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##### Free Standing Tower How Much Concrete? - Know More

11-10-2008 0183 32 I have a friend with a 70 foot self supporting tower who has 10 yards of concrete in the ground You may need to understand things like lots of money , concrete pump truck and backhoe 5X5X5 is probably nothing for that tower Mine is 3X3X6 for a smaller 40ft tubular tower that is self supported and tilt over...

##### How much load can a slab of concrete hold? - Know More

06-03-2020 0183 32 Click to see full answer Correspondingly, how much weight can a concrete floor hold? You have to know the weight of the load expressed in an area to determine the size foundation or stab that will support it A concentrated load of 90,000 lbs in one square inch, or even a square foot, is much different than a distributed 90,000 lb load over 1000 square feet...

##### Footing Size Calculations in Post Frame Structures - Know More

II Determining the footing size needed for post-in-the-ground structures Isolated footings describe a foundation type that supports a post or column that is not part of a continuous footing The footing is isolated , and therefore it is straight-forward to calculate the load capacity of this footing type because there is no shared weight All...

##### Pole Footings and Foundations - Know More

The concrete footings are generally a Pile Footing A Pile Footing is where concrete is poured into a cylindrical excavation Where ground conditions dictate, because of water levels, soil type or rock , Pad Footings are utilised, which are a rectangular concrete shape ,...

##### What size footings does it take to support 20 tons? - Know More

Answer 20 Tons of,? Point Load, Linear Feet, or transferred load? Actually fairly easy math, although with Civil engineering there are a few more calculations that are made to represent static pressures and stability of soil The goal is to convert the 20 ,...

##### Construction of Wall Footings - Know More

The base of the footing wall rests on a plain concrete footing which projects 10 to 15 cm beyond the last brick offset as shown in Fig 1 The width at the base shall not be less than the width of the supported wall plus 30 cm...

##### How Thick Does Concrete Need to Be to Hold Up Weight? Hunker - Know More

Concrete Thickness For flatwork, such as slabs-on-grade and driveways, a minimum thickness of four inches is required, but increasing the thickness to five inches can add nearly 50 percent to the load-bearing capacity Thickening the structure along the perimeter by another will serve as an integral footing, adding strength where the loads are ....

##### Guide to Foundation Design Column Footings Civil , - Know More

15-06-2010 0183 32 Foundation Design Foundation is the base of any structure Without a solid foundation, the structure would not hold for long We have to be very cautious with the design of foundations because our entire structure rests on the foundation The job of a foundation is to transfer the loads of the building safely to the,...

##### Design of Pad Footing - Know More

04-11-2019 0183 32 Design of Pad Footing 01 Calculate the size of the footing considering allowable bearing pressure and service load 02 Calculate the bearing pressure for ultimate loads 03 Check the vertical line shear shear at face of the column 04 Check for punching shear...

##### How thick should a concrete slab tank base be to support a , - Know More

26-06-2014 0183 32 Jaytee wrote How thick should a concrete slab tank base be to support a water tank holding 5000 gallons of water? Answer Jaytee, Thanks for the question The answer depends on the size of the tank s footprint and the method of ,...

##### Combined Footing Design With Solved , - Know More

07-10-2013 0183 32 Combined Footing Problem Statement Design a rectangular combined footing to support two columns shown above The edge column on the left has a section of 16 x 16 and carries dead live load of 175 kips 110 kips respectively...

##### How to Calculate the Load Bearing of Concrete Hunker - Know More

Knowing the load-bearing capacity of your concrete is essential to make sure that what you plan to have supported by the wall or slab will not be too heavy and cause it to crack and break While cracks in a slab may not seem like a big deal, the smallest crack represents a large amount of downward pressure that may be crushing pipework beneath the slab...

##### Foundations/Footings Information Sheet - Know More

Ground support slab B with mas onry wall and spread footing 35 MIN P P W as em nt o r cwl p with m as nry l d spre d f oting P P Basement or crawl space with concrete wall and spread footing GRADE MIN 42 Monolithic slab with integral footing W 35 MIN W BEARING WALL INTERIOR FIGURE 40311 Concrete and masonry foundation details INTERIOR ....

##### Reinforced Concrete Column Combined Footing Analysis and , - Know More

Reinforced Concrete Column Combined Footing Analysis and Design A combined footing was selected to support a 24 in x 16 in exterior column near a property line and a 24 in x 24 in Interior column Each column carries the service dead and ,...

##### How Do I Calculate Req d Concrete Thickness? - Know More

09-03-2007 0183 32 For most residential homes,a 2500psi concrete mud seal 20 to 44 is poured on top of the chalkline which lies beneath the mud flat Usually a trench from 36 to 60 will hit the chalk On top of the seal, a structural footing of min 3500psi continuous steel reinforced concrete can be poured and is usually poured with the slab as a continuous cast...

##### concrete footer to support 30 tons - Know More

concrete footer to support 30 tons Pouring Concrete - Ask the Builder Once the concrete is dumped, you will need a minimum of three people, possibly four, to spread the concrete and screed it off A screed is a 10-foot long aluminum or wood straightedge that ,...

##### Chapter 5 Footing Design - Know More

Footing Design By S Ali Mirza1 and William Brant2 51 Introduction Reinforced concrete foundations, or footings, transmit loads from a structure to the supporting soil Footings are designed based on the nature of the loading, the properties of the footing and the properties of the soil Design of a footing typically consists of the following ....

##### Solved Problem 1 A rectangular footing supports a square , - Know More

Problem 1 A rectangular footing supports a square column concentrically Given Footing dimensions = 25 m wide x 4 m long and 075 depth Column dimension = 045 m x 045 m Concrete fc = 28 MPa Steel fy = 415 MPa Concrete cover to the centroid of steel reinforcement = 100 mm Unit weight of concrete = 24 kN/m3 Unit weight of soil = 17 kN/m3 ....

##### concrete footer to support 30 tons - Know More

concrete footer to support 30 tons , Concrete footing design is governed by Building Code Requirements for Structural Concrete, ACI 318 ref 5 , and concrete foundations are constructed with tolerances conforming to the requirements of Standard Specifications for Tolerances for Concrete Construction and Materials, ....

##### Design of Combined Footings - Know More

Design an appropriate footing/footings to support two columns A and B spaced at distance 21 m center-to-center, as shown in Figure 1113a is 20 cm 30 cm and carries a dead load of 20 tons and a live load of 10 tons Column B is 20 cm 40 cm in cross section but carries a dead load of 30 tons and a live load of 15 tons...

##### Bearing Capacity of Soil - Know More

Updated June 30, 2020 In addition to providing a level platform for forms or masonry, footings spread out the weight of the house so the soil can carry the load The load spreads out within the footing itself at about a 45-degree angle, and then spreads out in the soil at a steeper angle, more like 60-degrees from the horizontal...

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