Article(id=1281685545084498803, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1281685530169545672, articleNumber=null, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2025.06.1145, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739548800000, receivedDateStr=2025-02-15, revisedDate=1744905600000, revisedDateStr=2025-04-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1783507246513, onlineDateStr=2026-07-08, pubDate=1751040000000, pubDateStr=2025-06-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783507246513, onlineIssueDateStr=2026-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783507246513, creator=13701087609, updateTime=1783507246513, updator=13701087609, issue=Issue{id=1281685530169545672, tenantId=1146029695717560320, journalId=1146031787341344770, year='2025', volume='35', issue='6', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='1751040000000', pubDateStr='2025-06-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783507242958, creator='13701087609', updateTime=1783589309504, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1282029742274622413, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1281685530169545672, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1282029742274622414, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1281685530169545672, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=60, endPage=69, ext={EN=ArticleExt(id=1281685545285825396, articleId=1281685545084498803, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=On bracing mechanism and stability of two-row inclined-vertical retaining piles, columnId=1149733269173878863, journalTitle=China Safety Science Journal, columnName=Safety engineering technology, runingTitle=null, highlight=null, articleAbstract=

In order to enhance the application of double-row inclined-vertical pile composite support in loess foundation pits, model tests were conducted to investigate the displacement, internal force, and earth pressure changes of forward-inclined rear-vertical double-row piles and double-row inward-inclined pile support structures during excavation. Numerical analysis was also used to explore the effect of pile inclination on support performance. The results show that the horizontal displacement of the pile body and surface settlement outside the pit are both smaller in the inward-inclined double-row pile support compared to the forward-inclined rear-vertical pile support. Additionally, the maximum axial force, bending moment, and net earth pressure on the front row piles are also lower. As the pile inclination increases, the pile top displacement, surface settlement outside the pit, and the maximum axial force of the pile body decrease, while the maximum bending moment and the safety factor of the foundation pit increase. In the double-row inclined-vertical pile support structure, the front inclined piles function to brace internally, retain the soil, and enhance structural safety and stability, whereas the rear vertical piles serve to anchor, transfer, and distribute earth pressure. Together, they improve the overall stability of the support system. During excavation, the stress path of the soil outside the pit initially moves away from and then approaches the failure Kf line. A greater pile inclination results in the stress path staying further from the Kf line. Comparatively, the stress path of the inward-inclined double-row pile support stays further from the principal stress Kf line, leading to higher safety and stability of the foundation pit.

, authors=Weiping CAO1, Hannan XIAO**, 1, Longping LUO1, Pin LYU1, Ming ZHAO2, authorsList=Weiping CAO, Hannan XIAO, Longping LUO, Pin LYU, Ming ZHAO, authorCompany=null, correspAuthors=Hannan XIAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1281685545801724791, articleId=1281685545084498803, tenantId=1146029695717560320, journalId=1146031787341344770, language=CN, title=双排斜直桩基坑支护工作机制及稳定性分析, columnId=1149733269727526997, journalTitle=中国安全科学学报, columnName=安全工程技术, runingTitle=null, highlight=null, articleAbstract=

为提高双排斜直桩组合支护在黄土基坑中的应用,通过模型试验研究黄土基坑中前斜后直双排桩和双排内斜桩支护结构在开挖过程中的位移、内力及土压力变化,并通过数值分析探讨斜桩倾角对支护效果的影响。结果表明:双排内斜桩支护的桩身水平位移和坑外地表沉降均小于前斜后直桩支护,其前排桩的最大轴力、弯矩和净土压力也较低。随着斜桩倾角增大,桩顶位移、坑外地表沉降及桩身最大轴力减少,而桩身最大弯矩和基坑安全性系数增加。在双排斜直桩支护结构中,前排斜桩负责内撑、支挡土体及提高结构安全性和稳定性,后排桩则承担拉锚、传递及分散土压力的作用,两者协同提升支护结构的整体稳定性。基坑开挖过程中,坑外土体应力路径先远离后靠近破坏Kf线,斜桩倾角越大,土体应力路径越远离Kf线;相比之下,双排内斜桩支护的土体应力路径更远离主应力Kf线,基坑的安全性和稳定性更高。

, authors=曹卫平教授1, 肖涵楠**, 1, 罗龙平1, 吕品1, 赵敏教授2, authorsList=曹卫平教授, 肖涵楠, 罗龙平, 吕品, 赵敏教授, authorCompany=null, correspAuthors=肖涵楠, authorNote=

曹卫平(1969—),男,陕西杨凌人,博士,教授,主要从事黄土桩基工程及软土地基处理等方面的研究。E-mail:

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** 肖涵楠(1999—),男,四川成都人,硕士研究生,主要研究方向为基坑工程。E-mail:
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曹卫平(1969—),男,陕西杨凌人,博士,教授,主要从事黄土桩基工程及软土地基处理等方面的研究。E-mail:

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曹卫平(1969—),男,陕西杨凌人,博士,教授,主要从事黄土桩基工程及软土地基处理等方面的研究。E-mail:

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双排斜直桩基坑支护工作机制及稳定性分析
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曹卫平教授 1 , 肖涵楠 **, 1 , 罗龙平 1 , 吕品 1 , 赵敏教授 2
中国安全科学学报 | 安全工程技术 2025,35(6): 60-69
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中国安全科学学报 |安全工程技术 2025 , 35 (6) : 60 -69
双排斜直桩基坑支护工作机制及稳定性分析
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曹卫平(1969—),男,陕西杨凌人,博士,教授,主要从事黄土桩基工程及软土地基处理等方面的研究。E-mail:

