34 resultados para Single-lap adhesive joints
em Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States
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Promising Directions: Programs that Serve Iowa Girls in a Single-Sex Environment - a resource guide project of the Iowa Gender-Specific Services Task Force. Produced by the Iowa Commission on the Status of Women.
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State Agency Audit Report Independent Auditor's Reports Iowa Comprehensive Annual Financial Report - Financial Section Schedule of expenditures of Federal Awards Schedule of findings and questioned costs
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State Audit Reports
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State of Iowa’s Single Audit Report for the year ended June 30, 2006
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State of Iowa’s Single Audit Report for the year ended June 30, 2007
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State of Iowa’s Single Audit Report for the year ended June 30, 2005
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State of Iowa’s Single Audit Report for the year ended June 30, 2008
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State of Iowa’s Single Audit Report for the year ended June 30, 2009
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The Rebuild Iowa Office is a part of the State of Iowa and, as such, has been included in our audits of the State’s Comprehensive Annual Financial Report (CAFR) and the State’s Single Audit Report for the year ended June 30, 2009
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State of Iowa’s Single Audit Report for the year ended June 30, 2010
Design and Evaluation of a Single-Span Bridge Using Ultra- High Performance Concrete, September 2009
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Research presented herein describes an application of a newly developed material called Ultra-High Performance Concrete (UHPC) to a single-span bridge. The two primary objectives of this research were to develop a shear design procedure for possible code adoption and to provide a performance evaluation to ensure the viability of the first UHPC bridge in the United States. Two other secondary objectives included defining of material properties and understanding of flexural behavior of a UHPC bridge girder. In order to obtain information in these areas, several tests were carried out including material testing, large-scale laboratory flexure testing, large-scale laboratory shear testing, large-scale laboratory flexure-shear testing, small-scale laboratory shear testing, and field testing of a UHPC bridge. Experimental and analytical results of the described tests are presented. Analytical models to understand the flexure and shear behavior of UHPC members were developed using iterative computer based procedures. Previous research is referenced explaining a simplified flexural design procedure and a simplified pure shear design procedure. This work describes a shear design procedure based on the Modified Compression Field Theory (MCFT) which can be used in the design of UHPC members. Conclusions are provided regarding the viability of the UHPC bridge and recommendations are made for future research.
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State of Iowa’s Single Audit Report for the year ended June 30, 2011
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Iowa has the same problem that confronts most states in the United States: many bridges constructed more than 20 years ago either have deteriorated to the point that they are inadequate for original design loads or have been rendered inadequate by changes in design/maintenance standards or design loads. Inadequate bridges require either strengthening or posting for reduced loads. A sizeable number of single span, composite concrete deck - steel I beam bridges in Iowa currently cannot be rated to carry today's design loads. Various methods for strengthening the unsafe bridges have been proposed and some methods have been tried. No method appears to be as economical and promising as strengthening by post-tensioning of the steel beams. At the time this research study was begun, the feasibility of posttensioning existing composite bridges was unknown. As one would expect, the design of a bridge-strengthening scheme utilizing post-tensioning is quite complex. The design involves composite construction stressed in an abnormal manner (possible tension in the deck slab), consideration of different sizes of exterior and interior beams, cover-plated beams already designed for maximum moment at midspan and at plate cut-off points, complex live load distribution, and distribution of post-tensioningforces and moments among the bridge beams. Although information is available on many of these topics, there is miminal information on several of them and no information available on the total design problem. This study, therefore, is an effort to gather some of the missing information, primarily through testing a half-size bridge model and thus determining the feasibility of strengthening composite bridges by post-tensioning. Based on the results of this study, the authors anticipate that a second phase of the study will be undertaken and directed toward strengthening of one or more prototype bridges in Iowa.
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Pursuant to House File 451 the Single Point of Entry Long-Term Living Resources System Team, involving several state agencies as well as interested associations, submitted a report to the legislature on recommendations to establish a single point of entry system.
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Single Audit Report for the State of Iowa for the year ended June 30, 2012