soil Vegetation Tool Kit for Engineers 4.10/ P/ 2 Non Structural cracks: Moisture Changes Building materials expand on absorbing moisture and shrink on drying. These are generally reversible. Shrinkage in concrete or mortar depends on a number of factors • Cement concrete: Richer the mix greater is the drying shrinkage. • Water content: More water in mix induces greater shrinkage • Aggregates : Large aggregates with good grading has less shrinkage for same workability as less water
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Mixture proportioning: Procedures outlined in ACI 211.1 should be used for mixture proportioning. Typical proportions for heavyweight concrete are shown in Table 2. MATERIALS : Cement Cements conforming to ASTM C 150‚ which would be suitable for conventional concrete and produce the required physical properties‚ are suitable for use in heavyweight concrete. Aggregate Thorough examination and evaluation of heavyweight aggregate sources are necessary to obtain material suitable for the type
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STRATEGIC ALLIANCE ASSIGNMENT On Eli Lilly’s Strategic Alliance Management Function SUBMITTED TO: Prof: Muqbil Burhan SUBMITTED BY: Smiti Rastogi 063053 IMG-6 FORE SCHOOL OF MANAGEMENT INTRODUCTION Eli Lilly and Company has been in business for more than 135 years. The global‚ research-based company was founded in May 1876 by Colonel Eli Lilly in Indianapolis‚ Ind.‚ in the Midwestern section of the United States. He was a 38-year-old pharmaceutical chemist and a veteran
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The greatness of Roman architecture is built‚ quite literally‚ upon the foundation of two important items: the discovery of concrete and the adoption of the arch from the Greeks. Concrete was an exceptional development within the Roman world and catapulted Roman construction into new heights of efficiency and stability. According to Kamm (1995)‚ the origin of Roman concrete can be found in a volcanic earth known as pozzolana‚ initially found near the Greek settlement of Puteoli. It would later be
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highschool ( Super Duper High School) itself was a public school. About half-way through his practicum a student approached him and his associate teacher Mr Meer about the morning announcements for the gay-straight alliance. During the morning announcements‚ members of the gay-straight alliance would announce names of famous gay people listing their achievements. The student‚ as a christian‚ took issue with the misrepresentation of gay students versus straight
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Kylie Schluter English 218 Professor Renfrow November 12‚ 2010 Word Count: 968 “Concrete Angel” “Concrete Angel” is a song written by Rob Crosby and Stephanie Bentley. This song was sung by Martina McBride and released in 2002. This song can be looked at as a poem with a lot of meaning behind it. A little girl who was abused violently tries to hide the scars and bruises but still managed to deal with the pain. Taking a look behind the words of this poem will help readers understand how the
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Program Evaluation Final Johannes Kieding Simmons School for Social Work Program Evaluation Final Introduction and Background The Cambridge Health Alliance (CHA) is one of the academic teaching hospitals of Harvard and Tufts Medical Schools. The hospital has many different departments‚ including primary care clinics‚ inpatient psychiatry‚ outpatient psychiatry‚ as well as specialty clinics such as the Latino‚ Haitian‚ Portuguese‚ and the Asian linguistic teams. The CHA has three main locations:
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Strategic Alliance In today’s ever changing environments strategic alliances have emerged as a driving force behind the success of many business ventures. Strategic alliances allow companies to expand their reach without having to maximise their risk or commit themselves beyond their core business. Throughout this paper I will be examining the driving forces behind strategic alliances looking predominately at the motivations behind the formation of a strategic alliance and the idea of a multi company
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BRE Concrete mix design method A popular simplified mix design method is that from BRE. Compressive strength is‚ in general‚ related to durability. The greater the strength the more durable the concrete. To satisfy the required compressive strength‚ a value for water/cement (w/c) ratio is estimated for an appropriate test age (generally 28 days) and cement type. Tables in the BRE mix design handbook are consulted relating aggregate:cement (a/c) ratio‚ workability and water:cement (w/c) ratio for
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7166M01.qxd_lb 6/3/09 09:38 AM Page 1 1 BASIC CONCEPTS 1.1 INTRODUCTION Concrete is strong in compression‚ but weak in tension: its tensile strength varies from 8 to 14 percent of its compressive strength. Due to such a low tensile capacity‚ flexural cracks develop at early stages of loading. In order to reduce or prevent such cracks from developing‚ a concentric or eccentric force is imposed in the longitudinal direction of the structural element. This force prevents the cracks
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