Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
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The document discusses various building materials used in civil engineering projects. It describes the properties and uses of common materials like stone, brick, lime, cement, timber, sand, aggregates, mortar and concrete. For each material, it covers types/classes, composition, properties and applications in construction.
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Stones form one of the most important building materials in civil engineering. Stones are derived from rocks, which form the earth's crust and have no definite shape or chemical …
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The concrete block testing standards mandate a sample in the shape of 15 cm x 15 cm x 15 cm cubes to be employed as specimens for the cube test. At least 3 specimens are used for the test. After 7 days and 28 days, the load is gradually applied at the rate of 140 [latex]kg/cm^2/minute [/latex] till the specimen fails.
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Many types of stones are available such as basalt, marble, limestone, sandstone, quartzite, travertine, slate, gneiss, laterite, and granite which can be used as construction materials.
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Aggregates are raw materials that are produced from natural sources and extracted from pits and quarries, including gravel, crushed stone, and sand. When used …
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Stone. From the olden day, stones have been considered one of the popular materials for building due to their high availability from natural rocks. Strength and durability are the two most important …
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10. The density of wet sand is: a) 1922 kg/m 3. b) 1682 kg/m 3. c) 1281 kg/m 3. d) 1522 kg/m 3. View Answer. Sanfoundry Global Education & Learning Series – Basic Civil Engineering. To practice all areas of Basic Civil Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers.
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Basic Civil Engineering Questions and Answers – Types of Bricks. This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Types of Bricks". 1. Unburnt bricks are also called: a) Dry bricks. b) …
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Sand is a commonly used construction material in civil engineering projects, such as in building foundations, pavement construction, and soil stabilization. ... The density of natural aggregates such as sand, gravel, and crushed stone ranges from 1520 to 1680 kg/m3. Meanwhile, artificial aggregates like expanded clay, shale, and slag …
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Sandstone: A sedimentary rock composed of sand-sized grains, used for building facades, walls, and paving. 5. Limestone: A sedimentary rock that is commonly used for building facades, flooring, and walls. 6. Slate: A fine-grained metamorphic rock used for roofing, flooring, and blackboards. 7.
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6. End of a brick is placed in a glass dish containing water and it is tested for efflorescence after it is absorbed or evaporated. a) True. b) False. View Answer. 7. When observed efflorescence is more than 10% but less than 50% of the exposed area, it is: a) Moderate efflorescence. b) Serious efflorescence.
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There are three main sources of sand used in construction, river sand, crushed sand, and pit sand. River sand is usually obtained from river banks, while pit sand is obtained by digging … See more
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CIVIL ENGINEERING MATERIALS and CONSTRUCTION COURSE CODE: BCE03002: 3.0.0 (CR 03) ... Basic Building Materials II Building stone: classifications, properties and structural requirements; ... in the form of pit sands and gravel. Irregular aggregates may result 35- 37% of voids. These
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This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Mortar". 1. Mortar comes from the Latin word: 2. The first used Mortar was: 3. Polymer Cement Mortar (PCM) is used primarily for: 4. MM 1.5 means:
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This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Properties of Stones". 1. For a good building stone how much is the required crushing strength? a) Less than 50 N/mm 2. b) Greater than 100 N/mm 2. c) 155 N/mm 2. d) 10 N/mm 2. View Answer. 2.
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M Sand, short for Manufactured sand, is also known as crushed sand or manufactured fine aggregate. It serves as a replacement for river sand in construction projects. Produced by crushing rocks, quarry stones, or larger aggregate pieces into sand-sized particles in a factory or quarry, M Sand possesses a size smaller than 4.75 mm.
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In 2023, 1.5 billion tons of crushed stone valued at more than $24 billion was produced by an estimated 1,400 companies operating 3,500 quarries and over 180 sales and (or) distribution yards in 50 States. Why are they important? Not only are aggregates the building blocks of our society, they are also prevalent in our daily lives.
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Basic Civil Engineering Questions and Answers – Source and Classification of Sand. This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Source and Classification of Sand". 1. What is sand composed of? a) Silica. b) Silicon. c) Silicon oxide. d) Quartz. View Answer.
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The stones used in masonry must be robust, durable, and free of cracks, sand holes, and voids. The availability of the stone and the construction's relevance decide the stone's selection for a given project.
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In addition to the material economy, the right use of material leads to higher structural strength, functional efficiency, and aesthetic look. Construction materials are the materials that are used in the construction of buildings, structures, and other facilities. These materials include concrete, steel, wood, plaster, glass, and many others.
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Basic Civil Engineering Questions and Answers – Manufacture of Timber. This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Manufacture of Timber". 1. The felling of the tree is usually carried out in: a) Winter. b) Summer. c) Rainy season. d) Spring. View Answer.
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Fine aggregate commonly known as sand is an inert material widely used for construction works. From concrete production to mortar, asphalt, and even t ... Crushed Stone Sand/Artificial Sand: ... Civil Engineering Profile use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By ...
DetailsCivil Engineering-Building Materials MCQ. Question No. 11 The basic purpose of a retarder in concrete is (A) To increase the initial setting time of cement paste in concrete (B) To decrease the initial setting time of cement paste in concrete (C) To render the concrete more water tight (D) To improve the workability of concrete mix Answer: …
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The common stones used for masonry construction are limestone, sandstone, granite, marble, laterite, etc. 2. Mortar. The binding material used for masonry construction is the mortar. Cement or lime with sand and water form the mix for masonry mortar. The mix formed is uniform in nature.
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This set of Basic Civil Engineering Questions and Answers for Experienced people focuses on "Types of Cement and Uses". 1. What is the abbreviation of PPC? a) Perfect Portland Cement. b) Portland Produced Cement. c) Portland Pozzolana Cement. d) Productive Portland Cement.
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Quantity of sand. Volume of sand is = Volume of dry mortar x (Parts of sand / Total parts of ingredient) = (1.3×6)/7=1.14 m 3 of sand or fine aggregate. Quantity of Water. For wet mortar recommended water-cement ratio varies from 0.4 to 0.6. Further, water requirement depends on any admixture added to mortar to improve its workability ...
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Nowadays, wet method of cement manufacturing is used. 2. In the figure below, what does 'a' represents? 3. In the same figure in question 2, what is 'b' and its function? 4. How is the argillaceous material used in the manufacture of cement stored? 5.
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The type of stone selected in civil engineering construction greatly impacts the aesthetics, performance and durability of structures. As an engineer, carefully evaluate the characteristics and properties of different stone types like strength, hardness, appearance, workability etc. before deciding on the appropriate material for your project.
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Cement, one of the most important building materials, is a binding agent that sets and hardens to adhere to building units such as stones, bricks, tiles etc. Cement generally refers to a very fine powdery substance chiefly made up of limestone (calcium), sand or clay (silicon), bauxite (aluminum) and iron ore, and may include shells, chalk, marl, …
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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