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 . The requirements are set forth in the Standard Specification for Slag Cement for Use in Concrete and Mortars (ASTM C989). 1. The mixture of cement, fine aggregate (sand) and coarse aggregate are generally called plain cement concrete (PCC). Contact Seller Ask for best deal. Limits of Chloride content of Concrete Type or use of concrete Maximum total acid soluble chloride content expressed as kg/m 3of concrete Concrete containing metal and steam cured at elevated temperature and pre-stressed 0.4 concrete Reinforced concrete or plain concrete containing embedded metal 0.6 Concrete not … method 'b' plain or conventionally reinforced portland cement concrete pavement type 1 and type 2 repairs: 2/25/2016 2/23/2016: view (pdf, 149 kb) download: md-577.04: method 'c' plain or conventionally reinforced portland cement concrete pavement type 1 and type 2 repairs: 2/25/2016 2/23/2016: view (pdf, 150 kb) download: md-577.05 Concreting under water should be completed simultaneously and avoid joint between two concrete layers. 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. 'Ordinary’ may also be appropriate for surfaces designed to be exposed but painted, but attention to acceptable tolerances maybe required. It should be clean and free from any irrelevant organic matters. 67. Sand should be clean, free from dust and organic matters. thick, well compacted,( FOR DETAILED SPECIFICATION … This specification helps as a guide for how to carry out cement concrete works for various purposes. Fine aggregate should contain sharp, angular grain. Fine aggregate shall be of coarse sand consisting of hard, sharp and angular grains and shall pass through a screen of 5mm square mesh. Mixing machine is used for large scale construction works. 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. We ... (CRS) and Specifications for Plain Cement Concrete (PCC) in our further articles. Laying and compaction should be done before setting of concrete i.e. (d) Pre-cast concrete work – plain or reinforced (e) Cast-in-situ concrete work – plain or reinforced. RCC SPECIFICATIONS • Shuttering shall be done using seasoned wooden boards of thickness not less than 30mm. Sea sand shall not be used. Concrete has been used for many wonderful things throughout history, for either architecture or for infrastructure work and more. 9 BAHADUR SHAH ZAFAR MARG NEW DELIiI 110002 Price Rs. Cement shall be fresh Portland cement of standard ISI specifications and shall have the required tensile and compressive stresses and fineness. Construction specifications Sub!wades and Subbases Unlike o~er paving materials, the structural strength of a concrete pavement is largely … USES: Plain cement concrete is commonly used in for foundation work and flooring of buildings. In winters, if temperature drops below 4.5 Degree Celsius than stop concrete work immediately. 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). 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. If you continue to use this site we will assume that you are happy with it. 520 PLAIN AND REINFORCED PORTLAND CEMENT CONCRETE PAVEMENTS 420 . 10.5 Plum Concrete 176 10.6 Cement Concrete for Dams and other Massive Structures 177 10.7 Reinforced Concrete (Technical Specifications) 213 10.8 Reinforced Concrete (Contract Specifications) 224 10.9 Reinforced Concrete With Brick Plumbing 232 10.10 Precast Cement Concrete 234 10.11 Damp Proof Course 235 CHAPTER 11 Brick Work Separate size No. The mixture of cement, fine aggregate (sand) and coarse aggregate are generally called plain cement concrete (PCC). Measure the moisture content in sand and add extra volume of sand. Vibrator should be used for the compaction of concrete. Sand shall be of standard specifications, clean and free from dust, dirt and organic matter. Tensile Strength: 50 – 100 Kg/centimeter.square. The types of joints used in plain concrete are shown in Figure 1-3. Cement should be fresh Portland cement. Material Used in Plain Cement Concrete. 10. How to select suitable concrete grade for construction? DETAILED SPECIFICATIONS OF EXCAVATIONS, FILLING AND BACK . IS 456: … Street classification and traffic 4. General Plain Cement Concrete Specifications in Pennsylvania. Minimum compressive strength of concrete of 1:2:4 proportion shall be 140 kg/cm2 in 7 days. Advanced Cast Stone’s Precast Architectural Concrete Standard Specifications ... 15. Stone ballast, sand and cement shall be put into cement concrete mixer to have the required proportions. 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. FILLING . Concrete is a combination construction material made of cement, ash, gravel, limestone, and granite. Concrete can have different properties depending upon the mixture that is used in creating it, which contains cement, chemical admixtures, and aggregates. 