15_-_proracun_stupova_rev2.ppt

7/21/2019 15_-_Proracun_stupova_rev2.ppt

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MONTAŽNE AB KONSTRUKCIJEMONTAŽNE AB KONSTRUKCIJE

PRORAČUN,DIMENZIONIRANJE IPRORAČUN,DIMENZIONIRANJE I

KONTROLA STABILNOSTIKONTROLA STABILNOSTIPREDGOTOVLJENIHPREDGOTOVLJENIH

ARMIRANOBETONSKIH STUPOVA ARMIRANOBETONSKIH STUPOVA

PROF. DR. SC. DARKO MEŠTROVIĆPROF. DR. SC. DARKO MEŠTROVIĆ



PLAN PREDAVANJAPLAN PREDAVANJA

1. UVOD1. UVOD

2. PRORAČUN STUPOVA !"#$%&' I $"(')2. PRORAČUN STUPOVA !"#$%&' I $"(')

*. PROBLEMI STABILNOSTI I*. PROBLEMI STABILNOSTI IPRORAČUN VITKIH STUPOVAPRORAČUN VITKIH STUPOVA

+. PRIMJER PRORAČUNA VITKOG+. PRIMJER PRORAČUNA VITKOG

STUPASTUPA. KONSTRUKCIJSKE POJEDINOSTI. KONSTRUKCIJSKE POJEDINOSTISTUPOVA ARMATURA I DETALJI)STUPOVA ARMATURA I DETALJI)



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SILOM I MOMENTOMA SAVIJANJA.SILOM I MOMENTOMA SAVIJANJA.9494 ≤≤ +. A# &" 94 + $%&" &" # 5%().+. A# &" 94 + $%&" &" # 5%().

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AKSIJALNOM SILOM



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1

PRIBLIŽAN PRORAČUNPRIBLIŽAN PRORAČUN VITKIHVITKIHSTUPOVASTUPOVA POVEĆANJEM MOMENTAPOVEĆANJEM MOMENTA

SAVIJANJASAVIJANJAK#"%@%&"/! 3%!#0!%K#"%@%&"/! 3%!#0!%

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u i#a#uu i#a#u λ λ i i $$ S% S% & N & N S% S% '( A '( A) ) *+ *+ )% )% ,- ,-

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-# !"#$%&% II<$"(' 5'-# !"#$%&% II<$"(' 5' λ λ ≤≤ λ λ critcrit

λ λ critcrit = 25 za:= 25 za: ee0101 = e= e02 02

λ λ critcrit = 75 za: e= 75 za: e0101 = - e= - e02 02

|e|eo2 o2 | ≥ |e| ≥ |eo1o1||,,

crit o

i i

λ λ <= l c

Ai

I =

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i

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o

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