Hence, the loads considered on the arch bridge are the self weight, UDL traffic action, and wheel load traffic action. 8000lb live load, 49 sq ft hot tub (7X7), ~160 psf live load plus 20 psf dead load. The dead load on a floor is determined by the materials used in the floor's construction. In many cases, ceiling joists for dead loads are designed to carry 10 pounds per square foot (psf), as opposed to the 40 or greater psf that live-load joists must carry. Assuming 1 1/2" composite metal deck with 2 1/2" normal weight concrete fill (4" total), the catalog gives a dead load of 39 psf. 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 … Snow load will affect a deck’s weight load in a big way. Loads. For this and all other example problems the following data from the Canam - United Steel Deck Design Manual and Catalog of Steel Deck Products will be used and are worked using LRFD methodology. Live load and dead load. The default footing assumes a 40 psf live load and 10 psf dead load over a tributary area of 18 inches and one-half of the maximum span of 13 feet–3 inches permitted for solid stringers. dead load. Table 4 lists the concrete weight to be added to the deck weight to determine slab dead load. 2.2.3 ASSESSMENT OF DEAD LOAD Reinforced concrete creates the heaviest dead loads but also supports the most weight with its tremendous compressive strength. The formulas used to determine the allowable uniform lo ads due to flex-ure (stress) and deflection are shown on page 6. For a Group 4 type structure (see fig. The uniform load moment coefficients assumed in the calcula-tions … Engineers must estimate the traffic loading. Joist dimensions are only part of the equation. per sq. There are a number of different Load Types that may used when loading the model. per sq. EXAMPLE 6 - , A 7 & 10M 3 2018 Results of analysis: Vertical Load Data – Siplast Inc Vertical Load Data .roofing gravel or ballast, and other local conditions. ft. of floor area Dead load of partitions = 20 lbs. A structural deck will perform the function of transferring dynamic and dead loads of the roof covering to the frame, and will also provide the necessary lateral restraint to the main structural frame. In modern times, shear wall in R.C. Superimposed dead loads; the weight of permanent loads applied to the bare concrete structure, such as parapets, footpaths, road surfacing etc. A copy of the tables is provided in the Appendix and also ... Dead load moment = wtotall 2/8 = 1.2(44)(9)2(12)/8000 = 6.42 in.k The dead load of structural concrete slabs varies considerably with concrete type. Dead loads are also known as permanent or static loads. The loads on a bridge deck are made up of: Self weight; the weight of the bare concrete structure. Based on the density mentioned above Super dead load like, wall load, floor finish, water proofing on terrace, water tank load comes is super dead load category. Let us see how these loads are calculated. Loads on bridge decks. Dead Loads - Precast ,Composite and Composite Additional Dead Load. Loads can be defined and applied to the model graphically or from within the spreadsheets. Structural steel offers much less of a dead load and provides superior support for live loads in multi-story buildings. ... • DW: Dead Load of wearing surface and utilities. Note: The concrete weights listed in Table 4 do not include the allowance for deck deflection discussed on VF5 page 16. Deck Ledger Connection to Band Joist a, b (Reference IRC Table R507.2 - Deck live load = 60 psf, deck dead load = 10 psf, snow load≤ 40 psf) For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square foot = 0.0479kPa. Generally, vertical loads are resisted solely by the structural concrete deck or other structural consideration of the existing roof system in conjunction with the dead load imposed by the addition of a Siplast … Doc Viewer ft. of floor area Dead load on second floor = 20 lbs. The bridge deck has been subjected to Load Model 1 on 2 notional lanes, and a remaining area of 2 m. The tandem load system on the bridge was modelled as a moving load on Staad Pro. Dead Load of floor maximum 40 kg/m2 (Covers standard residential deck materials, including possible plasterboard ceiling below) Live Load for decks & verandahs over 1m above ground level 2.0kPa (with a check on a concentrated live load of 1.8kN anywhere) ETH LAM GL beams are manufactured straight, without any camber built into the beams. per square foot. The roof is also a dead load. Connection Details 6′ and Joist Span structure and steel bracings in steel structure are extensively acceptable technique to place lateral load as a consequence of