빅데이터 기반 건설업 사고재해와 실외 열쾌적성의 상관관계 분석 :Analysis of the relationship between construction accident and outdoor thermal comfort using big data

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자료유형: 학위논문

저자정보: 이민수 (서울과학기술대학교, 서울과학기술대학교 대학원)

지도교수: 정재욱

발행연도: 2022

저작권: 서울과학기술대학교 논문은 저작권에 의해 보호받습니다.

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2022

빅데이터 기반 건설업 사고재해와 실외 열쾌적성의 상관관계 분석

이민수 2022.01 학위논문

빅데이터 기반 건설업 사고재해와 미세먼지 농도의 상관관계 분석

이민수 , 정재민 , 정재욱 외 1명 대한건축학회논문집 2022.01 학술저널

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제 목 : 빅데이터 기반 건설업 사고재해와 실외 열쾌적성의 상관관계분석
건설업은 실외에서 많은 작업이 이루어지는 산업으로 건설 근로자는 작업당일의 기후에 많은 영향을 받을 수 있다. 해당 연구 분야의 선행연구 분석 결과 폭염, 혹한 등의 특정 기후에 초점을 맞추어 진행한 연구가 많았다. 폭염은 열사병, 탈진 등을 일으키며, 혹한은 피로, 요통, 긴장 등을 유발한다. 그러나 다른 기상조건도 사고 사망 및 부상재 해에 원인이 될 수 있다. 이에 따라 본 연구는 PET 지수 개념을 바탕으로 불확실성 분 석을 통해 건설업에서의 사고 사망 및 부상재해와 기상조건의 상관관계를 분석하였다.추가적으로 PET 요인 중 환경요인에 대해 인공신경망 분석을 실시하여 변수의 중요도를 분석하였다. 본 연구는 1. 데이터 수집 및 분류, 2. 실외 열쾌적성 계산, 3. 열쾌적성기반 사고재해 불확실성 분석, 4. 열쾌적성 기반 건설업 사고재해 변수 중요도 분석 순서로 4단계로 진행되었다. 분석은 사고 사망재해 6,736건 및 사고 부상재해 데이터207,802건을 수집하여 진행하였다. 그 결과 ‘떨어짐’재해가 총 74,660건으로 가장 많은 재해유형으로 분석되었으며 가을에 가장 많이 발생한 것으로 분석되었다. ‘떨어짐’재해의 불확실성 분석결과 PET 지수 비쾌적구간에서 사고 사망 및 부상재해가 발생할 확률은 각각 약 86%, 85%로 분석되었다. PET 지수 환경요인의 변수 중요도 평가결과 기온이 가장 많은 영향을 미치는 것으로 분석되었다.
본 연구는 주로 보건관리적측면에서 다루어지던 환경요인 및 열쾌적성의 영향이 건설 사고재해 발생에도 유의한영향이 있음을 확인하였다는 측면에서 기여점이 있으며 또한 날씨 조건을 고려한 안전관리에 대한 데이터베이스 데이터를 제공할 수 있다.

Abstract
Analysis of the relationship between construction accident and outdoor thermal comfort using big data

Lee, Min Su
(Supervisor Jeong, Jae Wook)
Dept. of Safety Engineering
The Graduate School
Seoul National University of Science and Technology

Fatal injury and accidents in the construction industry occur under the influence of outdoor weather conditions such as temperature, humidity and wind speed in all four seasons. Previous research in this area has focused on hot and cold weather conditions: hot weather causes heat rash, heat cramps and heat fainting, while cold weather causes fatigue, lumbago, and cold finger sensations. However, other weather conditions are also associated with, and cause, fatal injury and accidents. Accordingly, this study analyzes injury and fatal accidents in the construction industry based on the physiological equivalent temperature (PET) as it pertains to thermal comfort using an uncertainty analysis. Furthermore, using a neural network, relative importance is analyzed considering injury and fatal accidents. This study is conducted in six steps: 1. Establishment of the
database and classification of accident types, 2. Calculation of the thermal comfort, 3. Analysis of the fatal and injury accidents cased on thermal comfort, 4. Calculation on the relative importance based thermal comfort affecting fatal and injury accidents, 5. Analysis of Relative Frequency on accidents by PET index, 6.Correlation analysis between construction accidents and PET index. Via the research process, 6,736 fatal accidents and 207,802 injuries are analyzed according to 18 accident types in all seasons. As a result, ''fall'' category were analyzed as the most frequent disaster type with a total of 74,660 cases, and it was analyzed that the most occurred in the autumn. As a result of the uncertainty analysis of the ''fall'' disaster, the probability of death and injury in the discomfort range of the PET index was analyzed to be 55% and 60%, respectively, As a result of evaluated the variable importance of environmental factors in the PET index, it was analyzed that temperature had the most influence. As a result of the Relative Frequency analysis from the cold range to the comfort range of the PET index, the Relative Frequency increased as the PET index decreased, and as a result of the correlation analysis, a high negavice correlation between the PET index and the Relative Frequency was confirmed at ?0.768. This study has a contribution in that it was confirmed that environmental factors and thermal comfort effects, which were mainly deal with in terms of health management, had a significant effect on the occurrence of construction fatal and injury accidents, and can provide database data on safety management considering weather conditions.

#실외 열쾌적성 #Physiologically Equivalent Temperature #construction #accident

목 차
요약 ··································································································································ⅰ
표목차 ······························································································································ⅳ
그림목차 ··························································································································ⅳ
기호설명 ··························································································································ⅵ
I. 서 론 ······························································································································1
1.1 연구의 배경 및 목적 ·································································································1
II. 선행연구 분석 ·············································································································2
2.1 연구의 분석 및 차이점 ·····························································································2
III. 연구방법 ······················································································································4
3.1 데이터 수집 및 분류 ·································································································4
3.2 실외 열쾌적성 계산 ·································································································7
3.3 열쾌적성 기반 사고재해 불확실성 분석 ·································································9
3.4 열쾌적성 기반 건설업 사고재해 변수 중요도 분석 ·······································10
IV. 연구 결과 ················································································································11
4.1 실외 온열쾌적성 기반 사고 사망 및 부상재해 분석 ··········································11
4.2 월별 건설업 사고재해 발생 현황 ·······································································12
4.3 건설업 재해 근로자 열쾌적성 계산 ···································································13
4.4 열쾌적성 기반 사고 사망 및 부상재해 불확실성 분석 ·································22
4.5 PET 환경요인의 상대적 중요도 분석 ·······························································29
V. 토 의 ··························································································································30
Ⅵ. 결 론 ·························································································································31
참고문헌 ··························································································································33
영문초록(Abstract) ······································································································· 36
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