Geological environment and main geological safety challenges in the northern segment of the southeast Xizang (Tibet) power transmission corridor [PDF]
Objective Southeast Xizang(Tibet) boasts a wealth of hydroelectric resources, attributed to its distinctive topography, geomorphology, and climatic conditions.
LI Xianxin +4 more
core +1 more source
Summary of Desert Photovoltaic Power Transmission Technology [PDF]
To achieve carbon peaking and carbon neutrality goals and improve energy efficiency, new energy plays a major role in China strategic deployment. However, as centralized photovoltaic is located in desert areas, photovoltaic power transmission has become ...
CHU Shuai +5 more
core +1 more source
, 2021 我国在电力行业的涉外工程日益增多,中外国际设计标准的比较是一个重要的课题。模拟等边角钢在输电塔中的轴心受压荷载状况,完成了66根典型截面的Q345等边角钢构件在轴压下的稳定性试验,主要研究了不同长细比、截面规格对其失效模式和稳定承载力的影响。采用ANSYS对试件建立模型进行有限元分析,考虑统一的初弯曲和简化残余应力分布。通过对比验证了模型有效性,并基于该模型进行了材料强度和角钢宽厚比的参数分析,获得了相关规律。将试验结果与中美相关设计规范进行对比,评估了规范间的差异并分析其原因 ...
刘洪义, 李正良, 黄祖林
core +1 more source
Design and Implementation of Real Three-Dimensional Urban Planning Support Platform [PDF]
, 2015 城市是人类活动最集中的场所，信息化已经成为城市发展与规划的主题， GIS是城市空间信息表达和管理的重要技术手段。近年来，基于GIS技术的各种 城市空间信息管理系统，如城市地下管线系统、土地利用管理信息系统等大多采 用二维平面的管理模式。城市规划涵盖内容广泛，包括城市居住区规划、城市中 心区规划、生态环境规划、历史文物保护规划、市政基础设施工程规划等。随着 现代城市从地面向地下空间、地上空间不断拓展延伸，多层次、立体模式管理逐 渐成为城市规划管理的发展趋势。 本文在对城市规划业务进行充分的考察和了解后 ...
张乐龙
core
Computational model of safe distance between HVAC transmission line and parallel buried pipeline [PDF]
Objective The vigorous development of China's economy has stimulated the development of public energy corridors. Owing to the similar preference in choosing sites for overhead power lines and oil-gas pipelines, these two kinds of corridors frequently ...
Aiwu LIANG +3 more
core +1 more source
Dianci bileiqi, 2020 为研究高压架空线路发生单相接地故障对附近输油输气管道的电磁影响,以220 kV同塔双回架空线路与输油输气管道并列运行为背景,利用电磁暂态仿真软件ATP建立同塔双回输电线路及油气管道等效时域模型,分析了故障点位置、并列运行部分杆塔接地电阻大小、导线高度,管道与杆塔中心线水平间距、管径大小等因素对高压输电线路附近油气管道电磁感应电压的影响。结果表明:油气管道的电磁感应电压受接地点故障位置、杆塔接地电阻以及管道距杆塔中心线水平间距的影响较大;导线高度、管径大小等因素对管道上产生的电磁感应电压影响不明显 ...
黄军 +6 more
doaj
Numerical Simulation Study on Effect of Deflectors on Aerodynamic Characteristics of Horizontal Axis Wind Turbines [PDF]
ObjectivesDeflectors can modify flow distribution within wind farms, and their integration into existing wind farms is an effective method for improving wind energy capture by wind turbines.
CHEN Zhe +7 more
core +1 more source
On the Management of Project Progress Payments of Large State-Owned Constructional Enterprises [PDF]
, 2006 大型国有建筑安装企业在国家的经济建设中起着举足轻重的作用，但多年来，特别是中国步入市场经济以来，应收账款回收不力，一直是困扰大型国有建筑安装企业的一大难题，它使得企业的资金无法正常流转，并进而带来一系列严重后果：企业生命力下降、职工下岗失业、国家和社会负担加重等等。建安企业的经营特点，决定了工程应收款在企业应收账款中占有绝对比重：重视工程应收款的管理，就是抓住了建安企业应收账款管理的关键。笔者在本文中，以中国第十七冶金建设公司（十七冶）为例，结合该企业的实际情况 ...
陈继东
core
Analysis on factors controlling shallow failures of the cut slopes and its prevention by bio-engineering measures: A case study of the cut slopes along the highway from Shuangcheng to Dajiali [PDF]
Understanding the primary and secondary relations of influencing factors is crucial for predicting deformation and controlling collapse in cutting slopes. Using a cutting slope along the Shuangcheng to Dalijia expressway in Gansu Province as the research
Changgen YAN +4 more
core +1 more source
Erosion fluidization mechanism of landslide debris flow based on solid-liquid coupling [PDF]
During power transmission, dry landslide debris flow usually causes severe dynamic erosion when interacting with loose, water-bearing basement materials on slopes or within channels. This interaction leads to a significant increase in the scale of debris
Jianfeng TANG +6 more
core +1 more source