Simulation of Air Blast Explosions on Wood-Concrete Slabs Reinforced with BFRP Laminates Using Abaqus

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Duration: 19m
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level:Intermediate

Simulation of Air Blast Explosions on Wood-Concrete Slabs Reinforced with BFRP Laminates Using Abaqus

Course Content

Simulation Files

  • Tutorial Video
    19:09
  • Modeling Files

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Who this product is for :

  • Civil Engineers
  • Mechanical Engineers
  • Engineering Students

File collection

Simulation Files

  • Tutorial Video
    19:09
  • Modeling Files

Student Ratings & Reviews

No Review Yet
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Description

Product Overview:
In this tutorial, we explore the simulation of air blast explosions on a Wood-Concrete slab reinforced with Basalt Fiber Reinforced Plastic (BFRP) laminates using Abaqus. The wood-concrete component is modeled as a three-dimensional solid part, while the BFRP is represented as a shell part comprising eight layers. Additionally, the steel reinforcement embedded within the concrete is modeled as a three-dimensional wire part.

Addressing energy and environmental challenges is crucial in the context of sustainable development. Utilizing bio-sourced materials combined with a cementitious matrix presents a viable alternative to conventional construction materials, offering both economic and ecological benefits. Biomaterials such as wood fibers can be derived from recycled timber or sustainably managed forests, making them cost-effective and environmentally friendly.

To model the mechanical behavior of the wood-concrete composite, the Concrete Damage Plasticity Model (CDPM) available in Abaqus is adapted. This model effectively captures the complete inelastic behavior of the wood-concrete material in tension and compression, including the effects of damage. In this analysis, the tensile and compressive stress-strain relationships as well as damage parameters are employed. The steel reinforcement is modeled as a material with elastic and plastic characteristics, while the BFRP laminates are treated as elastic material layers, utilizing Hashin’s damage criterion to assess fiber damage.

For this simulation, a dynamic explicit method is suitable, with the steel reinforcements embedded within the concrete matrix and ideal contact assumed between the BFRP and wood-concrete parts. Fixed boundary conditions are assigned to two edges of the slab, ensuring proper constraints. A refined mesh is essential for achieving accurate results during the blast event.

After completing the simulation, a range of results—including stress, strain, tensile and compressive damage, BFRP damage, and reaction force diagrams—are available for analysis.

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Material Includes

  • Concise 23-minute guide to explosion modeling.

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