scholarly journals Comparative Study for Buckling Resistance of Steel Sheets Provided with Stiffeners Used in Bridge Structures

2015 ◽  
Vol 11 (3) ◽  
pp. 1-7
Author(s):  
Marian Daraban
Keyword(s):  
Comparative Study ◽  
Nonlinear Analysis ◽  
Critical Factor ◽  
Box Girders ◽  
Steel Sheets ◽  
Bridge Model ◽  
Buckling Resistance ◽  
Bridge Structures ◽  
The Subject ◽  
Stiffened Steel

Abstract The subject discussed in this paper is based on an experimental bridge model which was built to study the pre-critical and post-critical buckling behaviour of steel webs of box girders provided with longitudinal and transversal stiffeners. The article presents a comparison between the experimental results and the numerical ones for buckling resistance of stiffened steel webs. For this purpose two types of analysis will be carried out: an analysis to establish the values and eigenvectors of buckling, after which the critical factor for the first mode of buckling will be obtained, and then a geometrical and physical nonlinear analysis will be performed.

Discussion on Boote and Mascia: "On the Nonlinear Analysis Methodologies for Thin Spherical Shells Under External Pressure with Different Finite-Element Codes"

1991 ◽  
Vol 35 (04) ◽  
pp. 352-355
Author(s):  
G.D. Galletiy ◽  
J. Blachut
Keyword(s):  
Finite Element ◽  
Nonlinear Analysis ◽  
External Pressure ◽  
General Purpose ◽  
Spherical Shells ◽  
Geometric Imperfections ◽  
Buckling Resistance ◽  
The Subject ◽  
Initial Geometric Imperfections ◽  
Doubly Curved

The accurate prediction of the collapse pressures of thin, doubly curved elastic-plastic shells subjected to external pressure is important in many applications—not least to the occupants of submarines! As is well known, initial geometric imperfections can, in many shells, result in a substantial decrease in the shell's buckling resistance. In their paper, the authors (Boote and Mascia) discuss one imperfect hemispherical model which they analyzed with the help of two general purpose finite-element codes (MARC and ANSYS). The authors do not discuss the use of simpler programs for analyzing these shells [for example, BOSOR 5; Bushnell (1976)][Galletly etal (1987) or other work which has been published on the subject]. We have a number of comments on the subject paper, and these are given below.

دية القتل الخطأ في الحوادث المرورية في الفقه الإسلامي: دراسة مقارنة Blood Money for Unintended Manslaughter in Traffic Accidents in Islamic Jurisprudence: A Comparative Study

2015 ◽  
Vol 12 (1) ◽  
pp. 1-29
Author(s):  
عارف علي عارف القره داغي ◽  
فايزة بنت إسماعيل ◽  
ئاوات محمد آغا بابا
Keyword(s):  
Comparative Study ◽  
Mutual Fund ◽  
Traffic Accidents ◽  
Comparative Method ◽  
Inductive Approach ◽  
Legal Provisions ◽  
Islamic Jurisprudence ◽  
The Subject ◽  
Blood Money ◽  
Major Factors

الملخّصيتعلق هذا البحث بموضوع دية القتل الخطأ في الحوادث المرورية في الفقه الإسلامي في العصر الحاضر لكثرة وقوعها وحاجة الناس إلى بيان أحكامها من حيث كيفية تقديرها. وتحرير الخلاف في دية المرأة، ومسألة دية الجنين في حال تعرضه للموت في بطن أمه نتيجة الحادث المروري، أو في حالة تعرضه للإجهاض والموت، وتناول أيضًا دية شخصين إذا ماتا نتيجة اصطدام سيارتين؛ فكيف تقدَّر الدِّية؟ وعالج البحث مسألة العاقلة في الوقت الحاضر التي تساعد الطرفين (الجاني والمجني عليه وذلك بجمع الدية وإعطائها للمجني عليه). وذلك من خلال استخدام المنهج الاستقرائي والمنهج المقارن: حيث يتم من خلاله جمع النصوص المتعلقة بالموضوع، وآراء العلماء المتقدمين، والمعاصرين، والمقارنة بينهما لمعرفة نقاط الاتفاق والاختلاف، لتجلية معالم الموضوع، وتسهيل مناقشتها بصورة دقيقة، ثم بيان الرأي الراجح. وقد توصلت الدراسة إلى أنَّ دية القتل في الحوادث المرورية في العصر الحاضر تساوي بالدينار الذهبي، الذي يساوي 4.250 جرامًا من الذهب، أو بما يساويها من النقد. وأنَّ الراجح هو تساوي دية الرجل مع دية المرأة. وفي حالة عدم وجود العاقلة لابأس من إنشاء شركة تعاونية لمساعدة من وقع منه الحادث.الكلمات المفتاحية: الدِّية، حوادث المرور، دية المرأة، دية الجنين، العاقلة. Abstract         This research addresses the subject of blood money for unintended manslaughter in traffic accidents according to Islamic jurisprudence in the present era due to the frequency of their occurrence and the need for people to understand the legal provisions concerning determining the amount. In this regard, we seek to clarify the disagreements regarding the blood money for women and foetuses that die in the mother’s womb as a result of traffic accidents or abortion. We also address the issue of blood money for two people who die as a result of collision between two cars. We also examine the issue of ʿĀqilah (those who pay the blood money) who helped the two parties (the offender and the victim by collecting blood money and giving it to the victim). To clarify these issues, we use the inductive approach and comparative method wherein we collect the various texts on the subject, and the views of classical and contemporary scholars to engage in a comparison between them in order to identify the points of agreement and disagreement between views. From here, we also hope to identify the major factors pertaining to such issues in order to facilitate a precise and concrete discussion to arrive at the most correct opinion. The study found that blood money for manslaughter in traffic accidents in the present era is equal to a gold dinar, which is equal to 4.250 grams of gold, or its cash equivalent. We advocate that the correct view is that the amount of blood money paid to a man is equal to that of a woman, and that in the absence of an ʿĀqilah it is possible to form a cooperative or mutual fund to render assistance to the victim.Keywords: blood money, traffic accidents, women, foetus, ʿĀqilah.

