Praktiske forekommende ruheder i afløbssystemer - Dansk Beton

Praktisk forekommende ruheder I afløbssystemer 2
Indholdsfortegnelse
1 INDLEDNING.......................................................................................................................3
2 ENERGITAB I AFLØBSSYSTEMER ...............................................................................4
2.1 STRØMNINGSTAB .............................................................................................................4
2.2 VURDERING AF STRÆKNINGSRUHEDENS BETYDNING .......................................................6
2.3 ENKELTTAB......................................................................................................................7
2.4 OPERATIONEL FORMULERING AF TERMINOLOGI ...............................................................7
3 BESTEMMELSE AF RUHEDER/MÅLINGER ...............................................................9
4 LITTERATURSTUDIE......................................................................................................10
4.1 INDSAMLING AF INFORMATION.......................................................................................10
4.2 RESUME AF INDSAMLET MATERIALE ..............................................................................10
4.2.1 Undersøgelser af ruheder......................................................................................10
4.2.2 Afrapporterede litteraturstudier............................................................................12
4.2.3 Lærebøger .............................................................................................................13
4.2.4 Spørgeskemaundersøgelser...................................................................................14
4.3 PRAKSIS OG ANBEFALINGER I FORSKELLIGE LANDE........................................................15
4.3.1 Danmark................................................................................................................15
4.3.2 England .................................................................................................................15
4.3.3 Andre lande ...........................................................................................................17
4.4 SYSTEMATISERING AF INDSAMLET INFORMATION ..........................................................18
5 KONKLUSION ...................................................................................................................21
6 REFERENCER ...................................................................................................................23
Bilag 1 Liste over litteratur stillet til rådighed af rørproducenterne
Bilag 2 Rundspørge
December 2001 PH-Consult