The steel has to extend 3 feet into the main wall and 3 feet into the shorter wall beyond the point where the footing starts.
Pump concrete into bearing wall.
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Knowing the load bearing capacity of your concrete is essential to make sure that what you plan to have supported by the wall or slab will not be too heavy and cause it to crack and break.
While cracks in a slab may not seem like a big deal the smallest crack represents a large amount of downward pressure that may be crushing pipework beneath.
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Cinder blocks are less expensive to work with than poured concrete in home construction projects but they are not as strong you can make up the difference by spending a little more to reinforce the blocks a project that is still less expensive than using just poured concrete.
Before removing load bearing wall there must be a beam that needs to be designed to carry all the loads that the wall carries.
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This beam has to be on site ready to install before removing walls.
A typical house situation where a 4 foot garage frost wall has to span 4 feet or less and tie into the main foundation calls for two 4 bars at the top of the wall and two 4 bars at the bottom.
A decision was made to pump the walls from the bottom up using a superplasticized concrete that would require only minimal vibration.
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When concrete is pumped it is separated from the pump line walls by a lubricating layer of water cement and sand.
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Whenever you are working with cinder block you can strengthen them significantly by filling them with concrete.
Pouring lite form foundation walls using a pump truck to fill the walls with concrete.
Naturally the concrete mix must be suitable for its particular application but it must also contain enough water for the mix to move easily through the reducers bends and hoses found in most basic pipeline setups.
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Removing load bearing wall.
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Like framing a house materials for framing walls to temporarily support the floor or roof load while the wall is being demolished are also needed.
Never attempt to modify a load bearing wall whether cutting into.
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But serpentine walls above the arches were 8 inches thick with enough reinforcement to make consolidation difficult.