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【摘 要】
：
介绍了广州经济技术开发区墩头涌桥部分预应力低高度简支结合梁的试验成果、试验工作，包括：预制梁施加预应力阶段的孔道摩阻力及上拱度的测定，灌注桥面以后挠度的应变变化以及结
【机 构】
：
广州经济技术开发区建筑工程质量监督站, 铁道部大桥局桥研所
【出 处】
：
桥梁建设
【发表日期】
：
1994年04期
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