System-Formworks for education-2024.pptx

System formworks

1. System Formworks

2. Training Regulation Unit of competency

3. Shoring Refers to the provision of temporary support with shores to a building or an excavation.

4. Raking Shores

5. Dead shores

6. Formworks Refers to boarding used to contain wet concrete as it sets. The formworks is a temporary structure and can be made of wood or steel. Once the concrete has hardened, the formworks boarding is removed. PVC / Plastic

7. Type of Formwork Systems Timber formwork Steel formwork Plywood formwork Aluminum formwork Plastic formwork Fabric formwork Tunnel formwork

8. A-FRAME SCAFFOLDING DOUBLE PIPE ANGLE WALER ALUMA BEAM PHENOLIC BOARD BEAM HOLDER TIE ROD WITH WING NUT 17mm ALUMA BEAM Parts of F ormworks

9. ACROPOST ALUMA BEAM DOUBLE PIPE ANGLE WALER TIE ROD WITH WING NUT 17mm U-HEAD JACK

10. Scaffolds Refers to the temporary elevated structure that is used as a platform for supporting workers and equipment.

11. Braces Refers to a device that holds or fastens two or more parts together or in place.

12. Form Oil Refers to the oil applied to the interior surface of formworks to promote easy release from the concrete when forms are removed.

13. Panels Refers to a section of form sheathing, constructed from boards, plywood, metal sheets, etc., that can be erected and stripped as a unit.

14. Joist Refers to a steel or wood beam providing direct support for a floor.

15. Sheating Protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior.

16. Studs A vertical member of appropriate size (2" x 4" to 4" x 10") (or 50 mm x 100 mm to 100 mm x 250 mm) and spacing (16" to 30") (or 400 mm to 750 mm) to support sheathing or concrete forms .

17. Squareness The quality or characteristic of being square or rectangular in shape; also refers to corners being at exactly or near right angles (90˚).

18. Plumbness The quality of being exactly vertical or perpendicular.

19. WHAT IS SYSTEM FORMWORKS? System formwork in construction refers to a standardized and modular approach to creating temporary molds or frameworks that are used to shape and support concrete until it reaches the required strength.

20. TRADITIONAL VS. INDUSTRIAL FORMWORK SYSTEM ... Traditional formwork is composed of structural timber elements and plywood, industrial formwork consists of modular elements made of different types of materials such as steel, aluminum, wooden, and polymer.

21. TRADITIONAL FORMWORKS SYSTEM FORMWORKS

22. The Benefits of Using a System Formwork in Construction System formwork has a lot of benefits, including cost savings, reusability, efficiency, quality, and safety. System formwork may require a larger initial investment than traditional methods, but over the course of several projects, the reusability, decreased labor costs, and optimized material utilization can result in long-term cost benefits..

23. Disadvantages This formwork is heavy and requires the assistance of machinery and lifting equipment. Corrosion: The maintenance of steel from corrosion due to excess water contact is necessary for durability. Limited moulding : The steel formwork has restricted shapes and sizes.

24. Types of formwork Formwork classifies into these types as per the material used as per structure member Engineered formwork systems as per usage Type of form-work as per material used Timber formwork Steel formwork Plastic formwork Aluminum

25. 2. Type of Form-work as per Structure Member Column form-work Wall form-work Beam form-work Slab form-work Tunnel form-work Foundation form-work 3. Engineered Formwork System Climbing form-work Flexible form-work 4. Types of Formwork as per usag e Reusable form-work Permanent or stay in placed form-work

26. Climbing Formworks

27. Climbing Formworks

28. Flexible formworks

29. What to be consider in installing System Formworks? Consider the weight of the wet concrete, as well as any additional loads that the beams may bear. The formwork should be designed to handle these loads without any deformation or failure. Proper shoring and bracing are essential for the stability of the formwork system during the concrete pouring process. Formwork should be: rigid, watertight, braced and tied together to maintain position and shape during construction , and. able to be removed easily and safely without damaging the formed concrete, or have components that remain as part of the finished structure so the rest can be removed without damaging the structure.

30. Components of Column Formworks

31. Tools on Installing System Formworks

32. How is the load capacity for formwork determined? In the construction industry, determining the load capacity of formwork is essential for ensuring the safety and structural integrity of both the formwork system and the concrete structure it supports. Formwork must withstand various loads during construction, including the weight of wet concrete, construction workers, equipment, and environmental factors like wind. Here’s how the load capacity for formwork is determined, incorporating engineering principles and safety standards.