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曹卫平(1969—),男,陕西杨凌人,博士,教授,主要从事黄土桩基工程及软土地基处理等方面的研究。E-mail:

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曹卫平教授1 , 肖涵楠**, 1 , 罗龙平1, 吕品1, 赵敏教授2
作者信息
  • 1西安建筑科技大学 土木工程学院,陕西 西安 710055
  • 2西安工业大学 建筑工程学院,陕西 西安 710021
通讯作者:
** 肖涵楠(1999—),男,四川成都人,硕士研究生,主要研究方向为基坑工程。E-mail:
作者简介:

曹卫平(1969—),男,陕西杨凌人,博士,教授,主要从事黄土桩基工程及软土地基处理等方面的研究。E-mail:

On bracing mechanism and stability of two-row inclined-vertical retaining piles
Weiping CAO1 , Hannan XIAO**, 1 , Longping LUO1, Pin LYU1, Ming ZHAO2
Affiliations
  • 1School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an Shaanxi 710055, China
  • 2College of Architecture and Civil Engineering, Xi'an Technological University, Xi'an Shaanxi 710021, China
出版时间: 2025-06-28 doi: 10.16265/j.cnki.issn1003-3033.2025.06.1145
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为提高双排斜直桩组合支护在黄土基坑中的应用,通过模型试验研究黄土基坑中前斜后直双排桩和双排内斜桩支护结构在开挖过程中的位移、内力及土压力变化,并通过数值分析探讨斜桩倾角对支护效果的影响。结果表明:双排内斜桩支护的桩身水平位移和坑外地表沉降均小于前斜后直桩支护,其前排桩的最大轴力、弯矩和净土压力也较低。随着斜桩倾角增大,桩顶位移、坑外地表沉降及桩身最大轴力减少,而桩身最大弯矩和基坑安全性系数增加。在双排斜直桩支护结构中,前排斜桩负责内撑、支挡土体及提高结构安全性和稳定性,后排桩则承担拉锚、传递及分散土压力的作用,两者协同提升支护结构的整体稳定性。基坑开挖过程中,坑外土体应力路径先远离后靠近破坏Kf线,斜桩倾角越大,土体应力路径越远离Kf线;相比之下,双排内斜桩支护的土体应力路径更远离主应力Kf线,基坑的安全性和稳定性更高。

双排斜直桩  /  前斜后直双排桩  /  支护性能  /  稳定性  /  模型试验  /  数值模拟

In order to enhance the application of double-row inclined-vertical pile composite support in loess foundation pits, model tests were conducted to investigate the displacement, internal force, and earth pressure changes of forward-inclined rear-vertical double-row piles and double-row inward-inclined pile support structures during excavation. Numerical analysis was also used to explore the effect of pile inclination on support performance. The results show that the horizontal displacement of the pile body and surface settlement outside the pit are both smaller in the inward-inclined double-row pile support compared to the forward-inclined rear-vertical pile support. Additionally, the maximum axial force, bending moment, and net earth pressure on the front row piles are also lower. As the pile inclination increases, the pile top displacement, surface settlement outside the pit, and the maximum axial force of the pile body decrease, while the maximum bending moment and the safety factor of the foundation pit increase. In the double-row inclined-vertical pile support structure, the front inclined piles function to brace internally, retain the soil, and enhance structural safety and stability, whereas the rear vertical piles serve to anchor, transfer, and distribute earth pressure. Together, they improve the overall stability of the support system. During excavation, the stress path of the soil outside the pit initially moves away from and then approaches the failure Kf line. A greater pile inclination results in the stress path staying further from the Kf line. Comparatively, the stress path of the inward-inclined double-row pile support stays further from the principal stress Kf line, leading to higher safety and stability of the foundation pit.

double-row inclined-vertical piles  /  forward-inclined rear-vertical double-row piles  /  support performance  /  stability  /  model test  /  numerical simulation
曹卫平教授, 肖涵楠, 罗龙平, 吕品, 赵敏教授. 双排斜直桩基坑支护工作机制及稳定性分析. 中国安全科学学报, 2025 , 35 (6) : 60 -69 . DOI: 10.16265/j.cnki.issn1003-3033.2025.06.1145
Weiping CAO, Hannan XIAO, Longping LUO, Pin LYU, Ming ZHAO. On bracing mechanism and stability of two-row inclined-vertical retaining piles[J]. China Safety Science Journal, 2025 , 35 (6) : 60 -69 . DOI: 10.16265/j.cnki.issn1003-3033.2025.06.1145
  • 陕西省自然科学基础研究计划一般面上项目(2024JC-YBMS-299)
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doi: 10.16265/j.cnki.issn1003-3033.2025.06.1145
  • 接收时间:2025-02-15
  • 首发时间:2026-07-08
  • 出版时间:2025-06-28
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  • 收稿日期:2025-02-15
  • 修回日期:2025-04-18
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陕西省自然科学基础研究计划一般面上项目(2024JC-YBMS-299)
作者信息
    1西安建筑科技大学 土木工程学院,陕西 西安 710055
    2西安工业大学 建筑工程学院,陕西 西安 710021

通讯作者:

** 肖涵楠(1999—),男,四川成都人,硕士研究生,主要研究方向为基坑工程。E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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