Results 11 to 20 of about 153 (144)

Experimental Study on Quick‐Locking Reinforcement Model for Local Defects in Pipelines in the Rich Water Area

open access: yesEngineering Reports
The management of local defects in municipal pipelines in water‐rich areas remains a significant challenge, particularly under high‐pressure conditions.
Zhicheng Luo, Xuefeng Yan
doaj   +2 more sources

Risks in the design of regional hydrogen hub systems: A review and commentary. [PDF]

open access: yesRisk Anal
Abstract Early investments in regional hydrogen systems carry two distinct types of risk: (1) economic risk that projects will not be financially viable, resulting in stranded capital, and (2) environmental risk that projects will not deliver deep reductions in greenhouse gas emissions and through leaks, perhaps even contribute to climate change.
Karplus VJ   +3 more
europepmc   +2 more sources

Real‐time vibration monitoring and analysis of agricultural tractor drivers using an IoT‐based system

open access: yesJournal of Field Robotics, Volume 40, Issue 7, Page 1723-1738, October 2023., 2023
Abstract Agricultural tractor drivers experience a high amplitude of vibration, especially during soil tillage operations. In the past, most research studied vibration exposure with more focus on the vertical (z) axis than on the fore‐and‐aft (x) and lateral (y) axes.
Amandeep Singh   +4 more
wiley   +1 more source

Developments and research directions in pipe jacking and microtunneling

open access: yesUnderground Space, 2020
This paper provides a review of the history and development of pipe jacking and microtunneling methods with extensive referencing to the published literature.
Raymond L. Sterling
doaj   +1 more source

Development of urban underground space in coastal cities in China: A review

open access: yesDeep Underground Science and Engineering, Volume 2, Issue 2, Page 148-172, June 2023., 2023
This study examines the current situation of underground space development, academic research, technology application, evaluation methods, planning, and legislation in coastal cities in China, analyzes the future development trends, and presents reasonable suggestions for the key scientific and technical problems faced by the development of underground
Peng Yu   +6 more
wiley   +1 more source

Smart water management

open access: yesRiver, Volume 2, Issue 1, Page 21-29, February 2023., 2023
Abstract Smart water enables utilities, regulators, and customers to make more timely and informed decisions about how they use and regard their water resources. It has been developed to assist demand management by influencing customer behavior and reducing network leakage, lowering energy consumption, and avoiding deploying assets that are not ...
David Lloyd Owen
wiley   +1 more source

Trenchless Execution of Microtunnels for Municipal Infrastructure in Urbanized Site – Conception of a New Solution

open access: yesManagement Systems in Production Engineering, 2020
The technologies for trenchless execution of mini and microtunnels for an installation of municipal infrastructure in urbanized sites, used at present, are described in the article.
Kotwica Krzysztof   +2 more
doaj   +1 more source

DIGITAL TOOLS IN THE DESIGN PRACTICE FOR RECONSTRUCTION OF UNDERGROUND PIPELINES WITH TRENCHLESS METHODS

open access: yesInternational Journal for Computational Civil and Structural Engineering, 2023
The article focuses on the possibilities of multi-optional design of repair and rehabilitation works on dilapidated pressure pipeline networks with the use of automated complexes in order to achieve minimum energy costs in water transportation with ...
Vladimir Orlov   +2 more
doaj   +1 more source

Seismic Response Analysis of Secondary Lining Polymer Grouting Debonding Repair for Tunnel Construction Based on Parameter Inversion

open access: yesAdvances in Civil Engineering, Volume 2023, Issue 1, 2023., 2023
The void phenomenon behind the tunnel lining has become the main cause of tunnel disease, easily triggering tunnel lining structure damage, shedding, water seepage, and other diseases that seriously threaten the normal operation of the tunnel. The void area behind the lining seriously reduces the seismic capacity of the tunnel.
Fengyang Miao   +8 more
wiley   +1 more source

The Catenary Method as an Alternative to the Horizontal Directional Drilling Trajectory Design in 2D Space

open access: yesEnergies, 2020
An increase in demand for energy natural resources has stimulated the development of gas pipeline networks in Europe, as well as globally. Also, in Poland in recent years there has been a significant increase in natural gas consumption.
Rafał Wiśniowski   +3 more
doaj   +1 more source

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