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Low Water Stream Crossings
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Download or read book Design Guide written by Asok K. Motayed and published by . This book was released on 1982 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Commonly used Low Water Stream Crossings (LWSC) of different types are described and the characteristics of their efficient design are discussed. Selection factors for LWSCs are listed, along with a set of general and specific design considerations. A method, based on economic risk analysis, is recommended for the final selection and design of fords, vented fords and low water bridges. Design examples are provided for each of the three structures. This Design Guide emphasizes the application aspects and complements the volume: "Design and Construction of Low Water Stream Crossings", FHWA/RD-82/163, which stresses theoretical concepts and views.
Download or read book Low Water Stream Crossings written by and published by . This book was released on 2001 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydraulic Charts for the Selection of Highway Culverts by : Lester A. Herr
Download or read book Hydraulic Charts for the Selection of Highway Culverts written by Lester A. Herr and published by . This book was released on 1964 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Construction of Low Water Stream Crossings by :
Download or read book Design and Construction of Low Water Stream Crossings written by and published by . This book was released on 1983 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Construction of Low Water Stream Crossings by :
Download or read book Design and Construction of Low Water Stream Crossings written by and published by . This book was released on 1983 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidelines for Replacement of Deficient Bridges with Low-water Stream Crossings in the Rural Midwest by : Bruce M. McEnroe
Download or read book Guidelines for Replacement of Deficient Bridges with Low-water Stream Crossings in the Rural Midwest written by Bruce M. McEnroe and published by . This book was released on 2017 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides guidance to public officials and engineers considering the replacement of a deficient or obsolete bridge with a low-water stream crossing (LWSC). An LWSC is a structure that is occasionally overtopped by floodwaters and is likely to be impassable for a few hours or days in a normal year. LWSC structures include unvented fords, vented fords, low-water culverts, low-water bottomless culverts, and low-water bridges. LWSCs are sometimes constructed to keep very low-volume roads open where the cost of a normal bridge cannot be justified. The lower initial cost of an LWSC must be balanced against maintenance requirements and safety considerations. Site assessment guidelines consider traffic, access, roadway, stream, and regulatory issues. LWSC options can be limited by conditions on federal and state-issued permits, particularly those concerning threatened and endangered species and historic resources, and by local floodplain regulations. Key design considerations are presented for LWSCs in general and for unvented fords, vented fords, and low-water bridges in particular. These considerations include roadway design issues, stream hydrology, aquatic organism passage at low flows, and debris passage and scour and erosion protection at high flows. Nine recent LWSC projects in Kansas are examined in detail. The structures include an unvented ford, a hybrid-type ford, three vented fords, a low-water box culvert, a low-water bottomless culvert, and two low-water bridges. Eight of the projects are completed and one has been delayed by regulatory issues. Each case study includes a description of the structure and relevant information on the crossing history; road and traffic characteristics; stream characteristics and hydrology; governmental permits and regulatory issues; project costs; and maintenance requirements and performance to date.
Book Synopsis Design and Use of Low Water Stream Crossings in Kansas by : Brett L. Wood
Download or read book Design and Use of Low Water Stream Crossings in Kansas written by Brett L. Wood and published by . This book was released on 1984 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Hardened Low-water Crossings on Stream Habitat, Water Quality, and Periphyton in Four Streams at the Fort Polk Military Reservation, Vernon Parish, Louisiana, October 1998 Through November 1999 by : Roland W. Tollett
Download or read book Effects of Hardened Low-water Crossings on Stream Habitat, Water Quality, and Periphyton in Four Streams at the Fort Polk Military Reservation, Vernon Parish, Louisiana, October 1998 Through November 1999 written by Roland W. Tollett and published by . This book was released on 2002 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Opinion Survey for the Selection of Low Water Crossing Structures by : Hsieh Wen Shen
Download or read book Opinion Survey for the Selection of Low Water Crossing Structures written by Hsieh Wen Shen and published by . This book was released on 1981 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Water Stream Crossings in Iowa by : Thomas McDonald
Download or read book Low Water Stream Crossings in Iowa written by Thomas McDonald and published by . This book was released on 2003 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Addendum to the Design Manual for Low Water Stream Crossings by : Bradley C. Barrett
Download or read book Addendum to the Design Manual for Low Water Stream Crossings written by Bradley C. Barrett and published by . This book was released on 1984 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Addendum to the Design Manual for Low Water Stream Crossings by : Ronald Leroy Rossmiller
Download or read book Addendum to the Design Manual for Low Water Stream Crossings written by Ronald Leroy Rossmiller and published by . This book was released on 1984 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Liability and Traffic Control Considerations for Low Water Stream Crossings by : Robert Lowell Carstens
Download or read book Liability and Traffic Control Considerations for Low Water Stream Crossings written by Robert Lowell Carstens and published by . This book was released on 1981 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Iowa Design Manual for Low Water Stream Crossings by : Ronald L. Rossmiller
Download or read book Iowa Design Manual for Low Water Stream Crossings written by Ronald L. Rossmiller and published by . This book was released on 1983 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Construction of Low Water Stream Crossings by : Asok K. Motayed
Download or read book Design and Construction of Low Water Stream Crossings written by Asok K. Motayed and published by . This book was released on 1983 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Literature on Low Water Stream Crossings (LWSC) is reviewed and analyzed to develop a set of design criteria for such structures. Case histories of existing structures are documented and an approach to decision criteria and economic analysis on which decisions can be made are included. Hydraulics of LWSC and the means of erosion protection are also discussed to the extent they are applicable to the structures of this type. This report, which emphasizes theoretical views and concepts, complements a second volume, "Design Guide: Low Water Stream Crossings", FHWA/RD-82/164, which stresses application and computations.
Book Synopsis Hydrologic and Hydraulic Design for Low Water Stream Crossings by : Aaron John Bousselot
Download or read book Hydrologic and Hydraulic Design for Low Water Stream Crossings written by Aaron John Bousselot and published by . This book was released on 2002 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: A low water stream crossing (LWSC) is a structure that provides roadway access over a waterway. It is designed to be periodically overtopped with high stream flow and therefore closed to traffic during those flood events. There are three types of LWSCs: unvented fords, vented fords (with pipes), and low water bridges. In hydrologic design, daily flow data used to develop flow-duration curves is more suitable than conventional methods using annual flow data since the acceptable number of days for road closure during a given year can be considered. In hydraulic design, overtopping flow depth on a raised unvented ford is influenced by LWSC height and the design process can be simplified by setting LWSC height to a maximum level. For vented fords, inlet control design for culverts results with larger pipe size than outlet control design in most cases. Therefore, culvert sizing is simplified because outlet control does not have to be checked. Structure position and height is important for low water bridge design and placement should be planned so that channel disturbance is avoided. The result of this study is a systematic approach for hydrologic and hydraulic design for LWSCs. Hydrologic and hydraulic design guidelines and procedures are provided so that analyses and design computations can be completed by LWSC designers and planners.
Book Synopsis Design Manual for Low Water Stream Crossings by : Ronald L. Rossmiller
Download or read book Design Manual for Low Water Stream Crossings written by Ronald L. Rossmiller and published by . This book was released on 1983 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: To provide design guidelines for low water stream crossings. Subdivided into three types: unvented fords, vented fords and low water bridges.
