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1996 Vol. 13, No. 1
Published: 1996-01-16
1
WIN GREATER VICTORIES ON RAILWAY CONSTRUCTION CAUSE
Sun Yongfu
In this paper，successes and experiences on railway construction during the Eighth Five-years Plan are comprehensively and profoundly summed up, the objective and assign?ments on railway construction during the Ninth Five-years Plan as the well as the concrete plan in 1996 are assigned,and the ideas on profoundly making reform to basic construction system are suggestted. It is of great guiding significance.
1996 Vol. 13 (1): 1-13 [
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14
DISCUSSION ON RAILWAY DEVELOPMENT PLAN FOR E-CONOMY DISTRICT OF ZHUJIANG DELTA
Zeng Guangwei
The paper describes briefly the general state of the social economic development of the Zhujiang Delta，its railways’ present situation and existing problems. The requirements on quantity of railways are forecasted. Several suggestions are proposed,such as the target of railway development plan,its proceeding steps and the distribution of railways.
1996 Vol. 13 (1): 14-19 [
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2507
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20
CONSTRUCTING RAILWAYS TOWARD WEST FOR SOUTH-WEST REGIONS
Wu Zhenggang
There are strategic meanings to develop the West Regions for the economy devel?opments of both the Southwest and the whole nation. But first of all, the railways toward West must be constructed. The Baoji-Chengdou and Chengdou-Kunming Railway Lines are considered to be an axis. Constructing railways at the west of this axis and the opportune mo?ment of the construction are proposed in this paper. It is a reference for decision.
1996 Vol. 13 (1): 20-22 [
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2497
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23
SUGGESTIONS ON CONSTRUCTION OF SHANGHAI- CHONGQING RAILWAY AS A GREAT PASSAGEWAY ALONG YANGTZE RIVER
Duan Liao
The paper analyzes the problems concerned with the economic developments of the Yangtze River Basin. A conception of constructing the Shanghai-Chongqing Railway along the Yangtze River has been suggested by the author. The suggestions may be provided for the responsible departments concerned as reference.
1996 Vol. 13 (1): 23-29 [
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2519
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30
RAILWAY NETWORK PLANNING AND CONSTRUCTION COST
Chen Shi
Working out well the railway network planning is a key link of earlier-stage works during the construction of railways. The planning must be reasonable with wide scope and high quality，it plays a guiding role in the construction of railways. The estimation of the con-struction cost has special situation,it is not only an important factor of the comprehensive comparison,but also a key factor for guiding the railway investment by economic benefits. In recent earlier-stage works during the construction of railways,for listing the estimated engi-neering costs,there are several existing problems,such as unsuitable with the modern market economy, etc. It is recognized that the way of making estimations should be established as soon as possible,so that the measures for the computerization of estimation，etc,may be real?ized and the quality of estimating the construction cost may be raised.
1996 Vol. 13 (1): 30-33 [
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2527
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34
POSITION AND DEVELOP STRATEGY OF RAILWAY
He Ning
In this paper，position function and importance of railway in national economy and importarce of railway in national economy are dissoused ；desirable strategy and counter?measure on speeding up railway cunstraction are advanced .
1996 Vol. 13 (1): 34-41 [
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2534
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42
DISCUSSIONS ON SPEED MATCHING OF HIGH-SPEED AND MEDIUM-SPEED PASSENGER TRAINS
Peng Hua
The mode of transportation of the high-speed and medium-speed mixed traffic is quite different from either the single high-speed traffic or the single medium-speed traffic. Based on the above concept and the present specialities of our railways，and concerned with the track mechanics，the speed matching of the high-speed and medium-speed mixed traffic and its relative problems are discussed in this paper. Several suggestions are also proposed in the paper.
1996 Vol. 13 (1): 42-44 [
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2522
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45
DISCUSSION ON SOLVING THE LENGTH OF REFUGE SIDING BY ANALYSIS METHOD
Xu Ling
The paper analyzes the moving state and the characters of the train running into the refuge siding. The length of the refuge siding will be determined by the initial state and the final state of the train,no matter what’s the running procedure of the train. By applying twice the law of conservation of energy，the relative equation for solving the length of the refuge siding has been found. Checked by the calculating examples, the results are accurate and the method is simple and comvenient.
