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从1992年5月～1993年5月,在西延铁路刘家沟4×40mPC连续箱梁三线桥上进行的连续顶推新工艺试验并获得了成功。这项新工艺的试验包括:连续顶推动力及传力装置;连续滑道装置。前者由2组YCD200型千斤顶、两套5—7φ~i5钢绞线拉杆和拉锚器组成。每组设2台千斤顶,
From May 1992 to May 1993, the continuous thrusting new technology test was carried out on the 4 × 40mPC continuous box girder third-line bridge of Liujiagou of Xiyan Railway, and the success was achieved. The test of this new technology includes: continuous top-pushing force and force transmission device; continuous chute device. The former consists of two sets of YCD200 jack, two sets of 5-7φ ~ i5 strand rod and pull the anchor composition. Each set of 2 jacks,