The ultimate load carrying capacity of a short circular column of 300 mm diameter with 1% helical reinforcement of Fe 415 grade steel and concrete of M 20 grade, is nearly A) 451 KN B 500 kN c) 756 kN D) 794 KN
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- A reinforced concrete slab (one ends continuous) is built integrally with its supports and consists of two equal spans. each with a clear span of 14 ft. The service live load is 200 psf, and 4000 psi concrete is specified for use with steel with a yield stress equal to 60.000 psi. Calculate total factored load for the above structure. Minimum thickness h of nonprestressed one-way slabs Simply supported One end continuous Both ends continuous e/20 e/24 e/28 Cantilever /10 O a. 450 psf O b. 475 psf Oc. 495 psf O d. 425 psfThe working load capacity of a column of size 300 mm x 600 mm with minimum percentage of steel is the value as nearest integer.) kN. Assume grade of concrete as M20 and grade of steel as Fe415. (GiveThe simply supported I-beam shown in cross-section and elevation is to carry a uniform service live load totalling 8 kN/m over 12m span, in addition to its own weight. The beam will be pretensioned using multiple seven-wire strands, eccentricity is 130mm and constant. The 28-day compressive strength of concrete is 40 Mpa. Calculate deflections
- ス F. reinforced concete structure is shown The floor framing plan oF in the figure. The beams are 280 mm wide and S20 mm deep, and the slob is 110mm thick an edditional (super impes) veight,1 and live lo ad of OTher than conerete weight, the floor subjected other to Is dead load of 3k Pa si2 k Por. Unit weight of concrete is 23.5 kN/m® le Determine the total uniform load on beam DEF and ABC axial load 20 Determme the total on columns A and B,D an) E 2Sm 티 2.Sm 6.2m 6.2mWhat is the ultimate uniaxial load capacity of the given column section, according to the design strengths of the materials? Concrete is C30, longitu- dinal steel bars and ties are B420C. Longitudinal bars are o14, ties are o10. b= 300 mm, h= 400mm. The column will be produced on site with adequate quality control. %3D h 1357 kN b) 750 kN 2490 kN d) 1150 kN 1470 kN Leave blankReinforced And Prestressed Concrete "Please I really need this in 30minutes. Thankyou very much" Instructions: Solve all problems completely. If assumptions are made, verify if the assumption are correct. No verification of assumption leads to loss of points. Problem: A simply supported rectangular beam of length L has a width of b and an effective depth of d. The beam is to be reinforced using 12mm bars. The beam supports service dead loads of Wd and WL, respectively.Use fc=28 Mpa and fy=420 MPa GIVEN: b= 197.5 mm d= 317.5mm L= 2.7 m Wd = 13.75 kN/m WL = 17.75 kN/m 1. Calculate the ultimate moment capacity of the beam. 2. Calculate the height of the equivalent stress block. 3. determine the number of bars required for this beam
- concrete : C20 steel : S420 h=550 mm hr:100 mm b=750 mm bw=350 mm d'=40 mm steel rebars in top : 5Φ26 steel rebars in bottom : 5Φ26Recitation 6 Design a one-way slab $3 having a simple span of 4m. The slab is to carry a uniform live load of 7.5 kPa. Assume fé = 27.6 MPa and fy= 276 MPa for main and temperature bars. The slab is not exposed to earth or weather. use unit weight of concrete &c=23,5 kN/m² T am S1 52 54 S3 S4 4m Given: Super imposed Dead loads (from tiles, finishes, MEFPS, Ceiling) Wsp = 2.5 kPa Live Load WIL = 1.9 kpaDesign a one-way slab for inside of a RC Building. NWC. Use slab thickness = 6/1/2" Additional WDL = 40 psf is applied to the self-weight WLL = 10.0 psf. t₂ = 3000 psi fin 15ft 7 Grade 60 steel. Rebars.
- Design a simple span one-way slab to carry a uniformly distributed live load of 18 kPa The span is 34 meters (center to center of supports). Use fc 20.7 MPa and fy276 MPa. -Use NSCP 2015, conform to minimum thickness requirements. Complete solution ty..Find moment of resistance of a singly reinforced concrete beam of 250mm wide and 455mm effective depth reinforced with 4 diameter 20mm rebars.use s-400 and c20/25 steel and concrete grade of materials.3. Which of the assumptions accepted when determining the ultimate moment resistance of reinforced concrete cross-sections are not valid in the following 2 independent cases. You need to justify your answers. Section Steel Hole h>>>> 0- Anchorage Anchorage O