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CivilEng, Volume 3, Issue 1

March 2022 - 10 articles

Cover Story: The estimated length of sewer and clean water pipe networks in the UK is approximately 800,000 km. These assets are ageing, and knowledge on their current condition is often uncertain as traditional pipe monitoring methods are slow and disruptive and require human intervention. This issue indicates that faster and more versatile measurement techniques are needed. Fibre-optic-based sensing technology meets these criteria. This paper reviews the use of existing fibre-optic sensors in applications to pipe condition monitoring, leak detection and estimation of flow parameters, so as to illustrate their advantage over traditional pipe inspection methods. It also studies the issues of sensor retrofitting in existing pipes, and particularly the use of fibre-optic sensors in non-pressurised pipes. View this paper
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Articles (10)

  • Article
  • Open Access
19 Citations
10,633 Views
18 Pages

25 February 2022

With flooding and other weather events intensifying, more cost-effective erosion and flood control systems are needed. Vetiver (Chrysopogon zizanioides (L.) Roberty), is part of an arsenal of sustainable, low cost, and green infrastructure tools to r...

  • Article
  • Open Access
2 Citations
7,966 Views
12 Pages

12 February 2022

Concrete is increasingly utilized in the construction field in Southern Nevada. This area has an arid and hot summer and freezing cold winter conditions. These extreme conditions affect the properties of fresh concrete, which can cause cracking. Hot...

  • Review
  • Open Access
6 Citations
6,205 Views
19 Pages

A Review of Seven Tunnel Face Stability Models

  • Mahmoud Qarmout,
  • Diethard König and
  • Torsten Wichtmann

10 February 2022

This paper presents a review of selected tunnel stability models that have been developed and used in calculating the minimum tunnel face pressure as described by original authors. Furthermore, this paper provides a comparison of required tunnel face...

  • Review
  • Open Access
28 Citations
9,064 Views
29 Pages

Use of Fibre-Optic Sensors for Pipe Condition and Hydraulics Measurements: A Review

  • Jevgenija Prisutova,
  • Anton Krynkin,
  • Simon Tait and
  • Kirill Horoshenkov

27 January 2022

The combined length of the sewerage and clean water pipe infrastructure in the UK is estimated to be about 800,000 km. It is prone to failure due to its age and the inadequacies of the current pipe inspection methods. Fibre-optic cable sensing is an...

  • Article
  • Open Access
12 Citations
7,511 Views
19 Pages

21 January 2022

Conducting laboratory direct shear tests on granular materials is a common practice in geotechnical engineering. This is usually done by following the ASTM D3080/D3080M-11 (hereafter named ASTM), which stipulates a minimum required value of 10 for sp...

  • Article
  • Open Access
2 Citations
7,065 Views
15 Pages

10 January 2022

This study investigates the high contents of cementitious materials in Portland cement concrete and assesses the required (f’cr) and actual (σ) compressive strength of concrete specimens. A linear optimization technique identifies the req...

  • Article
  • Open Access
8 Citations
4,379 Views
16 Pages

8 January 2022

The determination of shear strength parameters for coarse granular materials such as rockfill and waste rocks is challenging due to their oversized particles and the minimum required ratio of 10 between the specimen width (W) and the maximum particle...

  • Article
  • Open Access
13 Citations
5,100 Views
14 Pages

Effect of Aramid Fibers on Balanced Mix Design of Asphalt Concrete

  • Hossein Noorvand,
  • Samuel Castro Brockman,
  • Michael Mamlouk and
  • Kamil Kaloush

27 December 2021

Fiber-reinforced asphalt concrete (FRAC) was tested using limestone, PG 64-22 binder, and 20% reclaimed asphalt pavement (RAP). After mixing fibers with different lengths and dosages, they were extracted and recovered to evaluate their dispersion in...

  • Article
  • Open Access
7 Citations
4,793 Views
20 Pages

An Analysis of Local and Combined (Global) Scours on Piers-on-Bank Bridges

  • Vidya Subhash Chavan,
  • Shen-En Chen,
  • Navanit Sri Shanmugam,
  • Wenwu Tang,
  • John Diemer,
  • Craig Allan,
  • Nicole Braxtan,
  • Tarini Shukla,
  • Tianyang Chen and
  • Zachery Slocum

21 December 2021

This paper examines the scour problems related to piers-on-bank bridges resulting from frequently flooded and/or constricted waterways. While local scour problems for bridge piers in riverine channels have been addressed extensively in the literature...

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CivilEng - ISSN 2673-4109