22 Result(s)
within
Engineering
Civil Engineering
Engineering, general
**fu Fu
Article
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Article
Open AccessMethodology for calculating load capacity reduction and slip relationship of clustered group nail connectors
Clustered group nail connectors are key connecting components for the full lifecycle construction and safe operation of steel–concrete composite structural bridges. To thoroughly investigate the stress mechani...
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Article
An Anisotropic Strength Equivalent Model of the Step Interlayered Rock Mass in the Muzhailing Tunnel
The Muzhailing Tunnel, Gansu Province, China, runs for most (84.5%) of its length through layered slate. To study the mechanical properties of rock masses containing interbedded soft and hard layers, mechanica...
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Article
Critical Hydraulic Gradient of Pi** Erosion Under Free Flow and Seepage Flow Coupling Model
This paper proposes a coupling model for evaluating the occurrence of pi** erosion under free flow and seepage flow. The model employs the Navier–Stokes equation to describe free water flow in a pore channel...
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Article
Numerical Results of Vibration Isolation Effect of Pile Group on Rayleigh Waves in a Fluid-Saturated Half-Space
Based on Biot’s theory of two-phase media, the screening effectiveness of a multi-row pile barrier system on incident Rayleigh waves in a fluid-saturated poroelastic half-space is investigated using a high-pre...
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Article
Three-Dimensional Vibration Isolation Effect of Pile Group on Rayleigh Waves in a Fluid-Saturated Half-Space
Based on Biot’s theory of two-phase media, the screening effectiveness of a multi-row pile barrier system on incident Rayleigh waves in a fluid-saturated poroelastic half-space is investigated using a high-pre...
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Article
Estimating Critical Shear Velocity of Incipient Cohesive Sediment Motion of Shallow Slope Under Surface Runoff
Surface runoff is an important factor inducing soil erosion of shallow slope. Due to the complexity of material composition, grain arrangement and porosity structure, however, it is difficult to directly give ...
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Article
An Improved Model to Describe the Creep Behavior of Soft Soil
The creep characteristics of soft soil from the Luogang District of Guangzhou (China) were analyzed using a laboratory-based direct shear creep apparatus. Normal stress was applied to the samples, and the corr...
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Article
Theoretical Calculations and Field Measurements of the Earth Pressure in the **ci Tunnel
The determination of surrounding rock or soil pressure is a prerequisite for tunnel excavation and lining. In this study, theoretical calculations are combined with on-site monitoring of the soil pressure of t...
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Article
Stability Analysis of Soil Slopes Subject to Action of Rainfall-Induced Wetting Front
The stability of shallow soil slope was analyzed considering the wetting front within the slope during rainfall. The slope failure model (composed of an upper arc, a straight part in the middle, and a lower ar...
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Article
Open AccessAutonomous end-to-end wireless monitoring system for railroad bridges
One of the most critical components of the US transportation system is railroads, accommodating transportation for 48% of the nation’s total modal tonnage. Despite such vital importance, more than half of the ...
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Article
A Simple Method to Predict Tensile Strength of Gravelly Soil Using Shear Strength Indexes
The tensile strength of gravelly soil plays a decisive role in the formation or initiation of longitudinal cracks or hydraulic fracturing in the core of earth and rockfill dams. For this study, a...
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Article
Mechanical Properties of Support Forms for Fault Fracture Zone in Subsea Tunnel
Subsea tunnels crossing a fault fracture zone have been a key issue for tunnel construction. Low rock mass strength in the fault fracture zone, poor self stabilization of the broken surrounding rock and comple...
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Article
Integration of a New Sheet-Pile Wall and Old Gravity Revetment - a Stability Study
To study the performance of a sheet-pile wall reinforcing an old gravity revetment, a 3-m-deep excavation was carried out in front of a 10-m-long sheet-pile wall. The excavation was simulated by finite-element...
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Article
Analytical Solution for Fracture of Stope Roof Based on Pasternak Foundation Model
To analyze the stress and deformation law of a stope roof, the coal seam and direct roof in front of the coal wall are regarded as an elastic foundation. The deflection-differential equation of the roof rock b...
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Article
Drag Force Effect of Surface Runoff on Stability of Shallow Soil Slope
The softening and degradation effects of water on soil mass, increase of pore water pressure, and reduction of matric suction are usually considered for analyzing the contributions of rainfall to the failure o...
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Article
Influence of High Voltage Gradients on Electrokinetic Dewatering for Wenzhou Clay Slurry Improvement
Laboratory experiments were conducted to examine the feasibility and determine the optimal voltage gradient of electrokinetic consolidation of Wenzhou clay slurry with a small amount of fine sand. During the p...
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Article
Influence of Soluble Salt on Electro-Osmotic Consolidation of Soft Clay
A series of electro-osmotic consolidation laboratory tests was conducted to investigate the influence of soluble salt on the electro-osmotic consolidation of soft clay. Remolded soil samples with different sal...
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Article
A Model Characterizing Deterioration at Earthen Sites of the Ming Great Wall in Qinghai Province, China
Several types of deterioration have developed at earthen sites of the Ming Great Wall in Qinghai Province, including cracks, gullies, collapses, sap**, and scaling off, the first four of which could threaten...
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Article
Mechanism and Remediation of a Seismically Induced Landslide with a Potential for Deep Seated Sliding
This paper presents a study of the failure mechanism and control measures for a seismically induced landslide along the Wanzhou-Liang** expressway in China. It is shown that the dominant cause of the slope s...
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Article
Expansion Model Test of Expansive Soil in Different Stress State
The hydroscopic expansion of expansive soil always leads to engineering safety problems. With mid-expansive soil at Nanyang, the relationship among the expansion ratio caused by total wetting of expansive soil...
