According to the former solution of spherical or columnar hole about material strain-softening model, the model for grout bulb expansion is formed in compaction grouting.
根据他人已有的关于材料应变软化模型的球(柱)形孔扩张问题的解，建立了压密灌浆中的浆泡扩张模型。
Electromagnetic forming was applied to the powder material compaction, and PZT powder was compacted with low-voltage electromagnetic compaction.
将电磁成形技术用于粉末材料致密度研究中，以PZT粉末为研究对象，对其进行低电压电磁压制成形。
In rainy days, it is not suitable to carry on the spreading and compaction of filling material.
雨天不宜进行填料的摊铺和压实作业。
The maximum dry density is a mainly index of compaction quality for rockfill material.
最大干密度是确定填石料压实质量的一个主要指标。
Maintaining this compaction head position tends to break down the memory of the material.
保持该压缩头的位置容易把存储的材料分解。
The paper studies the roller compaction character of desert sand used for embankment material.
本文对沙漠砂作为填我土料所具有的碾压特性进行了研究。
A preparation method of an iron powder material suitable for application in high velocity compaction technology belongs to the technical field of powder metallurgy.
一种适于高速压制技术应用的铁粉原料的制备方法，属于粉末冶金技术领域。
For deeply recognizing the reliability of the weathered rock and crushed rock soil used as seepage proof material for the core wall, the field compaction test was conducted.
为深入了解认识风化料和碎石土作为心墙防渗料的可靠性，开展了现场碾压试验研究。结果表明：页岩风化料作为心墙防渗料是可行的，特别是全、强上混合料，更具有可靠的防渗性能；
The general analysis on the impact of engineering property, rolling parameter and rolling mode on the compaction quality of gravel material can provide reference for similar engineering construction.
对砂砾石料的工程性质、碾压参数和碾压方式对砂砾石料防洪堤坝兼做公路路基的压实质量的影响进行全面分析，可为此类工程实践提供参考。
The standard vibratory compaction method is concluded on the basis of vibratory compaction test using cement-stabilized macadam which is the most conventional semi-grid material.
应用振动压实方法确定压实标准、振动成型方法成型大量试件，并与标准击实方法确定压实标准、静压成型方法成型的试件进行对比。
The standard vibratory compaction method is concluded on the basis of vibratory compaction test using cement-stabilized macadam which is the most conventional semi-grid material.
应用振动压实方法确定压实标准、振动成型方法成型大量试件，并与标准击实方法确定压实标准、静压成型方法成型的试件进行对比。
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