1996 Vol. 13 (1): 45-53 [
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54
DYNAMIC-STATIC LOAD TESTS AND ANALYESE FOR JIU- JIANG CHANGJIANG GREAT BRIDGE
Zhao Yucheng
The paper gives the general descriptions and the procedures of the dynamic and static load tests of the Jiujiang Changjiang Great Bridge. According to the results of these tests,the stiffness of the Great Bridge has been analyzed. The lateral stiffnesses of the three main bridge arches are firmly verified. And thus tthe important technical data are accumulat?ed for evaluating later the dynamic characteristics and the stiffness of the bridge structure with longer span and more complexity.
1996 Vol. 13 (1): 54-59 [
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60
APPLICATIONS OF BIG-DIAMETER MULTI-PILE BRIDGE FOUNDATIONS IN JAPAN
Chen Kaiyu
The big-dianieter multi-pile foundations were applied by the Damingmen Bridge and the transverse bridge at Hengbin Port in Japan. The structures of the bridge foundations and its construction methods are described in this paper,and a rather new scheme for enlarg?ing the bore is proposed. The method described in this paper has better suitability,especially has certain reference value for constructing bridges under the difficult conditions, such as with weak ground，etc.
1996 Vol. 13 (1): 60-63 [
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2531
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64
WATERPROOFING METHOD BY APPLYING STEEL JACKET BOX FOR BUILDING UNDERWATER BRIDGE FOUNDATIONS
Li Minghua Wu Zongyuan
There are much more waterproofing methods for building underwater bridge foun?dations* During constructing the bored piles or enlarging the foundations，the lighter and more convenient steel jacket box may be used instead of using the steel sheet pile as the cof-ferdam. The paper introduces systematically the design and the manufacture of the steel jacket box，the engineering technique of its installation and waterproofing * the scope of its applications，the matters needing attention，etc.
1996 Vol. 13 (1): 64-70 [
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71
PRINCIPLE AND APPLICATIONS OF STODOLA ALGORITHM
Tong Senlin
This paper briefly introduces the principle of the Stodola algorithm，as well as suggests the applied technology which combines this algorithm with the finit unit procedure of direct-stiffness method and some treating measures in particulars when anti-seismic calcu-lations are made for basic piers of pile-base type.
1996 Vol. 13 (1): 71-75 [
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76
FACTORS CONCERNED WITH APPLICATION OF TUNNEL BOR?ING MACHINE TECHNIQUE FOR QINLING TUNNELS
Qin Songjun
The paper describes the superiorities of the TBM technique. The main problems oc- cured in the applications of the TBM technique among the railway tunnels of our country are pointed out and are discussed in detail,such as the problem concerned with the selection of the tunnel boring machines,the analysis on the circular crosssection of the tunnel,etc. Finally,several essentials，which should be paid attention to, are proposed for the application of the TBM tech?nique during the preparing stage of the construction of the Qinling tunnels.
1996 Vol. 13 (1): 76-81 [
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2469
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82
SAFETY MEASURES FOR BUILDING TUNNEL OF THE ENGLISH CHANNEL
Guo Shutang
The paper introduces the safety measrues adopted during building the tunnel of the English Channel from following aspects?such as：safety guarantee organizationstsafety educations and safety measures on design,equipments?etc. These informations are valuable for reference for constructing railway tunnels of our country.
1996 Vol. 13 (1): 82-86 [
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2533
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87
SPATIAL ANALYSIS METHOD AND COMPUTER PROGRAMS FOR CALCULATING LENGTH OF OBLIQUE CULVERT ON CIRCULAR CURVE
Sun Yueheng
Because of there are many factors which influence the length of the culvert, further?more there are interactions between these factors，therefore the calculation of the length of the culvert is rather complex. Based on the spatial analysis,this problem is treated as a spatial analyt?ic problem with two intersecting equations ： (l)a spatial linear equation in which the straight line passes through the inner corner of the cap-beam of the culvert nearby the slope of the. roadbed, and(2) a spatial cruved-surface equation of that slope of the roadbed. By this method,the deduct?ing procedures of the formula for calculating the length of the culvert are very easy, convenient and audio-visual，and thereby the expression formula of the length of the culvert under possible conditions has been obtained. The computer programs are made by using a method of rapid ap?proaching the real value,and the calculating results may be obtained on Computer 486 within only one second.
