Article(id=1241321701208814448, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241321691524158287, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2025.02.004, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1728662400000, receivedDateStr=2024-10-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773883756210, onlineDateStr=2026-03-19, pubDate=1743436800000, pubDateStr=2025-04-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773883756210, onlineIssueDateStr=2026-03-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773883756210, creator=13701087609, updateTime=1773883756210, updator=13701087609, issue=Issue{id=1241321691524158287, tenantId=1146029695717560320, journalId=1235980550691926019, year='2025', volume='45', issue='2', pageStart='1', pageEnd='204', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773883753901, creator=13701087609, updateTime=1773884632018, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241325374676726363, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241321691524158287, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241325374676726364, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241321691524158287, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=20, endPage=25, ext={EN=ArticleExt(id=1241321701607273374, articleId=1241321701208814448, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Application of INRBO-SVM Model in Predicting Slope Safety Factors, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=
Aiming at addressing the difficulty in selecting parameters for the support vector machine (SVM) model in predicting slope safety factors, a Newton-Raphson Backtracking Optimization (NRBO) algorithm was optimized to assist the SVM model in rapidly selecting appropriate hyperparameters. The NRBO algorithm was improved by introducing a dynamic opposition-based learning strategy, horizontal and vertical crossover strategies, and a modified adaptive coefficient calculation formula, so as to construct an INRBO-SVM model for predicting slope safety factors. Six factors, including bulk density, cohesion, internal friction angle, slope angle, slope height and pore water pressure ratio, were selected as model inputs, with the safety factor as the output. The trained INRBO-SVM model, NRBO-SVM model, SVM model and RBF model were used to predict the safety factors of nine test samples. The results show that the INRBO-SVM model exhibits the best performance in safety factor prediction, with a correlation coefficient of 0.999 9, higher than those of the other models. Its root-mean-square error and mean absolute error are significantly lower than those of the other models. Engineering application results indicate that the prediction errors of the INRBO-SVM model for safety factors are all less than 10%, with most below 5%, confirming the accuracy and practical application value of the model in predicting safety factors.
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针对支持向量机(SVM)模型在预测边坡安全系数中选取参数困难的问题,优化牛顿-拉夫逊算法(NRBO)帮助SVM模型快速选取适当的超参数。引入动态反向学习策略、横向与纵向交叉策略和修正自适应系数计算公式对NRBO算法进行改进,构建INRBO-SVM边坡安全系数预测模型。选取容重、黏聚力、内摩擦角、边坡角、边坡高度和孔隙水压比6个因素为模型输入,安全系数为输出,将训练后的INRBO-SVM模型、NRBO-SVM模型、SVM模型、RBF模型对9组测试样本进行安全系数预测。结果表明:INRBO-SVM模型安全系数预测性能最好,相关系数R2为0.999 9,高于其他模型;均方根误差和平均绝对误差均显著低于其他模型。工程应用结果表明,INRBO-SVM模型的安全系数预测误差均小于10%,大部分低于5%,证实了该模型预测安全系数的准确性以及实际应用价值。
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1.昆明理工大学 公共安全与应急管理学院,云南 昆明 650093, bio={"content":"
