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2003 Vol. 20, No. 3
Published: 2003-03-15
1
THE RESEARCH ON OBJEXTIVE VALUE OF SPEED OF HIGH-SPEED RAILWAY
LI Chang-jin
The completion of Tokai new main lines with the speed of 200 km/h in Japan in 1964 uncovered the prelude of the express railway development. Owing to more & economical character, express railway meets the need of economical and social development in variable Country. So every country competes in enhancing speed and constructing express passenger railway. Until now, there are ten countries which have constructed express railway above 200 km/h. The construction and development of express railway Indicate that world railway has entered the highspeed developmental times. This paper is not concerned about the comparison among the express system modes. The issues relate to express railway with the program of high speed and moderate speed in common-line, which is reported to state to ratified, will be argued. This paper will discuss the definition on the objective value of express railway speed. It will make a conclusion that it is urgent to develop express railway and will provide optimization method to selection parameters in the program of high speed and moderate speed in common-line. The conclusion in this paper will be references in the railway planning and construction and the basis for further research.
2003 Vol. 20 (3): 1-4 [
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2450
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5
IMPORTANCE AND NECESSITY FOR CONSTRUCTING FUZHOU-XIAMEN RAILWAY
LI Wen-hong, ZHENG Qi-pu
The importance and necessity of construction of Fuzhou-Xiamen Railway are expounded in this paper emphatically from the following aspects: quickening the progress to promote the construction of an economic flourishing zone at west seashore of the Taiwan Straits, speeding up the construction of different coastal ports of Fujian Province, promoting the development of tourist business in southeast coastal cities of Fujian Province, strengthening the communication constructions for national defense in order to promote the unity of the country at an early deate, etc.
2003 Vol. 20 (3): 5-8 [
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4813
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9
EXPLORATION ON SPEEDING UP THE CONSTRUCTION OF SHANGHAI-LASA RAILWAYS CALM AND UNHURRIED
JIANG Hong
Comprehensive introductions on the construction of the Gelmo-Lasa section of the Qinghai-Tibet Railway started, as well as the tentative ideas of constructing continuously the Yunnan-Tibet and the Sichuan Tibet Railways, are put forward in this paper. The suggestions on speeding up the construction of Shanghai-Lasa railways and the considerations on construction of South China-Lasa railways are proposed also.
2003 Vol. 20 (3): 9-11 [
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2792
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12
DISCUSSION FOR SUSTAINABLE DEVELOPMENT OF URBAN UNDERGROUND ENGINEERING
LI Bin-feng, LIANG Zhi-xin
On the basis the concepts of sustainable development, analyzes the importance of sustainable development from concepts' connotation. The advantage and disadvantage of urban underground engineering were dissected roundly. The current situations and existing problems of urban underground engineering were expounded at length. In the end, brought forward reasonable exploitation and utilization for urban underground engineering, drawn a conclusion-the inevitability of moving a sustainable development roadway of urban underground engineering in our country.
2003 Vol. 20 (3): 12-15 [
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2546
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16
NEW CONSTRUCTION TECHNIQUE FOR BEIJING URBAN RAIL TRANSIT
LUO Qun-she
This paper analyzes the feasibility and necessity of two techniques of laving continuous welded line for one time and anti-vibration roadbed with steel spring floating plate adopted in construction of Beijing urban railway transit at ground level, gives an introduction to these two new construction techniques and achievements. In which the experience can be for the reference to the construction of urban rail transit of China in future.
2003 Vol. 20 (3): 16-18 [
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2493
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19
IMPORTANCE OF WATERPROOF ENGINEERING TO SUBWAY CONSTRUCTION
ZHANG Zhen-jiang, BA Tu
Based on several examples in construction of Fuxingmen-Bawangfen Double Line of Beijing Subway, this paper describes the degree of waterproof and control principle of water in subway design and construction, analyzes the causes of structural percolating water and its treatment, which can provide good experience to subway design and construction in future.
