Search: Posts Made By: tony.g
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Replies: 5
Views: 1,214
Posted By tony.g

Why can't you just cut a pocket in the existing...

Why can't you just cut a pocket in the existing fieldstone wall?
Replies: 2
Views: 1,039
Posted By tony.g

It could be one of a number of reasons. By...

It could be one of a number of reasons.

By the latter part of the 19th century, continuous mouldings on blocks of stone would be cut not by hand but often by mechanical means, particularly in...
Replies: 6
Views: 980
Posted By tony.g

When pointing brick veneer skins attached to...

When pointing brick veneer skins attached to timber framing, it is not adviseable to use a hammer and chisel because this can shake the skin loose (the ties to the frame are generally thin and...
Replies: 6
Views: 24,287
Posted By tony.g

Steel lintels in that position will inevitably...

Steel lintels in that position will inevitably rust, though the rate is quite slow and it is unlikely to be a serious problem for some years, depending on exposure.
As Xsleeper advised, there need...
Replies: 5
Views: 2,254
Posted By tony.g

Andrew; If this is what you're on about, I...

Andrew;
If this is what you're on about, I would think you would be ok filling the core with rubble, if only to provide a temporary support for some concrete. The core will settle over time and, as...
Replies: 12
Views: 7,140
Posted By tony.g

G.R. If I am reading you correctly, is this...

G.R.
If I am reading you correctly, is this your situation? If that's the case, the load-path on the left will of course be interrupted by the door.

However, the load imparted by the end of the...
Replies: 16
Views: 14,407
Posted By tony.g

Your design looks good and you have obviously...

Your design looks good and you have obviously considered it in some detail. But buried deep in the replies is an easily-overlooked note by Bridgeman about bracing. Might not be strictly necessary in...
Replies: 12
Views: 7,140
Posted By tony.g

Correct; the load-path 'fans out' at...

Correct; the load-path 'fans out' at approximately 45 deg. from the point of application.
But you still have to be careful that the localized stress in the wall of the block immediately under the...
Replies: 6
Views: 1,266
Posted By tony.g

From a purely structural aspect, I don't think...

From a purely structural aspect, I don't think that crack would be a problem, particularly when the weight of the house is on it, providing a degree of lateral restraint. Water penetration might be...
Replies: 5
Views: 2,299
Posted By tony.g

Pilot Dane is correct about a steel structure. ...

Pilot Dane is correct about a steel structure.
It's well before my time but during WW2 in the UK poorer people were given
steel shelters for protection in air raids.
They came in kits which were...
Replies: 1
Views: 1,782
Posted By tony.g

You say it's a very old house, but have the...

You say it's a very old house, but have the stains appeared only recently?

Usually (but not invariably) the white stains are efflorescence, which is normally harmless. It is just salts drying out...
05-14-13, 02:37 PM
Replies: 3
Views: 741
Posted By tony.g

If the exising are 2x4, why does the new have to...

If the exising are 2x4, why does the new have to be 2x8?

Depending on the span of your new rafters, it is sometimes possible to use a reduced size by simply putting more rafters in. (for example,...
Replies: 19
Views: 2,439
Posted By tony.g

If they are outside but under cover (eg a roof)...

If they are outside but under cover (eg a roof) they would not need caulking.
It certainly would not add anything to the strength of the combined beam.
Replies: 2
Views: 1,479
Posted By tony.g

On the one hand, that doesn't look like a...

On the one hand, that doesn't look like a settlement crack. It's fairly even in width top- to-bottom, and has occurred at the middle of the wall. These are typical symptoms of a strong mortar and...
Replies: 6
Views: 1,507
Posted By tony.g

By 'breeze block', presumably you really mean the...

By 'breeze block', presumably you really mean the lightweight aerated concrete block? (True breeze blocks have not been made where you are for many years. If the house is 1970s, it will probably be...
Replies: 1
Views: 1,828
Posted By tony.g

Expansion joints are generally only needed in...

Expansion joints are generally only needed in long walls built of clay brick, not in cmu walls.
CMU walls undergo initial shrinkage (rather than expansion) and need movement control joints. The...
Replies: 6
Views: 1,514
Posted By tony.g

If you mean rsj, you won't find an rsj to span...

If you mean rsj, you won't find an rsj to span 18m
This is a DIY site, not a civil engineering site!
Replies: 8
Views: 1,777
Posted By tony.g

jgavin; re. your figures. You say the...

jgavin;
re. your figures.
You say the combined live and dead load is 736 lbs/foot; Is that right?
If the 9ft side is against the wall, that would mean the wall ledger is carrying 9 x 736 lbs,...
Replies: 5
Views: 7,746
Posted By tony.g

One possibility is the differential movement...

One possibility is the differential movement between brickwork and concrete.
It goes like this; after the initial set, concrete gradually shrinks as the chemical changes within it occur. On the...
Replies: 10
Views: 1,959
Posted By tony.g

You can never be 100% certain from pics, but...

You can never be 100% certain from pics, but those cracks are typical of CMU wall shrinkage. If the crack is roughly the same width top-to-bottom, that suggests normal shrinkage. If it is noticeably...
Replies: 14
Views: 1,576
Posted By tony.g

To stabilize it properly, you need 'X' bracing on...

To stabilize it properly, you need 'X' bracing on two sides - see rough sketch.
The braces could be out of 1x4, and should go from as low as ossible on one post to as hich as possible on the...
Replies: 16
Views: 3,548
Posted By tony.g

Maybe it's just to retain a flower bed/planter or...

Maybe it's just to retain a flower bed/planter or something similar.
If the bricks have holes (perforated) he wouldn't need any expamet as the mortar binds into the holes.
The wall needs to have...
Replies: 16
Views: 3,548
Posted By tony.g

Why does everyone seem to think his wall will...

Why does everyone seem to think his wall will fail? At 12" high it will not be under any great lateral pressure and the thickness he is proposing will be fine.

If the bricks are solid and flat on...
Replies: 9
Views: 4,393
Posted By tony.g

If you post a couple of shots of the outside...

If you post a couple of shots of the outside showing the whole window opening, we might get a better idea of what is going on
Replies: 13
Views: 7,159
Posted By tony.g

The two pics are OK so far as they go, but cracks...

The two pics are OK so far as they go, but cracks also need to be shown in their context. A few wider-angle pics showing alittle more of the house would give a better view of what might be going on.
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