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1997 Vol. 14, No. 3
Published: 1997-03-15
3
STUDY ON THE FORECAST OF PASSENGER TRAFFIC VOLUME OF HIGH-SPEED RAILWAYS
Li Guanghou
It was already drawn the great attention of many experts and scholars to build high-speed railways with Chinese features. The first problem should be solved in the study on building high- speed railways is the forecast of the passanger traffic volume . In this arti?cle ,the author has put forward the methods of the different degree estimation of passager traffic volume of high-speed railways by applying the traffic behaviour theory after analysing the factors in connection with the basic year pattern and passenger traffic volume，and also introduced his forecast thinkings and methods including computer programs based on the fea?sibility study of building Beijing to Shanghai High-speed Railway.
1997 Vol. 14 (3): 3-10 [
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2438
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11
DISCUSSION ON RAILWAY PASSENGER TRANSPORTATION DEVELOPING STRATEGY IN CHINA
Gao Chunmei
This paper,from the height of railway development strategy,describes the great prospect of rail passenger transport development and the necessity of strengthening the transport planning work based on the analysis and demonstration of the actual situation and conditions in China, railway transportation characteristic, current level of rail passenger transport volume，and influence of highway expansion to the railway ? The paper suggests that a dynamic forecast of passenger flow should be made, the running scheme of passenger trains should be compiled and the reasonable matching with the speed,density and weight of the passenger train should be studied as well. It is suggested that the management of capital investment should also be strengthened in order to ensure a continuous development of the railway.
1997 Vol. 14 (3): 11-16 [
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2501
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17
RESEARCH ON THREE-DIMDNSIONAL ANALYSIS AND APPLI?CATION OF RAIL WAY TRUSS BRIDGE WITH ORTHOTROPIC DECK
Zheng Kaifeng Liu Cunyan Wang Yingliang Liu Xuefa Tang Jisun Southwest
Authors have been carrying out a research into three-dimensional analysis of rail?way truss bridge with orthotropic deck,including modelling the three-dimensionaI structure， its loads and so on，based on a review of former researches. On the score of its better perfor?mance ,the requirements for the change in railway technique and the current trend on steel bridge ^and by making a thorough study，such type of bridge will be built in our country.
1997 Vol. 14 (3): 17-21 [
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2477
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22
NEW REINFORCE TECHNIQUES FOR MULTILINE RAILWAY WHEN BIG-APERTURE BOX-FRAMED UNDER-CROSS BRIDGE BE PUSHED THROUGH IT
Xie Xinmin Liu Baosheng Chen Changxian
Two kinds of new reinforce techniques for multiline railway under traffic are in?troduced .The techniques are adopted when big-aperture box-framed under-cross bridge was pushed through multiline railway by use of joist and other light simple member dexterously. The practices have proved that these techniques have many advantages ： economical and prac?tical 9 easy to operate，high-cofficient of safety. So, it is worth popularizing.
1997 Vol. 14 (3): 22-27 [
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2415
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28
DESIGN AND CONSTRUCTION OF PRESTRESSED CONCRETE BOX BEAM WITH MOVING SUPPORT METHOD
Den Yunqing Sheng Liming Li Chen
This paper introduces the method of design and construction of the prestressed concrete box-beam which is constructed in moving support way. It has solved the problem of transportation and hoisting erection of the simple concrete beam with medium span in Chi?nese railway, and makes the span to 56 metres.
1997 Vol. 14 (3): 28-33 [
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2438
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34
DESIGN TECHNOLOGY OF LONG SPAN TELPHER FOR LARGE BRIDGE ON QING SHUI RIVER
Gou Baofei Meng Xienzhong Bu Qingbao
The article mainly introduces the methods of design and removing the long span telpher with long distance and huge highness located on complex and difficult relief.
