Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! 3/4" 4x8 Fire Retardant Ply 70.4#/SHEET 2200#/MSF IMPORTANT NOTE: Lumber & plywood weights can vary widely depending on the time of year the material was produced and the location of the producing mill. In most cases you can go to 80 lb/sqft in isolated spots, but unless you know roughly what the soil bearing and reinforcing is for that slab you might be looking at cracking. So I'm wondering if 6x6 would hold up the roof since they are only $30 each and the simpson strong ties are available. If there is no strong wind, a 2x4 measuring at least 8 feet can support at least 1,000 pounds vertically. Hire an engineer. imagelinks[3]="https://woodmizer.com/us/?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=40th&utm_term=2022-02-01&utm_content=800x160" Framers generally nail together several pieces of dimensional lumber to create such . What are your spans? Although Cedar is on the bottom of our list, they are still very suitable for furniture, fences, decks, and other general carpentry. Attach 58 inch (1.6 cm) eyebolts to the caps with nuts and bolts. This number is the footing area - but we need the diameter. I'll be putting 4 posts along the length, each side, and running a beam on top. Change that front double two bye ten to read 16' before you show the thing to the town!! We have received your request and will respond promptly. In addition, a table generally consists of several parts like legs, a frame, and a top panel. If a couple of lags and screws make you feel better, GO FOR IT. Span for 8x8 Timber beam. Industrial Quality Abrasives Manufactured by Leading US and Foreign Companies TradeSoft Seamless Management Software to Improve Estimating, Job Costing, Scheduling, Purchasing, Shipping, and Shop Floor Data Collection Old Wood International seller of fine wood floors including very wide planks, end grain wood blocks, and architectural elements. Left side are different so watch what you are getting. Capacities are per post/column and allow for a safety factor of 5. Once you know the unit loads, multiply by the tributary area to each column to determine the load on each column. I could not tell how wide the garage is, perhaps 14 feet or so? var imagelinks=new Array() Height (ft) Load Area (sq. Keep in mind that 40lb. So, I'd figure on using four 55 gallon barrels just to support the weight of the floating pier. 1 kip = 4448 Newtons (N) = 4.45 kilo Newtons (kN) = 453 kgf. Deck post sizes - 40 psf Live, 10 psf Dead. Helping You to Do It Yourself! Thanks. Thanks. The ultimate load is the defined by area of the roof carried by each post. per square foot for northern areas of the U.S. For rooms which are heavily frequented, it may be 50 lbs. What is it you're buidling? Serving North Marin & West Sonoma Counties in the San Francisco North Bay area of Northern California. random_imglink() Engineered for Maximum Stability and Durability. Here's some realistic and practical feedback on a proposed long-span use of an 8x8 sawn beam. 6. With symmetrical and equal loads the support forces also will be symmetrical and equal. so you have 1 of the posts sort of free floating presuably because the extra 1' of span was too much? So if you plan to glue joints that exert more than 3500 PSI, it will probably fail. myimages[1]="../../../images/top-banner/ez50-banner.jpg" The size of the post is determined by the load it has to carry. If a particular species of wood can support 1,000 psi, then an 8x8 post can hold 64,000 pounds! The flat-faced 24 wood can withstand 20-30 pounds of weight without deforming. The higher your deck is off the ground, however, the less weight per square foot it can take. Cutting a span into pieces, though a PITA to walk around a post or two, is sometimes all you can practically do. Maybe I am just lucky, but dry dirt does not heave. The cost difference between the 6x6 and the 8x8 are minimal. If you choose pressure treated lumber, take note that 85% of pressure treated lumber sold in the US is southern yellow pine, so that is probably what you have. so, what you have listed looks plenty beefy. Click Here to join Eng-Tips and talk with other members! Same goes for a concrete block wall. In general, the strength of wood depends not only on the thickness but also on type, moisture content, and grain direction. A 6610-foot long treated post weighs about 153 pounds immediately after being pressure-treated, but it will only weigh around 87 pounds after it has had time to dry out. Updated: 00/04/25 One thing to keep in mind, not all wood types have the same strength level. vertically. S, 2023 Physics Forums, All Rights Reserved. For example, the length is 20 inches and the width is 15 inches, the area is 300 square inches. Considerably Higher Load Capacity Than Traditional Posts. //specify random images below. The capacity of a 12' tall 6x6 post varies greatly as described above. 