球型鑲齒滾刀參數(shù)對破巖比能影響性研究
        2020-05-06 10:10
        來源: 紹興交投

        字號:

        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(zhuǎn)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(shè)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(jié)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(zhuǎn)速、刀齒數(shù)和貫入度;適用于中風(fēng)化凝灰?guī)r互層的鉆具參數(shù)為轉(zhuǎn)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(guān)鍵詞:

        滾刀破巖;破巖比能;正交試驗;極差分析;方差分析

        正文:

        球型鑲齒滾刀參數(shù)對破巖比能影響性研究.pdf


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        發(fā)表刊物

        (CN或ISSN號):

        《鐵道科學(xué)與工程學(xué)報》(CN:43-1423/U,ISSN:1672-7029),2020年5月第17卷第5期,1287-1294

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