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Infrastructures, Volume 5, Issue 6

2020 June - 8 articles

Cover Story: Environmental impact assessment (EIA) involves evaluation of raw materials, processes and product manufacturing to obtain associated emissions and ecological impacts. Open-cut (OC) method of old pipeline replacement involves digging a trench, placing the pipe in the trench, embedding and backfilling. In comparison, CIPP method involves a fabric saturated with liquid thermoset resin that is inserted and cured inside the old pipeline to make a new pipe in-place after resin is cured. This paper compares sustainability impacts of these methods by reviewing literature on the environmental impacts of sanitary sewer pipeline replacements using United States Environmental Agency’s (USEPA’s) TRACI methodology of SimaPro software. It is shown that the two major factors influencing the environment are pipe material and diameter of the pipeline. View this paper
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Articles (8)

  • Article
  • Open Access
27 Citations
4,284 Views
15 Pages

Seismic Assessment of Six Typologies of Existing RC Bridges

  • Pietro Crespi,
  • Marco Zucca,
  • Nicola Longarini and
  • Nicola Giordano

Over the last few decades, the attention on the safety of existing reinforced concrete (RC) structures has significantly increased. RC bridges, in particular, are highly relevant for strategic importance. In the Italian context, several of these brid...

  • Article
  • Open Access
8 Citations
3,678 Views
27 Pages

Vision-Based Methodology for Characterizing the Flow of a High-Density Crowd on Footbridges: Strategy and Application

  • Jeroen Van Hauwermeiren,
  • Katrien Van Nimmen,
  • Peter Van den Broeck and
  • Maarten Vergauwen

Obtaining pedestrian trajectories by a vision-based methodology is receiving increasing attention in the literature over recent decades. Within the field of study of human-induced vibrations on footbridges, practical challenges arise when collecting...

  • Article
  • Open Access
22 Citations
6,131 Views
18 Pages

Damage Detection in Fiber-Reinforced Foamed Urethane Composite Railway Bearers Using Acoustic Emissions

  • Pasakorn Sengsri,
  • Chayut Ngamkhanong,
  • Andre Luis Oliveira de Melo,
  • Mayorkinos Papaelias and
  • Sakdirat Kaewunruen

To a certain degree, composite railway sleepers and bearers have been recently employed as a replacement for conventional timber sleepers. Importantly, attributed to the rise in traffic demand, structural health monitoring of track structural members...

  • Article
  • Open Access
19 Citations
4,705 Views
24 Pages

This article presents the latest improvements in a recently developed nondestructive testing (NDT) approach for early detection of various flaws (corrosion, delamination, and concrete cracking) in reinforced concrete (RC) bridge decks. The proposed m...

  • Technical Note
  • Open Access
15 Citations
9,976 Views
20 Pages

An environmental impact assessment (EIA) involves the evaluation of information about pipe raw materials, processes, and product manufacturing to obtain the associated emissions and ecological impacts. Open-cut (OC) pipeline replacement involves digg...

  • Article
  • Open Access
17 Citations
4,305 Views
11 Pages

The US Department of Transportation and Federal Highway Administration require routine inspections to monitor bridge deterioration. Typically, bridge inspections are conducted every 24 months. This timeframe was determined solely based on engineering...

  • Article
  • Open Access
20 Citations
14,886 Views
16 Pages

Optimization of Reinforced Concrete Retaining Walls Designed According to European Provisions

  • Foteini Konstandakopoulou,
  • Maria Tsimirika,
  • Nikos Pnevmatikos and
  • George D. Hatzigeorgiou

Reinforced concrete retaining walls are concrete structures that are built to retain natural soil or fill earth. This study examines the lower cost-optimized design of retaining walls. Recently, a large number of modern optimization techniques were p...

  • Article
  • Open Access
11 Citations
15,132 Views
20 Pages

Web-Based Architecture for Automating Quantity Surveying Construction Cost Calculation

  • Jabar H. Yousif,
  • Saif N. Abdul Majeed and
  • Fouad J. I. Al Azzawi

Quantity Surveying (QS) is a process concerned with controlling and managing the costs of construction projects. QS Measurement relies on sophisticated measurement rules that are understood by experienced practitioners. Traditional QS systems, such a...

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Infrastructures - ISSN 2412-3811