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括霭纪
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1 E 145:2002 pecification for structural design of buride rectangular Pipeline of wter supply and ewerage engineering

2 pecification for structural design of buride rectangular Pipeline of wter supply and ewerage engineering E145:

3 GBJ GB50068 GBJ50153 GBJ69-84 [1986]1649 E 145: E/T

4 A B D

5 MPa GB GB GB GB

6 Fep k FV K FVK FWd K FWK Pfk QVK g k Ve K VK ωmax E E m E A0 α 6

7 B B b bw H HW H I IW IWm L LV W d j G Q ξ 0 ξ ξp ξ 7

8 γ 0 γ G γ Q µ d ψ ψ 8

9 MU MU M GB i i W i i i 0.1MPa E GB

10 A

11 4.2.1 KN/m Kαγ Z 2 Fep K α F ep K = K Z α γ + γ ( Z Z ) [ W W kn/m 2 K γ kn/m 3 18kN/m 3 Z m γ kn/m 3 10kN/m ZW m kN/m GB GB

12 (KN/m 2 ) B 0.5 ψ P FWd K FWK F = 1. 4F Wd K WK MPa MPa ψ P = ψ ) ( P MPa ψ 0 P 12 F VK

13 m γ 0 R γ 0 GB ). 13

14 R GB GB = γ G + ψ γ Gl Qi G lk ( + γ QWd F GJ ( Wd K GW G + WK Qm + mk GV + F QV V K F VK + + G ep Qr ) + γ F VK ep K + Qh Ql hk ) Ql GW K (5.2.3) G lk gw K Gl Ql GWK GW F r K ep K GV F Wd K G ep F QWd mk Qm FVK QV V K hk γ Gl QV Qh γ G γ Ql 1.27 γ Qj 1.40 ψ

15 gw G l G W F V F ep σ Pe s r F Wd m F V

16 mm h + ( Qh bk ) ) + ( ψ d = GlGiK GW GWK + GV FV K + GeP FeP K gw Ql gw K + ψ ψ i + ψ m Qm mk + ψ V (5.3.5) QV VK N A α f ct tk N N A0 mm 2 ftk αt N/mm

17 2 e0 N ( + γω 0 1 ) A 0 α f t tk e 0 mm W0 mm 3 γ α σ + σ p Pe N/mm 2 σ σ Pe N/mm 2 σ P

18 m 3.0m 3 3.0m 3.0m m M AB = M AF M BA N AB = FVKbW + FVK B + GlW K M BA = FVK B( bw a )

19 N F BA 1 = FVKbW + FVK B F G V K ld K VK = + B + 2 bw B + 2a 4 M = AA M AB 2 f M AA M max = ξ 0 p B M AB kn m/m M BA kn m/m M AF kn m/m M AA M max kn m/m kn m/m N AB kn/m NBA kn/m FVK kn/m 2 B m GlW K kn/m 19

20 Gld K kn/m bw m a m Pf kn/m ξ 1/8 1/ VB µ Gld 2 2 K VA µ ( G ld K + GlW K ) + fvbw V kn/m A V kn/m B 0.70 fv kn/m m M AB M AB F AB F F = M AB + ( M AB M AA) AA AB AA F AA FF = M ( ) AA + M AB M AA AB AA 3EIW = H 20

21 6.1.5 W 3m M AB kn m/m M AA kn m/m AB AA kn m/m kn m/m D F M AB kn m/m F M ZZ kn m/m D E N/m 2 GB 5003 IW m 4 /m H m 3 M AA

22 m 3.0m m AB ABBA 3E I W Id ABBA I W ABBA = H 4E I = H 3I H 4I H W 2I + L 2I + L W W dc dc m 4 /m m 4 /m H m L m E kn/m 2 22

23 2 M AB M AA 23

24 mm 40mm 45mm 2 40mm 35mm m m 75 12mm B(m) B B B 3.0 mm

25 mm mm 20mm m 120mm 1.0m 240mm m 1.0m 30d m 15m mm mm mm 3 25

26 m 30mm m m / mm 40mm 30mm 26

27 A A.0.1 A.0.2 W K F V K = γ H B A.0.2 kn/m γ kn/m 3 18kN/m 3 H m B m A.0.3 F V K = γ H 1.2 d d B A.0.3 A.0.4 F V K = γ B B j t A Bt = B [1 + tg(45 )] A j 0 ϕ H 1 exp( 2K µ ) Bt = 2K µ j A Bt m K µ 27

28 K µ 0.09 ϕ ϕ 30 O 28

29 B B.0.1 JTJ 021 B B B KN/m 2 VK ai i m 29

30 bi i m H m µ B.0.2 d B.0.2 H(m) µ d B d VK VK = n ( a + 1.4H )( nb + i µ nq i j = 1 n bj d bj + 1.4H ) B d m B

31 B.0.3 Ve K kn/m L P Ve K = VK B.0.3 LP + 2H P LP m H P m B.0.3 B VZ hz K K hz 1 = 3 K VZ K B g kn/m 2 Z kn/m 2 2 hz 1 = 3 K Ve K B V K L 31

32 L h hz 2 ϕ (45 0 K = γ htg ) B VK AV = B γ L b + d ) ( i bj ϕ = H (45 0 Ptg ) B O ϕ L m h m 2 AV m 2 B

33 .0.1 σ d ω max = 1.8ψ ( )(1 + α1) ν E ρ re f ψ = 1.1 tk ρ σ α2 ω max mm tk E N/mm 2 mm 4A d mm d = u u mm ρ te = ρte A 0. 5bh b h A mm 2 σ N/mm =0 1 1= 0.28 e mm h 2e h 0 mm

34 ftk N/mm 2 h0 2 2=1.0 2=1-0.2 e h0 2= e M σ = 0.87A h 0 σ N mm M 2 = σ M 0.35N ( h A h 0 0.3e ) N N 3 M + 0.5N( h0 a ) σ = A ( h a ) 0 a mm 34 0

35 D D.0.1 E E L / 2 h 0 λ = 10 ( ) 3 D.0.1 λ h mm E0 N/mm 2 e E N/mm 2 GB L mm D.0.2 I fc = E ξ D.0.2 L P 2 P N mm/mm I f mm 4 /mm ξ D.0.2 D.0.2 ( )

36 D D.0.3 L/2 2 ξ F M M ( L F 2 2 = ξ ) D.0.3 N m/m N/m 2 ξ D.0.3 D.0.4 D.0.3 ξ ξ M P( L F P P 2 2 = ξ ) D.0.4 F M P ξ P N m/m P N/m D

37 D.0.4 ξ P L/2 2 1 L/2 3 37

GF

P GB 500692002 Structural design code for special structures of water supply and waste water engineering 20021126 200231-1 - Structural design code for special structures of water supply and waste water