للكاتب Zoubeida HAFDI Department of electrical , University of Batna Rue Chahid Boukhlouf Mohamed El Hadi, Batna-ALGERIE
أكمل القراءة »هندسة المباني
A NOVEL APPROACH FOR DESIGN AND SIMULATION OF A DIFFERENTIAL ROBOT KINEMATICS MODEL
للكاتبين : Osama Ismail Mohammed, Hossam Fattah, and M.M.A.Zahra Faculty of Engineering, Al Azhar University Cairo –Egypt ABSTRACT One of the basic tasks for Automatic or Manual , robot’s motion control subsystem is to accurately follow a given trajectory. The error between the present posture x(t) = [x(t) y(t) '(t)]T and the reference trajectory is to be minimized , in …
أكمل القراءة »خواص الخرسانة المستخدمة بالمباني السكنية بالمناطق العشوائية
للكاتبين : محمد سيد سيد أحمد * طارق السكرى .. مركز البحوث Abstract Over-population is one of the major problems facing the developing countries. Although the responsible governmental authorities have dedicated appreciated efforts in terms of housing, a serious gab still exists between the demanded and actually offered residences. People keep their own building activities away from authorities’ inspection in …
أكمل القراءة »ANALYTICAL MAPPED LAYER FOR AXISYMMETRIC PROBLEMS OF PILES IN STRATIFIED SOIL UNDERLAIN BY A BEDROCK
للكاتب : Nayer A. EL-Esnawy Structural Engineering Department, Faculty of Engineering, Cairo University, Giza, Egypt ABSTRACT A novel semi-infinite layer to analyze axisymmetric problems of piles embedded in stratified soil with an underlying bedrock is presented. This layer is unbounded in the radial direction and has a finite thickness in the axial direction. It involves a mapping process to transform …
أكمل القراءة »BEHAVIOR AND ANALYSIS OF SHEAR RSISTANCE CAPACITY FOR SHEAR DOWELS CONNECTED R.C. JACKET WITH R.C FOUNDATION
للكاتبين Said M. Abdalla, Ramadan Abdel Aziz Askar , Wadid W. Ibrahim,and Rehab M. Abd El-Aziz El-Bagory ABSTRACT: Shear interface transfer between new an old concrete has a several factors that affect on the value of its ultimate shear resistance. To study the behavior of shear dowels connected reinforced concrete jacket with footing, an experimental program consists of two groups …
أكمل القراءة »A RESEARCH ABOUT THE METHODS FOR RESTORING OF RC SHORT COLUMN UNDER THE PRELOADING CONDITIONS
للكاتب Alaa M. Rashad1 Housing & Building National RC, Egypt Abstract: The objective of the present research work is to restore the ultimate carrying capacity of spalled columns without increasing their original sizes when the applied loads are considered to represent about 100%, 75% and 0% of the ultimate load. Eighteen RC column specimens with concrete cover 2.5 cm and …
أكمل القراءة »FLEXURAL BEHAVIOR OF VOIDED SLABS PRETENSIONED WITH REINFORCING BARS
للكاتبين Hamedy Shehab El-Den- Mohamed Husain Faculty of Engineering, Zagazig University ABSTRACT This paper introduces the construction, instrumentation and the experimental work of prestressed voided slab models pretensioned with deformed reinforcing bars of grade 360/520. The objective is to examine their flexural behavior at service and at collapse, as well as the potential of using reinforcing steel instead of prestressing …
أكمل القراءة »EFFECT OF VOLUME FRACTION OF FINE AGGREGATE ON THE MECHANICAL PROPRETIES AND IMPACT RESISTANCE OF HSC AND FRC
للكاتبين Hossam E.M. Sallam1, Ahmad M. Azmy2, Amr S. Sherbini1, and Mohamed I. El-Barbary3 1 Materials Engineering Dept., Faculty of Eng., Zagazig University, Zagazig, Egypt 2 Civil Engineering Dept., Higher Technological Institute, Tenth of Ramadan, Egypt 3 Construction Chemicals,Dep, Tenth of Ramadan, Egypt ABSTRACT This paper presents the results of an investigation on the effect of volume fraction of fine …
أكمل القراءة »ESTIMATING THERMAL EFFECTS IN REINFORCED CONCRETE REALISTICALLY
للكاتب : Amjad A. Yasin., Raed M. Samra Lecturer, Department of Civil Engineering, Al-Balqa Applied University, Amman, Jordan. ABSTRACT This paper proposes a procedure for incorporating the effects of thermal and mechanical loads on the analysis of reinforced concrete beams. Two basic assumptions are made: 1. linear strain, stress and temperature distributions, and 2. cracked concrete section. The thermal curvature …
أكمل القراءة »HOT MIX ASPHALT USING LIGHT WEIGHT AGGREGATE CONCRETE (LWAC)
للكاتب Mohammad T. Awwad ABSTRACT Hot mix asphalt concrete is produced by properly blending asphalt, coarse and fine aggregates in addition to filler at temperatures ranging from 80 to 1650C. This research work is directed to study the effect of replacing the conventional aggregates by the recycled light weight aggregate concrete (LWAC) on the properties of the produced asphalt mix. …
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