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EXPERIMENTAL SOIL REACTION ON ISOLATED FOOTING

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Last updated: 13 Dec 2022

Subjects

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Tags

Shallow foundation
Contact pressure
Soil reaction
Kaolinite clay soil
Foundation strain
bearing capacity
Foundation settlement
EXPERIMENTAL SOIL REACTION ON ISOLATED FOOTING
ICASGE'23

Abstract

The designing engineers assume soil reaction as a function to the dimension of the stressing surface. This assumption disregards the soil structure interaction, and the properties of the stressed soil. Based on this unrealistic assumption, depth and reinforcement of the foundation are determined. Consequently, the designed reinforcement and dimension are overestimated. This paper presents a research to determine the reaction of different types of soil to different types of footing “stressing surfaces". Footings were prepared from two types of wood; Muskie, and Beech, and from Acrylic with three different shapes; square, rectangle and folded, and with different sizes. Artificial soil was set from Kaolinite clay with three different water contents to presume different soil strength. The testing rig includes tank container for the soil, arrangement for loading, and monitoring the settlement, and the footing strain at the critical section of moment. The experimental investigation depicts that soil reaction is much less than the sum of the applied loading, within the service loading of the footing. Settlements vary considerably from one footing model to another. That is, the settlement depends on the footing rigidity. Ultimate bearing capacity varies considerably according to the footing rigidity.

Keywords

Shallow foundation, Contact pressure, Soil reaction, Kaolinite clay soil, Foundation strain, bearing capacity, Foundation settlement

Authors

First Name

PROF.

Last Name

NAGWA RAGAB EL-SAKHAWY1 and ENG. AHMD ABDEL-LATIF NASAR2

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Volume

ICASGE2015

Issue Date

1 Jan 2015

Publish Date

29 May 2022

Link

https://icasge.conferences.ekb.eg/article_1408.html

Order

137

Publication Type

Conference

Publication Title

ICASGE'23

Publication Link

https://icasge.conferences.ekb.eg/

Details

Type

Article

Locale

en

Created At

13 Dec 2022