im currently working on my final year project. i need professional assistance with generating a mix design for self compacting concrete using rice husk ash at different replacement percentages by weight. i would like to use two water/binder ratios of 0.3 and 0.4 and various percentages of super plasticizer in the design. target strength is 40MPa

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: .: using the British Method, design a Concrete mix for a blinding with a specified characteristic…

A:

Q: .When depositing concrete

A: Concrete is a heterogeneous compound and it is a mixture of fine aggregate, coarse aggregate,…

Q: Calculate the volumes of the hydration products for 150 gm of cement with 0.5 w/c ratio, assume…

A: It is required to determine the volume of dry cement actually hydrated. Vcah=Weight of dry cement…

Q: Create a design mix using the ACI DESIGN MIX PROCEDURE with the following parameters: Non-air…

A: Design of concrete mix for 35 MPa Assuming 5 percent of results are allowed to fall below specified…

Q: A trial concrete mix is to be prepared for a garage floor which is subjected to freezing. and…

A: Solution: Concrete Mix Design: The required strength = 32 MPa Standard Deviation = 1.5 Coarse…

Q: Lab Report of 1: Compressive test   ,2: Ultrasonic pulse velocity , and 3: Rebound hammer (Surface…

A: Compressive strength test of concrete:Cement, fine aggregate and coarse aggregate (up to 38 mm) to…

Q: A trial concrete mix is to be prepared for a garage floor which is subjected to freezing. and…

A:

Q: List the steps involved in proportioning of concrete (i.e. mix design) if the required concrete…

A: Moisture content MC : The aggregates contain some amount of water already. Such water is called as…

Q: Vhich admixture would you use in each case during mixing or at the job site? a. More time is…

A: The various admixtures required for given conditions are mentioned in the following step.

Q: a) Why and how rebound hammer is used for concrete? b) State the proper procedure for filling the…

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

Q: Approximately 70% of concrete is made up from aggregates. Some stated that aggregates are only an…

A: b) Even in ideal conditions, the phrase inert indicates not reacting to anything else. As a result,…

Q: Table 1 shows the various quantities of materials needed for several different concrete mixes. Mix…

A: Given, Mix design data

Q: nstruction: Please provide complete solutions and box final answers.

A: S.no  Strength in Mpa  Mean  (X-mean) (x-mean)^2         1 38.3 41.735 -3.435 11.799225   3.074275…

Q: . Determine the compressive strength of each cylinder after 7 days. b. Determine the average…

A:

Q: Concrete is required for several structural members of a residential house. Due to the present…

A:

Q: 3) For the beams and columns of a structure the followings are specified or determined. Design an…

A:

Q: H.W. #1 27 Nov. 2021 Q.I A Convert the mix ratio of concrete (1: 2: 3.5/ 0.55) by weight to the mix…

A: Note: Hi! Thank you for the question as per the honour code, we’ll answer the first question since…

Q: Students in the materials lab mixed concrete with the following ingredients: 32.1 lb of cement, 51.6…

A: Solution: Given: Cement = 32.1 lb  = 14.6 kg Sand = 51.6 lb      = 23.4 kg Gravel = 67.5 lb    =…

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: The correct mix for a batch of concrete is 5:4:2 in terms of sand, gravel, and cement. The batch…

A: Objective: To determine the quantity of sand, gravel and cement for given concrete mix.   Given:…

Q: Explain two changes you would make to the mix proportions given in this photo to improve the…

A: The method of evaluating or selecting the relative proportions of concrete elements, including…

Q: 3) The design of a concrete mix requires 1173 kg/m3 of gravel in dry condition, 582 kg/m3 of sand in…

A: Solution: Given that, Content of gravel = 1173 kg/m3 Moisture content of gravel = 0.8%, Absorption…

Q: (c) Explain why concreting works in the rain is prohibited during construction. Give two (2)…

A: It is asked to explain why concreting works in the rain is prohibited during construction and also…

Q: Using the Department of Environmental (DOE) method, design a concrete mix that will be used in this…

A: Fck = 30N/mm2  Target mean strength is given by Fck + 1.28 S, what S is standard deviation. So…

Q: How does the increase of maximum aggregate size used in the concrete mix design affect the…

A: Increase of maximum aggregate size used in the concrete mix design affect the percentage of fine…

Q: For the following concrete mix design 1:0.51:1.29:3.6 (P:W:S:G), how much of each individual…

A: Volume of the slab = 5*4*0.2= 4 m3 With extra 5%= 4.2 m3 Total Weight of Materials Used= 4.2*2420=…

Q: Kindly show full stepss thanks and handwritten pls

A: a voltage source (V1), two resistors (R1 and R2), and an ammeter. The question might be related to…

Q: You are working on a concrete mix design that requires each cubic yard ofconcrete to have 0.45…

A: Given:- The water-cement ratio of the concrete = 0.45 The unit weight of the dry gravel = 1165 kg/m3…

Q: How does the increase of maximum aggregate size used in the concrete mix design affect the…

A: We know for best results the gradation should be well graded. For well-graded aggregates, the voids…

Q: desi cubic yard of concrete to have a 0.43 water-cement ratio, 12 kg/m3 of dry gravel, 145 kg/m3 of…

A: Mix design:Water–cement ratio = 0.43C.A =1232 kg/m3 Water content = 145 kg/m3Air content = 4%

Q: ou are working on a concrete mix design that requires each cubic meter of concrete to have 0.40…

A: Given that; w/c ratio=0.45Mass of cement=335 kg/m3 ,Gcement=3.15Air content=4%Mass of dry…

Q: In a ready-mix plant, cylindrical samples are prepared and tested periodically to detect an

A:

Q: Give atleast two factors that will affect the economic aspect of the concrete mix.

A: Concrete mix is a mixture of Binding material, fine aggregates and coarse aggregates with definite…

Q: Assume that you are going to make a three cubic yard (3yd³) of concrete. Create your own mix design…

A: The design strength = 3.8 ksiThe slump should = 3 to 4 in.The maximum size of aggregate = 2 inUnit…

Q: Concrete Compressive Strength test Discussion: If the compressive strength results of your trial…

A: ● Solution:-  Compressive strength of the concrete is determined by cube test in which 3 sample of…

Q: a)Explain what is section steel and reinforcement steel? Next discuss the advantages and…

A: (a) Section steel: Section steels are also known as structural steels. Section steels are available…

Pricing Concrete Work

The concrete work in a project usually holds a high-end cost in terms of cost and value of the work. It becomes an important step in calculating the cost associated with concrete while preparing the project scale. The cost of making concrete depends on the cost of building materials, mixed materials, labor, and machinery. A concrete contractor builds structures from concrete, usually managing all the steps of the process from assembling ingredients to building a holding structure and preparing the mixture. This person or team oversees the delivery and unloading of goods to ensure that they are done properly. Nowadays, most of the concrete in the United States comes from manufacturers working abroad, usually with branches and plants within the provinces. Contributions can range from pre-mixed concrete to basic ingredients, the consumer company then mixes it. Many American-based concrete companies, however, offer concrete products, such as ballads, bricks, countertop, concrete pipe, and building products, as well as concrete construction and installation materials. This article covers both types of suppliers for this set of building materials.