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1995 Vol. 12, No. 3
Published: 1995-03-15
1
PREFACE TO THE HISTORY OF CHINA RAILWAY SURVEY
Sun Yongfu
The preface to the History of China Railway Survey is written by Mr. Sun Yongfu, the deputy minister of the MOR. Based on the History of China Railway Survey，this preface gives the brilliant conclusions on the historical career and the outstanding achievements of the sur?veying works during our railway developments in the past 100 years. The meanings and the spe?cialities of editing the History of China Railway Survey are also briefly pointed out. It is very im?portant that in the preface there are five suggestions for doing well railway surveying works un?der the new circumstances of the national reformations and the railway constructions. These sug-gestions have the essential guilding significance.
1995 Vol. 12 (3): 1-3 [
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2458
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4
DEVELOPMENT AND APPLICATIONS OF GPS TECHNIQUE
Chen Shaoguang
The GPS (Global Positioning Systems technique is a new technique applied for engineering survey.The production, development and applications of the GPS technique are described in this paper. The prospects of its applications in the railway aerial survey are also discussed.
1995 Vol. 12 (3): 4-12 [
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2988
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13
DISCUSSION ON APPLICATIONS OF GPS IN RAILWAY SUR-VEY
Lu Boxiang
Combined with the research work of MOR’s scientific research projects，the author explores the basic principles and the methods of the GPS technique. Useful conceptions of its ap?plications on railway control survey and altinit t survey are proposed.
1995 Vol. 12 (3): 13-18 [
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2462
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19
SCIENCE ON SOUTH-NORTH PASSAGE AT WEST AREA
Li henian
This paper describes necessity that quicken construct new south-north passage of west area，expounds and proves importance of Xi^an-Ankang railway in network，and suggests the- idea that influence of construction on transport capacity under circumstances of building second line nearby electrified railway in mountain area must be considered as well as conditions of in?crease second line and extand capacity during design new single track main railway should be considered too. Its viewpoint contributes valuable suggestions for making policy and designing.
1995 Vol. 12 (3): 19-21 [
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2471
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22
RESEARCH ON PLANNING OF RAILWAY NETWORKS IN WEST CHINA
Duan Liao
The paper discusses the problems concerned with the planning of railway networks in the west regions of our country. The corresponding principles and methods and the suggestions of the practical plannings are proposed.
1995 Vol. 12 (3): 22-28 [
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2456
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29
PROBLEMS CONCERNED WITH CONSTRUCTION OF RAIL WAYS TOWARDS XIZANG (TIBEL)
Li Shixun
Considered from aspects of politics, economy, national defence，etc，the paper ex?pounds the important meanings of that the second stage of the Qing-Zang Railway construction from Ge'ermu to Lhasa must be accomplished. In this paper, the possible directions of construct?ing railways towards Xizang (Tibel) are described in detail, and the opportune moment of con?structing these railways are suggested.
1995 Vol. 12 (3): 29-35 [
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2540
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36
ROUTE SELECTION PROBLEMS BASED ON TIANSHUI- LANZHOU RAILWAY
Ni Ping
The Tianshui-Lanzhou Section of the I^onghai Railway Line has a total length cf 344km. During the construction and the technical reconstruction of this section there were many schemes and problems concerned with the route selection in its mountain region. This paper con?tributes the valuable experiences about the route selections in the mountain regions.
1995 Vol. 12 (3): 36-39 [
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2435
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40
RECOMMENDATION 〇F NORWAY TUNNEL CONSTRUCTION METHOD NTM
Shen Huimin
The paper introduces the specialities of the Norway Tunnel Construction Method NTM (being called the Norway Method for short)which is a tunnel engineering technology pre?vailed at the same time with NATM in Europe. The applications of the Norway Method in other countries are also introduced. The possibility of pursuing the Norway Method in our country has been analyzed,and the practical significance of this method has been further explained.
