1.
Model and Algorithm of Limited Investment for Existing Lines Reconstruction on Railway Network;
路网既有线改造有限投资模型及其算法
2.
Economic comparison and design optimization of aged bridge renovation schemes for existing track lines
既有线改造老龄桥方案的经济比选和优化设计
3.
Research on Settlement of Joint Section of Rebuilding of Existing Railway
既有线改造新旧路基结合部位的沉降规律研究
4.
Transformation of Existing Railway Bridge and Culvert Construction in Parallel Paragraph,Using the Technology of Protecting with Dug Pile
铁路既有线改造并行段桥涵施工采用挖孔桩防护的技术与应用
5.
On trans-sectional jointless track in upgrading construction for existing operating line
既有营业线上升级改造跨区间无缝线路施工
6.
Considerations about Technical Reform for the Operated Urban Rail Transit Lines
对城市轨道交通既有线技术改造的思考
7.
Urban passenger transport oriented upgrading of existing national railway lines
基于城市客运服务的既有铁路线路改造方案分析
8.
During the five years, the sector built 5,700 km of railways, 4,100 km of double-tracked lines and electrified 4,300 km of lines.
完成新线铺轨5700公里，增建复线铺轨4100公里，既有线电气化改造4300公里。
9.
Experience of the Concurrent Construction to the Feeder Cable Project and the Rail Lines Reconstruction in the Newly-built Second Line and Feeder Cable Modification Construction in the Existing Electrification Railway Lines
既有线电气化铁路增建二线改造接触网与线路并行施工的几点体会
10.
The Study on Integrated Energy Saving Alteration in Existing Residential Buildings of Shanghai;
上海地区既有住宅节能综合改造探讨
11.
Extant Residence Buildings of the Cold Area Energy-Conservation Transformation;
寒冷地区既有居住建筑节能改造研究
12.
Research on Economic Incentive Policy to Promote Energy-saving Reconstruction of Existing Buildings;
既有建筑节能改造经济激励政策研究
13.
Study on Economic Incentive for Improving Energy Efficiency of Existing Residential Buildings
既有居住建筑节能改造经济激励研究
14.
An Analysis of the Structure Reliability of the Energy-Saving Transformation of Existing Buildings
既有建筑物节能改造结构可靠度分析
15.
Research On the Key Reconstruct Technology about Building Energy Saving in the City Putting Forward Building
城市既有建筑节能改造关键技术研究
16.
The Analysis of Energy Saving Reforming about Existing Heating Residential Buildings
既有采暖居住建筑节能改造实例分析
17.
A DISCUSSION ON THE IDENTIFICATION OF THE STRUCTURE SAFETY FOR THE CURRENT BUILDINGS DURING THE ENERGY SAVING RECONSTRUCTION
既有建筑节能改造中结构安全性评定
18.
Study on Energy Efficiency Reconstruction Technology of Envelope in Existing Buildings
既有建筑围护结构节能改造技术研究