National Institute of Technology Rourkela

राष्ट्रीय प्रौद्योगिकी संस्थान राउरकेला

ଜାତୀୟ ପ୍ରଯୁକ୍ତି ପ୍ରତିଷ୍ଠାନ ରାଉରକେଲା

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Syllabus

Course Details

Subject {L-T-P / C} : CE6615 : Shoring, Scaffolding, and Formwork { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Karthikeyan M

Syllabus

Module 1 :

Planning, Site Equipment & Plant for Form Work (8 hours):
Introduction, Forms for foundations, columns, beams, walls, etc., General objectives of formwork building, Planning for safety, Development of a Basic System, Key Areas of cost reduction, Overall Planning, Detailed planning, Standard units, Corner units, Pass units, Calculation of labor constants, Formwork hours, Labour Requirement, Overall program, Detailed program, Costing, Planning crane arrangements, Site layout plan, Transporting plant, Formwork beams, Scaffold frames, Framed panel formwork, Formwork accessories.

Module 2 :

Materials, accessories, proprietary products, and Pressures (6 hours):
Lumber, Types, Finish, Sheathing boards working stresses, Repetitive member stress, Plywood, Types and grades, Jointing Boarding, Textured surfaces and strength, Reconstituted wood, Steel, Aluminum, Hardware and fasteners, Nails in Plywood, Allowable withdrawal load and lateral load, Pressures on formwork, Examples, Vertical loads for design of slab forms, Uplift on shores, Lateral loads on slabs and walls.

Module 3 :

Design of Forms And Shores (8 hours):
Basic simplification, Beam formulae, Allowable stresses, Deflection, Bending, Lateral stability, Shear, Bearing, Design of Wall forms, Slab forms, Beam forms, Column forms, Examples in each. Simple wood stresses, Slenderness ratio, Allowable load vs. length behavior of wood shores, Form lining Design Tables for Wall formwork, Slab Formwork, Column Formwork, Slab props, Stacking Towers, Free standing and restrained, Rosett Shoring, Shoring Tower, Heavy Duty props.

Module 4 :

Building and Erecting the Form Work (8 hours):
Carpentry Shop and job mill, Forms for Footings, Wall footings, Column footings, Sloped footing forms, Strap footing, Stepped footing, Slab form systems, Sky deck and Multiflex, Customized slab table, Standard Table module forms, Swivel head and uniportal head, Assembly sequence, Cycling with lifting fork, Moving with table trolley and table prop, Various causes of failures, A.C.I., Design deficiencies, Permitted and gradual irregularities.

Module 5 :

Forms For Domes and Tunnels, Slip Forms And Scaffolds (8 hours):
Hemispherical, Parabolic, Translational shells, Typical barrel vaults Folded plate roof details, Forms for Thin Shell roof slabs design considerations, Building the forms, Placing concrete, Form removed, Strength requirements, Tunnel forming components, Curb forms invert forms, Arch forms, Concrete placement methods, Cut and cover construction, Bulkhead method, Pressures on tunnels, Continuous Advancing Slope method, Form construction, Shafts. Slip Forms, Principles, Types, advantages, Functions of various components, Planning, Desirable characteristics of concrete, Common problems faced, Safety in slip forms, special structures built with slip form Techniques, Types of scaffolds, Putlog and independent scaffold, Single pole scaffolds, Truss suspended, Gantry and system scaffolds.

Course Objective

1 .

To disseminate knowledge about detailed planning.

2 .

To develop knowledge of the design and erection of formwork for various elements such as slabs, beams, and columns.

3 .

To develop knowledge of design and erection of formwork for various elements such as walls, shells, and tunnels.

4 .

To develop knowledge of design and erection of formwork for various elements such as domes, tunnels, slip forms, and scaffolds.

Course Outcome

1 .

The students will be able to explain the planning of formwork, plant, and site equipment in detail.

2 .

The students will be able to select material accessories for formwork connection and analyze pressures on formwork.

3 .

The students will be able to design the forms and shores.

4 .

The students can apply the knowledge of erecting forms for beams, slabs, columns, and walls, as well as the causes of failures.

5 .

The students can apply the knowledge of forms and their erection for domes, tunnels, slip forms, and scaffolds.

Essential Reading

1 .

C.K. Austin, Formwork for Concrete, Cleaver -Hume Press Ltd.

2 .

M.K. Hurd, Formwork for Concrete - Special Publication No.4, American Concrete Institute

Supplementary Reading

1 .

Michael P. Hurst, Formwork, Construction Press

2 .

Robert L. Peurifoy and Garold D. Oberlender, Formwork For Concrete Structures, McGraw-Hill

Journal and Conferences

1 .

NA