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SIST EN 1991-4:2006/A101:2011

Eurocode 1 - Actions on structures - Part 4: Silos and tanks - National Annex

Eurocode 1 - Actions on structures - Part 4: Silos and tanks - National Annex

(1)P This part provides general principles and actions for the structural design of silos for the storage of particulate solids and tanks for the storage of fluids and shall be used in conjunction with EN 1990, other parts of EN 1991 and EN 1992 to EN 1999.
(2)This part includes some provisions for actions on silo and tank structures that are not only associated with the stored solids or liquids (e.g. the effects of thermal differentials, aspects of the differential settlements of batteries of silos)
(3)The following geometrical limitations apply to the design rules for silos:
- the silo cross-section shapes are limited to those shown in Figure 1.1d, though minor variations may be accepted provided the structural consequences of the resulting changes in pressure are considered;
- the following dimensional limitations apply:
hb/dc < 10
hb < l00 m
dc < 60 m
- the transition lies in a single horizontal plane (see Figure 1.1a);
- the silo does not contain an internal structure such as a cone or pyramid with its apex uppermost, cross-beams, etc. However, a rectangular silo may contain internal ties.
(4) The following limitations on the stored solids apply to the design rules for silos:
- each silo is designed for a defined range of particulate solids properties;
- the stored solid is free-flowing, or the stored solid can be guaranteed to flow freely within the silo container as designed (see 1.5.12 and Annex C);
- the maximum particle diameter of the stored solid is not greater than 0,03dc (see Figure 1.1d).
NOTE: When particles are large compared to the silo wall thickness, account should be taken of the effects of single particles applying local forces on the wall.

Eurocode 1: Einwirkungen auf Tragwerke - Teil 4: Einwirkungen auf Silos und Flüssigkeitsbehälter

Eurocode 1 - Actions sur les structures - Partie 4: Silos et réservoirs

Evrokod 1: Vplivi na konstrukcije - 4. del: Silosi in rezervoarji - Nacionalni dodatek

(1)P Ta del zagotavlja splošna načela in vplive pri projektiranju silosov za shranjevanje trdnih delcev in rezervoarjev za shranjevanje tekočin ter se uporablja v povezavi z EN 1990, drugimi deli EN 1991 in EN 1992 do EN 1999.
(2) Ta del vključuje nekatere določbe za vplive na konstrukcije silosov in rezervoarjev, ki niso povezani le s shranjenimi trdnimi snovmi ali tekočinami (npr. učinki diferencialov toplote, vidiki diferencialnega posedanja kupov v silosu).
(3) Pri pravilih za projektiranje silosov veljajo naslednje geometrijske omejitve:
– oblike prerezov silosov so omejene na oblike, prikazane na sliki 1.1d, čeprav so sprejemljiva tudi manjša odstopanja, pod pogojem, da se upoštevajo strukturne posledice nastalih sprememb v pritisku,
– glede mer veljajo naslednje omejitve:
hb/dc < 10
hb < l00 m
dc < 60 m
prehod leži v enojni vodoravni ravnini (glej sliko 1.1a),
– silos ne vsebuje notranje konstrukcije, npr. stožca ali piramide s konico na najvišjem delu, preklade itd. Pravokoten silos pa lahko vsebuje notranje vezi.
(4) Pri pravilih za projektiranje silosov veljajo naslednje omejitve za shranjene trdne snovi:
– vsak silos je projektiran za opredeljen razpon lastnosti trdnih delcev,
– shranjena trdna snov je sipka ali pa se zagotovi, da shranjena trdna snov prosto teče v silosnem vsebniku, kot je projektiran (glej 1.5.12 in dodatek C),
– največji premer delca shranjene trdne snovi ni večji od 0,03 dc (glej sliko 1.1d).
OPOMBA: Če so delci veliki v primerjavi z debelino stene silosa, je treba upoštevati učinke posameznih delcev, ki na steno delujejo z lokalno silo.