2003 Vol. 20 (3): 19-22 [
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2525
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23
DESIGN AND ANALYSIS OF QIAOKOULU TRAFFIC YARD IN WUHAN
MIAO Dong
This paper reviews the design of Qiaokoulu Traffic Yard, the car maintenance base, in phase one works of No. 1 line of Wuhan urban rail transit, analyzes the difficult points and different points in design from that in design of conventional car depot, puts forward the basic way for construction of car maintenance base based on experience in this design.
2003 Vol. 20 (3): 23-25 [
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2513
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26
ISPMAT: INTELLIGENT SYSTEM FOR PREDICTIVE MAINTENANCE APPLIED TO TRAINS
LI Min
The maintenance of massive transport vehicles is very important to guarantee the quality of this social service. This paper presents a software tool named ISPMAT able to perform an automatic detection and diagnosis of possible faults in two main components of a train: the compressor and the traction bogie. ISPMAT is based on artificial intelligent techniques: description of the ISPMAT architecture and neural networks and expert systems. This paper includes the some experimental results.
2003 Vol. 20 (3): 26-30 [
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2480
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31
TRACK FASTENER OF URBAN RAIL TRANSIT
YU Chun-hua
The function and design principle of track fastener of urban rail transit are described. The types and properties of the fastener adopted by China are introduced. Some suggestions are proposed.
2003 Vol. 20 (3): 31-33 [
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2491
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34
CONSTRUCTION TECHNIQUE FOR CONCRETE CONTINUONUS BOX GIRDER UNDER 30 M PRESTRESS
LI Guang-rong
Box girder is widely adopted in most bridges due to its simple structural form and good stressed condition. However, box girder has a strict requirement for the size of precast structural component due to its structure of thin wall. Box girder was adapted partially in Weihe Bridge on Xianyang Airport Highway. Based on the experience in it, this paper gives a brief introduction to the technique for precasted structural component of box girder under 30 m prestress, including proper measures to be taken, for reference to producing similar precasted structural component.
2003 Vol. 20 (3): 34-39 [
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2524
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40
THE DIFFICULTY AND SOLUTION OF BRIDGE ERECTION IN SMALL RADIUS CURVE ZONE
SHU Wen-chao, WU Yu-xing, JING Qi-shou
On the basis of relationship among the minimal extending length, small radius and the length of back beam, the difficulty of bridge erection is solved by turning track and offset in advance.
2003 Vol. 20 (3): 40-43 [
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2517
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44
CONSTRUCTION TECHNIQUE OF BALLASTLESS SLAB TRACK ON THE BRIDGE FOR QINSHEN SPECIAL RAILWAY LINE FOR PASSENGER TRANSPORTATION
LI Jun
The paper gives the introduction of the construction technique of a new-type track structure-Slab Non-ballast Track, which will be used on the bridge of Qinshen Special Railway Line for Passenger Transportation, and sheds light on a series of key construction techniques, mainly including: fabrication of the track slab, research and production of CA sand mortar, construction of concrete bearing and convex retaining wall, paving of track slab, pouring of CA sand mortar, construction of the filled cushion slab etc. All these will have the significant reference and application value for its employment to the bridge construction of the city overhead track and the express-railway.
2003 Vol. 20 (3): 44-50 [
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2479
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51
CONSTRUCTION OF LARGE-SPAN PRESTRESSED CONCRETE CONTINUOUS BOX GIRDER IN SOFT FOUNDATION AREA
GUO Yi-xian, KANG Ji-long
This paper gives an introduction to the construction technique and precautions for large-span prestressed concrete continuous box girder in soft foundation area during construction of Dongxihu Interchange Crossing Bridge, proposes the construction programme with supporting all round and casting for one time for continuous box girder at small radius line, which resolved the problems related to the soft foundation, ensured compactness inside, beauty outside and round line of box girder, and saved the cost, analyzes the quality control and monitoring of ground treatment, supporting laving, temlate installation, concrete casting and stress system setting up, which provides good experience to such construction.