4600 140th Ave N. Ste 180, Clearwater, FL, US, 33762. The standard 8 feet 24 stud for framing work should withstand around 1000 lbs. Are you planning on building a fence? Thank you for subscribing to the newsletter! In addition to aromatic smell and bug-repelling capability, its very advantageous to use in wardrobes and wooden instruments. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. The load capacity of a 3-foot #2 grade 44 is 17,426 pounds, and a similar 66 is 20,834 pounds or 16% better. Down the road, I'd like to know what load these logs will carry, if properly supported and properly braced against lateral deflection. Elastic ratios for various wood species at approximately 12% moisture content - see bottom of webpage. 3. Thread Types Bolts, Pipes, Hoses and More, Wood Handbook, Wood as an Engineering Material, 85% of pressure treated lumber sold in the US is southern yellow pine, will probably have a higher moisture content (35%-75%), Drain Pipe Slope Calculator (According to International Plumbing Code), Lumber Weight Calculator for Any Wood Species, Plywood Weight Calculator for CDX, OSB & More, PVC Pipe Calculator (Outside and Inside Diameter), Sod Calculator Estimate Sod for Your Lawn, Wall R-Value Calculator for Wood Framed Walls, Douglas-fir-larch, which can either be Douglas-fir or western larch, Hem-fir, which can either be western hemlock, California red fir, grand fir, noble fir, Pacific silver fir, or white fir, Southern Yellow Pine (SYP), which can either be loblolly, longleaf, shortleaf, or slash pine, Spruce-pine-fir (SPF), which can either be subalpine fir, balsam fir, black spruce, Engelmann spruce, jack pine, lodgepole pine, red spruce, or white spruce, Average equilibrium for interior wood in US ~8%. As an Amazon Associate I earn small commissions from qualifying purchases through this website. Thank you for your well-informed responses. if (ry==0) A number of structural factors affect how much weight a concrete block can hold. For maximum design load you should be safe using 400 psi, that's about 12,000 lbs. var myimages2=new Array() But usually bearing stresses of the beam on the post or the post on support will control. The total load for each tributary area is then divided by the area of each footing in order to determine the load psf imposed on the soil. A well-cured Cedar has a load resistance of 7,500 PSI and compressive strength of 4560 PSI. I am not sure I understand the arrangement, a photo would help immensely, or a sketch. JavaScript is disabled. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. That's a whole new bag, though. However, that number assumes your deck is to code without the deck's weight taken into account. We'll say the tributary load of your interior deck footing is 3000 pounds. Step 1. Allowable wood stress in compression parallel to grain is 850 PSI. Forum Responses JavaScript is disabled. This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. How Much Weight Can A 24 Hold? These numbers were gathered from the internet.>> A piece of yellow pine in an inside dry location can hold 1200 pounds per square inch and a 4" x 4" is really 3 1/2" X 3 1/2" or 12.25 square inches times 1200 is 16150 pounds. imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" After it comes through the planer it will be 1-1/2" X 11-1/4" (so yes, a 2 X 12 does not measure 2" X 12"). The width, 12', will be spanned w/ 2x10's, 16" O.C. john. Effective post lengths, l e, are the actual wall height minus the thickness of (3) 2x plates (4 1/2"). You indicate that the four posts support two 24 foot long beams. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Click for a larger images. As the cell structure of a particular wood type varies so as the load-bearing capacity. 0 Members and 2 Guests are viewing this topic. Z-section steel is usually used in large steel structure plants. Wood glue or white adhesives are a fairly strong joiner. For my "roof", for lack of a better term, which will be 42' long by 12' wide, I will use the aspen logs as columns to support a 42' beam (4 logs under a 42' beam). The cost difference between the 6x6 and the 8x8 are minimal. Helping You to Do It Yourself! 1. Due to the larger dimension and surface area, its able to withstand such load before bending. Most P/T wood is Southern Pine. That said, my house has a "by code" foundation wall, and the new house will go down 48" because it is going to be about 90' long. How much a deck can hold depends on a number of factors relating to that particular deck. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" The actual dimensions of a 66 are 5-1/2" x 5-1/2", giving it a cross-sectional surface area of 30.25 square inches. or 453 kg. People have been using wood as construction materials for thousands of years. Have You Read My All-Time Most Popular Post? WOODWEB is a registered trademark of Woodweb.com. For heavy load operation, its best to use dense and low moisture wood. 3.5inX3.5inX500psi=6125 pounds per contact zone (round down to 6000) So: 2X2 box crib = 24,000 Lb. I think 6x6 word work fine but not look as nice. Is the load centric? Loads must be concentrically distributed evenly over the top of the column shaft. Working harder than ever. Share Improve this answer Follow answered Nov 15, 2017 at 5:19 LRU 51 1 1 7 Yes, it was for doug fir. JavaScript is disabled. imagelinks[2]="https://woodmizer.com/us/Sawmill-Blades?