Can Improve the soil physical characteristics, soil aggregate structure, reduce soil compactness.
可改善土壤物理特征，改良土壤团粒结构，减少土壤密实性。
This provides a new non-destructive, reliable and fast soil compactness testing method in engineering applications.
这为实际工程土压实度的测试提供了一种新的无损、可靠、快速的测定方法。
The article is validate the influence on moisture characteristic, soil compactness, biological and vegetal characteristic of summer maize by new soil amendment use field experimentation of corn.
通过大田玉米试验，验证新型土壤改良剂对夏玉米生育期土壤水分、紧实度及玉米生理生长特性的影响。
The signal of instant vibration testing for soil compactness is analyzed both in time domain and frequency domain. Some feature parameters reflecting the characteristics of the signal are extracted.
从时间域和频率域两个角度对土密实度瞬态振动测试信号进行了分析，提取了信号的特征参量。
Compactness from 600 mm above the pipe to surface grade shall be at least equal to surrounding soil.
从管道上部600毫米高度处到地面标高之间的回填土的压实程度应至少同周围的土质相同。
This paper discusses the method and technical keys of rapid and nondestructive measurement of subgrade compactness (soil compactibility) by instantaneous impulsion method.
叙述了用瞬态冲击法快速、无损测量路基压实度(土壤坚实度)的方法及技术关键。
By measuring different kinds of soil with different compactness and moisture content, the authors put up a new law of SX water-retardation in a state of instantaneous impulsion.
对不同压实度、含水量的土壤进行了测定，提出了在瞬态冲击下，存在新的SX水滞规律。
Under the condition of low compactness of sand as well as low normal stress, the thickness of geogrid-soil interface decreases with increase of normal stress, exhibiting negative linear relationship.
在砂土密实度及法向应力较低情况下，筋土界面厚度随法向应力的增大而减小，两者呈一负相关的线性关系。
The method for measuring the compactness of soft soil by instant hammering, and the signal analysis method based the wavelet and AR spectrum analysis are put forward.
针对地球质心运动主要是由多种周期运动叠加的特点，依次讨论了谱分析方法中的AR模型谱分析和小波谱分析方法。
The method for measuring the compactness of soft soil by instant hammering, and the signal analysis method based the wavelet and AR spectrum analysis are put forward.
针对地球质心运动主要是由多种周期运动叠加的特点，依次讨论了谱分析方法中的AR模型谱分析和小波谱分析方法。
应用推荐