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Create free accountTrade Agreement: Agreement on Internal Trade (AIT) Tendering Procedures: The bidder must supply Canadian goods and/or services Attachment: None Competitive Procurement Strategy: Best Overall Proposal Comprehensive Land Claim Agreement: No Nature of Requirements: Title: Numerical modeling of soil behaviour under blast loading. Objectives:
The main objective of this contract is to improve numerical modeling of the soil response under blast loading by implementing a constitutive material model in LS-DYNA for a sandygravel soil, by determining its parameters using laboratory tests and/or in situ tests and then, by validating the constitutive model with finite element (FE) simulations. The level of degree of water saturation and the rate of deformation will have to be included in the soil constitutive models to be developed. Other parameters such as level of compaction and particle size and distribution may have to be included in order to improve soil behaviour prediction under blast conditions.
DRDC Valcartier often uses empirical model such as Westine model to predict the deformation of simple geometries [Toussaint and Bouamoul, 2010]. Measurements (displacements, velocities) between experimental and numerical results on target are usually compared and validated. However, when complex interactions between the soil and structure must be modeled, or when the test conditions are out of the empirical model tested conditions, a better understanding of soil behaviour is required.
Constitutive soil models developed for static or quasi-static loading are different than the ones developed to simulate soil behaviour under high strain rate loading [Wang and Lu (2003), An J. (2010)]. Predicting the soil behaviour under blast loading is challenging because of the variety of parameters influencing its behaviour. The soil loading conditions evolves from a pressure wave propagation (near field) to a stress wave propagation (far field) and is influenced by parameters such as the type of soil, degree of water saturation, size of particles, particles distribution, strain rate effect, mine depth of burial, etc. are all parameters that may have to be considered. The variability in experimental blast tests have shown the importance of identifying these critical factors in order to get more reproducibility in field trials and in order to develop good constitutive soil models that will be used to predict mine blast effects on structures. For example, Wang et Lu (2003), Wang et al. (2004), Grujicic et al. (2008), Grujicic et al. (2009), Pandurangan (2009), An (2010) and An et al. (2011) have implemented factors such as the degree of water saturation and the rate of deformation in their soil material models.
In order to achieve the project objectives, the contractor must carryout the following tasks: Task 1: Literature review Task 2: Development of a soil constitutive model Task 3: Implementation of the constitutive soil material models in LS-DYNA Task 4: Laboratory tests and/or in situ tests Task 5: Constitutive soil model validation with FE simulations Task 6 : Reports and deliverables
The period of the resulting contract is from the date of the contract award to March 31, 2015.
The services will be rendered to Defence Research and Development Canada (DRDC-Valcartier).
The maximum funding available for the contract resulting from the bid solicitation is $200,000.00 CAD (Goods and Services Tax or the Harmonized Sales Tax extra, as appropriate). Bids valued in excess of this amount will be considered non-responsive. This disclosure does not commit Canada to pay the maximum funding available.
Technical Proposal 50 points minimum 18 points Experience of the main resource 30 points, minimum 5 points Bidder's experience 15 points, minimum 5 points Total: 95 points minimum 28 points.
Basis of Selection - Highest Rated Within Budget
(a) comply with all the requirements of the bid solicitation; (b) meet all mandatory technical evaluation criteria; (c) obtain the required minimum points for each group of criteria a pass mark; and (d) obtain the required minimum points overall for the technical evaluation criteria which are subject to point rating.
Bids not meeting (a) or (b) or (c) or (d) will be declared non responsive. The responsive bid with the highest number of points will be recommended for award of a contract, provided that the total evaluated price does not exceed the budget available for this requirement. In the event that the highest number of points is obtained by more than one responsive bid, the responsive bid with the lowest evaluated price will be recommended for award of a contract.
Code of Conduct
IMPORTANT NOTICE: New measures related to Code of Conduct and certifications included in the solicitation documents requiers attention.
- The requirement is subject to the provisions of the Agreement on Internal Trade (AIT). - The requirement is limited to Canadian services. - This PWGSC office provides provides procurement services to the public in both official languages.
This PWGSC office provide purchasing services in both official languages (French and English.) / Ce bureau de TPSGC fournit des services d'approvisionnement dans les deux langues officielles (français et anglais)
Contracting authority Marie-Michèle Boudrias N° de téléphone - (418) 649-2806 Nº fax - (418) 648-2209 E-mail - marie-michele.boudrias@tpsgc-pwgsc.gc.ca Delivery Date: Above-mentioned
The Crown retains the right to negotiate with suppliers on any procurement.
Documents may be submitted in either official language of Canada.
Not stated in the notice: procurement type, procurement method, selection criteria, region of delivery, region of opportunity, expected contract period, end user
The source reports 6 amendments. CanPursue observed 1 of them with dates.
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