Performance evaluation on fixed water-based firefighting system in suppressing large fire in urban tunnels
•Water-based fixed firefighting (WFFF) systems are installed in many road tunnels.•Operating WFFF system might affect performance of longitudinal ventilation system.•Performance of WFFF systems with and without shields to fire source were evaluated.•Test results under 20 MW diesel pool fires or wood...
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| Veröffentlicht in: | Tunnelling and underground space technology 2019-02, Vol.84, p.56-69 |
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| container_title | Tunnelling and underground space technology |
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| creator | Li, J. Li, Y.F. Bi, Q. Li, Y. Chow, W.K. Cheng, C.H. To, C.W. Chow, C.L. |
| description | •Water-based fixed firefighting (WFFF) systems are installed in many road tunnels.•Operating WFFF system might affect performance of longitudinal ventilation system.•Performance of WFFF systems with and without shields to fire source were evaluated.•Test results under 20 MW diesel pool fires or wood pallet fires are reported.
Operating fixed water-based firefighting systems (FFFS) might affect the performance of other parts of an integrated tunnel safety system, particularly the longitudinal ventilation system. The interaction of the water spray discharged from two FFFS (with and without foam), with the longitudinal ventilation system in a new city tunnel under construction was studied by full-scale burning tests. Results of the study under large fires up to 20 MW in diesel pool fires or wood pallet fires are reported in this paper. The impact of longitudinal ventilation, the activation sequences of the ventilation system and the fixed fire-fighting system, and the performance of the two FFFS in suppressing vehicular fires with and without shields to fire sources were evaluated. Results are expected to be useful for drafting appropriate fire codes on fire suppression systems for controlling urban tunnel fires. |
| doi_str_mv | 10.1016/j.tust.2018.10.020 |
| format | Article |
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Operating fixed water-based firefighting systems (FFFS) might affect the performance of other parts of an integrated tunnel safety system, particularly the longitudinal ventilation system. The interaction of the water spray discharged from two FFFS (with and without foam), with the longitudinal ventilation system in a new city tunnel under construction was studied by full-scale burning tests. Results of the study under large fires up to 20 MW in diesel pool fires or wood pallet fires are reported in this paper. The impact of longitudinal ventilation, the activation sequences of the ventilation system and the fixed fire-fighting system, and the performance of the two FFFS in suppressing vehicular fires with and without shields to fire sources were evaluated. Results are expected to be useful for drafting appropriate fire codes on fire suppression systems for controlling urban tunnel fires.</description><identifier>ISSN: 0886-7798</identifier><identifier>EISSN: 1878-4364</identifier><identifier>DOI: 10.1016/j.tust.2018.10.020</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Fire codes ; Fire fighting ; Fire suppression ; Firefighters ; Full-scale burning test ; Longitudinal ventilation ; Performance evaluation ; Pool fires ; Sequences ; Tunnel construction ; Tunnel safety ; Tunnels ; Urban areas ; Ventilation ; Water-based firefighting system</subject><ispartof>Tunnelling and underground space technology, 2019-02, Vol.84, p.56-69</ispartof><rights>2018 Elsevier Ltd</rights><rights>Copyright Elsevier BV Feb 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-e5999742c906403007f50b634f0561d6915dfe55d63414a310edfee46d74b4f43</citedby><cites>FETCH-LOGICAL-c328t-e5999742c906403007f50b634f0561d6915dfe55d63414a310edfee46d74b4f43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0886779817310532$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Li, J.</creatorcontrib><creatorcontrib>Li, Y.F.</creatorcontrib><creatorcontrib>Bi, Q.</creatorcontrib><creatorcontrib>Li, Y.</creatorcontrib><creatorcontrib>Chow, W.K.</creatorcontrib><creatorcontrib>Cheng, C.H.</creatorcontrib><creatorcontrib>To, C.W.</creatorcontrib><creatorcontrib>Chow, C.L.</creatorcontrib><title>Performance evaluation on fixed water-based firefighting system in suppressing large fire in urban tunnels</title><title>Tunnelling and underground space technology</title><description>•Water-based fixed firefighting (WFFF) systems are installed in many road tunnels.•Operating WFFF system might affect performance of longitudinal ventilation system.•Performance of WFFF systems with and without shields to fire source were evaluated.•Test results under 20 MW diesel pool fires or wood pallet fires are reported.
