{"id":20480,"date":"2024-03-19T15:14:58","date_gmt":"2024-03-19T12:14:58","guid":{"rendered":"https:\/\/bimsolutions.ge\/eng\/?p=20480"},"modified":"2024-03-19T15:16:13","modified_gmt":"2024-03-19T12:16:13","slug":"historical-norwegian-truss-bridge-retrofit","status":"publish","type":"post","link":"https:\/\/bimsolutions.ge\/eng\/blog\/historical-norwegian-truss-bridge-retrofit\/","title":{"rendered":"Historical Norwegian truss bridge retrofit"},"content":{"rendered":"

Aas-Jakobsen’s restoration of the 1933 Nisja truss bridge in Sunndal kommune, M\u00f8re og Romsdal in Norway required a masterful blend of heritage conservation and modern structural engineering. The project, spearheaded by Structural Consultant Engineer, Herman Hagen Horvei, was tasked with restoring this historical landmark to meet contemporary structural safety standards. The selection of IDEA StatiCa was a strategic decision, influenced by its precision in connection calculations, the efficiency of its workflows, and its ability to mitigate risks in complex structural assessments.<\/p>\n

About the project<\/h3>\n

Herman Hagen Horvei, a structural consultant engineer at Aas-Jakobsen, led the project of assessing and possibly retrofitting an old truss bridge in central Norway. The historical truss bridge, constructed in 1933, necessitating a detailed structural assessment to meet contemporary engineering standards. Despite limited original drawings and the bridge’s age, Aas-Jakobsen embarked on this ambitious project to restore and reinforce the bridge’s integrity.<\/p>\n

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Engineering challenges<\/h3>\n

The project’s main hurdle was the lack of original construction blueprints, a significant obstacle in preserving the bridge’s historical integrity. Additionally, accurately modeling the aged joint structures was paramount to ensure the bridge’s safety and longevity. Approximately 60% of the workload was dedicated to controlling the joints due to their unique nature and various configurations along the bridge, requiring extensive manual checks and modeling.<\/p>\n

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IDEA StatiCa’s advanced simulation and visualization tools<\/a>\u00a0were employed to overcome these challenges. Its\u00a0BIM integration with STAAD.Pro<\/a>\u00a0facilitated seamless collaboration and data sharing among the project team, proving invaluable in bridging the gap between old designs and modern engineering standards.<\/p>\n

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Solutions and results<\/h3>\n

While IDEA StatiCa required an initial investment of time for detailed analysis, it ultimately led to more accurate conclusions than simplified calculations, which could have been misleading. The project took several weeks of meticulous drawing and modeling, demonstrating IDEA StatiCa\u2019s efficiency in handling complex tasks.<\/p>\n

” IDEA StatiCa enabled the team to accurately model complex joint structures, vital for the bridge’s safety and functionality.”<\/p>\n

Herman Hagen Horvei<\/p>\n

Structural Consultant Engineer \u2013 Aas-Jakobsen
\nNorway<\/p>\n

 <\/p>\n

The software’s ability to handle detailed calculations and visualize complex joints proved essential in arriving at accurate conclusions, avoiding the oversimplifications that could have led to incorrect assumptions about the bridge’s structural integrity.<\/p>\n

Approximately 27 more-or-less unique joints were modeled for the project, with some of them being variations of each other.<\/p>\n

The connection pictured below is the new bracing solution that was proposed for the bridge in order to raise the clearance height. IDEA StatiCa concluded that this solution had the needed capacity to carry the lateral wind loads.<\/p>\n

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The connection in the next figure is the splice of the bottom chord, which also connects the middle vertical bar to the top chord. This was a rather complex joint and it was not so easy to decipher how the joint was constructed based on the original drawings (see the drawing below the connection). Using IDEA StatiCa as a visualization tool was therefore very helpful in making sure they had the correct interpretation of the drawings.<\/p>\n

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” We were quite surprised to see that some of the joints were highly utilized, demonstrating that IDEA StatiCa helped us uncover crucial insights.”<\/p>\n

Herman Hagen Horvei<\/p>\n

Structural Consultant Engineer \u2013 Aas-Jakobsen<\/div>\n
Norway<\/div>\n
<\/div>\n
IDEA StatiCa’s analysis revealed unexpectedly high utilization in some joints, contrary to initial assumptions. This finding underscored the importance of thorough joint checks in such projects. The visual tools of IDEA StatiCa were also instrumental in convincing the client of the project’s complexity and necessity.<\/div>\n
<\/div>\n
\"\" \"\" \"\"<\/div>\n
<\/div>\n
“IDEA StatiCa\u2019s precision in analyzing complex joint structures was a game-changer for us.”<\/div>\n
\n

Herman Hagen Horvei<\/p>\n

<\/div>\n
Structural Consultant Engineer \u2013 Aas-Jakobsen
\nNorway<\/div>\n
\n

 <\/p>\n

Additionally, IDEA StatiCa’s user-friendly interface and the generation of\u00a0comprehensive reports<\/a>\u00a0enhanced communication with stakeholders, making it easier to convey complex design details and justify the project’s complexity and necessity.<\/p>\n

\"\"<\/div>\n<\/div>\n<\/div>\n
<\/div>\n
In conclusion, IDEA StatiCa was invaluable in this project, enabling efficient design optimizations that led to material and time savings. Its comprehensive analysis capabilities, coupled with enhanced visualization and reporting tools, facilitated a more thorough and accurate understanding of the bridge\u2019s structure, crucial for this large-scale retrofitting project.<\/div>\n","protected":false},"excerpt":{"rendered":"

Aas-Jakobsen’s restoration of the 1933 Nisja truss bridge in Sunndal kommune, M\u00f8re og Romsdal in …<\/p>\n","protected":false},"author":11,"featured_media":20481,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"acf":[],"yoast_head":"\nHistorical Norwegian truss bridge retrofit - bimsolutions.ge<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bimsolutions.ge\/eng\/blog\/historical-norwegian-truss-bridge-retrofit\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Historical Norwegian truss bridge retrofit - bimsolutions.ge\" \/>\n<meta property=\"og:description\" content=\"Aas-Jakobsen’s restoration of the 1933 Nisja truss bridge in Sunndal kommune, M\u00f8re og Romsdal in …\" \/>\n<meta property=\"og:url\" content=\"https:\/\/bimsolutions.ge\/eng\/blog\/historical-norwegian-truss-bridge-retrofit\/\" \/>\n<meta property=\"og:site_name\" content=\"bimsolutions.ge\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-19T12:14:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-19T12:16:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/bimsolutions.ge\/eng\/wp-content\/uploads\/2024\/03\/\u10d8\u10d3\u10d4\u10d0\u10d0.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"420\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"BIM\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"BIM\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/bimsolutions.ge\/eng\/blog\/historical-norwegian-truss-bridge-retrofit\/\",\"url\":\"https:\/\/bimsolutions.ge\/eng\/blog\/historical-norwegian-truss-bridge-retrofit\/\",\"name\":\"Historical Norwegian truss bridge retrofit - 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