Online monitoring and analysis of TBM cutter temperature: A case study in China

被引：16

作者：

Fu, Jie ^{[1
,2
]}

Wu, Dun ^{[3
]}

Lan, Hao ^{[4
]}

Ji, Zhiyong ^{[1
,2
]}

Li, Wenxin ^{[5
]}

Xia, Yimin ^{[1
,2
]}

机构：

[1] Cent South Univ, Coll Mech & Elect Engn, Changsha 410083, Peoples R China

[2] Cent South Univ, State Key Lab High Performance Complex Mfg, Changsha 410083, Peoples R China

[3] China Railway 14th Tunnel Engn Co Ltd, Jinan 250002, Shandong, Peoples R China

[4] Hunan Normal Univ, Coll Engn & Design, Changsha 410081, Peoples R China

[5] Water Resources & Hydropower Survey Design & Res, Urumqi 830000, Xinjiang, Peoples R China

来源：

MEASUREMENT | 2021年 / 174卷

基金：

国家重点研发计划;

关键词：

Online monitoring system; TBM; Cutter temperature; Case study; ROCK; SYSTEM; WEAR;

D O I：

10.1016/j.measurement.2021.109034

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Excessive cutter temperature during TBM tunnelling may cause severe cutter wear, mud cake formation, or even blockage of the cutterhead. It will increase construction costs and safety risks. Therefore, in this study, based on the PT100 temperature sensor and wireless transmission technology, a set of cutter temperature online monitoring system has been developed and applied to an TBM construction in-site. Statistical analysis of the in-site temperature data shows that: (1) During excavation, the cutter temperature range was about 13?25 ?. (2) When penetration is less than 32.4 mm/r, the relative temperature change (?T) will increase as the installation radius increases. On the contrary, as the installation radius increases, the ?T decreases first, then increases. (3) The ?T is affected by the flow velocity of sludge (PTR). When PTR decreases, if the heat lost by the sludge is higher than the heat generated by the penetration, the ?T will decrease.

引用

页数：8

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