Results 81 to 90 of about 1,981,740 (257)

Developing a universal tunnel span classification from global tunnel databases

Deep Underground Science and Engineering, EarlyView.
A universal tunnel span classification system is introduced that incorporates tunnel span, cross‐sectional area, typical tunnel types, and intended uses. Representative flatness ratio values are also provided for each span class. The classification is derived from a comprehensive database of 450 tunnel profiles from 47 countries.
Simon Heru Prassetyo, Inzagi Suhendar, Semmy Andrew Anugerah Djawa Tagi, Bonifacio Bondan Satryojati, Dzakwan Naufal Pratama, Yeremia Sintong Damero, Yudhidya Wicaksana, Erwin Lim, Ridho Kresna Wattimena   +8 more
wiley   +1 more source

3D modeling of tunnel excavation using pressurized tunnel boring machine in overconsolidated soils [PDF]

, 2013
The construction of shallow tunnels in urban areas requires a prior assessment of their effects on the existing structures. In the case of shield tunnel boring machines (TBM), the various construction stages carried out constitute a highly three ...
Hammoud, F., Demagh, R,, Emeriault, F.
core   +1 more source

Co‐Catalyst/Semiconductor Interface Coupling Design for Efficient Solar‐Driven Photocatalysis

EcoEnergy, EarlyView.
Interfacial coupling strength is proposed as a unifying descriptor governing charge‐transfer behavior in co‐catalyst/semiconductor photocatalytic systems. This review establishes a coupling‐strength‐guided framework that correlates interface engineering strategies with charge transport pathways, electronic structure regulation, and photocatalytic ...
Fangxu Dai, Zhiyu Song, Meiyan Qiu, Zhen Zhang, Dan Zhang, Xiaobo Chen, Yun Hau Ng, Xin Li   +7 more
wiley   +1 more source

Molecular Modification Strategies for CO2 Electroreduction to C2+ Products: Classifications, Mechanisms, Advances, and Perspectives

EcoEnergy, EarlyView.
This review comprehensively outlines molecular modification strategies for steering CO2 electroreduction toward C2+ products, including the classification of diverse molecular structures, elucidation of their roles in microenvironment regulation, dissection of C–C coupling pathway engineering, and forward‐looking perspectives on machine learning and ...
Lingling Peng, Hanwen Liu, Tianyou Peng
wiley   +1 more source

A Critical Review of Electrolytes for Sodium‐Zinc Hybrid Ion Batteries: From Liquid to Solid

EcoEnergy, EarlyView.
This review systematically discusses the evolutionary roadmap of electrolytes from liquid to quasi‐solid and ultimately to all‐solid‐state structures for aqueous sodium‐zinc hybrid ion batteries (ASZIBs), which focuses the critical bottlenecks of uncontrolled dual‐ion transport and interfacial incompatibility, and proposes corresponding countermeasures
Jiao Huang, Guangni Ding, Bingyi Lu, Xian‐Xiang Zeng   +3 more
wiley   +1 more source

Determining rock damage strength with acoustic emission monitoring technique in terms of hurst exponent

Scientific Reports
In complex deep engineering environments, progressive rock mass failures, such as slabbing failure and deep fracturing, often pose significant threats to engineering safety, and the rock damage strength (σ cd) is a critical threshold parameter to ...
Tong Jiang, Siyuan Liu, Zhenxing Yang, Rongchao Xu   +3 more
doaj   +1 more source

Risk Assessment of TBM Construction Based on a Matter-Element Extension Model with Optimized Weight Distribution

Applied Sciences
In order to effectively address the potential hazards associated with the construction of Phase II of the YE Water Supply Project’s KS tunnel in Xinjiang, this study employs the WBS-RBS (Work Breakdown Structure and Risk Breakdown Structure) method for ...
Tao Fu, Kebin Shi, Renyi Shi, Zhipeng Lu, Jianming Zhang   +4 more
doaj   +1 more source

Effect of Tunnel Progress on the Settlement of Existing Piled Foundation

Studia Geotechnica et Mechanica, 2019
Tunnel construction below or adjacent to piles will affect the performance and eventually the stability of piles due to ground deformation resulting in the movement of piles and changes in the axial force distribution along the piles. A three dimensional
Al-Omari Raid Ramzi, Al-Soud Madhat Shakir, Al-Zuhairi Osamah Ibrahim   +2 more
doaj   +1 more source

Utilizing Tunnel Boring Machine (TBM)-Crushed Limestone as a Construction Material. [PDF]

Materials (Basel), 2022
Alnuaim A, Al-Mahbashi AM, Dafalla M.
europepmc   +1 more source

Men gathering in front of the automatic tunnel boring machine

, 1973
A multitude of men in business suits and coats, as well as some workers - all with helmets - stand in the tunnel in front of the tunnel boring machine, celebrating the moment. One of them holds a bottle with a colorless liquid. An inscription is attached
Ritopečki, Jovan
core