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地址:紹興市越城區鳳林西路135號 網站標識碼:08011982號-1 浙ICP備
公安備案號:33060202000049 技術支持:浙江新藍網絡傳媒有限公司
字號:
論文題目: | 球型鑲齒滾刀參數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、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律,并對比分析最優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、刀齒數和貫入度;適用于中風化凝灰巖互層的鉆具參數為轉速12.56 m/s,鉆壓25 kN,刀齒數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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