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Advanced Charge Case

Fixed-Fixed Poutre Point Charge Fleche Calculatrice

Estimate reactions, end moments, fleche, effort tranchant, et bending response pour a fixed-fixed poutre sous a point charge.

Use meters pour geometry, kN pour point charge, GPa pour E, et cm^4 pour I.

Calculation Entrees
Poutre Diagram
PPortee
Fleche maximale0.60 mm
Moment maximal7.50 kN*m
Effort tranchant maximal6.00 kN
Appui reactions2
Calculation Basis
Method1D rigidite method pour indeterminate poutre systems
ScopeHyperstatique et multi-portee preliminaire poutre checks
ReviewRevision technique : 2026-04-15

Assumptions & Limits

  • The model represents 2D bending response only et does not include torsion.
  • Appuis are idealized as analytical boundary conditions.
  • Construction stages, nonlinearity, et settlement effects need a more detailed model.

Reference Basis

Exemples de validation

Ces cas de controle montrent comment les pages principales se comparent a des references elastiques classiques ou a des cas symetriques simples.

Reference charge ponctuelle au milieu sur poutre encastree-encastree

Case setup

L = 5.0 m, P = 12.0 kN at mid-span, E = 210 GPa, I = 6200 cm^4

Validated metric

Fleche maximale

Reference

Resultat de reference: 0,60 mm

Calculator

Resultat du calculateur: 0,60 mm

Check

Ecart: 0,00%

Reference: formule classique delta_max = P L^3 / (192 E I)

Effort tranchant Force Diagram
6.00 kNx = L
Bending Moment Diagram
7.50 kN*mx = L
Resume de la reponse
Left fixityV = 6.00 kN, M = 7.50 kN*m
Right fixityV = 6.00 kN, M = -7.50 kN*m
Calculation Method

Beam model

Forme generale

K d = F

Modele actuel

Supports: Left fixity @ 0.00 m, Right fixity @ 5.00 m. E = 210.0 GPa, I = 6,200 cm^4.

Resultat

Euler-Bernoulli beam with fixed end restraints

Load setup

Forme generale

F = F_point + F_distributed

Modele actuel

P = 12.00 kN @ 2.50 m. No distributed load.

Resultat

Max deflection = 0.60 mm

Internal response

Forme generale

M(x) = E I y''(x), V(x) = dM/dx

Modele actuel

Max |M| = 7.50 kN*m, max |V| = 6.00 kN.

Resultat

Reactions solved at 2 support locations

Hypotheses du modele
  • Both poutre ends are fully fixed in rotation et vertical displacement.
  • The point charge acts vertically at the selected coordinate.
  • The model assumes constant E et I along the member.
Outils associes
  • This page addresses fixed-fixed poutre behavior directly instead of approximating it avec a simply supported poutre et correction factors.
  • Because the appui restraints are explicit, the solveur also returns fixed-end reaction moments rather than only vertical reactions.
  • Real end fixity may be lower than ideal full fixity, so connection flexibility should still be judged separately.