Permeable void -Moisture Impermeable voids Solid (a) (b) (c) (d)

Q: الهودا Example We require a mix with a mean 28-day compress compressive strength (measured on…

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Q: ASTM C127 is the Standard Test Method for Density, Relative Density (Specific Gravity), and…

A: Given data in question  ASTM C127 For density,  Relative density and absorption capacity To find out…

Q: Q2 /Fill up the blanks in the following: 1- .is the name given to the abnormal stiffening of cement…

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Q: B: Design a concrete mix to be used in a concrete substructure that subject to a moderate sulfate…

A: first calculate the mean target strength fmean=fck+1.65σ=30+1,65×50=38.25n/mm2 now assume water…

Q: 7 The specific gravity and absorption test (ASTM C128) was performed on fine aggregate and the…

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Q: is the grade size used to identified the practical grading of the aggregate O 4.75 mm O 600 micron O…

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Q: Compute the compressive strength, in psi, for each size of aggregate on each no. of days of curing.…

A: Given Data: The recorded maximum loads are given when the specimen breaks.   To Determine: The…

Q: We require a mix with a mean 28-day compressive strength of 26.5 MPa) the size of the member and the…

A: Given DataThe spacing between reinforcing steel = 50 mmThe compressive strength concrete at 28 days…

Q: Design mix concrete for foundation without extreme weather exposure. The require compressive…

A: To find : To design mix and estimate final weights after adjustments due to absorption and moisture…

Q: What is the amount of Moist Coarse Aggregate? b. What is the amount of SSD Fine Aggregate? c.…

A: Solution: Givendata  coarse aggregate = 1160 kg/m3  fine aggregate = 599 kg/m3 water content = 148…

Q: Design the concrete mix according to the following conditions: Design environment Pavement,…

A: Calculating target strength: fck'=fck+1.65Sfck'=fck+1.65×1.7=23.81 MPa Taking the water-cement…

Q: Laboratory specific gravity and absorption tests are run on two coarse aggre-gate sizes, which have…

A: Given:  Aggregate A: Bulk specific gravity = 2.814 Absorption = 0.4, Aggregate B: Bulk specific…

Q: The nominal maximum size for an aggregate is the standard sieve opening immediately smaller than the…

A: Answer:-  Nominal maximum size of an aggregate:- The smallest sieve opening through which the entire…

Q: To determine the moisture content , samples of fine and coarse aggregate from the supplied source…

A: Following is required answer :

Q: Describe in detail the relationship between an aggregate's: Shape to the workability of concrete…

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Q: 4. A sample of fine aggregate weighs 501.2 g when SSD and 491.6 g when OD. The flask weighs 540.6 g…

A: The bulk specific gravity of fine aggregate is given by:Gsb=AB+S-C Where, A = Oven dry weight =…

Q: QI: Prepare mix design for given data • The 28-day compressive strength should be 34 MPa, The slump…

A: Mix design is the selection and designing of proportion of ingredients needed for producing a…

Q: A concrete mix has a proportion of 1:0.4:1.8:2.5 (P:W:S:G). In the powder content, 90% percent is…

A: Solution:

Q: 5) A 2000 g coarse aggregate sample in SSD condition weighed 1272 g when immersed in water. The same…

A: Specific gravity is a dimensionless unit defined as the ratio of the density of a substance to the…

Q: Calculate the moisture content and absorption capacity for the following three aggregate samples.…

A: M1=mass of sampleM2=mass of oven dry sample M3=mass of  sample  in SSD conditionFormulaMoisture…

Q: Prepare mix design for given data • The 28-day compressive strength should be 5000 psi, The slump…

A: Let the total volume of trial mix be 1 cubic yard  then according to ACI 211.1-91, table 6.3.3, for…

Q: Laboratory specific gravity and absorption tests are run on two coarse aggre-gate sizes, which have…

A: Given that  Bulk specific gravity of aggregate A is GA= 2.491 and absorption is 0.8 Bulk specific…

Q: 12) Suppose that the following mix design was obtaincd at the lab before making any field…

A: Given: The mix design prepared in the lab is shown in the below table:   Kg/m3 Cement…

Q: A concrete aggregate mix must contain at least 31% sand by volume for proper batching. One source of…

A: The least cost of blended aggregate will be resulted from maximum use of lower cost material. The…

