废磷粘土中结合水的测定

4区材料科学 Q2 Engineering

Advances in Materials Science and Engineering Pub Date : 2009-06-15 DOI:10.1155/2009/854701

Mahir Dham, B. Birgisson, A. Boyd

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引用次数: 1

摘要

磷酸盐粘土是磷矿露天开采的副产品，特别是在美国佛罗里达州。这些废料占用了大约10万英亩的土地，这些土地本可以用于其他用途。因此，将其作为一种交替的胶凝材料，加入到水泥浆体和混凝土的混合基质中，以产生更高的强度，这对两种材料都是有益的。但最大的缺点是磷粘土的持水量大。因此，当添加到水泥浆和混凝土中时，水不能用于混合目的，因此被称为结合水。因此，确定磷酸盐粘土的结合水量是至关重要的，磷酸盐粘土不能用于水泥浆和混凝土中的水泥水化反应。

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The Determination of Bound Water in Waste Phosphatic Clay

Phosphatic clay is a by-product of phosphate strip mining, particularly in Florida, USA. This waste material occupies about 100 000 acres of land which could be utilized for other causes. Thus, its use as an alternating cementing material for the addition into the mixing matrix of cement paste and concrete to yield higher strength would be profitable for both materials involved. But the biggest drawback faced is that the phosphatic clay possesses high water holding capacity. The water is thus not available for mixing purposes when added to cement paste and concrete and is thus known as bound water. It is therefore essential to determine the amount of bound water to phosphatic clay which shall not be available for the hydration reaction of cement in cement paste and concrete.

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来源期刊

Advances in Materials Science and Engineering Materials Science-General Materials Science

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： Advances in Materials Science and Engineering is a broad scope journal that publishes articles in all areas of materials science and engineering including, but not limited to: -Chemistry and fundamental properties of matter -Material synthesis, fabrication, manufacture, and processing -Magnetic, electrical, thermal, and optical properties of materials -Strength, durability, and mechanical behaviour of materials -Consideration of materials in structural design, modelling, and engineering -Green and renewable materials, and consideration of materials’ life cycles -Materials in specialist applications (such as medicine, energy, aerospace, and nanotechnology)