级配

提出并验证了四种具有实用价值的集料级配组成

The paper has put forward and testified four utilizable aggregate gradation .

STRATA应力吸收层的级配特征与施工控制技术

Gradation Feature and Construction Control Technology of Strata Stress - Absorbed Layer

如果混凝土养护得很差，那么在精心选定混凝土的级配、拌和和密实成型上所耗费的精力将是徒劳无益的。

The effort spent on careful grading , mixing and compaction of concrete will be largely wasted if the concrete is badly cured .

各种级配大坝混凝土双K断裂参数试验研究&兼对《水工混凝土断裂试验规程》制定的建议

An experimental study on double-K fracture parameters of concrete for dam construction with various grading aggregates

本文介绍高速公路AC～I改进型沥青混合料级配设计、施工工艺控制要点及最终效果。

This paper introduced the graduation design ; key point to construction craftwork and final effect of AC-I improved asphalt mix for freeway .

试验结果表明，调整AC型级配范围后的沥青混合料，高温稳定性能得到提高。

According to the test results , it was concluded that the bituminous mixtures , which use the modified AC gradation range , can improve its high temperature stability .

通过与ASTM和我国级配规范的比较，证明了n的理论范围是合理的。

Through the comparison with the specification of ASTM and our nation , it 's proved that the theoretical value of n is reasonable .

最大理论密度线邻近级配沥青混合料的VMA变化分析

Analysis on VMA variation with gradations of asphalt mixture

采用紧密堆积理论对cBN进行级配后，坯体的致密度得到了提高，烧结状况也有明显的改善。

The density of green body is increased and the sintering condition is improved after adopting close packing theory .

提出了基于CBR值和剪切强度双指标控制的级配碎石组成设计方法及适宜多年冻土地区的施工工艺。

Put forward to graded broken stone design methodology based on CBR and shear strength and construction method in perennially frozen soil zone .

在SAC混合料设计原理的基础上进行了SAC级配设计系统开发。

An SAC grading design system , which is developed on the basis of SAC mixture design principle , is introduced in this paper .

对于不同级配，整个区间的温缩系数可取其平均值为6.5μm/（m.℃）。

To different gradation , the temperature contraction coefficient in the whole temperature interval can take the average value , namely 6.5 μ m / ( m ·℃) .

重结晶法级配六硝基茋（HNS）的实验研究

Experimental Study on the Gradation of HNS by Recrystallization

混合料的颗粒级配（Df）、化学成分、吸水特性决定了制粒的最佳透气性。

The best permeability of green bed would be determined by the feature of particle size distribution ( Df ), chemical composition and water-absorbing properties .

以GTM为成型方式的AC-16型沥青混合料级配优化

Study of asphalt mixture 's optimization gradation of AC - 16 with GTM

间断级配是将美国AASHTO的25mmNMAS级配范围进行了合理的修改而成。

The gap gradation envelope was attained by revising 25 mm NMAS of American AASHTO .

对此级配分别采用马歇尔、SGC方法确定最佳沥青用量，并进行路用性能试验。

The author respectively adopted Marshall and SGC to design the optimal asphalt content , meanwhile conducted pavement performance tests .

改进的AC-20级配沥青混合料抗车辙性能研究

Research on the anti-rut performance of modified AC-20 graded asphalt mixtures

本文对OGFC的矿料级配组成，路用性能、受力机理进行了系统研究。

The grade composite , road performance and its mechanism are systemically studied .

结果表明，采用SiC颗粒级配方法能明显改善SiC-Si复相陶瓷材料的干摩擦磨损性能。

It is shown that the dry frictional and wear performances of the multi-phase SiC-Si ceramic material are better than those of ordinary SiC-Si ceramic material .

根据不同的使用功能，粒料的种类可从强度较低的砂砾、级配砂砾、未筛分碎石到强度较高的级配碎石、高质量水结碎石（WaterMacadam）。

According to different use function , the variety of granular stone can be classified from low-strength granular block , such as sand and gravel , graded sand and gravel , non-screening macadam , to high-strength graded macadam and high-quality water macadam .

AC-16型沥青混合料工程设计级配范围研究

Engineering design grading envelope of AC-16 bituminous mixture

测定不同分形维数的级配骨料对混凝土试件的28d强度的影响，并结合实际工程案例进行研究。

The effect of grading aggregate with different fractal dimension on concrete sample strength at 28 days is tested . The practical construction is studied .

研究表明，适当的压力是制备性能良好、组织均匀SiC预制体的基础，造孔剂含量和颗粒级配是影响碳化硅预制体气孔率的两个主要因素。

The results have shown that a suitable pressure is elementary of fabricating the preforms with a homogenous microstructure and good property . Content of pore-forming materials and particles matching are two major factors , influencing on the porosity of SiC preforms .

超薄层沥青混凝土SAC-10矿料级配比较试验研究

Comparison testing research on aggregate gradation of ultra - thin layer asphalt concrete SAC-10

用于薄层罩面的AC-10沥青混凝土级配组成及路用性能的研究

Gradation Composition of the AC-10 Asphalt Concrete of the Thin Overlay and Research of Pavement Performance

分析了EPS颗粒形貌、EPS粒径和级配、膨胀珍珠岩和特细砂、粘结剂品种和掺量、纤维品种和掺量、养护制度等对EPS保温砂浆性能的影响。

The influence of granula morphology , grain size and distribution of EPS , variety and added quantity of expanded pearlite , super fine sand , binder and fiber , curing system on EPS thermal insulation mortar properties are analyzed .

碾压砼采用了二级配和准三级配（最大粒径为60mm）配比；

For the mix proportion of RCC , secondary grading and quasi-triple grading ( with the max. grain diameter of 60 mm ) are applied .

土壤POC含量与不同粒径区间颗粒含量相关关系表明，高潮滩与中潮滩柱样的泥沙级配较为接近；

The correlations between soil POC contents and contents of grains in different size fractions indicated that grain size characteristics of samples from high marsh were similar to those of samples from middle marsh .

作者采用U9（96）均匀设计方法对充填材料的颗粒级配确定进行了实验研究，确立了较优的颗粒组成，在此颗粒级配下，可使充填材料获得高的堆积密度和强度；

The experiment studied the size distribution of filling material by U9 ( 96 ) uniformity design method and found an excellent size composition .