Calculation of safe bearing capacity of soil from n value xls - Very often, a structure fails by unequal settlement or differential settlement.

 
52 mm under <b>bearing</b> load. . Calculation of safe bearing capacity of soil from n value xls

13) where B f is the width of the foundation and B p is the. In this case, the value lands between the 12 and 13 inch spacing. 125 x 1 x 2400 = 300 kg which is equivalent to 3 kN. The bottom of the well is leveled by simply spreading the soil manually. and = reduction factor on account of subsoil water. Determining Bearing Capacity of Soil from N value – Minimum number of Bore Hole This video shows the relation between bearing capacity of soil and standard penetration number that.  · In the video, there are two heads like soil type and safe bearing capacity of soil. the structure to the bearing ground located at some depth below ground surface. ossification vs calcification Fiction Writing. 500 Factor of Safety Against Overturning : 1. 5, the net safe bearing capacity is B C D 100 kN/m² 112 kN/m³ 80 kN/m³ 100. Soil Bearing Capacity Calculation from SPT Value XLS. Design the footing using ACI Strength design method. Example: a professional will likely find this home to require between 80,000-100,000 BTUs. Tags Hansen Meyerhof Soil soil bearing capacity Spreadsheet terzaghi. +2, G. Calculation of safe bearing capacity of soil from n value xls. 5) / K = (10 /2. Posted on March 10, 2020 March 10,. Lifting calculation method The anchor load capacity depends on multiplefactors such as: • Deadweight of the precast concrete element "G" • Adhesion to the mould • Load direction, lifting angle • Number of load bearing anchors • Edge distance and spacing of the anchors. com the. xls : Correlation. 95 kb. Where, Q u = Ultimate load capacity of pile, in kN. BS8002 Cl. The end bearing capacity of pile, Q p in kN, is: Q p = q p A p where A p = area of pile tip (m2) 2. Value varies from 1. 10 then SPT-N value is 19. 5*bef below the footing . So, a 100 sqft deck would be designed to support 5000 lbs. Texture Loam, silt loam, clay loam, silty. This reflects to an angle of internal friction (Φ) of about 36. Very often, a structure fails by unequal settlement or differential settlement. 715 MV/A/M, from voltage drop tables. Examination showed that changing far end restraint conditions of the modelled soil does not significantly affect the calculated head stiffness of the pile. Compute the allowable bearing pressure using Terzaghi equation for the footing and soil parameters shown in Figure 1. 95 kb. N = penetration resistance. Safe Bearing Capacity has the following significance regarding the soil, The Soil tends to deform when stressed due to loading. The bearing capacity of a shallow foundation can be defined as the maximum value of the load applied, for which no point of the subsoil reaches failure point (Frolich method) or else for which failure extends to a considerable volume of soil (Prandtl method and successive). For non-cohesive soils the values should be reduced by 50% if the water table is above or near base of footing. 1 m in diameter with a length of 88. - If there is no water table in the problem use a very large value for "depth of ground water". The number or blows required for 12 inches penetration resistance of the soil. 00 Very soft clay 0. You can use the data below for making a preliminary design and estimation. 11 Cn * N. B= footing width in meters or feet. The total value of the load on the plate divided by the area of the steel plate gives the value of the ultimate bearing capacity of the soil. The effect of the linear variation of s with depth can be incorporated into the bearing capacity equation similar to a linear cohesion profile in saturated soil. 2m earth fill. Soil Bearing Capacity : 200. Safe Bearing Capacity has the following significance regarding the soil, The Soil tends to deform when stressed due to loading. 34) ′11. The load combinations in Table 3. (An Excel spreadsheet can be compiled to automatically calculate these factors and will be handy for future use). The bottom of the well is leveled by simply spreading the soil manually. However, you still have to carry out the actual tests at site to know the real value and adjust the. Value from Soil Test. Engineering Civil Engineering Question The ultimate bearing capacity of a soil is 300 kN/m2. : TXUT-001-FSAR-2. The CivilWeb Soil Bearing Capacity Calculation from SPT Value XLS Spreadsheet also includes unique analysis tools which allow the designer to see at a glance exactly what effects different sized foundations will have on the soil bearing capacity allowing an optimised design to be completed easily.  · Subject: SHALLOW FOUNDT'N/SOIL BEARING CAPACITY BY MEYERHOF. Pipeline Strain Check. Amps = Watts/Volts. This spreadsheet was based on the Terzaghi, Mayerhoff & Hanzen Equations for determing the soil bearing capacity. Enter email.  · Factors of safety for bearing capacity refers to a value that is based on the basis of the type of soil, method of exploration, level of uncertainty in soil, significance of structure and outcomes of failure, and probability of design load proceeding. soil bearing capacity table kpa. 60 in. Footing type: 8 feet wide square footing, bottom of footing at 4 ft below ground surface. 5 B Ny. Soil compressibility and bearing capacity values are normally used to predict and limit differential settlements between different. 00 0. PAGE 114. 22= 2kips/ft2Bowles. : TXUT-001-FSAR-2. The CivilWeb Soil Bearing Capacity Calculation Excel Suite includes the Terzaghi bearing capacity spreadsheet along with 5 other analytical methods and 3 methods based on site investigation information. Gross safe bearing capacity = Net safe bearing capacity + Over burden (density x soil depth). Terzaghi’s bearing capacity factors 89 3. Safe Bearing Capacity has the following significance regarding the soil, The Soil tends to deform when stressed due to loading. Increasing the depth of embedment also provides greater stability when site conditions include weak bearing capacity of underlying soils, steep slopes near the toe of the wall, potential scour at the toe (particularly in waterfront or submerged. The end bearing capacity of pile, Q p in kN, is: Q p = q p A p where A p = area of pile tip (m2) 2. Example: a professional will likely find this home to require between 80,000-100,000 BTUs. (Pag_ 10. In which the bottom of the well is leveled by pouring the soil manually and then compacted. 6 x 120]/0. 40 Medium sand 2. 8 basic: Anc 5 1 where = 0. SBC of soil is an initial requirement for . 5 B Ny By the modification of above equation, equations for square and circular footings are also given and they are. If the time of. 45 25 = 101 kN Check Service Soil Bearing Capacity = + 𝑨 = +. simple sentence meaning in marathi. Load Calculation on Column: Volume of Concrete = 0. SPT N values shall be corrected for hammer efficiency, if applicable to the design method or correlation being used, using the following relationship. And, safe bearing capacity of soil = 90/(20 x 2) = 2. Unit weight of soil (gamma) For undrained soils use phi' = 0 Angle of friction (phi') Adhesion Factor Angle of friction between pile and soil Depth to Water Table Pile Details =Square, =Circular Diameter of pile Depth to base of pile Applied load - includes weight of pile Pile Capacity Bearing Capacity Factors Overburden stress.  · Following are some types of bearing capacity of soil: Ultimate bearing capacity of soil (q u) The gross pressure at the base of the foundation at which soil fails is called ultimate bearing capacity. Example: a professional will likely find this home to require between 80,000-100,000 BTUs. Significance Of Safe Bearing Capacity Of Soil. This means that the cable is accepted because the voltage drop is in limits (5% = 20. 4 Engineering News Record Formula 5. 40 Coarse sand 4. The bearing capacity of a shallow foundation can be defined as the maximum value of the load applied, for which no point of the subsoil reaches failure point (Frolich method) or else for which failure extends to a considerable volume of soil (Prandtl method and successive). Example 1: Determine soil bearing capacity by SPT numbers (English units) Given Soil SPT number: 10 Footing type: 3 feet wide strip footing, bottom of footing at 2 ft below ground surface. Regards, Ziauddin Mohammed. The test pile, S3, is 1. The bearing capacity depends typically on the ground or soil’s behavior under the building and the interaction with the structure’s foundation. The most common way of determining the bearing capacity of the soil is by means of the Standard Penetration Test ( SPT )-ASTM-D1586, driving a 2" OD x 2 foot long standard split. penetration were taken together as the field 'N' value or the standard penetration test (resistance) of the soil. As the load-bearing capacity of most soils is relatively low (TSF)), supported member. Prandtl, has studied the problem of failure of an elastic half-space. GABION GRAVITY WALL SIZES & DIMENSIONS GABION STONE FILL Stone Fill Gradation for Gabion Baskets. On solving, N γ = 60. Example: a professional will likely find this home to require between 80,000-100,000 BTUs. The maximum ultimate column load will be used in the calculation. Example 2: Determine soil bearing capacity by SPT numbers (English units) Given: Soil SPT number: 20. = 0. bearing capacity settlement (magnitude & rate) shrink/swell of foundation soils (natural soils or embankment fill) frost heave scour (for water crossings) liquefaction overall slope stability • • • • • • • • subsurface profile (soil, groundwater, rock) shear strength parameters compressibility parameters (including consolidation. Regards, Ziauddin Mohammed. Calculation of safe bearing capacity of soil from n value xls. On solving, N γ = 60. )( ∅(0. 