Assigning construction tasks among a group of workers with respect to minimizing total work risk on the base of DOISIS-MODEL

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MAYSAMI ALI MOHAMMAD; SALMANZADEH HAMED

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Journal: Iran Occupational Health Year:2017 | Volume:13 | Issue:6 Page(s): 98-104

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Title

Assigning construction tasks among a group of workers with respect to minimizing total work risk on the base of DOISIS-MODEL

Author(s)

MAYSAMI ALI MOHAMMAD | SALMANZADEH HAMED | Issue Writer Certificate

Keywords

Assigning construction tasks among a group of workers with respect to minimizing total work risk on the base of DOISISQ3

MODELQ2

Abstract

Background and aims: Evaluation of physical pressure during different working conditions is one of the important and applicable aspects of human factors engineering at industrial and construction environments. Accurate calculation of physical pressure helps to improve working condition and status of workers. One of the challenges that experts faced with is the optimal assignment of human resources to the diverse tasks with respect to physical features of them. Methods: In this study, we chose 9 casual construction works to clarify our subject. Then we measure the pressure on lumbar area for all people during different position. In order to measuring the pressure, we assume average time that each person be in the different position in a single shift. After that we calculate work risks by means of Chaffin and Doisis MODEL. At the next step in order to assign work to workers we use a linear programming MODEL at which the cost of assignments is equal to work risks and the objective function is to minimize total work risk. Finally, by solving the MODEL, best assignment is achieved. Results: Since we choose 5th percentiles to 95th percentiles anthropometric features, we find out that by increasing height and weight, the risk of all works increases too. However, by means of proposed method, we can make a decision that minimizes person’ s work risk. Conclusion: Persons that has higher anthropometric features are not suitable for these kinds of construction works and their risk increases up to 20% with respect to other ones. Also using mentioned method for decreasing total work risk among people is made benefits.

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APA: Copy

MAYSAMI, ALI MOHAMMAD, & SALMANZADEH, HAMED. (2017). Assigning construction tasks among a group of workers with respect to minimizing total work risk on the base of DOISIS-MODEL. IRAN OCCUPATIONAL HEALTH JOURNAL, 13(6 ), 98-104. SID. https://sid.ir/paper/128962/en

Vancouver: Copy

MAYSAMI ALI MOHAMMAD, SALMANZADEH HAMED. Assigning construction tasks among a group of workers with respect to minimizing total work risk on the base of DOISIS-MODEL. IRAN OCCUPATIONAL HEALTH JOURNAL[Internet]. 2017;13(6 ):98-104. Available from: https://sid.ir/paper/128962/en

IEEE: Copy

ALI MOHAMMAD MAYSAMI, and HAMED SALMANZADEH, “Assigning construction tasks among a group of workers with respect to minimizing total work risk on the base of DOISIS-MODEL,” IRAN OCCUPATIONAL HEALTH JOURNAL, vol. 13, no. 6 , pp. 98–104, 2017, [Online]. Available: https://sid.ir/paper/128962/en

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