影响须根量的因素，除植被因素外，与土层厚变显著正相关，深厚土壤有利于植物根系的生长发育。
The factors affecting fibrous roots size besides the planting vegetation, it has signal positive correlation to thickness of soil, thick soil is good to the growth and development of plant roots.
掩体——掩体越重，挡在你和反射性沉降颗粒之间的物质——如厚墙壁，砖块，书本，土层越多，保护效果越好。
Shielding - the heavier and denser the materials - thick walls, concrete, bricks, books and earth - between you and the fallout particles, the better.
顶板厚砂土层采动变形破坏规律是建立顶板动态结构理论的基础。
The mining deformation damage law of thick sandy soil over roof is the basis of setting up the dynamic structure theory of roof.
本文所研究的就是巨厚湿陷性黄土层条件下保护地表安全的开采方法。
What this thesis studies is to protect the security mining method under the condition of thickness collapsible loss.
对预计模型的评价及应用表明，该方法可以较好地解决厚黄土层矿区地表移动的预计问题。
Evaluation and application to the prediction model indicate that the problem for predicting subsidence of thick soil lager is properly solved.
在实验研究的基础上，建立了“卸荷拱”计算模型及“拱梁”力学模型，初步分析了厚沙土层的破坏机理。
On the basis of test research, unloading arc calculating model and arc beam mechanical model are set up, thick sand stratum's rupture law is exposed.
通过动态相似模拟试验，揭示了厚砂土层破坏形态，并初步分析了破坏机理。
The damage form of thick sandy soil layer was revealed and the damage mechanism was primarily analyzed through the dynamic simulating model test.
综合大量事实，本文指出表土深部的厚粘土层存在着地压高、不冻结、塑性变形显著、摩擦阻力大等工程特性。
A great deal of evidence has indicated that deep-thick bedded clay has engineering properties which are high earth pressure, non-frozen, distinct plastic deformation, great lateral resistance.
对于等厚式封面土层，目前常用无限长的平行坡方法进行稳定性分析。
To the problem of analyzing the stability of veneer cover soil of equal thickness, the most commonly used methods are based on the assumption that slopes were infinite in length.
结果表明：(1)软土层越厚，加筋效果越不明显，且采用加筋砂垫层加固深厚软基是不合适的。
All the results enunciation: (1) the thicker the soft soil layer is, the smaller the reinforcement effect is, and the reinforced sand blankets is not effective to treat thick soft ground.
分析了巨野矿区立井穿过厚表土层将要遇到的主要工程地质问题。
The main engineering geological which probably arise during the shaft building through the thick over soils are analyzed.
分析表明在一定厚度范围内粘性土土层越厚，固结效果越好，在土层较薄的情况下固结的效果不是很明显。
The analysis shows that within certain thickness range, the thicker the clay layer, the better the consolidation effect. No evident consolidation effect is found in thin soil layer.
概述了矿区巨厚土层的地层结构及其基本组成特点。
The geological strata and it's basic constitute characteristics are also introduced.
对预计模型的评价及应用表明，该方法可以较好地解决厚黄土层矿区地表移动的预计问题。
Evaluation and application to the prediction model indicate that the problem for predicting subsidence of thick soil lager is prop...
顶板厚沙土层；
顶板厚沙土层；
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