Strength Analysis of a Wall Panel

Objective: Check of the strength of the wall panel

Task: Check the strength of the section

References: Guide on designing of concrete and reinforced concrete structures made of heavy-weight or lightweight concrete (no prestressing) (to SNiP 2.03.01-84), 1989, p. 32-34.

Initial data file:

Example 12 SNiP.SAV
report – Arbat 12.doc.

Compliance with the codes: SNiP 2.03.01-84*. 

Initial data:

= 5,8  m Wall panel span
b×h = 340×1195 mm Wall panel section sizes
qtot  = 3,93 kN/m2 Total vertical uniformly distributed load
qw = 0,912 kN/m2 Wind load
Concrete class В3,5; D1100
Class of reinforcement А-III

ARBAT initial data:

Importance factor  γn = 1

Member length 5.8 m
Effective length factor in the XoY plane 1
Effective length factor in the XoZ plane 1
Random eccentricity along Z according to SNiP 2.03.01-84* (Russia and other CIS countries)
Random eccentricity along Y according to SNiP 2.03.01-84* (Russia and other CIS countries)
Structure is statically determinate
Limit slenderness - 200

Section:

b = 340 mm
h = 1195 mm
a1 = 75 mm
a2 = 75 mm

 

   

 

S1 - 2∅10, second row 2∅6
Clear distance between rows 92 mm)
S2 - 2∅10, second row 2∅6
Clear distance between rows 467 mm)

 

 

Reinforcement

Class

Service factor

Longitudinal

A-III

1

Transverse

A-I

1

 

Concrete:

Concrete type: Lightweight
Concrete class: B3,5
Grade by average density: D1100
Aggregate: Artificial dense
Hardening conditions: Natural
Hardening factor 1

Service factor for concrete

γb2

allowance for the sustained loads

1.1

 

resulting factor without γb2

1

 

Comparison of solutions:

Check

strength of the section

Guide

74,5/78,4= 0,950

ARBAT

0,953

Deviation, %

0,3 %