2 For 150 mm thick Walls 21 Hollow Cement Concrete Block Masonry in CM 1 : 6 in Super structure 21. should i be using the total length of beams plus pile caps? Specifications for Coursed Rubble Stone (CRS) Masonry, Structures and Classification of Structures | Design of Steel Structures, Thumb rules for designing a Column layout | Civil Engineering, Minimum Standards for Structural Design | RCC Structures, Column Bases | Design of Steel Structures, Height of Instrument Method | Surveying and Levelling. In our earlier articles, we discussed different types of specifications and purpose of specifications, RCC specifications in detail. Sea sand is prohibited for construction work, because of high salt contents. Malad East, Mumbai, Maharashtra. In-situ Cement Concrete Flooring. by the Cement and Concrete Sectional Committee had been approved by the Civil Engineering Division Council. Sir plx tell me which is better opc or pcc, The “P” refers to PORTLAND as in the type of cement used in the concrete. Tender For Cement Concrete Work Key Value. It shall be deep cherry red or copper colour and shall be clean, free from dust, dirt and other foreign matters. 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. 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. 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. While, hand mixing is preferred as it is economical for smaller concrete works.eval(ez_write_tag([[250,250],'engineeringintro_com-banner-1','ezslot_0',111,'0','0'])); Concrete consistency depends on water to cement ratio. FILLING . Use size No. Make a standard measuring box according to the volume of one cement bag. (2) IS 1542 Specifications for sand for plaster (3) IS 2645 Specifications for integral cement water proofing compound (4) IS 8112 Specification for 43 grade OPC (5) IS 269 Specification for 33 grade OPC (6) IS 1489 Specification for Portland Pozzolana cement 2.0 MATERIALS 2.1 Cement 2.1.1 Cement shall be ordinary Portland cement conforming to IS. In this article, we are going to discuss in detail various specifications that are to be given before the initiation of PCC work. 1:4:8 (1 cement :4 fine sand:8graded Concrete Grade and Mix Ratio Table. Finishing of Exposed surface- All exposed surfaces of the concrete work shall be finished with 12mm thick cement plaster of sagol finish and three coats of white or colour was shall be applied on these exposed … It should be of good quality and should meet all the standard specifications. Sand particles should have coarse, sharp and angular edges. 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.” Contents:Work Procedure for Cement […] 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. Proportion : The proportion of the cement concrete should be 1:2:4 or as prescribed. In my earlier articles, I discussed types of specifications, purpose of specifications, RCC specifications, Specifications for Brick masonry in Cement Mortar, Coursed Rubble Masonry Specifications. It is also used in the construction of Dams. Pub 408/2003 is a single set of Construction Specifications that contains all measurements in dual values, Metric followed by English in parentheses. Consider dry sand while calculation of proportioning. RWD Tender For Civil Works Roads Mmgsy Ndb Brrp 320 Benipur , Due Date: 11-01-2021 ,Tender Value: 50037100 ,City : BENIPUR, Location: Bihar Tender Notice 26489348 … Plain concrete is mostly used in the construction of pavements and in buildings, where very high tensile strength is not required. The aggregates used for making concrete should be free … The spacer blocks, their positioning and fixing shall be in accordance with good practice as recommended by the Concrete Society in their … In regards to specification and standards, BS EN 13670: basic, ordinary, plain and special … It shall be deep cherry red or copper colour and shall be clean, free from dust, dirt and other foreign matters. A minimum portland cement content of 564 pounds per cubic yard (335. kilograms per cubic meter) of concrete, with a maximum ... plain and reinforced concrete pavements. Regular slump test should be carried out to control the addition of water and to maintain the required consistency. This standard was first published in 1953 under the title ‘Code of practice for plain and reinforced concrete for general building construction’ and subsequently revised in 1957. 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 … In normal conditions, avoid concrete pouring under water. The … specifications in much greater detail, Following are the factors involved in the design process ... durability in hardened concrete. Explain the specifications of materials used in RCC works from height more than detailed specification for plain cement concrete! Size coarse aggregate are generally called plain cement concrete concrete pouring should be clean and free from.... 5Mm and coarse aggregates be pour before the initiation of PCC work well-burnt over... 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