Research Article

Research on Construction Safety Risk Assessment of New Subway Station Close-Attached Undercrossing the Existing Operating Station

Table 8

Assessment criteria of construction safety risk assessment.

IndexUnitHigh risk ()Medium risk ()Low risk ()Joint domain ()

A12mm7~103~70~30~10
A13mm5~103~50~30~10
A15mm2~51~20~10~5
A16mm0.2~0.50.1~0.20~0.10~0.5
A22mm4~102~40~20~10
A24mm4~102~40~20~10
A25mm5~103~50~30~10
A31h/times2~240.5~20~0.50~24
A32times/month3~311~30~10~31
A41h/times5~242~50~20~24
A43times/month3~311~30~10~31
A51%0~6060~9090~1000~100
A53times/month30~5015~300~150~50
A 56% 7~203~70~30~10
A 57% 10~100 5~100~50~100
B11times/month10~315~100~50~31
B12%0~9090~9595~1000~100
B14m20~5010~200~100~50
B16pieces0~33~55~100~10
B17pieces0~33~55~100~10
B18m8~203~80~30~20
B19m5~103~50~30~10
B110pieces0~44~66~100~10
B21m15~3010~150~100~30
B23mm50~8025~500~250~80
B31cm/s10−4~10−210−6~10−410−8~10−610−4~10−2
B3310000−11~21/2~10~1/20~2
B420~66~88~100~10
B44m20~3510~200~100~30
B510~66~88~100~10
B520~66~88~100~10
B530~66~88~100~10
B540~66~88~100~10
B55m16~3010~160~100~30
B580~66~88~100~10
B590~0.70.7~11~20~2
B610~66~88~100~10
B62N/0~0.60.6~0.80.8~10~1
B630~66~88~100~10
B650~66~88~100~10
B660~66~88~100~10
B670~66~88~100~10
B72thousand vehicles/h5~103~50~30~10
B74dBdaytime:70~12060~700~600~120
nighttime:55~10045~550~450~100
B75mg/L400~600250~4000~2500~600
B76W/11~2010~110~100~20
B77m0~22~2.52.5~3.50~3.5
B78%0~2020~3030~1000~100
B79ten thousand person-time/month0~1010~2020~300~30