Concrete Pour Card


Following is the pour card for concrete work which can be used on construction sites. Please note this is for reference only and actual concrete pour card depends on your construction site.
We at royalcivilz.blogspot.com are helping all civil engineers who are working on construction projects.
You can download the Concrete Pour Card Here

1. Standard Sieves
Sieve diameter: 200 mm
Mesh size – 0.075 mm, 0.1 mm, 0.25 mm, 0.5 mm, 1 mm, 2 mm, 5 mm, 10 mm, and 20 mm, with pan and lid.
2. Digital Sieve Shaker
3. Balance & scale
Capacity:
(1) 200 g/0.001 g
(2) 3000g/0.01 g;
(3) 20 kg/1 g
4. Digital Display Constant Temperature Convection Oven
5. Standard Proctor Compactor & Modified Proctor Compactor
6. 150KN Universal Electric Extruder
7. Sand Replacement Test Sets (Galvanized Steel)
8. Sand Cone Test Sets
9. Digital liquid plastic limit united device
10. Disc type liquid limit device (Casagrande Method)
11. Plastic Limit Test Sets
12. Shrinkage Limit Test Set
13. Falling Head Soil Permeability Apparatus
14. Constant Head Permeability Apparatus
15. Electric Strain Unconfined Compression Tester
16. Triplex Consolidation Apparatus
17. Duodenary Direct Shear Pre-pressing Apparatus
18. Electric Strain Direct Shear Testing Apparatus
19. Four-bladed Vane Shear Testing Apparatus
20. Consolidation and Permeability United Apparatus
21. Triaxial Test Set
22. CBR Machine
23. Field CBR Test Set
24. Field Loading Plate Test Apparatus
25. Relative Density Apparatus
26. Digital Display Hydraulic Compression Testing Machine
27. Resilience Modulus Test Apparatus
28. Portable Mixer (Universal)
29. Large pulverizing machine
30. Capillary Water Rise Height Tester
31. Expansion Apparatus
32. Shrinkage Testing Meter
33. Free Swelling Rate Meter
34. Speedy Moisture Test Sets
35. Natural Slope Test Sets
36. Stainless steel cutting ring
37. Aluminum can
38. Enamel tray
39. Wire Saw
40. Scraper, spatula, and Shovel or Scoop
41. Graduated flask and stirrer
42. Thermometers
43. Hydrometer
44. Desiccators
45. Caliper
46. Soil Pycnometer
47. Mortar and Pestle
48. Soil sampling device
49. Vacuum Saturator Apparatus
50. Linear Shrinkage Mould