1997 Vol. 14 (3): 34-43 [
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4794
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44
DESIGN OF TWO FLANKS SPLICED JOINT FACTORY-MADE PARTIALLY PRESTRESSED CONCRETE BOX GIRDER
Peng Xiaohua
In this article，there is an introduction of the origin of the factory-made box girder of railroad and the method of deck plate expanded. Basing upon the process of design and test of the factory-made box girder as a development mode for high-speed and heavy-Ioad, there are some advantages and viewpoints of this box girder to be expounded.
1997 Vol. 14 (3): 44-50 [
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2405
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51
Steel Caisson Cofferdam Assembled Section by Section Construc- tion of Pier Foundation in Deep Water for Gongshui River Bridge in Beijing-Kowloon Railway
Ju Jianming Liu Hui
As constructing the bridge foundations in the deep water，we have adopted a new efficient construction technique, in which the steel caisson cofferdam was assembled section by section and then were settled down along a simple guiding frame. By taking the construc?tion of the foundations in deep water for the Gongshui special great river bridge in the Bei?jing-Kowloon Railway as an example, we expound in this paper the essentials of the design and the construction of the steel caisson cofferdam assembled and settled section by section in detail.
1997 Vol. 14 (3): 51-56 [
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2459
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57
DERIVING NEW SURVEYING WAY OF THE SPIRAL ——THE COORDINATE WAY FROM INTERCHANGE RAMP
He Jinhua
In traditional surveyings，there are usually the deviation angle way，the offset way,the polar coordinate way，etc, to survey the spiral. According to the shortcomings of the above-mentioned ways，the writer start with the special spiral of Long-Yao Interchange Ramp of the No. 107 national highway (irregular spiral and no datum points) with combine the using SOKKIA SET2C— 2 Intelligent Total Station (which can directly lay out the point from the coordinate) with and the SHARP pocket computer PC—E500. On the basis of the theory of the deviation angle way，the writer go a step further to inquire into the new survey?ing way of the spiral.
1997 Vol. 14 (3): 57-66 [
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67
METHOD AND COMPUTER PROCESS OF MEASURING AND SETTING CURVE BY LAYING MIRROR AT ARBITRARY POINT
Lou Hanwei He Xiaohua
The coordinate method,which is a new method with computer process for measur?ing and setting the curves,is introduced. The entire measuring and setting works may be ac?complished by laying the mirror inside or outside of curve at arbitrary point, so that the ac?cumulated error by traditional measuring method and the limitation of mirror laying point may be a voided, and thus the curve measurement may become rapid and accurate. It is espe?cially suitable for measuring subgrade,track and bridge on the curve.
1997 Vol. 14 (3): 67-77 [
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78
APPLICATION OF SPRAYING CEMENT FLOUR UPON PILES IN SOLIDIFYING OOZE FOUNDATION OF TIANJIN PORT AREA
Wang Zhengshou Wang Huiying Sixteenth
This article more systematically explains the mechanism of spraying cement flour upon piles in applied progress, construction method, test results, quality evaluation and so?lidification effect, etc. This method is of higher reference value to treat the ooze foundation of seabeach area.
1997 Vol. 14 (3): 78-84 [
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2477
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85
PRELIMINARY STUDY ON REMEDIAL MEASURES TO CREVICE DISEASE IN CONRETE LINING WALL OF RAILWAY TUNNEL
Zha Guaqi Zhu Pengyong
This article analyses the causes of crevice formation and expounds the character and the feature of the crevice in a concrete lining wall. The principle, measures and con?struction method to remedy the crevice disease are proposed ? The article can be used for ref?erence to remedy crevice disease in a concrete lining wall of the railway tunnel.
1997 Vol. 14 (3): 85-91 [
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2448
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92
RESEARCH ON COMPUTER AIDED DESIGN SYSTEM FOR CON- TINUOUS BEAM
Ma Yingdeng
The article gives a total structure on Data Base of Continuous Beam structure’s general geometric characteristics model, by analyzing the design procedure and its feature. We have finished the Computer Aided Design System for Continuous Beam’s design course according to it. The system can complete preliminary design and construction design of high?way or railway Continuous Beam.
