Article(id=1240631738536349711, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631729627648823, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2024.03.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1701878400000, receivedDateStr=2023-12-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773719256290, onlineDateStr=2026-03-17, pubDate=1717171200000, pubDateStr=2024-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773719256290, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773719256290, creator=13701087609, updateTime=1773719256290, updator=13701087609, issue=Issue{id=1240631729627648823, tenantId=1146029695717560320, journalId=1235980550691926019, year='2024', volume='44', issue='3', pageStart='1', pageEnd='181', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773719254166, creator=13701087609, updateTime=1773724083554, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1240651985603580488, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631729627648823, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1240651985603580489, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631729627648823, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=34, endPage=37, ext={EN=ArticleExt(id=1240631738859311131, articleId=1240631738536349711, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Parameter Selection Model Based on Random Forest Algorithm for Smooth Blasting in Tunnel (Roadway) Excavation, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=
In order to solve the problem of parameter selection for smooth blasting in tunnel/roadway excavation, a parameter selection model based on random forest algorithm was constructed. The input parameters in the model include quality classification BQ of surrounding rock, tunnel (roadway) section area and borehole diameter, and the output parameters include minimum burden, borehole spacing and borehole depth. Then, 24 training samples and 7 test samples were used for training and testing of model, and the results show that the relative errors between the output parameters of borehole spacing, minimum burden, borehole depth and the corresponding parameters of test samples are 17%, 8.8% and 22% respectively on average, indicating that the model is good in selecting minimum burden, but less effective in selecting blasthole spacing and blasthole depth.
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为解决隧(巷)道光面爆破中参数选择困难的问题,构建了基于随机森林算法的隧(巷)道光面爆破参数选择模型。模型以围岩质量分级BQ、隧(巷)道断面面积、炮眼直径为输入参数,以最小抵抗线长度、炮眼间距、炮眼深度为输出参数。使用了24个训练样本、7个测试样本进行模型训练及测试,结果表明,炮眼间距、最小抵抗线长度、炮眼深度3个输出参数值与测试样本对应参数值之间的平均相对误差分别为17%、8.8%、22%,可见模型对于最小抵抗线长度的选择效果较好,对炮眼间距、炮眼深度的选择效果欠佳。