scholarly journals Review of annual progress of bridge engineering in 2019

2020 ◽  
Vol 1 (1) ◽  
Author(s):  
Renda Zhao ◽  
Yuan Yuan ◽  
Xing Wei ◽  
Ruili Shen ◽  
Kaifeng Zheng ◽  
...  
Keyword(s):  
High Performance ◽  
Concrete Bridges ◽  
Bridge Engineering ◽  
Research Progress ◽  
Steel Bridge ◽  
Wind Resistance ◽  
Main Research ◽  
Bridge Model ◽  
Bridge Evaluation ◽  
Bridge Structures

AbstractBridge construction is one of the cores of traffic infrastructure construction. To better develop relevant bridge science, this paper introduces the main research progress in China and abroad in 2019 from 13 aspects, including concrete bridges and the high-performance materials, the latest research on steel-concrete composite girders, advances in box girder and cable-supported bridge analysis theories, advance in steel bridges, the theory of bridge evaluation and reinforcement, bridge model tests and new testing techniques, steel bridge fatigue, wind resistance of bridges, vehicle-bridge interactions, progress in seismic design of bridges, bridge hydrodynamics, bridge informatization and intelligent bridge and prefabricated concrete bridge structures.

A comparative study of urban resilience in coping with the crisis in the metropolises of Tehran and Mashhad

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Amin Nedaei ◽  
Mirali Seyednaghavi ◽  
Marzieh Firouzfar ◽  
Nahid Zamani
Keyword(s):  
Comparative Study ◽  
Delphi Method ◽  
Rockefeller Foundation ◽  
Urban Resilience ◽  
Content Type ◽  
Two Cities ◽  
The Subject ◽  
Spss Software ◽  
Resilience Indicators ◽  
First Time

Purpose In recent years, cities have been facing economic, social and environmental crises that need to be prevented and dealt with. The new subject that has been brought up to improve city resistance to crises is urban resilience. The purpose of this study is to compare the resilience of Tehran and Mashhad to identify the strengths and weaknesses of these two cities for better planning in critical situations. Design/methodology/approach The research methodology is a comparative survey. The importance of the subject was manifested through a literature review. A questionnaire is designed using “the Rockefeller Foundation and ARUP’s model” and the Delphi method for testing 21 research hypotheses to evaluate resilience in the two cities (12 Delphi questionnaires and 232 urban resilience questionnaires). The data is analyzed using independent samples t-test by SPSS software. Findings The results show that both the cities are weak in terms of resilience indicators and sub-indicators, but Mashhad is more resilient than Tehran. Originality/value This paper compares urban resilience in Iran for the first time through a comparative study between two metropolises in the country. The Delphi method also is used for the first time (in Iranian case studies) to obtain the dimensions of urban resilience. By comparing the two cities, we can better understand their strengths and weaknesses.

Verification of court decisions in criminal cases: history and modernity

2021 ◽  
Author(s):  
Aleksandr Panokin
Keyword(s):  
Comparative Study ◽  
Doctoral Students ◽  
Judicial Review ◽  
Soviet Period ◽  
Court Decisions ◽  
Soviet System ◽  
Criminal Cases ◽  
Subsequent Transformation ◽  
The Subject ◽  
Post Soviet Period

The paper analyzes the historical retrospective and a comparative study of the verification of court decisions in criminal cases. The author traces the emergence of the idea of checking court decisions and the first experiments of its implementation, the transition from the "court with a judge" to the "audit" procedure for monitoring court decisions, and then to the consideration of complaints against court decisions as a continuation of the dispute between the parties and the formation of methods and procedures for reviewing criminal cases, depending on the subject of appeal. The features of the Romano-German and English models of judicial review are highlighted. Special attention is paid to the Soviet system of verification of sentences, rulings and definitions as the basis of the socialist model of judicial review and its subsequent transformation in Russia in the post-Soviet period. The monograph is intended for researchers, teachers, undergraduate, specialist, master's, postgraduate and doctoral students, as well as practicing lawyers.

