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2003 Vol. 20, No. 1
Published: 2003-01-15
1
PRACTICE AND DEVELOPMENT OF A “FULL-SCIENCE-TECHNOLOGY” PATTERN IN CHINA RAILWAY ENGINEERING GENERAL CORPORATION
QIN Jia-ming
Accurate orientations are put forward concerned with the connotation, definition, essential factors, principles and examination standards of the “full-science-ecchnology” pattern. The practices and the development of the "full-science-ecchnology" pattern in the China Railway Engineering General Corporation in the resent 6 years arc analyzed deeply in this paper. Based on these aspects, the developing essentials and the key works of the "full-science-ecchnologv" pattern in the advanced period are further proposed.
2003 Vol. 20 (1): 1-8 [
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9
THINKING ABOUT ITEM MANAGEMENT FOR NATIONAL LARGE-SCALE CONSTRUCTION ENTERPRISES
MENG Feng-zhao
Based on the review on the item management works of China Railway Engineering General Corporation, the situations of item management faced on by the national large-scale architectural enterproses are analyzed deeply in this paper. The countermeasures are proposed for enhancing and improving the item management works in certain period hereafter.
2003 Vol. 20 (1): 9-12 [
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2518
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13
STRENGTHENING MANAGEMENT OF LABOR STANDARDS AND INCREASING ECONOMIC BENEFITS OF ENTERPRISES
WU Ze-lin
The China Railway Engineering General Corporation was separated from the Ministry of Railways in 2001, and managed by the National Enterprises Working Committee. The National Ministry of Labors & Social Insurance and the National Standardization Committee authorized the Corporation to be responsible for working out the professional standards of labor quota and fixed number of labors for China railway engineering projects and their management. The establishment of the "Technical Committee for Standardization of China Railway Engineering Labor Quota and Fixed Number of Labors” and the “Secretariat of the Technical Committee for Standardization of China Railway Engineering Labor Quota and Fixed Number of Labors” have been approved formally. The national standardization management department has entrusted to the Corporation for working out professional standards of China railway engineering labor quota and with management functions. Thus, the decisive role of these professional standards may be brought into full play in the withdrawn standard from the manpower cost of engineering summary estimate and budget. It may lay a foundation for raising perfectly the ability of enterprise to participate the competition of market in home and abroad and for increasing the economic benefits.
2003 Vol. 20 (1): 13-15 [
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16
MANAGEMENT ON ESTABLISHING EXCELLENT PROJECT FOR ARCHITECTURAL CONSTRUCTION ENTERPRISES
LI Hai-ming
Management on establishing excellent project is a kind of systems engineering. The paper introduces the kinds of excellent projects, their characteristics and developing processes. Rather overall summaries and descriptions concerned with general procedures and working methods of establishing excellent project for architectural construction enterprises arc put forward, emphasized on the important role of the planning for establishing excellent project during the management for establishing excellent project. At the same time, the opinions and suggestions arc proposed according to the problems existing in the current works for establishing excellent project. It is aimed at to assist the architectural construction enterprises for establishing excellent project effectively and raising the level of engineering quality commonly, so as to attain the purposes of creating famous brand, establishing credit, occupying market and increasing benefits.
2003 Vol. 20 (1): 16-21 [
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2505
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22
IMPROVING RELIABILIY OF RAILWAY INFRASTRUCTURE, ENSURING SAFETY FOR RAILWAY TRANSPORT
LI Min
The paper gives a brief introduction for the background of the RAIL project which was approved by the EU in 1999 and the 50% of whose total value was funded by the EU. The paper discusses the safety and reliability, the RCM and its practical use, railway infrastructure, risk, etc., and expounds the importance of ensuring rail safety by improving the reliability of railway infrastructure machines.
2003 Vol. 20 (1): 22-28 [
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2452
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29
CALLING FOR TENDERS AND BIDDING FOR RAILWAY ENGINEERING PROJECT AND ITS INVESTMENT CONTROL
ZHANG Pei
The investment control is an important index to examine the implementation of an engineering project. A lot of engineering practices prove that the suitable mode of calling for tenders and bidding for project may control investment effectively. The implementation of railway engineering project arc usually organized through calling for tenders and bidding for project during its design and construction stages. Based on calling for tenders and bidding for project in design and construction stages, the paper puts forward the analyses and proposes the means to resolve the investment control.
