Rak-43.3121 Wood Structures II (4 cr) Study overview 2015 Learning Outcomes Content Study Methods Workload Hannu Hirsi & Joonas Jaaranen
PuuRakArk / WoodConstArch: Structural technology Architecture Wood technology HPAC, production technologies, logistics, construction economy
Orientation base for students : Wood Structures II Structural systems Structures Joints Processes: design, manufacturing, assembly, maintanance Industrial wooden products Hygroskopic, viscoelastic ja orthotropic wood. Specially the strength, stiffness and fire resistance of structures.
Qualification of designer of timber structures in Finland: Yhteinen johdanto rakenteiden suunnitteluun : R901 - O moduuli Rak-43.1215 Rakenteiden suunnittelun ja mitoituksen per. 4 op Materiaalikohtainen, puurakenteiden suunnittelu ja mitoitus : R201-2 jatkomoduuli Rak-43.2300 Puurakenteet I 3 op Vaatimukset : - suunnittelukursseja AA - luokassa 10,5 op A-luokassa 7 op - rakenteiden mekaniikkaa AA - luokassa 21 op. R201-3 syventävä moduuli R325 - C erikoismoduuli Rak-43.3121 Wood structures II Rak-43.3155 Erikois- ja projektityö aiheena puurakenteet. 4 op 4-8 op Yhteinen rakennusten rakennetekninen suunnitteluopetus : R201-3 syventävä moduuli Rak-43.3001 Rakennuksen rungon suunnittelu I 6 op R325 - C erikoismoduuli Rak-43.3160 Rakennuksen rungon suunnittelu II 4 op
Study process : 1. Lectures, - Theory and - Examples. 1. Execises. 2. Homeworks. 3. Laboratory demonstrations. 4. Excursions. Multi-storey office buildings Commercial buildings Rowhouses Agriculture buildings Not in focus Not in focus Small apartment houses Multi-storey apartment houses Main focus Industrial buildings Sport halls
Learning Outcomes : Understands how the structure of wood reflects in its structural properties. Knows the wood-based structural products and how to use them in structural systems. Comprehends the design principles of large timber buildings and their structural components. Understands the design principles of joints in wood structures. Understands the value of architectural and building physical design of wooden buildings. Understands the fire-safety of timber structures.
Goal for everybody autumn 2011 -, Analysis of structural system (prof Jari Puttonen) : 1. Drafting and design. P A R T S Loads Load bearing structures Joints and connections Stability 2. Modelling. 3. Analysing. 4. Design of joints.
Lectures, period I Friday 8.15 10.00 : 11.09. Introduction : Goal, content, studies. Special features of wood and timber structures. Advanced wood structures. 18.09. Sawn timber and GL timber : Structural systems. Curved structures, arches. Notches and holes. Connections. Specially in large halls. Composite structures. 25.09. Prof. Pekka Heikkinen ; Wood and architecture : - History. Respect. Inspiration. - Components, connections, industrial solutions. - Rules, control, architecture. 02.10. Plywood, LVL, CLT : Plates. Stabilizing plate structures Sandwich structures. Connections. Specially in multi-storey houses.
Lectures continues... 09.10. Space Trusses and Beam Shells : Modelling, analysis. Beam shells and plate shells. Folded structures. New cases ; Shanghai and Halti. 23.10. Mechanical joints : - Dowel theory by Johansen. Expanded theory of EC5. - Notched Joints of Wood. 06.11. Stability of wooden buildings : - Construction face <=> end product. - Masts, plates and trusses. Bridges. - Vibrations. 13.11. Fire-resistance. - Load-bearing capacities under fire. - Fire compartments. - Fire-resistance of joints. 20.11. Seminar I : Curved beams. 27.11. Seminar II : Multi-storey wooden houses.
Exercises, period I and II : 1. Exercises, period I and II : Voluntary. 2. Homeworks, period I and II : Obligatory 3 pcs ja optional 2 pcs. Possible to get + 4 points to examination. 3. Laboratory demonstrations, period II : Voluntary, connected to composite structures. 4. Excursion : Voluntary, HALTIA-nature center, Kivistö multi-storey house. 5. Seminars, period I and II : Seminar I : Long span curved beams. Seminar II : Multi-storey wooden houses and their stability. Seminar III : Composite Wood-Concrete structutres. Seminar IV : Wooden shell structures. (Seminar V : Wood Timber Bridges.) Fulfillments are valid 1 year.
Laboratory demonstrations 2015 : 1. Demonstration of Joints in composite structures. 2. Demonstration of concrete wood composite structure Demo 1 Demo 2
Homeworks: 1. Homework I: Curved beams Obligatory 2. Homework II: Timber-Concrete composite slab Obligatory 3. Homework III: Stability of multi-storey CLT house Obligatory 4. Homework IV (extra): Analysis and preliminary design of wooden shell Voluntary Each homework is scored on the scale from 0 to 1. 0 = Not returned or many major mistakes 0,5 = Some major mistakes 1 = Only few minor mistakes Sum of the points from the homework will be added to exam score. All obligatory homework must be passed to pass the course. Extra homework can be used to compensate one failed homework.
Workload : 1. Lectures : 18 h 2. Execises : 10 h 3. Homeworks : 18 h 4. Laboratory demonstrations : 4 h 5. Excursion : 4 h 6. Seminar works : 12 h 7. Examination : 4 h guided independent 70 h 37 h