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, authorsList=侯胜心, 马晶晶, 唐虹靖, 李应方, 田军, 李麟, 李启月)}, authors=[Author(id=1240651350317518934, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631738536349711, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=houshengxin005@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1240651350485291115, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631738536349711, authorId=1240651350317518934, language=EN, stringName=Shengxin HOU, firstName=Shengxin, middleName=null, lastName=HOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Tibet Zhongjinxinlian Blasting Engineer Co Ltd, Lhasa 851500, Xizang, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1240651350602731638, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631738536349711, authorId=1240651350317518934, language=CN, stringName=侯胜心, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.西藏中金新联爆破工程有限公司,西藏 拉萨 851500, bio={"content":"
侯胜心(1993—),男,黑龙江佳木斯人,助理工程师,主要从事爆破工程、矿山工程施工等工作。E-mail:houshengxin005@163.com
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侯胜心(1993—),男,黑龙江佳木斯人,助理工程师,主要从事爆破工程、矿山工程施工等工作。E-mail:houshengxin005@163.com
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2.School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1240651352930570621, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631738536349711, authorId=1240651352695689564, language=CN, stringName=李启月, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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51(5): 126-131., articleTitle=随机森林中树的数量, refAbstract=null)], funds=[Fund(id=1240651356613169911, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631738536349711, awardId=2018A03003, language=CN, fundingSource=新疆维吾尔自治区重大科技专项(2018A03003), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1240651350040694833, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631738536349711, xref=1., ext=[AuthorCompanyExt(id=1240651350049083442, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631738536349711, companyId=1240651350040694833, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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| 序号 | X1 | X2 | X3 | Y1 | Y2 | Y3 |
|---|
| 1 | 2 | 40.21 | 48 | 61.5 | 78.5 | 2.9 |
| 2 | 2 | 43.67 | 40 | 62.5 | 75 | 3 |
| 3 | 3 | 50 | 50 | 58 | 68 | 1.8 |
| 4 | 1 | 6.25 | 40 | 45 | 56 | 2.3 |
| 5 | 4 | 13.35 | 41 | 33.5 | 45.5 | 1 |
| 6 | 4 | 14.4 | 40 | 42 | 50 | 1 |
| 7 | 4 | 32 | 40 | 41 | 55 | 1 |
| 8 | 1 | 96.2 | 48 | 50 | 70 | 5 |
| 9 | 1 | 60.4 | 48 | 50 | 65.5 | 5 |
| 10 | 3 | 50 | 43 | 50 | 60 | 1.6 |
| 11 | 4 | 23 | 42 | 32.5 | 50 | 1.1 |
| 12 | 2 | 42.0 | 42 | 62.5 | 68 | 2.25 |
| 13 | 5 | 45.9 | 42 | 80 | 70 | 2.5 |
| 14 | 3 | 48.3 | 42 | 57.5 | 70 | 1.2 |
| 15 | 3 | 49.0 | 42 | 60 | 55 | 1.2 |
| 16 | 3 | 46.4 | 42 | 60 | 70 | 2.45 |
| 17 | 1 | 41.7 | 42 | 55 | 49.5 | 1.8 |
| 18 | 1 | 40.9 | 42 | 62 | 75 | 1.5 |
| 19 | 3 | 47.6 | 42 | 50 | 55 | 1.35 |
| 20 | 3 | 48.2 | 42 | 45 | 45 | 1.655 |
| 21 | 4 | 44.7 | 42 | 32.5 | 32.5 | 1.75 |
| 22 | 5 | 17.3 | 42 | 59 | 75 | 1.3 |
| 23 | 2 | 32.2 | 42 | 55 | 65 | 2 |
| 24 | 3 | 26.4 | 46.5 | 53 | 70 | 2.3 |
| 25 | 2 | 40 | 44 | 70 | 75 | 2.5 |
| 26 | 4 | 15.3 | 40 | 37 | 50 | 1.1 |
| 27 | 2 | 46.35 | 42 | 62 | 75 | 3.5 |
| 28 | 3 | 42.94 | 42 | 47.5 | 55 | 2 |
| 29 | 3 | 18.10 | 40 | 55 | 70 | 1.3 |
| 30 | 4 | 17.35 | 42 | 59 | 60 | 1.4 |
| 31 | 3 | 32.2 | 40 | 65 | 70 | 4 |
), ArticleFig(id=1240651355476513421, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631738536349711, language=CN, label=表1, caption=
