964 resultados para 692 Auxiliary construction practices


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L'époque charnière de la fin du xive siècle, début du xve siècle, voit émerger des voix auctoriales de plus en plus engagées, subjectives et conscientes de leur talent. Cet article tend à montrer en quoi la notion d'ethos issue de la linguistique moderne permet de caractériser l'évolution d'une de ces voix médiévales, celle d'un traducteur du xve siècle, Laurent de Premierfait, au regard de la tradition. L'étude des prologues de ses traductions témoigne d'une forte influence de la situation de communication et de la scène d'énonciation, celle du patronage et de la tradition poétique héritée de la traduction du xive siècle, qui oblige le traducteur à négocier sa propre image dans son texte. Ainsi, l'auteure de cet article propose de caractériser à travers différents indices rhétoriques, poétiques, discursifs, voire extra-discursifs, les deux êthê qui émanent de ces prologues : un ethos de moraliste, conforme aux attentes du public et un ethos d'humaniste, révélant un positionnement singulier et individuel du traducteur dans la communauté des écrivains.

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L'objectif de ma contribution est de mettre en lumière le processus de construction de la figure du sorcier, qui répond à une double logique d'accumulations et d'exagérations des accusations. Ces dernières renvoient à quatre registres principaux, à commencer par celui de la diabolisation des pratiques de magie et de sorcellerie. Par ailleurs, le sabbat des sorcières est perçu comme une anti-église démoniaque qui réunit une secte éminemment dangereuse d'hérétiques et d'apostats qui ont conclu un pacte avec le diable. Le fantasme du complot ou de la rébellion contribue alors à construire la peur des sectes de sorciers. Enfin, le registre de la contre-nature, tels les crimes immoraux ou tabous associés aux méfaits des sorciers (comportements sexuels déviants, infanticide et cannibalisme d'enfants), favorise quant à lui le dénigrement des individus.

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The purpose of the Iowa EHDI Best Practices Manual is to advance the development of a comprehensive statewide early hearing detection and intervention (EHDI) system in Iowa. This manual will assist hospitals, birth centers, Area Education Agencies (AEAs), health care providers and private practice audiologists in developing programs and written protocols for newborn hearing screening, follow up and intervention. The manual is based upon best practices within early hearing detection and intervention programs and Iowa EHDI law and rules.

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Expanded abstract: Iowa Department of Transportation (IA DOT) is finalizing research to streamline field inventory/inspection of culverts by Maintenance and Construction staff while maximizing the use of tablet technologies. The project began in 2011 to develop some new best practices for field staff to assist in the inventory, inspection and maintenance of assets along the roadway. The team has spent the past year working through the complexities of identifying the most appropriate tablet hardware for field data collection. A small scale deployment of tablets occurred in spring of 2013 to collect several safety related assets (culverts, signs, guardrail, and incidents). Data can be collected in disconnected or connected modes and there is an associated desktop environment where data can be viewed and queried after being synced into the master database. The development of a deployment plan and related workflow processes are underway; which will eventually feed information into IA DOTs larger asset management system and make the information available for decision making. The team is also working with the IA DOT Design Office on Computer Aided Drafting (CAD) data processing and the IA DOT Construction office with a new digital As-Built plan process to leverage the complete data life-cycle so information can be developed once and leveraged by the Maintenance staff farther along in the process.

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This research project strives to help the Iowa Department of Transportation (DOT) fully achieve the full benefits of pavement preservation through training on proper selection, design, and application of pavement preservation treatments. In some cases, there is a lack of training when conducting one of these steps and the objective of applying pavement preservation techniques is compromised. Extensive amounts of literature on pavement preservation exist, but a structured approach on how to train staff in selecting, designing, and applying pavement preservation techniques is lacking. The objective of this project was to develop a training-oriented learning management system to address pavement preservation treatments (chip seals, fog seals, slurry systems, and crack seals and fills) as they are dealt with during the phases of selection, design, and construction. Early in the project, it was critical to identify the staff divisions to be trained and the treatments to be included. Through several meetings with the Iowa DOT, three staff divisions were identified: maintenance staff (in charge of selection), design staff, and construction staff. In addition, the treatments listed above were identified as the focus of the study due to their common use. Through needs analysis questionnaires and meetings, the knowledge gap and training needs of the agency were identified. The training modules developed target the gap from the results of the needs analysis. The concepting (selection) training focuses on providing the tools necessary to help make proper treatment selection. The design training focuses on providing the information necessary on the treatment materials (mostly binders and aggregates) and how to make proper material selection. Finally, the construction training focuses on providing equipment calibration procedures, inspection responsibilities, and images of poor and best practices. The research showed that it is important to train each division staff (maintenance, design, and construction) separately, as each staff division has its own needs and interests. It was also preferred that each treatment was covered on an individual basis. As a result of the research, it is recommended to evaluate the performance of pavement preservation treatments pre- and post-training continuously to compare results and verify the effectiveness of the learning management system.

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Concrete pavements can be designed and constructed to be as quiet as any other conventional pavement type in use today. This report provides an overview of how this can be done—and done consistently. In order to construct a quieter concrete pavement, the texture must have certain fundamental characteristics. While innovative equipment and techniques have shown promise for constructing quieter pavements in the future, quieter concrete pavements are routinely built today all across the United States using the following standard nominal concrete pavement textures: drag, longitudinal tining, diamond grinding, and even, to limited extent, transverse tining. This document is intended to serve as a guide that describes better practices for designing, constructing, and texturing quieter concrete pavements.

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This guide specification and commentary for concrete pavements presents current state-of-the art thinking with respect to materials and mixture selection, proportioning, and acceptance. This document takes into account the different environments, practices, and materials in use across the United States and allows optional inputs for local application. The following concrete pavement types are considered: jointed plain concrete pavement, the most commonly used pavement type and may be doweled or non-doweled at transverse joints; and continuously reinforced concrete pavement, typically constructed without any transverse joints, typically used for locations with high truck traffic loads and/or poor support conditions.

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A guide specification and commentary have been prepared that lay out current state-of-the art thinking with respect to materials and mixture selection, proportioning, and acceptance. These documents take into account the different environments, practices, and materials in use across the US and allow optional inputs for local application.

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The US Highway 6 Bridge over Keg Creek outside of Council Bluffs, Iowa is a demonstration bridge site chosen to put into practice newly-developed Accelerated Bridge Construction (ABC) concepts. One of these new concepts is the use of prefabricated high performance concrete (HPC) bridge elements that are connected, in place, utilizing advanced material closure-pours and quick-to-install connection details. The Keg Creek Bridge is the first bridge in the US to utilize moment-resisting ultra-high performance concrete (UHPC) joints in negative moment regions over piers. Through laboratory and live load field testing, performance of these transverse joints as well as global bridge behavior is quantified and examined. The effectiveness of the structural performance of the bridge is evaluated to provide guidance for future designs of similar bridges throughout the US.

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Highway construction is among the most dangerous industries in the US. Internal traffic control design, along with how construction equipment and vehicles interact with the traveling public, have a significant effect on how safe a highway construction work zone can be. An integrated approach was taken to research work-zone safety issues and mobility, including input from many personnel, ranging from roadway designers to construction laborers and equipment operators. The research team analyzed crash data from Iowa work-zone incident reports and Occupational Safety and Health Administration data for the industry in conjunction with the results of personal interviews, a targeted work-zone ingress and egress survey, and a work-zone pilot project.