ENV 1991-4 : DRAFT 95

0 FOREWORD
  Objectives of the Eurocodes
  Background to the Eurocode programme
  Eurocode programme
  National Application Document (NAD)
1 GENERAL
  1.1 Scope
      1.1.1 Scope of ENV 1991-Eurocode 1
      1.1.2 Scope of ENV 1991-4 Actions on silos
            and tanks
      1.1.3 Further Parts of ENV 1991
  1.2 Normative references
  1.3 Distinction between principles and application
      rules
  1.4 Definitions
  1.5 Notations
2 CLASSIFICATION OF ACTIONS
3 DESIGN SITUATIONS
4 REPRESENTATION OF ACTIONS
5 LOADS ON SILOS DUE TO PARTICULAR MATERIALS
  5.1 General
  5.2 Slender silos
      5.2.1 Filling loads
            5.2.1.1 Vertical walled section
            5.2.1.2 Flat bottoms
            5.2.1.3 Hoppers
      5.2.2 Discharge loads
            5.2.2.1 Vertical walled section
            5.2.2.2 Flat bottom and hopper
            5.2.2.3 Simplified method for filling and
                    discharge
  5.3 Squat silos
  5.4 Homogenizing silos and silos with a high filling
      velocity
6 LOADS ON TANKS FROM LIQUIDS
  6.1 General
  6.2 Liquid properties
7 MATERIAL PROPERTIES
  7.1 Particulate material properties
  7.2 Simplified approach
  7.3 Testing particulate materials
      7.3.1 Bulk weight density [gamma]
      7.3.2 Coefficient of wall friction [mu[m]]
      7.3.3 Horizontal to vertical pressure ratio
            [Kappa[s,m]]
  7.4 Maximum load magnifier
ANNEX A Basis of design - supplementary clauses to ENV
        1991-1 for silos and tanks
ANNEX B Test methods for particulate material properties
ANNEX C Seismic actions

Gives general principles and actions for the structural design of tanks and silos including some geotechnical aspects.