Abstract：Research purposes：Through analyses of the route plan and profile of the continued project of Dalian rapid rail line 3 and in combination with the carrying capacity of the line requirement and signal equipment as well as according to the passenger volume requirement, the traction simulation calculation is made, and based on the calculation results, the transportation capacity and reasonable divisional location of signal are designed for the purpose of guaranteeing the safety of the train on the No.3 rapid rail line.
Research conclusions：Through the simulation calculation, the highest train speed of the No.3 rapid rail line is 79 km/h and the biggest braking distance is 657 m. However, considering the necessary safe distance, the maximum blocking section length will be 700m that can satisfy the requirement of train operation, and considering the requirements of the train returning and the train speed, the minimum blocking section length around the kaifaqu Station will be 200m that can satisfy the requirement. With fixed automatic block, the speed grade of signal equipment should be consistent with the train speed without limitation of the normal train operation for increasing the train speed.
王海涛. 大连快轨3号线续建工程区间信号设计[J]. 铁道工程学报, 2009, 26(4): 96-99.
WANG Hai-tao. Design of Interval Signal for Continued Project of Dalian Rapid Rail Line 3. 铁道工程学报, 2009, 26(4): 96-99.
2009, Vol. 26 
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