Stability Analysis of Drilling Rigs Moving on a Weak Subsoil. Selected Case Studies

This article presents results of the numerical analysis of the interaction between heavy caterpillar tracks system and subsoil. The main goal of the article is to present an algorithm to design working platforms - temporary structures enabling the work of heavy construction equipment on weak subsoil...

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Main Authors: A. Urbański, M. Richter
Format: Article
Language:English
Published: Polish Academy of Sciences 2020-06-01
Series:Archives of Civil Engineering
Subjects:
Online Access:https://journals.pan.pl/Content/115141/PDF/Paper_780_do%20druku.pdf
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author A. Urbański
M. Richter
author_facet A. Urbański
M. Richter
author_sort A. Urbański
collection DOAJ
description This article presents results of the numerical analysis of the interaction between heavy caterpillar tracks system and subsoil. The main goal of the article is to present an algorithm to design working platforms - temporary structures enabling the work of heavy construction equipment on weak subsoils. A semi-analytical method is based on the results of the numerical analysis performed with use of the finite element method (FE software ZSoil.PC [12]). The calculations were carried out for the piling rig machine - Bauer BH20H (BT60). Three ground models were adopted: Model 1: one layer - weak cohesive soil (clay); Model 2: two layers: weak cohesive soil (clay) and cohesionless working platform (medium sand); Model 3: one layer: strong cohesionless subsoil (medium sand). The following problems were solved: I) entry of the machine on the ground with various geotechnical parameters under each caterpillar tracks II) detection of the maximum permissible angle of ground slope.
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spelling doaj.art-8fc92ad3756544ab848954bb03ec359c2022-12-22T02:49:05ZengPolish Academy of SciencesArchives of Civil Engineering2300-31032020-06-01Vol. 66No 2303319https://doi.org/10.24425/ace.2020.131811Stability Analysis of Drilling Rigs Moving on a Weak Subsoil. Selected Case StudiesA. UrbańskiM. RichterThis article presents results of the numerical analysis of the interaction between heavy caterpillar tracks system and subsoil. The main goal of the article is to present an algorithm to design working platforms - temporary structures enabling the work of heavy construction equipment on weak subsoils. A semi-analytical method is based on the results of the numerical analysis performed with use of the finite element method (FE software ZSoil.PC [12]). The calculations were carried out for the piling rig machine - Bauer BH20H (BT60). Three ground models were adopted: Model 1: one layer - weak cohesive soil (clay); Model 2: two layers: weak cohesive soil (clay) and cohesionless working platform (medium sand); Model 3: one layer: strong cohesionless subsoil (medium sand). The following problems were solved: I) entry of the machine on the ground with various geotechnical parameters under each caterpillar tracks II) detection of the maximum permissible angle of ground slope.https://journals.pan.pl/Content/115141/PDF/Paper_780_do%20druku.pdfworking platformssubsoil-machine interactionpiling rig machinebearing capacitygeotechnical engineeringfinite element modeling
spellingShingle A. Urbański
M. Richter
Stability Analysis of Drilling Rigs Moving on a Weak Subsoil. Selected Case Studies
Archives of Civil Engineering
working platforms
subsoil-machine interaction
piling rig machine
bearing capacity
geotechnical engineering
finite element modeling
title Stability Analysis of Drilling Rigs Moving on a Weak Subsoil. Selected Case Studies
title_full Stability Analysis of Drilling Rigs Moving on a Weak Subsoil. Selected Case Studies
title_fullStr Stability Analysis of Drilling Rigs Moving on a Weak Subsoil. Selected Case Studies
title_full_unstemmed Stability Analysis of Drilling Rigs Moving on a Weak Subsoil. Selected Case Studies
title_short Stability Analysis of Drilling Rigs Moving on a Weak Subsoil. Selected Case Studies
title_sort stability analysis of drilling rigs moving on a weak subsoil selected case studies
topic working platforms
subsoil-machine interaction
piling rig machine
bearing capacity
geotechnical engineering
finite element modeling
url https://journals.pan.pl/Content/115141/PDF/Paper_780_do%20druku.pdf
work_keys_str_mv AT aurbanski stabilityanalysisofdrillingrigsmovingonaweaksubsoilselectedcasestudies
AT mrichter stabilityanalysisofdrillingrigsmovingonaweaksubsoilselectedcasestudies