熊朝林(1998—),男,云南昭通人,硕士研究生,主要研究方向为岩土安全。E-mail:xcl178a@126.com
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熊朝林(1998—),男,云南昭通人,硕士研究生,主要研究方向为岩土安全。E-mail:xcl178a@126.com
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2023., articleTitle=Optimization study of slope stability prediction model based on machine learning, refAbstract=null)], funds=[Fund(id=1241327683645264229, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, awardId=U1602232, language=CN, fundingSource=国家自然科学基金联合项目(U1602232), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241327675067913004, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, xref=1., ext=[AuthorCompanyExt(id=1241327675093078829, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, companyId=1241327675067913004, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Faculty of Public Safety and Emergency Management, Kunming University of Science and Technology, Kunming 650093, Yunnan, China), AuthorCompanyExt(id=1241327675101467439, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, companyId=1241327675067913004, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.昆明理工大学 公共安全与应急管理学院,云南 昆明 650093)]), AuthorCompany(id=1241327675235685180, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, xref=2., ext=[AuthorCompanyExt(id=1241327675244073788, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, companyId=1241327675235685180, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China), AuthorCompanyExt(id=1241327675248268093, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, companyId=1241327675235685180, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.昆明理工大学 国土资源工程学院,云南 昆明 650093)])], figs=[ArticleFig(id=1241327679295770675, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Fig.1, caption=
Variation trend of δ1 during iteration process, figureFileSmall=qJW/OMZrjWiJkjLbRP4AHg==, figureFileBig=jbqO3gxGoohYeGry3SsbWQ==, tableContent=null), ArticleFig(id=1241327679417405505, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=图1, caption=
迭代过程中δ1的变化趋势, figureFileSmall=qJW/OMZrjWiJkjLbRP4AHg==, figureFileBig=jbqO3gxGoohYeGry3SsbWQ==, tableContent=null), ArticleFig(id=1241327679530651728, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Fig.2, caption=
Pearson's correlation heatmaps, figureFileSmall=JNCEPi9yAUKF/DMbIew1kA==, figureFileBig=hBcq19T3IS+kN82ziWKQxA==, tableContent=null), ArticleFig(id=1241327679627120734, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=图2, caption=
特征皮尔逊相关性热图, figureFileSmall=JNCEPi9yAUKF/DMbIew1kA==, figureFileBig=hBcq19T3IS+kN82ziWKQxA==, tableContent=null), ArticleFig(id=1241327679748755559, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Fig.3, caption=
Construction steps of INRBO-SVM model, figureFileSmall=MCUHzL4a1w4Dc9Ay/gJw1g==, figureFileBig=KG5qgY+s8nl+Hmoz/8EIfw==, tableContent=null), ArticleFig(id=1241327679891361914, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=图3, caption=
INRBO-SVM模型构建步骤, figureFileSmall=MCUHzL4a1w4Dc9Ay/gJw1g==, figureFileBig=KG5qgY+s8nl+Hmoz/8EIfw==, tableContent=null), ArticleFig(id=1241327679996219525, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Fig.4, caption=
Convergence curves of two models, figureFileSmall=l283pPcJb3jBTsmftNNjSA==, figureFileBig=f98lT9D24CEBRp6HMVe/mQ==, tableContent=null), ArticleFig(id=1241327680080105616, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=图4, caption=
