Risk Evaluation Model of Highway Tunnel Portal Construction Based on BP Fuzzy Neural Network

Table 11

The historical data of the 50 tunnels.

Number	Tunnel name	Number of one-way lanes	Location	Surrounding rock level	Tunnel length (m)	Maximum depth (m)
1	Aofeng Mountain Tunnel	Three lanes	Fuzhou	IV	1867	—
2	Lake Yun No. 1 Tunnel	Two lanes	Mianzhu	V	3555	400
3	Mountain Hu Tunnel	Two lanes	Nanjing	IV	1645	466
4	Cang Ridge Tunnel	Two lanes	Taijin	IV	7530	768
5	Jiuling Mountain Tunnel	Two lanes	Wuji	V	5473	887
6	Qingshan Hillock Tunnel	Two lanes	Changsha	V	1245	80
7	Xuefeng Mountain Tunnel	Two lanes	Anhua	IV	7039	780
8	Anyuan Tunnel	Two lanes	Anyuan	V	6868	470
9	Lujialing Tunnel	Two lanes	Chongqing	IV	6664	701
10	Wujian Ridge Tunnel	Two lanes	Yongzhang	V	1050	197
11	Mayazi Tunnel	Two lanes	Wuguan	V	9007	714
12	Shanziding Tunnel	Two lanes	Meida	V	500	110
13	Luwan Tunnel	Three lanes	Lishui	IV	708	170
14	Mountain Mao Tunnel	Three lanes	Changning	V	1628	50
15	Tongzhou Tunnel	Two lanes	Yongjia	IV	493	102
16	Wuzhi Mountain Tunnel	Three lanes	Leshan	V	3923	800
17	Xiang River Tunnel	Two lanes	Huangyuan	IV	1858	300
18	Zhongtiao Mountain Tunnel	Two lanes	Jiezhou	V	7423	605
19	South Village Tunnel	Two lanes	Nancun	IV	6787	153
20	Wolonggang Tunnel	Three lanes	Beijing	V	420	35
21	Liujiapai Tunnel	Two lanes	Liujiapai	V	1233	136
22	Nan Yanmenguan Tunnel	Two lanes	Shanyin	IV	5247	600
23	Foling Tunnel	Two lanes	Linfen	IV	8803	762
24	Xilingjing Tunnel	Two lanes	Taijia	V	6555	711
25	Yanmenguan Tunnel	Two lanes	Xizhou	V	5183	600
26	Yangtou Mountain Tunnel	Two lanes	Qianjiang	V	5385	466
27	Sumu Mountain Tunnel	Three lanes	Huhetaote	IV	3213	—
28	Xuefeng Moutain Tunnel	Two lanes	Shaoyang	V	6958	840
29	Taining Tunnel	Two lanes	Taining	IV	7039	485
30	Leigong Mountain Tunnel	Three lanes	Xiamen	V	3433	253
31	Zhengjiayuan Tunnel	Two lanes	Zhashui	V	2037	189
32	Foyangling Tunnel	Four lanes	Binzhou	IV	3904	70
33	Baiyangwan Tunnel	Three lanes	Hangzhou	V	1400	52
34	Wanxichong Tunnel	Three lanes	Kunming	V	7980	754
35	Mountain Tiger Tunnel	Four lanes	Jinan	V	1880	276
36	Jianping Tunnel	Two lanes	Tongchuan	IV	1287	240
37	Yanling Mountain Tunnel	Two lanes	Hangzhou	IV	1250	178
38	Jinzhuwan Tunnel	Three lanes	Chongqing	V	1322	255
39	Yangzong Tunnel	Three lanes	Yuxi	V	2727	141
40	Magongci Tunnel	Four lanes	Zibo	IV	655	86
41	Wulidun Tunnel	Two lanes	Rucheng	V	2380	980
42	Zhenbao Tunnel	Two lanes	Boshan	IV	2880	32
43	Daiyuling No. 2 Tunnel	Two lanes	Zhuanghe	V	2930	262
44	Shimenya Tunnel	Two lanes	Yichang	V	7524	894
45	Queer Mountain Tunnel	Two lanes	Ganzi	IV	7079	700
46	Xueshanliang Tunnel	Two lanes	Abazhou	IV	6950	598
47	Ziyang Tunnel	Two lanes	Ziyang	V	7938	904
48	Baihua Mountain Tunnel	Three lanes	Wuding	V	1620	—
49	Jiaodongao Tunnel	Two lanes	Ningbo	IV	2185	410
50	Shigu Tunnel	Three lanes	Dongguan	IV	4011	500