c mm ρ te M k d eq ρ te = A s /( 0. 5bh) 0.01 ρte ρte =0.01 mm vi i v i =1.0 v =0.7 i d i n i i mm i 4.5 4.5.1 B 4.1.3 4.5.2 T T I B B = M q M k s ( θ 1) + M k B 4.5.2 20

M k M q B s 4.5.3 θ 4.5.3 = B s 2 Es As h0 6α E ρ 1.15ψ + 0.2 + 1+ 3.5r ( b b) f B s (4.5.3-1) h f f r f = (4.5.3-2) bh 0 ψ 4.4.2-2 ψ 0.1 ψ =0.1 ψ 1.0 ψ =1.0 ψ =1.0 α E ρ ρ = A s /( bh0 ) E s r f 3.1.6 b T I b f h f h f 0.2 h0 h f =0.2 h0 21

5 5.1 5.1.1 5.1.1 5.1.1 mm C20 C25 C45 C50 20 15 15 a 20 20 b 25 20 30 25 1 C20 5mm 15mm 2 10mm 15mm 3 40mm 70mm 4 5.1.2 0.2 45 f / f t y b b h ( t ) f 5.1.3 JTG D40 22

8mm 200mm 300mm 50mm 5.1.4 100 200mm 6 10mm 20mm B 5.1.5 JGJ 026 150 300mm 5 10mm 5.1.6 5.1.7 50mm 5.1.7 l 5.1.7 a 5.1.7 5.1.7 l a mm C20 C25 C30 C35 C40 CRB550 40 d 35 d 30 d 28 d 25 d 30 d 26 d 23 d 21 d 20 d HRB400 45 d 40 d 35 d 32 d 30 d 35 d 31 d 28 23 d 25 d 23 d

1 1.4 2 5 d d 3 d 0.8 3 3 200mm 200mm 250mm 4 d mm 5.1.8 50mm 5.1.8 l a 5.1.8 5.1.8 la mm C20 C25 C30 C35 C40 35 d 30 d 27 d 25 d 23 d 1 1.4 2 200 mm 3 d mm 5.1.9 CRB550 HRB400 24

5.1.7 5.1.10 5.1.11 1 5.1.7 l 1.3 5.1.11 200mm 50mm a 2 5.1.7 1.3 l a d 10mm 5d 5.1.11 5.1.12 1 2 50mm 5.1.12 5.1.8 1.3 200mm 25

5.1.12 2 5.1.13 0.7 150mm 5.1.14 5.1.14a 5.1.14b 20 d d 150mm 5.1.14c 20 d 200mm d 8mm 5 d 5.1.15 1 4 30 d d 250mm 5.1.16 5.1.11 5.1.15 5.1.17 35 d 25 d d 200mm 26

5.1.14 a b c 1 2 5.1.18 5.1.7 5.1.16 1 l ae l =1.15 l 5.1.18-1 ae a l =1.05 l 5.1.18-2 ae a 27

l = l 5.1.18-3 ae 5.1.7 5.1.8 l a a 2 l 1.3 l d 10mm le ae 5 d 5.2 5.2.1 5mm 1 h 150mm 200mm 2 h 150mm 1.5 h 250mm 5.2.2 1 3 1 4 5.2.3 400mm 1 2 10 d d 100mm 1 2 100mm 5.2.4 7mm 200mm 1 3 1 4 5.2.5 110mm 5.2.5a 5.2.5b 28

5.2.5 5.2.6 1 5mm 200mm l 7 l 0 0 2 l 4 l 0 0 3 1 3 5.2.7 15 0.1 5mm 250mm 200mm 5.2.8 30 d 30 d 5.2.8 5.2.8 29

5.2.9 5.1.11 5.1.12 5.2.9 5.1.16 5.2.9 a b 1 2 3 4 5 5.2.10 1 5.2.10a 2 2 5.2.10b 5.2.3 30

5.2.10 5.2.11 30mm 5.2.11 5.1.7 5.2.11 5.2.12 5.2.12 5.1.7 5.2.12 31

5.2.13 5.2.13 5.1.7 5.2.13 5.2.14 5.2.14a 5.2.14b 5.1.7 5.2.3 5.2.15 5.2.14 a b 1 2 5.3 5.3.1 32

1 6 7 8-2 GB 50010 20m 3 5.3.2 GB50010 5.3.3 1 0.25 0.2 6mm 150mm 8mm 300mm 2 0.3 200mm 5.3.4 0.2 0.3 0.1 h h 0.1 5.3.5 5.3.1 5.3.4 GB 50010 5.3.6 5.1.11 5.1.12 5.1.18 w w 33

