- 摘 要
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徐紅波
(中鐵七局集團第二工程有限公司，西安710032)[摘要] 隨著混凝土梁橋的不斷推廣和應用，在公路、鐵路項目建設中出現(xiàn)了預應力簡支梁、連續(xù)梁以及連續(xù)剛構等橋梁結構形式。該類梁橋在施工和使用過程中或因質(zhì)量問題或因處置不當致使出現(xiàn)了許多裂縫，影響梁橋美觀，更有甚者影響到使用功能。作為工程技術人員，如何做好裂縫成因分析和預防對策尤為重要。
[關鍵詞] 預應力；混凝土梁橋；裂縫Causes of prestressed concrete girder bridge cracks and countermeasures
Xu Hongbo
(China Railway Seventh Group Second Engineering Co., Ltd., Xi'an 710032, China)Abstract: With the continuous promotion and application of concrete girder bridge, prestressed simply supported beams, continuous beams and continuous rigid frame bridge structure and so on have emerged in road and railway projects. Because of quality problems or improper disposal, there were many cracks, and some cracks even affected the use function. As engineers, it is especially important to analyze the causes of cracks and preventive measures.
Keywords: prestress; concrete girder bridge; crack
