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You are quite right. Memo to self - get life insurance asap and cancel cruise insurance

Unfortunately I am quite ugly, wrong side of 70, had cancer, heart attack and acute kidney failure but I blame the wife as because she felt anxious once about travelling in the car (nothing to do with my driving) she saw the doctor who gave her a few pills, of course this has to be flagged up...

Yes, but its for 2 people

Well me and the wife are in the Caribbean for 2 weeks cruise in Feb, just a ordinary balcony cabin mind you but at £1300 insurance I wonder whether I should just sleep in the mortuary room

Why is there going to be a gap, boards pushed up tight to ceiling?

But don't tell the missus

Was that in anger or frustration?

I thought paving slabs were compressed during manufacture to give a denser and more durable product, the planters will be compacted by gravity and prodding

Well a standard lintel will be designed with a 1/300 defection limit at design load which in your case means 10mm, usually a limit of 5mm for bifolds but depends on manufacturer. But as your lintel will not be loaded to its limit the deflection will be less, determine the load and ask the...

No, but at a guess I don't think it would take much load before failure due to the tension properties in concrete being about 10% of its compressive strength so for a 30N/mm2 concrete the tensile strength would be 3N/mm2 which is 150 times less the HY reinforcement

Watched a video on a concrete slab reinforced with glass fibre verses rebar and the rebar resisted 4x the load, also at failure the fibre slab was in 2 halves after loading whilst the rebar still held the concrete together in a fashion. I don't think we are ever going to see rebar replaced by...

Stranded fibre glass is there to prevent thermal cracking during drying, on small planters I would imagine the dimensions involved do not particularly lead to any drying stresses being set up so fibre not necessary

You are making some planters not building a reinforced multi storey car park (last time I performed a slump test) , forget plasticiser unless you are going to start laying bricks , just careful methodical tamping of a well mixed workable but not to sloppy batch as you fill the mould using a...

MOT was a Ministry of Transport spec for grading sub grade material (63mm or 40mm to dust) for road construction, nothing to do with concrete ballast. As long as what you are filling is 2.5 x larger than the largest stones used the compaction and finish of concrete will be OK, your 1 to 6 mix...

As long as you have vibrated/tamped your concrete in the planter to get rid of the air bubbles I think the end result will be OK

Interesting comment, on an evenly loaded floor half the load is carried at each end of the joist which is resisted by whatever the shear resistance of the joist is, the nearer a point load is to that end the greater the shear force. Since more than half the joist has been cut away the shear...

:LOL: :LOL: :LOL: Unfortunately not. My return on shares over the past year has been about 20% which includes their gains and the dividends reinvested so at £5000 a week care fees for me and the wife we could last for about a year ( not taking into account govt pensions and company pension)...

Yes its nice to make/save a few bob but at the end of the day there are a lot more important things in our lives. Hope things work out OK

You could assume the rafters are normal rafters supported with a central beam and see what the calcs throw up re BM and deflection. Width ,depth and span required and dead load of tiles and if those short braces actually rest on a supporting wall below assume they act as a purlin this...

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