2003 Vol. 20 (1): 29-31 [
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32
APPLICATION OF REMOTE SENSING GEOLOGICAL INVESTIGATION ON THE CONSTRUCTION OF NAN-KUN RAILWAY
ZHUO Bao-xi
This paper outlines the process and efficiency of applying remote sensing technique in the geological survey during construction of Vanning-Kunming Railway. Because the remote sensing was only used in the surveying period in the past time, this practice is the first time for applying remote sensing during construction, and therefore is a break-through of the usage of remote sensing. The paper describes firstly the geomorphology and the sketch of geology along the railway. According to the requirements of the construction authority, the interpretation of fault-related structures was carried on the whole railway by using the Landsat TM images. White-black images were used for the geological interpretation of main tunnels, karst areas and the locality of Badu Bridge. Aerial photos taken in different times were applied to dynamic analysis of mud-rock flow valleys in the Duanjia River drainage area. The paper also lists the comparisons between the suggestions of remote sensing interpretation and the testifying results of construction in some segments of the railway. It can be seen from the list that most results of the remote sensing interpretation are correct. Finally, this paper deduces some conclusions and puts forward that it is beneficial to apply objectively and considerately the remote sensing technique in the construction. Meanwhile, the paper points out that the application of remote sensing technique does not mean may be applied anywhere.
2003 Vol. 20 (1): 32-37 [
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38
APPLICATION OF REMOTE SENSING IN FEASIBILITY STUDY OF SECTIONS INSIDE OF TERRITORY OF CHINA FOR NEWLY-BUILT CHINA-KYRGYZSTAN-UZBEKISTAN INTERNATIONAL RAILWAY
JIN Jian-rong, WEI Guo-an
In the stage of feasibility study, the decisions and evaluations arc put forward for complex geologic regions by adopting the MT satellite images. It is a kind of effective method. In this paper, the decisions are put forward upon the structural elements, rock fades of stratum and the unfavorable geology for the working regions. And according to the image characteristic, the qualitative evaluations arc put forward concerned with the engineering geologic conditions and the regional stability.
2003 Vol. 20 (1): 38-42 [
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2539
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43
DEVELOPMENT ORIENTATION OF URBAN TRANSIT IN CHINA
WANG Meng-shu
The urban rail transit is the important means to solve the current urban traffic jam. The development of private and public cars should be restricted, whose serious consequences should be taken into special attention. The difficult problem of current urban traffic jam cannot be resolved by using the intelligent traffic. Therefore, the urban subway and the urban light rail should be developed vigorously. The conceptions should be confirmed during the development, and the orders of "safety, reliable, applicable, economy and advance" should be treated correctly.
2003 Vol. 20 (1): 43-47 [
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2518
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48
METHOD OF STABILITY ANALYSIS ON SURROUNDING ROCKS OF UNDERGROUND WORKS: PROBLEMS AND CONSIDERATIONS
GAN Kun-rong
By reviewing the history of the stability analysis on surrounding rock of underground works and analyzing the problems of the construction practices, the author states that, instead of fuzzy and accurate calculations, an objective and overall manner should be taken for the analysis on the surrounding rocks of underground works, and promotes new research concepts and methods.
2003 Vol. 20 (1): 48-52 [
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53
DRILLING OCCLUSIVE PILES-NEW STYLE OF METRO PROTECTING STRUCTURE
WANG An-long
The drilling occlusive piles were used as protecting structure in the cut and cover tunnelling section of Exhibition Center Station-Purchase Park Station district for the first-stage engineering project of Shenzhen Metro. Following aspects concerned with the drilling occlusive piles are described in detail in this paper, such as the comparison and selection for its construction schemes, the procedure of the construction works, the key technologies in its construction, conditions for its application, the economic and environmental effects, etc.
2003 Vol. 20 (1): 53-59 [
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60
EXPLORATION ON SEVERAL PROBLEMS FOR JING-HU HIGH SPEED RAILWAY
CHEN Ying-xian
Combined with the situations of construction of high speed railways in Japan, the paper analyzes the era's background of construction of Jing-Hu high speed railway in China. The standards for construction of Jing-Hu high speed railway arc proposed, and the transportation organization mode for Jing-Hu high speed railway has been expounded further and explored.
