Results 51 to 60 of about 1,150 (181)

Research on Deformation Prediction of Small Interval Tunnel Based on Machine Learning and Numerical Simulation

Energy Science &Engineering, Volume 14, Issue 5, Page 2380-2392, May 2026.
This study leverages machine learning algorithms—specifically artificial neural networks (ANN) and genetic programming (GP)—to forecast and analyze variations in vault settlement measurements during excavation of small interval tunnel. A settlement prediction model was developed and validated through comparative analysis with regression to evaluate the
Wenjie Zhai, Jia Xue, Yongjie Fu, Beichen Yu, Yan Zhu, Man Yuan, Mingbo Chi, Zhentao Li   +7 more
wiley   +1 more source

Digital Twin Integration in Project Life Cycle Management—A Review

Engineering Reports, Volume 8, Issue 3, March 2026.
This study explores the integration of digital twin (DT) technology within project life cycle management (PLM), focusing on its transformative impact on industries like aerospace, automotive, healthcare, and construction. By creating real‐time virtual models synchronized with physical assets, DTs enable predictive maintenance, operational optimization,
Md. Injamamul Haque Protyai, Rajowone Shariar, Hrittik Mural   +2 more
wiley   +1 more source

Application of RMR89–NATM Rock Mass Classification for Tunnel Design: A Case Study From Bilaspur, Himachal Pradesh, India

Engineering Reports, Volume 8, Issue 3, March 2026.
The Bilaspur region lies in a highly seismic zone, requiring special attention for infrastructure development like tunnel construction. Rock strength in the area is low, posing challenges for stable tunnel design. RMR values range from 21 to 30, categorizing the rock mass as Poor, requiring robust support measures.
Baalamurugan Arumugam, Selvam Sekar, Muthukumar Perumal, Jesuraja Kamaraj, Muralitharan Jothimani   +4 more
wiley   +1 more source

Pore structure characteristics of admixture shotcrete and its quantitative relationship with mechanical properties in high geothermal environment

Journal of Materials Research and Technology
The high geothermal environment during tunnel construction leads to the abnormal porosity and decreased mechanical properties of shotcrete, but its degradation mechanism is still unclear.
Wei Wang, Shaohui Zhang, Yan Wang, Jian Yuan, Ditao Niu   +4 more
doaj   +1 more source

Shotcreting in Tunnels

International Journal Of Engineering And Computer Science, 2016
Since the development of New Austrian Tunneling Method (NATM), shotcrete in tunnels has been widely applied. It’s most important features are durability, speed of application and cost effectiveness. The New Austrian Tunnelling Method (NATM) is characterized by the continuous adaption of driving parameters, such as unsupported length (i.e., the distance
openaire   +1 more source

Research on the Evolution Law of the Plastic Zone and Control Technologies for Surrounding Rock in Floor Roadway Influenced by Mining Activities

Energy Science &Engineering, Volume 14, Issue 1, Page 444-459, January 2026.
ABSTRACT This study addresses the challenges of deformation failure and the difficulty in controlling the surrounding rock in the 2453 floor roadway of a coal mine in Hunan Province, influenced by mining activities. Conducting an in‐depth investigation into the evolution law of the principal stress and stability control technologies for the surrounding
Shihai Shu, Weijun Wang, Yujie Ma, Chao Yuan, Xinyu Tian, Rongjie Du, Sha Ge   +6 more
wiley   +1 more source

Experimental Study on Basic Mechanical Properties of Steel Fiber-Reinforced Siliceous Wet Shotcrete

Advances in Materials Science and Engineering, 2018
In order to solve the problem of low strength and easy cracking of shotcrete in permanent support of tunnel single shell lining, the effects of steel fiber-reinforced siliceous on mechanical properties of wet shotcrete were investigated by the tests of ...
Xu Yan, Li-min Liu, Jin-peng Zhang, Yan-hui Li, He Wang   +4 more
doaj   +1 more source

Study on creep performance of shotcrete lining for tunnels

Journal of Materials Research and Technology
Creep, as a long-term deformation characteristic of shotcrete, significantly influences the load-bearing performance and durability of tunnel support structures. This study conducted creep tests on shotcrete under varying stress levels.
Yali Jia, Lixi Zhao, Lei Wang, Qingyu Gao, Baice Qiao, Qingxin Zhao   +5 more
doaj   +1 more source

Damage of shotcrete under freeze-thaw loading

Journal of Civil Engineering and Management, 2017
The freeze-thaw durability of shotcrete can be improved by adding an air-entraining agent in cold areas. The main focus of this paper is to investigate the changes in the internal pore structure of C25 ordinary shotcrete and shot­crete mixed with a RM-YQ
Jianxun Chen, Pengyu Zhao, Yanbin Luo, Xianghui Deng, Qin Liu   +4 more
doaj   +1 more source

Optimization of shotcrete manipulator motion trajectory based on AIWCPSO algorithm

Gong-kuang zidonghua
To address issues in traditional shotcrete manipulator trajectory planning algorithms, such as abrupt transitions between multiple path segments and low shotcrete efficiency and uniformity caused by frequent starts and stops, an optimized motion ...
SHI Can, TAN Ziliang, LEI Chao, LI Yunwang, XU Hanfei, HU Qiaowei, JI Zhendong   +6 more
doaj   +1 more source