Research conclusions ： The railway pattern in Tangshan area is of the three longitude lines and six latitude lines arrangement. For the local passenger traffic, it needs two stations ： Tangshan Station as the main passenger station and Tangshan North Station as auxiliary passenger station. The outward passing line should be built for freight traffic to realize the pattern of outward for freight traffic and inward for passenger traffic. The extra capacity of exiting railroad should be used to run 8 pairs of suburb passenger trains. The Tianjin - Qinhuangdao Passenger Dedicated line， the Mengdong line for coal to sea and the line in the section between Tangshan North Station and Tangshan Station of Beijing-Qinhuangdao intercity railway will be built in the near future，and later on the entire line of Beijing-Qinhuangdao intercity railway and the intercity railway from Binhai Developing Area to Caofeidian will be built.

Research conclusions ： Initially the route shall be selected on the left and right bank of stream. The line route should move inward to keep away from the unfavorable geology if possible, and if impossible, the line route can pass the unfavorable geology with good geological survey and suitable engineering measures. In this case, the route shall be selected to pass the safe are of karst zone in accordance with the karat developing regularity and elevation of underground river.

Research conclusions ： Based on the detailed analysis on current situation, it is suggested to construct into Light Rail Transit (LRT) by modification and expansion of current railway resources, adding a flexible transit organization scheme, the utilization of existing railway in Sanya′s urban area is solved through technology methods. The results show that the LRT plan can not only fully utilize the existing railway resources，but also inaugurate a new tourism passage for the urban area and meet the commuting transit demands for the primary city and its supplement, by which this project can realize the object of maximizing the comprehensive transport capacity and environmental protection.

Research conclusions ： The vibration modes and periods are acquired in the modal analysis. The elastic seismic analysis includes response spectral analysis and linear time-history analysis. The piers are checked using the allowed stress method. In the elasto-plastic seismic analysis，M-фcurves of the specified sections of the piers are acquired and hysteresis response curves are calculated so that the seismic performances are obtained. Tlie result shows that the bridge can meet the requirements.

Research conclusions: This was the first time in China to horizontal swing the swivel structure with total weight of 5 237 tons by the semisPherical hing which made by concrete. Combining with the Specific case of works, the component of swivel structure, the static mechanics analysis, the dynamic control parameter and the security measures are demonstrated in the page in detail. It took about 9 hours to swing the stiff skeleton in place successful. The closure accuracy met the design request. Each control parameters of the structure conformed to the calculated result.In the construction of swing, it is necessary to monitor the stress and deformation of the swivel the structure. Using the tested data to modify the parameters of calculation model. a perfectmatch is achieved between theoretic calculated and the real situation of the bridge ,which can ensure the safe construction of the bridge.The practice results show that horizontal rotary erection method can settle the issues of bridge construction in mountain area effectively.

Research results:(1)It is preferable to adopt steel frames instead of lattice girders for large cross -section loess Tunnel;(2)The structure shall be closed to form a ring as soon as possible;(3)The deformation shell be effectively controlled during every excavation step as well as the supporting;(4)The fully- sealled waterproofing shall be adopted for the ground surface.

Research conclusions ： Especially to the 10 kV distribution system of high - speed railway, an RAMS evaluation model which is based on the failure mode and effect analysis ( FMEA) is built. With a self - developed software, RAMS of all kinds of 10 kV distribution system in high - speed railway is evaluated. And through the contrastive analysis, some conclusions are found out as follows. If the external power supply is reliable, all kinds of power supply mode of double-continuous power line and single-continuous power line with contact line as reservation source have a availability ratio more than 99.99%. Double - continuous power line with power cable and load looped network switch is the best mode, which has an availability ratio 99. 997%. All the power supply modes of single-continuous power line have an availability ratio less than 99. 99%. Above all, the power supply mode of double-continuous power line is a key step to get better RAMS indices．

Research conclusions ： The traction substation alternate phase，which is different phase alternating connect to the power system，is adopted at large in railway now. The terminal sign and connection of traction transformer with single - phase connection, single - phase V, v connection, three - phase V, v connection, three - phase YN, d11 connection, three 一 phase - two - phase balance connection and three - phase V, x connection have been discussed and summarized, and the phase alternating connection has been analysed and studied, and commended project about terminal sign and connection of transformer in PDL autotransformer feeding system has been proposed in this paper. Adopting this project can simplify the connection and avoid the cross connection of the high voltage side of the traction transformers, and can simplify the layout of the traction substation and investment is saved.

Research conclusions ： The results come from analysis of the establishment of communication model and fitting of measurement of the actual road data ： With the frequency increases，the distance increases，building density increases， the transmission losses will increase. From the computer fitting results, the number of fitting parameters is more, the effect is better，but the computer fitting time is longer. So in the design of wireless communications, it is better to get a good result on selecting the appropriate transmission model and choosing the appropriate numbers of fitting parameters. It also provides a basis for modeling and design of GSM-R.

Research conclusions ： According to the special requirements of qinghai - Tibet railway Line，after tests and researches， the integrated signaling system of computer, communication and net technologies is realized. The real information can be transferred bi - directionally between train and control center through GSM - R. Whether the track is occupied or not can be inspected by GPS and EOT equipments without track circuit equipments. With GPS difference orientation technology， the train location accuracy can be improved to satisfy the safety requirement of high - speed train and virtual blocking. The wayside signal and sectional track circuit are eliminated to realize station interlocking and sectional automatic blocking. With new traffic organization mode and equipment maintenance mode, the less maintenance is achieved. With RBWT virtual technology，the safety of the tested train and wayside equipments is guaranteed.

