Compressive Strength: 200 – 500 Kg/centimeter.square. I and 2) ICS 91.100.30 C BI52000 BUREAU OF INDIAN STANDARDS MANAK BHAVAN. Code of Practice for General Construction of Plain and Reinforced Concrete for Dams and Other Massive Structures: IS 516 (pdf) IS 516 (txt) 1959: Method of Tests for Strength of Concrete: IS 650 (pdf) IS 650 (txt) 1991: Specification for Standard Sand for Testing of Cement : IS 1199 (pdf) IS 1199 (txt) 1959: Methods of sampling and analysis of concrete: IS 1343 (pdf) IS 1343 (txt) 1980: Code of … Clean the first layer before pouring the new layer of concrete. In case of cement concrete, the mix commonly used is 1:5:10 (1 cement: 5 sand : 10 stone or over burnt brick aggregates 40 mm. These … It shall be deep cherry red or copper colour and shall be clean, free from dust, dirt and other foreign matters. Concrete has been used for many wonderful things throughout history, for either architecture or for infrastructure work and more. Geometric design 5. Continuously measure moisture content during construction work and add extra volume of sand according to the amount of moisture. within 30 min. The cement concrete shall be kept well watered for at least 20 days. Sand particles should have coarse, sharp and angular edges. … View Complete Details. Water shall be clean and free from alkaline and acid matters and suitable for drinking purposes. (d) Pre-cast concrete work – plain or reinforced (e) Cast-in-situ concrete work – plain or reinforced. Portland cement concrete (PCC) pavement refers to the rigid concrete layer of the pavement structure that is in direct contact with the traffic. 1.2 It may also be noted that the specification are of generalized nature and these shall be read in conjunction with the description of item in schedule of quantities and drawings. FILLING . 456 : 2000 ( R••fflrmed2005) Indian Standard PLAIN AND REINFORCED CONCRETE ­ CODE OF PRACTICE ( Fourth Revision) Tenth Reprint APRIL 2007 (IncludingAmendments No. Plain concrete has no reinforcing materials added. specifications in much greater detail, Following are the factors involved in the design process for concrete streets: 1. Concrete can have different properties depending upon the mixture that is used in creating it, which contains cement, chemical admixtures, and aggregates. 516-1959 Methods of test for strength of concrete 1161-1963 Specifications for steel tubes for structural purpo ses 1199-1959 Methods of sampling and analysis of concrete. Tensile Strength: 50 – 100 Kg/centimeter.square. Thanks..Can you show me how you compute for the PCC? USES: Plain cement concrete is commonly used in for foundation work and flooring of buildings. It shall be homogeneous in texture and roughly cubical in shape. Make sure concrete is not fallen from height more than two to three feet. ASTM's cement and concrete standards are instrumental in the evaluation and testing of concrete, cement, and aggregates. The concrete shall be laid in forms and tapped in such a way that no honeycomb surface appears on removal of the forms. 1. Cement should be fresh Portland cement. but here in that answer the curing time is not correct .after mixing we have to kept the mixture for half an hour nd 2 hours. IS 456: … FILLING . detailed specifications along with corresponding SOR CODE) 20 Hollow Cement Concrete Block Masonry in CM 1 : 6 in Foundation and Plinth 20. 1:2:4 (cement : sand : stone ballast) by volume when specified. We use cookies to ensure that we give you the best experience on our website. • All the joints are perfectly closed and lined up. Plain and Reinforced Concrete Specification May 2017 Process Industry Practices Page 3 of 16 – ASTM C33/C33M - Standard Specification for Concrete Aggregates – ASTM C150/C150M - Standard Specification for Portland Cement – ASTM C618 - Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete 9 BAHADUR SHAH ZAFAR MARG NEW DELIiI 110002 Price Rs. Scope of Work . For plain concrete 2000 For reinforced concrete 500 Suspended matter 2000. The Minimum grade of concrete for Reinforced Cement Concrete (RCC) is M20. • Surface contact with concrete shall be free from adhering grout, nails, splits and other defects. Shape of coarse aggregates should not be laminated and elongated. Cement used for construction work should be fresh and it should meet the standard specifications.eval(ez_write_tag([[250,250],'engineeringintro_com-box-3','ezslot_8',107,'0','0'])); Sand is used as fine aggregate in cement concrete. If concreting is not completed in one go, then rough the top layer before it gets harder. Reinforced cement concrete in pile cap complete at all levels with steel form work etc. ... 