Things Site Engineers Must Know About Reinforcement and Steel Bars
Clear cover to main reinforcement in
Footings : 50 mm
Raft foundation Top : 50 mm
Raft foundation Bottom/ sides : 75 mm
Strap Beam : 50 mm
Grade Slab : 20 mm
Column : 40 mm (d>12mm) 25 mm (d= 12mm)
Shear Wall : 25 mm
Beams : 25 mm
Slabs : 15 mm or not less than diameter of the bar.
Flat Slab : 20 mm
Staircase : 15 mm
Retaining Wall on Earth : 20/ 25 mm
Water retaining structures : 20 / 30 mm
Sunshade (Chajja) : 25 mm
Hook for stirrups is 9D for one side
No. of stirrups = (clear span/Spanning) + 1
For Cantilever anchorage length for main steel is 69D
“L” for column main rod in footing is minimum of 300mm
Chairs of minimum 12 mm diameter bars should be used.
Minimum diameter of dowel bars should be 12 mm
Lap slices should not be used for bar larger than 36 mm.
In steel reinforcement binding wire required is 8 kg per MT.
Lapping is not allowed for the bars having diameters more than 36 mm.
Minimum number of bars for a square column are 4 and for circular column are 6.
Longitudinal reinforcement should not be less than 0.8% and more than 6% of gross C/S.
Weight of rod per meter length = d2/162 where d is the diameter in mm
All reinforcement shall be free from mill scales, loose rust & coats of paints, oil or any other substances.
Main bars in the slabs shall not be less than 8 mm (HYSD) or 10 mm (Plain bars) and the distributors not less than 8 mm and not more than 1/8 of slab thickness.
In case of spacing of bars
Provide the diameter of the bar, if the diameter of the bar are equal.
Provide the diameter of the larger bar, if the diameter are unequal.
5mm more than the nominal maximum size of the coarse aggregate.
Things Site Engineers Must Know
Check out the Unit Weights and Conversion which will be required on construction site here
Minimum thickness of slab is 125 mm.
Water absorption should not be more than 15 %.
Dimension tolerance for cubes + – 2 mm.
Compressive strength of Bricks is 3.5 N /mm2
Maximum Free fall of concrete allowed is 1.50 m.
In soil filling as per IS code for every 100 sqm 3 sample for core cutting test should be taken.
Electrical conduits shall not run in column
Earth work excavation for basement above 3 m should be stepped form
Any back filling shall be compacted 95% of dry density at the optimum moisture content and in layers not more than 200mm for filling above structure and 300 mm for no structure
F soling is specified the soling stones shall be laid at 45° to 60° inclination (and not vertical) with interstices filled with sand or moorum.
A set of cube tests shall be carried out for each 30 cum of concrete / each levels of casting / each batch
of cement.
Water cement ratio for different grades of concrete shall not exceed 0.45 for M20 and above and 0.50 For M10 / M15 contractor
For concrete grades M20 and above approved admixture shall be used as per mix design requirements.
Cement shall be stored in dry places on a raised platform about 200mm above floor level and 300mm away from walls. Bags to be stacked not more than 10 bags high in such a manner that it is adequately protected from moisture and contamination.
Samples from fresh concrete shall be taken and at least a set of 6 cubes of 150mm shall be prepared and
cured. 3 Cubes each at 7 days and 28 days shall be tested for compressive strength. The test results
should be submitted to engineer for approval. If results are unsatisfactory necessary action/rectification/remedial measures has to be exercised.
Water used for both mixing and curing shall be clean and free from injurious amounts of oils, acids, alkalies, salts, sugar and organic materials or other substances that may be deleterious to concrete or steel. The ph shall be generally between 6 and 8.
Cement shall be tested for its setting. 
1. The initial setting time shall not be less than 30 minutes.
2. The final setting time shall not be more than 10 hours.
Slump IS 456 
Lightly reinforced 25 – 75 mm
Heavily reinforced 75 – 100 mm
Trench fill (insitu & Tremie) 100 – 150 mm (For Tremie no need of vibrator)
Curing Days Required 
Super Sulphate cement : 7 days
Ordinary Portland cement OPC : 10 days
Minerals and Admixture added cement : 14 days
Cube Samples
1 – 5 M3 : 1 No.
6 – 15 M3 : 2 No’s
16 – 30 M3 : 3 No’s
31 – 50 M3 : 4 No’s
Above 50 M3 : 4 + 1 No of addition sample for each 50 M3.
Things Site Engineers Must Know About Reinforcement and Steel Bars
Check out the Unit Weights and Conversion which will be required on construction site here
check list which is of great use to all civil engineers.
Accuracy of measuring equipment in batching plant. 
Cement : + – 2%
Aggregate : + – 3%
Admixture : + – 3%
Water : + – 3%
Mixing time : 2 minutes for one mixing. (Mixing which is being done on site)
Tolerance in Form work
In C/S for columns & Beams deviation is = + 12mm more (or) – 6mm less in size
In footing plan = + 50 mm more (or) – 12 mm less size
In depth = + – 0.05 D (specified thickness).
Tolerance in Reinforcement
For effective depth D < = 200mm = +- 10mm
For effective depth D > 200mm = +- 15mm
For Cover to reinforcement = + 10mm
Maximum freefall of concrete = 1.50 m height.
Tolerance on diameter in length
0-25mm = +- 0.5 %
25-35mm = +- 0.6 %
35-50mm = +- 0.8 %
Tolerance on weight per metre
0-10mm = +- 7%
10-16mm = +- 5%
16 and above = +- 3%
Tolerance for cutting Length
A) When the specified length is not given = + 75mm (or) – 25 mm
B) When the minimum length is specified = + 50 mm (or) – 0 mm

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1 comment:

  1. BURHAN8 December 2018 at 05:53

    Thank you for taking the time to publish this information very useful! Maquininha UOL Pag Seguro

    ReplyDelete

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