1995 Vol. 12 (3): 40-48 [
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2516
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49
DISCUSSION ON CONSTRUCTING MUDSTONE TUNNEL BY APPLYING NATM
Ren Lin
The paper discusses the problems concerned with the construction of mudstone tunnels by applying NATM. The schemes of construction and water treatment and the engineering pro?cedures are suggested. It is recognized that the key points for guiding the engineering works are： strengthening the supervision of the measurement of the surrounding rocks and controlling the straining manner of the surrounding rocks.
1995 Vol. 12 (3): 49-52 [
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2477
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53
STUDY ON WATER LEAKAGE AND HYDRAULIC JUMP VALUE IN TUNNEL
Zhu Dali Li Qiufeng
Hydraulic jump value existing in tunnel is a factor causing water leakage in the tunnel, The hydraulic jump value is generally bigger than the height of the tunnel，therefore the underground water cannot be lowered below the top of the tunnel. In this paper，based on the engineering examples，several methods for calculating the hydraulic jump values have been introduced.
1995 Vol. 12 (3): 53-55 [
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2435
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56
MANUFACTURE AND SUPERVISION OF STEEL GIRDERS OF THE JIUJANG CHANGJIANG-BRIDGE
Song Chengxiang
The paper expounds the problems concerned with the manufacture and the super?vision of the steel girders of the Jiujiang Changjiang-bridge，In this great bridge,new materi?als?new technology and new structure of bridge style are comprehensively applied. With big difficulties and newly developed techonolgy，the manufacture and building of this bridge indi?cates that the technique of building bridges of our country has stepped on a new stage. The practical procedure and the experiences of this engineering project are systematically and thoroughly Summarized in this paper.
1995 Vol. 12 (3): 56-74 [
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2481
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75
SYNTHETIS ANALYSES ON STABILITY OF RIVER'S BANK SLOPES AND DISPOSI?TION OF BRIDGE FOUNDATIONS FOR BEIPANJIANG RAILWAY BRIDGE
Jiang Jueguang Xie Qiang Wu Guang
The methods and technique applied in this paper are practical investigation, finite element analysis, separated element simulation, foundation friction test，quantitative analysis and theoritical calculations, etc. For analyzing the characteristics of the river valley where the Beipanjiang Railway Bridge is situated, the authors propose a method of synthetic analy?ses. The synthetic analyses consist of the analysis of engineering geological conditions of the river bank slopes,the possible mode of strain failure of slope rock mass，the developing regu?larity of strian，the displacement and stress conditions of slope rock mass，the general stabili?ty of bank slopes ,the stable slope angle of bank slopes，the disposition of bridge pier founda?tions and its corresponding safety coetticients. The results of the synthetic analyses are also described in this paper.
1995 Vol. 12 (3): 75-81 [
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2502
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82
ANALYSES ON PRESENT SITUATIONS OF RALLWAY SYN?THETIC GEOLOGICAL PROSPECTING AND SUGGESTIONS ON ITS COUNTERMESURES
Cai Shouzhang
The paper gives a general description on the implications of synthetic prospecting. The present situationg on the development of synthetic geological prospecting in railway sys?tem and its existing problems are preliminaryly analyzed. The following four aspects are aimed to be analyzed and the preliminary countermeasures and suggestions are proposed：the important features of synthetic prospecting and the conditions of its applications ,the optimal organizations and the procedure of prospecting，the synthetic analyses and applications of the prospecting data,and the made and system of organizations of the synthetic prospecting. They may be used as reference for developing the synthetic prospecting and for applications of symthetic analyses.
1995 Vol. 12 (3): 82-86 [
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3068
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87
RELATION BETWEEN NATURAL WATEY - BEARING QUANTITY OF GENERAL CLAY AND GROUND BASE BEAR-ING GAPACITY
Gou ZhenYi
In accordiance with statistics and analyze of natural water-besrmg quantity of gen?eral clay and maturai hole ratio the ralationship of the above mentioned can be caculated by the rollowing for mulej e=W ? Cotd+C In this method, hole ratio can be caculated by making natural water-bearing quantity of gen?eral clay,and ground baes bearing capacity can be made by related formula.
