Productivity Prediction Using Hybrid System Dynamic And Agent-Based Simulation

Article Type:
Research Note (دارای رتبه معتبر)
Abstract:

In recent years, micro tunneling method has been developed quickly in comparison to other open excavation methods. Micro tunneling is a method for installing the pipelines, channels and underground conduits.In recent years, micro tunneling method has been developed quickly compared to other open excavation methods. In this method, hydraulic jacks are used for pipe driving with a special design. The pipes are placed behind the excavation drill, driven into the ground along with the ground excavation simultaneously. The result of this method is a flexible, impermeable and resistant structure construction pipelines. The micro tunneling method reduces the requirement number of transporting materials for operation activities and the machines traffic and devices. Too As a result, its events are reduced. According to this method, almost all the activities are performed underground. Hence, the negligible interferences are occurred with environment. Thus, the amount of environmental deterioration is very low. In some cases, performing the operation, increases the negative effects of vibrations from pipe driving and causes the problems such as settlements or swelling (heaving) of the ground surface. Upon analysis, some parameters have more influences rather than others, and some of them could be ignored due to low importance in the model. Therefore, investigating the effect of various independent parameters is important, i.e. sensitive analysis. The aim of this study is to compare the actual deformations occurred in ground surface due to behavior survey with the values of numerical modeling. In addition, this study aims to investigate the effect of various parameters on soil settlement values.

Language:
Persian
Published:
Sharif Journal Civil Engineering, Volume:34 Issue: 1, 2018
Pages:
87 to 95
https://www.magiran.com/p1853454