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ID number:127250
 
Evaluation:
Published: 02.03.2010.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

Noteicam balsta reakcijas:
Lai spēku sistēma būtu līdzsvarā nepieciešami un pietiekami, lai sistēmai pielikto spēku kopspēks R (galvenais vektors) un sistēmas galvenais moments Mo (visu momentu summa pret patvaļīgu punktu plaknē) būtu vienādi ar nulli, kur O ir jebkurš punkts sistēmas plaknē.
∑Mc kr=0=>-10*6*3-30*2+6Va=0
6Va=240
Va=40kN
∑Mc labi=0=>-2Hb-Mb+30*5*2.5=0
-2Hb-Mb=-375
∑x=0=>30+Hb-30=0
Hb=0kN
Mb=375kNm
∑y=0=>Va-60+Vb-150=-Vb
Vb=170kN
Tagad rāmja aprēķinam veidosim secības shēmu, t. i., sadalīsim rāmi sastāvdaļās, un aprēķināsim paradušas balsta reakcijas.…

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