Operating fixed water-based firefighting systems (FFFS) might affect the performance of other parts of an integrated tunnel safety system, particularly the longitudinal ventilation system. The interaction of the water spray discharged from two FFFS (with and without foam), with the longitudinal ventilation system in a new city tunnel under construction was studied by full-scale burning tests. Results of the study under large fires up to 20 MW in diesel pool fires or wood pallet fires are reported in this paper. The impact of longitudinal ventilation, the activation sequences of the ventilation system and the fixed fire-fighting system, and the performance of the two FFFS in suppressing vehicular fires with and without shields to fire sources were evaluated. Results are expected to be useful for drafting appropriate fire codes on fire suppression systems for controlling urban tunnel fires.</description><subject>Fire codes</subject><subject>Fire fighting</subject><subject>Fire suppression</subject><subject>Firefighters</subject><subject>Full-scale burning test</subject><subject>Longitudinal ventilation</subject><subject>Performance evaluation</subject><subject>Pool fires</subject><subject>Sequences</subject><subject>Tunnel construction</subject><subject>Tunnel safety</subject><subject>Tunnels</subject><subject>Urban areas</subject><subject>Ventilation</subject><subject>Water-based firefighting system</subject><issn>0886-7798</issn><issn>1878-4364</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLxDAUhYMoOI7-AVcF1x1vHm1TcCODLxB0oeuQtjdjSqetSTo6_97UcS0Ekpycc8P5CLmksKJA8-t2FSYfVgyojMIKGByRBZWFTAXPxTFZgJR5WhSlPCVn3rcAkDFWLkj7is4Mbqv7GhPc6W7SwQ59Epex39gkXzqgSyvt49lYh8ZuPoLtN4nf-4DbxPaJn8bRofez2mm3wV_j_DK5SvdJmPoeO39OTozuPF787Uvyfn_3tn5Mn18enta3z2nNmQwpZmVZFoLVJeQCOEBhMqhyLgxkOW3ykmaNwSxrokSF5hQw3lHkTSEqYQRfkqvD3NENnxP6oNphcn38UjEqOYgMOI0udnDVbvA-9lKjs1vt9oqCmpmqVs1M1cx01iLTGLo5hGId3Fl0ytcWI7omFq6Dagb7X_wHH9yBKw</recordid><startdate>201902</startdate><enddate>201902</enddate><creator>Li, J.</creator><creator>Li, Y.F.</creator><creator>Bi, Q.</creator><creator>Li, Y.</creator><creator>Chow, W.K.</creator><creator>Cheng, C.H.</creator><creator>To, C.W.</creator><creator>Chow, C.L.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>201902</creationdate><title>Performance evaluation on fixed water-based firefighting system in suppressing large fire in urban tunnels</title><author>Li, J. ; Li, Y.F. ; Bi, Q. ; Li, Y. ; Chow, W.K. ; Cheng, C.H. ; To, C.W. ; Chow, C.L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-e5999742c906403007f50b634f0561d6915dfe55d63414a310edfee46d74b4f43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Fire codes</topic><topic>Fire fighting</topic><topic>Fire suppression</topic><topic>Firefighters</topic><topic>Full-scale burning test</topic><topic>Longitudinal ventilation</topic><topic>Performance evaluation</topic><topic>Pool fires</topic><topic>Sequences</topic><topic>Tunnel construction</topic><topic>Tunnel safety</topic><topic>Tunnels</topic><topic>Urban areas</topic><topic>Ventilation</topic><topic>Water-based firefighting system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, J.</creatorcontrib><creatorcontrib>Li, Y.F.</creatorcontrib><creatorcontrib>Bi, Q.</creatorcontrib><creatorcontrib>Li, Y.</creatorcontrib><creatorcontrib>Chow, W.K.</creatorcontrib><creatorcontrib>Cheng, C.H.</creatorcontrib><creatorcontrib>To, C.W.</creatorcontrib><creatorcontrib>Chow, C.L.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Tunnelling and underground space technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, J.</au><au>Li, Y.F.</au><au>Bi, Q.</au><au>Li, Y.</au><au>Chow, W.K.</au><au>Cheng, C.H.</au><au>To, C.W.</au><au>Chow, C.L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Performance evaluation on fixed water-based firefighting system in suppressing large fire in urban tunnels</atitle><jtitle>Tunnelling and underground space technology</jtitle><date>2019-02</date><risdate>2019</risdate><volume>84</volume><spage>56</spage><epage>69</epage><pages>56-69</pages><issn>0886-7798</issn><eissn>1878-4364</eissn><abstract>•Water-based fixed firefighting (WFFF) systems are installed in many road tunnels.•Operating WFFF system might affect performance of longitudinal ventilation system.•Performance of WFFF systems with and without shields to fire source were evaluated.•Test results under 20 MW diesel pool fires or wood pallet fires are reported.
Operating fixed water-based firefighting systems (FFFS) might affect the performance of other parts of an integrated tunnel safety system, particularly the longitudinal ventilation system. The interaction of the water spray discharged from two FFFS (with and without foam), with the longitudinal ventilation system in a new city tunnel under construction was studied by full-scale burning tests. Results of the study under large fires up to 20 MW in diesel pool fires or wood pallet fires are reported in this paper. The impact of longitudinal ventilation, the activation sequences of the ventilation system and the fixed fire-fighting system, and the performance of the two FFFS in suppressing vehicular fires with and without shields to fire sources were evaluated. Results are expected to be useful for drafting appropriate fire codes on fire suppression systems for controlling urban tunnel fires.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.tust.2018.10.020</doi><tpages>14</tpages></addata></record> |
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| identifier | ISSN: 0886-7798 |
| ispartof | Tunnelling and underground space technology, 2019-02, Vol.84, p.56-69 |
| issn | 0886-7798 1878-4364 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Fire codes Fire fighting Fire suppression Firefighters Full-scale burning test Longitudinal ventilation Performance evaluation Pool fires Sequences Tunnel construction Tunnel safety Tunnels Urban areas Ventilation Water-based firefighting system |
| title | Performance evaluation on fixed water-based firefighting system in suppressing large fire in urban tunnels |
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