{"id":12962,"date":"2023-11-29T09:58:49","date_gmt":"2023-11-29T08:58:49","guid":{"rendered":"https:\/\/letrainjaune.fr\/decouvrir-le-train-jaune\/vie-du-train\/building-the-gisclard-bridge-episode-2\/"},"modified":"2023-11-29T09:58:52","modified_gmt":"2023-11-29T08:58:52","slug":"building-the-gisclard-bridge-episode-2","status":"publish","type":"actualite","link":"https:\/\/letrainjaune.fr\/en\/discover-the-train-jaune\/life-of-the-train\/building-the-gisclard-bridge-episode-2\/","title":{"rendered":"Les carnets du Train Jaune – Building the Gisclard bridge (episode 2)"},"content":{"rendered":"\n

With this section and the collection\u00a0\u00ab\u00a0Les Carnets du Train Jaune<\/em>\u00a0\u00bb (Yellow Train Notebook, Ed. Talaia), we offer a retrospective, a journey back in time through the construction of the Yellow Train line and its history. This collection is the result of collaboration between the Parc Naturel R\u00e9gional des Pyr\u00e9n\u00e9es-Catalanes and historians Pierre Cazenove<\/em> and Jean-Louis Blanchon<\/em>.<\/p>\n\n

In this second part, we take a closer look at one of the technical feats of the Yellow Train line : construction of the Gisclard bridge ! <\/p>\n\n

The catastrophe of 31 October 1909<\/h2>\n\n

The tests of 31 October 1909<\/h3>\n\n

The Cassagne rigid suspension bridge ” Gisclard ” system was in fact a full-scale prototype. It would allow us to check whether the calculations that authorised its revolutionary design met the standards imposed by the Ministry of Public Works. The official tests to validate the structure took place on 30 and 31 October 1909. This certification was necessary for opening the line and allowing its commercial operation by the Compagnie des Chemins de Fer du Midi, which has obtained the concession. <\/p>\n

\"\"<\/a>
Gabriel Borrallo, conducteur des Ponts et Chauss\u00e9es, s\u2019affaire aupr\u00e8s d\u2019un enregistreur \u00e0 bande, directement reli\u00e9 \u00e0 un hauban. © Archives Mus\u00e9e de Cerdagne<\/span><\/figcaption><\/figure>\n

Bridge builder Ferdinand Arnodin, his son-in-law engineer Gaston Leinekugel Le Cocq, and Albert Gisclard were present for the tests on Saturday 30 and Sunday 31 October 1909. After passing over the bridge at reduced speed (22 km\/h), the train turned back at walking pace and parked for a few moments in the middle of the deck. It was loaded with 35 tonnes of railway sleepers, evenly distributed along the length of the structure. The train was then split into two equal parts, one of which would drive over the bridge several times to take further measurements, before heading for Mont-Louis \/ La Cabanasse. The other half of the train, which was to take the engineers and other personnel to Fontp\u00e9drouse, would be parked for an hour or so downstream of the bridge. <\/p>\n\n

The catastrophe of 31 October 1909<\/h3>\n\n

The official certification tests were entirely satisfactory and met the standards set by the Ministry of Public Works. Unfortunately, just as the engineers and staff preparing to leave for Fontp\u00e9drouse were completing their measurements and packing up their equipment, the train, under the responsibility of engineer Fran\u00e7ois-Joseph Lh\u00e9riaud, unexpectedly began to roll away. After a few minutes totally out of control, it ended up about 700m further on, crashing into the mountain walls. It was 31 October 1909, just before 1.00pm.<\/p>\n\n

Five people and Albert Gisclard (who left a widow and three orphans) were killed in this terrible tragedy. Fran\u00e7ois-Joseph Lh\u00e9riaud (traction engineer), Ferdinand Arnodin, and Gaston Leinekugel Le Cocq (who jumped from the moving train), with Fran\u00e7ois Calvo, an official with Cie. du Midi, and five other passengers, were only injured.<\/p>\n

\"\"<\/a>
L\u2019accident est le r\u00e9sultat d\u2019une succession d\u2019erreurs humaines. Deux hommes sont au c\u0153ur de la pol\u00e9mique qui s\u2019instaure lors de l\u2019enqu\u00eate et du proc\u00e8s afin de d\u00e9terminer les responsabilit\u00e9s de chacun\u00a0: Fran\u00e7ois-Joseph Lh\u00e9riaud, ing\u00e9nieur, chef de traction (employ\u00e9 de la Compagnie du Midi), pr\u00e9tend ne pas avoir donn\u00e9 l\u2019ordre d\u2019enlever les cales qui servaient \u00e0 immobiliser le convoi et Calvo (employ\u00e9 des Ponts et Chauss\u00e9es) dit l\u2019avoir entendu… Le train est-il parti en glissant tout frein bloqu\u00e9 comme on le lit si souvent\u00a0? La v\u00e9rit\u00e9 est certainement diff\u00e9rente. D\u00e8s le lendemain du drame, le freinage et la s\u00e9curit\u00e9 sont \u00e0 l\u2019origine de la pol\u00e9mique qui ne tarde pas \u00e0 faire rage. \n© Archives Didier Ch\u00e9not<\/span><\/figcaption><\/figure>","protected":false},"featured_media":12737,"template":"","actualite_category":[315],"class_list":["post-12962","actualite","type-actualite","status-publish","has-post-thumbnail","hentry","actualite_category-back-in-time"],"acf":[],"yoast_head":"\nLes carnets du Train Jaune - Building the Gisclard bridge (episode 2) - Let\u2019s Get on the Yellow Train<\/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:\/\/letrainjaune.fr\/en\/discover-the-train-jaune\/life-of-the-train\/building-the-gisclard-bridge-episode-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les carnets du Train Jaune - Building the Gisclard bridge (episode 2) - Let\u2019s Get on the Yellow Train\" \/>\n<meta property=\"og:description\" content=\"With this section and the collection\u00a0\u00ab\u00a0Les Carnets du Train Jaune\u00a0\u00bb (Yellow Train Notebook, Ed. 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