Analysis of distribution rule of morbidity phenomena in construction project in China

In order to open out the distribution rule of morbidity phenomena in construction projects, a large amount of information about morbidity phenomena has been investigated and 571 project managers in 33 construction companies are visited. According to the investigation results, all kinds of morbidity phenomena and its frequencies are summed up; their primary and secondary relationships and distribution rules in every stage are described by means of statistics. And then, their characteristics are explained. Third, through the mathematic characteristic analysis of morbidity phenomena, the distribution of all morbidity phenomena in construction projects is also described according to sub-sample capacitances of all morbidity phenomena in four stages. It shows that the research result would be an useful and confirmatory evidence for project managers forecasting project problems, making project plan and optimizing project resources, as well as controlling whole project state.