Experiment study on the modulus of hard asphalt stabilized macadam
硬质沥青稳定碎石模量试验研究
Hard asphalt A-30 is a kind of high viscosity base asphalt which characterized by low penetration,high viscosity,high stiffness,high soft point,and low ductility,it has satisfactory high- temperature stability,better temperature susceptibility,only unsatisfactory low-temperature perfor- mance.
A-30硬质沥青是指粘稠度相对较大的基质沥青,具有针入度小、粘稠度大、劲度大、软化点高、延度小的特点,其高温性能优良,温度敏感性好,低温性能略差。
Combined with the key technical study project of the long service life asphalt pavement of the heavy-load traffic by the Ministry of Communication and in the light of the fatigue performance of hard asphalt concrete,the article introduces the relative experiments and carries out the relative analysis to provide the referring suggestion for the anti-fatigue study of half-rigidity pavement.
该文结合交通部重载交通长寿命沥青路面关键技术研究项目,针对硬质沥青混凝土的疲劳性能,作了相关的试验与分析,为半刚性路面的抗疲劳研究提出了参考性建议。
Synthetic ammonia plant uses hard bitumen as feedstock,with Texaco gasification process,CO sulfur tolerant shift catalyst,Linde low temperature methanol washing and low temperature liquidized nitrogen purification as well as Topse ammonia synthesis process Urea plant takes the Italian Snam ammonia steam stripping proces
合成氨以硬质沥青为原料 ,采用德士古气化、耐硫催化剂CO变换、林德低温甲醇洗和低温注氮洗净化及托普索氨合成工艺 ,尿素采用意大利斯那姆氨汽提流
Hard bitumen has a low penenration and has better high temperature performance than soft bitumen.
硬质沥青针入度低,高温性能相对于高标号沥青更为优越,在德国、日本等大跨径钢桥面浇注式沥青混凝土铺装中应用较为广泛,取得了良好的使用效果。
Since the commissioning of the production line for hard pitch at AISCChemical General Works in Apr.
鞍钢化工总厂硬质沥青生产线自1983年4月建成投产以来，已向国际市场提供了近30万t产品，取得了可观的经济效益。
To discuss the applicability of domestic hard bitumen in bridge deck gussasphalt paving, the types of overseas common hard bitumen were analyzed, domestic hard bitumen, PmB45 made in laboratory and PmB25 made in Germany were selected, by means of indentation test, wheel track test, bending beam test and fatigue test, the performances of the gussasphalts made with the hard bitumens were evaluated.
为探讨国产硬质沥青在桥面铺装浇注式沥青混凝土中的适用性,参考国外常用的硬质沥青类型,优选国产直馏硬质沥青、实验室自行研制的PmB45沥青以及德国进口的PmB25沥青,通过贯入度试验、高温车辙试验、低温弯曲试验以及疲劳试验,系统评价了硬质沥青浇注式沥青混凝土的性能。
Study of hard-grade asphalt mixes performance
硬质沥青用于沥青混凝土的性能研究
Test Study of the 30～# Hard Grade Asphalt Used for Mid or Lower Surface Layer of Asphalt Pavement;
30～#硬质沥青用于沥青路面中下面层的试验研究
High Temperature Performance of Domestic Hard Asphalt and Asphalt Mix
国产硬质沥青及混合料高温性能研究
The Application Research of Native Hard Bitumen in Gussasphalt;
国产硬质沥青在浇注式沥青混凝土中的应用研究
Pavement Performance Study on the Hard Asphalt and Its Mixture
硬质沥青及其混合料路用性能的试验研究
Performance evaluation and engineering application of Zhonghai A-50 hard asphalt
中海50号硬质沥青性能评价与工程应用
The Experimental Study on the Performance of Hard Asphalt and Asphalt Mixture;
硬沥青及硬沥青混合料性能试验研究
native asphaltic pyrobitume
天然地沥青质焦沥青
PERFORMANCE EVALUATION OF 30~# AND 50~# HARD PAVING ASPHALTS PRODUCED FROM KARAMAY CRUDE OIL
克拉玛依30号、50号硬质道路沥青的性能评价
Study on the engineering application of asphalt rigid polyurethane foam plastics
沥青聚氨酯硬质泡沫塑料工程应用探讨
lignite - tar pitch
褐煤柏油脂, 褐煤硬沥青
A bituminous material, such as asphalt, used to pave roads.
沥青，柏油一种含沥青物质，如沥青，用于铺路
Resembling pitch in consistency.
有沥青性质的在结构、形式上象沥青的
AGEING STUDY OF COAL TAR PITCH MODIFIED BY RUBBER FOR PAVEMENT CHANGES OF ASPHALTENE STRUCTURE AND FUNCTIONAL GROUP
煤沥青橡胶改质道路沥青老化研究──沥青质结构与官能团变化
Centre for Heavy Crude and Tar Sands
重质原油和沥青砂中心
surfaced with a bituminous material.
用含沥青的物质铺装的。
3 Bituminous crude oil: Refers to crude oil extracted from bituminous minerals.
三沥青矿原油：指自沥青质矿物提出之原油。
Predict low-temperature properties of asphalt from the relationship between density and temperature
从沥青的温度与密度关系预测沥青的低温性质