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In case of carrying out vertical¤ýcrossing water distribution system in expressways or general roads construction, VR(Vibrated and Rolled reinforced concrete) pipes are restricted because of their specification of reinforced spun concrete pipe or on-site made pipe. Therefore, in order to apply VR pipes to those constructions, through the structural behavior experiments of the pipes, VR pipes are compared and verified with reinforced spun concrete pipe and the results are obtained as the following. From the experiments and analyses of Pipe Stiffness(PS) of the pipes, cracking loading is approved to satisfy the KS regulations. Through a direct load test, the cracking loading strength and the maximum load test of VR pipe is larger compared with reinforced spun concrete pipe. Particularly, even if side weld is thin, there is no little change in the cracking strength of VR pipe. The results of the direct load test analysis show that the structural behavior of VR pipe is equivalent or higher compared with reinforced spun concrete pipe in performance and VR pipe could be used as the water distribution pipe for roads. In this study, through pipe stiffness, direct load test and load teat on earth, reinforced spun concrete pipe and VR pipe are compared. And as a result, the structural behavior of VR pipe is comprehensively excellent. From the structural behavior tests, VR pipe's section shows more thickness and has uniform characteristics so that VR pipe is considered more favorable than reinforced spun concrete pipe.
High efficiency of construction. (Connecting with rubber ring by socket type so high intensity of work)
Economical (low cost of management and maintenance because of excellent endurance and outer-intensity. High corrosion resistance)
Comfortable construction, and curtailment of manpower.
(Existing color type pipe treats connecting part with cement mortar but V.R pipe constructs by socket type rubber ring, so low cost of manpower and construction)
High intensity products which has excellent endurance.
( Excellent intensity giving vibration, voltage by inputting the dry-type concrete (W/C 0.35 ~ 0.38 ), and no dehydration, no material separation, a close and equal products section structure)
Friendly products of protection from pollution, and high water-density.
(Can prevent water leakage by rubber ring, and prevent the pollution of soil)
Production of sewerage color (dark brown) by construction management instruction of environmental department.
Minimum of flow resistance by low density indicator.
(Low density indicator, so high water quantity passage.)
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