Construction Labour Measurement in Reinforced Concrete Floating Caissons in Maritime Ports
DOI:
https://doi.org/10.28991/CEJ-2022-08-02-01Keywords:
Concrete Caisson, Floating Caissons, Caissons Breakwaters, Sliding Concreting, Construction.Abstract
This research work attempts to approach the measuring of the working equipment necessary to make floating caissons for maritime work and their performances. With this objective, an empirical study has been carried out based on the construction of five floating caissons with a rectangular layout of 34.00 meters in length, 17.00 meters in width, and 19.00 meters in depth, lightened with 32 vertical cells. This work was carried out in the port of Granadilla, Tenerife (Spain). The updated scientific literature related to the execution of this type of floating structure refers to the importance of the calculation hypotheses, the actions to be taken into account, the service states or the importance of the choice of materials (concrete and steel). However, scientific research does not seem to face the problem of how to size the working team necessary to execute this type of structure. The work force is approached from the point of view of the adequate sizing of working groups. The important contribution of the article to the project and construction management literature is the development and capability of an easy-to-use optimization model for planning the labour and labour days required in floating caisson construction. The optimization model proposed in this research allows the project managers of a construction company to estimate the labour costs and teams necessary in the execution of the construction. This gives it a competitive advantage both in the construction phase and in the bidding phase for the award of the work.
Doi: 10.28991/CEJ-2022-08-02-01
Full Text: PDF
References
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[3] Goda, Y. (2010). Random seas and design of maritime structures (3rd Edition). In Random Seas and Design of Maritime Structures (3rd Edition). World Scientific. doi:10.1142/7425.
[4] Gedda, A. B., Manu, & Rao, S. (2019). A Review on Stability of Caisson Breakwater. In Water Resources and Environmental Engineering I (pp. 83–88). doi:10.1007/978-981-13-2044-6_8.
[5] Franco, L. (1994). Vertical breakwaters: the Italian experience. Coastal Engineering, 22(1–2), 31–55. doi:10.1016/0378-3839(94)90047-7.
[6] Negro Valdecantos, V., & Valera Carnero, O. (2002). Diseño de Diques Verticales (2a Ed.), Spain.
[7] Jun, D. H., & El-Rayes, K. (2010). Optimizing the utilization of multiple labor shifts in construction projects. Automation in Construction, 19(2), 109–119. doi:10.1016/j.autcon.2009.12.015.
[8] Liu, S. S., & Wang, C. J. (2007). Optimization model for resource assignment problems of linear construction projects. Automation in Construction, 16(4), 460–473. doi:10.1016/j.autcon.2006.08.004.
[9] Arashpour, M., Kamat, V., Bai, Y., Wakefield, R., & Abbasi, B. (2018). Optimization modeling of multi-skilled resources in prefabrication: Theorizing cost analysis of process integration in off-site construction. Automation in Construction, 95, 1–9. doi:10.1016/j.autcon.2018.07.027.
[10] Gopal, T. S. R., & Murali, K. (2015). A critical review on factors influencing labour productivity in construction. IOSR Journal of Mechanical and Civil Engineering, 12(5), 47-51.
[11] Agrawal, A., & Halder, S. (2020). Identifying factors affecting construction labour productivity in India and measures to improve productivity. Asian Journal of Civil Engineering, 21(4), 569–579. doi:10.1007/s42107-019-00212-3.
[12] Van Tam, N., Quoc Toan, N., Tuan Hai, D., & Le Dinh Quy, N. (2021). Critical factors affecting construction labor productivity: A comparison between perceptions of project managers and contractors. Cogent Business and Management, 8(1). doi:10.1080/23311975.2020.1863303.
[13] Dixit, S., Mandal, S. N., Thanikal, J. V., & Saurabh, K. (2019). Evolution of studies in construction productivity: A systematic literature review (2006–2017). Ain Shams Engineering Journal, 10(3), 555–564. doi:10.1016/j.asej.2018.10.010.
[14] Dixit, S., Pandey, A. K., Mandal, S. N., & Bansal, S. (2017). A study of enabling factors affecting construction productivity: Indian scnerio. International Journal of Civil Engineering and Technology, 8(6), 741–758.
[15] Dai, J., Wang, C. M., Utsunomiya, T., & Duan, W. (2018). Review of recent research and developments on floating breakwaters. Ocean Engineering, 158, 132–151. doi:10.1016/j.oceaneng.2018.03.083.
[16] Diaz-Hernandez, G., Losada, I. J., & Mendez, F. J. (2017). Improving construction management of port infrastructures using an advanced computer-based system. Automation in Construction, 81, 122–133. doi:10.1016/j.autcon.2017.06.020.
[17] Puertos del Estado. "Manual para el diseño y la ejecución de cajones flotantes de hormigón armado para obras portuarias” (2006). Available online: http://www.puertos.es/es-es/BibliotecaV2/CAJONES.pdf (accessed on 23 June 2021).
[18] Mohd. Muzzammil, javed Alam, M. Z. (2015). An Optimization Technique for Estimation of Rating Curve Parameters. National Symposium on Hydrology, 234–240, New Delhi, India.
[19] Martin-Dorta, N., Pérez-Díaz, P., & Gutiérrez-García, F. J. Spreadsheet of Optimization Model for the manufacture of vertical caissons. Available online: https://bit.ly/3xM6DL8 (accessed on 24 October 2021).
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