33. Understanding Formwork Load Types The load capacity of formwork is influenced by several types of loads: Dead Load : This includes the weight of the formwork itself and the wet concrete. It's a static load that remains constant over time. Live Load : Live loads vary during the construction process and include the weight of workers, equipment, and materials temporarily placed on the formwork. Environmental Load : Wind, vibration, and other environmental factors can exert additional forces on the formwork structure.

34. Steps in Determining Formwork Load Capacity Assessment of Concrete Weight : The first step involves calculating the weight of the concrete to be supported. This is determined by the volume of concrete and its density. Concrete's weight exerts a significant downward force, which the formwork must be able to support. Inclusion of Live Loads : Estimating the maximum number of workers and equipment that will be on the formwork at any one time is crucial. Safety standards often dictate a minimum live load capacity that formwork must accommodate. Consideration of Environmental Loads : Engineers must account for potential environmental loads, especially in areas prone to high winds or seismic activity, which can significantly impact the formwork's load requirements. Calculation of Total Load : The total load the formwork must support is the sum of the dead load, live load, and any environmental loads. This total load helps in determining the required strength and stability of the formwork system.

35. 5. Safety Factors : Safety factors are incorporated into the load capacity calculations to account for uncertainties and ensure the formwork system's safety under unexpected conditions. These factors are dictated by industry standards and regulations. 6. Material and Design Considerations : The choice of formwork material (e.g., timber, steel, aluminium ) and the design of the formwork system play a significant role in its load-bearing capacity. Engineers select materials and designs that can safely support the calculated total load. 7. Compliance with Standards : The design and calculation process must adhere to national and international construction standards, which provide guidelines on minimum load capacities, safety factors, and testing procedures.

36. Laying out the foundation

37. LOCATION OF BATTER BOARDS Right-angle batter boards are erected 3 or 4 feet outside of each corner stake. Straight batter boards are erected 3 or 4 feet outside the line stakes.

38. Smart Tip: Measure the sides of the perimeter to make sure they are right. In addition you have to measure both diagonals to check if they are equal. If they are not even, you have to install again the batter boards and the string lines.

39. SQUARING LINES 2 METHODS 6-8-10 METHOD DIAGONAL METHOD

40. Components and accessories of formwork systems include Ties: Used to connect opposite sides of the formwork. Anchors: Fix the form to the pre-placed concrete. Hangers: Used to hang formwork load from structural steel, precast concrete, or other components. Props: Provide support. Spacers: Maintain the desired distance between formwork elements.

41. Aluminum Formworks Components Danilo M. Bersaba

42. Connecting Bar

43. Flat Panel

44. Outer Corner

45. Corner Panel

46. Center Beam

47. Beam support

48. Beam bottom corner plate

49. Beam Floor Floor board Beam plate Angle plate Outside corner Early demolition End beam Center beam Beam layer corner plate Beam support Beam bottom corner plate Outer corner of bottom plate Inner corner of bottom plate

50.   TIE WIRES/RODS

51. Anchors The form anchor is a device used to fix the form to the pre-placed concrete with sufficient strength. The equipment is usually embedded in the concrete during placement. The actual bearing capacity of the anchor depends on, The shape and material of the anchor, The strength and type of the concrete embedded in the anchor, The contact area between the concrete and the anchor, The embedded depth and position in the member

52. Hangers Form-work hanger is a device used to hang formwork load from structural steel, precast concrete, or other components.

53. Props Vertical supports under the formwork are called props. it carries a load of shuttering and other loads including, structure load, material load, workman crafts load, etc. In the traditional formwork system, it can be made of timber, but for heavy construction, it should be made of steel or aluminum.

54. Spacer from side The side spacer is a device that maintains the required distance between the vertical shuttering and the steel bars.

55.   FORM REMOVAL

56. In normal circumstance and where various types of cement are used, forms, may generally be removed after the expiry of the following periods

57. Task #1 Identify Form works components? YES NO Good for 1 students

58. Task #2 Assemble Column? YES NO Good for 5 students

59. Task #3 Assemble Beam? YES NO Good for 10 students

60. Task #4 Assemble Slabs? YES NO Good for 10 students

61. Task #5 Assemble Column, with beam and Slabs? YES NO Good for 10 students

62. Task #6 Dis-Assemble Column with beam and slabs? YES NO Good for 10 students

63. God Bless and Stay Safe!