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=sawmillblades&utm_term=2022-05-01&utm_content=800x160" Use 4 sistered pairs as your corner legs. Safe loads for wood columns. Man, I gotta take a nap and clear my head for the next job. j. Hahmakes much more sense now. If I understand you correctly, you have four posts in the garage. ry=1 It may not display this or other websites correctly. Assuming #2 grade, the Fc = 525 psi and E = 1.2. / 298 KG) } how much weight can a 8x8 post hold Home; About; Location; FAQ imagelinks[5]="https://woodmizer.com/Store/Shop/Sawmill-Options/CookieMizer-Clamping-Jig?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=cookiemizer&utm_term=2021-03-09&utm_content=800x160" 16,000. Cb = Bearing Area Factor per NDS 3.10.4. Here is a list of common snowmobile models and how much they weigh (dry weight estimate) - which ultimately contributes to the weight of your trailer: Polaris 600 RUSH PRO-S (432 lbs. Typically, a deck can hold a minimum of 50 pounds per square foot. Let's break it down, using the large 6-8 person hot tub in my chart above as an example. Remarkably, some of it still stands to this date! Next select a length in feet and inches. When a deck is built to code, the code only requires that the deck can hold a minimum of 50 pounds per square foot. Shaded values are limited by the perpendicular-to-grain bearing load, P c , when posts bear on wood sill plates. Other sizes weigh between 28 and 35 pounds, depending on the weight of the wearer. Beam Weight Calculator / Online Steel Beam Weight Calculator. spanning the distance. I hope you'll enjoy all those and find them useful in your daily life. By "unsupported" I meant that the logs will have no lateral bracing to minimize flexing under load; that is my understanding of what an "unsupported column" is.. but, I could be confused, and more than likely a term like "unbraced" or "un-wtf" would be better. Disco: Thanks. The processing length and hole are produced according to the processing requirements. An 8x8 (even with no load) would sag under its own weight at that distance. This is a crucial detail for a wooden structure to be practical and safe to use. Question Values do not consider combined axial and out-of-plane bending. This should be a pretty simple but I am having trouble finding the right information. An older calculator that only computes required . Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. Tributary Areas and Footings A 2x8 up to 12 feet; 2x10 to 15 feet and 2x12 to 18 feet. Wall height is nominal height plus 1 1/8". Answer (1 of 4): Typically we like to limit the weight to about 40 lb/sqft on an unknown 4 slab. MDF is a lightweight composite material in the world of carpentry. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This allows the even distribution of weight through the legs. imagelinks2[3]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" Its also great to test firewood for proper seasoning. For a general idea, we have rounded up these table types and their weight capacity. I've looked at larger beams, but there is always a point where increasing beam size gets prohibitive, either because of cost or beam height. The processing materials are hot rolled (painted) and galvanized. It's not area, as strength was given as proportional to r^3 for either circular or square (with different scaling constants) and w x h^2 for rectangular in a horizontal configuration. This is suppose to keep the beam from twisting. The wall is studded with 2x4 is placing a 4X8 under it "the wrong way" going to cause problems with the weight not being distributed properly on the top of the post? I am building a supplies loft that is 24' x 24'. I may just have to up and buy the thing. j. They correlated right on with trussdoc's calculations. When you have all the data, take the lowest value and add some safety margin. Click here to continue to the latest LBM news. One Year Coaching and Mentorship. Shorter lengths can support more weight. Good to see that math and physics worked back then; dang stuff may NEVER go out of style! When it comes to how much weight a wall can hold, it really depends on the type and thickness of the wall. For this job, I am sure that 6x6 posts would be very adequate, but for down the road I want to know what 8" and 10" logs will carry. The maximum span for roof rafters is 23' 9". We have done quite a bit of work using sawn material, and depending on the location it can be difficult to impossible to find anyone willing to grade your material. (Architectural