High performance concrete Research Paper Example | Topics and Well Written Essays - 2500 words

High performance concrete - Research Paper Example The concept has gone thru series of evolutions, since the birth of knowledge about mixing water, cement, and aggregate. Advent of high performance concrete is the result of this evolution. This research in brief demonstrates different aspects of this remarkable building material and how it has so far served people being an integral part of complex structures. Table of Contents Index Page Introduction 4 Why high performance concrete? 5 Literature Review 7 Purpose 8 Development history of high performance concrete 8 High performance concrete: Concept and exploration 8 Methodology 12 Research approach 13 Analyses 14 Finding and discussion 15 Case study 20 Conclusion 24 Conclusion and recommendation 25 Bibliography 26 Introduction Why high performance concrete? Civil engineering construction uses different building materials. Some are naturally occurring substances, and others are manmade. Concrete is a manmade material using naturally occurring substances. Base material of concrete is w ater, and cement, while aggregate materials are sand, gravel, crushed stone, blast furnace slag. Base material produces a paste type material in which aggregate materials are bonded. Cementitious binding process of aggregate materials plays a vital role in achieving the end product – concrete. ... Systematic tests to determine compressive and tensile strength of concrete were performed between 1835 and 1850, along with the first accurate chemical analysis. In 1860 modern composition of Portland cements became available (Inspecting the World n.d.), and since that time concrete has made its rigid step in civil engineering construction as one of the basic building materials. Formation of concrete takes place in two stages; fresh state and hardened state (AboutCivil.com n.d.). Fresh state concrete is plastic, and it flows to produce a given structural form. Hardened concrete attains its full structural strength. As a building construction material concrete’s hardened strength value is used in civil engineering design. Hardened strength value implies concrete's compressive strength. Structural behavior of concrete is to resist compression. Compressive strength of concrete depends on paste strength (water and cement), interfacial bonding (bonding between paste and aggregate), and aggregate strength (aggregate works like bone in the human body). Compressive strength value of concrete made of a specific mixture of cement, water, and aggregate composition is tested at a laboratory. Compressive strength is measured (Concrete in Practice n.d.) by breaking a cylindrical specimen in a compression-testing machine. This test is conducted according to the ASTM C 31 and ASTM C 39 procedure and method. In 1970s, any concrete mix with 28 days age showed compressive strength about 40 MPa was considered to be high strength (berekley.edy n.d.). Residential and light commercial building uses compressive strength in the range of 17 Mpa to 34 Mpa (Portland Cement Association n.d.). Constructions like high-rise building, long

Advertising Industry Should Market America to the Islamic World :: Argumentative Persuasive Argument Essays

The American Advertising Industry Should Market America to the Islamic World The real power in the world today is not in the western technology, economy or military. Rather it is in images and their use in a system of communication called symbolism. In effect, the real power of the world today is in the symbolism of western culture. It is this power which threatens the religion of Islam. The power of the western world to create and communicate this symbolism to other parts of the world, and particularly the middle eastern world of the Islamic religion, is at the root of the problem the Judeo-Christian west faces with the Islamic middle east. If one accepts the hypothesis that symbolism might be at the root of the problem, it seems important to understand 1) the basic messages of this symbolism and 2) whether these messages might be manipulated or â€Å"recruitedâ€Å" as â€Å"warriorsâ€Å" in the coming battle. Certainly the western world has been adept at directing its symbols mainly inward towards western culture in the form of propaganda and the persuasion of our advertising into a consumer culture. American consumer culture was created by the application and manipulation of these symbols. Emerging questions of today are 1) whether Americans can come to see coming events of the world in a symbolic context and 2) whether this knowledge of symbolic context will help them direct their symbol making powers outward rather than inward. Right now, America's symbol making powers are directed inward at persuasion and propaganda of the populace. Anyone who doubts this simply needs to push the button to CNN for about an hour. But, might it be directed outward towards propaganda of the western civilization into the Islamic culture? We might say that it is not right to use propaganda to achieve goals. Yet, there is a vast amount of evidence that America's enemies use many forms of propaganda against America. If our enemies can use propaganda against America, why shouldn't America enlist its greatest propaganda machines in Hollywood and Madison Avenue in the great coming battle? Of course we do this on a simple Coke or McDonalds type of global expansion philosophy for American brands and the unrelenting promotion of that rather ambiguous beehive archetype symbol of ideas and emotions called â€Å"globalism.â€Å" But here I mean more of a â€Å"kick assâ€Å" Marine philosophy of putting Madison Avenue and Hollywood into the coming war that CNN constantly advertises to us in a ubiquitous logo.

