RELATIONSHIPS BETWEEN MECHANICAL PROPERTIES AND PHASE COMPOSITION OF HARDENED CEMENT PASTE

RELATIONSHIPS BETWEEN MECHANICAL PROPERTIES AND PHASE COMPOSITION OF HARDENED CEMENT PASTE
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硬化水泥净浆力学性能与相组成的关系

DOI:
10.3130/aijs.76.213
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发表时间:
2011
期刊:
Journal of Structural and Construction Engineering (transactions of Aij)
影响因子:
--
通讯作者:
I. Maruyama
I. Maruyama
中科院分区:
--
文献类型:
--
作者:
G. Igarashi;I. Maruyama

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研究了水化热引起的高温历史对水泥浆体物理性能和水化体系的影响。众所周知,早期温度升高会导致力量发育停滞。因此,通过x射线/Rietveld分析和水泥浆体性能来确定每种矿物组分和水合物的水化程度,即考察每种矿物的水化程度、氢氧化钙的量、化学结合水、含水量、硬化水泥浆体的密度和力学性能。因此,硬化水泥浆体的抗压强度、杨氏模量和剪切模量可以用硬化水泥浆体的凝胶/空间比单曲线来评价,而不考虑W/C的差异。
The effect of elevated temperature history due to heat of hydration on physical properties and hydration system in the cement paste were investigated. The elevated temperature in early ages is known to cause stagnation of strength development. Therefore, the degree of hydration of each mineral component as well as hydrates is determined by X-ray/Rietveld analysis and cement paste properties, namely, the degree of hydration of each mineral, the amount of calcium hydroxide, chemically bound water, water content, density of hardened cement paste and mechanical properties were investigated. As a result, compressive strength, young's modulus, and shear modulus of hardened cement paste, regardless of W/C differences, can be evaluated with gel/space ratio of hardened cement paste with a single curve.
DOI: --
发表时间: 2005
期刊: 日本建築学会構造系論文集 No.593
影响因子: --
作者:
丸山 一平;野口 貴文;松下 哲郎
通讯作者: 松下 哲郎
DOI: --
发表时间: 2007
期刊: 材料 Vol.56,No.8
影响因子: --
作者:
佐々木謙二;佐伯竜彦
通讯作者: 佐伯竜彦