2003 Vol. 20 (1): 60-64 [
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65
SEVERAL TECHNICAL PROBLEMS WHICH SHOULD BE RESEARCHED DEEPLY CONCERNED WITH WHEEL/RAIL SYSTEM OF HIGH SPEED RAILWAYS IN CHINA
QU Xiao-hui
The technology of wheel /rail system for high speed railways is a key to guarantee high speed running safety of trains. The influence factors for technical condition of wheel/rail system are: highest running speed, transportation organization, locomotives and cars, track structure, etc. These main problems should be researched deeply. Combined with the situations of high speed railways in Japan, Germany, etc., the paper proposes the problems existing in the design and operation works, provided as reference to set new tasks for the research.
2003 Vol. 20 (1): 65-68 [
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2508
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69
STABILITY & DYNAMIC RESPONSE OF ISOLATION BUILDINGS
PEI Ruo-juan, WANG Yan-fen, YIN Tao
With dead load and live load, one isolator was supposed to be one beam element, its material constants were estimated, it was produced that the structure stability of the building with isolation mounting was more descent than the building without isolation mounting by calculation with finite clement method.
2003 Vol. 20 (1): 69-74 [
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75
STUDY ON CALCULATION METHOD ON INCLINED SECTION CRACK-PROOF PERFORMANCE AND SHEAR STRENGTH OF ECCENTRIC TENSIONED MEMBERS OF PRESTRESSED CONCRETE
Hu Ming, Zhang Kai-jing
Based on the testing of four members, calculation method of inclined section crack-proof performance and shear strength is studied in this paper, and calculation formulas and parameters are put forward. The conclusions can be used for structure design and code as reference.
2003 Vol. 20 (1): 75-77 [
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78
A BRIEF STUDY OF THE AESTHETIC QUALITY OF BRIDGE
WANG Wen-bing, et al
We usually only think of the engineering quality of bridge as mentioning the quality of bridge. In fact, the quality of bridge includes two respects: the engineering quality and the aesthetic quality. The engineering quality is the everlasting basis of the aesthetic quality; the aesthetic quality is the transcending of its engineering quality. The aesthetic quality of bridge, in fact, is the result of judging of bridge from aesthetic opinion. It embodies many respects. It is not only built, but also given. Let bridge transcends the material limitation, gains the beauty of life and beautiful life, let above idea is becoming the inner ruler of the design and building of bridge. This is just the goal of the study of the aesthetic quality of bridge.
2003 Vol. 20 (1): 78-80 [
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81
CONSTRUCTION OF LARGE SPAN INTERMEDIATE BEARING REINFORCED CONCRETE ARCH BRIDGE
DAI Wei
Method and technique of segmental prefabrication, transfer gantry hoisting, splicing on arch timbering in construction of Xinvang Shihe River Bridge are introduced.
2003 Vol. 20 (1): 81-84 [
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85
CONTROL OF AIR FLOW PASSING THROUGH CROSS TUNNELS FOR JET VENTILATION IN TUNNEL CONSTRUCTION
YANG Li-xin
This paper provides a detailed description of methods on control of air flow passing through cross tunnels and the calculation of air volume rate of jet ventilation in tunnel construction. With ventilation case, this paper also makes analysis and comparison on the energy consumption rate of different methods, by which a most economical method is selected.
2003 Vol. 20 (1): 85-89 [
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2456
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90
MODEL OF A CONSTRUCTION SET OF MACHINERY DURING RAPID CONSTRUCTION OF PARALLEL GUIDING ADIT AT EAST QINLING TUNNEL
LIU Jin-liang, ZHAO Geng-qi, WANG Min
The paper introduces the model of a complete set of machinery adopted during rapid construction of parallel guiding adit at Fast Qinling Tunnel, as well as the good effects obtained by using this machinery. Explorations arc put forward concerned with the model of a complete set of machinery for construction of major long tunnels. It provides experience and reference for the similar engineering projects.