523 JOINT SEALING OF PORTLAND CEMENT CONCRETE PAVEMENTS 524 DOWEL BAR RETROFIT 535 PAVEMENT SURFACE PROFILE 549 PAVEMENT MARKINGS 550 PAVEMENT MARKING PAINT 551 PAVEMENT MARKING TAPE ... FSS Federal Specifications and Standards, General Services … PLAIN CONCRETE PAVEMENT WITH JOINTS Plain concrete pavement with joints has no reinforcing steel but is constructed with various transverse joint spacing (joints from edge of pavement to edge of pavement). Density: 2200 – 2500 Kg/meter.cube. If it is important, then make possible arrangement of equipment’s that are used for concreting under water. In normal conditions, avoid concrete pouring under water. In summers, temperature of concrete should not exceed 38 Degree Celsius. For reinforced concrete construction minimum M20 grade of concrete are used. The National Structural Concrete Specification (NSCS v4) is a sound basis specification for concrete, especially when including visual concrete. The inner surface of shuttering shall be oiled to prevent concrete sticking to it. mtr. Fine aggregate should contain sharp, angular grain. Construction specifications Sub!wades and Subbases Unlike o~er paving materials, the structural strength of a concrete pavement is largely … The National Structural Concrete Specification (NSCS v4) is a sound basis specification for concrete, especially when … Vibrator should be used for the compaction of concrete. Separate size No. Coarse aggregate used in the PCC must be of hard broken stone of granite or similar stone, free from dust, dirt and other foreign matter. Malad East, Mumbai, Maharashtra. This makes a strong joint with the new layer whenever it is casted. Pouring of concrete should be done in layers whose thickness should not exceed 6 inches. Detail specification of lime concrete in foundation are as below:-Detail specification. 67 or 57 coarse aggregate for continuous reinforced concrete pavement. Regular grades of concrete are M15, M20, M25 etc. In our earlier articles, we discussed different types of specifications and purpose of specifications, RCC specifications in detail. 20.2.2 Using Batching Plant, Transit Mixer and Concrete Pump (RCC M 35) Providing and laying steel reinforcement at any level in foundation complete as per drawing and technical specification. Pub 408/2003 is a single set of Construction Specifications that contains all measurements in dual values, Metric followed by English in parentheses. Formwork centering and shuttering shall be provided as required as per the standard specification before laying concrete to confine to support or to keep the concrete in position. as per drawing and technical specification [MoRTH specification : 1100, 1500, 1700] B2. It should be clean and free from any irrelevant organic matters. 67. Regular slump test should be carried out to control the addition of water and to maintain the required consistency. Sand should be clean, free from dust and organic matters. Brick Masonry in Cement Mortar … Concrete shall be laid gently (not thrown) in layers not exceeding 15cm and compacted by pinning with rods and tamping with wooden tampers or with mechanical vibrating machine until a dense concrete is obtained. Post was not sent - check your email addresses! For plain cement concrete works, generally M15 is used. Thickness design 6, Jointing 7. 520 PLAIN AND REINFORCED PORTLAND CEMENT CONCRETE PAVEMENTS 420 . It should not pass through the sieve size of 5mm and coarse aggregates should be graded. It incorporates standards and guidance in one document and usefully includes a detailed description for each of the standards stipulated by BS EN 13670 for visual in-situ concrete. RCC SPECIFICATIONS • Shuttering shall be done using seasoned wooden boards of thickness not less than 30mm. Tender For Cement Concrete Work Key Value. Concrete is a versatile material for modern construction which is prepared by mixing well-proportioned quantities of cement (even lime in some cases), sand , crushed rock or gravel , and water . guide me how to design the foundation for Green House structure where we are using steel column as 113.5×113.5x 5.7mm thick x 4.88mtr above this 3.1 mtr ht gable type truss span of the truss is 12.80. total area of green house is 563.2 sq. Cement is the basic and most important ingredient of cement concrete. If you continue to use this site we will assume that you are happy with it. 4 and size No. 467, 67, or 57 for plain Portland cement concrete pavement. Reinforced cement concrete (R.C.C) is the combination of ordinary concrete with the reinforcement to increase its compressive and tensile strength to a great extent. The ASTM Standard Specification for Portland Cement (ASTM C150) provides for five types as follows: - Type I—The standard product that has long been in use with no limitation on the proportions of the major oxides (CaO, SiO 2, Al 2 O 3, Fe 2 O 3), also referred to as “ordinary portland cement.” Concrete is a combination construction material made of cement, ash, gravel, limestone, and granite. The mix proportions shall match those of the surrounding concrete and the blocks shall be comparable to the surrounding concrete in strength, durability and appearance. … The cement concrete topping, normally consisting of 1:2:4 (1 cement :2 sand : 4 stone aggregate) is then laid in required thickness in one operation in the … Om G Designs. DETAILED SPECIFICATIONS OF EXCAVATIONS, FILLING AND BACK . Portland Cement. Measure the moisture content in sand and add extra volume of sand. of plain & reinforced concre te for dams & other massive structure. Concrete quality 3. A slump of 7.5cm to 10cm may be allowed for building work. Coarse aggregate shall be of hard broken stone of granite or similar stone, free from dust, dirt and other foreign matters. specifications in much greater detail, Following are the factors involved in the design process ... durability in hardened concrete. Mixing should be done by hand mixing or by machine mixing. For example, for M20 concrete, mix proportion will be 1:1.5:3 for