Hoofdstuk 1 Krachten ................................................................................ 2 1.1 Begrippen ...................................................................................................................... 2 1.2 Het voorstellen van krachten ........................................................................................... 2 1.3 Samenstellen van krachten ............................................................................................. 3 1.3.1 1.3.2 1.3.3 1.3.4 1.3.5
Resultante van krachten .......................................................................................................................... 3 Samenstelling van 2 krachten met zelfde aangrijpingspunt ........................................................................ 3 Samenstelling van 2 samenlopende krachten met verschillend aangrijpingspunt, die in ĂŠĂŠn vlak liggen. ........ 4 Samenstelling van 2 evenwijdige krachten met zelfde richting .................................................................... 4 Samenvatting ......................................................................................................................................... 5
1.4 Ontbinden van krachten.................................................................................................. 6
Hoofdstuk 2 Momentenstelling .................................................................. 9 Hoofdstuk 3 Opleggingen en belastingen ................................................ 11 3.1 Opleggingen ................................................................................................................ 11 3.1.1 3.1.2 3.1.3 3.1.4
Soorten verbindingen .............................................................................................................................11 De roloplegging .....................................................................................................................................11 De scharnieroplegging ...........................................................................................................................12 De inklemming ......................................................................................................................................13
3.2 De evenwichtsvoorwaarden .......................................................................................... 14 3.3 Belastingen .................................................................................................................. 16 3.3.1 3.3.2 3.3.3 3.3.4 3.3.5
Soorten belastingen ...............................................................................................................................16 Verdeelde belastingen ............................................................................................................................17 Belasting per oppervlakte-eenheid ..........................................................................................................18 Belasting per lengte-eenheid ..................................................................................................................18 Tabellen ................................................................................................................................................18
Hoofdstuk 4 Elasticiteitsmodulus en de Wet van Hooke.......................... 23 4.1 Spanning ..................................................................................................................... 23 4.2 Begrippen .................................................................................................................... 23 4.2.1 4.2.2 4.2.3 4.2.4 4.2.5
Evenredigheidsgrens ..............................................................................................................................24 Elasticiteitsgrens ....................................................................................................................................24 Vloeigrens .............................................................................................................................................24 Breekspanning .......................................................................................................................................24 Elasticiteitsmodulus................................................................................................................................24
4.3 Wet van Hooke ............................................................................................................ 25
Hoofdstuk 5 Trek en druk in hout ............................................................ 27 5.1 Grenswaarde van de spanning, veiligheidsfactor ............................................................. 27 5.2 Aard van de belasting ................................................................................................... 27
Deel 2: Stabiliteit
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