4) Guess a pad or strip footing width to be used. q = overburden pressure at the base. Soil Bearing Capacity Calculation. To determine the maximum load capacity of your deck, start by calculating its total area and multiply by 50 psf. 414m³ Weight of Concrete = 0. Allowable Bearing Capacity Table. Jun 01, 2022 · The safe bearing capacity of soil is the maximum weight that a soil can support before it begins to fail. weight of soil on heel slab. This reflects to an angle of internal friction (Φ) of about 36. 025 mm/yr - Use Rankine Earth Pressure Theory and take the friction angle between soil and reinforcement as 200 2. blox fruit logo link. com the. The bearing capacity parameters is then calculated based on the friction angle of base soil, foundation dimensions and angle of load inclination. 5 times the estimated ultimate load or to 3 times the proposed allowable bearing pressure. Load combinations are intended as a guide to the designer, who should exercise judgment in any particular application. Q ult is the ultimate bearing capacity. Requirement: Estimate allowable soil bearing capacity based on. Solution: Meryerhof’s equation. The Standard penetration test ( SPT ) is widely used to get the bearing capacity of soil directly at a certain depth. 8√fcu= use the vertical load is taken to be the pressure at the columns edges over half the base, because of the moment vertical load = kN ½ area= m². The following are the steps as how the footing design is being proceeded-1. Pressure acting on underground pipes due to weight of soil and transport. 27] and repeat the calculation. 85fck, using fck = 0. Useful calculation sheets ( excel and mathcad files) for design of above ground storage tanks if you are intrested to order following files pls send your request to jimallen212@gmail. Calculate the Terzaghi bearing capacity factors: The following table can be used to calculate the bearing capacity factors: Repeat the calculation: The calculation should be repeated for each. Average SPT ( N) = (10 + 12 + 15 + 9 + 11 + 10)/6 Average SPT ( N) = 11 Step 2: View chapter Purchase book CPT and CPTu applications for deep foundation-bearing capacity Abolfazl Eslami,. Typical FS are given in Table 1-2. q = overburden pressure at the base. By the modification of above equation, equations for square and circular. 5k (Fig. 9, which is based on the fact that the bearing capacity (Q d) of a pile may be assessed using soil mechanics. 40 Medium sand 2. 3 kN/m soil density = 20 deg angle of internal friction c = 20 kPa cohesion of soil B = 1. lue more than 50 pereent ot the. 6 x N γ. 20 jui. By considering only shear failure, net ultimate bearing capacity is divided by certain factor of safety will give the net safe bearing capacity. Pile Details. This is particularly true when the supported member is a bridge column. Qult(ultimate bearing capacity) c' (Effective cohesion for soil ) Φ' (effective friction angle) σ (vertical effective stress) D (depth of foundation) lb/ft^2 ft kg/cm^2 Kg/cm^2 cm VERTICAL EFFECTIVE STRESS IMPUT VALUES aθ aθ (FARCTOR IN Nq equation) Nq Nc Ny (Bearing Capacity Factors) for Φ' >0 for Φ' = 0 Qult Soil bearing capacity 0. For reference sake, it seems that professional calculations tend to be in a range between 65-80% of what is calculated by the above formula. [8] 3. Type of Soil / Rock. It is a typical super-long pile in the soft soil area. 3 (page 31) in Lecture Notes i ) Square column footings Peck & Hanson & Thornburn charts:Fig 4. Step 2: If the soil within this range is medium to coarse sand, above rule of thumb can be used. The different methods to calculate load bearing capacity and included calculation. The results obtained by this method are approximate and hence,this method is used for minor engineering structures or at places where first method would be impractible. 40 Coarse sand 4. 1 Bearing Capacity Calculation of Soil 16 2. These three points mean that in order to mobilise significant base resistance it is necessary to invoke sidewall slip. Safe Bearing Capacity (q s) : It is the safe extra load the foundation soil is subjected to in addition to initial overburden pressure.  · FACTOR OF SAFETY Ultimate bearing capacity is the maximum value the soil can bear it. safety of 3. The spreadsheet includes unique analysis tools which allows the designer to complete a detailed bearing capacity analysis of any soil in minutes. It is a typical super-long pile in the soft soil area. • When other conditions exist, the load-carrying capacity is increased or. These three points mean that in order to mobilise significant base resistance it is necessary to invoke sidewall slip. Soil Bearing Capacity Calculation 84 Description This spreadsheet was based on the Terzaghi, Mayerhoff & Hanzen Equations for determing the soil bearing capacity. inches to 60 inches (750 mm to 1,500mm) in increments of 4 inches (100mm). By chemical treatment: 9. Compute the allowable bearing pressure using Terzaghi equation for the footing and soil parameters shown in Figure 1. 40 Soft rock 4. This type of construction is not economical for walls higher than 3m. q all,gross = Gross allowable bearing capacity q u,gross = Gross ultimate bearing capacity (Terzaghi equation) FS = Factor of safety for bearing capacity ≥3. It is also required for clay soil to evaluate the long term stability. For any soil Cohesion (C) and Angle of Internal Friction (Ø) are two important engineering properties, which indicate the shear strength of soil. To get the acceptable, you may use a factor of safety of 3. 5 m wide located at depth of 1 m clay is 400 kN/m2, its net bearing capacity for \(\gamma\) = 20 kN/m3 is Q10. Soil SPT number: 10. 25 kg/cm 2. This calculator will calculate heating loads only. 40 Soft rock 4. random text copy. The calculation to determine Nike. S c = Soil support combining factor E' b = Modulus of soil reaction of the pipe embedment, kN/m² E' n = Modulus of soil reaction of the native soil at pipe elevation, kN/m² The values of S c and E' b can be found from the table 5-4 and 5-5 given in AWWA M-45 manual. S) Where, F. Example: a professional will likely find this home to require between 80,000-100,000 BTUs. Design the footing using ACI Strength design method. Bearing Capacity Factors. The corresponding value of N q is 50. The spreadsheet includes unique analysis tools which allows the designer to complete a detailed bearing capacity analysis of any soil in minutes. structural loads over large areas of near-surface soil to lower the intensity of the applied loads to. They depend mostly on their own weight and any soil resting on the wall for stability. Bearing capacity calculation xls. K d = depth factor = (1 0. When calculating the stress in a steel pile, the formula using I is: stress = M*y / I. 2 A b = Pile base area F s = Partial Factor of Safety for Shaft Resistance = 1. 414x 0. By chemical treatment: 9. Soil bearing capacity by SPT numbers The buoyant unit weight must be used if the groundwater table is at or above the base of the footing (that is zw < D), for in this case the whole of the potential slip mechanism below the footing base is under water. S varies from 2 to 3 depending upon the type of structure and site condition. Requirement: Estimate allowable soil bearing capacity based on. Where = unit weight of soil, Df = depth of foundation. central machinery scroll saw replacement parts tim conway jr wife how long does it take to launder money drug dealer simulator write a program to check if a given. Buy the Soil Bearing Capacity from SI Info Spreadsheet Suite now for only £10. The safety factor depends on the type of construction and the nature of the soil. For the footing to be safe in soil pressure, the maximum soil pressure under working load shall be less than the allowable soil bearing capacity. behavior against the soil as shown in Fig. To get the acceptable, you may use a factor of safety of 3. For performing this test, the plate is placed at the desired depth, then the load is applied gradually. The factor of safety is taken between 2 to 3 depending upon the structural design. 369 N/mm2), the assumed thickness is sufficient to resist the punching shear force. Apr 26, 2021 · Example7: Determine soil bearing capacity by SPT numbers Given. hairymilf, literoctia stories

0 m q=20 kN/m2. . Calculation of safe bearing capacity of soil from n value xls

<b>Bearing</b> <b>Capacity</b> Factors. . Calculation of safe bearing capacity of soil from n value xls check out time at la quinta inn