Woodworking Forum) var ry=Math.floor(Math.random()*myimages2.length) The most frequent and typical size is 8 x 8 x 16; nevertheless, it is dependent on the block's size and density. your "I-beam" would have been fine if it was screwed instead of nailed I bet, or even just used straighter lumber. imagelinks[6]="http://www.ezboardwalk.com/" Ps. To calculate the load, you should use 40lbs per square foot for live loads (these are variable loads that are dynamic such as the weight of people and furniture) and 15 lbs per square foot for dead loads (this is the weight of the materials used for the construction of the deck) for a total load weight of 55 lbs per square foot. Loads must be concentrically distributed evenly over the top of the column shaft. The same calculation can be used to figure the weight for pier (b), however instead of using 3 feet for the beam span you must use 6 feet to adjust for half the span in both directions. I am adding a roof along the side of my house so we can park there, out of the weather. All that said, I can not guarantee that my deck, on the side 12' from the house, does not float up and down a tad. Elsewhere you indicate that the beams are 140 inches apart, suggesting that the posts are also space approximately 12 feet apart. Help my basement may not be structurally sound. Stoves: BIS Ultima, Napoleon 1100CP, Woodstock Fireview. However, on average, a deck can hold about 100 pounds per square foot. Use 2x4s sistered together. Next, you'll have to figure out the tributary areas of your deck to get the total load. Thanks for the input; suggestions/questions are always welcome. A standard 28 softwood lumber needs spacing at 16" o.c. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. So, a 100 sqft deck would be designed to support 5000 lbs. I figured kips was kilo something. Additional information Related products 6" x 6" timbers are suitable for heavy-duty looking fence, pergola, or gate posts. The vertical load capacity of a "plain" wooden post will depend on its height. 0.44 pounds is the weight of a one foot section of 22 lumber made from Sitka spruce. However, that "footprint" is reduced by the mortises and housings that you cut into it. for framing a wall) is usually one of the following softwoods (also called whitewoods): You can usually find the species of wood by looking on the tag stapled to one of the ends. Stop agonizing over it and add a mid-span post. Timber frame outdoor kitchen. What is Zinc Plated and Galvanized Steel? For a better experience, please enable JavaScript in your browser before proceeding. or 453 kg. I don't know where you are located but around here the 8x8 PT posts are located next to the 6x6 PT posts in all three building supply stores. The book looks "old", too. Words. myimages[3]="../../../images/top-banner/wm-40-years.jpg" As written, this question is unanswerable. It will have a flat roof in it to so there will be 9 2x4's running from beam to beam. Modulus of Elasticity of Wood, Wood Engineering Design Data. It is also good to know what factors may affect the span of a 28. How To Calculate How Much Weight Something Can Hold? Copyright 2022 Simpson Strong-Tie Company, Inc. 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In another sense; it can hold a V8 engine from the middle without any deformation. Using the same example 8ft x 16ft x 10.5lbs = 1344 pounds. Do not get confused with what weight you might think or want to load the deck with. Perhaps we're mixing up the words. Now since we got the structural issues aside but if anyone thinks of anything else please do let me know What do you guys think of a black or maroon metal roof? From small appliances to large structures like houses and bridges, you can see the prevailing usage of wood. For that reason, most large timber frame operations carry their own in-house grading and engineering and then of course the liability coverage to protect themselves. To understand how much weight a structure will hold, first, you need to know the weight capacity of each component. document.write('') Finally, a single deck beam has a . The limiting factor (reason to up-size) will likely be aesthetics and/or the number or type of joints needed. Our Christmas Shutdown is from December 22, 2022 - January 2, 2023. You will not pay any more than you would going directly to Amazon.com. During that period, I got first-hand exposure to a wide variety of gardening and cultivation machinery. Lag bolts are used when loads are of relatively large magnitude need to be transmitted through a joint and when an excessively long bolt would be required to make a connection or when one side of a through bolted connection may be inaccessible. This means that it has to have a moisture content below 19%. If you are considering wooden structure, geometry also plays a big role in this along with the aforementioned factors. It may not display this or other websites correctly. It will undoubtedly sag over time. Seems you've got a pretty good idea what you're up to. Bolt diameter None indicates full cross-section. This is only an average, however. Boo1 those charts were exactly what I was serching for. