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論文題目: | 球型鑲齒滾刀參數(shù)對破巖比能影響性研究 |
論文類別: | CSCD核心 |
單位及作者: | 浙江紹金高速公路有限公司 侯義輝 |
論文摘要: | 研究球型鑲齒滾刀破巖過程中刀盤轉速、鉆壓、鑲齒數(shù)、刀盤間距以及貫入度5 種因素對破巖比能的影響,利用ABAQUS 有限元計算軟件,建立雙排滾刀直線切割圍巖的動力顯式模型;基于正交試驗法,設置五因素四水平正交試驗L16(45),通過極差分析和方差分析找出不同因素變化對破巖比能的影響規(guī)律,并對比分析最優(yōu)組合和最不利工況下滾刀滾動力和破巖效果。研究結果表明:影響滾刀破巖比能因素的主次順序依次是鉆壓、刀盤排距、轉速、刀齒數(shù)和貫入度;適用于中風化凝灰?guī)r互層的鉆具參數(shù)為轉速12.56 m/s,鉆壓25 kN,刀齒數(shù)34 個,刀盤排距35 mm,貫入度1 mm,此時的破巖比能為0.382 8 MJ/m3,優(yōu)化效果較好。 |
關鍵詞: | 滾刀破巖;破巖比能;正交試驗;極差分析;方差分析 |
正文: | |
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發(fā)表刊物 (CN或ISSN號): | 《鐵道科學與工程學報》(CN:43-1423/U,ISSN:1672-7029),2020年5月第17卷第5期,1287-1294 |
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地址:紹興市越城區(qū)鳳林西路135號 網(wǎng)站標識碼:08011982號-1 浙ICP備
公安備案號:33060202000049 技術支持:浙江新藍網(wǎng)絡傳媒有限公司
紹興交投
微信公眾號紹興交投
視頻號紹興交投
抖音號紹興公交集團
抖音號紹興行掌上公交
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抖音越高速
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