Abstract
The tower crane is an electromechanical equipment that is used for the vertical transport of materials in a construction project and together with the two riggers form the work team to carry out this task. One of the main problems in the construction of multifamily buildings corresponds to the use of the tower crane because vertical transport causes non-contributory times, which is, dead times and waits above expectations. This research analyzes the current vertical transport process and proposes its optimization through some management tools with the aim of improving the productivity of the use of the tower crane by reducing non-contributory times. To this end, the productivity of the work team is recorded in several projects with similar characteristics, then the main problems are selected to analyze them and finally the process is optimized. The results determined that non-contributory times can be reduced by 10% if there is an orderly and continuous process.
Highlights
The tower crane, being a heavy equipment in construction, must justify its cost by optimizing its use; it should be used optimally in construction works in order to make construction processes fast and safe, to obtain an improvement in productivity.The literature on the productivity and operation of the tower crane is extensive
The tower crane is an electromechanical equipment that is used for the vertical transport of materials in a construction project and together with the two riggers form the work team to carry out this task
One of the main problems in the construction of multifamily buildings corresponds to the use of the tower crane because vertical transport causes noncontributory times, which is, dead times and waits above expectations
Summary
The tower crane, being a heavy equipment in construction, must justify its cost by optimizing its use; it should be used optimally in construction works in order to make construction processes fast and safe, to obtain an improvement in productivity. The literature on the productivity and operation of the tower crane is extensive. [1] Construction information modeling (BIM) is used to position the tower crane at construction sites with repetitive operations. The results show that overlapping activities and coupling advance planning balances the demand for work and reduces the duration of the tower crane process. [3] An agent-based simulation model is proposed to quantitatively assess the effect of the conflict over time and the overall costs of tower crane operations. An adaptive monitoring controller is proposed to deal with the uncertainties of external disturbances, which is implemented through experimental tests. [5]
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