A concrete mix required for construction of an industrial building. Cement isPKC32,5. Specific gravity of cement is 31.5 kg/dm3. Vibrator will be usedduring the placement of concrete. The grading analysis of bulk aggregate asfollows. Specific gravities and bulk density of aggregates as follows::2.60 kg/dm3Coarse Aggregate :2.65 kg/dm³:2.72 kg/dm1.30 kg/dm31.70 kg/dm31.55 kg/dm3SandPebbleTarget strength has been desired as 20 + 5 = 25 MPaWorkability of the resulting concrete will be PlasticMinimum amount cement will be 350 kg/m³Grading of the bulk aggregate at the site:Sieve size (mm)168410.50.25Cumulative Passing (%) 10064.848.732.824.012.04,5Design a concrete mix which is already solved by using Eprical Formulas according to ACI andTS and compate the results,

Taking the volume of trial mix be 1 cubic meter : According to ACI code slump required for…

A concrete mix required for construction of an industrial building. Cement is PKC32,5. Specific gravity of cement is 31.5 kg/dm³. Vibrator will be used during the placement of concrete. The grading analysis of bulk aggregate as follows. Specific gravities and bulk density of aggregates as follows: 1.30 kg/dm3 1.70 kg/dm3 1 EE kaldm3 Sand :2.60 kg/dm3 Coarse Aggregate :2.65 kg/dm³ 272 kaldm3 Dobble

A concrete mix required for construction of an industrial building. Cement is PKC32,5. Specific gravity of cement is 31.5 kg/dm³. Vibrator will be used during the placement of concrete. The grading analysis of bulk aggregate as follows. Specific gravities and bulk density of aggregates as follows: 1.30 kg/dm3 1.70 kg/dm3 1 EE kaldm3 Sand :2.60 kg/dm3 Coarse Aggregate :2.65 kg/dm³ 272 kaldm3 Dobble

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A concrete mix has a ratio os 1:2:4 by mass. The properties of the materials to be used are tabulated below. MATERIALS. SPECIFIC GRAVITY CEMENT 3.33 SAND 2.65 GRAVEL 2.67 Cement weighs 40 kg per bag. Use 24 liters of water per bag of cement Compute the volume of cement solids per bag of cement in cu m. Compute for the required volume of sand solids per bag of cement. Compute for the volume of concrete that can be produced per bag of cement 0.1 Need answer until 8 pm. Guaranteed like for a detailed complete solution.
A portland cement concrete mix requires mixing sand having a gradationfollowing the midpoint of the ASTM gradation band (Table 5.4) and gravelhaving a gradation following the midpoint of size number 467 of the ASTMgradation band (Table 5.5) at a ratio of 2:3 by weight. On a 0.45 power gradation chart, plot the gradations of the sand, gravel, and the blend. Is the gradation of the blend well graded? If not, what would you call it?
The requirements and material properties of an air entrained concrete mix are given below. Calculate the weights of the components of 1 m3 of concrete. Water content: 200 kg/m3 Air content: 7.5% W/C: 0.45 (By Weight). Dry aggregate volume in 1 m3 concrete mixture: 0.44 m3 Specific Gravity (g/em3 ) water absorption capacity (%) Total Moisture (%) Cement 3.15 Fine aggregate (saturated surface dry) 2.65 1.3 5.5 Coarse aggregate (saturated surface dry) 2.7 0.5 1.5 Dry unit weight of coarse aggregate is 1,500 kg / m3. 'kind
5.6 Define the following terms: a. Saturated surface-dry condition of aggregates b. Absorption of aggregates c. Free water on aggregates d. Referring to Figure 5.9, which portion of the water in the aggregate reacts with the cement in the PCC mix?
Coarse aggregate is placed in a rigid container and rodded with a tamping rod. Volume of the bucket is 0.00945 m³, weight of empty bucket is 82.5N, weight of bucket filled with dry rodded coarse aggregate is 249.26N. Determine; a) the bulk unit weight of dry aggregate b) the percent voids in the aggregate if the bulk dry specific gravity of the aggregate is 2.63.
determine the effective specific gravity of aggregates. DATA: Specific Gravity: Fine Agg = 2.603 Coarse Agg = 2.740 Asphalt Cement = 1.048 Percent By Weight: Fine Agg = 47.90 Coarse Agg= 47.78 Asphalt Cement= 100-FA-CA
2. Students in the materials lab performed the specific gravity test (ASTM C127) on coarse aggregate and they obtained the following data: a. Dry weight = 3862.1 g b. SSD weight = 3923.4 g c. Submerged weight = 2452.1 g Calculate the specific gravity values (dry bulk and SSD).
If needed assume the unit weight of water to be 62.4 lb/ft3 a) A HMAC sample has the following volumetric properties (i) VMA = 0.1865 ft3and (ii)Volume of air = 0.0452 ft3 Compute %VFA. b) A HMAC sample has 140 lbs of aggregate with a bulk specific gravity of 2.65 and aneffective specific gravity of 2.71. Based on this information the volume of the absorbedasphalt is ________________ft3A compacted sample of hot mix asphalt concrete sample has a unit weight of 135 lb/ft3.c) The sample has an asphalt content of 5% (by weight). Assume no absorbed asphalt.The bulk specific gravity of the aggregate is 2.65, and specific gravity for the asphaltcement is 1.05. Based on this information compute VMA for this mixture.
Working on major construction project that requires considerable amounts of concrete to be used,you are asked to design a concrete mix following the BRE methodology. The concrete mixspecifications are:o Characteristic compressive strength of 50 N/mm 2 at 7 days.o Failure rate of 2%o Previous control data yielded a standard deviation of 5 N/mm 2o CEM-I 52.5o Air-entraining is not requiredo Required slump 120 mmo Coarse aggregate: Crushed maximum size 10mmo Fine aggregate: Uncrushed with 45% passing 600 μm sieveo Relative density of aggregates: 2.7o Coarse aggregate has 4% moistureo Fine aggregate is dry and has 1.2% absorption.o Volume of the required trial mix: 0.120 m3 Create the mix design and state what actions and recommenations you would do if trial produced a result with a mean compressive strength of 64 MPa at 7 days and the slump was 80mm.
The cement content of a concrete is 375 kg/m3 and the w/c ratio is 0.46. At a specific moment of the cement hydration, the degree of hydration is 0.80. Calculate the volume (dm/m³) of the following: (i) chemically bound water, (ii) gel water and (iii) capillary water A concrete sample was extracted from a structure and dried at 105 °C in which 80 kg/m3 of water evaporated. The degree of hydration (a) was determined to be 0.5. The mix design of the concrete was 1:6.0:0.6 (Cement:Aggregates:Water mix ratio by weight) and the target air content was 3 %. a) How much of the water had been evaporated prior to drying at 105°C? b) What were the volume of (i) un-hydrated cement, (ii) solid part of cement gel, (iii) gel water, (iv) contraction pores, and (v) capillary pores at the time of sampling?