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Constructions of Large-panel Buildings in Vilnius

Lector Vijoleta Sulciene SuReReEnMaHo , 01-16/04/2013, VILNIUS, LT . Constructions of Large-panel Buildings in Vilnius. Vilnius city plan. Total number of flats: 1.3 Mio in Lithuania. Number of flats in multi-family buildings: 800,000 Number of flats per 1000 inhabitants: 385

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Constructions of Large-panel Buildings in Vilnius

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  1. Lector VijoletaSulcieneSuReReEnMaHo, 01-16/04/2013, VILNIUS, LT Constructions of Large-panel Buildings in Vilnius ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  2. Vilnius city plan ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  3. Total number of flats: 1.3 Mio in Lithuania. • Number of flats in multi-family buildings: 800,000 • Number of flats per 1000 inhabitants: 385 • Ownership share: 97% • Structure of buildings by years: 26% built before 1960 65% – 1960–1990 9% – after 1990 ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  4. The building chosen for the project is 5 storey residential building erected in 1968 in prefabricated concrete elements, containing 30 apartments. ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  5. Zirmunu str. 116 The concept of large-panel buildings includes those buildings where the majority of structural components are standardized and produced in plants in a location away from the building, and then transported to the site for assembly. These components are manufactured by industrial methods based on mass production in order to build a large number of buildings in a short time at low cost. This type of construction requires a restructuring of the entire conventional construction process to enable interaction between the design phase and production planning in order to improve and speed up the construction. One of the key premises for achieving that objective is to design buildings with a regular configuration in plan and elevation. ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  6. Large-panelsystems Urban residential buildings of this type are usually five to ten stories high. Many countries used various precast building systems during the second half of the 20th century to provide low-income housing for the growing urban population. They were very popular after the Second World War, especially in Eastern European countries and former Soviet Union republics. Depending on the load-bearing structure, precast systems can be divided into the following categories: • Large-panelsystems • Framesystems • Slab-columnsystemswithwalls • Mixedsystems ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  7. Large-panelsystems The designation “large-panel system” refers to multistory structures composed of large wall and floor concrete panels connected in the vertical and horizontal directions so that the wall panels enclose appropriate spaces for the rooms within a building. These panels form a box-like structure. Both vertical and horizontal panels resist gravity load. Wall panels are usually one story high. Horizontal floor and roof panels span either as one-way or two-way slabs. When properly joined together, these horizontal elements act as diaphragms that transfer the lateral loads to the walls. ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  8. Depending on the wall layout, there are three basic configurations of large-panel buildings: • Cross-wall system. The main walls that resist gravity and lateral loads are placed in the short direction of the building ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  9. Depending on the wall layout, there are three basic configurations of large-panel buildings: • Longitudinal-wall system. The walls resisting gravity and lateral loads are placed in the longitudinal direction; usually, there is only one longitudinal wall. Renovation of Residential Multi-Story Apartment Blocks Within Passive House Concept and Design

  10. Depending on the wall layout, there are three basic configurations of large-panel buildings: • Two-way system. The walls are placed in both directions ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  11. Wall and floor panels Thickness: • 120 mm forinteriorwalls, • 300 mm for exterior walls, • 60 mm for floor. Length: • 2.7 m to 3.6 m (equal to the room length). In some cases, there are no exterior wall panels and the façade walls are made of lightweight concrete. Typical exterior wall panel ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  12. Installation order of wall concrete plates Doorandwindowopeningsshould be consideredwhendeterminingthelocationofjoints. The panel width next to an opening, and the panel depth over a wide opening must provide sufficientstructuralstrength to allow for the support of the panel, plus lifting and erection forces. ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  13. Wall panel construction joints Panelconnectionsrepresentthekeystructuralcomponents in these systems. Based on their location withina building, theseconnections can be classified into vertical and horizontal joints. Vertical joints connect the vertical faces of adjoining wall panels and primarily resist vertical seismic shear forces. Horizontal joints connect the horizontal faces of the djoining wall and floor panels and resist both gravity and seismic loads. Depending on the construction method, these joints can be classified as wet and dry. ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

  14. Thank you for attention  ERASMUS IP 2013 Sustainable Refurbishment, Retrofit, Energy Management in Housing

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