Research conclusions ： The paper introduces a video supervision and control system scheme of the marshalling yard with Xinfeng Zhen marshalling yard as an example. Through analysis and comparison，the technology of analogue acquisition plus digital processing can make good use of existing equipments and trunk transmission platform, and meet the requirements of the screen control and sharpness of the image in control center. The method adopts H. 264 encoding， with its high adaptability code stream of network，powerful error correcting capability，and can be more suitable for IP and wireless networking application. Meanwhile, lightning measures shall be adopted to ensure the operation of the system.

Research conclusions： As actualization of the CMSSIG in Guiyang South Railway marshalling yard, actualization of centralized dispatching, management and processing for inspection operation for goods in marshalling yard has come true. By means of creating new flowchart for goods inspection, dynamic tracing and monitoring from training accessing to train leaving is actualized. Scientific management and information management greatly provides a warranty for safety transportation of goods by railway. On the basis of practical application of the design of CMSSIG in Guiyang South marshalling yard, it is proven that the design and methodology of actualization is reasonable, and it is applicable for provision of CMSSIG in new marshalling yard or upgrading of existing marshalling yard.

Research conclusions ： The OPC technology is an efficient and unifiable interface technology. The application of OPC makes it possible to process the different part of data with a unifiable method in the upper of integrated management system. The appears of technology of OPC makes it possible to exoteric, seamless system link of building automation control subsystem, hosting the maneuverability of systems, reducing the investment of system and reducing the time of development.

Research conclusions ： Simulation analysis subway station on the air by subway station internal air environment simulation analysis software TSDI -SCFD1.0 is based on the CFD software. It can be able to realize the simulation analysis carrying out 3 - D on subway station internal air condition. It is successful to use CFD technology in the subway designs by research and development of TSDI - SCFD1.0. It is made up limitation and shortage that of the previous the subway software. The visible image and detailed analysis data can provide the basis for the subway environment designers.

Research conclusions ： According to the scheme of transportation organization of EEDLs, comparison analyzing the condition of the best and worst about the carrying capability and the in and out of times of the EMU，confirming the adaptability of EEDLs transportation ability and giving the measurement to improve the capacity of its. Analysis of it, we can see that four one-hour time period per day the capacity of two lines can not meet the transport needs. Therefore， we suggest that EEDL of Beijing multiple unit depot should be set up three lines and every line should be designed to double - direction fleeting operation.

Research conclusions ： The analysis of the relation between new technologies adopted in structure design and integrated station building design level of Tianjin railway station shows that innovation in structure design, including system, control standard, structure and construction method and so on, plays an important role in upgrading the level of integrated station buildings and this is the only way to meet the higher requirements of the society for new railway passenger station.

Research results: The high-speed railway station should be designed on the base of the specific circum stance when high-speed railway accessing into large cities: When high-speed railway accessing into the existing station, the integrated passenger station is needed; when the station before the existing station accessing into high-speed railway, only the existing station is needed; when the high-speed railway cannot been directly accessed into the existing station, the connecting line should be laid out into the existing station and the high-speed station should be parallel to the existing station; when the high-speed railway over passes the urban on the fringe of the city, high-speed railway station and existing station should be indifferent places; for the other cases, the high-speed station should be parallel to the existing station with contour form or over head form.

Research conclusions ： Using steel truss and tension bar truss is comparatively a good way to support the large space and big span curtain wall，and the application of Low-E glass on glass curtain wall is an effective way to reduce solar radiation. Light - volt power and dual - air circulation technologies are more and more adopted in design and construction of glass curtain wall for modem building.

Research conclusions ： The paper suggested that the equipment for jacking the train in fixed formation was the indispensable equipment in metro depot. And we should pay attention to the issues that refereed to the equipment for jacking the train in fixed formation in the process of the technical design in metro depot. When we chose the type of equipment for jacking the train in fixed formation, we should pay attention to the synchronization of operation of the equipment to ensure safe operation. When train was long, it could be divided into two units for maintenance operation to improve the safety coefficient of maintenance operation.

Research conclusions ：The scale effect can be obtained and the working and supervision patterns of competing, learning and supervising each other can be formed by adopting such supervision mode to give full play to the supervision for guaranteeing the construction quality. This supervision mode also can reduce the management difficulty and work strength of the builder, is helpful for deploying the supervision resources and improve the inner management level and competition capacity of supervision enterprise. The proposal is made that the united - supervision mode should be adopted in large bidding section of railway construction with two grade flat supervision and test system of establishing one supervision substation per 30km and one experimental lab per 60 km.

Research conclusions ： This paper proposes that supervision enterprises should properly implement the IS09001 quality assurance system and all staff members should deeply understand its theoretical basis - the connotation of the " 8 management principles" with self - consciousness enhanced in carrying out the international standards. It also sums up that the using of closed-cycle management type of PDCA enables supervision enterprises to intensify the control procedure instead of being formalistic. By taking seriously the evaluations on management, the supervision quality can be improved with economic benefit and public reputation upgraded as well.