RSX-Holz: Warum ergeben sich bei der Stabilitätsbemessung geringere Knickbeiwerte und höhere Auslastungen?

Bei den Tabellenwerken oder der Handrechnung kommen geringere Knickbeiwerte und höhere Auslastungen als bei der Stabilitätsbemessung heraus? Warum?

Im aktuellen deutschen Nationalen Anhang findet sich unter dem Abschnitt NCI NA.5.9 die Anmerkung: Bei einem ständigen Normalkraftanteil von mehr als 70% im Verhältnis zur gesamten Normalkraft muss die Steifigkeit um den Faktor 1 + k_def abgemindert werden. Dies ist der Fall, wenn das Bauteil in der Nutzungsklasse 2 und 3 verbaut wird.

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RSX-Holz: Warum ergeben sich bei der Stabilitätsbemessung geringere Knickbeiwerte und höhere Auslastungen?

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