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技 聯 越 南 環 保 工 程 公 司

CHILINE (VIET NAM) ENVIRONMENTAL ENGINEERING CO.,LTD.

Ho Nai III Industrial Zone,Bac Son Commune,Trang Bom District,Dong Nai Province

TEL : 061.3981386~8 FAX : 061.3981389

E - mail : chiline.dn@chiline.vn

FRP TANK STRENGTH CALCULATION SHEET

桶槽計算書

I. Specification : (According to ASME-1-1995 EDITION design)

Description : NaClO tank

I.D : 3000 mm

Height : 4200 mm

Temperature : 600

C

Fluid : NaClO

Specification Gravity : About 1.11

Design safety Factor = 10 for Shell, 5 for Top

Characteristics Of Material

ITEMS

Feature

Thick of Tanks

Under 4.8 mm 6.4 mm 8.0 mm 9.6 mm

Tensile strength

(kgf/mm2

) (mpa)

Over

6.3(61.7)

Over

8.4(82.3)

Over

9.5(91.3)

Over

11(107.8)

Modulus of

tensile elasticity

(kgf/mm2

) (mpa)

Over

600(5880)

Over

630(6174)

Over

630(7585)

Over

844(8271)

Flexural

strength

(kgf/mm2

) (mpa)

Over

11(108)

Over

13(127)

Over

14(137)

Over

15(147)

Modulus of

flexural

elasticity

(kgf/mm2

) (mpa)

Over

190(4802)

Over

560(5488)

Over

630(5174)

Over

7000(6860)

II. Minimum Thick of Tank

Top thick (t1)

CHILINE

VNAA

2/2

According to ASME-1-1995 EDITION regulation, the minimum thickness of torispherical heads

shall be calculation as follows:

)/(21

FSu

MPRct

Where: M = )/(34

1rRc

Rc = 3000m/m

r = 300 m/m

Su = 1200 kgf/cm2

mmx

xxxt / 4.4

)5/1200(2

003041.011.154.11 use 7m/m

Cylindrical shell (t2)

FSn

PDit

/22

Where: Di = 3000m/m

P = 1.11 x 0.41 = 0.4551Kg/cm2

mmx

xt /7.5

10/12002

00300.45512 use 9 m/m

Bottom thick (t3)

According to ASME-1-1995 EDITION

The minimum thickness of Flat Bottom Heads for fully supported bottom heads using Type II

laminates, subject to hydrostatic pressure only, shall be as follows:

(1) 0.22 in for inside diameters < 72 in.

(2) 0.29 in for inside diameters >72 in. to < 96 in.

(3) 0.37 in for inside diameters >96 in. to < 144 in.

Designing & Manufacturing thick

Top: t1 = 7m/m

Cylindrical shell t2 = 9 m/m

Bottom: t3 = 10 m/m