Influence Scope on the Existing Roads of a Certain Tunnel Underpass by Blasting Construction
International Journal of Transportation Engineering and Technology
Volume 4, Issue 3, September 2018, Pages: 50-58
Received: Jul. 20, 2018;
Accepted: Sep. 5, 2018;
Published: Jan. 3, 2019
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Daohong Xia, School of Civil Engineering and Architecture, Xi’an Technological University, Xi’an, China
Xianghui Deng, School of Civil Engineering and Architecture, Xi’an Technological University, Xi’an, China
Rui Wang, School of Civil Engineering and Architecture, Xi’an Technological University, Xi’an, China
Yaoyao Meng, School of Civil Engineering and Architecture, Xi’an Technological University, Xi’an, China
In tunnel construction, blasting vibration has great influence on buildings and roads nearby. It is particularly important to discuss the influence scope of blasting vibration. This article focuses on the blasting vibration influence scope of the existing roads nearby through the blasting vibration velocity in-situ monitoring of key points with the case of blasting construction of Baohan highway project. The conclusions are as follows: the dominant frequency of blasting vibration is between 10-50Hz during the monitoring of the tunnel blasting construction, so that the existing roads nearby will not resonate with blasting. Based on the results of this in-situ monitoring, for the general blasting construction, the vertical vibration velocity should be principally monitored because it is higher than the radial and tangential vibration velocity and it is significantly destructive to the buildings. To ensure the safety of structures and transportation of the existing roads, the blasting vibration velocity of key points is supposed to be 2.0cm/s for existing roads of the shallow-buried tunnel underpass with large cross-section and soft surrounding rock. Furthermore, the data shows that the influence scope of blasting vibration wave to the existing roads is about 30m, which is consistent with theoretical calculation results. Therefore, these results can provide references to the general tunnel constructions.
Influence Scope on the Existing Roads of a Certain Tunnel Underpass by Blasting Construction, International Journal of Transportation Engineering and Technology.
Vol. 4, No. 3,
2018, pp. 50-58.
C Wenshu, Y Yaofeng and L Junqin (2008). The Evaluation of the Adjacent Structures under the Tunnel Blast Construction. Industrial Building 38(S1), 1019-1021.
J Deyi, H Yabin, R Song, L Fusheng and C Yu (2008). Study on the Influence of Urban Large-span Tunnel Blasting on Ground Buildings. China Safety Science Journal 18(7), 99-104.
Z Tao, Y Guangming, X Bin, J Zhengbo and Y Xinxin (2011). Safey Evaluation of the Ground Buildings under the Tunnel Blasting Vibration. Journal of Qingdao Technological University 32(5), 36-40.
H Aijun (2010). Seismic Effects of Blasting Vibration in Metro Tunnel Excavation. Sichuan Building Science 36(3), 154-157.
W Xing, C Xiren, L Qijian and Z Shuming (2009). Safety Influence of Shallow-buried Tunnels on the Nearby Buildings and Reinforcing Measures to be taken. Journal of Safety and Environment 9(4), 111-115.
M Qi, Q Mingcan, X Jianfeng, L Yongjun and Z Xiujuan (2013). Safety Analysis of the Damage to Close Buildings Posed by Tunnel Blast Vibration. Guangdong Chemical Industry 40(16), 82-83.
L Jianwu (2000). Analysis on Vibration Response and Damage of Low-rise Residential House Caused by Blasting. Blasting 17(4), 8-13.
W Li and W Hailiang (2012). Influence of Different Direction Vibration Peak Velocity of Tunnel Blasting on Building. Blasting 29(4), 6-9.
Z Caiya, L Anlong, L Tao and S Yu (2014). Vibration Propagtion of Tunnel Blasting in Granite Areas. Journal of Engineering Geology 22(5), 824-831.
F Haobo, Q Junling, X Yongli and G Chunxia (2016) Blast-induced Ground Vibration from Tunnel Undercrossing a Village. Journal of PLA University of Science and Technology (National Science Edition) 17(3), 209-214.
F Hongxian, Z Yong, X Jinshui and H Yongbing (2011). Study of Blasting Vibration Test of Area Near Tunnel. Chinese Journal of Rock Mechanics and Engineering 30(2), 335-340.
C Zhongxue, H Baiwan and L Yanbo (2012). Research on Vibration and Antivibration which Blasting Vibration Imposed on Building near to Tunnel. Earthquake Resistant Engineering and Retrofitting 34(04), 73-75.
Z Zhiyi, Y Nianhua, L Wenbo, Z Gen and S Fuqiang (2013). Progress of Blasting Vibration Control Technology in China. Blasting 30(2), 25-32.
Q Xiong, C Jianxun, W Mengshu and W Xiaoxing (2016). Experimental Analysis of Influence of Blasting Vibration in a Hydraulic Tunnel on Surrounding Buildings. China Earthquake Engineering Journal 38(4), 504-509.
C Jianguo. Techniques for Passenger-dedicated Railway Tunnel Underpassing Existing Expressway. Modern Tunnelling Technology 47(6), 62-66.
W Kediao and D Rensheng (2009). Technology for Monitoring in Construction of Undergoing through Existing Tunnel. Railway Survey 6, 60-62.
X Yiming, Z Mingxin, H Guoping. and L Jiahua (2016). Analysis of Vibration Impact Caused by Relief Channel Blasting on Existing High-speed Railway Tunnel. Railway Standard Design 60(3), 97-101.
Z Mingdong (2005). The Controlled Blasting of Dapingshan Tunnel Undergoing through Existing Expressway. West-China Exploration Engineering 109(6), 122-124.
Z Junjie, B Deyong, G Yanfeng and Z Yi (2006). Research on Construction Control Technology for Railway Tunnel Underneath Passing Existing Expressway Tunnel. Journal of Railway Engineering Society 8, 80-84.
Z Zhiyong (2008). Blasting Methods of Shallow Buried Tunnel Passing through the Present Railroad. Railway Construction Technology 4, 69-74.
S Jumin, Z Xiyuan, G Xiaowang and L Jingbo (2000). Anti-knock Engineering. Beijing: Chinese Building Industry Press.
GB6722-2014, Safety regulations for blasting. Beijing: Standards Press of China, 2014.
X Hailiang, Z Jichun, Y Hong and Z Xinwu (2007). Investigation on Calculating Formula of Vibration Velocity in Drilling Blasting and Its Simplification. Journal of Tongji University (Natural Science) 35(7), 899-903+914.
X Hailiang, Z Jichun and G Jianqun (2003). Investigation on Formula of Predicting the Particle Vibration Velocity in Drilling Blasting. Blasting 20(3), 75-78.
G Keshui (2003). Discussion on Calculation Methods for Blasting Vibration. Exploration Engineering S1, 299-300.