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Friday, July 17, 2020 | History

1 edition of Development of cementitious grouts for the incorporation ofradioactive wastes. found in the catalog.

Development of cementitious grouts for the incorporation ofradioactive wastes.

Development of cementitious grouts for the incorporation ofradioactive wastes.

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Published by Oak Ridge National Laboratory in Oak Ridge, Tennessee .
Written in English


Edition Notes

StatementJ.G. Moore (and others).
SeriesReports / Oak Ridge National Laboratory -- no.ORNL-4962
ContributionsMoore, J. G.
ID Numbers
Open LibraryOL14225198M

Development of Cementitious Grouts for the Incorporation of Radioactive Wastes, Pan I: Leach Studies (ORNL). Oak Ridge, Tenn.: Oak Ridge National Laboratory. Moore, J. G. Article. Li, Z and Souza, LRD and Litina, C and Markaki, AE and Al-Tabbaa, A () A novel biomimetic design of a 3D vascular structure for self-healing in cementitious materials using Murray's law. Materials and Design, ISSN Wang, M and Liu, Y and Qi, B and Al-Tabbaa, A and Wang, W () Percolation and conductivity development of the rod networks  › Department of Engineering › Profiles › Prof. Abir Al-Tabbaa.

  NRVB is designed to be a high-porosity cementitious backfill (Francis et al., ) and is based on a mix of Ordinary Portland Cement (OPC), hydrated lime (calcium hydroxide) and limestone flour (essentially calcium carbonate).Its preparation involves mixing the constituents in the following proportions: OPC ( kg m −3), hydrated lime aggregate ( kg m −3) This successful incorporation of TOSW in CLSM mixture will provide a safe recycling method for oil sand wastes while reducing the environmental footprint of

Development of a Polymetric Cementing and Encapsulating Process for Managing Haz- ardous Wastes. EPA/, U. S. Environmental Protection Agency, ?Dockey= This paper is part of a research line focused on the reduction of the use of cement in the industry. In this work, the study of work methodologies for the manufacture of green cementitious grout mixtures is studied. Grout is widely used in construction and it requires an important use of raw materials. On the other hand, the steel industry faces the problem of the growing generation of


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Development of cementitious grouts for the incorporation ofradioactive wastes Download PDF EPUB FB2

Plans for disposal of the low-level fraction of selected double-shell tank wastes at Hanford include grouting. Grout disposal is the process of mixing low-level liquid waste with cementitious powders and pumping the slurry to near-surface, underground concrete vaults; hydration results in the formation of a solid product that binds/encapsulates the radioactive/hazardous :// @article{osti_, title = {Development of cementitious grouts for the incorporation of radioactive wastes.

Part 2. Continuation of cesium and strontium leach studies. [Hydrofracture]}, author = {Moore, J G}, abstractNote = {Additional leach studies were completed on the leachability of cesium and strontium from simulated hydrofracture :// Conference: Leach behavior of cementitious grouts incorporating radioactive wastes Title: Leach behavior of cementitious grouts incorporating radioactive wastes Full Record   Encapsulation of intermediate level radioactive waste (ILW) in cementitious matrices is the preferred method for its disposal in the UK.

Combinations of supplementary cementitious materials (SCMs) and Portland cement (PC) contribute to the grouts used in this process (Atkins and Glasser, ).The high pH of the blended cements, normally 12 or higher (Moranville A composition and related process for disposal of hazardous waste streams containing fluoride in cement-based materials is disclosed.

The presence of fluoride in waste materials acts as a set retarder and as a result, prevents cement-based grouts from setting. This problem is overcome by the present invention wherein calcium hydroxide is incorporated into the dry-solid portion of Development of cementitious grouts for the incorporation of radioactive wastes.

Part 2. Continuation of cesium and strontium leach studies. [Hydrofracture] Technical Report Moore, J G. Additional leach studies were completed on the leachability of cesium and strontium from simulated hydrofracture grout.

These studies followed the test method   The results of this research are embodied in the following articles: Moore, J. G., et al, Strontium Leachability of Hydrofracture Grouts for Sludge-Slurries, Oakridge National Laboratory, March ; Moore, J.

