Study the object of this topic is based on the grand canal Shao Bo lake section of waterway dredging project schedule control the whole process of research,analysis and design,the content of the construction schedule management,using the method of schedule management,combining with the management theory of waterway dredging engineering key items for units in the execution of the project,reasonable control cost and quality of the project,effective restriction,influence,coordination project construction management link in the late.In this way,the overall progress of dredging project can be guaranteed and the project can be delivered successfully.The main research contents of this paper are as follows:1.Use the literature research method to briefly describe the theories,methods and research results of schedule management at home and abroad.Through comparative analysis,the process and application of the key chain project progress management method in the progress management method are deeply analyzed.Shao Bo lake section 2,the use of hangzhou canal waterway dredging engineering case,introduces the critical chain theory and the basic ideas,clarify the connotation of the critical chain method,and on this basis,combining with many big projects environment complexity and uncertainty factors should be considered in plan more than single project characteristics,constructed based on the critical chain technology Shao Bo lake area of hangzhou canal waterway dredging engineering project schedule management model,3.From the perspective of the overall interests of the project,on the basis of comprehensive consideration of the duration of the project,according to the guidance of the key chain,combined with the practical situation of resources,find out the bottleneck-constrained resources that affect the project schedule;Then,the priority coefficient of activities is calculated according to the amount of resource demand,demand intensity and the amount of activities before and after tightening,and the key chain of multiple projects is confirmed according to the criterion of the critical path method,so as to balance and coordinate the resource conflicts caused by bottleneck resources among projects.In view of many uncertain problems in project schedule management,the buffer size is determined by combining the position weight coefficient and risk elasticity coefficient of each process in the critical path.4.The model was successfully applied to the dredging project of Shaobo Lake section of The Beijing-Hangzhou Canal,and a number of key chains and buffer zones were obtained through the calculation results.The project duration was optimized while resources were effectively utilized,which verified the effectiveness of the above methods.In this paper,the key chain management method in the project schedule management is used to study the schedule management of the channel dredging project in Shaobo Lake section of The Beijing-Hangzhou Canal.It is hoped that this study can provide help and reference for other projects,especially the channel dredging project,in project schedule optimization or resource management allocation. |