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2010年05 期
| 標(biāo)題 |
| 鐵路32m預(yù)應(yīng)力混凝土簡支梁靜載彎曲抗裂試驗(yàn)(50 卷) |
| 英文標(biāo)題 |
| Static loading test on flexural capacity and crack resistance of railway 32m-span prestressed concrete simply-supported girder |
| 摘要 |
| 對武廣客運(yùn)專線廣州動(dòng)車段工程使用的32 m預(yù)應(yīng)力混凝土簡支梁，分早期和后期各隨機(jī)抽取一片簡支梁進(jìn)行靜載彎曲抗裂試驗(yàn)，以檢驗(yàn)這批簡支梁的質(zhì)量及使用性能。試驗(yàn)表明：兩片試驗(yàn)梁的撓跨比均小于設(shè)計(jì)值，跨中下緣實(shí)測應(yīng)變與荷載基本保持線性關(guān)系，梁體拉應(yīng)力最大區(qū)域仍處于彈 |
| 作者 |
| 新聞作者:荊龍江，王志堅(jiān)，馬 林，李 葳 |
| 關(guān)鍵字 |