1997 Vol. 14 (3): 92-96 [
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2449
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97
RESEARCH ON SEVERAL BASIC PROLBEMS IN INTELLIGENT CAD SYSTEM OF RAILWAY NEW LINE
Yi Sirong
Research on intelligent CAD system of railway new line is a very difficult project. This paper attempt to discuss some basic problems in detail，such as determining the system structure, selecting the develop environment and managing the information,etc.
1997 Vol. 14 (3): 97-102 [
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2449
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103
QUASI-PASCAL EFFECT AND ITS ENGINEERING PROPERTY
Su Mubiao Wang Xizhao Yue Zurun
This paper, analyzes and researches the change law of the stress in muddy soil when the quasi-Pascal effect have taken place. And it is pointed out that this effect have not only harmful influences but also useful actions on the engineering structure.
1997 Vol. 14 (3): 103-107 [
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108
APPLICATION OF TWINKLING KNOCKING METHOD UPON DYNAMIC PILE QUALITY NONDESTRUCTIVE TESTING
Guo Xiuqin
The paper introduces the basic principles, testing methods and application of engi?neering upon dynamic pile nondestructive testing . Based on the plenty engineering practices， a series of new, effective and suitable technical measures are summarized and expounded by the author in this paper. They are valuable for reference.
1997 Vol. 14 (3): 108-113 [
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2462
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114
APPLICATION OF INDUSTRIAL SLAG IN THE SUBSTRUCTURE OF HEAVY-LOADED RAIL TRACK
Huang Fubo
As to the heavy-loaded railway under the special load of 40t/axle, the liquid iron transport railway of Maanshan Iron Steel Co. is the second one at home following that of Baoshan Iron Steel Co. ? It is for the first time in our country that the oozy foundation of which has been successfully treated by the use of grading material such as blast furnace slag etc. A series of testing to the blast furnace slag，steel slag and cinder ash, added with the testing to the experimental section，has indicated that the physical and chemical property of the aforesaid material is stable, and the strength, abrasion, mechanical character after artifi?cial grading and the maximum dry volume density of which has fully met and overtopped the requirements of the design. Therefore it is a kind of high quality filling material for strength?ening subgrade bed. And the thickness of subgrade bed has been explored as well。
1997 Vol. 14 (3): 114-122 [
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123
PRACTICE OF CAST-IN-PLACE CONCRETE BEAM ON SOFT FOUNDATION
You Changlong Yuan Song Zhuang Jidong
During the construction of the cast-in-place concrete continuous beam on the soft foundation, the key questions are how to control the settlement of subsoil and make the pre~ determined camber within the extent of design,and prevent the beam from the distress etc caused by scaffold’s deformation which is caused by the subsoil’s settlement. Based on this， the paper discusses the way how to control the foundation’s settlement and make the con?struction of cast-in-place concrete continuous beam doing well.
1997 Vol. 14 (3): 123-128 [
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129
APPLICATION OF DIRECT-BURNING BROMITE-COOLED EN~ GINE IN CENTRAL AIR-CONDITIONER DESIGN
Chang Lizhueng
In view of the characteristics that the Railway Restaurant is located in the city commercial centre, permitting no boiler room, and that Taiyuan is abund ant in lowpriced coal gas resources, we’ve simulated four feasible schemes to solve the problem of the cool and heat sources of the central air-conditioner. From the comprehensive comparison among energy consumption, initial investment, maintenance, safety and other aspects in the four schemes, we choose to adopt the scheme of the direct-burning bromite-cooled engine (by burning the city coal gas〉，which is not only simple in system design，rational and feasible in economy, but also practical and spread worthwhile.
