5th Nov 2011
Acrow Props - The way to select The correct Prop To your Project
Precisely what is An Acrow Prop?
Acrow props is so visible on many construction sites and so are utilized to support a structure or transfer a lot. Construction props usually are utilized to support concrete form work although the concrete is curing in order to support a roof or overhead structure while removing, replacing or repairing a wall or another supporting structure. They are an easy task to position and are fully adjustable with in the peak variety of the prop.
Acrow props include two circular steel tubes, an inner tube using a top plate that slides top to bottom freely within the outer tube which is connected to the base plate. The inner tube has holes down its length for you to quickly extend the inner tube to just below the wanted height and insert a steel pin to lock in that length. To increase the prop on the correct height the top outer tube is threaded and a collar, that is just like a nut on the bolt, answers and supports the steel pin. So by rotating the collar and moving it it extends the inner prop. This enables you to attain the exact height required.
When it comes to using Acrow Props for your project you do have a numerous choices to choose between. Acrow Props also come in 5 sizes from your No.0 to your No.4, so how do you select the right prop to your project?
Commence with Your Propping Height
Well the 1st step should be to glance at the height or distance that you are trying to prop. Don't use props which have been short by causing up the gap with timber and other packer and also take advantage of the correct length prop for the job. Similarly, should your propping distance is within the limit in the fully collapsed prop it may be best to pick out the following size right down to make sure there is certainly enough adjustment from the prop if you have a little variation on site.
The subsequent table is going to be used as being a general guide only as specifications will vary with some other suppliers. Book with the supplier for his or her specific specification.
No.0 -- 1050 - 1830 mm ( or 3.44 - 6.00 feet)
No.1 -- 1600 - 2800 mm ( or 5.25 - 9.18 feet)
No.2 -- 1900 - 3400 mm ( or 6.23 - 11.15 feet)
No.3 -- 2170 - 3975 mm ( or 7.12 - 13.04 feet)
No.4 -- 3100 - 4900 mm ( or 10.17 - 16.07 feet)
Estimate The Load That You Need To Support.
The 2nd step is usually to evaluate what load the prop is needed to support. You will need to talk to your Engineer or some other responsible persons in connection with weight of the overhead structure to allow them to know very well what loads have to be supported. In which the load is more than the capability of merely one prop you can use multiple props to increase the supported load in a given area.
The following table shall be used to be a general guide only as specifications may vary with various suppliers. Booking using your supplier with regard to their specific specification.
No.0 -- 22 - 42 KN -- 2243 - 4282 kg ( or 4945 - 9442 lbs)
No.1 -- 12 - 34 KN -- 1223 - 3467 kg ( or 2697 - 7643 lbs)
No.2 -- 11 - 39 KN -- 1121 - 3976 kg ( or 2472 - 8767 lbs)
No.3 --- 7 - 35 KN --- 713 - 3569 kg ( or 1573 - 7868 lbs)
No.4 --- 7 - 20 KN --- 713 - 2039 kg ( or 1573 - 4496 lbs)
Ensure that wherever you use a construction prop the fact that structure at the base plus the head in the prop are solid and strong enough to assist the wanted load. If you have question the idea will be a wise decision to spread the impact of your prop by using a spreader beam or plate.
Acrow Props hire
Do not forget that the best selection of your props is crucial on the safety and efficiency of your building site and must always be signed off by the well qualified engineer or another qualified person.
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