A midsummer night dream

A Midsummer Night's Dream Shakespeare is one of the most well-known playwright and poet that the world has ever produced. He's known for his ability to recapitulate the array of human emotions in simple yet Intensely expressive verse. One of Shakespearean most popular plays, A Midsummer Night's Dream Is full of Intense feelings, tragic events and a happy ending. Literature can be defined as a comedy, romance, or a tragedy. A Midsummer Night's Dream can best be defined as a comedy.In literary sense, a comedy is a work which is principally designed to amuse and entertain, and where, despite problems during the narrative, all ends well for the characters (English Literature Dictionary). The play can be proven to be a comedy because of its humorous tone. The play features fairy magic, pranks and the performance of a play within the play by a group of fairies. The play even has trickery and disguise in it as well. Hernia and Alexander try to sneak away from Athens to wed behind Geese's ba ck.Also, Titanic and the nouns lovers have no Idea they've been dazed by Oberon by the love-in-idleness flowers Juice. These examples given are what put A Midsummer Night's Dream under the literature category of a comedy. A romance Is traditionally, a long fictional prose narrative about unlikely events Involving characters that are very different from ordinary people. Nowadays the modern romance novel Is a prescribed love story, where boy meets girl, obstacles get in the way, they are then overcome and the couple live happily ever after (English Literature Dictionary).A Midsummer Night's Dream could also fit into this category because of the fairies that are in it. In the play the fairies experience unlikely events, like Titanic falling in love with Bottom as he as the head of an ass. Another way the play could fit into this category would be how Hernia and Alexander are in love and are forbidden to be married. At the end of the play the obstacle of them not being able to marry is overcome when they are invited by the fairies to go back and marry with the duke.The last category is tragedy. Tragedy Is defined as a serious play where the protagonist experiences a succession of misfortunes leading to a concluding, disturbing catastrophe usually for the protagonist (English Literature Dictionary). The way love Is defined In the beginning of the play is a tragic view. Segues goes to Theses demanding that he make Hernia marry Demerits, and not Alexander. Segues says, â€Å"As she is mine, I may dispose of her. Which shall be either to this gentleman, or to her death. Even though this makes the play come off as a tragedy, the characters and situations do not allow for tragedy to aka over or take form in the plot. As a conclusion, A Midsummer Night's Dream best fits into the literary definition of comedy. It has some aspects of romance in it but comedy smothers the majority of the play. The beginning of the play can make A Midsummer Night's Dream seem that it will t urn out to be a tragedy but again comedy takes over. A Midsummer Night's Dream Is a classic example of Shakespeare comedy. â€Å"English Literature Dictionary'. Education. Asia. Education Asia. ND. Web. 14 June 2014

Media Symbols Have Minimal Effects On Individuals - 955 Words

Though there are researchers that may take the position that media symbols have minimal effects on individuals (Frazer, 1987), evidence suggests the contrary (Milkie, 1999; Evans McConnell, 2003; Goodman, 2002; Mok, 1998). Women tend to be more at a disadvantage because cultural beliefs and stereotypes provide narrower, and more damaging images about women than about men (Milkie, 2002). The standards of what women should do, be, and look like are powerful, but subtle channels through which women are controlled (Milkie, 2002). These images become fundamental points of reference in defining femininity and are reasoned to have negative impacts on both women and girls (Smith 1990). Feminist researchers have argued that a significant way that the disadvantage of women and minorities is produced and maintained is through â€Å"symbolic annihilation† in media. In other words overlooking or depicting these marginalized groups in narrow, condescending, trivializing or distorted ways (Gerbner, 1993; Tuchman 1978a). One of the persistent forms of symbolic annihilation is a â€Å"distorted and narrow definition of female beauty† (Milkie, 2002). The standard of female beauty is primarily white (Evans, Mok) and emphasizes thinness (Cash Henry 1995; Freedman 1984; Heinberg Thompson, 1995). Though comparing one’s self to mainstream beauty standards may negatively impact one’s self-esteem, research has shown that conceptions of self for certain social groups â€Å"do not necessarily suffer in theShow MoreRelated Gender and Sport Socialization Essay511 Words   |  3 PagesGender and Sport Socialization Socialization is a life long process whereby the individual learns the appropriate roles and norms of behaviour within a particular society. 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