两个模型的收敛曲线, figureFileSmall=l283pPcJb3jBTsmftNNjSA==, figureFileBig=f98lT9D24CEBRp6HMVe/mQ==, tableContent=null), ArticleFig(id=1241327680210129059, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Fig.5, caption=
Comparison of predicted result by INRBO-SVM model and actual value, figureFileSmall=BxxxSXK8oe3D34/DE4gH+Q==, figureFileBig=VWV7ydPOzrhCOOUT7GqWzQ==, tableContent=null), ArticleFig(id=1241327680310792368, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=图5, caption=
INRBO-SVM模型预测结果与实际值对比, figureFileSmall=BxxxSXK8oe3D34/DE4gH+Q==, figureFileBig=VWV7ydPOzrhCOOUT7GqWzQ==, tableContent=null), ArticleFig(id=1241327680398872763, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Fig.6, caption=
Comparison between predicted values by each model and actual values of safety factor, figureFileSmall=WhwPbhm6JoC6sQeQIEpleQ==, figureFileBig=12EquR+rDiMUUKCED9fxYw==, tableContent=null), ArticleFig(id=1241327680549867718, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=图6, caption=
各模型安全系数预测值与实际值对比, figureFileSmall=WhwPbhm6JoC6sQeQIEpleQ==, figureFileBig=12EquR+rDiMUUKCED9fxYw==, tableContent=null), ArticleFig(id=1241327682013679828, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Fig.7, caption=
IAE of predicted results of different models, figureFileSmall=5tLR9U89G32LOGBA5k9N4Q==, figureFileBig=hOPsH3wdUW9Rt2wtcCZfmw==, tableContent=null), ArticleFig(id=1241327682118537440, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=图7, caption=
各模型预测结果的IAE(a)INRBO-SVM模型;(b)NRBO-SVM模型;(c)SVM模型;(d)RBF模型
, figureFileSmall=5tLR9U89G32LOGBA5k9N4Q==, figureFileBig=hOPsH3wdUW9Rt2wtcCZfmw==, tableContent=null), ArticleFig(id=1241327682223395054, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Table 1, caption=
Test results of benchmark function
, figureFileSmall=null, figureFileBig=null, tableContent=
| 函数 | 名称 | 指标 | INRBO | NRBO | PSO | SSA | WOA |
|---|
| f1 | Sphere | 平均值 | 1.176×10-277 | 2.869×10-282 | 3.430×102 | 6.734×10-55 | 3.032×10-76 |
| 标准差 | 0 | 0 | 1.716×102 | 2.860×10-54 | 9.918×10-76 |
| 最优值 | 0 | 1.694×10-297 | 8.096×101 | 4.872×10-190 | 6.842×10-87 |
| f2 | Schwefel 2.22 | 平均值 | 1.161×10-168 | 6.940×10-141 | 1.523×101 | 1.550×10-34 | 7.703×10-51 |
| 标准差 | 0 | 2.513×10-140 | 7.896 | 5.458×10-34 | 3.754×10-50 |
| 最优值 | 4.459×10-210 | 4.167×10-148 | 6.733 | 0 | 1.829×10-59 |
| f3 | Quartic | 平均值 | 3.978×10-5 | 2.510×10-4 | 2.072 | 1.638×10-3 | 3.558×10-3 |
| 标准差 | 2.617×10-5 | 2.493×10-4 | 4.586 | 1.678×10-3 | 4.125×10-3 |
| 最优值 | 5.854×10-7 | 8.609×10-6 | 5.601×10-2 | 1.186×10-4 | 1.579×10-4 |
| f4 | Schwefel's Problem 2.26 | 平均值 | -1.257×104 | -4.912×103 | -7.508×103 | -8.526×103 | -1.012×104 |
| 标准差 | 1.940×10-12 | 7.752×102 | 7.448×102 | 7.579×102 | 1.989×103 |
| 最优值 | -1.257×104 | -7.084×103 | -9.332×103 | -1.057×104 | -1.257×104 |
| f5 | Griewank's | 平均值 | 1.571×10-32 | 2.754×10-1 | 5.838 | 2.801×10-12 | 2.458×10-2 |
| 标准差 | 5.567×10-48 | 8.083×10-2 | 2.609 | 7.709×10-12 | 2.599×10-2 |
| 最优值 | 1.571×10-32 | 1.567×10-1 | 1.688 | 7.647×10-16 | 7.971×10-3 |
| f6 | Kowalik's | 平均值 | 3.380×10-4 | 1.255×10-3 | 5.832×10-3 | 3.326×10-4 | 8.347×10-4 |
| 标准差 | 1.672×10-4 | 3.633×10-3 | 7.780×10-3 | 7.676×10-5 | 5.619×10-4 |
| 最优值 | 3.075×10-4 | 3.075×10-4 | 7.959×10-4 | 3.075×10-4 | 3.168×10-4 |
), ArticleFig(id=1241327682386972921, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=表1, caption=
