TY  - CHAP
A1  - Heinrich, Timo
A1  - Huhnt, Wolfgang
T1  - Determination of Effects of Modefications during Planning Processes
N2  - Usually, the co-ordination of design and planning tasks of a project in the construction industries is done in a paper based way. Subsequent modifications have to be handled manually. The effects of modifications cannot be determined automatically. The approach to specify a complete process model before project start does not consider the requirements of the construction industries. The effort of specification at the beginning and during the process (modifications) does not justify the use of standard process model techniques. A new approach is presented in the according paper. A complete process model is deducted on the basis of a core. The core consists of process elements and specific relations between them. Modifications need to be specified in the core only. The effort of specification is therefore reduced. The deduction of the complete process is based on the graph theory. Algorithms of the graph theory are also used to determine the effects of modifications during project work.
KW  - CAD
KW  - Prozessmodell
KW  - Änderung
Y1  - 2003
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:gbv:wim2-20111215-3065
ER  - 
TY  - CHAP
A1  - Huhnt, Wolfgang
T1  - Progress Measurement in Planning Processes on the Base of Process Models
N2  - This paper presents a specific modeling technique that is focused on preparing planning processes in civil engineering. Planning processes in civil engineering are characterized by some peculiarities so that the sequence of planning tasks needs to be determined for each planning project. Neither the use of optimized partial processes nor the use of lower detailed and optimized processes guarantee an optimal overall planning process. The modeling technique considers these peculiarities. In a first step, it is focused on the logic of the planning process. Algorithms based on the graph theory determine that logic. This approach ensures consistency and logical correctness of the description of a planning process at the early beginning in its preparation phase. Sets of data – the products of engineers like technical drawings, technical models, reports, or specifications – form the core of the presented modeling technique. The production of these sets of data requires time and money. This is expressed by a specific weighting of each set of data in the presented modeling technique. The introduction of these weights allows an efficient progress measurement and controlling of a planning project. For this purpose, a link between the modeling technique used in the preparation phase and the execution phase is necessary so that target and actual values are available for controlling purposes. The present paper covers the description of this link. An example is given to illustrate the use of the modeling technique for planning processes in civil engineering projects.
KW  - Baubetrieb
KW  - Computerunterstütztes Verfahren
KW  - Prozessmodell
KW  - Bauablauf
Y1  - 2004
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:gbv:wim2-20111215-1664
ER  -