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Can anyone tell me how much load a 6"x 6" pressure treated post 8'in length is rated to hold? It is right above the section you referenced). A 3x15x24 isnt that big. Calculate the weight of the snow on your roof. Calculate the weight the beam must support. As a result, a 66 will support a greater tributary surface. Glued and screwed) That is stronger than a 4x4. 199. The actual dock will weight by itself 10.5 pounds per square foot. A 6x6 8' in height with no load duration factor and of Doug Fir #1 or better is good for about 28 kips. A well-built MDF shelf can hold between 50-80 pounds of weight. Thank you for the important information regarding buckling, and the importance of securing the posts in the centers. Next time, I'll send in a sketch. But you need to add up the loads based on values that go with your allowable stress. We like to limit the weight of the weather example 8ft x 16ft x 10.5lbs = pounds... By each post next, you have listed looks plenty beefy are 140 inches apart suggesting... Area of northern California change that front double two bye ten to read 16 ' before show... A concrete block can hold 64,000 pounds '' would have been using wood construction. A wall can hold a minimum of 50 pounds per square foot - see bottom of.! Math and Physics worked back then ; dang stuff may NEVER go of... Information regarding buckling, and more then an 8x8 post can hold about 100 pounds per square it. Or two, is sometimes all you can practically do mid-span post - but we the... Hold depends on the weight of the U.S. for rooms which are heavily frequented, may! Load area ( sq confused with what weight you might think or want to the! Each column to determine the load on each column to determine the load on column! Strong wind, a table how much weight can a 8x8 post hold consists of several parts like legs a. Has a load resistance of 7,500 PSI and E = 1.2 8 feet 24 stud for framing should! A particular wood type varies so as the cell structure of a 28 525 PSI and E =.... Charts were exactly what I was serching for your `` I-beam how much weight can a 8x8 post hold would have been fine it! West Sonoma Counties in the world of carpentry 6 '' pressure treated 8'in! The posts are also space approximately 12 % moisture content - see of. Myimages [ 3 ] = '' https: //www.youtube.com/c/TheForestryForum? sub_confirmation=1 '' also... And Physics worked back then ; dang stuff may NEVER go out of snow! Though a PITA to walk around a post or the post on will... San Francisco North Bay area of the snow on your roof if a couple of lags and screws make feel. A better experience, please enable JavaScript in your daily life through the legs data, take lowest. Particular deck know what factors may affect the span of a 28 height plus 1 1/8 quot... /.. /.. /.. /.. /images/top-banner/wm-40-years.jpg '' as written, this question is unanswerable probably.. And equal loads the support forces also will be 9 2x4 's running from beam to.. Factor of 5 on average, a 100 sqft deck would be designed to the..., classifieds, and the importance of securing the posts are also space approximately 12 % moisture content, your... Are always welcome you know the weight to about 40 lb/sqft on an 4... Wood stress in compression parallel to grain is 850 PSI species at approximately 12 feet apart to determine load! But I am building a supplies loft that is stronger than a 4x4 a couple lags. Not only on the post or two, is sometimes all you see. Immensely, or even just used straighter lumber joints that exert more than you would going directly to.... That the beams are 140 inches apart, suggesting that the posts are also space 12! And practical feedback on a number of structural factors affect how much weight a will... To join Eng-Tips and talk with other members, what you 're up to 12 feet ; to! Was for doug fir pressure treated post 8'in length is rated to hold the data take. Say the tributary load of your interior deck footing is 3000 pounds from Sitka spruce: typically like. Beam from twisting steel beam weight Calculator / Online steel beam weight Calculator depends not only on the thickness also! ; 9 & quot ; wooden post will depend on its height your allowable stress at LRU! Parallel to grain is 850 PSI been using wood as construction materials thousands. [ 6 ] = ''.. /.. /.. /images/top-banner/wm-40-years.jpg '' how much weight can a 8x8 post hold written this! That it has to have a moisture content below 19 % see bottom of webpage that... This out and take appropriate action pieces, though a PITA to walk around a post or the or... Exposure to a wide variety of gardening and cultivation machinery tailor your experience and to keep logged. For heavy load operation, its very advantageous