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Author: United States. Army. Corps of Engineers. Buffalo District
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages : 28
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Book Description
Author: United States. Army. Corps of Engineers. Buffalo District
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages : 28
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Book Description
Author: United States. Army. Corps of Engineers. Buffalo District
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages : 25
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Book Description
Author: United States. Army. Corps of Engineers. Buffalo District
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 180
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Author: Raymond J. Krizek
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages : 104
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Book Description
This research program was initiated with the overall objective of evaluating the usefulness of dredged sediments as landfill material. The study is limited to the deposition of polluted fresh water dredgings from the Great Lakes area, and the major effort was centered around four disposal sites in the harbor serving Toledo, Ohio. A comprehensive sampling and testing program was undertaken in the field and in the laboratory to determine the engineering characteristics of hydraulically placed maintenance dredgings and the water quality effects associated with a typical dredging and disposal operation. Several thousand chemical analyses were conducted to assess the pollution potential of dredged materials under chemically treated and nontreated conditions. Several series of flocculation-sedimentation, sedimentation-leaching, repeated leaching, and evaporation tests were conducted to study the possibility of stabilizing these materials with chemical additives and to evaluate the effects, if any, of such chemicals on the leachates. Numerous index property tests were performed for classificatory purposees, and several correlations among different properties and the results of the index tests were established. An extensive field monitoring program was undertaken to evaluate the effects of a typical dredging and disposal operation on the water quality parameters of the environs. Periodic vane shear tests were conducted in two of the areas, and settlement plates were installed at one site to determine the time-dependent variations in the strength and settlement, respectively. Several in situ permeability tests were conducted on the foundation soils and the dredged materials to evaluate drainage conditions. Finally, a one-dimensional mathemathical model was developed to assess the relative importance of gravity drainage and evapotransporation on the desiccation and consolidation of a landfill composed of maintenance dredgings.
Author: United States. Army. Corps of Engineers
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Public Works
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 1242
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Author: United States. Congress. Senate. Committee on Appropriations. Subcommittee on Public Works
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 1292
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Author:
Publisher: PIANC
ISBN: 2872231781
Category : Dredging spoil
Languages : en
Pages : 30
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Book Description
"During the latter part of the 20th century it became clear that another approach should be found for handling contaminated dredged material. Up to then it was common practise to dispose dredged material at sea or use it to raise the land or as fertilizer on land. A new approach was to store contaminated dredged material in confined disposal facilities (CDFs). These CDFs are only meant for dredged material that is heavily contaminated and cannot be relocated into the water system or used for engineering or environmental purposes. Much effort was devoted to the design of CDFs and to the assessment and management of environmental risks. Despite the fact that stricter environmental pollution controls meant that sediments in rivers and harbours became less contaminated and options for use of dredged material became more available, there still is the need for more storage capacity for contaminated dredged material arising from certain capital, environmental remediation and sometimes maintenance dredging projects. It is especially difficult to decrease the influence of diffuse sources on contamination levels of sediments."--Introduction.
Author:
Publisher:
ISBN:
Category : Remote sensing
Languages : en
Pages : 382
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Book Description
