考虑地质适宜性和滚刀直径的TBM刀具消耗预测

doi:10.3973/j.issn.2096-4498.2018.07.022

隧道建设（中英文） ›› 2018, Vol. 38 ›› Issue (7): 1243-1250.DOI: 10.3973/j.issn.2096-4498.2018.07.022

考虑地质适宜性和滚刀直径的TBM刀具消耗预测

闫长斌¹，姜晓迪¹，杨继华²，郭卫新²，姚阳²

（1. 郑州大学土木工程学院，河南郑州 450001； 2. 黄河勘测规划设计有限公司，河南郑州 450003）

收稿日期:2018-03-06 修回日期:2018-04-18 出版日期:2018-07-20 发布日期:2018-07-28
作者简介:闫长斌（1979—），男，河南濮阳人，2006年毕业于中南大学，岩土工程专业，博士，副教授，主要从事岩土与地下工程方面的理论研究与工程实践工作。Email: yanchangbin_2001@163.com。
基金资助:
国家自然科学基金资助项目（U1504523）；河南省重点研发与推广专项（182102210014）；黄河勘测规划设计有限公司自主研发项目（2016-ky56（2））

Prediction of TBM Cutter Consumption Considering Geological Suitability and Disc Cutter Diameter

YAN Changbin¹, JIANG Xiaodi¹, YANG Jihua², GUO Weixin², YAO Yang²

(1. School of Civil Engineering, Zhengzhou University, Zhengzhou 450001, Henan, China; 2. Yellow River Engineering Consulting Co., Ltd., Zhengzhou 450003, Henan, China）

Received:2018-03-06 Revised:2018-04-18 Online:2018-07-20 Published:2018-07-28

摘要/Abstract

摘要：

刀具消耗是TBM施工成本管理的重要研究内容。将影响刀具消耗的主要因素归纳为地质条件、机械因素和掘进参数3个方面，在此基础上讨论了刀具消耗与围岩等级、TBM工作条件等级之间的关系。在总结和分析利用TBM工作条件等级进行刀具消耗预测研究的基础上，对拟合函数进行优化，并引入滚刀直径影响因子，构建同时考虑地质适宜性和滚刀直径的TBM刀具消耗预测方法。通过对兰州水源地建设工程输水隧洞TBM1掘进段的刀具消耗分析，验证提出的TBM刀具消耗预测方法的合理性。研究结果表明： 1）TBM工作条件等级可以反映TBM掘进性能和地质适宜性特点； 2）拟合函数ln(x-1)和ln x更适合描述和预测刀具消耗规律； 3）滚刀直径对刀具消耗具有一定影响，滚刀直径越大，刀具消耗越小； 4）同时考虑地质适宜性和滚刀直径的TBM刀具消耗预测模型的计算结果更接近实际耗刀率； 5）刀具消耗与岩体完整性密切相关，与实际耗刀率相比，Ⅱ类围岩的预测计算结果略高，而Ⅲ类围岩的预测计算结果略低。

关键词: TBM施工, 刀具消耗, 地质适宜性, 滚刀直径, 围岩等级, TBM工作条件等级, 预测模型

Abstract:

The cutter consumption prediction is one of the important research items for cost management of TBM construction. The main influencing factors of cutter consumption are summarized into three aspects, i.e. geological conditions, mechanical factors and tunneling parameters; based on which the relationship between cutter consumption and surrounding rock grades and that between cutter consumption and TBM working condition grades are discussed. And then the fitting function is improved; the influencing factor disc cutter diameter is considered; and the prediction method for TBM cutter consumption considering both geological suitability and disc cutter diameter is put forward based on summarizing and analyzing the prediction of cutter consumption by using TBM working conditions. Finally, the rationality of the prediction method for TBM cutter consumption proposed is verified by analyzing the cutter consumption of TBM1 tunneling section of water diversion tunnel at Lanzhou water source area. The results show that: (1) The characteristics of TBM tunneling performance and geological suitability can be reflected by TBM working condition grades. (2) The fitting functions of ln(x-1) and ln x are more suitable for describing and predicting the law of cutter consumption. (3) The cutter diameter also impacts the cutter consumption; and the larger the cutter diameter, the less the cutter consumption. (4) The predicted results of the model considering both geological suitability and disc cutter diameter are closer to the actual cutter consumption rate. (5) The cutter consumption is closely related to the integrity of rock mass; and the cutter consumption prediction results of surrounding rock Grade Ⅱ are slightly higher than actual results; while that of surrounding rock Grade Ⅲ are a little lower than actual results.

Key words: TBM construction, cutter consumption, geological suitability, disc cutter diameter, surrounding rock grade, TBM working condition grade, prediction model

中图分类号:

U 455.3

闫长斌，姜晓迪，杨继华，郭卫新，姚阳. 考虑地质适宜性和滚刀直径的TBM刀具消耗预测[J]. 隧道建设, 2018, 38(7): 1243-1250.

YAN Changbin, JIANG Xiaodi, YANG Jihua, GUO Weixin, YAO Yang. Prediction of TBM Cutter Consumption Considering Geological Suitability and Disc Cutter Diameter[J]. Tunnel Construction, 2018, 38(7): 1243-1250.

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考虑地质适宜性和滚刀直径的TBM刀具消耗预测

Prediction of TBM Cutter Consumption Considering Geological Suitability and Disc Cutter Diameter

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