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ID number:397109
 
Evaluation:
Published: 02.04.2011.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

Dots:
Stiepes spēks Nst = 7kN
Savienojamo dēļu biezums t2 = 22mm
Tapas diametrs d = 14mm
Koksnes klases stiprības klase C16
Lietojamības klase – 2, iedarbes ilgums – patstāvīga.
Pieņemam:
Uzlikņa biezums t1=15 mm
Tapas ir bultskrūves
Pārbaudu tapu uz skaldi:
Aprēķinām koka pretestību pret tapas spiedienu šķiedru virzienā:
fhk = 0,082*(1– 0.01*d )*ρk, kur (no D.Ozolas grāmatas)
d = 14 mm
ρk = 320 kg/m3 – koksnes tilpumsvars
fhk = 0.082*( 1– 0.01*14 ) * 310 = 21.86 N/mm2…

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