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177274

STUDYING THE BEHAVIOUR OF DEEP EXCAVATION ADJACENT TO OLD BUILDINGS USING PLAXIS 3D

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Last updated: 28 Dec 2024

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Abstract

Due to space limitations in urban areas, a challenging trend to go deeper into the ground, and increase the space required for providing basements, car parking and for utilities etc. Major concern for projects involving deep excavation is the impact of construction related ground movements on nearby structures. This paper studying a case history in Chicago Avenue and State Street Subway Renovation Project in Chicago. A monitoring system was performed during excavation in all the surrounding buildings for the excavation using deformation gauges and settlement points. In this paper, 3D Finite element model is developed using PLAXIS-3D to represent the effect of excavation stages on the wall deformation and settlement below adjacent structure. The analysis is carried out considering non-linear behavior of soil using Hardening soil Model. Results of the models are compared with the real field investigations. In general, better lateral wall movement and ground surface settlement are obtained from the model. Computer simulation technique was an effective method to analyze the influence of pit excavation on the adjacent structures.

Keywords

Strutted excavation, Settlement, wall deformation, building response, 3-D Simulation Analysis, Hardening Soil Model

Authors

First Name

ASMAA

Last Name

HASSAN

MiddleName

M

Affiliation

Teaching Assistant, Faculty of Regional and Urban Planning, Environmental Planning Dept., Cairo University, Giza, Egypt.

Email

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City

Giza

Orcid

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Volume

58

Article Issue

1

Related Issue

25690

Issue Date

2019-04-01

Receive Date

2019-04-15

Publish Date

2019-04-30

Page Start

20

Page End

15

Print ISSN

1110-1253

Online ISSN

2735-5500

Article File

EGSEN_Volume 58_Issue 1_Pages 20-15.pdf

PDF . 1.1MB

Link

https://egsen.journals.ekb.eg/article_177274.html

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https://egsen.journals.ekb.eg/service?article_code=177274

Order

12

Type

Scientific and technological

Type Code

1,881

Publication Type

Journal

Publication Title

Journal of the Egyptian Society of Engineers

Publication Link

https://egsen.journals.ekb.eg/

MainTitle

STUDYING THE BEHAVIOUR OF DEEP EXCAVATION ADJACENT TO OLD BUILDINGS USING PLAXIS 3D

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Article

Created At

23 Jan 2023