原始样本集
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| 序号 | X1 | X2 | X3 | Y1 | Y2 | Y3 |
|---|
| 1 | 2 | 40.21 | 48 | 61.5 | 78.5 | 2.9 |
| 2 | 2 | 43.67 | 40 | 62.5 | 75 | 3 |
| 3 | 3 | 50 | 50 | 58 | 68 | 1.8 |
| 4 | 1 | 6.25 | 40 | 45 | 56 | 2.3 |
| 5 | 4 | 13.35 | 41 | 33.5 | 45.5 | 1 |
| 6 | 4 | 14.4 | 40 | 42 | 50 | 1 |
| 7 | 4 | 32 | 40 | 41 | 55 | 1 |
| 8 | 1 | 96.2 | 48 | 50 | 70 | 5 |
| 9 | 1 | 60.4 | 48 | 50 | 65.5 | 5 |
| 10 | 3 | 50 | 43 | 50 | 60 | 1.6 |
| 11 | 4 | 23 | 42 | 32.5 | 50 | 1.1 |
| 12 | 2 | 42.0 | 42 | 62.5 | 68 | 2.25 |
| 13 | 5 | 45.9 | 42 | 80 | 70 | 2.5 |
| 14 | 3 | 48.3 | 42 | 57.5 | 70 | 1.2 |
| 15 | 3 | 49.0 | 42 | 60 | 55 | 1.2 |
| 16 | 3 | 46.4 | 42 | 60 | 70 | 2.45 |
| 17 | 1 | 41.7 | 42 | 55 | 49.5 | 1.8 |
| 18 | 1 | 40.9 | 42 | 62 | 75 | 1.5 |
| 19 | 3 | 47.6 | 42 | 50 | 55 | 1.35 |
| 20 | 3 | 48.2 | 42 | 45 | 45 | 1.655 |
| 21 | 4 | 44.7 | 42 | 32.5 | 32.5 | 1.75 |
| 22 | 5 | 17.3 | 42 | 59 | 75 | 1.3 |
| 23 | 2 | 32.2 | 42 | 55 | 65 | 2 |
| 24 | 3 | 26.4 | 46.5 | 53 | 70 | 2.3 |
| 25 | 2 | 40 | 44 | 70 | 75 | 2.5 |
| 26 | 4 | 15.3 | 40 | 37 | 50 | 1.1 |
| 27 | 2 | 46.35 | 42 | 62 | 75 | 3.5 |
| 28 | 3 | 42.94 | 42 | 47.5 | 55 | 2 |
| 29 | 3 | 18.10 | 40 | 55 | 70 | 1.3 |
| 30 | 4 | 17.35 | 42 | 59 | 60 | 1.4 |
| 31 | 3 | 32.2 | 40 | 65 | 70 | 4 |
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| 爆破参数 | 最佳回归树数量k |
|---|
| 周边眼间距 | 948 |
| 最小抵抗线长度 | 919 |
| 炮眼深度 | 87 |
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各爆破参数对应的最佳回归树数量
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| 爆破参数 | 最佳回归树数量k |
|---|
| 周边眼间距 | 948 |
| 最小抵抗线长度 | 919 |
| 炮眼深度 | 87 |
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| 样本编号 | 周边眼间距/cm | 最小抵抗线长度/cm | 炮眼深度/m |
|---|
| 实际值 | 预测值 | 实际值 | 预测值 | 实际值 | 预测值 |
|---|
| 1 | 70 | 57.24 | 75 | 67.39 | 2.5 | 2.25 |
| 2 | 65 | 52.24 | 70 | 63.09 | 4 | 1.55 |
| 3 | 62 | 61.48 | 75 | 69.73 | 3.5 | 2.27 |
| 4 | 37 | 41.12 | 50 | 50.37 | 1.1 | 1.02 |
| 5 | 59 | 36.55 | 60 | 50.77 | 1.4 | 1.16 |
| 6 | 55 | 49.11 | 70 | 60.13 | 1.3 | 1.30 |
| 7 | 47.5 | 58.25 | 55 | 57.44 | 2 | 1.51 |
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各参数模型预测值与实际值对比
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| 样本编号 | 周边眼间距/cm | 最小抵抗线长度/cm | 炮眼深度/m |
|---|
| 实际值 | 预测值 | 实际值 | 预测值 | 实际值 | 预测值 |
|---|
| 1 | 70 | 57.24 | 75 | 67.39 | 2.5 | 2.25 |
| 2 | 65 | 52.24 | 70 | 63.09 | 4 | 1.55 |
| 3 | 62 | 61.48 | 75 | 69.73 | 3.5 | 2.27 |
| 4 | 37 | 41.12 | 50 | 50.37 | 1.1 | 1.02 |
| 5 | 59 | 36.55 | 60 | 50.77 | 1.4 | 1.16 |
| 6 | 55 | 49.11 | 70 | 60.13 | 1.3 | 1.30 |
| 7 | 47.5 | 58.25 | 55 | 57.44 | 2 | 1.51 |
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| 评估指标 | 周边眼间距/cm | 最小抵抗线长度/cm | 炮眼深度/m |
|---|
| MSE | 142.46 | 46.02 | 1.13 |
| r | 0.40 | 0.89 | 0.67 |
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各爆破参数模型选择性能评估值
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| 评估指标 | 周边眼间距/cm | 最小抵抗线长度/cm | 炮眼深度/m |
|---|
| MSE | 142.46 | 46.02 | 1.13 |
| r | 0.40 | 0.89 | 0.67 |
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