对南水北调中线强膨胀岩重塑样进行了膨胀率试验，分析吸湿条件下膨胀岩膨胀变形规律。
The swelling deformation properties of expansive rock during moisture absorption are studied by means of the expansion ratio tests.
试验结果表明：1）相比于未改性土，粉煤灰改性土和石灰改性土自由膨胀率、塑性指数、胶粒含量都显著降低；
The test results indicate that: 1) Compared with unmodified soils, the free swelling ratio, plastic index and clay fraction of fly ash-treated soils and Lime-treated soils decrease obviously.
试验结果表明，不同浸水路径在浸水的初期阶段对膨胀土的膨胀变形速率有一定的影响，但膨胀率最终值基本一致；
The test results indicate that the swelling deformation rate in the early stage may affected by the inundation ways, but the ultimate deformation rates should be the same.
本项工作系统地进行了膨胀土的物理-力学性质试验及分析，尤其是膨胀率与干容重和含水量及外覆压力关系分析。
Systematic physio-mechanical properties test and analysis, especially analysis of relationship between expansion rate, dry density, water content, and overlying pressure, are carried out.
在单因素试验的基础上，利用响应面分析法对影响热塑性淀粉挤出膨胀率的因素进行优化。
The factors that affected extrusion swell of thermoplastic starch were optimized by response surface based on the single factor experiment.
在加筋土有荷载膨胀量试验中，取三种不同加筋率的试样进行试验求其膨胀率。
During the swelling capacity test of the reinforced soils under load, three different reinforcement ratio samples are tested in order to reduce their expansion of the soils.
各个试验系列按照各自养护方法进行养护，并在规定龄期测定其质量损失率或长度膨胀率指标。
For each test series the samples were maintained according to its own maintaining method and the loss rate of quantity or length expansivity was measured in defined period.
各个试验系列按照各自养护方法进行养护，并在规定龄期测定其质量损失率或长度膨胀率指标。
For each test series the samples were maintained according to its own maintaining method and the loss rate of quantity or length expansivity was measured in defined period.
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