Bar bending schedules showing now the reinforcement bars are to be bend a real so provided. Reinforced Concrete. drawings precast reinforced concrete crown units and link slabs shall be designed and supplied in accordance with rta qa specification r16 precast reinforced concrete box culverts 32 2 cover sheets, in this work a detailed study of optimum design of reinforced concrete box culvert was carried out Details of Joints in Jointed Unreinforced Concrete PavementThe success of jointed unreinforced … This specification covers reinforced arch-shaped concrete pipe to be used for the conveyance of sewage, industrial wastes, storm water, and for the construction of culverts. 20mm thick external plaster in CM (1:4). Detailed Specifications of Cement Concrete. A-3 SPECIFICATIONS, REINFORCED CONCRETE CONSTRUCTION Revised 2005/01/17 Page 2 of 31 3.6.5 Similar separate storage shall be provided for packaged cement. 0 Stone dust can also be used as fine aggregate in cement concrete, but … Structural steel 67 10. Sand is used as fine aggregate in cement concrete. Flooring 84 14. The number of strokes per layer required to produce specified conditions will vary according to the type of concrete. within 30 min. Plain and Reinforced Concrete Specification PURPOSE AND USE OF PROCESS INDUSTRY PRACTICES In an effort to minimize the cost of process industry facilities, this Practice has been prepared from the technical requirements in the existing standards of major industrial users, The concrete from the drum shall be placed on a water tight platform. 0000000016 00000 n Cement should be fresh Portland cement. Procedure for Second coat- The second coat of sand faced cement plaster shall be carried out in CM of proportion 1:1 and shall be of thickness 8mm. Fine Aggregate-The sand to be used shall be clean and coarse and shall be free from any organic or vegetable matter. This paper compares and summarizes design specifications and construction requirements, with a specific focus on “nominally reinforced rubble stone masonry (NRM) with cement mortar and wooden diaphragms in seismic areas.” Materials- All materials shall be per standard specification. It shall be deep cherry red or copper colour and shall be clean, free from dust, dirt and other foreign matters. It should be suitable for drinking purpose. 112 17 While writing detailed specifications, explain The specifications of every single component should be narrated briefly at the time of formulating detail specifications. Form work 56 s p o t S 3 r 6 e t a W . As the name implies, "Building Code Requirements for Structural Concrete" is meant to be used as part of a legally adopted building code and as such must differ in form and substance from documents that provide detailed specifications, recommended practice, complete design procedures, or … Cement- The cement shall be used in this work shall comply with the standard requirements. The sand shall be washed, if there is any trace of earth in it. ASTM's cement and concrete standards are instrumental in the evaluation and testing of concrete, cement, and aggregates. The bullies shall be supported at the base on 40mm thick wooden plate having area not less than 0.10sq m. The surface of formwork shall be oiled before placing of concrete. The coarse aggregate for the concrete work shall be clean and free from impurities such as earth, coal dust and other organic materials. C 7 V P 8. In the former case, the mixing drum shall be turned at least for 1.5 minutes after all the ingredients are added and the drum shall be completely emptied every time. 2. Dry cast using Type III/V Cement which meets the requirements for both Type III and Type V Cement. Nearly 325 seismic and masonry codes from all over the world have been analyzed, of countries where stone masonry was, or still is, abundantly practiced. The heating that occurs in the kiln transforms the raw materials into new chemical compounds. Laying and compaction should be done before setting of concrete i.e. In the most general sense, portland cement is produced by heating sources of lime, iron, silica, and alumina to clinkering temperature (2,500 to 2,800 degrees Fahrenheit) in a rotating kiln, then grinding the clinker to a fine powder. • The shuttering and framing is sufficiently braced. Water : Water should be clean and free from alkaline and other acidic matter. AWWA C300, C302 and AWWA Design Manual M9 Concrete Pressure Pipe. %PDF-1.6 %���� Ready mixed concrete for driveways is normally specified in accordance with American Standards for Testing and Materials specification ASTM C-94. 0000001659 00000 n For cubical specimens, in no case shall the concrete be subjected to less than 35 strokes per layer for 15 cm cubes or 25 strokes per layer for 10 cm cubes. A steel cage and or steel cylinder assembly is encased in cement-rich concrete using a vertical cast process. This project outlines the important components and basic techniques and methods required for structural detailing of a reinforced concrete duplex. Jalal Afsar January 18, 2015 No Comments. Coarse Aggregate- The coarse aggregate shall consist of 67% of black trap metal carrying in size from 20mm to 40mm and 33% of black trap metal carrying in size from 20mm to 6mm. All bars shall be placed as per design given by the engineer and utmost care shall be taken to keep them in the same position while packing concrete around them. The sponge shall be used in the second coat and it shall be applied when the second coat is wet and it shall be so worked that the density of the sand grains appearing on the surface shall be equal and uniform. It's the best way to discover useful content. Concrete can have different properties depending upon the mixture that is used in creating it, which contains cement, chemical admixtures, and aggregates. ... Statistics. Find answer to specific questions by searching them here. Note 1-The material described in this specification may be used for blending with portland cement to produce a cement meeting the requirements of M 240M/M 240 or as a separate ingredient in concrete or mortar mixtures. Aluminium works 128 The mortar shall be consumed within 30 minutes after adding water. Size. 0000004363 00000 n Size of sand particles should be such that it passes through 4.75mm sieve. In plain cement concrete coarse aggregate should be hard durable and free from impurities. Centering- The centering for the concrete work shall be sufficiently strong and rigid and in good condition so as to turn out a good smooth surface. NOTE 1-This specification is a manufacturing and purchase specification only, and does not include requirements for bedding, backfill, or the relationship between field load condition and the strength classification of pipe. The material may also be useful in a variety of special grouts and mortars and, when used with an appropriate activator, as the principal cementitious material in some applications. You'll get subjects, question papers, their solution, syllabus - All in one app. Fibre Reinforced Concrete (FRC) is gaining an increasing interest among the concrete community for the reduced construction time and labor costs. 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