Foundation Crack Repair New Jersey
There are two common reasons for opting only to support a structure:
1. You only need a small part of your foundation replaced but the rest of the house, additions or sections are fine and do not need to be lifted.
2. You would like to turn your crawlspace or short basement into a full basement but do not want your house ending up at a higher elevation than what it is now.
Shoring is the provision of temporary support to buildings that are not safe or need to be supported while work is being done. It is important that when cutting new openings in walls for doors and windows or replacing lintels above openings that these are not attempted without first supporting the building. If this work is done without suitable support there is a chance that the building may be damaged or even collapse.
There are a few different Shoring Methods that can be used: raking shores, flying shores and dead shores.
Raking shores consist of inclined boritis called rakers. One end of the raker is placed against the wall whilst the other sits on the ground. They are used to support walls that have begun to lean or bulge. The most effective support is given if the raker meets the wall at an angle of 60 to 70 degrees. In tightly packed areas like the Stone Town, this angle will be determined by the space available, and the width of the footway.When providing support to an unsafe building, it is often necessary to use both raking and dead shores together
Flat boriti struts used to provide temporary support to two parallel walls where one or both show signs of failure. The most common use for this kind of support in the Stone Town is where one house in a terrace has collapsed and some support has been lost to the houses on either side. For distances between walls of up to 9m or less, a single shore may be used. For distances up to 15m, a compound or double flying shore is needed. A single flying shore consists of a horizontal length of boritis set between the walls in need of support. The ends rest on needles set into the wall and are stiffened by inclined struts above and below at either end. The struts also provide added support to the walls and must be set to coincide with floors. As with the raking shore, timbers must be placed with care in order to avoid damage.
Stout boritis placed vertically are used to support floor and roof slabs weakened by rotting boritis. They also form part of the support system needed before new openings can be cut through existing walls. Additionally, dead shores should be used to relieve damaged walls of much of the weight of floor slabs set into them. When used to support floors whilst new openings are cut through the walls the props support needles. Needles are very strong timbers or sections of steel placed right through the wall and at 90 to its face. The needle supports the weight of the work above and transmits it to the dead shore.
When using dead shores to support a failing floor or roof slab it is very important that all of the slabs to the rooms beneath are supported in the same way. This will ensure that the weight of the slab in need of support is carried right through the building and down to the ground. Any cellars or rooms below ground level must also be strutted. Shores are placed on sole plates of timber planking laid parallel to the walls and set about 1/3 of the width of the room in. The purpose of this is to spread the weight transmitted through each of the props over a wider area of slab and make it easier for the props in the rooms beneath to continue the load down to the ground. Directly above the sole plates, heading boards must be nailed to the underside of the boritis of the slab above.
The shores themselves are placed between the two sets of horizontal planks and firmly tightened into position by driving home sets of folding wedges placed between the tops of the shores and the heading boards. The props, when in position, can be further strengthened by nailing planks diagonally across them, reducing any tendency to bend.
If this is something you are looking for foundation support in New Jersey, New York, Connecticut and Houston, Texas please call W.A. Building Movers for a free quote!
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