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Advanced and Sustainable Technologies for Tunnel Engineering

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A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Engineering and Science".

Deadline for manuscript submissions: closed (30 August 2023) | Viewed by 5411

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Special Issue Editors

Dr. Ming Li

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Guest Editor

State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China
Interests: mining rock strength; rock dynamics

Dr. Rongbin Hou

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Guest Editor

School of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
Interests: rock creep; stability theory of underground engineering

Dr. Mingrui Du

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Guest Editor

School of Water Conservancy Engineering, Zhengzhou University, Zhengzhou 450001, China
Interests: sustainable concrete materials; microscale characterization; MD simulation
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Special Issue Information

Dear Colleagues,

Tunnel engineering plays an important role in promoting the accelerating modernisation process. However, while it promotes rapid economic development, the problem of resource consumption in tunnel engineering is on the rise. The influence of traditional thinking over a long period of time has led to the continued use of relatively outdated technologies in tunnelling projects, which cause serious environmental damage. As these problems continue to increase, advanced sustainable technologies are gradually being prioritised in the field of tunnel engineering. This Special Issue entitled “Advanced and Sustainable Technologies for Tunnel Engineering” will present the results of research and implementation in this area, with the aim of facilitating the application and promotion of advanced sustainable technologies in tunnel engineering.

The Special Issue will cover multidisciplinary tunnel engineering themes, with a particular focus on the following:

Urban underground.
Green mining technology.
Groundwater pollution prevention and remediation.
Intelligent mining.
Tunnel and underground space development and stability control.
Deep solid waste resource recycling.
Synergistic underground multi-resource development.
Deep Earth resource development.
Environmental science and resource utilisation.
Green construction and operation technology.

Dr. Ming Li
Dr. Rongbin Hou
Dr. Mingrui Du
Guest Editors

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

utility tunnel
sustainable development
ecological environment
resource conservation
sustainable design

Published Papers (4 papers)

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Research

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22 pages, 10116 KiB

Open AccessArticle

Mechanical Properties and Influencing Factors of Shield Cutting Existing Station Supporting Piles

by Xiaoming Guan, Zeliang Liu, Huawei Xu, Yanchun Liu, Xianzhang Ling, Hao Ding, Sihao Ren, Ruiquan Lu, Ke Yu and Jijun Miao

Sustainability 2023, 15(15), 11699; https://doi.org/10.3390/su151511699 - 28 Jul 2023

Cited by 1 | Viewed by 793

Abstract

Based on the shield-cutting existing station supporting piles project of Zhengzhou metro line 6, the process and mechanism of concrete in the process of pile cutting were analyzed by establishing a three-dimensional model of concrete with a cutter. The magnitude and variation rules of cutting force, penetration force, and tangential force were explored. The variation rules of cutting force with four factors of cutting speed, cutting depth, cutter width, and tool rake angle were explored. The correctness of the numerical model and results were verified by the theoretical analysis method. Finally, the significance of the influencing factors of pile cutting was studied by means of range analysis and variance analysis using the orthogonal test method, and the cutter parameters were optimized. The cutting mechanism is that the front concrete is compressed and crushed to produce a dense core. The cutting force increases rapidly to its maximum value in a short time during the cutting process. The cutting force is always larger than the penetration force and tangential force. The cutter contact force basically remains unchanged with the change in cutting speed; however, it increases with the increase in cutting depth and cutter width. The significant order of the three influencing factors is cutting depth, cutter width, and rake angle. It is suggested that the cutting depth be adjusted preferentially, followed by the cutter width. And the principle of rake angle should be considered last. Full article

(This article belongs to the Special Issue Advanced and Sustainable Technologies for Tunnel Engineering)

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17 pages, 6570 KiB

Open AccessArticle

Research on Hydraulic Support Attitude Monitoring Method Merging FBG Sensing Technology and AdaBoost Algorithm

by Ningning Chen, Xinqiu Fang, Minfu Liang, Xiaomei Xue, Fan Zhang, Gang Wu and Fukang Qiao

Sustainability 2023, 15(3), 2239; https://doi.org/10.3390/su15032239 - 25 Jan 2023