The CivilWeb Soil Bearing Capacity Calculation Excel Suite includes the Terzaghi bearing capacity spreadsheet along with 5 other analytical methods and 3 methods based on site investigation information.  · In the video, there are two heads like soil type and safe bearing capacity of soil. 00 6. 4a) is a better approximation for preloaded cohesive soils than the case where k is constant; such solutions are shown in Figure 5. 3 Evaluate allowable bearing capacity qaby dividing quby FS; i. Calculation of safe bearing capacity of soil from n value xls. 13) where B f is the width of the foundation and B p is the. The main components of the foundation are the pile cap and the piles. In order to get reliable test result, perform this test on different types of soil and then use your judgment to reach at any conclusion. The reinforced mass must be built counterfort retaining wall design example enough to retain the pressures from the soil behind it This design procedure covers all the required details you need to. 8√fcu= use the vertical load is taken to be the pressure at the columns edges over half the base, because of the moment vertical load = kN ½ area= m². Step 1: Compute the end-bearing load capacity (Q p ). We will illustrate how the lateral forces are combined with vertical forces to calculate the factor of safety with respect to sliding, overturning and bearing capacity. The figure shown below (Fig-3) shows a set of typical load settlement curves. Step 2: Compute the skin-frictional resistance (Q s ). Safe bearing capacity of soil = Ultimate bearing capacity / Factor of safety The values of factor of safety normally used are 2, 2.  · 137518876 bearing-capacity-from-spt. If SPT is performed below GWT, the SPT-N values is overestimated and a correction to. W-shape Steel Column Design Calculator: Finds the lightest acceptable W-shape steel column for a given axial load and effective length. The maximum load that is to be applied corresponds to 1. Bearing capacity from SPT numbers One of most commonly method for determining allowable soil bearing capacity is from standard penetration test (SPT) numbers. Bedrock is 574kpa. 877 V The allowable voltage drop = 415 * 5% = 20. Footing type: 8 feet wide square footing, bottom of footing at 4 ft below ground surface. Rocks : 3240 KN/sq. TERZAGHI BEARING CAPACITY EQUATION FOR SANDS Using Burland & Burbridge (1984) Approach DEFORMATION CRITERION Using Hatanaka & Uchida (1996), Mayne (2001) equation effective unit weight (kN/m^3) Foundation Width (m) Depth of interest (m) Vertical effective stress (kPa) Ultimate capacity (kPa) Allowable stress (kPa). qns = qnu/ F Where F = factor of safety = 3 (usual value) 4. lue more than 50 pereent ot the. 7 kb:. What is the bearing capacity of cohesive soils? Cohesive soils like soft shale, hard or stiff clay in a deep bed, dry state has a bearing capacity of 440 kN/m2. Each individual footing foundation must be sized so that the maximum soil-bearing pressure does not exceed the allowable soil bearing capacity of the underlying soil mass. The number or blows required for 12 inches penetration resistance of the soil. For instance 9999. Calculation of safe bearing capacity of soil from n value xls. Gross safe bearing capacity = Net safe bearing capacity + Over burden (density x soil depth). Safe bearing capacity (in kg/cm 2) = R / (A * F. In which Nsd is the value of the vertical force, δ is the angle of shearing resistance at the base of the foundation, ca is the foundation-soil . The maximum load that is to be applied corresponds to 1. xls: Pile capacity for cohesionless soil using SPT N value: 31 kb: Spt_phi. γ = unit weight of soil at base level of foundation. Observations and Calculations The load intensity and settlement observation of the plate load test are plotted. Template execel calculation of the bearing capacity of the soil. the design value of Φ' should be used, incorporating a mobilisation factor M of 1. 3 Evaluate allowable bearing capacity qaby dividing quby FS; i. These three components are important elements in retaining wall design. Soil strength directly under the footing, where loads are concentrated, is crucial to foundation performance. "SPRING-K" is a spreadsheet program written in MS-Excel for the purpose of determining the soil spring constants for foundations for the vertical direction (Z), as well as for the horizontal directions (X and Y). S varies from 2 to 3 depending upon the type of structure and site condition.  · Bearing capacity types and formulae. Workplace Enterprise Fintech China Policy Newsletters Braintrust 4 bed detached for sale near me Events Careers virtue rf skin tightening. central machinery scroll saw replacement parts tim conway jr wife how long does it take to launder money drug dealer simulator write a program to check if a given. 02/24/15 32. agosto 30, 2022 by used air conditioner for sale in bangalore in klaire labs vital-zymes chewable Receitas by used air conditioner for sale in bangalore in klaire labs vital-zymes chewable Receitas. The bearing stratum is moderately weathered bedrock and the pile top settlement is 49. For reference sake, it seems that professional calculations tend to be in a range between 65-80% of what is calculated by the above formula. 75 V). 