Civil Engineering

Fixed-Charge Transportation with Product Blending

submitted by jadeth 16 hours ago

Numerous planning models within the chemical, petroleum, and process industries involve coordinating the movement of raw materials in distribution networks so they can be blended into final product...

1 dig(s)

Promoting Incentives: Performance Improvement in Container Port Terminals

submitted by prikaenyon 16 hours ago

Most ports in developed countries have undergone the process of privatization. One of the often-cited drawbacks of this phenomenon is that, in the case of little competition among private operators...

1 dig(s)

Robust Airline Schedule Planning: Minimizing Propagated Delay in an Integrated Routing and Crewing Framework

submitted by MavericTr 16 hours ago

For reasons of tractability, the airline scheduling problem has traditionally been sequentially decomposed into various stages (e.g., schedule generation, fleet assignment, aircraft routing, and cr...

1 dig(s)

Railway Rolling Stock Planning: Robustness Against Large Disruptions

submitted by eaono2095 16 hours ago

In this paper we describe a two-stage optimization model for determining robust rolling stock circulations for passenger trains. Here robustness means that the rolling stock circulations can better...

1 dig(s)

Embedding Risk Attitudes in a Scheduling Model: Application to the Study of Commuting Departure Time

submitted by kochrchi 16 hours ago

In traditional travel time reliability valuation studies, the value of travel time savings and the value of travel time reliability (or reduced time variability) are estimated within a linear utili...

1 dig(s)

Addressing Passenger Risk Uncertainty for Aviation Security Screening

submitted by welcos3221 16 hours ago

Within the aviation security system, the preeminent objective of passenger and baggage screening is to prevent prohibited items from entering the airport terminal and getting put onboard a commerci...

1 dig(s)

Thermal conductivity of intumescent coating char after accelerated aging

submitted by cherrypicker 1 day ago

This paper presents the results of an experimental and numerical simulation study to obtain thermal conductivity of intumescent coating after accelerated aging. Two types of intumescent coating wer...

1 dig(s)

Modelling decomposition and fire behaviour of small samples of a glass-fibre-reinforced polyester/balsa-cored sandwich material

submitted by armadillo 1 day ago

This publication presents the experimental and numerical methods to model the devolatilization process of a glass-fibre-reinforced polyester/balsa-cored sandwich material on small scale. The fundam...

1 dig(s)

Combining an Angle Criterion with Voxelization and the Flying Voxel Method in Reconstructing Building Models from LiDAR Data

submitted by glniwtan 1 day ago

Documentation capabilities of laser scanning technology can be further exploited for urban modeling through the transformation of resulting point clouds into solid models compatible for computation...

1 dig(s)

Evaluation of micro-structural damage caused by needle penetration testing

submitted by jisascall 2 days ago

The needle penetrometer (NP) is a non-destructive, cheap and simple device which can be used indirectly to obtain the uniaxial compressive strength of extremely weak rocks. It requires little sampl...

1 dig(s)

Controlling subsidence caused by de-watering in a deep foundation pit

submitted by MohamEnz 2 days ago

In China, more and more underground structures are being built close to buildings of architectural merit. When installing deep foundations, three ways of controlling seepage are suggested. In Mode ...

1 dig(s)

Assessing the practicality of the centrifuge method for 1-D consolidation

submitted by jbierzo 2 days ago

Conventional laboratory consolidation tests usually take weeks to conduct, depending on the field loading conditions. While centrifuge consolidation has been proven to shorten this period significa...

1 dig(s)

Predicting the saturated hydraulic conductivity of soils: a review

submitted by rodasistros 2 days ago

This paper examines and assesses predictive methods for the saturated hydraulic conductivity of soils. The soil definition is that of engineering. It is not that of soil science and agriculture, wh...

1 dig(s)

Evaluation of cementation of Jeju coastal sediments using in situ tests

submitted by AddisoQuin 2 days ago

A series of SPT, CPT and SPS tests were performed for Jeju coastal sediments in order to investigate the possibility of detecting the cementation of granular sediments by in situ tests. Plotting th...

1 dig(s)