The 5-hr boiling test was performed on a medium weathering clay brick according to ASTM C67 and produced the following masses:dry mass of specimen = 1.788 kg saturated mass after 5-hr submersion in boiling water =2.262 kgCalculate percent absorption by 5-hr boiling and check whether the brick satisfies the ASTM requirements.

Q: The following data were measured for the freeze–thaw test, AASHTO T 283. Three samples were…

A: Given that the diameter of samples is 6 in  Convert inches to mm D = 6 in.  =  150 mm

Q: To test the compressive strength of cement mortar, three 2” cubes were cast with three different…

A: Given: Length of mortar cubes = 2 in   Mix No. w/c Ratio Cube No. Maximum Load (lb) 1…

Q: Calculate the amount of water required for normal consistency to the nearest 10 percent and report…

A: Given, Test data for normal consistency of cement  Find:  Amount of water required for normal…

Q: adhesion between cement and aggregate paste more important in highly resistant concrete 5- Why is it…

A: 1.) Temperature changes could cause cracks or sapling, distress, and aggregate expansion which leads…

Q: Use the list below of design requirements/assumptions to come up with the concrete mix design: A…

A:

Q: (b) Aggregate is one of the main materials used in the production of concrete and its physical…

A: Both the qualities of fresh concrete and those of hardened concrete may be significantly influenced…

Q: In a laboratory we are doing a series of tests on a sample of aggregate. This sample has the wet…

A:

Q: 51. Describe the process for the multiple stress creep recovery (MSCR) test on asphalt binder.

A: The Multiple Stress Creep Recovery (MSCR) test is a procedure used to evaluate the high-temperature…

Q: Write any five difference between Ordinary Portland Cement and Pozzolana Portland Cement

A: Ordinary Portland Cement (OPC): A blend of limestone and raw materials, such as gypsum,…

Q: 5.8 A sample of wet aggregate weighed 297.2 N. After drying in an oven, this sample weighed 281.5 N.…

A:

Q: Eij A body is subject to the following strain distribution. x² + 2yx 3 + 10zx +10xy 3+10zx 5y + z2x…

A: Given data:- ∈ij=x2+2yx3+10zxz3+10xy3+10zx5y+z2xx2+2yz2z3+10xyx2+2yz2x2+y2×10-2

Q: To estimate the strength of concrete in a structure very quickly. To monitor setting and hardening…

A: Nondestructive testing (NDT) refers to a collection of testing techniques used to evaluate the…

Q: What is the recommended volume of Portland cement that can be replaced by fly ash? OA) 40-50% O B)…

A: Find answers in below tab

Q: Determination of Normal Consistency of Hydraulic Cement Calculation Calculate the amount of water…

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Q: e properties of five different pozzolans: Ground blast furnace slag, Silica Fume, Class F fly ash,…

A: Pozzolans, a large class of siliceous and aluminous minerals, are chemically reactive with calcium…

Q: If the dry weight of a second class brick is 1.5 kg, how much water (in kg) should be absorbed in…

A:

Q: Aggregate is one of the main materials used in the production of concrete and its physical…

A: In concrete more than 70% volume is filled by aggregate hence if any problem in aggregate then it…

Q: Review and explain the influences on the workability and compressive strength of concrete where the…

A:

Q: Three samples of fine aggregate have the properties shown below. Determine in percentage: (a) total…

A: MeasureSampleABCWet Mass (g)521.0522.4523.4Dry Mass (g)491.6491.7492.1Absorption…

Q: When conducting a laboratory test on brick samples, the following results were obtained: 8…

A: According to the Iraq standard no.25, The grades of bricks can be classified into three grades. They…

Q: Laboratory No. CE141L-ASTMC136-1 Weight of Sample: Original Oven Dry 5255 Moisture Content. % 5.21 %…

A: The grain size distribution is performed using the sieve analysis for the size of the grains lying…

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: Coarse aggregate is not part of standard mortar mixture True O False

A: Mortar is a combination of a binding material and a supporting material. The binding material could…

Q: Calculate the average density of brick. ?

A: Brick No. Length mm Width mm Depth mm Mass kg 1 213 98 70 2.52 2 212 98 70 2.5 3 211…

Q: The trial mix proportions of concrete is C:W:S:G = 1: 0.5: 2.35: 4.32. The slump of trial mix is…

A: Reference : Concrete Mix design, Trial Mix Proportion. Given : Trial mix proportion, Amount of…

Q: A severe weathering clay brick was tested for absorption and saturation coefficient according to…

A:

Q: How much air-entraining agent with a dosage of 50 mL/100 kg should be added to a mix with 8.1 kg of…

A:

Q: (B) Determine the volume of the products of hydration of a mix contains 110 gm cement, 35 gm water…

A: cement weight=110gm water weight=35gm assume specific gravity of water=1 specific gravity of…

Q: A concrete masonry unit was tested according to ASTM C140 procedure and produced the following…

A: Solution:-

Q: Calculate the chemical shrinkage (cm3/g) for one gram of completely hydrated Portland cement with…

A: Given, C3S = 65% C2S = 19% C3A = 4% C4AF = 9%

Q: Compute for the corrected in the concrete mix if ther aggregates are 650 kg and

A: Amount of water absorbed by Fine ans cooarse :=1.5% of 650+ 2% of 780=9.75+15,6=25.35kg

Q: Example select a mix proportional of 28-day compressive strength (measured on standard cubes) of 44…

A: w/c ratio = 0.55 (maximum) Cement Content = 290kg/m3 Water Content = 0.55 Cement Content = 159.5…

Q: Q#.01: Find optimum moisture content from the following data. (CLO2, PLO2) Weight of Mould%3D1970…

A: Weight of mould = 1970 gm Volume of mould = 0.0333 cft

Q: list primary chemical reactions during Cement Hydration

A: The process of mixing cement with water is known as hydration. Cement mainly consists of five…