一、索塔构造概况济南黄河公路大桥的索塔为A形门式立体结构,其在顺桥向为A形,在横桥向为门式。(图1,图2)塔身全高68.4米(从承台顶面算起)。索塔与承台固结,与主梁分离。整个索塔设有六道联系梁,其中:上横梁一道,中横梁一道,下横梁两道,下纵梁两道。上横梁断面为b×h=0.8×1.5m,中横梁断面为b×h=1×2.5m,下横梁、下纵梁断面均为b×h=1×3m。索塔在中横梁以上部分为两根直柱,断面为 First, the pylon structure overview Jinan Yellow River Bridge tower for the A-shaped door-shaped three-dimensional structure, which is in the A-shaped bridge along the bridge, in the horizontal bridge for the portal. (Figure 1, Figure 2) The tower height of 68.4 meters (from the top of the cap count). Pylon tower and cap consolidation, separated from the main beam. The entire tower with six contact beams, including: one on the beam, a beam in the next two beams, two beams. B × h = 0.8 × 1.5m for the cross member, b × h = 1 × 2.5m for the cross member, and b × h = 1 × 3m for the lower and lower longitudinal members. Pylon in the above part of the beam for the two straight columns, section is