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| Author: | عماد تنبكجي |
| Category: | Household Appliance [Edit] |
| Language: | Arabic |
| Publisher: | دار دمشق للطباعة والصحافة والنشر السلسلة: في سبيل موسوعة هندسية |
| Release Date: | 01 Jan 1987 |
| Pages: | 104 |
| Rank: | 775,995 No 1 most popular |
| Short link: | Copy |
| More books like this book | |
إن الدرج، ما هو سوى سلسلة من الدرجات، تفصل فيما بين مجموعتين منها، ميدة او مصطبة إستراحة، وقد لا يحوي الدرج، على مثل تلك الميدة، بل تستمر درجاته، بلا إنقطاع إلى أن يصل المنسوب الأعلى المطلوب.
يركّب الدرج ليصل ما بين طابقين أو أكثر من طوابق البناء، يجهّز الدرج بوسائل وعناصر، تجعل وصوله إلى مستويات المنزل المختلفة، سهلاً ميسراً.
تحوي كافة طرز المنازل المعروفة أدراجاً، عدا تلك المسماة بالمنازل الريفيّة، الخالية من الأقبية، إذ لا نلاحظ لها، إدراجاً داخلية، إن أهم الإعتبارات، الواجب مراعاتها أثناء تصميم الأدراج، هي محاولة الإرتقاء والهبوط السهلين، إضافة إلى إنسجام مكوِّنات الدرج، مع متطلبات الأمان.
هذا، وسنتطرّق في هذا الجزء، إلى أنواع ومكوِّنات الأدراج، وإلى وسائل وطرق حسابها وأساليب تصميمها، إضافة إلى إحتواء الجزء، على ملحق يتعلّق بتفاصيل الأدراج المعدنية.
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