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- 33Cracking Analysis of Reinforced Concrete ANSWER A. TO G. COMPLETE SOLUTIONS -positive bending moment = +200KNm -draw transformation of areas -draw strain and stress diagramA reinforced concrete beam has a width of 300 mm, an effective depth of 500 mm and is reinforced with a steel having an area of 1200 mm^2. The beam is subjected to a bending moment of 70 kN- m. If the modular ratio = 8, using WSD, Cracked Analysis. a) Determine the stress developed in the concrete. O 7.914 MPa 8.903 MPа 5.936 MPa 6.925 MPa None of the Choices 9.893 MPa
- Q Calculate the quarlity cement required in m for plaokering of mix of a wall of 5x4m with 12 mm thick plaoler 1:6.compute for the modulus of ruptiure of the concrete beam sample is 6"x6" and the span length of the beam (support to support) is equivalent to the 3 times the depth of the beam. load applied is 65.5 kN at center. a. 11.6 MPa b. 14.9 MPa c. 12.7 MPa d. 13.1 MPa31
- Compressive Strength is conducted for each aggregate with 3 specimens for each no. of days of curing. The recorded maximum load when the specimen breaks are as follows 7 Days (kN) | 486.73 14 Days (kN) 28 Days (kN) 678.8 ... 746.3 3/8" Sample 513.14 694.2 754.7 360.71 679.8 759.8 7 Days (kN) 14 Days (kN) 28 Days (kN) 231.86 339.8 377.7 3/4" Sample 252.04 339.6 381.1 206.69 343.3 379.9 Compute the compressive strength, in psi, for each size of aggregate on each no. of days of curing. Please indicate if the sample passed the required strength for each no.of days of curing. Conversion: 1lb-f = 4.488 N Attach your solution on the box below, image type.Engineering Math 3 Q31- The reason of place the weights over CBR sample to ......curve ..kg of aggregate 2- The relationship between pressure and deflection represent. 3- If the California bearing ratio at 0.1 in =40, the unit load for the sample is 4- The quantity of aggregate and no. of spheres in los Angeles test depend on 5- The ability of aggregate to resist rain and decrease and increase in temperature called .. 6- Presence of flaky and elongated particles in the coarse aggregate used for the construction of pavement is considered undesirable because... particle have better workability 8- The resistance to abrasion is called... 9- In the sand equivalent test, a value equal to 81 % was obtained, the clay reading =116 mm and sand reading 10 - ........gages were used in measure modulus of subgrade reaction 11-............. important to ensure adequate aggregate interlock and prevent excessive HMA deformation under load (rutting).
- In concrete work, Fuller and Thompson (1907) suggested that a dense packing of grains can be achieved if the percent finer (p) and grain size (D) are related by the following equation, where n is a constant varying in the range of 0.3-0.6. Dmax is the size of the largest grain within the soil. p=(DDmax)n100 This equation is sometimes used in roadwork for selecting the aggregates. a. For n = 0.5, show that the soil is well graded. b. If n = 0.5 and Dmax = 19.0 mm, find the percentages of gravel, sand, and fines within the soil. Use the Unified Soil Classification System.Home The compressive strength of samples of cement can be modeled by a normal distribution with a mean, , of 6000 kg/cm² and a standard deviation, o, of 100 kg/cm². (a) What is the probability that a sample's strength is less than 6250 kg/cm²? Ans. 0.9938. (b) What is the probability that a sample's strength is between 5800 and 5900 kg/cm²? Ans. 0.1359 (c) What strength is exceeded by 95% of the samples? Ans. 5836.5Anyone help me with this I asked twice bt so far all the answers that returned I couldn’t see the attachments.thanks in advance