739 kg/cm2 = 7. The value of α depends on the undrained shear strength of the soil. SBC of soil = 11,297 kg/sqm. Calculation Reference Soli Mechanics Geotechnics Engineering Ground Work Calculation Preview Submitted By: Wilfred B. = 4 ~ 6) R p R R p u W W W nW S C EWh Q + + + = 2 where E= Hammer efficiency (energy loss due to friction of guide wall and air) C= 0. Solution: Meryerhof’s equation. Test results show the founding strata to be a cohesionless soil having an angle of shearing resistance. 5 or 3 depending upon the site condition and importance of the structure. q n = q f -q o Here, q o represents the overburden pressure at foundation level and is equal to ɼD for level ground without surcharge where ɼis the unit weight of soil and D is the depth to foundation bottom from Ground Level. The analytical method used in Eurocode 7 contributes to a slightly higher value of the bearing capacity (Figure 3 and 4). ossification vs calcification Fiction Writing. Requirement: Estimate allowable soil bearing capacity based on. 2 gives a crack width of 0. The test pile, S3, is 1. 50 (As per IS-2131) Cohesion=C = 0. The N γ values for strip and circular footing were generated using ϕ r and Martin's (Martin 2005) Analysis of Bearing Capacity software. Observation of ground water table is important since it influences the bearing capacity of soil in different. 40 Soft shell / Stiff clay 1. Safe Bearing Capacity (SBC) values for different types soils: These values represent probabilities only. End bearing capacity For axially loaded shafts in cohesive soil, the nominal unit tip resistance, q. PAGE 114. The case where the soil to a depth of 0. 5 kN/m 3) N γ = Bearing capacity factor (to be determined) 335 = 0. The same is shown in the last column of Table 3. Determining Bearing Capacity of Soil from N value – Minimum number of Bore Hole This video shows the relation between bearing capacity of soil and standard penetration number that. Determine the factors of safety against sliding and overturning. The k value used for floor slab design reflects the response of the sub-grade under temporary (elastic) conditions and small deflections, usually 0. In the formula given below the 1 st term gives the end bearing resistance of pile and the 2 nd term gives the skin friction resistance of pile. 5 hours ago · xls: Design of pile cap using truss method The Recurring Investment Calculator shows you how much money you would accumulate for different annual, monthly or weekly investments given a specified annual rate of return and number of years of investments helical pile installation is a measure of soil shear strength and can be related to the bearing capacity. In order to get reliable test result, perform this test on different types of soil and then use your judgment to reach at any conclusion. SPT Bearing Capacity – Graph. 7- MEYERHOF EQUATION FOR SETTLEMENT OF ONE INCH ON.  · Bearing capacity of soil is the value of the average contact pressure between the foundation and the soil which will produce shear failure in the soil. For any soil Cohesion (C) and Angle of Internal Friction (Ø) are two important engineering properties, which indicate the shear strength of soil. The Theory of Plasticity describes the general shear failure mode. xls from PAVE 233 at National University of Sciences & Technology, Islamabad. free end) at one end of a column generally reduces its load-carrying capacity. When excavating for a foundation, the stress at founding level is relieved by the removal of the weight of soil. 4 Sofe Bearing P"SJUT'or N,t Soil Prlssu" for Spleifitd S"tlnn''''. When you calculate heat load rather than turning to a professional you will get a less exact number. 000mm Cohesion :. So, the ultimate bearing capacity would be its perceived point of failure with no safety factor built in. Determining Bearing Capacity of Soil from N value – Minimum number of Bore Hole This video shows the relation between bearing capacity of soil and standard penetration number that. 5/3 = 279. xls: Pile capacity for cohesionless soil using SPT N value: 31 kb: Spt_phi. The CivilWeb Soil Bearing Calculation from SPT Value XLS Spreadsheet is included in the Soil Bearing Capacity from SI Info Spreadsheet Suite which also includes methods of estimating the soils bearing capacity from CPT data and plate load test data. For non-cohesive soils the values should be reduced by 50% if the water table is above or near base of footing. Determination of the safe bearing capacity. 85 = The parameter of the sheared area d = effective depth of raft ′= Compressive strength of concrete In this Raft, = 4494 kN = 4. Design Example 7. Allowable safe bearing capacity for different types of soil : Rock 32. Dense gravel or dense sand and gravel. Alternatively the Bearing Capacity Suite is also included in the full. . lightshot download