G., Development of Cementitious Grouts for the Incorporation of Radioactive The use of cementitious grouts in prefabricated bridge element (PBE) connections is a common practice in the USA.

Given the important role that these connections play within the infrastructure, the grout materials used must provide good flowability, mechanical and durability properties, low shrinkage, and good bond to the precast concrete ://   Various cementitious materials are surveyed and the use of blast furnace slag is shown to be advantageous.

The properties of cemented wastes are surveyed both during processing and as solid products. The application of Winfrith Cementation Laboratory technology to plant and flowsheet development for Winfrith Reactor sludge immobilisation is Abstract.

Cementitious materials are essential parts in any radioactive waste disposal facility (either shallow or deep underground facilities). Despite these materials having been extensively used and studied, there is still a need to investigate and understand their long-term behavior due to the fact that disposal is a passive system and regulatory requirements for the safe disposal Shale fracturing is a process currently being used at the Oak Ridge National Laboratory for the permanent disposal of locally generated waste solutions.

In this process, the waste is Phase evolution of slag-rich cementitious grouts for immobilisation of nuclear wastes Conference Paper September with Reads How we measure 'reads' Development of Cementitious Grouts for the Incorporation of Radioactive Wastes, Part I: Leach Studies (ORNL).

Oak Ridge, Tenn.: Oak Ridge National Laboratory. Moore, J. This book provides an updated state-of-the-art review on biopolymers and their influence and use as admixtures in the development of eco-efficient construction materials.

Show less Since more thannew chemical compounds have been developed and insufficient information exists on the health assessment of 95 percent of these chemicals   The use of cementitious grouts for a variety of wastes is mature and results in passively safe waste packages suitable for long-term management prior to disposal.

These grouts typically comprise either ordinary Portland cement/pulverised fuel ash (OPC/PFA) or OPC/ground granulated blast-furnace slag (OPC/GGBS) :// The utilisation of calcined clay, in the form of metakaolin (MK), as a pozzolanic material for mortar and concrete has received considerable attention in recent ://   Cement manufacture with wastes.

In the manufacture of Portland cement, many otherwise-waste materials can be used either as a substitute for the traditional raw material, or as a secondary fuel (e.g., used tires) [, ].

In particular, drilling wastes can be introduced in the clinker burning ://   The findings have implications when selecting cementitious grouts and/or backfill materials for radioactive waste streams containing Mo and enhance the sparse data currently available on molybdate retention in cementitious materials (cf.

Ochs et al., ). The approach pursued in this study improved the understanding of the contributions of The incorporation of industrial solid wastes into construction materials is attractive mainly due to the possibility of use of costless raw materials, conservation of natural resources, and   Generally, micropiles grouts are prepared using Portland cement, although the standards do not restrict the cement type to use, as long as they achieve a strength requirement.

In this research, fly ash cement grouts made with w:c ratios, and were studied from 2 up to 90 days of ://. Development of cementitious grouts for the incorporation of radioactive wastes: part 2, continuation of cesium and strontium leach studies [] Moore, James Gregory, Oak Ridge, Tenn.: Energy Research and Development Administation, Oak Ridge National Laboratory ; Springfield, Va.: for sale by the National Technical Information Service ?q="Grout+(Mortar)"&search_field=subject_terms.

Cementitious materials are ubiquitous in geological disposal. They have been proposed for use as roadways and floors, tunnel linings, waste conditioning matrices, waste packages, overpacks, buffers, backfills, tunnel plugs and seals, and fracture grouts.

Although some of these cementitious materials may be removed before SW-8,72 September GUIDE TO THE DISPOSAL OF CHEMICALLY STABILIZED AND SOLIDIFIED WASTE by Environmental Laboratory U.S. Army Engineer Waterways Experiment Station Vicksburg, Mississippi Interagency Agreement No. EPA-IAG-D Project Officer Robert E.

Landreth Solid and Hazardous Waste Research Division Municipal ?Dockey=