This work studies the effect of curing time in mold on the strength and other properties of low cement corundum castables, exploring the feasibility of reducing the curing time in mold.
研究了模内养护时间对低水泥刚玉质浇注料强度及其他性能的影响，探讨了施工过程中缩短浇注料模内养护时间的可行性。
Cement multi-stabilized gravel base has advantage on its high strength, low cost and wide source, widely used in West of China, but in the long run, it is weak in premature destroy.
水泥稳定类砂砾基层具有强度高、造价低廉、原材料来源广等优点，能够很好地适应当前西部的交通条件、自然条件和经济条件。
The strength and pore structure and other properties of slag-fly ash blended cement, with low clinker, have been studied in order to their components.
针对矿渣、粉煤灰的组成特点，研究了少熟料矿渣粉煤灰复合水泥的强度和孔结构和其它性能。
The results show that AS cement possesses high early strength, low hydration heat and durability, but its shrinkage rate is higher than that of portland cement.
结果表明，碱-矿渣水泥具有早强、高强、低水化热和高耐久性等优良性能，但是干缩较大；
The strength of the cement is low, the stability of volume is unqualified, primarily is to go together with raw materials mix proportion by weight what caused by inappropriate reasons .
水泥的强度低，安定性不合格，主要是配料不当的原因造成的。
In view of the high cost and low strength of the paste cement filling used at present in mines, it was proposed to use partial fly ash in stead of cement as the binding agent.
针对当前矿山膏体胶结充填成本高、强度低等现状，提出了以部分粉煤灰替代水泥作为胶凝剂。
The cement has advantages of low sintering temperature, fast coagulation time, high initial and later strength and good corrosion resistance.
该水泥烧成温度低、凝结时间快、早期和后期强度都高、耐侵蚀性能好。
Relationship between hydraulic reactivity of slag and strength of cement with low amount of clinker is explored under the activation of fine grinding, alkali and sulfate in combination.
研究在粉碎活化、碱性激发和硫酸盐复合激发的作用下，大掺量矿渣的活性激发与强度的关系。
The present invention has advantages of well-distributed moisture within raw cement balls, even ball diameter, moderate strength and low damage percentage.
本发明的优点是：水泥生料料球水分分布均匀、粒度均齐、强度适中、破损率低。
The problem of the low early strength of Belite cement can be solved by adding minerals which has high early strength or appropriate activation or burning at low temperature.
虽然贝利持矿物早期强度较低，但通过引入早强矿物或加适当的稳定活化剂或低温煅烧等方式可以解决贝利特水泥早强低的问题。
Cement matrix composite is fragile and possesses very low tensile strength.
水泥基复合材料均为抗拉性能低的脆性物质。
The result of the research indicates that the high performance concrete produced with this type of cement is of higher early and post strength and the electric flux of the concrete is low.
研究结果表明，应用该水泥配制的高性能混凝土均具有较高的早期强度和后期强度，混凝土的电通量较低。
This cement slurry provides good properties such as low density, low filtration, gas channeling prevention and stable compressive strength at high temperature.
超细防气窜水泥浆体系具有防气窜、低密度、低失水、抗水泥石高温强度退化等优点，适用于超深油气井注水泥作业。
In order to solve the problems, a novel foam cement slurry system with low density, high strength and good channeling resistance, has been developed and tested.
为此，研制开发了密度低、强度大且防窜性能好的新型泡沫水泥浆体系，并对其性能进行了试验研究。
Under the conditions of low cement ratio, water has important influence on the consolidation process, and further has direct impact on the strength of the fill.
在低配比条件下，水对其固结过程有重要影响，从而直接影响充填体的强度。
Dynamics of clinker formation with raw mix proportioning of four kinds of tailings are revealed by mechanism of burning high strength cement under low heat consumption.
用四种尾矿配料的低热耗烧高强水泥熟料的机理，确定了尾矿配料熟料形成动力学。
J-646, a new optical photosensitive cement is characterized by good transmissivity, small shrinkage, moderate strength, good ageing resistance, less toxicity and low cost.
光敏胶具有透光率好，收缩率小，粘接强度适中，耐老化，毒性小和成本低廉等特点。
The invention solves the problems of low early strength, poor slurry flowability and stability and short service life of the traditional non-floating bead pulverized fuel ash low-density cement.
本发明解决了现有非漂珠粉煤灰低密度水泥早期强度低、浆体流动性不好、稳定性差及使用寿命短的问题。
This paper introduces a successful application of the composite foundation with low-strength-concrete pile and cement-mixed pile in Ouhai road of Wenzhou to alleviate bridge-head jump.
介绍了温州瓯海大道桥头路堤采用低强度砼桩和水泥搅拌桩组合复合地基处理桥头跳车问题。
This paper introduces a successful application of the composite foundation with low-strength-concrete pile and cement-mixed pile in Ouhai road of Wenzhou to alleviate bridge-head jump.
介绍了温州瓯海大道桥头路堤采用低强度砼桩和水泥搅拌桩组合复合地基处理桥头跳车问题。
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