Table 1 Physical parameter.

From: Model experimental investigation on staggered segmental tunnel linings considering the surrounding soil pressure

Categories

Parameters

Geometric dimensions

Lining outer diameter

D

Segments thickness

t

Lining inner diameter

r

Bolt diameter

d

Lining width

B

Bolt length

l

Deformation parameter

Segment stress

σs

Segment strain

εs

Segment ring deflection

δs

Segment ring angle

θs

Material properties

Elastic modulus of segments

Es

Elastic modulus of bolts

Eb

Poisson ratio of segments

µs

Poisson ratio of bolts

µb

External loads

Concentrated load

F

Uniform load

q

Bending moment

M

  
Back to article page