1996 Vol. 13 (1): 87-92 [
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93
GEOLOGY FEATURE OF PLASTIC FLOW AND TENSILE CRACK TYPE LANDSLIDE AND ITS FORMATION MECHANISM
Chen Guangpou
According to the analyses on the feature of plastic flow and tensile crack model land?slide widely existed at Shaanbei loess area and its formation mechanism, this paper discusses the basis for classifying this type of landslide and the features of its deformation motion. The main points of field investigations and the principles of engineering dispositions are also introduced for this type of landslide.
1996 Vol. 13 (1): 93-102 [
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2538
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103
SIMPLIFIED CALCULATING FORMULA FOR ACTIVE EARTH PRESSURE OF EARTHQUAKE EXPRESSED BY EARTHQUAKE CO-EFFICIENT METHOD
Li Tao
By applying the earthquake coefficient method，the simplified calculating formula for earth pressure of earthquake at the back of the abutment of the railway bridge has been derived. Avoided from the conception of the earthquake angle, the formula has the specialities of simple and convenient with high accuracy and strong suitability.
1996 Vol. 13 (1): 103-105 [
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2504
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106
PROBLEMS ON SUBGRADE IN CONSTRUCTION OF RAILWAYS
Tian Wan
From two important aspects,i. e. design and construction works,the paper analyzes the railway subgrade problems exposed in recent years during the construction of new railway lines, especially new railway lines in the mountainous regions. The practical examples and the experi-ences for modifying the design and the construction works are introduced. Suggestions for raising subgrade quality and eliminating subgrade defects in the construction of railways are also pro?posed.
1996 Vol. 13 (1): 106-109 [
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2537
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110
DISCUSSION ON POWDER-SPURTED PILE USED FOR REINFORC?ING SOFT SOIL FOUNDATION
Huang Yunxia
Principle, calculating method on bearing capacity，distribution of stress between pile and soil，why powder-spurted pile are used on reinforce soft soil foundation,etc,are expounded. Besides, the relevant engineering measures and suggestions for popularization and application in future are also suggested in the paper.
1996 Vol. 13 (1): 110-113 [
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2546
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114
NANNING RAILWAY TERMINAL AND A CONTEMPLATION ON ITS GENERAL LAYOUT
Ye Wenlin
The paper describes the formation and the present situation of the Nanning railway conjunction terminal,and proposes a contemplation concerned with the correction and supplement on the general layout planning of this terminal.
1996 Vol. 13 (1): 114-118 [
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2543
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119
DISCUSSION ON DISTRIBUTION PRINCIPLE OF STATIONS IN SIN-GLE-TRACK RALWAY LINE
Wei Deyong
The unreasonable aspects of the distribution principle of the stations in single-track railway line are pointed out and analyzed,and the specific revising methods are proposed. Several effective measures for raising the carrying capacity are suggested,which should be listed properly in the Standard. These constructive suggestions are valuable for revising later the Design Stan?dard of Railway Track.
1996 Vol. 13 (1): 119-122 [
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2524
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123
APPLICATION OF EXPLOSIVE FLASK CONTROLLED BLASTING METHOD
Wang Xijua
A controlled blasting method with a deeply drilled and enlarged explosive flask was adopted for blasting small-size foundation hole onto the design dimensions. As compared with the traditional explosive flask (with mul?ti-drilling holes) blasting method, this explosive flask controlled blasting method has the superiority in which the blasting area can be controlled by using a certain amount of explosive. Furthermore, as compared with the ordi?nary blasting method according to the design dimensions, the procedure of this controlled blasting method is much simple. In this paper, the application examples are proposed, and the key techniques of its procedure, the calcula?tion of the amount of the explosive, the method of drilling and enlarging the flask, etc, are described in detail.
1996 Vol. 13 (1): 123-127 [
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2476
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128
DISCUSSION ON ENVIRONMENTAL CONTROL DESIGN FOR TIANJIN SUBWAY
Zhu Jianzhang
Tianjin Subway’s construction projects are researched in depth. Different plans are suggested and are imitatively analysed by contrast with computer. Besides, some specific questions during design and usage are predicted and the measures for solving these questions are suggested in this paper.
1996 Vol. 13 (1): 128-132 [
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133
DISCUSSION ON RETURN AIR REHEATING TECHNIQUE
Yu Jianhua
This paper suggests a kind of new thinking- return air reheating technique，in which the energe may be saved by the feedback between cold and hot air in air-conditioning process. As well as this technique，the economic results are analysed and are compared with others. If practice according to this thinking are succeeded，the traditional air-conditioning process and its concept will be developed.