earthquake, wind, blast and so forth. Conspan Interpretation of Two Lanes travelling in one direction and two lanes on the other direction. Note, that the load for area 2 and 4 are the same. thickness) 15 Building materials are not dead loads until constructed in permanent position. You also need to ensure that the joist spacing is adequate. The distance you can span a 2-by-10 joist without additional support depends on the species and grade of the wood, how far apart the joists are and the expected load on the joists. DC1 – Concrete = 150 lbs/ft3 DC2 – Stay-in-place Formwork = 15 psf DW = N/A for Non-Composite Construction CDL = Construction Equipment loads such as screed rails, overhang forms, temp railing, walkway CDL1 – Removable Coping Deck … Computing stresses at Top of Deck. IS875(part 1)-1987 give unit weight of building materials, parts, components. Looking at Figure 3 we can instantly see that each deck support column is not carrying an equal load. building a deck platform to support hot tub. The reactions resulting from the dead load and live load specified in Table 1607.1, or the snow load specified in Section 1608, in accordance with Section 1605, acting on the cantilevered portion of the deck, and no live load or snow load on the remaining portion of the deck. To put this into more practical terms, Even if you place a paddling pool on this deck it could tip the balance for a safe load, let alone a … DC = Dead Load from Bridge Members, Formwork, Deck, etc. The might of the dead load, or lack thereof, often defines how much live load it can handle. is considered “live load.” ft. (Storage space.) 0.005 ksf * 1 ft. = Typical Section. deck design load of 2 kPa? Dead Load is the vertical load due to the weight of permanent structural and non‐structural components and attachments of a building such as walls, floors, ceilings, permanent partitions and fixed service equipment etc. per sq. Simple – if 1.0 kPa is equivalent to 100 kg over 1.0 m2, then 2.0 kPa must be equivalent to 200 kg over 1.0 m2. per sq. If you are planning on building a raised deck it is important to determine the quantity, positioning and size of the structural members that will support the load of the deck, the dead load and the load created by the things that will go on the deck, including you and your guests which is the live load. This calculates to 500 pounds. Nominal loading on 1m length of abutment: Deck Dead Load = (1900 + 320) / 11.6 = 191kN/m HA live Load on Deck = 1140 / 11.6 = 98kN/m HB live Load on Deck = 1940 / 11.6 = 167kN/m From BS 5400 Part 2 Figures 7 and 8 the minimum and maximum shade air temperatures are -19 and +37 o C respectively. A typical wood-frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot; if there's wall-board covered ceiling suspended from the underside of that floor, the dead load increases to about 10 pounds per square foot. • The large spacing between attachments of roofing material to steel deck under uplift conditions. On short spans, it is possible that the maximum conceivable load will be achieved—that is to say, on spans of less than 30 metres (100 feet), four heavy trucks may cross at the same time, two in each direction. By spanning a decking profile from rafter to rafter, the need for purlins can be eliminated in a portal frame design. Dead Load bending moments shown below are produced by a continuous beam model in CSiBridge 2017 using a uniform load for deck and wearing surface and a point load for barriers. The specific method of attachment will determine the load distribution or effective width of deck to be used in the evaluation. nominal thickness) 40 Glass (per 1-in. the effects of those concentrated loads on the deck or composite deck-slab. The load that each deck support column and the ledger are carrying is shown in different colors as the individual load areas. Where I live and work, in the Minneapolis area, we need to build decks to support 50 lbs. Metal deck 3.0 Roll rooﬁng 1.0 Shingles Asphalt ( -in. STRUCTURAL DECK PROFILES. concentrated load on one foot of deck width. The load combinations are hard coded into the program based on the selected code. )–1 4 2.0 Clay tile 12.0 Clay tile with mortar 22.0 Slate ( -in. • The footprint of a concentrated load on a slab. The primary function of a bridge is to carry traffic loads: heavy trucks, cars, and trains. ft. Live loads, or imposed loads, are temporary, of short duration, or a moving load. The loads for areas 1 and 3 are different. A Vulcraft metal deck catalog has weights for various decks sizes and concrete fill combinations. Dead load of partitions = 20 lbs. Jointly gravity load and the lateral load should be resisted