ᐅ Retaining Wall/Terrace/Structural Engineering – Does Our Plan Work?
Created on: 23 May 2018 15:30
T
Tombert
Hello,
maybe you can help me.
I would like to build a retaining wall for my terrace. I plan to build it using 17.5 formwork blocks. The wall will be reinforced horizontally with 6mm (0.24 inch) and vertically with 14mm (0.55 inch) reinforcing bars.
Attached is a sketch.
My question is whether my plan would work like this?
Thank you very much for your help!
Best regards
maybe you can help me.
I would like to build a retaining wall for my terrace. I plan to build it using 17.5 formwork blocks. The wall will be reinforced horizontally with 6mm (0.24 inch) and vertically with 14mm (0.55 inch) reinforcing bars.
Attached is a sketch.
My question is whether my plan would work like this?
Thank you very much for your help!
Best regards
Thank you very much for the tips and suggestions.
I am now considering making the terrace only 1.00 meter (3.3 feet) deep and having 1-2 steps up to the house.
That is probably safer.
According to the PDF, a retaining wall of 1 meter (3.3 feet) with a standard strip foundation including reinforcement is feasible.
One more question: If I make the terrace 1 meter (3.3 feet) deep, I won’t have 30 cm (12 inches) of space for gravel at the upper area near the old stairs (see the sketch again for reference). Is it absolutely necessary to use gravel, or would the stairs suffice as a base? The stairs are made of concrete.
So I would only apply crushed stone or sand as a bedding layer for the paving...
Thank you so much for your help!
I am now considering making the terrace only 1.00 meter (3.3 feet) deep and having 1-2 steps up to the house.
That is probably safer.
According to the PDF, a retaining wall of 1 meter (3.3 feet) with a standard strip foundation including reinforcement is feasible.
One more question: If I make the terrace 1 meter (3.3 feet) deep, I won’t have 30 cm (12 inches) of space for gravel at the upper area near the old stairs (see the sketch again for reference). Is it absolutely necessary to use gravel, or would the stairs suffice as a base? The stairs are made of concrete.
So I would only apply crushed stone or sand as a bedding layer for the paving...
Thank you so much for your help!
Tombert schrieb:
I’m thinking about making the patio just 1.00 m (3.3 ft) deep and having 1-2 steps up to the house. One step is the most annoying tripping hazard you can build.
Tombert schrieb:
According to the PDF, a retaining wall of 1 meter (3.3 ft) with a standard strip footing including reinforcement is feasible. Your problem is not the structural stability of the wall itself, but that you don’t understand the need for lateral anchors.
Your wall is subjected to one-sided earth pressure. It might help if you imagine the soil as a fluid.
The planned reinforcement will only make the wall stiffer, allowing it to topple more rigidly.
Lowering the patio won’t help at all, except that you’ll end up with a patio that’s no longer level with the ground floor.
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