2003 Vol. 20 (3): 51-55 [
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2503
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56
ANALYSIS OF ENGINEERING ENVIRONMENT AND MEASURES FOR ENVIRONMENT PROTECTION OF THE SECOND HIGHWAY BRIDGE OVER JIAJANG RIVER
SUN Xiao-miao
This paper analyzes influencing factors on environment by the construction of the Second highway bridge on Yangzhongjia River and during the bridge opening to traffic, and proposes proper measures for environment protection.
2003 Vol. 20 (3): 56-58 [
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2487
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59
SEVERAL PROBLEMS CONCERNED WITH RAISING TECHNICAL LEVEL OF DESIGN AND CONSTRUCTION OF TUNNELS IN CHINA
GUAN Bao-shu
Based on the developing progress of tunnel technology in home and abroad, according to the situations of our country, the paper explores several problems for raising technical level of design and construction of tunnels in China from the following three aspects: raising the engineering quality of tunnels, decreasing the engineering cost of tunnels, as well as attaching importance to environment protection. Several specific measures arc proposed also.
2003 Vol. 20 (3): 59-66 [
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2528
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67
CONSTRUCTION TECHNIQUE FOR UNFAVOURABLE SECTION ON MOSHAXI TUNNEL OPENING GEOLOGICAL
ZHUO Guo-ping
Based on the construction of Moshaxi Tunnel Opening, this paper analyzes the cause of collapse describes the treatment measures and construction method.
2003 Vol. 20 (3): 67-70 [
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2555
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71
OPINIONS ON REFORM OF CONSTRUCTION OF GROUND CAVERN UNDER STRONG SQUEEZING
FU Hua-xing
Based on the summary of the experience in construction of four ground caverns under strong squeezing in the world, this paper proposes the opinions on the reform of construction of ground cavern under strong squeezing, including design, construction and schedule, especially proposes the identification standard for strong squeezing in geology, demonstrates the application of Caster Formula in identification, criticizes the improper method with hedgehog double-layer radial anchor rod, and sequentially proposes the method with first supporting and then excavation.
2003 Vol. 20 (3): 71-75 [
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2557
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76
RESEARCH ON THE LOSCHENG SLOW-SLIP AND HUGE-VOLUME LANDSLIDE IN GUIXING SUPERHIGHWAY
MUO An-ru
The Guixing Superhighway is such a superhighway building in plateau mountain area. Its geology is very complex. Among its all landslide the Loschong landslide possesses about 6*106 m3 slip-volume. That landslide keeps on moving to be already last for more than 30 years and is a slow-slip and huge-volume landslide, if thoroughly managing it, it will take very much expenses to reach 130 million yuan. Through compared very many plans of managing this landslide, the plan that managing a part of the landslide and long-term monitoring it was adopted, and the purpose that managing the landslide not only taking few expenses but also safely was attained. In this engineering the Landslide-monitoring is very important, varieties of landslide-monitoring means were adopted and some successful experiences were acquired. This paper research on and deal with this landslide's general condition, slow-slip reason, managing and monitoring.
2003 Vol. 20 (3): 76-80 [
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81
THE CONSTRUCTION TECHNOLOGY DEALING WITH THE WEAK STRATA OF THE BRIDGE TOWER WITH CFG PILE
PENG Jing-shu, GAO Qiang
CFG pile introduced could deal with the differential settlement between the bridge tower and its weak strata roadbed. The roadbed around the bridge tower should be treated with this method. It also can be used to deal with the weak roadbed of the high railway and the roadbed of the bridge tower for the reference of the most geo-technique engineering.