1996 Vol. 13 (1): 133-136 [
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137
RESEARCH ON PLANS TO DISINFECT AND ELIMINATE PESTS FOR RAILWAY PASSENGER COACH
Ye Yongkang
Because of practical needs and possibility, this paper compares and choosess dif?ferent plans to disinfect and eliminate pests for railway passenger coach by physical and chemical methods on the basis of investigation and study. Besides，the best plan- Combin? ing Three Method Plan has been recommended.
1996 Vol. 13 (1): 137-142 [
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143
IMPORT NUMERICAL—CONTROL DRILLING MACHINE FOR STEEL GIRDERS AND DISCUSS MANAGEMENT OF MACHINERY IN PERIOD OF INVESTMENT
Jin Hongzhang
Doing well the management of equipment in period of investment and making good technical-economic proof are the important components of the management of equipment in its whole procedure. During the import of the numerical-control drilling machine for steel girders, the decision analysis of the investment, the research on suitability and the multi?scheme comparisons and selections are given. And thus，the advance9economytreliability and suitability of the import equipments may be guaranteed as a whole.
1996 Vol. 13 (1): 143-148 [
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149
EXPLORE NEW WAYS BY WHICH ENABLE LIFETIME-CYCLE COST OF EQUIPMENT TO BE MOST ECONOMICAL
Qiao Zhenying
This paper describes the inevitability, necessity and feasibiity to reform the main?tenance regulation of equipment based on analysing the importance of the maintenance of e?quipment. It is scientific and rational to adopt diagnosis techniques and to pursue state mainte nance for equipments. Pursuing state maintenance (i. e. repair according to condition of equip?ment )can obtain most economical lifetime-cyele cost of equipment.
1996 Vol. 13 (1): 149-152 [
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153
CONSTRUCTION WORKS ON TRACK-BALLAST REGULATION AND COORDINATION OF OPERATIONS BY USING LARGE- TYPE MAINTENANCE-OF-WAY MACHINERY
Wang Rongchun,Wei Wei
The paper introduces the working methods and the experiences of the construction works on track and ballast regulations by using large-type maintenance-of-way machinery (Tamping Wagon 08 —32)which was used first on the northern sections of the Baoji—Zhong- wei Railway by the China Railroad Construction General Corporation. The methods and the experiences are valuable as reference for the construction works on track and ballast regular tions before the acceptance during constructing other new railway lines.
1996 Vol. 13 (1): 153-158 [
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159
NEW CONCEPTIONS ON MAKING DESIGN OF CONSTRUCTION ORGANIZATION FOR AN UNIT ENGINEERING WORK
Li Jizhong
During making a design of construction organization for an unit engineering work， it is proposed that the attentions should be paid to establish a set of new conceptions,such as attaching importance to the combination of technology with economics and the combination of construction with design, paying attentions to the realization of comprehensive manage?ment, dynamic management and information management?establishing the conception of ex?tensive market, etc. The above conceptions are discussed and analyzed in this paper in detail, and they are valuable for reference.
1996 Vol. 13 (1): 159-161 [
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162
ESTABLISH MODERN QUALITY CONTROL SYSTEM FOR NA-TIONAL CONSTRUCTION ENTERPRISES
Tong Xifei
The paper describes the existing problems on quality control of the construction enterprises at present time. The reasons of these problems are pointed out and analyzed. For establishing a modern quality control system,the author’s thinks are proposed in this paper.
1996 Vol. 13 (1): 162-165 [
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166
REFORM OF A PLANNING SYSTEM FOR RAILWAY SURVEY AND DESIGN
Wu Jiaju Nian Shengping
There are a new circumstances as the management systems of the enterprises are converted and the enterprises are promoted into the market. Based on the practices of the re?form of the Railway Survey and Design Institutes and according to the new requirements of the above circumstances, in this paper, several suggestions and conceptions are proposed in order to speed up the reform of a planning system for the railway survey and design.
1996 Vol. 13 (1): 166-168 [
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169
STUDY AND DESIGN ON AUTOMATION SYSTEM OF WATER SUPPLY
Li Xuli
This paper discuss the Three Remote (remote measure, remote communication re?mote control) System that automatic control the water supply equipments, expounds the composition and the operation procedure of the whole system，as well as process selecting and debugging elements，etc.
1996 Vol. 13 (1): 169-174 [
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