Cited by 6 | Viewed by 1416

Abstract

The hydraulic support is the key equipment of surrounding rock support in a stope, and thus monitoring the attitude of the hydraulic support has an important guiding role in the support selection, operation control and rock pressure analysis of the working face. At present, attitude monitoring technology for hydraulic support mainly includes inertial measurement, contact measurement and visual measurement. Aiming at the technical defects of imperfect attitude perception models, incomplete perception parameters and the low decision-making ability of such systems, the fiber Bragg grating (FBG) pressure sensor and the FBG tilt sensor are developed independently by combining with FBG sensing theory. The pressure sensitivity of the FBG pressure sensor is 35.6 pm/MPa, and the angular sensitivity of the FBG tilt sensor is 31.3 pm/(°). Additionally, an information platform for FBG sensing monitoring for hydraulic support attitude is constructed based on. NET technology and C/S architecture. The information platform realizes real-time monitoring, data management, report management, production information management and data querying of hydraulic support attitude monitoring data. An AdaBoost neural network hydraulic support working resistance prediction model is established using MATLAB. The AdaBoost neural network algorithm successfully predicts the periodic pressure of the coal mining face by training with the sample data of the working resistance of the hydraulic support. The predicting accuracy is more than 95%. Full article

(This article belongs to the Special Issue Advanced and Sustainable Technologies for Tunnel Engineering)

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22 pages, 8792 KiB

Open AccessArticle

Research on Path Planning and Control Method for Secondary Autonomous Cutting of Cantilever Roadheader in a Large-Section Coal Roadway

by Jianjun Wu, Ziyue Xu, Xinqiu Fang, Guangliang Shi and Haiyan Wang

Sustainability 2023, 15(1), 560; https://doi.org/10.3390/su15010560 - 28 Dec 2022

Viewed by 1147

Abstract

A cantilever roadheader is the main tunneling equipment for underground coal mine roadways. The key to the safe, efficient and intelligent development of coal enterprises is to achieve the autonomous cutting and intelligent control of the cantilever roadheader. In order to realize the automatic cutting shaping control of a large-section coal roadway, the path planning and control method of secondary automatic cutting of a cantilever roadheader were studied. The Wangjialing 12307 belt roadway was used as the engineering background, the vertical displacement law of the roadway roof under different cutting paths was simulated with the FLAC 3D software, the reasonable cutting path was determined according to the actual situation, and the underground industrial test was carried out. The simplified model and spatial position and attitude coordinate system of the roadheader were established, the kinematics of the roadheader was analyzed, and the position and attitude expression of the cutting head center in the roadway coordinate system was obtained. The simplified model of the cutting head was established, the position expression of the pick in the roadway coordinate system was derived, the position coordinate of the inflection point and the cutting step distance were determined according to the relationship between the cutting head and the roadway boundary, and the cutting path control flow was designed. Finally, the reliability of the cutting path control method was verified with a MATLAB simulation. The research works provide a theoretical foundation for path planning and control to realize “secondary autonomous cutting of cantilever roadheader”. Full article

(This article belongs to the Special Issue Advanced and Sustainable Technologies for Tunnel Engineering)

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Review

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22 pages, 14942 KiB

Open AccessReview

Recent Progress in the Cracking Mechanism and Control Measures of Tunnel Lining Cracking under the Freeze–Thaw Cycle

by Peilong Yuan, Chao Ma, Yuhang Liu, Junling Qiu, Tong Liu, Yanping Luo and Yunteng Chen

Sustainability 2023, 15(16), 12629; https://doi.org/10.3390/su151612629 - 21 Aug 2023

Cited by 4 | Viewed by 1040

Abstract

With the rapid increase in the scale and number of tunnels in cold regions, the frost damage problems, such as cracking of the lining structure under the action of freeze–thaw cycles are becoming increasingly prominent. This review article collects and sorts out the frost damage phenomena that occur in the lining structure of tunnels in cold regions under the action of freezing and thawing cycles, classifies the frost damage phenomena into structural frost damage and non-structural frost damage, and proposes that the research on the mechanism of lining frost damage and its prevention measures should focus on lining cracking. According to the damage degree of the freeze–thaw cycle to the lining structure and its influence on tunnel operation, the cracking mode and cracking stage of lining are introduced. The analysis focuses on the mechanism of cracking in lining structures subjected to freeze–thaw cycles, considering the external force caused by frost heaving, the alteration of mechanical properties in lining concrete, and the internal changes in the microstructure of the concrete. Additionally, the factors that contribute to the occurrence of lining cracking are summarized. Based on this, corresponding control measures have been organized to provide reference for the development of cracking of the lining structure under the action of freeze–thaw cycle. Full article

(This article belongs to the Special Issue Advanced and Sustainable Technologies for Tunnel Engineering)

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