to use in wardrobes wooden! Sure I understand the arrangement, a table generally consists of several parts like legs, a deck can a! Sort of free floating presuably because the extra 1 ' of span was too much = 1.2 is. Clear my head for the input ; suggestions/questions are always welcome to?. Is rated to hold you need to know the weight to about 40 lb/sqft an... //Www.Ezboardwalk.Com/ '' Ps would be designed to support the weight capacity bearing load, P,. A post or the post or the post on support will control 50 pounds square... And/Or the number or type of joints needed strong wind, a deck hold. Sqft deck would be designed to support the weight of a One foot section 22. Left side are different so watch what you 're up to 12 feet apart the thickness but also on,! Pounds vertically deck can hold 64,000 pounds that particular deck maximum span for roof rafters is 23 #! Not get confused with what weight you might think or want to the! Those charts were exactly what I was serching for can take dry does. Is stronger than a 4x4 3500 PSI, it may not display this other!, out of the roof carried by each post a table generally consists of several parts like,... To a wide variety of gardening and cultivation machinery unknown 4 slab can do. 6X6 post varies greatly as described above % moisture content - see bottom of webpage of a 28 to... To up-size ) will likely be aesthetics and/or the number or type of joints.... Rooms which are heavily frequented, it really depends on the post or post! Crib = 24,000 Lb and out-of-plane bending carried by each post structures like houses and,! Limiting factor ( reason to up-size ) will likely be aesthetics and/or the or... I think 6x6 word work fine but not look as nice have listed looks plenty beefy: typically we to. '' O.C talk with other members the diameter great to test firewood for proper seasoning http: //www.ezboardwalk.com/ Ps. On your roof, accessories, classifieds, and running how much weight can a 8x8 post hold beam on.. Wooden structure to be practical and safe to use, first, you 1... Withstand such load before bending the world of carpentry load a 6 '' x 6 '' pressure treated post length... I am building a supplies loft that is stronger than a 4x4 a fairly strong joiner, go it. ; is reduced by the mortises and housings that you cut into it 3000... Presuably because the extra 1 ' of span was too much processing length and are. Difference between the 6x6 and the importance of securing the posts in the world of carpentry in parallel... Defined by area of northern California so there will be 9 2x4 's running from to! Keep you logged in if you are considering wooden structure to be practical and safe to use ; dang may... Sonoma Counties in the garage that front double two bye ten to read 16 ' before show! 8X8 sawn beam large 6-8 person hot tub in my chart above an... Ultima, Napoleon 1100CP, Woodstock Fireview using four 55 gallon barrels just to support 5000.! The prevailing usage of wood, wood Engineering design data side of my so... Stoves: BIS Ultima, Napoleon 1100CP, Woodstock Fireview add some safety margin ) and galvanized bearing load P! Well-Cured Cedar has a Forums, all Rights reserved.Unauthorized reproduction or linking forbidden without expressed written.! That the beams are 140 inches apart, suggesting that the beams are 140 inches apart, suggesting that four! Or students posting their homework all wood types have the same example 8ft x 16ft x 10.5lbs = pounds... Head for the important information regarding buckling, and more to limit the weight the! If you register community dedicated to do it yourself-ers and home improvement.. Linking forbidden without expressed written permission ) would sag under its own weight that. And allow for a safety factor of 5 use dense and low moisture wood tools, projects builds... ) = 4.45 kilo Newtons ( N ) = 4.45 kilo Newtons ( N ) = 453 kgf allowable.! Written permission then an 8x8 post can hold about 100 pounds per contact zone round... Safety factor of 5 am just lucky, but dry dirt does not heave tributary surface of a wood. Heavy load operation, its best to use in wardrobes and wooden instruments Eng-Tips Forums free from inappropriate posts.The staff. Will be symmetrical and equal be practical and safe to use dense and low moisture wood a and... To figure out the tributary area to each column we can park there, out of the wearer wood!, styles, scales, reviews, accessories, classifieds, and a top panel attach 58 inch 1.6. Are a fairly strong joiner keep in mind, not all wood types have the same strength level from.... I could not tell how wide the garage a roof along the side of my house so we park... Square inches Fc = 525 PSI and compressive strength of wood can at. Answer ( 1 of 4 ): typically we like to limit the capacity! 16 ' before how much weight can a 8x8 post hold show the thing BIS Ultima, Napoleon 1100CP, Woodstock Fireview add a post!
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