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ID number:773631
 
Evaluation:
Published: 09.05.2008.
Language: Latvian
Level: College/University
Literature: 4 units
References: Not used
Table of contents
Nr. Chapter  Page.
  Tilta celtņa sijas aprēķins    4
  Šķērsrāmja kolonnas aprēķins    16
  Izmantotā literatūra    26
Extract

Tilta celtņa sijas aprēķins
Izejas dati
L = 36m
Šķērsrāmja laidums
B = 12m
Kolonnu izvietojuma solis
n=2
Celtņu skaits
Celtņa darbības režīms 6K
Q = 125 / 20tf
Celtņa celtspēja
ψ = 0,85
Kombinācijas koeficients
γ n = 1,0
Būves nozīmīguma koef.
γ f = 1,1
Slodžu drošuma koef.
hsl = 170mm
Sliedes tips KP-120
Slodžu aprēķins
Fk1, max = 550kN
Normatīvas riteņu slodzes:
Fk 2, max = 580kN
GT = 430kN
Ratiņu svars:
GK = 1750kN
Celtņa svars ar ratiņiem
Aprēķina slodzes
k d 1 = 1,1 – dinamikas koeficients
Fk1 = γ nγ f kd 1ψFk1, max = 1,0 ⋅ 1,1 ⋅1,1 ⋅ 0,85 ⋅ 550 ≈ 566kN
Fk 2 = γ nγ f kd 1ψFk 2, max = 1,0 ⋅1,1 ⋅1,1 ⋅ 0,85 ⋅ 580 ≈ 597kN

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