Bulgarian Institute for Standardization
Standards – always a step ahead
Phone: +359 2 8174 523, +359 2 8174 504
E-mail: info@bds-bg.org
1797 Sofia, 13 "Lachezar Stanchev" Str., "Izgrev" Complex
ID number: 175079183, VAT number: BG175079183
Main menu

prБДС EN 1991-1-1:2023

Eurocode 1 - Actions on structures - Part 1-1: Specific weight of materials, self-weight of construction works and imposed loads on buildings

General information

40.20     Mar 2, 2023

40.60    Jun 8, 2023



European Standard



(1) EN 1991-1-1 gives rules on the following aspects related to actions, which are relevant to the structural design of buildings and civil engineering works including some geotechnical aspects:
- specific weight of construction materials and stored materials;
- self-weight of construction works;
- imposed loads for buildings.
(2) Mean values for specific weight of specific construction materials, additional materials for bridges, stored materials and products are given. In addition, for specific materials and products the angle of repose is provided.
(3) Methods for the assessment of the characteristic values of self-weight of construction works are given.
(4) Characteristic values of imposed loads are given for the following areas in buildings according to the category of use:
- residential, social, commercial and administration areas;
- areas for archive, storage and industrial activities;
- garage and vehicle traffic areas (excluding bridges);
- roofs;
- stairs and landings;
- terraces and balconies.
NOTE The loads on traffic areas given in this standard refer to vehicles up to a gross vehicle weight of 160 kN. Further information can be obtained from prEN 1991-2:2021.
(5) Characteristic values of horizontal loads on parapets and partition walls acting as barriers are provided.
NOTE Forces due to vehicle impact are specified in EN 1991-1-7 and prEN 1991-2:2021.
1.2 Assumptions
(1) The general assumptions of FprEN 1990:2022 apply.
(2) EN 1991-1-1 is intended to be used with EN 1990, the other Parts of EN 1991 and the other Eurocode parts for the design of structures.

Life cycle


БДС EN 1991-1-1:2004


prБДС EN 1991-1-1:2023
40.20 DIS ballot initiated
Mar 2, 2023

Related project

Adopted from prEN 1991-1-1 IDENTICAL


Аn opinion on draft and published standards at national, European and international level can be given at stage 40.20 Public Enquiry, 90.20 Systematic review and 95.20 Proposal for withdrawal for pure national standards.

The members of technical committees with active participation have the obligation to vote on drafts at stage 30.20 Committee voting and 50.20 Formal Vote as well.

An opinion on the document can be submitted by clicking on the "Login" button, if you have an account. If you do not have an account, you need to click on the "Login" button, then register by creating your account and return to this draft/standard.