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CHAPTER 4: THE CONSTRUCTION PROCESS OF SEGMENTAL BRIDGES - page 44 / 47

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44 / 47

D

(L+I)n

(L+I)p

CF

E

B

SF

W

WL

LF

R+S+T

EQ

IB

1.3

D

0

1

1.0

E

1

1

0

0

0

0

0

Chapter 4: The Construction Process of Segmental Bridges

Group

(Taken from AASHTO 1996, Table 3.22.1A)

Table 4-5: Coefficients and for Load Factor Design, Group IB

with

= load factor, see Table 3.22.1.A;

LF = longitudinal force from live load;

= coefficient, see Table 3.22.1.A;

CF = centrifugal force;

D = dead load;

R = rib shortening;

L = live load;

S = shrinkage;

I = live load impact;

T = temperature;

E = earth pressure;

EQ = earthquake;

B = buoyancy;

SF = stream flow pressure;

W = wind load on structure;

ICE = ice pressure”

WL = wind load on live load—100 pounds per linear foot [1.459 kN/m];

and

“(L + I)n - Live load plus impact for AASHTO Highway H or HS loading

(L + I)p - Live load plus impact consistent with the overload criteria of the operation agency

(AASHTO 1996, p30).

200

ICE 0

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