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Article
Mechanical Analysis of Rock Tunnels Reinforced by Grouted Rockbolts Considering the Blasting Damage Effect
Tunnelling using drilling and blasting method inevitably disturbs the surrounding rock and induces a blasting damaged zone around the tunnel. Conventional mechanical analyses assume that the entire ground is d...
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Article
A Comprehensive Method for Similarity Evaluation in Discrete Fracture Network Modeling of Jointed Rock Masses
To verify the accuracy and rationality of discrete fracture network modeling, a comprehensive method for evaluating the similarity between two-dimensional fracture maps is proposed in this study. Five evaluati...
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Article
Open AccessSec1 regulates intestinal mucosal immunity in a mouse model of inflammatory bowel disease
Inflammatory bowel disease (IBD) is a common immune-mediated condition with its molecular pathogenesis remaining to be fully elucidated. This study aimed to deepen our understanding of the role of FUT2 in human I...
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Article
Convergence-confinement analysis for tunnels with combined bolt–cable system considering the effects of intermediate principal stress
The mechanical responses of tunnels reinforced by combined bolt–cable system are investigated in this paper. An analytical model of the convergence-confinement type is proposed that accounts for the sequential...
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Article
Support Countermeasures for Large Deformation in a Deep Tunnel in Layered Shale with High Geostresses
Large deformation is a crucial factor in deep-buried tunnels constructed through soft rocks with a high geostress. Taking the deep-buried Baozhen tunnel through layered shale as an example, this study investig...
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Article
Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load
An analytical model based on complex variable theory is proposed to investigate ground responses due to shallow tunneling in multi-layered ground with an arbitrary ground surface load. The ground layers are as...
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Article
Linc00852 from cisplatin-resistant gastric cancer cell-derived exosomes regulates COMMD7 to promote cisplatin resistance of recipient cells through microRNA-514a-5p
Cisplatin (DDP)-based chemotherapy is commonly referred to as advanced gastric cancer (GC). The purpose of this study was to unravel whether Linc00852 from DDP-resistant tumor cell-derived exosomes (Exos) prom...
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Chapter
An Overview of Subsea Tunnel Construction
As we know that the earth’s oceans cover a whop** 360 million square kilometers or about 71% of the planet’s total area. The Earth is segmented by the ocean into several continents, creating barriers to tran...
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Chapter
Water Inrush Mechanism and Evolution in Subsea Tunnels
As a large-scale, high-risk project, the core issues concerning subsea tunnels are the control of water inrush during the construction and management of water seepage and drainage during operations, which is t...
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Chapter
Elaborate Process Control Technology for Unfavorable Geological Sections of Subsea Tunnels
Crossing the unfavorable geological body and ground interface is a control project in subsea tunnel construction. The stability of an unfavorable geological body and its connectivity with seawater affects the ...
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Book
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Article
Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal joints
An analytical model is proposed to estimate the discontinuous mechanical behavior of an existing shield tunnel above a new tunnel. The existing shield tunnel is regarded as a Timoshenko beam with longitudinal ...
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Chapter
Safety Risk Control System Throughout the Lifecycle of Subsea Tunnels
The lifecycle of subsea tunnels faces great technical challenges and safety risks owing to the location of the tunnels in an infinite marine environment and the extreme difficulty of accurate geological invest...
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Chapter
Compound-Grouting Technology and Its Application in Subsea Tunnel-Surrounding Rock
Grouting technology is widely used to achieve stable control of the subsea tunnel constructed in unfavorable geological conditions. This technology plays a vital role in engineering safety and quality assuranc...
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Chapter
Active Control Waterproof and Drainage System and Structural Design Method for Subsea Tunnels
In the past, drainage methods of free discharge or drainage-based waterproofs were commonly used in mountain tunnel projects, which even caused ecological disasters in certain environmentally fragile areas.
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Article
Analytical solutions for deep tunnels in strain-softening rocks modeled by different elastic strain definitions with the unified strength theory
This paper presents the analytical solutions for the responses of tunnels excavated in rock masses exhibiting strain-softening behavior. Since previous analyses give little consideration to the effect of the i...
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Article
Dissecting the Robustness of the Rock Mass Classification Methods Used in Jiaozhou Bay Subsea Tunnel
To confirm the robustness of a tunnel, the quality of the rock mass is usually evaluated by several rock mass classification (RMC) systems before its design. Besides, the accuracy of the RMC should be checked ...
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Article
Design and simulation of a frequency self-tuning vibration energy harvester for rotational applications
In order to broaden the operating frequency bandwidth of the vibration energy harvester (VEH), a novel frequency self-tuning VEH is proposed for rotating applications. Under the rotating excitation, the propos...
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Article
Microstructure and Tribological Properties of Ni-Based Laser-Clad Coatings by Rare Earth Modification
TiC + TiB2 + Ti2Ni-reinforced Ni-based laser-clad coatings were prepared on Ti-6Al-4V by CeO2 modification. The forming quality, microstructure, element distribution, microhardness and wear resistance of the coat...
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Article
Analytical study on pretensioned bolt-cable combined support of large cross-section tunnel
To study the mechanical responses of large cross-section tunnel reinforced by pretensioned rock bolts and anchor cables, an analytical model is proposed. Considering the interaction between rock mass and bolt-...
