25 Result(s)
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Article
Fe2O3 as indicator of heavy metal enrichment in Zhujiang (Pearl River) estuary sediments
A part of the heavy metals in estuary and coastal zone occurs naturally in the environment; the other part is due to human activity; so the directly measured concentration of heavy metal does not automatically...
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Article
Spray Measurements of an Upright Fire Sprinkler
Measurements were conducted to characterize the spray patterns of an upright fire sprinkler in the near and far field of the sprinkler. The spatial distribution of droplet size, velocity and number density in ...
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Article
A Simplified Mathematical Model for Predicting the Vertical Temperature Profiles in Enclosure Fires Without Vertical Opening
This paper presents a mathematical model to predict the instantaneous temperature profiles in sealed or ceiling vented compartment fires. It has been observed in the existing research that in compartments with...
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Article
Horizontal Flame Spread Characteristics of Rigid Polyurethane and Molded Polystyrene Foams Under Externally Applied Radiation at Two Different Altitudes
To investigate the characteristics of horizontal flame spread over two kinds of typical insulation materials (rigid polyurethane and molded polystyrene foams) under externally applied radiant flux, a series of...
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Article
A multi-objective DCP model for bi-level resource-constrained project scheduling problems in grounding grid system project under hybrid uncertainty
Since more elements are involved in the construction projects, the decision making process of Resource-constrained Project Scheduling Problems (RCPSP) cannot be determined by a manager, but multiple level deci...
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Article
Group effect of dragload in pile groups embedded in consolidating soil under embankment load
In this paper, model tests and numerical simulations on 3 × 3 pile group embedded in consolidating soil under embankment load with different pile spacings are carried out. Single pile and 2 × 2 pile group are ...
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Article
SMART Sprinkler Protection for Highly Challenging Fires—Part 2: Full-Scale Fire Tests in Rack Storage
An experimental study was conducted to demonstrate the concept of a new sprinkler protection system using Simultaneous Monitoring, Assessment and Response Technology (SMART). Part I of this study focuses on th...
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SMART Sprinkler Protection for Highly Challenging Fires—Part 1: System Design and Function Evaluation
An experimental study was conducted to prove the concept of a new protection system—a sprinkler system that uses Simultaneous Monitoring, Assessment and Response Technology (SMART). The present work focuses on...
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Article
A Simplified Approach for Fire Resistance Design of High Strength Q460 Steel Beams Subjected to Non-uniform Temperature Distribution
Presented in this paper is an analytical investigation on fire resistance of high strength Q460 steel beam subjected to non-uniform temperature distribution. Based on the critical bending moment associated wit...
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Article
A Simple Method for Calculating Settlement-Time Curves of PVD-Improved Deposits
A simple method has been proposed for calculating the settlement-time curves of deposits improved by prefabricated vertical drains (PVDs). This method considers the vertical and radial horizontal drainage effe...
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Article
Numerical Study: Influences of Local Radial Consolidation for Soft Clay
The permeability reduction behavior induced by local consolidation around a prefabricated vertical drain under equal vertical strain condition was investigated by finite element analysis (FEA) using a unit cel...
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Article
An Approach Integrating Dimensional Analysis and Field Data for Predicting the Load on Tunneling Machine
The forecast of machine performance has been widely discussed in recent years, where accurate predictions with common regularity could reduce costs and achieve time-efficient construction. This study uses the ...
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Article
Comparative analysis of thermodynamic theoretical models for energy consumption of CO2 capture
CO2 capture is considered an effective technology to control the CO2 level in the atmosphere, but its development has been restricted due to its high energy requirement during CO2 concentration. Theoretical therm...
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Article
Seismic Analysis for Nuclear Power Safety Related Bridge
For the first time in China’s nuclear power industry, an in-plant emergency access bridge is proposed to be constructed. This bridge inside the nuclear power plants will serve as an important emergency evacuat...
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Article
Evaluation of ageing behaviors of asphalt binders using FTIR tests
The main objective of this study was to evaluate ageing behaviors of matrix and modified asphalt binders using different Fourier transform infrared (FTIR) spectral indices, based on FTIR tests. These FTIR indi...
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Article
Influence of Wet-Dry Cycles on Uniaxial Compression Behavior of Fissured Loess Disturbed by Vibratory Loads
In this study, the influence of wet-dry cycles on the uniaxial compression behavior of fissured loess after vibration was investigated by small shaking table tests, wet-dry tests, and uniaxial compression test...
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Article
Experimental and Numerical Parametric Study of the Mechanical Properties in a Steel–Concrete Joint Section
This paper focuses on the first railway hybrid cable-stayed bridge in the world. The force-transfer performance of the steel–concrete joint section is studied through model experiments, and the influence of va...
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Article
Soil seismic analysis for 2D oblique incident waves using exact free-field responses by frequency-based finite/infinite element method
The seismic analysis of a viscoelastic half-space under two-dimensional (2D) oblique incident waves is carried out by the finite/infinite element method (FIEM). First, the frequency-domain exact solutions for ...
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Article
Law and Early Warning of Vertical Sluice Cluster Displacements in Soft Coastal Soil
The vertical displacement, which is the product of natural sources and human activities, is the key factor affecting the sluice safety. This study provides a systematic approach used for analyzing the law and ...
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Article
A Novel Model for Mechanics and Safety Calculation of Pipe Roof Based on the Load Transfer Mechanism
A novel model is created in this paper to realize the systematic evaluation of the mechanical properties and construction safety of the pipe roof support system. The pipe roof is split into supported area, unl...
