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。
Super-high strain rate impact tensile testing data of some resin matrix composite,such as Kevlar,glass and carbon fibers reinforced composites,were obtained by freely expanding ring experiment in which shaping of explosive cylinder and design of sample rings were optimized,and .
通过自由膨胀环实验,得到了一些芳纶纤维、玻璃纤维、碳纤维等增强的树脂基复合材料在超高压应变率下的冲击拉伸试验数据,在实验中应用了简便的应变片电测技术,并优化了装药和试样环的设计。
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。
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。
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 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
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
Application of the Relative Free Swelling Ratio Testing of Clay Minerals in Sandstone Reservoirs Evaluation in Shengli Oil Field,China
自由膨胀比测定新方法在胜利油区砂岩储层评价中的应用
A gas released in free space would expand indefinitely.
在自由空间放出的气体将无限膨胀。
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
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
The soil expands upon imbibing water.
土壤会由于吸水而膨胀。
To cause to expand by or as if by internal pressure;dilate.
使膨胀,使肿胀使由或好象由内部压力而膨胀或扩张的
Example:? Many bad decisions are results of unchecked emotion or inflated ego.
很多错误的决定都是由失控的情绪和膨胀的自我导致的。
On the Cause and Consequence of Judges Discretion Power s Expansion in the Reservation of Public Order;
论公共秩序保留中法官自由裁量权膨胀的原因及其后果
swelling of the scrotum resulting from chronic lymphatic obstruction.
阴囊由于慢性淋巴阻塞而过于膨胀。
It is difficult to lay away money now be cause of the inflation.
由于通货膨胀现在存钱不易。
theory of inflation
通货膨胀由工资提高而引起的理论
In consequence of its rise in temperature the gas expands.
由于温度升高,气体膨胀了。
On account of inflation, money is lowering its value .
由于通货膨胀,金钱正在贬值。
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