How Much Weight Can A 8x8 Post Hold

Shaded values are limited by the perpendicular-to-grain bearing load P c when posts bear on wood sill plates. Add that number to the previous total 657850.

8 X 8 Gate Post W Burton And Sons

These should be the numbers you base the amount of posts on.

How much weight can a 8x8 post hold. Table 5 AXIAL COMPRESSION LOAD CAPACITY FOR 8x8 and 8x10 COLUMNS Column Capacity lbs Column Select Structural No. I did a little research I think youre off on your estimated support weight. It looks like the posts will hold a little over 11000 lbs each 115 extended.

How much weight can a 8x8 post hold. Post heights are based on standard precut stud heights and associated top plate heights. Im creating a 13foot opening in a weight bearing wall.

You are looking at a pretty massive beam to carry any 20 span. 2 Species Length ft 8x8 8x102 8x101 8x8 8x102 8x101 8x8. If a particular species of wood can support 1000 psi then an 8x8 post can hold.

As has been mentioned there is simply no way an 8x8 is going to carry 20 even carrying its own weight. Add those 2 numbers 517850. Where posts and sill plates are different species Designer shall limit allowable load to the lower of the post.

I used the little bit of data avaliable from that info to create a formulagraph extrapolating the weight that such a beam could hold. I definitely dont want to guess. People 8 x 175 average weight of user 1400 lbs.

My question is will a 8x8 white pine beam suppor. But you need to add up the loads based on values that go with your allowable stress. For maximum design load you should be safe using 400 psi thats about 12000 lbs.

So thats good to know. Such calculations would hold if for instance the load is square. The formulas and tables list nearly every span imaginable along with all the various design loads.

However if the post is a stronger grade the strength goes up quite dramatically. The list contains the most popular sizes for wood. I found that the breaking point is about 888 ft.

With the post in the vertical position total height of 9 feet it is estimated to around 5000 lbs with a perfect weight repartitions on both 44 ends. Use the drop downs to select a size for the lumber. Load capacity of wood columns.

It will undoubtedly sag over time. I want to thank ecnerwal for that link. Calculate the weight of kiln dried pine green oak and pressure treated wood with this free and easy online tool.

3 Wood pressure treated can loose 20 of its strength and if its installed outside in a rainy or high humidity climate can loose an additional 15 of its strength. Id like to know how much weight a 4X6 4X8 and 4X10 wood beam can carry over a 15 foot span. Effective post lengths l e are the actual wall height minus the thickness of 3 2x plates 4 12.

That being said a post can hold a tremendous amount of load. Im doing decorative beam work in this house. So it is interesting that you have a 175 ft piece.

Allowing for buckling allowable compressive stress is roughly 475 psi Area is 30 sq in so the allowable force in the post is 14300 lb. Typically we like to limit the weight to about 40 lbsqft on an unknown 4 slab. So for your chair outside with 7-6 span Id recommend 2-2x6 of Select grade or better or 1-2x8 of number 1 grade or better.

So as you can see the largest hot tub is just a hair over 100 lbs per square foot and thats if 8 people are in it. That puts you at eiter 9250 pounds or 12950 pounds with 185 sq feet. The first thing you should do is check the grade stamp.

Divide that by the number of square feet 64 10279. Wall height is nominal height plus 1 18. The weight would be evenly distributed.

In most cases you can go to 80 lbsqft in isolated spots but unless you know roughly what the soil bearing and reinforcing is for that slab you might be looking at cracking. The wall supports 28 trusses at a 412 pitch. We strive to provide opinions articles discussions and history related to Hearth Products and in a more general sense energy issues.

If it is not on the list then it may be necessary to use another size and adjust it accordingly. Similarly you may ask how much weight can a 2x4 hold horizontally. Calculate the Weight of Wood.

Most decks are built to a 50 pounds per square feet and high capacity decks are built to 70 psf. Thanks for the site thumbsup. If there is no strong wind a 2x4 measuring at least 8 feet can support at least 1000 pounds vertically.

Post Capacities Simpson Strong Tie