1997 Vol. 14 (3): 129-134 [
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135
EXPLORATION ON RAILWAY CONSTRUCTION SUPERVISION SYSTEM BY APPLYING MARKET ECONOMICS
Wu Mingyou
By applying the principle of the market economics, the recent situation of the rail?way construction supervision in China are analyzed. In orrfer to pursue the railway construc?tion supervision system，the author proposes that we should reform the present management system for capital constructions，amplify the relative laws and regulations，regulate the rela?tionship between supervision with design, construction and other departments, raise the quality of supervision themselves，etc.
1997 Vol. 14 (3): 135-137 [
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138
ESSENTIALS AND TECHNIQUE IN CLAIMING
Yang Ke
The author made a study to some extent on the claiming about forming conscious?ness 9 compiling data，as well as essentials and technique in claiming. In the light of the pre?sent cases，he points out that many contractors can not suffice their argument, complete their informations and act with apractised technique only to make no amends for their right behavior. Meanwhile, he stresses that more and more contractors and employers come to think high of the claiming damage that can get outstanding ecnomical returns just with a litle input.
1997 Vol. 14 (3): 138-141 [
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142
STUDY ON APPLICATION OF HIGH DENSITY RESISTIVITY METHOD IN PROSPECTING GEOLOGICAL DISEASES OF THE RAILWAY BED
Jiang Zhenghong Jiang Weihong
In this paper, the basic principle, working process and application technique of the high density resistivity method have been discussed. According to the characteristics of the geological structure of the railway bed, a new measurement scheme of the high density resistivity and its data processing-plotting software system are developed. Results of the fi?nite element numerical modelling and the field test for typical geological diseases of the rail?way bed show that the new method is a precise, effective and convenient technique in detect?ing geological diseases of the railway bed.
1997 Vol. 14 (3): 142-148 [
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149
COMPREHENSIVE TEST TECHNIQUE OF RAILWAY STRUC?TURE AND ITS APPLICATION IN HEAVY HAUL RAILWAY
Zhao Guotang
This paper describes a comprehensive railway structure test technique which is co mposited of choicing plans, railway members tests, real size tests，parameters idenitified tests and computer si mulation，and its application in research on heavy haul railway struc?ture.
1997 Vol. 14 (3): 149-153 [
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154
SURFACE DRILLING CURTAIN GROUTING LEAKAGE STOP?PAGE TECHNOLOGY IN OPERATIONAL TUNNEL
Liu Jihong
This paper introduces with particular engineering example the surface drilling cur?tain grouting leakage stoppage technology to treat water leakage in busy electrified twin- track tunnel without influence of traffic. It is proved by practice that the technology has great application prospect in wate亡 leakage of shallow tunnels.
1997 Vol. 14 (3): 154-159 [
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160
ON DAMAGE AND PREVENTION OF BROAD CONCRETE SLEEPERS
Li Zhangfeng
This paper introduces the main types of the broad sleeper damage，the causes of these damages, the views on improving the broad sleeper structure de signs，the prevention of the broad sleeper damage and the maintenance operation ways of prolonging the service life of broad sleeper.
1997 Vol. 14 (3): 160-164 [
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2438
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165
EFFECT OF INCREASED AXLE LOADS ON RAILWAY TRACK
Jiang Cheng
This paper describes the operation practice of heavier axle load car in foreign countries and the research work about the effect of increasing axle load of freight car on rail?way track at home and abroad. On these grounds, it proposes the necessary measures for strengthening and maintaining Chinese railway track structure when the axle load of freight car will gradually be increased to 25t.
1997 Vol. 14 (3): 165-172 [
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173
BRIEF ANALYSIS ON BASIC WORKS FOR CONSTRUCTING STAFF WITH PROFESSIONAL TALENTS
Xie Hua
As the graduates were accepted and employed by the Fourth Railway Survey and Design Institute, based on the analyses of these situations and the qualititive state of the graduates, several measures and methods for accepting and training the high-quality talents and for strengthening the construction of staff with professional talents are explored. These measures and methods have the role as reference to promote the development and the integri?ty of the technical talent system for the railway engineering departments.
1997 Vol. 14 (3): 173-180 [
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