2003 Vol. 20 (1): 90-93 [
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94
HOW TO CALCULATE RADIUS OF PLASTIC REGION BY APPLYING AND REFORMING KASTNER FORMULA THROUGH PRACTICE OF JIAZHUQING TUNNEL
FU Hua-xing
The paper describes the evaluation method for the radius of plastic region by numerical solving through Kastner formula instead of evaluation by discount. It is required that not only the radius of excavation circle, i. e. the shape coefficient formed according to different excavation area should be adopted properly, but also the man-made resistance of support during excavation should be taken into account specially. These two aspects are valuable experiences summarized from construction practice of Jiazhuqing Tunnel.
2003 Vol. 20 (1): 94-95 [
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2543
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96
HIGH-SPEED TRAIN MODEL EXPERIMENT SYSTEM AND MEASUREMENT RESULT ANALYSIS
WANG Ying-xue, CAO Bo, LI Lun-gui
When high-speed train entering and exiting from tunnel a series of aerodynamics effect was created, model experiment is efficient methods to research these problems. On analyzing all the model experiment methods in the world, a set of high-speed train model experiment system was built by Southwest Jiaotong University. In this paper, the experiment system was introduced thoroughly. The measurement results were analyzed and some principles on pressure wave creation and transportation were drawn out.
2003 Vol. 20 (1): 96-100 [
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2539
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101
RIVER TALIKS ALONG QING-ZANG RAILWAY
JU Xiao-qiang
This article introduced the characteristics of river taliks distributed in sources of each branch of Yangtze River along Qing-Zang railway. It summarized the distribution law of river taliks, and analyzed the main factors affecting its formation, development and distribution.
2003 Vol. 20 (1): 101-103 [
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104
EXPLORATION ON FORMATION AND EVOLUTION OF XINYUBA ANCIENT SCATTERED EARTH-BODY
YANG Nan-hui
The paper expounds the basic characteristics of the Xinyuba ancient scattered earth-body in Yangpingguan-Ankang Railway Line. It explores also the evolution procedure of its deformation and the formation mechanism of this scattered earth-body. Based on these conceptions, the methods and suggestions are proposed for works at the similar regions.
2003 Vol. 20 (1): 104-107 [
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108
THE CONSTRUCTION CHARACTERISTICS AND BUILDING REALIZING OF THE SOFT SOIL ROADBED IN EASTERN REGION OF QINHUANGDAO-SHENYANG PASSENGER TRANSPORTATION SPECIAL LINE
CHEN Ke-wang
This text with A14-mark in the Qinhuangdao-Shenyang passenger transportation special line introduced the construction characteristics and the building realizing of the sofe soil roadbed in eastern region for example, and summarized the building craft of the key-proceeds in handling the soft-bed, filling the surface layer of roadbed, constructing of transition segment and so on, particularly studied the characteristics of the settlement measurement and the function of the constructing control in sofe soil roadbed.
2003 Vol. 20 (1): 108-116 [
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117
A NEW WAY TO CALCULATE MODULUS OF COMPRESSIBILITY OF COMPOSITE FOUNDATION
ZHENG Jun-jie, OU Jian-hua, YUAN Nei-zhen, FANG Qing-han
The analytical solutions of composite modulus in both elastic and plastic conditions are deduced by applying parametric variational principle. The results show that the solution in elastic condition agrees with that calculated by conventional square-weighted average method, while the solution in plastic condition is related to factors including load and the ratio of soil stiffness in elastic condition to that in plastic condition. The solution provides a new way to calculate modulus of compressibility of composite foundation and is beneficial to engineers.
2003 Vol. 20 (1): 117-119 [
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120
PRELIMINARY TALKING ABOUT CONTROL CRACKS ON BIG-VOLUME CONCRETE FOUNDATIONS
DENG Hong-quan
For control effectively the cracks on concrete and raising the anti-seepage and anti-crack properties of the concrete, that is a key problem which should be solved for big-volume concrete foundations. The paper introduces the measures and methods for control the cracks appeared and developed on big-volume concrete from three aspects as follows: design, selection of row materials and construction technologies.
