Time Series Analysis of Acoustic Emissions in Prefabricated Utility Tunnel During the Sealing Test
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Geosynthetics and Ground Engineering"
DOI: 10.1007/s40891-020-00239-6
Abstract: Utility tunnel is increasingly applied for underground space development, and its health monitoring becomes attractively important. The acoustic emission (AE) technology is often used for damage monitoring of small-scale specimens made of concrete or rock… read more here.
Keywords: utility; utility tunnel; analysis; sealing test ... See more keywords
Shaking table tests of the seismic response of a utility tunnel with a joint connection
Sign Up to like & getrecommendations! Published in 2020 at "Soil Dynamics and Earthquake Engineering"
DOI: 10.1016/j.soildyn.2020.106133
Abstract: Abstract A utility tunnel is characterized by a large span and segmental underground structure, which will produce many joint connections in the practical engineering. The existence of joints will reduce the stiffness and integrity of… read more here.
Keywords: response; connection; joint connection; utility tunnel ... See more keywords
An integrated system framework of building information modelling and geographical information system for utility tunnel maintenance management
Sign Up to like & getrecommendations! Published in 2018 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2018.05.010
Abstract: Abstract Utility tunnel should be well maintained for it services public pipelines and city operation. In the recent time, utility tunnel has been operated via computer maintenance management systems (CMMS) or building automation systems (BAS).… read more here.
Keywords: utility tunnel; maintenance management; information; system ... See more keywords
Experimental reduced-scale study on the resistance characteristics of the ventilation system of a utility tunnel under different pipeline layouts
Sign Up to like & getrecommendations! Published in 2019 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2019.04.021
Abstract: Abstract With the rapid development of urban society, the advantages of utility tunnels are becoming increasingly prominent. As an important parameter of the ventilation system designed for use in a utility tunnel, the ventilation resistance… read more here.
Keywords: pipeline; ventilation system; utility tunnel; resistance ... See more keywords
A risk assessment model of a sewer pipeline in an underground utility tunnel based on a Bayesian network
Sign Up to like & getrecommendations! Published in 2020 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2020.103473
Abstract: Abstract A utility tunnel typically houses various types of urban lifelines. As one of the assembled pipelines in a utility tunnel, the sewer pipeline is of great importance for city life. For example, leakage of… read more here.
Keywords: utility tunnel; risk assessment; sewer pipeline; pipeline ... See more keywords
Effects of Different Coherency Models on Utility Tunnel through Shaking Table Test
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Earthquake Engineering"
DOI: 10.1080/13632469.2018.1452807
Abstract: ABSTRACT Since defining ground motions is crucial for reliable analysis of structural responses, it is vital to select coherency model when conducting seismic analyses of extended structures under nonuniform excitation. In the present paper, a… read more here.
Keywords: coherency; different coherency; utility tunnel; shaking table ... See more keywords
Air Conditioning System Design to Reduce Condensation in an Underground Utility Tunnel Using CFD
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3219210
Abstract: In this study, the internal environment such as the air temperature, humidity, and wall temperature of the underground utility tunnel, was analyzed. The current status and problems of the air conditioning system were examined by… read more here.
Keywords: inline formula; condensation; air; utility tunnel ... See more keywords
Influence of maintenance methods on temperature and thermal stress of utility tunnel at early-age
Sign Up to like & getrecommendations! Published in 2022 at "Advances in Mechanical Engineering"
DOI: 10.1177/16878132221083406
Abstract: In order to reduce and control the generation and development of early cracks in the concrete utility tunnel, ABAQUS finite element software was used to model the temperature field and thermal stress of early-age concrete… read more here.
Keywords: early age; control; thermal stress; temperature ... See more keywords
Response and failure mechanism of utility tunnel with flexible joints under reverse fault: An experimental, numerical, and analytical investigation
Sign Up to like & getrecommendations! Published in 2023 at "Earthquake Spectra"
DOI: 10.1177/87552930221143144
Abstract: Severe seismic damage occurs to tunnels across or adjacent to the active faults in a high-intensity earthquake area. Therefore, investigating the response and failure mechanism of the utility tunnel structure with flexible joints across the… read more here.
Keywords: reverse fault; flexible joints; utility tunnel; tunnel ... See more keywords
Experimental study on fire characteristics in cable compartment of utility tunnel with natural ventilation
Sign Up to like & getrecommendations! Published in 2022 at "PLoS ONE"
DOI: 10.1371/journal.pone.0266773
Abstract: The fire characteristics under natural ventilation in the cable compartment of the utility tunnel are studied. A series of small-scale fire experimental tests are conducted to obtain the maximum temperature below the ceiling of different… read more here.
Keywords: cable; cable compartment; fire; utility tunnel ... See more keywords