2003 Vol. 20 (3): 81-85 [
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2515
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86
WELDING OF HIGH MANGANESE STEEL FROGS WITH RAILS
XU An-you
Medium material is used for the flash about welding of high manganese steel frogs to rails. No separated carbide is generated from the austenite microstructure in heat affected zone on high manganese steel frogs, nor martensite microstructure appears in the heat affected zone on rails. Excellent weldability is realized at the welding joints. This technology is employed in the welding of high manganese steel frogs.
2003 Vol. 20 (3): 86-89 [
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2714
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90
FROM A MODEL TO ANALYZE THE OPERATING CONDITION OF USING THE WELDING TRAIN
YANG Lu-fan
Analyze the condition of B27 bids works of Qinghuangdao-Shenyang dedicated passenger railway; conclude that the area of the yards to store the continuous welded rail is an important factor for welding train. Select the quantity of continuous welded rail deposited before laying in the yard as the optimized object, establish the model depending on the restricting relationship of the time in which the welding train work in the two laving track teams, analyze the parameter to reduce the condition of using the welding train. Then based on the technical flow of laying the continuous wedded rail, discuss the relationship of working procedure between the welding and others ,and indicate some important parameter in selecting the equipment. This paper is useful for selecting the equipment, drawing the construction management plan, adopting new technics.
2003 Vol. 20 (3): 90-93 [
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2675
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94
STUDY ON RAIL WELDING PLANT TECHNOLOGY DESIGN
MO Jun, GENG Ming
Taking the design of Xiangtang rail welding plant as an example, the article disserts the technological process of continuous welded rail (CWR) and head hardened rail (HHR) production line, arrangement of general technological layout, principle of the disposal for manufacturing equipment and main index of technical characteristics. Final we approach the principle and method to optimize technology design.
2003 Vol. 20 (3): 94-97 [
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2711
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98
POWER CALCULATION ON DOMESTICATED RAIL GRINDING TRAIN
CHEN Deng-yan
First of all, the correct power calculation on entire car must be made during the domestication of rail grinding car. Based on the operation characteristics of rail grinding train, the traction calculation method for made during the domestication of railway locomotive and the theory of metal cutting at grinding wheel cutting rail, this paper sums up the method of power calculation on rail grinding train.
2003 Vol. 20 (3): 98-100 [
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2532
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101
MANAGEMENT OF SUBSCRIBERS USING METROPOLITAN AREA WIDEBAND NETWORK OF CHINA RAILWAY COMMUNICATION CO. LTD. IN SHANGHAI
ZHAO Ying
Facing serious competition market, it is stressed by China Railway Communication Co. Ltd. Shanghai Branch that the key point of setting up metropolitan area wide-band network is to make it developed into a running and manageable wide-band network opening to public with high reliability, good quality and safety of operation and easy operation to subscribers. This paper sums up the experiences in management of subscribers.
2003 Vol. 20 (3): 101-104 [
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2539
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105
THE DESIGN AND IMPLEMENTATION OF 100 M ETHERNET LINE BOARD IN CORE ROUTER
GAO Xiang-yue
In this paper, a new type of 100 M Ethernet Line Board is presented. It is used for large, high-speed netword device-Core Router. By using new internal switch packet architecture and implementing with FPGA; we can satisfy the need of full duplex, high speed and stabilization for the Core Router. In general test, the lost packet ration of this line board is very low. So it will be used in the network products.
2003 Vol. 20 (3): 105-108 [
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2505
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109
CONSTRUCTION TECHNIQUE FOR SUBSURFACE EXCAVATION OF DOUBLE-HINGED ARCH TUNNEL CROSSING HIGH-RISE BUILDINGS AREA WITH SHALLOW FOUNDATION
FAN Guo-wen, WANG Xian-tang
The structure of double-hinged arch tunnel is adopted in Dongzhimen section on Beijing urban transit, for which the shallow buried subsurface excavation method was adopted in order to under cross two high-rise buildings with shaoolw foundation in water riching and loosening formation. This paper describes the used technical methods for treating the formation related to the structure, tunnel construction and existing buildings and also describes the prevention technique for high-rise buildings and monitoring works in construction, for reference to future similar works.
