矩形顶管管-土接触面状态及顶推力预估

TU921; 天津地区采用较大直径的矩形顶管施工地铁车站出入口可借鉴的工程经验较为匮乏.考虑施工停顿、管体悬浮和减阻剂体积等因素的影响,提出了耦合有限差分法和顶力-顶程控制方法的顶推力计算模型,并应用于矩形顶管顶推力的预估.针对天津地层情况,采用该模型预估地铁车站出入口顶管施工中的顶力.现场试验与监测数据证明顶力预估模型的正确性,有助于顶管工作井后背墙的设计优化及长距离大直径顶管施工中继间的布置....

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Published in东北大学学报（自然科学版） Vol. 41; no. 10; pp. 1459 - 1464
Main Authors 焦程龙, 赵歆, 牛富俊
Format Journal Article
LanguageChinese
Published 华南理工大学土木与交通学院/广州地下综合管廊研究中心,广东广州 510641%天津市市政工程设计研究院,天津 300009 01.10.2020
Subjects
顶推力预估
数值模拟
接触面
减阻
矩形顶管
Online AccessGet full text
ISSN1005-3026
DOI10.12068/j.issn.1005-3026.2020.10.015

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Abstract TU921; 天津地区采用较大直径的矩形顶管施工地铁车站出入口可借鉴的工程经验较为匮乏.考虑施工停顿、管体悬浮和减阻剂体积等因素的影响,提出了耦合有限差分法和顶力-顶程控制方法的顶推力计算模型,并应用于矩形顶管顶推力的预估.针对天津地层情况,采用该模型预估地铁车站出入口顶管施工中的顶力.现场试验与监测数据证明顶力预估模型的正确性,有助于顶管工作井后背墙的设计优化及长距离大直径顶管施工中继间的布置.
AbstractList TU921; 天津地区采用较大直径的矩形顶管施工地铁车站出入口可借鉴的工程经验较为匮乏.考虑施工停顿、管体悬浮和减阻剂体积等因素的影响,提出了耦合有限差分法和顶力-顶程控制方法的顶推力计算模型,并应用于矩形顶管顶推力的预估.针对天津地层情况,采用该模型预估地铁车站出入口顶管施工中的顶力.现场试验与监测数据证明顶力预估模型的正确性,有助于顶管工作井后背墙的设计优化及长距离大直径顶管施工中继间的布置.
Author 赵歆
焦程龙
牛富俊
AuthorAffiliation 华南理工大学土木与交通学院/广州地下综合管廊研究中心,广东广州 510641%天津市市政工程设计研究院,天津 300009
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NIU Fu-jun
ZHAO Xin
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数值模拟
接触面
减阻
矩形顶管
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Title 矩形顶管管-土接触面状态及顶推力预估
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