2003 Vol. 20 (1): 120-121 [
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122
PONDERING AND EXPLORING ON DEVELOPING THE OCS OF HIGH-SPEED ELECTRIFICATION RAILWAY
LIU Guo-fu
With the rapid development of our country's economy, this article will discuss the styles of catenary suspension in the different stages on the bases of today's situation. On the other side, we will discuss the way of power supply and the style of catenary suspension on the bases of developed conditions. Even, we will discuss how to establish a system of high-speed OCS construction.
2003 Vol. 20 (1): 122-125 [
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126
PRELIMINARY TALKING ABOUT STABILITY OF FLEXIBLE CATENARY SPAN
FENG Hai-jian
Under ordinary situations, the flexible span of catenary may be applied on electrified district with train running speed no more than 160 km/h. Combined with the structural characteristics of Re100c type flexible catenary span used on Guangzhou-Shenzhen Railway Line and Harbin-Dalian Railway Line, the author proposes his several opinions concerned with the problems which influence the stability of the flexible span. Several countermeasures for solving these problems arc proposed also.
2003 Vol. 20 (1): 126-128 [
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129
EXPLORATION ON ALLOCATION OF CONSTRUCTION MACHINERY FOR DRILLING AND BLASTING OPERATION OF RAILWAY EXTRA-LONG SINGLE-TRACKED TUNNELS
LIU Yuan-zhong, FANG Jun-bo
Yuanliangshan Tunnel is the longest single-tracked tunnel during construction of Yu-Huai Railway. The allocation of its construction machinery is introduced in this paper. It is expounded that by adopting the traditional construction methods (such as full face tunnelling method or lower guide-adit method) and allocating national-made machinery may obtain also stable and high-efficient rapid tunnelling speed for construction of railway extra-long single-tracked tunnels. Therefore, the good allocation of construction machinery is the key for guarantee rapid tunnelling of extra-long tunnels. At the same time, several suggestions are proposed for allocation of construction machinery for extra-long single-tracked tunnels in China in the future.
2003 Vol. 20 (1): 129-132 [
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133
STUDY ON RAILWAY CONTAINER FREIGHT STATION'S HANDLING THCHNOLOGY & CHOICE OF EQUIPMENTS
MO Jun
According to the factors of the railway container freight station's volume of traffic, container yard layout and handling machineries, etc., the front handling mobile crane and the rail mounted gantry crane handling technology arc usually used in railway container freight stations. The comparison of technical and economic reasonableness between the two handling technology show that the rail mounted gantry crane handling technology system is suited to be used in large, medium railway container freight stations and the front handling mobile crane technology to be used in some miniature stations.
2003 Vol. 20 (1): 133-135 [
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136
CONTROLLING CONCRETE TEMPERATURE IN PERENNIAL FROZEN EARTH AREA DURING CONSTRUCTING QING-ZANG RAILWAY
CHEN Peng, YU Mu-xian
Considering the bad natural condition of Qinghai-Tibet Plateau and the special engineering character of perennial frozen earth, the author carried out some research on getting temperature index, laws during concrete construction through calorific calculating, which will guide the concrete construction in perennial frozen earth area of Qinghai-Tibet Plateau and other chilly area as well.
2003 Vol. 20 (1): 136-140 [
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STUDY AND EXPLORATION ON GRADING CRUSHED STONE FOR DEDICATED QIN-SHEN PASSENGER TRAFFIC RAILWAY LINE
ZHANG Jian-bang, LI Xiao-feng, BAI Yang-jun
The paper expounds the conception concerned with the "grading crushed stone” used for the first time in the railway. The research achievements of design, construction and other aspects for the "grading crushed stone" used in dedicated Qin-Shen passenger traffic railway line arc summarized in this paper.
2003 Vol. 20 (1): 141-144 [
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145
CONSTRUCTION METHOD OF BORED CONCRETING PILE NEARBY EXISTING RAILWAY LINE
RAO Ming-gui
Zhoujiacun extra-major bridge was constructed nearby existing Zhe-Gan railway line with Vo.26 & No.27 bridge piers across the No.Ⅱ line of Zhe-Gan Railway. Combined with the geologic conditions of that district and based on calculations of the loaded pressures, the methods for constructing bored concreting piles nearby existing railway line arc proposed. It is useful as reference for the similar engineering projects.
2003 Vol. 20 (1): 145-149 [
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