由于庞大的体积和重量，现在的农业机械有显著的缺点：它们会把土壤压实，降低土壤孔隙度，杀死有益的生命，这意味着农作物不会长得太好。
With their enormous size and weight, today's farm machines have significant downsides: they compact the soil, reducing porosity and killing beneficial life, meaning crops don't grow so well.
本文旨在寻找测量土壤压实度的新方法。
供应孔洞挖掘机，沥青路面压实机，土壤压实机。
圆锥指数仪是农业上用于测量土壤压实度的专用设备。
Cone index penetrometer is a special apparatus widely used for assessing soil compaction in agriculture.
碾轮在滚动过程中，冲击块不断对轮毂和碾轮产生冲击，从而将土壤压实。
When said grinding wheel is rotating, the impact block continuously impacts on wheel hub and grinding wheel to compact soil.
扦插后要把插穗周围的土壤压实并随即浇一次透水，使插穗下部与土壤贴实。
After cutting around the cuttings to soil compaction and then pouring a permeable so that the lower part of cuttings and soil paste it.
本发明公开一种用于垃圾或土壤压实机的压实机轮顶(10)组件，包括由不同材料制成的底部(200)和顶部。
A compactor tip (10) assembly for a landfill or soil compactor comprises a base (200) and a tip that are formed from dissimilar materials.
研究了稳定剂和土壤性质对稳定的压实土的强度的影响。
The influence of stabilizers and soil properties on the strength of stabilized, compacted earth is investigated.
现在，工程师一致认为合理的路堤施工要求土壤分层摊铺，洒湿或晾干至接近最佳含水量并压实。
Today, engineers agree that proper embankment construction requires that the soil be spread in layers, moistured or dried to something near an optimum moisture content, and compacted.
智能化：带有压实控制系统及一个实时对在动态压实下面的土壤状况进行反应的系统。
Intelligence: With compaction control and a system that reacts instantly to the behaviour of the soil under dynamic stress.
将机械工程和土壤力学有机结合，对压实机—土壤系统动态特性进行研究建立了系统的动力学模型。
Combining the mechanic engineering with soil mechanics, the paper studies the dynamic characteristics of interaction between the compaction equipment and soil, dynamic model is set up.
试验结果指出：(1)压实度较小、渗透性较佳之土壤，因地下水渗透，在坡脚产生瞬间坍方。
The test results show that: (1) For low degree of compaction and moderate permeability of soil, sudden-ly landslides will occur at toe of slope due to the seepage of groundwater.
有效的压实可以显著改善土壤的承载能力，提高不渗透性。
Effective compaction can improve the bearing capacity of the soil, improve not permeability.
要保证路基的压实度，必须解决好路基土壤的选择、含水量的控制、铺土厚度的控制和压实度的检测等工作。
To ensure subgrade compaction, we must resolve the choice of subgrade soil, moisture control, shop soil thickness control and detection of degree of compaction work.
近年来城市森林人为活动频繁，对林地土壤造成不同程度的压实，从而影响林分生产力及森林土壤碳平衡。
Different degrees of soil compaction were caused by frequently human activities in urban forest in recent years, and thus affected forest productivity and soil carbon balance.
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。
This paper discusses the method and technical keys of rapid and nondestructive measurement of subgrade compactness (soil compactibility) by instantaneous impulsion method.
土壤的压实往往造成土壤结构的破坏和土壤的退化。
Soil compaction often makes soil structure destroying and soil degrading.
在现有压实检测技术的基础上，通过分析振动轮土壤系统的力学模型，建立了相应的运动方程。
On the basis of the present methods of compaction testing, the mechanical model of a vibrating roller-soil system was analyzed and its dynamic equation was established.
本产品是小型液压振动压路机，主要适用于各种非粘性土壤、沙土、砾石、砂石混合料、稳定土等建筑材料的压实工作。
This product issmall type hydraulic vibratory roller. It is mainly used for compacting variousconstruction materials such as non-cohesive soil, sandy soil, graves, macadamaggregate mixtures.
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。
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.
结果表明，通过压实层处理措施可有效改善表层土壤水分，提高矸石复垦耕地质量。
The results showed that the compaction treatment measure conducted could be efficient to improve the moisture of the surface layer soil and improve the quality of the coal rejects reclaimed farmland.
由于压实，增加了表层土壤的体积质量，降低了土壤孔隙度，水不易向下运动。
The volume quality of top soil is increased and the soil porosity is reduced owing to compaction, so water flow downward difficultly and the amount of water vertical infiltration is reduced.
建立了一种土壤非线性力学模型，可以反映土壤弹塑性变形和振动轮跳振等不同压实阶段特点。
This paper advances a nonlinear dynamic model dealing with the jump vibration for the drum of a vibratory roller.
建立了一种土壤非线性力学模型，可以反映土壤弹塑性变形和振动轮跳振等不同压实阶段特点。
This paper advances a nonlinear dynamic model dealing with the jump vibration for the drum of a vibratory roller.
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