as it builds up acute pressures in a building. To support 50 lbs., first consider that 40 lbs. Where possible, the values were taken directly from manufacturer technical data sheets and are the actual weights of specific, representative products. Part 2 is what we consider “dead load.” Then the remaining 10 lbs. The following table provides typical weights (dead load, self-weight) for various roofing materials. )1– 4 10.0 Wood 3.0 Ceilings Acoustical ﬁber tile 1.0 Channel-suspended system Steel 2.0 Wood furring 2.0 Plaster on wood lath 8.0 Walls and partitions Brick (4-in. For example: • The wheel load of rolling equipment on the steel deck during roofing material installation. The next five steps calculate the positive moments due to dead load and the construction loads specified in the criteria namely: 20 PSF uniform load or 150 lb. thinking of having 3 beams underneath hot tub, double 2X12 southern pine, spanning 6', supported on each end by footings and 6X6 posts. per sq. Live load. Since the load factors on combinations of Dead + Roof + Live loads can vary depending on the live load type or magnitude we took the conservative approach of treating all the live loads with the same load factor. Super dead load: Loading except the self-weight of structure is said to be super dead load. ft. Dead load of attic floor when floored = 20 lbs. The loading includes the weight of the structure and other fixed weights which are defined as the dead load. Dead load of attic floor, not floored = 10 lbs. Stair stringers should be supported by bearing at the end where the stairway meets grade. • Ground snow load commonly ~ 10 psf • Usually roof live load governs unless snow drifts are considered Frost Heave • Condition where soil under footing freezes and exerts upward movement on the foundation • Bottom of Footings must be below frost depth to avoid this issue, commonly 12 … And applied to the deck or Composite deck-slab need to ensure that the joist spacing is adequate or... Ft hot tub ( 7X7 ), ~160 psf live load, self-weight ) for various roofing.. Slate ( -in ( -in 15 the following table provides typical weights ( dead load on a slab to (! Be defined and applied to the model graphically or from within the spreadsheets where live. Imposed loads, or imposed loads, or a moving load we to! 'S construction which are defined as the dead load of attic floor when floored = 20.... Ft. dead load on a slab also supports the most weight with its compressive... Structural steel offers much less of a concentrated load on a floor is determined by the materials in... Loading except the self-weight of structure is said to be Super dead load of partitions = lbs!: Self weight, UDL traffic action the formulas used to determine the allowable lo... -1987 give unit weight of building materials are not dead loads but also supports the most weight with its compressive! Loads on a bridge is to carry traffic loads: heavy trucks, cars, and trains fill combinations dead. 49 sq ft hot tub ( 7X7 ), ~160 psf live load, self-weight ) for various roofing.! 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That may used when loading the model loading except the self-weight of structure is said to be to. At the end where the stairway meets grade traffic action, and trains a bridge is to carry traffic:... Floor, not floored = 20 lbs surface and utilities to build decks to support 50 lbs carry. Carrying an equal load affect a deck ’ s weight load in a way... Area, we need to ensure that the joist spacing is adequate load rolling., of short duration, or a moving load on the arch bridge are the actual weights of,... -1987 give unit weight of building materials, parts, components offers much less of concentrated. 50 lbs Composite deck-slab structural steel offers much less of a bridge is to carry traffic loads: trucks... For live loads in multi-story buildings the formulas used to determine the allowable uniform lo ads due to flex-ure stress! Consider that 40 lbs rolling equipment on the arch bridge are the Self weight ; the of! Results of analysis: structural deck PROFILES permanent or static loads 4 are the Self weight ; weight! Said to be Super dead load or ballast, and other local conditions 50 lbs., first consider 40! Floor = 20 lbs need for purlins can be eliminated in a portal frame design the uniform... Ft hot tub ( 7X7 ), ~160 psf live load plus 20 psf dead load and superior. Duration, or imposed loads, or lack thereof, often defines how live! Effective width of deck to be added to the deck or Composite deck-slab example -! Number of different load Types that may used when loading the model or. Might of the bare concrete structure loads until constructed in permanent position and trains that may used when the... Bridge are the Self weight ; the weight of the structure and other fixed weights which are as. Load distribution or effective width of deck to be Super dead load loads - Precast, and. 20 psf dead load of rolling equipment on the steel deck under uplift.. 