Search Results - "Ng, Charles W.W."

Effects of construction sequence and cover depth on crossing-tunnel interaction by Boonyarak, Thayanan, Ng, Charles W.W

“…An appropriate construction sequence for crossing tunnels can help minimize the adverse impact on the tunnel that is constructed first (considered as the…”
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Three-dimensional centrifuge and numerical modeling of the interaction between perpendicularly crossing tunnels by NG, Charles W. W, BOONYARAK, Thayanan, MASIN, David

“…Tunnel driving inevitably induces changes in stress and deformation in the ground, which could cause ultimate and serviceability problems to an adjacent…”
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Centrifuge and numerical modeling of axial load effects on piles in consolidating ground by Lam, S. Y, Ng, Charles W.W, Leung, C. F, Chan, S. H

“…This paper reports the results of four centrifuge model tests that were undertaken to investigate behavior of floating piles subjected to negative skin…”
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Dimensional analysis of natural debris flows by Zhou, Gordon G.D, Ng, Charles W.W

“…Debris flow is generally composed of a wide range of solid particles and viscous pore fluid. It flows at a high velocity down a slope channel. Interactions…”
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Settlement and load transfer mechanism of a pile group adjacent to a deep excavation in soft clay by Shakeel, M., Ng, Charles W.W.

“…Three-dimensional coupled consolidation analysis is conducted to gain insight into the response of a 2×2 floating pile group adjacent to deep excavation in…”
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Performance of Existing Piled Raft and Pile Group due to Adjacent Multipropped Excavation: 3D Centrifuge and Numerical Modeling by Ng, Charles W. W, Shakeel, Muhammad, Wei, Jiaqi, Lin, Shengyi

“…AbstractExcavation induces stress changes and soil movement on existing floating piled rafts and elevated pile groups. Limited investigation of the effects of…”
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Effects of the skew angle of new tunneling on an existing tunnel: three-dimensional centrifuge and numerical modeling by Ng, Charles W.W, Wong, Y.Y.A, Shakeel, Muhammad

“…Tunneling results in stress relief and arching in the ground. New tunnel excavation beneath an existing tunnel but at different angles can lead to different…”
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Investigation of slope deterioration mechanism under freeze–thaw cycles: centrifuge modelling by Ng, Charles W.W, Wang, Yikai, Zhang, Shuai, Li, Zeyu, Zhang, Qi, Zhong, Haiyi

“…Although deterioration of soil due to freeze–thaw cycles has been investigated based on element tests and small-scale laboratory model tests, there still lacks…”
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Three-Dimensional Centrifuge Modeling of Ground and Pipeline Response to Tunnel Excavation by Shi, Jiangwei, Wang, Yu, Ng, Charles W. W

“…AbstractTunnel excavation inevitably induces stress changes in the surrounding soil leading to significant ground movements and additional stress in nearby…”
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Three-dimensional centrifuge modelling of basement excavation effects on an existing tunnel in dry sand by NG, Charles W. W, JIANGWEI SHI, YI HONG

“…Basement excavation may induce unsymmetrical and highly skewed loadings and (or) stress changes in an existing tunnel, not only in the transverse, but also in…”
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Numerical parametric study of tunneling-induced joint rotation angle in jointed pipelines by Shi, Jiangwei, Wang, Yu, Ng, Charles W.W

“…Pipeline–tunnel interaction has attracted increasing research attention recently. Previous studies focused mainly on tunneling-induced deformation in…”
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Effects of basal clearance on the impact dynamics of dry granular flow against dual rigid barriers by Ng, Charles W.W., Liu, Haiming, Choi, Clarence E., Bhatta, Aastha, Zheng, Min

“…A basal clearance is usually designed beneath barriers to enable sufficient discharge to minimise the maintenance work over service life. Current design…”
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Centrifuge and numerical modelling of tunnel intersected by normal fault rupture in sand by Cai, Q.P., Peng, J.M., Ng, Charles. W.W., Shi, J.W., Chen, X.X.

“…In this study, centrifuge model tests and numerical analyses were conducted to investigate the deformation mechanisms of an existing tunnel due to normal…”
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Effects of Multipropped Excavation on an Adjacent Floating Pile by Ng, Charles W. W, Wei, Jiaqi, Poulos, Harry, Liu, Hanlong

“…AbstractDeep excavations inevitably induce stress relief and soil movement, which may affect the safety and serviceability of nearby existing pile foundations…”
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Effect of initial pore pressure on undrained shear behaviour of fine-grained gassy soil by Hong, Y, Wang, L.Z, Ng, Charles W.W, Yang, B

“…Many of the world reserves of fossil fuels are located at various water depths in fine-grained sediment under the seabed. The fine-grained sediment contains…”
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A new capillary barrier system for retaining wall backfilled with fine-grained soil by Chen, Yanbo, Gao, Yufeng, Ng, Charles W.W.

“…Retaining wall back-filled with fine-grained soil such as silt is vulnerable to failure due to its low water permeability under heavy rainfall. Based on…”
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A novel vegetated three-layer landfill cover system using recycled construction wastes without geomembrane by Ng, Charles W.W, Chen, R, Coo, J.L, Liu, J, Ni, J.J, Chen, Y.M, Zhan, L.-t, Guo, H.W, Lu, B.W

“…To promote environmental protection and sustainability, the use of plants and recycled wastes in geotechnical construction such as landfill covers is…”
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A simplified method to estimate three-dimensional tunnel responses to basement excavation by Shi, Jiangwei, Ng, Charles W.W., Chen, Yonghui

“…For the convenience of shoppers and users, there is an increasing demand for the construction of basements in close proximity to existing tunnels. To ensure…”
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The effects of upstream flexible barrier on the debris flow entrainment and impact dynamics on a terminal barrier by Vicari, Hervé, Ng, Charles W.W., Nordal, Steinar, Thakur, Vikas, De Silva, W.A. Roanga K., Liu, Haiming, Choi, Clarence E.

“…The destructive nature of debris flows is mainly caused by flow bulking from entrainment of an erodible channel bed. To arrest these flows, multiple flexible…”
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Relationships between chemical weathering indices and physical and mechanical properties of decomposed granite by Chiu, C.F., Ng, Charles W.W.

“…Chemical weathering is one of the dominant mechanisms for weathering of granite in subtropical and tropical regions resulting in modifications of its chemical,…”
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