Experimental comparison of creep models for asphalt sand at different levels of stresses
不同应力水平下沥青砂蠕变模型实验对比
By placing the Burgers and a viscoplastic model in series,a visco-elastoplastic model that can completely describe three-stage creep deformation behavior of asphalt sand is proposed.
将Burgers模型与粘塑性模型串联,得到能描述沥青砂3个蠕变阶段的粘弹塑本构模型。
Comparison between the proposed model and Burgers model prediction with experimental results show that the model successfully describes the total deformation behavior of asphalt sand mixture and has a better agreement with the experimental results.
构建一个描述粘塑性变形的组合体,引入非线性粘滞阻尼器,假定阻尼器所受应力与蠕变加速度成正比,在Burgers模型中串联该组合体,得到一个能够完整描述沥青砂三个蠕变过程的非线性流变模型,理论推导和分析了该模型蠕变本构方程。
Study on the oxidative degradation of macromolecular constituents of asphaltic sands with Mo(VI) complex as catalyst;
钼(VI)配合物催化氧化降解沥青砂中重组分过程研究
s This paper illustrates the reaction pattern of catalytic degradation of macromolecules in asphaltic sands.
引 言沥青砂也称油砂 ,是地球上广泛存在的重要资源 ,储量极其丰富[1,2 ] ,被认为是 2 1世纪的烃能源[3] 。
The structure that the modified asphaltic sands waterproof layer spreading on the modified asphalt layer is introduced in this paper.
本文介绍了改性沥青粘结层加铺改性沥青砂防水层的防水粘结层结构,针对SBS改性沥青砂桥面防水层的施工工艺展开探讨,为寒冷地区桥面铺装防水粘结层的施工质量控制提供参考。
The necessity of tank cathodic protection is detailed and impact of tar sand and electric insulation on cathodic protection system is highlighted.
阐述了储罐阴极保护的必要性,并重点探讨了沥青砂层及电绝缘对阴极保护系统影响的问题。
Characteristics of fluid inclusions and hydrocarbon accumulation mechanism of marine sandstone reservoir:with Silurian asphalt sandstone in central Tarim basin as an example
海相砂岩储层流体包裹体特征与成藏时期——以塔中志留系沥青砂岩为例
Impact on reservoir quality of oil/gas filling into reservoir of asphalt sandstones has been studied by means of laboratory simulation.
通过模拟实验的方法分析了油气充注对沥青砂岩储集性的影响,早期充填沥青少而残余孔隙率、渗透率很低的砂岩,晚期油气仍不能充注,是非储层;早期沥青均匀充填、充填程度高,残余孔隙率、渗透率低的砂岩,晚期低粘度稀油仍能充注,孔隙率、渗透率有大幅度提高,是有效储层;早期沥青充填较均匀,残余孔隙率相对较高,不同粘度的原油充注后,孔渗条件发生明显的改善。
The Silurian asphalt sandstone is widespread in Tazhong area of Tarim basin and mainly found in the upper slope of paleo-uplift and oil-generating basin of Lower Paleozoic, which shows that the widespread asphalt sandstone could be the outcrop of paleo-oil pools in this area.
塔里木盆地塔中地区广泛分布着志留系沥青砂岩,主要分布在古隆起和早古生代生油盆地的上倾方向,表明本区规模巨大的志留系沥青砂岩可能为古油藏露头带。
Based on microscopic examinations, the secondary pores of Jurassic asphaltic sandstone in central Tarim Basin can be pided into 4 types, including quartz and siliciclastic grain boundary dissolution pore, quartz secondary overgrowth boundary dissolution pores, feldspar and volcanic debris dissolution pore, and intergranular carbonate cement dissolution pore.
显微镜鉴定结果塔中地区志留系沥青砂岩次生孔隙可分为石英及硅质岩屑颗粒边缘溶孔、石英次生加大边溶孔、长石及火山岩岩屑溶孔以及粒间碳酸盐胶结物溶孔4种类型。
Narrow fractions of light gas oils obtained from various upgrading processes of Athabasca oilsands bitumen were investigated as diesel and jet fuels.
对Athabasca油砂沥青进行改质可以得到轻瓦斯油窄馏分,研究了将这些轻瓦斯油窄馏分作为柴油和喷气燃料时的性能。
Centre for Heavy Crude and Tar Sands
重质原油和沥青砂中心
Micro Structure Characters of Cement Emulsified Asphalt Mortar(CAM)
水泥乳化沥青砂浆(CAM)的微观结构特征
Study on Hydraulic Automatic Leveling System of Bituminous Mortar Vehicle
沥青砂浆车液压自动调平控制系统研究
Research on Factors Influencing Compressive Strength of High Strength Cement Asphalt(CA) Mortar
高强型水泥沥青砂浆抗压强度影响因素分析
Experimental comparison of creep models for asphalt sand at different levels of stresses
不同应力水平下沥青砂蠕变模型实验对比
Mesozoic Geological Characteristics, Accumulation Patterns and Resource Prospect of Oil Sands in Chuxiong Basin;
楚雄盆地中生代沥青砂地质特征、成矿规律与资源潜力
Effect of cement asphalt mortar disease on dynamic performance of slab track
水泥沥青砂浆劣化对板式轨道动力学性能的影响
Characteristics of fluid inclusions and hydrocarbon accumulation mechanism of marine sandstone reservoir:with Silurian asphalt sandstone in central Tarim basin as an example
海相砂岩储层流体包裹体特征与成藏时期——以塔中志留系沥青砂岩为例
petrolwum tar sand
含石油沥青的岩石或砂
coarse aggregate piant mix
粗粒砂子与沥青的混合物
Effect of Asphalt Emulsion on the Performance of Glazed Hollow Bead Insulation Mortar
乳化沥青对玻化微珠保温砂浆性能的影响
Natural Resources: bauxite, coal, crude oil, iron ore, natural asphalt, calcium, silica, mica, salt, clays.
自然资源：铝矾土、煤、原油、铁砂、天然沥青、石灰、硅石、云母、盐、粘土。
Application Research of Fly-ash, Slag-Calcium-added, Machine-made Sand on Asphalt Mixture;
粉煤灰、增钙渣、机制砂在沥青混合料中的应用研究
Research on the Effect of Magnesia-zirconia Powder and Environmental Protection Pitch on Properties of the Low Carbon MgO-C Brick;
添加镁锆砂及环保沥青对低碳镁碳砖性能影响的研究
ANALYSIS ON PEROPERTIES AND PROCESSING PERFORMANCE OF MAIN FRACTIONS IN CANADIAN ATHABASCA BITUNEM
加拿大油砂沥青主要馏分性质及其加工性能分析
native asphaltic pyrobitume
天然地沥青质焦沥青
To smear or cover with or as if with pitch.
用沥青涂，用沥青覆盖
Full of or covered with pitch.
沥青的、涂沥青的充满或铺着沥青的