Prefailure Deformation of Nailed Deep Excavations under Surcharge by Centrifuge Model Test

To study prefailure deformations in nailed deep vertical excavations under various surcharges, four centrifuge tests were used to explain the lateral deformation of facing, the fracture mechanism of cement facing, and the settlement profile of the ground surface. The soil used in this research was F...

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Main Authors: S. Mohammad. Shoari Shoar, Ali A. Heshmati, Hossein Salehzadeh
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Advances in Civil Engineering
Online Access:http://dx.doi.org/10.1155/2021/5569797
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author S. Mohammad. Shoari Shoar
Ali A. Heshmati
Hossein Salehzadeh
author_facet S. Mohammad. Shoari Shoar
Ali A. Heshmati
Hossein Salehzadeh
author_sort S. Mohammad. Shoari Shoar
collection DOAJ
description To study prefailure deformations in nailed deep vertical excavations under various surcharges, four centrifuge tests were used to explain the lateral deformation of facing, the fracture mechanism of cement facing, and the settlement profile of the ground surface. The soil used in this research was Firoozkooh sand No. 161. Both surcharge applying and excavation were performed at 40 g acceleration. The depth of the excavation was 30 cm, the length of the nail varied from H/3 to 2H/3 (H: excavation depth), and the nails were installed horizontally. The nails were made of brass pipes and then sand coated. The results showed that the effect of surcharge on the lateral deformation of the facing as well as the fracture mechanism of facing is obvious. Also, it was seen that the ground settlement profile is two-line or three-line at the moment of facing fracture and is affected by surcharge.
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institution Kabale University
issn 1687-8086
1687-8094
language English
publishDate 2021-01-01
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series Advances in Civil Engineering
spelling doaj-art-331a6174a47c4033a60b75ac426cf9d42025-02-03T06:11:57ZengWileyAdvances in Civil Engineering1687-80861687-80942021-01-01202110.1155/2021/55697975569797Prefailure Deformation of Nailed Deep Excavations under Surcharge by Centrifuge Model TestS. Mohammad. Shoari Shoar0Ali A. Heshmati1Hossein Salehzadeh2Faculty of Civil Engineering, Iran University of Science and Technology, Tehran 1684613114, IranFaculty of Civil Engineering, Iran University of Science and Technology, Tehran 1684613114, IranFaculty of Civil Engineering, Iran University of Science and Technology, Tehran 1684613114, IranTo study prefailure deformations in nailed deep vertical excavations under various surcharges, four centrifuge tests were used to explain the lateral deformation of facing, the fracture mechanism of cement facing, and the settlement profile of the ground surface. The soil used in this research was Firoozkooh sand No. 161. Both surcharge applying and excavation were performed at 40 g acceleration. The depth of the excavation was 30 cm, the length of the nail varied from H/3 to 2H/3 (H: excavation depth), and the nails were installed horizontally. The nails were made of brass pipes and then sand coated. The results showed that the effect of surcharge on the lateral deformation of the facing as well as the fracture mechanism of facing is obvious. Also, it was seen that the ground settlement profile is two-line or three-line at the moment of facing fracture and is affected by surcharge.http://dx.doi.org/10.1155/2021/5569797
spellingShingle S. Mohammad. Shoari Shoar
Ali A. Heshmati
Hossein Salehzadeh
Prefailure Deformation of Nailed Deep Excavations under Surcharge by Centrifuge Model Test
Advances in Civil Engineering
title Prefailure Deformation of Nailed Deep Excavations under Surcharge by Centrifuge Model Test
title_full Prefailure Deformation of Nailed Deep Excavations under Surcharge by Centrifuge Model Test
title_fullStr Prefailure Deformation of Nailed Deep Excavations under Surcharge by Centrifuge Model Test
title_full_unstemmed Prefailure Deformation of Nailed Deep Excavations under Surcharge by Centrifuge Model Test
title_short Prefailure Deformation of Nailed Deep Excavations under Surcharge by Centrifuge Model Test
title_sort prefailure deformation of nailed deep excavations under surcharge by centrifuge model test
url http://dx.doi.org/10.1155/2021/5569797
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AT hosseinsalehzadeh prefailuredeformationofnaileddeepexcavationsundersurchargebycentrifugemodeltest