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152365

Investigation and Analysis of the Precision Criteria in Free and Fixed Levelling Networks.

Article

Last updated: 04 Jan 2025

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Tags

Public Works Engineering

Abstract

In the last few years. the use of free levelling networks in the different engineering  constructions has been increased It was clear that comparing the results of the free  levelling networks with the fixed levelling networks. having the same configurations and  the same measurement technologies, yielded unexpected smaller numerical values of common precision criteria than those of the fixed levelling network .  
The aim of this research is to study the reasons for this phenomena by interpreting and  illustrating the variation In the geometrical meanings for precision criteria of both free  and fixed levelling networks  New criteria suitable to describe the precisions in both cases have been obtained. Hence,  it is possib le to make a correct comparison between them. A practical levelling network  has been used as a practical sample example using different variables in adjustment  processes for this study  

DOI

10.21608/bfemu.2021.152365

Authors

First Name

Hisham

Last Name

Abou Halima

MiddleName

-

Affiliation

Public Works Engineering Department., Faculty of Engineering., El-Mansoura University., Mansoura., Egypt.

Email

-

City

Mansoura

Orcid

-

Volume

21

Article Issue

3

Related Issue

22286

Issue Date

1996-09-01

Receive Date

1996-07-10

Publish Date

2021-09-01

Page Start

1

Page End

12

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 21_Issue 3_Pages 1-12.pdf

PDF . 1.6MB

Link

https://bfemu.journals.ekb.eg/article_152365.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=152365

Order

1

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

MainTitle

Investigation and Analysis of the Precision Criteria in Free and Fixed Levelling Networks.

Details

Type

Article

Created At

22 Jan 2023