巨量资产与巨大挑战

来源 :中国公路 | 被引量 : 0次 | 上传用户:yangmingli1213
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
截至“十三五”期末,全国公路网总里程已经突破510万公里,这是巨大的存量资产,也是巨大的挑战.rn当前,我国经济社会发展进入了新发展阶段,其特征就是高质量发展.公路行业的养护领域也是如此,高质量发展和高质量养护密切相关.可以说,没有高质量的养护,就没有公路行业的高质量发展;没有高质量的养护,巨大的存量资产可能成为巨大的包袱,而不是巨大的财富.
其他文献
Twelve ECC beams with three different fiber types,along with four normal concrete beams,were tested in this study to evaluate the influence of cross-sectional h
The distribution of organic compounds in stored lipids affects their migration,transformation,bioaccumulation,and toxicity in organisms.The storage lipid/water
The implementation of novel machine learning models can contribute remarkably to simulating the degradation of concrete due to environmental factors.This study
With the increasing demand and excessive use of fossil energy,energy shortage has become a problem in today's world[1-2].
期刊
High fluorescence quantum yield(QY),excellent fluorescence stability,and low toxicity are essential for a good cellular imaging fluorescent probe.Green-emissive carbon quantum dots(CQDs)with many advantages,such as unique fluorescence properties,anti-phot
Ensuring a safe foundation design in soft clay is always a challenging task to engineers.In the present study,the effectiveness of under-reamed piles in soft cl
Currently,the exploration of ultimate energy sources is a hot investigation area for researchers due to the swift diminution of fossil fuels and environmental p
期刊
Tricobalt tetroxide(Co3O4)is one of the promising anodes for lithium-ion batteries(LIBs)due to its high theoretical capacity.However,the poor electrical conduct
Seismic modeling of massive structures requires special caution,as wave propagation effects significantly affect the responses.This becomes more crucial when th
高质量发展是我国现阶段生态文明建设的核心要求,发挥生态文明建设标准体系的引领作用对于支撑高质量发展具有重要价值。本文梳理了生态文明高质量发展建设的战略需求、生态