Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/debugger.php on line 101

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/file.php on line 90

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/cache/file.php on line 91

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/dispatcher.php on line 485

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/dispatcher.php on line 717

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/router.php on line 176

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/controller/controller.php on line 298

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/controller/controller.php on line 720

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/controller/component.php on line 221

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/controller/component.php on line 223

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/view/view.php on line 737

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/class_registry.php on line 70

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/class_registry.php on line 138

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/class_registry.php on line 146

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/security.php on line 56

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/validation.php on line 114

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/model/behavior.php on line 282

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/model/connection_manager.php on line 71

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/model/connection_manager.php on line 85

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/model/connection_manager.php on line 111

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/string.php on line 47

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/i18n.php on line 102

Deprecated: Assigning the return value of new by reference is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/i18n.php on line 103

Deprecated: Function split() is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/cake/libs/l10n.php on line 401
Werktuigbouw formules: Stijfheid en Sterkte formuleblad
Terug naar het overzicht

Stijfheid en Sterkte formuleblad

Stijfheid en Sterkte - Vergeet-mij-nietjes


Deprecated: Function ereg() is deprecated in /home/gf4222/domains/ginco.nl/public_html/wb/app/vendors/mathpublisher.php on line 1609
theta_B = {M l}/{EI} nu_B = {M l^2}/{2EI}
theta_B = {P l^2}/{2EI} nu_B = {P l^3}/{3EI}
theta_B = {q l^3}/{6EI} nu_B = {q l^4}/{8EI}

Trek/Druk

sigma = varepsilon . E met sigma = P/A delim{[}{N/{mm^2} = MPa}{]}
varepsilon = {Delta l}/l = delta/l
Delta l = delta = {P l}/{E A}
EA: rekstijfheid (Newton)

Oppervlakte traagheidsmoment

I_x = int{}{}{y^2} dA~~~delim{[}{L^4}{]}
I_y = int{}{}{x^2} dA
I_y = I_y_c + {x_0}^2 A
I_x = I_x_c + {y_0}^2 A
r_x = sqrt{I_x/A} ~~ r_y = sqrt{I_y/A} ~~ r_p = sqrt{I_p/A}
Voor een rechthoek geldt:
I_x_c = 1/12 b h^3 ~~ I_x_b = 1/3 b h^3

Polair traagheidsmoment

I_p = int{}{}{x^2 dA} + int{}{}{y^2 dA}~~~delim{[}{L^4}{]}
Voor een cirkel geldt:
I_p = pi/2 r^4 = pi/32 d^4