Assessing the Impact of Climate Comfort on Labor Productivity in Hydropower Engineering Construction in Southwest China
Abstract
:1. Introduction
2. Research Area and Methods
2.1. Research Area and Data Source
2.1.1. Research Area
2.1.2. Data Source
2.2. Methods
2.2.1. Cluster Analysis of Stations
K-Means Cluster
The Optimal Number of Clusters
2.2.2. Evaluation of Labor Productivity
Selecting the Climate Comfort Index
Process for Evaluating Labor Productivity
3. Results and Discussion
3.1. Cluster Stations and Altitude Analysis
3.2. The Spatiotemporal Variations in Climate Comfort
3.3. The Impact of CCI on Labor Productivity in Different Regions
3.4. Altitude and Climate Comfort in Altitude in Assessing Labor Productivity
4. Limitations and Implications
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
PIO2 | Partial pressure of inspiratory oxygen |
CGCQ | Chinese Hydropower Construction Quota |
CCI | Climate Comfort Index |
ET | Effective Temperature |
PET | Physiological Equivalent Temperature |
THI | Temperature Humidity Index |
WEI | Wind Effect Index |
OC | Oxygen Content |
UTCI | Universal Thermal Climate Index |
PMV-PPD | Predicted Mean Vote-Predicted Percent Dissatisfied |
WCI | wind cold index |
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Temperature–Humidity Index (THI) | Wind-Efficiency Index (WEI) | Oxygen Content (OC) | ||||
---|---|---|---|---|---|---|
Classification | Body Sensation | Classification | Body Sensation | Classification | Body Sensation | |
Relative Oxygen Content | Absolute Oxygen Content | |||||
<40 | Extremely cold and uncomfortable | <−1200 | Extremely cold wind | 21% | 271 | |
40–45 | Cold and uncomfortable | −1000–−1200 | Cold wind | |||
45–55 | Slightly cold and uncomfortable | −800–−1000 | Slightly cold wind | <19.5% | <252 | Tired and weak |
55–60 | Cool and comfortable | −600–−800 | Cool wind | |||
60–65 | Cool and very comfortable | −300–−600 | Comfortable wind | <12% | <206 | Difficulty in breathing |
65–70 | Warm and comfortable | −200–−300 | Warm wind | |||
70–75 | Rather warm and comfortable | −50–−200 | No sensible wind | <10% | <155 | Incapacitated |
75–80 | Sultry and uncomfortable | 80–−50 | Hot wind | |||
80 | Extremely sultry and uncomfortable | >80 | Uncomfortable wind |
Regions | Province | Stations (Altitude) | Mean Altitude |
---|---|---|---|
R-I | Yunnan | Baoshan (1651 m), Gongshan (1587 m), Licang (1503 m), Luxi (1706 m), Tengchong (1697 m), Zhaotong (1950 m), Dali (1992 m) | 1760 m |
Sichuan | Huli (1789 m), Xichang (1593 m), Zhaojue (2134 m) | ||
R-II | Yunnan | Weixi (2326 m), Huize (2190 m), Lijiang (2382 m) | 2440 m |
Sichuan | Batang (2590 m), Kangding (2616 m), Muli (2425 m), Xiaojin (2439 m), Yanyuan (2545 m), Maerkang (2666 m) | ||
Tibet | Chayu (2329 m), Bomi (2337 m) | ||
R-III | Yunnan | Deqin (3321 m), Xianggelila (3278 m) | 3146 m |
Sichuan | Aba (3276 m), Daofu (2959 m), Dege (3185 m), Ganzi (3395 m), Jiulong (2931 m), Songpan (2883 m), Xinlong (2999 m) | ||
Tibet | Basu (3562 m), Changdu (3316 m), Linzhi (2993 m) | ||
R-IV | Tibet | Dingqing (3874 m), Leiwuqi (3811 m), Luolong (3641 m), Milin (2951 m), Mozhugongka (3805 m), Qiongjie (3741 m), Zuogong (3781 m), Nielamu (3811 m), Zedang (3562 m) | 3677 m |
Sichuan | Daocheng (3729 m), Hongyuan (3493 m), Litang (3941 m), Ruoergai (3443 m), Seda (3896 m) | ||
R-V | Sichuan | Shiqu (4201 m) | 4192 m |
Tibet | Dangxiong (4201 m), Naqu (4508 m), Dingri (4301 m), Jiangzi (4041 m), Lazi (4001 m), Nanmulin (4001 m), Shihequan (4208 m) |
Regions | THI | WEI | OC | |||
---|---|---|---|---|---|---|
Mean | Comfort Probability (100%) | Mean | Comfort Probability (100%) | Mean | Comfort Probability (100%) | |
R-I | 59.61 ± 8.10 | 98.4% | −326.80 ± 121.30 | 100% | 226.98 ± 6.60 | 100% |
R-II | 55.15 ± 8.06 | 95.9% | −411.13 ± 135.88 | 99.3% | 213.01 ± 8.18 | 78.6% |
R-III | 49.29 ± 8.20 | 85.1% | −490.84 ± 138.65 | 99.5% | 197.54 ± 6.41 | 9.0% |
R-VI | 45.92 ± 8.73 | 73.4% | −567.04 ± 162.77 | 91.9% | 187.55 ± 7.17 | 1.8% |
R-V | 45.03 ± 8.76 | 70.7% | −604.65 ± 190.45 | 81.5% | 177.09 ± 5.48 | 0% |
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Jian, F.; Guo, Q.; Liu, Q.; Feng, C.; Liu, J. Assessing the Impact of Climate Comfort on Labor Productivity in Hydropower Engineering Construction in Southwest China. Buildings 2024, 14, 2398. https://doi.org/10.3390/buildings14082398
Jian F, Guo Q, Liu Q, Feng C, Liu J. Assessing the Impact of Climate Comfort on Labor Productivity in Hydropower Engineering Construction in Southwest China. Buildings. 2024; 14(8):2398. https://doi.org/10.3390/buildings14082398
Chicago/Turabian StyleJian, Feihong, Qi Guo, Qian Liu, Cong Feng, and Jia Liu. 2024. "Assessing the Impact of Climate Comfort on Labor Productivity in Hydropower Engineering Construction in Southwest China" Buildings 14, no. 8: 2398. https://doi.org/10.3390/buildings14082398