Test No. 4 "Specific Gravity and Absorption of Fine Aggregate" (ASTM C 127-88) I. Objectives: This test method covers the determin ation of Bulk and Apparent Specific Gravity and Absor ption of fine aggregste. Materials: 1 kg of sand is used using sample splitter. Apparatus: 1. A balance having capacity of 1 kg or more sensitive to 0.1 gm. 2. Pyenometer : A flask or other container into which the fine aggre- gate sample can be introduced. It is usually of 500 cm'capacity. 3. Mold: a metal mold in the form of a frus tum of a cone with dimensions as follows : 37 mm inside dia meter at the top, 90 mm inside diameter at the bottom and 15 mm in height. 4. Tamper: a metal mold in or tamper weighing 340t 15 gm and having a flat circular tamping face 25 mm in diameter. 5. Electrical oven. 6. A container suitable to submerge the sample with water.

Q: Define the following terms: ( provide the equation and explain what the equation represents).  a).…

A: Thank you for asking the question. We are only permitted to respond to three sub-parts at once in…

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

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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: A sample of coarse aggregate was tested in a laboratory to find its moisture content. The wet weight…

A: Dry weight=5235.1gmWet weight=5403.5gmMoisture content=Wwet-WdryWdry×100Free water=MC-Absorption

Q: A 1775g of coarse aggregates was soaked for at least 24hours prior to the lab. It is then brought to…

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Q: The mass of the aggregates to be tested in Los Angeles Abrasion Machine is 10,000g, what is the %…

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Q: 50 Non-air entrained concrete Specimens: 150x300 mm cylinders Cement: Type I or Normal 40 28 days 30…

A:

Q: After placement, the temperature of the concrete is measured and recorded by thermal sensors during…

A: Datum Temperature of concrete mix = -50 CTemperature vs age data for first 14 days

Q: Depending on the properties of the different chemicals and their relative composition, identify the…

A: Tri Calcium Aluminate (3CaO.Al2O3) or C3A is responsible for the flash setting of the cement and…

Q: The recommended dosage on a viscosity modifying admixture is 5 fl oz/cwt. The proportions of the…

A: Recommended dosage on a viscosity modifying admixture = 5 fl oz/cwt. Coarse aggregate = 1800 lbFine…

Q: Define the following terms: (don’t just provide the equation, explain what the equation represents).…

A: Saturated Surface-dry condition of aggregate: - It occurs when the aggregate is soaked in water and…

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.