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Terms & Conditions

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Privacy and Cookies

Data Security

Website Terms and Conditions

Software Licensing Terms


Privacy and Cookies

We may change this privacy notice from time to time by updating this page.

What information do we collect?

When you use this website, we may collect the following information:

  • the areas of the website that you visit
  • information about your computer, such as which browser you are using, your network location, the type of connection you are using (e.g. broadband, ADSL etc) and your IP address

We do this by using cookies, which are small files that help us track how our visitors use the website and enable us to understand where we can improve your experience. If you would like to find out which cookies we use and the information they track see our Cookies Policy.

Once you submit or register information through our website we will know who you are and your activities on this website and information about you and/or your company may be recorded on our systems. For example, we may ask for personal information when you download our software including:

  • your name
  • company name
  • email address
  • postal address
  • telephone number
  • country where you are based
  • Social media ID
  • your comments/questions
  • services/markets you are interested in

We may also collect personal information from telephone calls and/or other correspondence with you.

What do we do with the information we collect?

The information we capture is used for various purposes. The main purpose is to provide you with our services (whether available via the website or offline). We also use the information for:

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  • marketing our services and people to you
  • market research
  • service development
  • internal record keeping

Marketing

We would like to provide you with information about our services and other information which we think you may find interesting. We may send you such information by post, email and/or telephone, unless you have asked us not to do so.

We will not provide your personal information to other organisations for marketing purposes without your explicit consent.

If at any time you do not want your information used for direct marketing purposes, please contact us or follow the unsubscribe link in our marketing email messages.

Who do we share this information with?

We may share your personal information with companies acting on our behalf who will only use the information to provide that service. However, we will retain control of your data and any third party service provider that we use must act in accordance with our instructions. We may also share your personal information with a purchaser or potential purchaser of our business.

In some circumstances, we may have to disclose your personal information by law, because a court or the police or other law enforcement agency has asked us for it.

How to get copies of or amend the information we have collected

You may request details of the personal information that we hold about you under data protection laws. If you would like a copy of the information held about you please write to us at oasys@arup.com or at: Data Protection Officer, 13 Fitzroy Street, London, UK, W1T 4BQ. Please note that we may charge a small £10 administration fee for information requests.

If you think any information we have about you is incorrect or incomplete, please email us as soon as possible. We will correct or update any information as soon as we can.

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Data Security

We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect, including locked cabinets, electronic password protection and pass card access to buildings.

If at any point you suspect or receive a suspicious communication from someone suggesting they work for Oasys or a website claiming to be affiliated with Oasys, please forward the communication to us or report the incident by email to oasys@arup.com or in writing to Oasys, 13 Fitzroy Street, London, UK, W1T 4BQ as soon as possible.

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Website Terms and Conditions

The contents of this web site are protected by copyright and other intellectual property rights under international conventions. No copying of any words, images, graphic representations or other information contained in this web site is permitted without the prior written permission of the webmaster for this site.

Oasys accepts no responsibility for the content of any external site that links to or from this site.

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Software Licensing Terms

Terms and Conditions of Purchase

The full conditions of purchase and maintenance for all Oasys software are set out in the Oasys Software Licence and Support Agreement. All prices are subject to TAX at the current rate.

Prices and specifications are subject to change without notice – please ask for a written quotation.

Although every care has been taken to ensure the accuracy of all information contained herein, the contents do not form or constitute a representation, warranty, or part of any contract.

Superseded Versions of Terms and Conditions

Oasys keeps copies of all superseded versions of its terms and conditions.

Maintenance & Support Services

Twelve months support and maintenance is included with most products. Thereafter maintenance is typically 20% of the current sales price.

An annual maintenance service is available for most programs after the first year.

This service includes:

  • telephone/fax/email/web based support
  • free software updates available via internet download
  • personalised output header for many products

Pearl Tower – Temporary Shoring System Design

Software Used on this Project

Project Overview

Emirates Pearl Hotel & Bab El Qasr Development Project is a specialised project as it is the deepest dig in Abu Dhabi and is in close proximity to the sea and many buildings.

