IRC:6-2017 Live Load Calculator

⚠ Class 70R / AA adopted — Class A is also evaluated automatically (Cl. 201.1).

A. Project identification

Appears on the printed calculation sheet

Project

Structure

Element analysed

Design stage

Prepared by

Checked by

Date

B. Geometry

IRC:6-2017 Cl. 204.3, 206, 208.5, 208.6

Effective span L(Cl. 208.5)

Carriageway CW(Table 6)

Kerb width(Cl. 206.2)

Footpath provided(Cl. 206.1)

Footpath width W(Cl. 206.3)

Fill incl. crust(Cl. 208.6)

No. of girders n(Courbon)

Girder spacing s(Courbon)

No. of cross girders

Deck overall width

C. Classification and loading

Cl. 201.1, 204.4, 204.5, 206.1, 208, Table 8

Superstructure(Cl. 208.2/208.3)

Bridge class(Cl. 201.1)

Support arrangement(Table 8 Note 2)

Congestion factor(Cl. 204.4)

Special Vehicle SV(Cl. 204.5)

Crowd loading(Cl. 206.1)

Crash barrier class(Cl. 206.6)

D. Units and analysis control

1 tonne =

Lane override (Cl. 205)

Uniform scan steps

Scope: single simply supported span only. Continuous, cantilever, integral or arch structures need an influence-line or grillage analysis — only vehicle definitions, lane rules, impact and reduction factors carry over.

Section views

Plan, cross-section, elevation and 3D — to scale with current input

Drawings scale with the current input.

Governing design live load

Characteristic, incl. impact

N = 2

R_LL855.968 kN

M_LL3,887.594 kNm

V_LL855.968 kN

Governing combination1 lane Class 70R

Outer girder246.519 kN (G1)

SV R / M1,266.962 / 5,915.430

Key derived values

Lanes N2

Table 81.00

1+i Class A1.17308

1+i tracked1.10000

1+i wheeled1.17308

Congestion1.000

70R gov (M)70R (W)

Footway P344.444 kg/m²

Colour legend

■ User input

■ Computed value

■ Key output

■ Code reference