General Information

Status
Published
Public Enquiry End Date
29-Nov-2010
Publication Date
15-Mar-2011
ICS
91.010.30 - Technical aspects
Technical Committee
KON - Structures
Current Stage
7160 - Izvirni SIST - Izdaja (Local Project)
Start Date
10-Mar-2011
Due Date
15-Mar-2011
Completion Date
16-Mar-2011
Directive
TP237 - Pravilnik o spodnjem ustroju železniških prog
Ref Project

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 1991-4:2006/A101 april 2011
Evrokod 1: Vplivi na konstrukcije – 4. del: Silosi in rezervoarji –
Nacionalni dodatek
Eurocode 1 – Actions on structures – Part 4: Silos and tanks –
National Annex
Eurocode 1 – Actions sur les structures – Partie 4: Silos et réservoirs
Eurocode 1: Einwirkungen auf Tragwerke – Teil 4: Einwirkungen auf Silos und Flüssigkeitsbehälter
Referenčna oznaka ICS 91.010.30 SIST EN 1991-4:2006/A101:2011 (sl)
Nadaljevanje na straneh 2 in 3
© 2011-04. Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.



SIST EN 1991-4:2006/A101 : 2011 2 NACIONALNI UVOD
Dopolnilo SIST EN 1991-4:2006/A101 (sl), Evrokod 1: Vplivi na konstrukcije – 4. del: Silosi in rezervoarji – Nacionalni dodatek, 2011, ima status dopolnila k standardu SIST EN 1991-4:2006.
NACIONALNI PREDGOVOR
Slovenski nacionalni standard SIST EN 1991-4:2006 je privzet evropski standard EN 1991-4:2006, ki ga je pripravil tehnični odbor Evropskega komiteja za standardizacijo CEN/TC 250 Konstrukcijski evrokodi, katerega tajništvo je v pristojnosti BSI. Dopolnilo SIST EN 1991-4:2006/A101:2011 je pripravil tehnični odbor SIST/TC KON Konstrukcije. To dopolnilo se lahko uporablja skupaj s standardom SIST EN 1991-4:2006 oziroma EN 1991-4:2006, ki v poglavju Nacionalni dodatek natančno določa poglavja za nacionalno izbiro.
Nacionalna izbira je v EN 1991-4:2006 dovoljena v:
– 2.5(5) – 3.6(2) – 5.2.4.3.1(3) – 5.4.1(3) – 5.4.1(4) – A.4(3) – B.2.14(1)
Nacionalni dodatek vsebuje al
...

SLOVENSKI SIST EN 1991-4:2006/oA101

STANDARD november 2010












Evrokod 1: Vplivi na konstrukcije – 4. del: Silosi in rezervoarji –
Nacionalni dodatek

Eurocode 1 – Actions on structures – Part 4: Silos and tanks –
National Annex A101

Eurocode 1 – Actions sur les structures – Partie 4: Silos et réservoirs

Eurocode 1: Einwirkungen auf Tragwerke – Teil 4: Einwirkungen auf Silos und
Flüssigkeitsbehälter





















Referenčna oznaka
ICS 91.010.30 SIST EN 1991-4:2006/oA101:2010 (sl)


Nadaljevanje na straneh 2 in 3



© 2010-11. Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 1991-4:2006/oA101 : 2010
NACIONALNI UVOD

Dopolnilo SIST EN 1991-4:2006/A101 (sl), Evrokod 1: Vplivi na konstrukcije – 4. del: Silosi in
rezervoarji – Nacionalni dodatek, 2010, ima status dopolnila k standardu SIST EN 1991-4:2006.

NACIONALNI PREDGOVOR
Slovenski nacionalni standard SIST EN 1991-4:2006 je privzet evropski standard EN 1991-4:2006, ki ga
je pripravil tehnični odbor Evropskega komiteja za standardizacijo CEN/TC 250 Konstrukcijski
evrokodi, katerega tajništvo je v pristojnosti BSI.
Dopolnilo SIST EN 1991-4:2006/A101:2010 je pripravil tehnični odbor SIST/TC KON Konstrukcije.
To dopolnilo se lahko uporablja skupaj s standardom SIST EN 1991-4:2006 oziroma EN 1991-4:2006,
ki v poglavju Nacionalni dodatek natančno določa poglavja za nacionalno izbiro.

Nacionalna izbira je v EN 1991-4:2006 dovoljena v:

– 2.5(5)
– 3.6(2)
– 5.2.4.3.1(3)
– 5.4.1(3)
– 5.4.1(4)
– A.4(3)
– B.2.14(1)

Nacionalni dodatek vsebuje alternativne postop
...

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—   particular aspects of special types of structures (such as arches or domes);
—   masonry where gypsum, with or without cement, mortars are used;
—   masonry where the units are not laid in a regular pattern of courses (rubble masonry);
—   masonry reinforced with other materials than steel.

  • Standard
    137 pages
    English language
    sale 10% off
    e-Library read for
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  • Draft
    135 pages
    English language
    sale 10% off
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    1 day