Ramtech Building Systems - Campus scolaire permanent
Ce projet prévoit 24 salles de classe standard pour accueillir jusqu'à 528 élèves supplémentaires. Le bâtiment comprend cinq salles de classe à usage spécial pour les programmes d'art, de musique, d'orthophonie et d'éducation spécialisée de l'école. Il comprend également une cafétéria avec une cuisine chauffante, des bureaux administratifs, une bibliothèque, un centre de tutorat et un laboratoire d'apprentissage, ainsi qu'une salle d'exercice polyvalente de 3 000 pieds carrés avec un revêtement de sol athlétique et une hauteur de plafond de 14 pieds. Nous avons incorporé un mélange de maçonnerie et d'EFIS qui complètent les structures existantes et donnent une apparence cohérente au campus. Le choix des finitions intérieures a été largement dicté par l'usage éducatif et comprend du plâtre peint, des carreaux résilients et céramiques, ainsi qu'un faux plafond acoustique.
Ramtech a développé son système PMC Slab-on-Grade comme un moyen efficace de fournir des planchers en béton tout en traitant les sols très expansifs que l'on trouve dans tout le Texas. Les installations PMC conventionnelles à pieux et à poutres nécessitent une fondation à poutre de niveau ou à mur de soutènement soutenue par des piliers forés sous l'arrosage. Ensuite, un pilier en blocs conventionnel supporte un système de plancher modulaire en acier avec un tablier en acier ondulé et trois pouces de béton léger coulé.
Cette redondance des structures (coût des fondations et d'un système de plancher modulaire) ajoute un coût considérable au projet. En utilisant une dalle de béton conventionnelle coulée en place, comme l'a prescrit l'ingénieur géotechnicien, puis en plaçant un module sans plancher directement sur la dalle, on obtient trois choses à moindre coût : une meilleure acoustique du plancher grâce à une masse plus importante (planchers silencieux) ; une entrée au niveau du sol à toutes les portes extérieures ; et il n'y a pas de vide sanitaire à ventiler, ce qui réduit considérablement la possibilité d'une mauvaise qualité de l'air à l'intérieur des bâtiments.
This article originally appeared in the Modular Advantage Magazine - First Quarter 2018 released in February 2018.
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