中文摘要：

以云南省一条高速公路上的两座半整体式无缝实桥为例从设计、施工、经济和运营等方面对其进行对比分析．结果表明：两者均消除了桥梁伸缩装置问题，均具有经济、行驶顺畅等优势，在100m温度跨长范围内，半整体式全无缝桥梁更具优势．

英文摘要：

This paper made a comparative study in design, construction, finance and operation of two pointless bridges on a highway in Yunnan Province. Results show that joinfless bridges is a good solution to deck joints related problems, which boasts low cost and smooth ride. For bridges within the span range of 100 meters, jointless semi-integral bridges prevail.