SITUATION 9: On the pouring the slab of a certain restroom has the following specifications: materials are to be used in the proportions 1:2:3 by volume; the water-to-cement ratio of 0.8 by volume. Determine the quantities of materials required if said element is 0.761 cubic meters of concrete. Specific Gravity 3.14 2.65 2.60 Materials Unit Cement Sand Gravel Weight 94 pcf 110pcf 100pcf

SITUATION 9: On the pouring the slab of a certain restroom has the following specifications: materials are to be used in the proportions 1:2:3 by volume; the water-to-cement ratio of 0.8 by volume. Determine the quantities of materials required if said element is 0.761 cubic meters of concrete. Specific Gravity 3.14 2.65 2.60 Materials Unit Cement Sand Gravel Weight 94 pcf 110pcf 100pcf

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Three batches of concrete were prepared using the same materials and ingre- dients, except that they have water-cement ratios of 0.50, 0.55, and 0.60, respectively. The following tests were performed on specimens made of the three batches: - Compressive strength test on 100 mm × 200 mm cylinders - Center point floxure test on 100 mm × 100 mm × 300 mm bcams - Split tension test on 150 mm X 300 mm cylinders Three replicates were tested for each test. Table P7.38 shows the average fail- ure loads for the three replicates of each case. It is required to do the following: a. Complete Table P7.38 b. Using an Excel sheet, plot the relationships between water-cement ratio and compressive strength, modulus of rupture, and tensile strength on the same graph. Label all axes and curves. c. Comment on the effect of water-cement ratio on the compressive strength, modulus of rupture, and tensile strength. TABLE P7.38 w/c Ratio Compressive Strength Test Flexure Test Split Tension Test Compres- sive…
Three batches of concrete were prepared using the same materials and ingre-dients, except that they have water–cement ratios of 0.50, 0.55, and 0.60,respectively. The following tests were performed on specimens made of thethree batches:■ Compressive strength test on 4′′ * 8′′ cylinders■ Center-point flexure test on 4′′ * 4′′ * 12′′ beams■ Split tension test on 6′′ * 12′′ cylindersThree replicates were tested for each test. Table shows the average failure loads for the three replicates of each case.It is required to do the following:a. Complete Tableb. Using an Excel sheet, plot the relationships between water–cement ratio and compressive strength, modulus of rupture, and tensile strength on the same graph. Label all axes and curves.c. Comment on the effect of water–cement ratio on the compressive strength, modulus of rupture, and tensile strength.
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According to ASTM how much content of lime stone shall be added to the port land cement and how it is calculated ?