دانستنيهاي حمل ونقل ريلي دانستنيهاي حمل ونقل ريلي
يکشنبه 07 خرداد, 1396

شما اینجاهستید : مطالعات و مقالات
مطالعات و مقالات
تاریخ: 1391/01/20 نظرات: 6 نظر نمایش: 6893 مرتبه تعداد امتیاز: 12   (Article Rating)
دانستنيهاي حمل ونقل ريلي

LRT چيست؟ 

LRT يا Light Rail Transit ، قطار سبك شهري مي‌باشد كه متشكل از يك، دو يا سه واگن كه با نيروي برق در سيري كاملاً حفاظت شده يا نيمه حفاظت شده بصورت عموماً هم سطح، زيرزميني و يا بالاتر از سطح زمين (elevated) حركت مي‌كند و طبق استانداردهاي بين‌المللي، ظرفيت حمل اين نوع سيستم‌ها بين 4000 تا 12000 نفر مسافر در ساعت مي‌باشد. طرح هندسي اينگونه سيستم‌ها به نحوي است كه قطار سبك شهري را قادر مي‌سازد از قوسهاي با شعاع بسيار پايين (25 متر) و شيب و فرازهاي بسيار تند (6 درصد) به راحتي عبور كند. 

مترو (
Metro) چيست؟ 

مترو سيستمي است كه براي جابجايي حجم انبوه‌تري از مسافر مورد استفاده قرار مي‌گيرد و طبق استانداردهاي بين‌المللي، ظرفيت اين نوع سيستم، 12000 تا 40000 نفر مسافر در ساعت مي‌باشد. اين سيستم بصورت كاملاً حفاظت شده و در بافت درون شهري عموماً زيرزميني و در حومه بصورت هم سطح با تعداد حداقل 5 واگن به جابجايي مسافر مي‌پردازد. اين سيستم خود كشش برقي از طريق ريل سوم يا شبكه بالاسري تغذيه مي‌گردد. 


 

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کد: 88
گروه: راه و ترابری
نویسنده خبر: مدير پرتال
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