2003 Vol. 20 (3): 109-116 [
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2591
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117
APPROACH TO DESIGN AND APPLICATION OF RECESSED RETAINING WALL
SONG Ling-zhi
At present, the flyover engineering with down drilling is getting more and more in construction of urban road. This paper approaches the design and technical requirements for the recessed retaining wall in construction of ine urban underground transit.
2003 Vol. 20 (3): 117-120 [
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2556
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121
BRIEF INTRODUCTION OF THE COMPREHENSIVE DESPATCHING SYSTEM OF HIGH-SPEED RAILWAY
BAI Zhao
It gives the idea of the construction of the comprehensive dispatching system in China's high-speed railway by comparing to the similar systems of Japan, Germany and etc., and taking into consideration of the existing system, which provides as reference for research and design of the future high-speed railway system.
2003 Vol. 20 (3): 121-124 [
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2559
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125
APPROACH TO INTERNATIONALIZATION OF CONSTRUCTION ENTERPRISES IN CHINA UNDER ECONOMY GLOBALIZATION
WANG Fei-meng
This paper describes the prerequisite and necessity for internationalization of enterprises, reveals how to overcome all obstacles from various aspects by construction enterprises in China in order to speed up the process to internationalization of enterprise in accordance with the theories of economy globalization and enterprise internationalization as well as the situation of construction enterprise in China, and proposes the countermeasure for the development of internationalization.
2003 Vol. 20 (3): 125-128 [
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2518
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129
OVERALL CONCEPT OF TENDER WORKING OUT SYSTEM FOR CONSTRUCTION SUPERVISION
LI Chun, HU Zi-hua
This paper describes the overall concept of “Tender Working out System for construction Supervision" from the views of work organization and technical management, including the expected goal of the system in use. The system is an important accessorial means for a construction supervision company to upgrade the company's ability of completion in market and the company's trust to public.
2003 Vol. 20 (3): 129-131 [
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2549
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132
APPROACH TO INTERNATIONALIZATION OF CHINESE ACCOUNTING UNDER ECONOMY GLOBALIZATION
YE Bao-zhou
This paper describes the environment of economy globalization, analyzes the dual-nature of accounting and the dialectical relationship between accounting nationalization and accounting internationalization, demonstrates the necessity and probability of accounting internationalization under economy globalization, discusses the problems related to the coordination of Chinese accounting with international accounting, presents the situation of internationalization of Chinese accounting, puts forward that the difference of environment between Chinese accounting and Western accounting is the basic reason for the difference between Chinese accounting and international accounting and emphasizes that a new accounting theory system should be set up for Chinese accounting in order to suit the development of international accounting.
2003 Vol. 20 (3): 132-134 [
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2525
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135
MAIN WAYS TO INCREASE REVENUE FROM CONSTRUCTION COST FOR CONSTRUCTION ENTERPRISE
WANG Jing-hu
Based on the real situation of railway construction enterprise，the paper describes the main ways to increase revenue from construction cost for construction enterprise from the aspects of contracting construction, enlarging resources of income, supplementing and modifying the terms of construct related to construction cost, strengthening management of acceptance and valuation, accounting of construction cost and paying attention to readjustment of price and claim work. Thisn is the way to increase the economic income for the railway construction enterprise, especially for the professional construction enterprise.
2003 Vol. 20 (3): 135-138 [
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2500
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139
KEY PROBLEMS IN EXECUTION OF INTERNATIONAL ENGINEERING PROJECTS
DENG Fei-xi
Based on the fact that the Chinese construction enterprises will more attend the international competition in order to survive after China's entry into WTO, this paper puts forward wdveral key problems related to contract management, construction claim and human resource management in execution of international engineering projects, enterprises to increase the ability of competition in international market.
2003 Vol. 20 (3): 139-143 [
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2506
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