Cold Spring of Restrained Piping System

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IX as

ABSTRACT connecting

is

cold

be

and

cold

equipment,

and

3)

spring

spr-Inging

eI

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of

if

unpr-edictable if it

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INTRODUCTION res .o

ringing.

final ce

to

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ch

system.

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if

will the

co

13

modulus

of elasticity

con-

Same

of

an

of the

rite riters rs

eo

modulus drtion. modulus dition,

con-

of elasticity

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of

th of elas elasti tici city ty

co

exit exit

of

in ma

tion

expansion

be

cold modulus considering

ch

the 2.

In

spring.

(a),

he

points system

it can be

directions,

To has

Each

stress

produced

in the

roughly

inversely

pro-

is propor-

l-(u).

HS

are:

By combining

connections spring

ga

an As

stre stre sspr ssprod od of

it

leg

each

uced

by of

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is

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Al

the

to

dimensioned

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he of the

th created

stress

created

about hr by the X-l!;'!g. Therefore

al

by 10 as shown

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third

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Stre Stress ss

No

(hot):

Figure

X-le X-leg, g,

by the

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snows

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etr e s

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th

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uruis

pl.iah, By comparing

both

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no

PRACTICE air in is unpr unpred edict ictab able le

if caused

by

In

ANALY AN ALYTIC TICAL AL PRQCl PRQCli:DU i:DURE RE facturers the dOILe

by

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ed

it if the

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ap

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(c)

2,

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In Where,

es

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ct including

ce

01

the' restraint, to he

plant

occasional

ta iliz iliz

the

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ce

in reference

to

ill Equation

th thrcughout

(2

tw

(2)

can be

t,

analyae s ,

can also

the

It

be

th

expanRestr-ainta

final

stress

00 perce r: The Code is any

the

credit

in

at

str-e

ver-y

(2).

2/3

ca

cond it

Lculat.ing pera perati ti

te

ratu rature re

without

dtsplaca-

be incl incl 11

displacements.

(9J.

REST RE ST.RA .RAINT INT INSTA INSTALLAT LLATION ION

diaplacernent given

fi

by

to

CD

16

be used.

CONCLUSIONS system

ill be shifted

position

19]

f'rorn

to

tt

-I

hi ti

it is easier

the

the

the str-e as

en inee inee

es

tablf increase ch

and delay

tne

in

to mee't

Ith strategically

econcmic

unifor-m

ty associated

unif unif rm

in

systems.

the

with

is

be used

to as

that iate iate

ar-e used in

tr ints ints

to: 1) and 3) .o

75

sp ing,

unif

in in

In

ot

of the

much

This

to do ben

lo ated

complexi

to

spring

it

as

th

ct

should

practices. the cold

an co

is

spring

cold

know is

of

to

2)

is

ipin ipin

te

cc

load,

its we ight

suppor-t

is

75 Call

(3).

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the

0.5R

th

ce

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in ta

system

arte

system

cold

if

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O.75H

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re

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r-e Thi:> avoids

e me me n ill

by 50

ect

H.EFEHENCES al

es

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Mini rnize 2/3 hn

by 2/3

il

ck "P

J, E.•

ha

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eG

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ed

J.

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8. Cook. J.

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B31, "American Figure

3,