Allowable Strength Design LRFD: Load and Resistance Factor Design

76 Pages·2016·3.53 MB·English

Advances on structural design with timber in Uruguay:
Towards a proposal for a National Annex to Eurocode 5
Presenter:
Vanesa Baño
Andrea Cardoso
Leandro Domenech
Gonzalo Cetrangolo
Corresponding author: Hugo O’Neill
[email protected] Laura Moya
1. Uruguayan forestry
Uruguayan forestry
The Uruguayan forestry sector
has had a significant increase in
wood volume during the
last thirty years as a result of a
government policy to promote
forest plantations
1. Uruguayan forestry
Uruguayan forestry
The Uruguayan forestry sector
has had a significant increase in
wood volume during the
last thirty years as a result of a
government policy to promote
forest plantations
The main industrial use of
eucalyptus species is the
production of pulp, while pine
and part of the eucalyptus are
used for construction products
1. Uruguayan forestry
Uruguayan forestry
An important volume of wood
(1.7 million m3 of pine and 0.4
million m3 of eucalyptus) have
not current industrial destination
1. Uruguayan forestry
Uruguayan forestry
An important volume of wood
(1.7 million m3 of pine and 0.4
million m3 of eucalyptus) have
not current industrial destination
The Uruguayan government has
impulse the incorporation of
timber for structural use, which
implies the need for a national
system of codes for timber
products and for design and
construction with timber
2. Design process 2.1. Stages in structural design
Design process of a structure
Structural planning
Definition of external loads
Determination of internal forces
Design of structural members
Detailing, drawing and
preparation of schedules
2. Design process 2.1. Stages in structural design
Design process of a structure
Structural planning
Definition of external loads
Design codes
Determination of internal forces
Design of structural members
Detailing, drawing and Introduction
preparation of schedules of security
2. Design process 2.1. Stages in structural design
Design process of a structure
Structural planning
Definition of external loads
Design codes
Determination of internal forces
ASD
Design of structural members
or
Detailing, drawing and Introduction LRFD
preparation of schedules of security
2. Design process 2.2. ASD and LRFD methods
ASD and LRFD methods
ASD:
Allowable Strength Design
LRFD:
Load and Resistance Factor Design