Terms & Conditions

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Data Security

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Software Licensing Terms


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.

All data is stored in secure electronic systems accessible only to Oasys staff with both valid network login credentials and specific authorisation to access the system.  Our systems further limit data access by role to ensure data is available only to those who have a specific need to see it.

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.

Data Security Notice Updated 27th February 2020

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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Superseded Versions of Terms and Conditions

Oasys keeps copies of all superseded versions of its terms and conditions.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

Support and maintenance is included with all subscription licences for their full duration.

Annual maintenance contracts are available for software under a perpetual licence, prices are based on a percentage of the most recent list price.

This service includes:

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

XDisp FAQ

Xdisp – What are the changes to the utility damage calculations in 19.4 when compared to 19.3?

                             19.3                              19.4

Jointed and Unjointed

Does not differentiate between jointed and unjointed utilities Differentiates between jointed and unjointed utilities.

An input option is provided for this.

Pullout and Rotation

Pullout and rotation assessment calculations are performed for all utilities

 

Pullout and rotation assessment calculations are performed only for jointed utilities

 

Pullout is simply calculated as product of pipe length and the axial strain.

Pullout at a joint is split into contribution of left segment and right segment.

For each segment axial pullout and flexural pullout are calculated and reported.

Axial pullout is calculated as product of pipe length and the axial strain. Axial pullout at a point is reported as combination of average horizontal movements along pipe length upstream and downstream of it
Only axial pullout is calculated. Axial and flexural pullouts are calculated for each segment and total are reported in the output.
Reduction factor is applied and factored value is reported. Factors can be input for axial and flexural.

For every pullout component unfactored and factored values are reported.

Factored values are checked for failure criteria.

Only unfactored rotation is reported. The user is allowed to input a factor for rotation and both unfactored and factored rotations are reported.

 

Unfactored rotation is checked for failure criteria. Factored rotation is checked for failure criteria.

Strains

Strain assessment calculations are performed.

 

 

 

Pipe length is used in calculations.

Strain assessment calculations are performed for both jointed and unjointed utilities, with both types then considered as a continuum.

 

Displacement interval is used in calculations. Pipe length is not required in this case.

 

Axial strain is calculated considering the pipe length as explained above. Axial strain is calculated as the ratio of change in length between adjacent mid-points of displacement intervals, to original length.
Flexural strain is calculated as explained in the help file. Pipe-length is used in the calculations. The calculation is the same, but the pipe-length in the old calculation is replaced by the displacement interval.
The user can differentiate between a pipe and brick sewer through input. For brick sewers the lever-arm is taken as diameter of the utility instead of radius. This differentiation is no longer available through direct input; instead factors (tension and compression) are provided for flexural strain, which are applied while calculating total tension and total compression, which can be modified to suit the requirement. The default value of this factor is 1.

For brick sewers written in 19.3, tension factor would be 2 and compression factor would be 0.

To neglect or include the beneficial contribution of axial strain is not an option. “Neglect beneficial contribution of axial strains” option is provided. If this option is checked, then the beneficial contribution of axial strain is ignored in the calculation of total tensile and compressive strains.
No strain orientation angle is reported The direction in which peak flexural strain occurs is reported as strain orientation angle.
No radius of curvature is reported Radius of curvature is reported. Additionally the user can treat this as one of the failure criteria.
While calculating total strains (tensile and compressive) the appropriate (tension or compression) reduction factor is applied to axial strain. The total strains thus calculated with factored axial strain are reported. While calculating total strains (tensile and compressive) the appropriate (tension or compression) factor is applied to axial strain. In addition to this, flexural strain is also factored (with tension factor for calculating tensile strain and with compression factor for calculating compressive strain). The total strains thus calculated with factored axial strain and factored compressive strain are reported.

 

In addition unfactored values of axial, flexural and total are also reported.

Results

Utility damage assessment results are reported in a single table. Utility damage assessments are split into three:

1)       Coordinates and Dispalcements

2)       Pullouts and Rotations

3)       Strains

Others

Reduction factors could be input for:

1)       Pullout

2)       Axial strain

Factors could be input for:

1)       Pullout – axial

2)       Pullout – flexural

3)       Rotation

4)       Axial strain

5)       Flexural Strain – tension (used in calculation of total tension)

6)       Flexural Strain – compression (used in calculation of total compression)

Displacement polylines could be input, which can then be used for specific utility damage assessment.

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