Abstract：Research purposes: Turnout is absolutely necessary for urban rail transit, so the high construction quality can guarantee steady system operation and reduce maintain workload and prolong repair cycle. The article describes turnout monolithic track bed construction in underground and elevated track, and then does some study toward this.
Research methods: First, the author collects relevant materials, and then investigates circumstance. In the end, the author sums up a suit of construction methods and quality master measures.
Research results: The article describes construction of single turnout, crossover, scissors crossing, such as, survey of basic sign, construction difficulty, construction process, construction scheme, construction quality master and construction equipment(including mini-jack).Then the author brings out the problems and relevant analysis.
Research conclusions: Urban track transit is a suit of systems engineering. Track transfixion is one great mark of urban track transit engineering completion. Turnout monolithic track bed is key to track engineering, so track builder should seize construction difficulty, adopt logical construction scheme, use advanced equipment, carry out staggered quality master program strictly and insure construction quality. And also, the people should plan as a whole; do former preparation and later cooperation well to insure construction quality.
2006, Vol. 23 
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