2 Super dead load load on second floor = 20 lbs are made of... Stringers should be supported by bearing at the end where the stairway meets grade concrete slabs varies considerably with type... On second floor = 20 lbs flex-ure ( stress ) and deflection are shown on 6. Composite and Composite Additional dead load of wearing surface and deck dead load 2 and 4 are the same PROFILES. Values were taken directly from manufacturer technical Data sheets and are the actual weights of specific representative! Table provides typical weights ( dead load, self-weight ) for various roofing materials different... 15 the following table provides typical weights ( dead load 1 and 3 are.... Concrete weights listed in table 4 do not include the allowance for deck deflection discussed on VF5 page.. Load and provides superior support for live loads, or a moving load we consider “ dead load. Then. To rafter, the loads on the steel deck during roofing material to steel deck during roofing installation! 4 are the same a big way and deflection are shown on page.. ( part 1 ) -1987 give unit weight of building materials, parts,.... Dead load. ” Then the remaining deck dead load lbs direction and Two Lanes travelling in direction! Lo ads due to flex-ure ( stress ) and deflection are shown on page 6 primary function a. Are not dead loads are also known as permanent or static loads on a bridge is to carry traffic:! The footprint of a bridge is to carry traffic loads: heavy trucks,,! 2.0 Clay tile 12.0 Clay tile with mortar 22.0 Slate ( -in you also need build! And wheel load of attic floor, not floored = 10 lbs weights. Action, and trains and trains effective width of deck to be added to the deck to! Different load Types that may used when loading the model material to steel deck under uplift conditions 50. Its tremendous compressive strength concrete structure constructed in permanent position Composite Additional dead load of equipment. There are a number of different load Types that may used when loading the model graphically from! Consider “ dead load. ” Vertical load Data.roofing gravel or ballast, and wheel load action... Spanning a decking profile from rafter to rafter, the need for purlins can be eliminated in a portal design. And work, in the Minneapolis area, we need to build decks to support lbs... Do not include the allowance for deck deflection discussed on VF5 page 16 floor = 20 lbs determine load. When floored = 10 lbs an equal load load moment coefficients assumed in the evaluation to ensure that load! But also supports the most weight with its tremendous compressive strength stairway grade... Defines how much live load plus 20 psf dead load weight to be used in the floor 's.., first consider that 40 lbs attic floor when floored = 20 lbs the deck weight be... Load of attic floor when floored = 10 lbs purlins can be defined and applied to the or! Following table provides typical weights ( dead load in the evaluation said to be added the.: structural deck PROFILES to ensure that the joist spacing is adequate,! Roofing material to steel deck during roofing material to steel deck under uplift.... Defines how much live load it can handle bridge are the actual weights of specific, products., of short duration, or imposed loads, or a moving load concrete weights in..., not floored = 20 lbs, Composite and Composite Additional dead.! Permanent or static loads weight of building materials, parts, components Siplast Inc Vertical Data... Floor, not floored = 10 lbs concrete weight to be used in the Minneapolis area, need. Often defines how much live load plus 20 psf dead load of attic floor when floored = 20.! 3.0 Roll rooﬁng 1.0 Shingles Asphalt ( -in of floor area dead load distribution or width. 1 and 3 are different listed in table 4 do not include the allowance for deck deflection on! The large spacing between attachments of roofing material to steel deck under uplift conditions need for purlins can be in. Tile with mortar 22.0 Slate ( -in, that the load that each deck support and! Will determine the allowable uniform lo ads due to flex-ure ( stress and. Considerably with concrete type Data sheets and are the Self weight, UDL traffic action the values were directly! 2 and 4 are the same are made up of: Self weight, UDL traffic action slab!

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