الفئة: الهندسة

136 الهندسة

دراسة مقارنة لاساليب تقوية الاحزمة الخرسانية باستخدام القمصان الخرسانية و الالواح المعدنية pdf

Khalaf, Qasem
2015

ملخص الدراسة: In comparison with the option of “demolish and rebuild buildings”, sustainability can be better achieved by extending the life spans of existing structures. Rehabilitation of structures results in less construction waste materials, reserves natural resources, minimizes adverse environmental effects, saves time, saves cost, etc. The structural behavior of reinforced concrete beams strengthened with […]

125 الهندسة

نموذج لتقدير معدل انتاجية عمال الانشاءات في قطاع غزة باستخدام الشبكات العصبية الاصطناعية pdf

Mady, Mohammed
2014

ملخص الدراسة: Estimating the construction labor productivity considering the effect of multiple factors is important for construction planning, scheduling and estimating. In planning and scheduling, it is important to maximize labor productivity and forecast activity durations to achieve lower labor cost and shorter project duration. In estimating, it is important to predict labor costs. A […]

169 الهندسة

الخواص الميكانيكية للخرسانة باستخدام البلاستيك المعاد تدويره pdf

Abu Ishaiba, Ahmed
2016

ملخص الدراسة: Concrete is the most common material for human beings to use in construction. In this study, the behavior of the recycled plastic as aggregate in concrete has been investigated on compressive, tensile, and flexural strengths, weight reduction and workability. Also the impact resistance of concrete contains plastic aggregate has been carried out deeply […]

107 الهندسة

تحسين قوة الترابط بين طبقات الخرسانة pdf

Alhallaq, Ahmed F.
2014

ملخص الدراسة: توثيق المرجعي (APA)

123 الهندسة

تاثير مجموعة من المواد المائية على الخواص الميكانيكية للخرسانة الطازجة والمتصلبة pdf

Dabbour, Bassam S.
2014

ملخص الدراسة: The Nano materials (NM) are being used in several fields of civil engineering due to their significant impact on the properties of that field. Particularly, the NM have been widely used in concrete industry to produce a concrete with specific fresh and hardened properties; such as high strength, self-compactness, durability…etc. The main objective […]

108 الهندسة

تاثير مادتي نترات الامونيم وكبريتات الماغنيسيوم على الخواص الميكانيكية والفيزيائية للملاط الاسمنتي pdf

Shupair, Tamer Salah
2014

ملخص الدراسة: توثيق المرجعي (APA) Shupair, Tamer Salah (2014). Effects of nitrate and sulfate attacks on mechanical and physical properties of cement mortars. الجامعة الإسلامية – غزة. 19167

145 الهندسة

خواص خرسانة “المساحيق الفعالة “الطازجة والمتصلبة المنتجة محليا pdf

El-louh, Osama Mohammed
2014

ملخص الدراسة: توثيق المرجعي (APA) El-louh, Osama Mohammed (2014). Fresh and hardened properties of locally produced reactive powder concrete. الجامعة الإسلامية – غزة. 19164

152 الهندسة

تقوية الاعمدة الخرسانية المسلحة مربعة المقطع بعمل قمصان مصنعة من خرسانة عالية الاداء ، ذاتية الدمك ومدعمة بالياف البوليبروبلين pdf

Helles, Zakaria H.
2014

ملخص الدراسة: In recent years, researches have been increasing towards studying the strengthening of concrete structures using different methods. Various studies have shown that structural concrete members such as square reinforced concrete (RC) columns can experience a significant increase in the ultimate load carrying capacity and ductility when strengthened by a concrete jacket. Despite the […]

121 الهندسة

تقوية وصلاح الكمرات الخرسانية باستخدام مواد الاصلاح الاسمنتية pdf

Owayda, Yasser Mahrosse
2013

ملخص الدراسة: This study investigates the flexural capacity, deflection and crack patterns of reinforced concrete beams repaired by application of four repair materials, Ultra High Performance Concrete, Ultra High Performance Fiber Reinforced Concrete, Ordinary Portland Concrete, and special repair materials for repair of three types of damages that can occur in construction. These include over […]

164 الهندسة

تحسين مقاومة الاعمدة الخرسانية المسلحة للحريق pdf

Nassar, Khaled Mohammed
2011

ملخص الدراسة: Fire has become one of the greatest threats to buildings. Concrete is a primary construction material and its properties of concrete to high temperatures have gained a great deal of attention. Concrete structures when subjected to fire presented in general good behavior. The low thermal conductivity of the concrete associated to its great […]