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  • Users: Marc_Bloke
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  1. Marc_Bloke

    low thermal conductivity concrete

    Hi there, Does anyone have any experience with aggregates or methods of reducing the thermal conductivity of concrete? Thanks, Marc
  2. Marc_Bloke

    Injection Moulding Quote Calculations

    Hi there, Can anyone shed some light on how an injection moulding company will compile a quote for a certain part? I have no experience working within and Injection Moulding Company but using some logic this is where I'm at at the moment (please correct me wherever my logic was in fact...
  3. Marc_Bloke

    Concrete boom pump - extra pressure on formwork

    Hi there, Does anyone have any advice or experience calculating the additional pressure on formwork when concrete is being pumped out of a boom pump from a great height? Thanks
  4. Marc_Bloke

    Concrete boom pump into ICF / force on plastic ties

    Hi there, I'm trying to calculate the force exerted on plastic ties in an ICF system. If the maximum pour height is 3m then the maximum pressure would be 2500 (density of concrete) * 9.8 * 3 (height) = 73.5KPa. The pressure will obviously highest at the bottom, therefore the tie at the bottom...
  5. Marc_Bloke

    Prototype tooling - part came back under strength and brittle

    Hi there, I recently received a batch of injection moulded parts from an aluminium prototype mould tool. The material used was Zytel 70G30HSLR. Upon receipt of the parts I noticed how brittle they were in comparison to other glass filled PA products - in particular a 50% glass filled part I...

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