cement:sand:coarse aggregates. Consider dry sand while calculation of proportioning. The heating that occurs in the kiln transforms the raw materials into new chemical compounds. nominal size). ASTM A 615/A 615M - Standard Specification for Deformed and Plain Billet-Steel Bars for Concrete Reinforcement; 2001b. The two standards of formed finishes appropriate for exposed visual concrete are ‘Plain’ or ‘Special’ depending upon the quality required. plain cement concrete depressed detail sheet 9) (see dws embedding aggregate subbase 2 2 subbase aggregate for curb ramps depressed curb (see note 14) ramp cross slope 5.00% alteration details surface non-walk 5'-0" 10:1 12:1 14:1 20:1 50:1 100:1 4" concrete sidewalk 24" min (see detectable warning surface details, sheet 9) 4" concrete 4'-0" min 4" concrete 6" 8" ‚" radius 7" ƒ" radius 8" 18" 10" … Concrete can be modified in a number of ways, including the addition of cementitious materials such as Slag or Fly Ash … Application : All over mumbai : Grade Standard : 30 : Minimum Order Quantity : 500 Square Feet : We are into the specialised in all kind of PCC WORKS FOR the buildings, roads etc. Group: Concrete Grade: Mix Ratio: Characteristic Compressive Strength (N/mm2) Ordinary Concrete : M5: 1 : 5 : 10: 5 N/mm 2: M7.5: 1 : 4 … The mixture of cement, fine aggregate (sand) and coarse aggregate are generally called plain cement concrete (PCC). Fine aggregate shall be of coarse sand consisting of hard, sharp and angular grains and shall pass through a screen of 5mm square mesh. • The shuttering and framing is sufficiently braced. Coarse Aggregate. 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. In this article, we are going to discuss in detail various specifications that are to be given before the initiation of PCC work. If vibrator is used for concrete compaction, then decrease the water amount as per engineer in charge orders. should i be using the total length of beams plus pile caps? It should be suitable for drinking purpose. Concrete itself is a solid material that is transported as a gravel mix. General Specifications (Flooring) First Class Building s 2.5cm cement concrete over 7.5cm lime concrete Second Class Building s 2.5cm cement concrete over 7.5cm lime concrete. It is also used in the construction of Dams. Detailed Specifications for Cement Concrete provides a step by step description and specifications for various phases of concrete production and application such as materials, mix proportions, mixing of content, workability, formwork, laying and curing. thick, well compacted,( FOR DETAILED SPECIFICATION … Acronyms • AASHTO: American Association of State Highway Transportation Officials • ACP: Asphal t Concrete Pavement • CRCP: Contin uously Reinforced Concrete Pavement Density of Material With the exception of admixtures, Pennsylvania DOT instructs that the following materials densities are used when proportioning cement concrete: Specific Gravity of Aggregates For fine and coarse aggregates, use the bulk specific gravity (saturated, surface-dry basis). Coarse aggregate shall be hard, well-burnt or over burnt brick ballast of 40mm gauge. 830.09+ Rs. 2 For 150 mm thick Walls 21 Hollow Cement Concrete Block Masonry in CM 1 : 6 in Super structure 21. Street classification and traffic 4. Water : Water should be clean and free from alkaline and other acidic matter. The spacer blocks, their positioning and fixing shall be in accordance with good practice as recommended by the Concrete Society in their … This site uses Akismet to reduce spam. Plain Rolling Hilly Steep 1 Design Speed . Design the concrete mix to conform to the following requirements: 1. The aggregates used for making concrete should be free … Sea sand is prohibited for construction work, because of high salt contents. Practice [CED 2: Cement and Concrete] July 2000 IS. Excess amount of water decreases the strength of concrete and also concrete ingredients get separate very easily. natural sources for concrete. or anythin simplier. Materials-All materials shall be per standard specification. The term PCC stands for plain cement concrete. Thanks. As per IS 456:2000, the grades less than M20 should not be used in RCC works. Km/ hr : i) Ruling 100 : 80 50 : 40 ii) Minimum : 80 65 : 40 30 : 2 ROW : m : i) Built-up areas : 30 30 : 30 30 : ii) Open areas 70 : 70 70 : 70 3 : Bridge Cross section (With Footpath) Overall Width : m 14.8 : 14.8 12.0 : 12.0 : Carriageway on Bridge Section m : 10.5 10.5 : 7.5 7.5 : Crash Barrier : 0.9 (2x0.45) 0.9 (2x0.45) 0.9 (2x0.45) 0.9 (2x0.45) Foot Path m : 3 (2x1.5) 3 (2x1.5) 1.5 … The surface of base concrete should be made damp and applied with a coat of neat cement slurry prior to laying the topping., The rough finished surface of base concrete coated with cement slurry ensures adequate bond between the base and the topping. 1 For 200 mm thick Walls 21.2 For 150 mm thick Walls 22 plain cement concrete depressed detail sheet 9) (see dws embedding aggregate subbase 2 2 subbase aggregate for curb ramps depressed curb (see note 14) ramp cross slope 5.00% alteration details surface non-walk 5'-0" 10:1 12:1 14:1 20:1 50:1 100:1 4" concrete sidewalk 24" min (see detectable warning surface details, sheet 9) DETAILED SPECIFICATIONS OF EXCAVATIONS, FILLING AND BACK . 16. 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