1995 Vol. 12 (3): 87-89 [
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2535
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90
RESEARCH ON CORRECTING COEFFICIENTS FOR DETER-MINING LIQUEFIED SOIL
Li Keqang
For determining the saturated Liquefied soil in the high degree earthquake regions，a simplified calculating method is proposed by the author. A series of correcting coeffi-cients are suggested and have been commonly adopted.
1995 Vol. 12 (3): 90-97 [
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2463
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98
TECHNIQUE OF BLASTING EXCAVATION FOR THE CUTTING SLOPES OF ELECTRIFIED RAILWAYS
Chen Mouxin Jin Renkui
During the construction of a special railway line for the Chang-Shan Cement Plant closely nearby the Hengyang-Guangzhou Double-frack Electrified Railway, the controlled blasting technique was applied for excavating the high cutting slopes. The procedure and the technical feafures this excavating technique are introduced systematically in this paper. For proceeding the blasting excavating works under the complex blasting circumstances in which the catenary networks and the high-voltage power lines are nearby and the traffic safety may be influenced much easy, this tecnigue is very raluable for reference.
1995 Vol. 12 (3): 98-104 [
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2470
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105
COMBINED LOOSENING BLASTING WITH ORIENTED BLAST?ING TO EXCAVATE INTERFERENTIAL STONEWORKS
Zheng Darong
This paper introduces the practical examples of the controlled blastings for exca-vating the interferential stoneworks in the Zhuyuanba-Banchuyuan Section of the Bao-Cheng Double -frack Railway Line, Several difficult techonologic problems in the construction site and the relative measures are emphatically describde and discussed.
1995 Vol. 12 (3): 105-109 [
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2430
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110
CALCULATIONS AND JIANYIN BUILDING IN ANALYSES ON SETTLEMENT OF ZHUZHOU CITY
Tang Yuchang
Being aimed at the engineering circumstances of the Jianyin Building in the City of Zhuzhou，the paper proposes the formula for calculating the settlement of the building and analyzes the calculations. The obtained results are useful for taking measures to prevent the building from settling during design and construction period.
1995 Vol. 12 (3): 110-113 [
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2482
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114
A NEW SHALLOW-UNDER GROUND CUT METHOD FOR UR-BAN UNDERGROUND ENGINEERING
Bai Xiaoren
This paper introduces the principles and technology of a new shallew-underground cut method originated by the Railway Tunnel Engineering Bureau during constructing the West Tian，anmen station of the Beijing Metro Lines. The new cut method is more economic > practical and reliable than the original design scheme. This new experience is also valuable for constructing other underground engineerings.
1995 Vol. 12 (3): 114-123 [
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2493
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124
DISCUSSION ON STATION MODEL OF METRO STATIONS
SUN Jizhong
As the national economy has been gotten into the high-speed developing stage, the urban communications are too deplorable to the heavy traffic. By fully utilizing the un?derground space，the construction of metro lines is a effective method to resolve the intensive statu of the urban communications. The studies on the suitable metro station models pay an important role in passenger’s convenience and for raising the transport efficiecey.
1995 Vol. 12 (3): 124-129 [
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2522
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153
DISCUSSION ON COMPACTION OF RAILWAY SOIL ROADBED
Ii Minghua
This paper describes and discusses the meaning of the compaction of the railway soilroadbed and the principal measures for controlling the effects of the compaction,The pa?per proposes also the viewpoints and suggestions for constructing several special engineering sections such as the semia-filling and semi-excavating sections, the sections behind the bridge abutments the fragmentary filling and the shallow excavating ,etc.
1995 Vol. 12 (3): 153-157 [
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2477
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