干密度指的是土的孔隙中完全没有水时的密度，即固体颗粒的质量与土的总体积之比值。土的最大干密度一般常在1.4~1.7 g/cm3。 干密度反映了土的孔隙比，因而可用以计算土的孔隙率，它往往通过土的密度及含水率计算得来，但也可以实测。土的干密度一般常在1.4~1.7 g/cm3。
最大干密度 [水文] maximum dry density ; maximum dry unit weight
烘干密度 oven-dried density
木材气干密度 air density of wood ; Wood air-dried density
气干密度 Air-dry density ; air-dried density
风干密度 air dry density
干密度试验 the dry density test
相干密度涨落模型 CDFM
土壤干密度 dry density of soil
干密度与含水量比 Dry density moisture ratio
In addition,the results show that the shrinkage of compacted specimens is anisotropic rather than isotropic,and is more sensitive to the initial water content than the initial dry density.
此外,压实试样的体积收缩存在明显的各向异性,且对初始含水率的敏感程度高于初始干密度。
参考来源 - 土体干燥过程中的体积收缩变形特征The tri-axial tests of unsaturated remolded loess were performed for different dry densities and water contents and consolidation degrees using Yangling loess. The change laws of strength property and parameters of Duncan-Chang model of unsaturated remolded loess were analyzed.
本文以杨凌黄土为研究对象,进行了不同初始干密度、不同初始含水率及不同固结度下的非饱和重塑黄土常规三轴剪切试验,在大量的试验研究基础上,分析了杨凌非饱和重塑黄土的强度指标和邓肯-张模型各计算参数随初始条件的变化规律。
参考来源 - 非饱和重塑黄土强度特性的试验研究Vibrating compaction method and heavy compaction method and three types of grade are adopted in physics and mechanics test. Comparing dry density, CBR, modulus of different sample method, and establishing relationship of these parameters.
采用振动成型和击实成型的方法,选用三种级配,进行级配碎石的物理力学试验,对不同成型方法的干密度、CBR和模量等进行对比,建立这些参数之间的关系。
参考来源 - 级配碎石基层抗剪强度设计标准的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
延迟时间影响其干密度。
研究了泡沫-EPS保温砂浆的导热系数与干密度的关系。
The relationship between coefficient of thermal transmission and dry density of foamed EPS thermal insulation mortar is also researched.
将土样送试验室做击实试验，确定其最优含水率和现场控制干密度。
Send soil samples to lab for compaction test so as to determine the most reasonable water content ratio to enable on-site control of dry density.
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