basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact:procedure
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basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact:procedure [2016/08/16 13:21] – mschueren | basics:building_physics_-_basics:thermal_bridges:tbcalculation:ground_contact:procedure [2019/02/21 10:20] (current) – cblagojevic | ||
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The ground especially is taken into account in the calculation in different ways: | The ground especially is taken into account in the calculation in different ways: | ||
- | * taking into account | + | * taking into account the ground as a material |
- | * partial taking into account | + | |
+ | * partial taking into account the ground with small layers of earth or with small blocks of earth in the calculation models | ||
* no depiction of the ground, in a similar way to calculations of regular thermal bridges towards the air | * no depiction of the ground, in a similar way to calculations of regular thermal bridges towards the air | ||
+ | |||
* or the ground is depicted | * or the ground is depicted | ||
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* The ground must be depicted with the same length for the x and y directions in both calculation models with at least five or six times the floor slab length (see illustration). | * The ground must be depicted with the same length for the x and y directions in both calculation models with at least five or six times the floor slab length (see illustration). | ||
+ | |||
* The external dimensional reference applies for the floor slab length (in contrast to the DIN EN ISO 10211). This is recommended for a length of 4 metres. | * The external dimensional reference applies for the floor slab length (in contrast to the DIN EN ISO 10211). This is recommended for a length of 4 metres. | ||
+ | |||
* For calculation of the additional conductances, | * For calculation of the additional conductances, | ||
+ | |||
* The block of earth must exhibit adiabatic boundary conditions at the interfaces. | * The block of earth must exhibit adiabatic boundary conditions at the interfaces. | ||
basics/building_physics_-_basics/thermal_bridges/tbcalculation/ground_contact/procedure.1471346495.txt.gz · Last modified: 2016/08/16 13:21 by mschueren