Analysis of the Optimal Span-Height Ratio and the Isolation Performance of the Square Pyramid Space Truss Structures
In order to study the reasonable span-height ratio and isolation performance of the structure under the action of earthquake, a series of square pyramid space truss structural models are established. The node displacement and overall steel consumption are taken as the control points to study the mos...
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| Format: | Article |
| Language: | English |
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Editorial Department of Journal of Nantong University (Natural Science Edition)
2020-09-01
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| Series: | Nantong Daxue xuebao. Ziran kexue ban |
| Subjects: | |
| Online Access: | https://ngzke.cbpt.cnki.net/portal/journal/portal/client/paper/995184634b58ae1c55c19548a9d6548f |
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| _version_ | 1849222393261719552 |
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| author | GU Zhenyuan; SHEN Wuqin; CHEN Runbo |
| author_facet | GU Zhenyuan; SHEN Wuqin; CHEN Runbo |
| author_sort | GU Zhenyuan; SHEN Wuqin; CHEN Runbo |
| collection | DOAJ |
| description | In order to study the reasonable span-height ratio and isolation performance of the structure under the action of earthquake, a series of square pyramid space truss structural models are established. The node displacement and overall steel consumption are taken as the control points to study the most reasonable span-to-height ratios of square pyramid space truss structural models with different spans, different plane forms and different supporting modes respectively. Then 4 types of square pyramid space truss structures with a span of 90 m and an optimal span-height ratio are selected to analyze the seismic response law of the isolated and non-isolated long-span truss structures by the time history analysis method. The results show that: the optimal span-height ratio of square pyramid space truss structures has little to do with its plane forms or supporting ways, it is related with the spans. The use of column base isolation makes the axial forces of members and maximum node acceleration of truss decrease greatly. Both the natural period and the seismic input have effects on the isolation efficiency in different degree. |
| format | Article |
| id | doaj-art-2b8cb00c457346449c3b1b9b93f08cd5 |
| institution | Kabale University |
| issn | 1673-2340 |
| language | English |
| publishDate | 2020-09-01 |
| publisher | Editorial Department of Journal of Nantong University (Natural Science Edition) |
| record_format | Article |
| series | Nantong Daxue xuebao. Ziran kexue ban |
| spelling | doaj-art-2b8cb00c457346449c3b1b9b93f08cd52025-08-26T05:42:42ZengEditorial Department of Journal of Nantong University (Natural Science Edition)Nantong Daxue xuebao. Ziran kexue ban1673-23402020-09-011903738210.12194/j.ntu.20190831001Analysis of the Optimal Span-Height Ratio and the Isolation Performance of the Square Pyramid Space Truss StructuresGU Zhenyuan; SHEN Wuqin; CHEN Runbo0School of Transportation and Civil Engineering, Nantong UniversityIn order to study the reasonable span-height ratio and isolation performance of the structure under the action of earthquake, a series of square pyramid space truss structural models are established. The node displacement and overall steel consumption are taken as the control points to study the most reasonable span-to-height ratios of square pyramid space truss structural models with different spans, different plane forms and different supporting modes respectively. Then 4 types of square pyramid space truss structures with a span of 90 m and an optimal span-height ratio are selected to analyze the seismic response law of the isolated and non-isolated long-span truss structures by the time history analysis method. The results show that: the optimal span-height ratio of square pyramid space truss structures has little to do with its plane forms or supporting ways, it is related with the spans. The use of column base isolation makes the axial forces of members and maximum node acceleration of truss decrease greatly. Both the natural period and the seismic input have effects on the isolation efficiency in different degree.https://ngzke.cbpt.cnki.net/portal/journal/portal/client/paper/995184634b58ae1c55c19548a9d6548fsquare pyramid space trussisolated structuresoptimal span-height ratiotime history analysis methodseismic response |
| spellingShingle | GU Zhenyuan; SHEN Wuqin; CHEN Runbo Analysis of the Optimal Span-Height Ratio and the Isolation Performance of the Square Pyramid Space Truss Structures Nantong Daxue xuebao. Ziran kexue ban square pyramid space truss isolated structures optimal span-height ratio time history analysis method seismic response |
| title | Analysis of the Optimal Span-Height Ratio and the Isolation Performance of the Square Pyramid Space Truss Structures |
| title_full | Analysis of the Optimal Span-Height Ratio and the Isolation Performance of the Square Pyramid Space Truss Structures |
| title_fullStr | Analysis of the Optimal Span-Height Ratio and the Isolation Performance of the Square Pyramid Space Truss Structures |
| title_full_unstemmed | Analysis of the Optimal Span-Height Ratio and the Isolation Performance of the Square Pyramid Space Truss Structures |
| title_short | Analysis of the Optimal Span-Height Ratio and the Isolation Performance of the Square Pyramid Space Truss Structures |
| title_sort | analysis of the optimal span height ratio and the isolation performance of the square pyramid space truss structures |
| topic | square pyramid space truss isolated structures optimal span-height ratio time history analysis method seismic response |
| url | https://ngzke.cbpt.cnki.net/portal/journal/portal/client/paper/995184634b58ae1c55c19548a9d6548f |
| work_keys_str_mv | AT guzhenyuanshenwuqinchenrunbo analysisoftheoptimalspanheightratioandtheisolationperformanceofthesquarepyramidspacetrussstructures |