Effect of soil sample preparation on free swelling ratio and its improved measures;
土样制备对自由膨胀率的影响及其改进方法
Free swelling ratio is an important index for the identification and classification of expansive soils,and it s meaningful to research the relationship between the free swelling ratio and the architectural characteristic of expansive soils.
自由膨胀率是膨胀土判别和分类的一项重要指标,研究自由膨胀率特征与膨胀土结构特性关系有着重要意义。
among selling ratio ( δ_(ep) ),swelling force ( P_e), and free swelling ratio ( δ_(er)).
具有膨胀土工程地质性质的粘性土,膨胀试验指标有时会表现为不协调性,膨胀率(δep)、膨胀力(Pe)、自由膨胀率(δef)指标显示不出膨胀性能的一致性。
The results showed that retarder used together with sulfoaluminate expansion agent can reduce restrained-expansion rate of expansion agent, and increase its early stage free-expansion rate and expansion index, as a result reduce its efficient expansion energy.
结果表明:缓凝剂和硫铝酸盐型膨胀剂复合使用时,会降低膨胀剂的限制膨胀率,增大其早期自由膨胀率及膨胀指数,从而降低其有效膨胀能。
The results showed that the synergy effect of retarders used together with superplasticizers can reduce the restrained-expansion rate and free-expansion rate of ulfo-aluminate expansive agents mortar specimens in water or air curing condition,but the expansion indexes of mortar specimens at .
结果表明:缓凝剂与高效减水剂的协同效应会降低硫铝酸盐型膨胀剂在水中养护和空气中养护条件下的限制膨胀率、自由膨胀率,增大膨胀剂砂浆水养28 d的膨胀指数,从而降低了硫铝酸盐型膨胀剂有效膨胀能的利用。
The results showed that superplasticizer used together with sulfo-aluminate expansive agents can reduce restrained-expansion rate of expansive agent,and drop free-expansion rate mixing naphthalene series and amino sulfonic,increase expansion index,so resulting in the reduction of efficient expansion energy of expansive agent.
结果表明:高效减水剂和硫铝酸盐型膨胀剂复合使用时,会降低膨胀剂的限制膨胀率,降低复掺萘系和氨基的自由膨胀率,增大膨胀指数,从而降低其有效膨胀能。
Influential factors on free swell test;
自由膨胀率试验的影响因素
According to the experimental data ,the article makes statistical analysis of the correlation between the free expansion rate and the liquid limit of cohesive soil at Hefei area , brings out a linear equation to work out the free expansion rate with liquid limit, to judge the expansibility of the cohesive soil if combined with the geological characteristics of the engineering.
文章从试验资料出发,对合肥地区粘性土的自由膨胀率与液限的相互关系进行统计分析,建立线性方程,根据方程由液限算出自由膨胀率,结合工程地质特征,可对粘性土的膨胀性进行判定。
The higher the calcination temperature, the lower the strength, and the higher the free linear expansion rate of cement stone is.
结果发现 ,随着白云石煅烧温度的提高 ,水泥石的强度降低 ,膨胀率增大 ;保温时间越长 ,水泥石的膨胀率越大 ,强度越低 ;煅烧白云石掺量越大 ,水泥的早期强度越低 ,但对后期强度的影响不大 ;水泥石的自由线膨胀率随煅烧白云石掺量的增大而增大 。
This paper studied the effects of different activator on the properties such as strengths, free linear expansion rate, action of water reducer, water resistance and sulfate resistance of the composite made of waste gypsums from TiO 2 production and fly ash.
研究了不同的激发剂掺量对钛白石膏 粉煤灰复合材料的强度和自由线膨胀率等性能的影响 ,以及减水剂的作用 ,复合材料的耐水性和抗硫酸盐侵蚀性能等 。
Strain characteristics of different expansion factors(such as free expansion,confined expansion and effective expansion,etc) and the influential factors are analyzed.
通过对自由条件下的4种不同配合比自应力混凝土和11组不同配合比、不同尺寸的自应力钢管混凝土进行连续观测,讨论了不同条件下混凝土结构所产生的自应力变化规律,分析了自应力混凝土的自由膨胀、限制膨胀和有效膨胀等应变特点及其影响因素。
Experimental Study on Dry Density and Free Swelling Ratio of Cement-Treated Expansive Soil
水泥改性膨胀土干密度与自由膨胀率试验研究
open expansion tank heating system
自由膨胀水箱式供热系统
A gas released in free space would expand indefinitely.
在自由空间放出的气体将无限膨胀。
A Process of Free Expansion in A Container Which Insulates from Heat;
气体绝热自由膨胀过程中温度的变化
expansion ratio
充气率，发泡率膨胀率
The expansion ratio is related to the liquid flow rate, fluidization velocity and free descending velocity of the packing material.
填料膨胀率的大小与液体流量、填料的流化速度及自由沉降速度有关。
To swell out or expand from or as if from internal pressure.
膨胀，肿胀由或好象由内部压力而膨胀或扩张的
Iron ore pellets-Determination of relative free swelling index
GB/T13240-1991铁矿球团相对自由膨胀指数的测定方法
Analysis of Thermodynamic and Statistics for Irreversibility of Free Expansion and Diffusion Process;
自由膨胀和扩散过程不可逆性的热统分析
Expandable Principle Study of Adaptable and Expandable Sand Screen
可自适应膨胀防砂筛管膨胀机理研究
ion exchange bed expansion
离子交换剂床层膨胀率
ultra-low-expansion mirror telescope
超低膨胀率镜望远镜
persistent high rate of inflation
持续的高通货膨胀率
Interest rates and inflation were high.
利率和通货膨胀都很高。
The soil expands upon imbibing water.
土壤会由于吸水而膨胀。
Price have go up by 3% but with inflation running at 5% that is a fall in real term.
价格上扬3%，但由于通货膨胀率为5%，所以实际上还是下降了。
Inflation Rate Differentiation Based on Different Price Indexes;
由价格指数不同导致通货膨胀率差异引发的思考
A Accurate Measurement Method of Expansion Rate of Expansion Adhesive for Automobile
一种精确测试汽车用膨胀胶膨胀率的方法