基准函数测试结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 函数 | 名称 | 指标 | INRBO | NRBO | PSO | SSA | WOA |
|---|
| f1 | Sphere | 平均值 | 1.176×10-277 | 2.869×10-282 | 3.430×102 | 6.734×10-55 | 3.032×10-76 |
| 标准差 | 0 | 0 | 1.716×102 | 2.860×10-54 | 9.918×10-76 |
| 最优值 | 0 | 1.694×10-297 | 8.096×101 | 4.872×10-190 | 6.842×10-87 |
| f2 | Schwefel 2.22 | 平均值 | 1.161×10-168 | 6.940×10-141 | 1.523×101 | 1.550×10-34 | 7.703×10-51 |
| 标准差 | 0 | 2.513×10-140 | 7.896 | 5.458×10-34 | 3.754×10-50 |
| 最优值 | 4.459×10-210 | 4.167×10-148 | 6.733 | 0 | 1.829×10-59 |
| f3 | Quartic | 平均值 | 3.978×10-5 | 2.510×10-4 | 2.072 | 1.638×10-3 | 3.558×10-3 |
| 标准差 | 2.617×10-5 | 2.493×10-4 | 4.586 | 1.678×10-3 | 4.125×10-3 |
| 最优值 | 5.854×10-7 | 8.609×10-6 | 5.601×10-2 | 1.186×10-4 | 1.579×10-4 |
| f4 | Schwefel's Problem 2.26 | 平均值 | -1.257×104 | -4.912×103 | -7.508×103 | -8.526×103 | -1.012×104 |
| 标准差 | 1.940×10-12 | 7.752×102 | 7.448×102 | 7.579×102 | 1.989×103 |
| 最优值 | -1.257×104 | -7.084×103 | -9.332×103 | -1.057×104 | -1.257×104 |
| f5 | Griewank's | 平均值 | 1.571×10-32 | 2.754×10-1 | 5.838 | 2.801×10-12 | 2.458×10-2 |
| 标准差 | 5.567×10-48 | 8.083×10-2 | 2.609 | 7.709×10-12 | 2.599×10-2 |
| 最优值 | 1.571×10-32 | 1.567×10-1 | 1.688 | 7.647×10-16 | 7.971×10-3 |
| f6 | Kowalik's | 平均值 | 3.380×10-4 | 1.255×10-3 | 5.832×10-3 | 3.326×10-4 | 8.347×10-4 |
| 标准差 | 1.672×10-4 | 3.633×10-3 | 7.780×10-3 | 7.676×10-5 | 5.619×10-4 |
| 最优值 | 3.075×10-4 | 3.075×10-4 | 7.959×10-4 | 3.075×10-4 | 3.168×10-4 |
), ArticleFig(id=1241327682533773572, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Table 2, caption=
Original sample database
, figureFileSmall=null, figureFileBig=null, tableContent=
| 容重/(kN·m-3) | 黏聚力/MPa | 内摩擦角/(°) | 边坡角/(°) | 边坡高度/m | 孔隙水压比 | 安全系数 |
|---|
| 18.5 | 25 | 0 | 30 | 6 | 0.15 | 1.09 |
| 25 | 46 | 35 | 47 | 443 | 0.25 | 1.28 |
| 25 | 55 | 36 | 45.5 | 299 | 0.25 | 1.52 |
| 27 | 40 | 35 | 47.1 | 292 | 0.25 | 1.15 |
| 27 | 35 | 35 | 42 | 359 | 0.25 | 1.27 |
| 10 | 39.81 | 20.36 | 0.98 | 32.5 | 0.70 | 1.01 |
| 50 | 45 | 20 | 0 | 36 | 0.25 | 0.79 |
| 20 | 0 | 36 | 45 | 50 | 0.25 | 0.79 |
| 19 | 30 | 35 | 35 | 11 | 0.20 | 2.00 |
| 19.63 | 11.97 | 20 | 22 | 12.19 | 0.405 | 1.35 |
| ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ |
| 25 | 46 | 35 | 47 | 443 | 0.25 | 1.28 |
), ArticleFig(id=1241327682672185615, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=表2, caption=
原始样本数据库
, figureFileSmall=null, figureFileBig=null, tableContent=
| 容重/(kN·m-3) | 黏聚力/MPa | 内摩擦角/(°) | 边坡角/(°) | 边坡高度/m | 孔隙水压比 | 安全系数 |
|---|
| 18.5 | 25 | 0 | 30 | 6 | 0.15 | 1.09 |
| 25 | 46 | 35 | 47 | 443 | 0.25 | 1.28 |
| 25 | 55 | 36 | 45.5 | 299 | 0.25 | 1.52 |
| 27 | 40 | 35 | 47.1 | 292 | 0.25 | 1.15 |
| 27 | 35 | 35 | 42 | 359 | 0.25 | 1.27 |
| 10 | 39.81 | 20.36 | 0.98 | 32.5 | 0.70 | 1.01 |
| 50 | 45 | 20 | 0 | 36 | 0.25 | 0.79 |
| 20 | 0 | 36 | 45 | 50 | 0.25 | 0.79 |
| 19 | 30 | 35 | 35 | 11 | 0.20 | 2.00 |
| 19.63 | 11.97 | 20 | 22 | 12.19 | 0.405 | 1.35 |
| ︙ | ︙ | ︙ | ︙ | ︙ | ︙ | ︙ |
| 25 | 46 | 35 | 47 | 443 | 0.25 | 1.28 |
), ArticleFig(id=1241327682798014749, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Table 3, caption=
Relative errors of different models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本编号 | INRBO-SVM | NRBO-SVM | SVM | RBF |
|---|
| 1 | 0.15 | 1.52 | 4.11 | 4.13 |
| 2 | 0.09 | 0.90 | 2.06 | 15.08 |
| 3 | 0.14 | 2.62 | 2.41 | 7.64 |
| 4 | 0.18 | 1.32 | 3.12 | 24.70 |
| 5 | 0.18 | 1.86 | 3.02 | 40.02 |
| 6 | 0.11 | 0.85 | 1.88 | 4.98 |
