GeoStruXer

Sheetpile Driving Impact Evaluation For a Factory
In Jubail – Saudi Arabia

Project Overview

Geostruxer was commissioned to evaluate the impact of sheetpile shoring installation on underground utilities, including critical 18” FW pipes and 96” & 120” CWR lines. The study focused on static and dynamic soil–structure–utility interactions caused by excavation, surcharge loading, moving truck loads, and sheetpile driving.

Challenges

Dynamic Forces

Vibrations from hammer driving and truck movements threatened utilities.

Serviceability Risks

Footings near excavation
showed potential for
deformation.

Congested Site

Presence of utilities, foundations, and machinery required precise modelling.

Solution Approach

Advanced Analysis

Used 3D finite element modelling to simulate dynamic and static interactions, accounting for soil behaviour, construction stages, groundwater, and stress history.

Dynamic Assessment

Simulated hammer forces and truck movements, proposing mitigation measures like drainage, pre-drilling sheetpiles, and optimising hammer properties.

Proactive Recommendations

Suggested micropiles to stabilise footings and drainage solutions to control pore water pressure. Alternative shoring methods were also recommended.

Value Engineering & Sustainability

Cost-Effective

Recommended practical measures like pre-drilling and underpinning to reduce risks without overdesign.

Sustainability

Optimised hammer settings and
efficient drainage to minimise environmental impact.

Precision

Provided accurate modelling and
actionable insights to ensure safety and serviceability.

Collaboration

Collaborated with Geosol to align analysis with site conditions and client needs,
ensuring clear communication and confidence in the results.

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