NSCC carried out the design and construction of the temporary shoring system and the piling works for the Emirates Pearl Tower and Bab El Qasr Hotel.

The shoring systems for the two projects were developed together to eliminate the shoring works for the common boundary providing cost reduction for the two projects.

How Oasys proved invaluable

Amr Al Degwe (Technical Manager, NSCC) and Dr. Walid Jaber, (Senior Director Foundation Engineering, NSCC) have written a summary of the solution, analysis procedure and a comparison of analysis results to on-site testing.

The case study shows the site readings of strut forces are comparable to the Oasys Frew analysis results.

Site Description and Ground Conditions
The site is located east of the Emirates Palace. The sea shore was 20m away from the other side of the project.

The subsurface ground conditions consist of 10m thick sea deposits of medium sand underlaid by weak bedrock consisting of interbedding layers of calcarenite and sandstone followed by mudstone.

Proposed Geotechnical Solution

Shoring

Section A: 20.0m excavation depth. 1m thick Diaphragm wall with three rows of anchors were installed.
Section B: 19.2m excavation depth. 1m thick Diaphragm wall with three rows of anchors were installed.
Section C: 20.0m excavation depth. 1m thick Diaphragm wall with two rows of struts were installed.
Section D: Cantilever secant piled wall (1m diameter spaced at 0.85m) was installed for the neighbour side to support excavation from -15.5 to -19.2m levels.

Piles

For Bab El Qasr the piles were 1500mm, 1200mm, and 1000mm in diameter with toe levels extending to 43m deep. The 1500mm piles were subjected to up to 17,600kN compression while the 1200mm piles were subjected to up to 6,650kN tension forces.

For the Emirates Pearl 1500mm compression piles and 900mm and 800mm tension piles where used. The compression piles were heavily loaded up to 24,500kN and their toe extended down to 45 m depth. Uplift loads ranged up to 5,200kN on tension piles.

Geotechnical Analysis carried out with the Oasys Suite

Shoring

The shoring design was done using Oasys Frew (Flexible Retaining Wall) – an advanced retaining wall design program. Frew gives the user the power to design a wide range of embedded retaining walls in a variety of soil types, under an assortment of loading conditions. The required toe level and the bending moment distribution based on the B.S. 8002 are obtained.

The Caqout and Kerisel method was adopted in this analysis, in which the earth pressure coefficients are based on logarithmic spiral failure surfaces which yields more realistic results.

Pile

Along with the capacity and section analysis, a lateral pile analysis was done using Oasys Alp.

Detailed soil / pile interaction analysis was carried out to evaluate the shear forces and bending moments in the piles due to applied lateral loads. The piles were structurally designed for the combined action of lateral and axial loading. A load factor of 1.5 was used in the design.


Construction

Site Testing
The actual loads on struts were monitored and recorded by means of strain gauges. These strain gauges were installed at approximately 1/3rd of the strut length from both ends of the strut and as far away from the support piers and diaphragm wall joints as possible. In pair, the strain gauges were arranged 180 degrees apart.

The raw frequency data obtained from the reading was converted using the calibration equations into strain which is then used to calculate strut load. The following figures show a graphical representation of the strut load calculated from the strain gauges’ readings for the 1st and 2nd rows of struts. The loads were plotted against the time of reading.  Based on the dates indicated on charts, the reading of strain gauges was performed after reaching the maximum excavation depth.

The following charts present a brief comparison between the strut load from the strain gauges reading and the strut loads from the shoring design.

The charts show a close correlation between analysis results and site readings.

Design Struts Loads and Strain Gauges Readings on 1st Row:

Design Struts Loads and Strain Gauges Readings on 2nd Row:

Credits
Client: Tourism Development & Investment Company/Atlas Telecom JV & Emirates Morocco

Consultant: Arkan – RWT & Surbana – APG

Main Contractor: NSCC International

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