| 7 | 0.18 | 1.84 | 15.57 | 25.16 |
| 8 | 0.69 | 1.16 | 0.72 | 8.05 |
| 9 | 0.17 | 1.55 | 2.95 | 19.99 |
), ArticleFig(id=1241327682911260965, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=表3, caption=
各模型相对误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样本编号 | INRBO-SVM | NRBO-SVM | SVM | RBF |
|---|
| 1 | 0.15 | 1.52 | 4.11 | 4.13 |
| 2 | 0.09 | 0.90 | 2.06 | 15.08 |
| 3 | 0.14 | 2.62 | 2.41 | 7.64 |
| 4 | 0.18 | 1.32 | 3.12 | 24.70 |
| 5 | 0.18 | 1.86 | 3.02 | 40.02 |
| 6 | 0.11 | 0.85 | 1.88 | 4.98 |
| 7 | 0.18 | 1.84 | 15.57 | 25.16 |
| 8 | 0.69 | 1.16 | 0.72 | 8.05 |
| 9 | 0.17 | 1.55 | 2.95 | 19.99 |
), ArticleFig(id=1241327683037090099, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Table 4, caption=
Evaluation metrics of different models
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| 模型 | R2 | RMSE | MAE |
|---|
| INRBO-SVM | 0.999 9 | 0.003 7 | 0.002 6 |
| NRBO-SVM | 0.996 3 | 0.018 8 | 0.017 9 |
| SVM | 0.962 9 | 0.058 1 | 0.043 4 |
| RBF | 0.763 8 | 0.146 4 | 0.120 9 |
), ArticleFig(id=1241327683141947707, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=表4, caption=
不同模型的评价指标
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| 模型 | R2 | RMSE | MAE |
|---|
| INRBO-SVM | 0.999 9 | 0.003 7 | 0.002 6 |
| NRBO-SVM | 0.996 3 | 0.018 8 | 0.017 9 |
| SVM | 0.962 9 | 0.058 1 | 0.043 4 |
| RBF | 0.763 8 | 0.146 4 | 0.120 9 |
), ArticleFig(id=1241327683234222404, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=EN, label=Table 5, caption=
Comparison of predicted results
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| 编号 | 容重/(kN·m-3) | 黏聚力/MPa | 内摩擦角/(°) | 边坡角/(°) | 边坡高度/m | 孔隙水压力 | 原始安全系数 | 安全系数预测值 | 相对误差/% |
|---|
| 1 | 26.81 | 200 | 35 | 58 | 138 | 0.25 | 1.55 | 1.551 5 | 0.09 |
| 2 | 26.57 | 300 | 38.7 | 45.3 | 80 | 0.15 | 0.972 | 0.970 8 | 0.12 |
| 3 | 26.78 | 300 | 38.7 | 54 | 155 | 0.25 | 0.70 | 0.688 6 | 1.63 |
| 4 | 31.3 | 68 | 37 | 46 | 366 | 0.25 | 1.35 | 1.328 6 | 1.59 |
| 5 | 20.41 | 33.52 | 11 | 16 | 45.72 | 0.20 | 0.94 | 0.858 7 | 8.65 |
| 6 | 20.96 | 34.96 | 27.99 | 40.02 | 12 | 0.50 | 1.89 | 1.961 3 | 3.77 |
| 7 | 27 | 26 | 31 | 50 | 92 | 0.25 | 1.79 | 1.841 3 | 2.86 |
| 8 | 20.41 | 24.9 | 13 | 22 | 10.67 | 0.35 | 1.67 | 1.661 4 | 0.52 |
| 9 | 18 | 24 | 30.15 | 45 | 20 | 0.12 | 0.941 | 0.967 3 | 2.80 |
| 10 | 18.84 | 14.36 | 25 | 20 | 30.5 | 0.45 | 0.78 | 0.831 4 | 6.59 |
), ArticleFig(id=1241327683343274319, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241321701208814448, language=CN, label=表5, caption=
预测结果对比
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| 编号 | 容重/(kN·m-3) | 黏聚力/MPa | 内摩擦角/(°) | 边坡角/(°) | 边坡高度/m | 孔隙水压力 | 原始安全系数 | 安全系数预测值 | 相对误差/% |
|---|
| 1 | 26.81 | 200 | 35 | 58 | 138 | 0.25 | 1.55 | 1.551 5 | 0.09 |
| 2 | 26.57 | 300 | 38.7 | 45.3 | 80 | 0.15 | 0.972 | 0.970 8 | 0.12 |
| 3 | 26.78 | 300 | 38.7 | 54 | 155 | 0.25 | 0.70 | 0.688 6 | 1.63 |
| 4 | 31.3 | 68 | 37 | 46 | 366 | 0.25 | 1.35 | 1.328 6 | 1.59 |
| 5 | 20.41 | 33.52 | 11 | 16 | 45.72 | 0.20 | 0.94 | 0.858 7 | 8.65 |
| 6 | 20.96 | 34.96 | 27.99 | 40.02 | 12 | 0.50 | 1.89 | 1.961 3 | 3.77 |
| 7 | 27 | 26 | 31 | 50 | 92 | 0.25 | 1.79 | 1.841 3 | 2.86 |
| 8 | 20.41 | 24.9 | 13 | 22 | 10.67 | 0.35 | 1.67 | 1.661 4 | 0.52 |
| 9 | 18 | 24 | 30.15 | 45 | 20 | 0.12 | 0.941 | 0.967 3 | 2.80 |
| 10 | 18.84 | 14.36 | 25 | 20 | 30.5 | 0.45 | 0.78 | 0.831 4 | 6.59 |
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