scholarly journals Teaching Materials Development and Meeting the Needs of the Subject: A Sample Application

2018 ◽  
Vol 11 (8) ◽  
pp. 27 ◽  
Author(s):  
Abdullah Aydin ◽  
Cahit Aytekin
Keyword(s):  
Teaching Effectiveness ◽  
Real Life ◽  
Teaching Material ◽  
Teaching Materials ◽  
Mathematics Textbook ◽  
Waste Products ◽  
Material Development ◽  
Bridge Model ◽  
Tangent Function ◽  
The Subject

It has been determined that the drawings, photographs and pictures related to the subject of the continuity of the tangent function on page 68 of the Ministry of National Education’s twelfth-grade mathematics textbook contradict principles 1, 7 and 10 of Yanpar’s (2007) teaching material development principles. According to these principles, teaching materials should: i) be simple, plain, and understandable, ii) reflect real life as much as possible, and iii) be easy to develop or revise, if necessary. This study aims to develop a portable tangent bridge model to meet the needs of the subject of the continuity of the tangent function. With this aim: i) teaching with the analogies model in the design of the teaching material, ii) “this is my project” format in the development and iii) Yanpar’s (2007) principles were considered. The design of the model lasted 14 weeks. At the end of the study, a portable tangent bridge model from waste products was designed and developed. This model is thought to contribute to the teaching effectiveness of teachers (Shulman, 1987) with content knowledge alongside with pedagogical knowledge (Shulman, 1986). With this contribution, the needs of the subject as described by Taba (1962) and Tyler (1949) will be met. This model will also serve as an example of meeting the needs of the subjects of knowledge and its product, technology, as highlighted by Cahit Arf (Terzioglu &Yilmaz, 2006).

scholarly journals Punctuation Marks and Signs of Cessation in Qur`an: a comparative study

2020 ◽  
Vol 2 (1) ◽  
pp. 49-59
Author(s):  
Abdur-Rasheed Mahmoud-Mukadam
Keyword(s):  
Comparative Study ◽  
Usual Treatment ◽  
Holy Quran ◽  
The Status ◽  
The Holy Quran ◽  
The Subject ◽  
Contemporary Writers ◽  
The Relationship ◽  
Shed Light

The subject of punctuation in Arabic writing may be one of the topics in which there was a great deal of writing. However, the close look at this paper reveals that there are some new things that the researcher is interested in highlighting in this article. To clarify positions in the Holy Quran. And that some contemporary writers do not take into account the status of these signs and interesting situation in the appropriate places, but they refuse to take into account behind their appearance when writing Arabic became randomly writing, Based on the above, the researcher can shed light on the importance of these punctuation marks and indicate the relationship between them and the signs of the Qur`anic cessation, which does not mean the use of the first place with The existence of the connection and kinship between them; because the writing of Qur`an is descriptive, it could never be treated in the places of cessation and tone as   usual treatment of the normal writing.

Ileostomy appliances

1969 ◽  
Vol 7 (7) ◽  
pp. 27-28
Keyword(s):  
Comparative Study ◽  
Original Model ◽  
American Patient ◽  
The Subject ◽  
Individual Needs ◽  
The Individual

The management of ileostomy was revolutionised in 1944 when an American patient named Rutzen invented the modern appliance. The original model consisted of a flange and bag in one piece, with a drainage outlet on the bag. Many modifications have since been developed, and a number of manufacturers provide a wide variety of flanges, bags and ancillaries. Choice is dictated mainly by the surgeon’s preferences and the individual needs and preferences of the patient. The subject seems not to lend itself to comparative study, and none has been made.

Medicine and Aviation: A Review of the Comparison

2003 ◽  
Vol 42 (04) ◽  
pp. 433-436 ◽  
Author(s):  
R. Randell
Keyword(s):  
Health Care ◽  
Intensive Care ◽  
Comparative Study ◽  
Intensive Care Units ◽  
Medical Error ◽  
Medical Technology ◽  
Research Literature ◽  
Ethnographic Study ◽  
The Subject

Summary Objective: This paper aims to understand the nature of medical error in highly technological environments and argues that a comparison with aviation can blur its real understanding. Methods: This study is a comparative study between the notion of error in health care and aviation based on the author’s own ethnographic study in intensive care units and findings from the research literature on errors in aviation. Results and Conclusions: Failures in the use of medical technology are common. In attempts to understand the area of medical error, much attention has focused on how we can learn from aviation. This paper argues that such a comparison is not always useful, on the basis that (i) the type of work and technology is very different in the two domains; (ii) different issues are involved in training and procurement; and (iii) attitudes to error vary between the domains. Therefore, it is necessary to look closely at the subject of medical error and resolve those questions left unanswered by the lessons of aviation.

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