Q: H.W select a mix proportional of 28-day compressive strength (measured on standard cubes) of 56 MPa,…

A: Solution: Desing of concrete mix proportion: The mean strength fm = fmin + ks=56+(1.64x4)=62.4…

Q: A sieve analysis test was performed on a sample of coarse aggregate and pro- duced the results in…

A: The given table is shown below:

Q: 2) Two aggregates (Al and A2) were obtained from the field. They were brou the oven dry condition…

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Q: If my total evaporable moisture is 2.2% and my total surface moisture is 1.3%, is it a good…

A: Given data, Total evaporable moisture = 2.2% Total surface moisture = 1.3%   The aggregate can be…

Q: Define voids in the mineral aggregate for asphalt concrete.

A: Voids in the mineral aggregate (VMA) refer to the void space among aggregate particles in a…

Q: sorption. The following masses were obtained. Mass of moist aggregate = 5,982 grams Mass of…

A: aAbsorption=Wet of saturated dry sample-wt of oven dried sampleoven dry…

Q: A concrete mix required for construction of an industrial building. Cement is PKC32,5. Specific…

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

Q: Discuss the effect of the amount of material passing the 0.075-mm (No. 200) sieve on the stability,…

A: The 0.075-mm (No. 200) sieve which is the smallest sieve in grain size analysis so the aggregate…

Q: Laboratory specific gravity and absorption tests are run on two coarse aggregate sizes, which have…

A: Given data:Bulk specific gravity of aggregate A (GA) = 2.491 Bulk specific gravity of aggregate B…

Q: rding to the following conditions. Design Environment Pavement slab, (cold climate) Required design…

A: Given : Required design strength = 3000 psi Slab thickness = 12 in. Statistical data indicate a…

Q: For various cement and concrete compositions, indicate the relative difference between the following…

A: To determine: The relative difference between given physical and chemical properites.

Q: We require a mix with a mean 28-day compressive strength of 26.5 MPa) the size of the member and the…

A: Reference : ACI 318 Normal concrete ; No air entrained concrete. For 26.5 MPa ,By interpolation W/c…

Q: Samples of coarse aggregate from a stockpile are brought to the laboratory for determination of…

A: The presence of porosity in aggregate makes it an adsorptive nature. The amount of free water…

Q: 2. A sample of fine aggregate weighs 501.2 g when SSD and 491.6 g when OD. The flask weighs 540.6 g…

A:

Q: coarse aggregate with a nominal maximum size of 2 inches and dry rodded density of 110 lb/ft3 will…

A: Given, Is a mix design for preparing concrete, wherein The coarse aggregate is having Nominal max…

Q: According to ACI 211 we require a mix with a mean 28-day compressive strength (measured on standard…

A: Solution: Concrete Mix design as per ACI 211 Target mean strength  = 40 MPa Since OPC is used the…

Q: Design a Mix for the following Data.…

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Q: Aggregate from two stockpiles, A and B having coarse aggregate angularity (crushed faces) of 55% and…

A: given values x1=55% x2=75%P1=45P2=55p1=30%p2=60%

Q: A 2000 g coarse aggregate sample in SSD condition weighed 1272 g when immersed in water. The same…

A: Given data in question  Weight of aggregate in SSD conditions  = 2000 gm Weight of aggregate in oven…

Q: Q2 /Fill up the blanks in the following: 1- is the name given to the abnormal stiffening of cement…

A: FALSE SET is the name given to the abnormal stiffening of cement within a few minutes of mixing with…

Q: Q2 /Fill up the blanks in the following: .....is the name given to the abnormal stiffening of cement…

A: FALSE SET   is the name given to the abnormal stiffening of cement within a few minutes of mixing…

Q: Coarse aggregate is placed in a rigid container and rodded with a tamping rod. Volume of the bucket…

A: Given Volume of bucket is 0.00945 m3 WEIGHT OF EMPTY BUCKET IS 82.5 N

Q: Define the following terms:a. Saturated surface-dry condition of aggregatesb. Absorption of…

A: Hi! Thank you for the question, as per the honor code, we are allowed to answer three sub-parts at a…

Q: Given: w0=2140g, w1=2350g, w2=1105g. What is the absorption of the given coarse aggregate?

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Q: QI: Prepare mix design for given data • The 28-day compressive strength should be 34 MPa, The slump…

A: Mix design : A process used to design or identify the correct proportion required to produce…