5.3.7 5.1 400mm 40 d d 5.3.7 5.3.7 1 2 3 5.3.8 1 U 5.3.8a 90º 5 d 10 d 50mm 2 5 d 10 d 50mm 5.3.8b 5.3.8c d 5.3.8e 5.1.7 5.1.18 34

5.3.8 a b c T d L e 1 2 3 4 5 5.3.9 6mm 35

700mm 5.4 5.4.1 1 135º 5 10 2 400mm 15 d d 3 d 4 d 5mm 5.4.2 1 135º 10 5 90º U 2 3 8mm 8mm 800mm 6mm d 4 d 4 C 5.4.3 GB 50010 36

6 6.1 6.1.1 1 30t 2 5 3 D 3 6.1.2 D 4 E 6.1.2 14.5 6.2 6.2.1 2t 6.2.2 6.2.3 GB 50204 6.2.4 1 2 6.2.5 5.1 5.3 600mm 37

5.2.10 2m 2 1 6.2.6 600 900mm 6.2.7 6.2.7 1 2 3 4 6.2.7 GB 50204 38

A A.0.1 kg/m 2 mm mm mm 2 /m mm mm /m A16 16 1006 12 566 12.34 A14 14 770 12 566 10.49 A12 12 566 12 566 8.88 A11 11 475 11 475 7.46 A10 10 200 393 10 200 393 6.16 A9 9 318 9 318 4.99 A8 8 252 8 252 3.95 A7 7 193 7 193 3.02 A6 6 142 6 142 2.22 A5 5 98 5 98 1.54 B16 16 2011 10 393 18.89 B14 14 1539 10 393 15.19 B12 12 1131 8 252 10.90 B11 11 950 8 252 9.43 B10 10 100 785 8 200 252 8.14 B9 9 635 8 252 6.97 B8 8 503 8 252 5.93 B7 7 385 7 193 4.53 B6 6 283 7 193 3.73 B5 5 196 7 193 3.05 39

A.0.1 kg/m 2 mm mm /m mm mm mm 2 /m C16 16 1341 12 566 14.98 C14 14 1027 12 566 12.51 C12 12 754 12 566 10.36 C11 11 634 11 475 8.70 C10 10 150 523 10 200 393 7.19 C9 9 423 9 318 5.82 C8 8 335 8 252 4.61 C7 7 257 7 193 3.53 C6 6 189 6 142 2.60 C5 5 131 5 98 1.80 D16 16 2011 12 1131 24.68 D14 14 1539 12 1131 20.98 D12 12 1131 12 1131 17.75 D11 11 950 11 950 14.92 D10 10 100 785 10 100 785 12.33 D9 9 635 9 635 9.98 D8 8 503 8 503 7.90 D7 7 385 7 385 6.04 D6 6 283 6 283 4.44 D5 5 196 5 196 3.08 40

A.0.1 kg/m 2 mm mm /m mm mm mm 2 /m E16 16 1341 12 754 16.46 E14 14 1027 12 754 13.99 E12 12 754 12 754 11.84 E11 11 634 11 634 9.95 E10 10 150 523 10 150 523 8.22 E9 9 423 9 423 6.66 E8 8 335 8 335 5.26 E7 7 257 7 257 4.03 E6 6 189 6 189 2.96 E5 5 131 5 131 2.05 1. kg/m 2 2. 14mm 16mm 41

B A B.0.1 mm mm kg/m 2 100 100 8 10 7.90 12.33 20 100 100 6 9 4.44 9.98 120 150 150 7 10 4.03 8.22 B 100 100 8 9 7.90 9.98 20 100 100 6 7 4.44 6.04 100 150 150 7 8 4.03 5.26 20 150 150 8 10 5.26 8.22 150 150 6 7 2.96 4.03 5.1.17 42

C C.0.1 135º 10 C.0.1a 90º 5 C.0.1b C.0.1 C.0.2 U 5.4.2 C.0.2a b C.0.2 U 43

D D.0.1 1 1 50 2 D.0.2 D.0.2 D.0.2 mm mm % 25 10 1 1 10mm 2 D.0.3 D.0.3 D.0.3 mm d 5 5 10 d 10 0.10 0.15 0.20 44

E E.0.1 GB T 1499.3 E.0.2 GB T 701 E.0.3 4 12mm GB 13788 E.0.3 E.0.3 δ % σ b 10 180º N/mm 2 CPB550 550 8.0 D = 3d 1 σ σ 80% p0.2 2 δ 10 d 10 3 D d b E.0.4 2 20 180mm 20mm E.0.4 E.0.5 3 E.0.5 45

E.0.4 a b E.0.5 a b 46

N 0.3 5.2.10 5.2.10a 0.8 47

1 1 2 3 2 48