Do you want to publish a course? Click here

Study the effect of changing the different engineering parameters on the performance of the joints used in the metal structures on fire to find their optimal designs by CAD

دراسة تأثير تغير البارامترات الهندسية المختلفة على أداء الوصلات المستخدمة في المنشآت المعدنية على الحريق لإيجاد تصاميمها المثلى بمساعدة الحاسب

1327   3   3   0.0 ( 0 )
 Publication date 2018
and research's language is العربية
 Created by Shamra Editor




Ask ChatGPT about the research

This research presents a study with the help of Finite Element Method and the use of CATIA V5 program to know the behavior of a permissible link - column used in metal structures at high temperatures (on fire). In this article we will present an analysis using the finite element method using the CATIA V5 program for the effect of different engineering parameters (plate thickness, screw diameter, reinforcement nerves) on the behavior of joints used in metal structures on fire. We also studied the effect of the number of bolts on the stresses and transitions in the link and their comparison with the welding cases. We studied and analyzed the studied model and obtained the deformation and failure schemes at high temperatures, the flow charts and the temperatures that show the behavior of this link to the fire. We also obtained the stress and strain schemes for the link and the transport and load schemes at different temperatures and the behavior of this link at these different temperature.

References used
SPYRO S. DAVISON J.B and PLANK R. J " Experimental and analytical investigation of the ‘compression zone’ component within a steel joint at elevated temperatures". "Journal of Constructional Steel Research 60 (2004) 841–865
BLOCK F M ., BURGESS I W. " The development of a component-based connection element for endplate connections in fire". Fire Safety Journal 42 (2007) 498–506
WANG W Y , LI G Q " Experimental study and spring-component modeling of extended end-plate joints in fire ". Journal of Constructional Steel Research 63 (2007) 1127–1137
rate research

Read More

Many constructionl systems were used in the construction of airports. These systems vary according to the development of the various aircraft models as well as to the increasing number of passengers. This study will include a review of some airpor ts buildings, which had been built depending on the metal construction technique that achieved larger architectural dimensions and spaces for passenger terminal in terms of shape and function. This research includes a study of the evolution of the metal technique used in airport construction especially for passenger terminal showing its effect in realizing the architectural space including its dimensions and spaces and in meeting the functional requirements inside it particularly securing passengers safety, comfort, and the ease of controlling their movement to the taking off places, as well as securing ventilation and natural lighting of the building.
Breast cancer is the most widespread types of cancer among women. An efficient diagnosis in its early stage can give women a better chance of full recovery. Calcification is the important sign for early breast cancer detection. Mammography is the m ost effective method for breast cancer early detection using low radiation doses. The studies improved the sensitivity of mammogram from 15% to 30% based on Computer Auto-Detection CAD systems, which are used as a “second opinion” to alert the radiologist to structures that, otherwise, might be overlooked. This article summarizes the various methods adopted for micro-calcification cluster detection and compares their performance. Moreover, reasons for the adoption of a common public image database as a test bench for CAD systems, motivations for further CAD tool improvements, and the effectiveness of various CAD systems in a clinical environment are given.
A proper matching of agricultural machinery with properties of materials forms the essential requirements which lead to best performance of machine. To achieve that goal, availability of data and precision analysis on engineering and physical prop erties of these materials is required. This forms important and necessary data base for the design, development and structure of agricultural machinery and equipments, control and analysis of machines and determination of efficiency of machines. This research was carried out to study some engineering and physical properties of seeds of common Syrian crops to be used in the design and development of some agricultural machinery and equipments. Results provided the shapes and dimensions of cells of feeding devices for planting seeds of some crops namely, wheat, maize, lentil, pea, chick-pea, kidney bean, broad bean and cotton. In addition a set of empirical equations were established to be used to predict, with reasonable accuracy, the physical properties of crops seeds based on measurement of any of three dimensions (length, width and thickness).
In this paper, we assess the Voice Over Internet Protocol performance by comparing the performance of two protocols used in VOIP such as SIP and H.323. Moreover, we evaluate the quality indicators such as delay and packets loss. For this purpose OPNET simulator is used as suitable simulation technology.
With the rapid growth of the size of the data stored in the cloud systems, the need for effective data processing becomes critical and urgent. This research introduces a study of the most important characteristics of databases management systems: H ive, SQLMR, and MariaDB Galera. Hive is a cloud database management system. SQLMR is a hybrid system, which depends on the integration between the cloud and traditional systems capabilities. While MariaDB Galera is a traditional database management system developed to cope with the cloud characteristics. In this research, we show the most important developments that have been on those systems, and then we compare their performance in data processing based on the execution time of query operations with the change of the volume of data. That is to identify the performance of those systems practically and to know the developing requirements for access to optimized data management system, and to help users in the selection of the database system that achieves their requirements in terms of availability and scalability.
comments
Fetching comments Fetching comments
Sign in to be able to follow your search criteria
mircosoft-partner

هل ترغب بارسال اشعارات عن اخر التحديثات في شمرا-اكاديميا