Protective dismantling construction method for basement pile foundation adjacent to existing subway line
The invention provides a protective dismantling construction method for a pile foundation of a basement adjacent to an existing subway line. The protective dismantling construction method comprises the following steps that the surface of the basement is cleaned, and a construction hoisting hole is f...
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Format | Patent |
Language | Chinese English |
Published |
30.08.2022
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Subjects | |
Online Access | Get full text |
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Abstract | The invention provides a protective dismantling construction method for a pile foundation of a basement adjacent to an existing subway line. The protective dismantling construction method comprises the following steps that the surface of the basement is cleaned, and a construction hoisting hole is formed; constructing a retaining wall at the junction position of the underground structure to be dismantled and the non-dismantling side, and meanwhile, constructing a buttress wall on the side wall of the basement to be dismantled; filling an underground structure cavity with backfill soil, and refilling water to ensure balance of underground water levels inside and outside the basement; the basement top plate is dismantled through wire saw cutting; hardening the area above the basement; a bottom plate and a bearing platform of the basement are broken and removed through a full-rotation full-casing drilling machine; the pile foundation is pulled out; and plain concrete backfilling is carried out. The method is use |
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AbstractList | The invention provides a protective dismantling construction method for a pile foundation of a basement adjacent to an existing subway line. The protective dismantling construction method comprises the following steps that the surface of the basement is cleaned, and a construction hoisting hole is formed; constructing a retaining wall at the junction position of the underground structure to be dismantled and the non-dismantling side, and meanwhile, constructing a buttress wall on the side wall of the basement to be dismantled; filling an underground structure cavity with backfill soil, and refilling water to ensure balance of underground water levels inside and outside the basement; the basement top plate is dismantled through wire saw cutting; hardening the area above the basement; a bottom plate and a bearing platform of the basement are broken and removed through a full-rotation full-casing drilling machine; the pile foundation is pulled out; and plain concrete backfilling is carried out. The method is use |
Author | ZHANG GUANGHUI DENG NENGWEI JIN PING WANG JIE ZHAO RAN LIU ZIYANG ZHAO GAOFENG WU JIALIN DENG XIFEI DU HONGBO FANG ZHIHAI WANG YANG LI RAN CHEN TAO WANG SHENGTAO DU YAO |
Author_xml | – fullname: LIU ZIYANG – fullname: WANG JIE – fullname: DU YAO – fullname: JIN PING – fullname: WANG SHENGTAO – fullname: ZHAO GAOFENG – fullname: DENG NENGWEI – fullname: ZHAO RAN – fullname: CHEN TAO – fullname: LI RAN – fullname: WANG YANG – fullname: WU JIALIN – fullname: DU HONGBO – fullname: FANG ZHIHAI – fullname: DENG XIFEI – fullname: ZHANG GUANGHUI |
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Discipline | Medicine Chemistry Sciences |
DocumentTitleAlternate | 一种紧邻既有地铁线地下室桩基保护性拆除施工方法 |
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Snippet | The invention provides a protective dismantling construction method for a pile foundation of a basement adjacent to an existing subway line. The protective... |
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SubjectTerms | BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CEILINGS EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FLOORS FORMS FOUNDATIONS GENERAL BUILDING CONSTRUCTIONS HANDLING BUILDING MATERIALS ON THE SITE HYDRAULIC ENGINEERING INSULATION OR OTHER PROTECTION OF BUILDINGS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS ROOFS SCAFFOLDING SHUTTERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES WALLS, e.g. PARTITIONS |
Title | Protective dismantling construction method for basement pile foundation adjacent to existing subway line |
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