PG 01
Concrete Formwork & Shoring Systems
Concrete Construction
Table of Contents
Vertical formwork systems (wall & column systems)
Horizontal shoring systems (flying systems &
stationary systems)
Factors Affecting Formwork & Shoring Designs
PG 02
Concrete Construction
PG 03
Objectives & Goals
Develop an understanding of the current
formwork & shoring systems available today,
Review typical applications and rental costs for
each system,
Learn the factors that govern formwork &
shoring designs decisions that contractors
face,
Be able to use this knowledge in evaluating
formwork systems to fit the project.
PG 04
Factors Affecting Formwork System Selection
Safety Accident Prevention!!
Structure Type & Design
Floor to Floor Heights & changes
Column & wall layout
P/T slab or Conventionally reinforced
Construction Joint locations
Drop Caps, Slab breaks
Existing constraints (Adjacent Buildings)
Number of uses of form system
Crane size & location
Schedule (Very Important)
Manpower - Skill Level
Productivity & Cycling of equipment
PG 05
Factors Affecting Formwork System Selection
Risk
Formwork Supplier
History with similar projects
Engineering expertise
Support services
Knowledge of support personnel
Location
Buy vs. Rent
Duration of project
Future usage
Return on investment
Maintenance expense on owned equipment
Storage expense
PG 06
Vertical Formwork Systems
PG 07
Vertical Formwork Systems
PG 08
Vertical Formwork Systems
Wood Forming System
PG 09
Vertical Formwork Systems
Handset Forming System
Application: Walls & Columns
50% more productive than
snap tie wall systems
Aluminum Frame with a 5/8
plywood face
Pour Pressures =1,200 psf
Ties on 2 x 2 spacings
Cost $0.85 to $1.00/sf per month
PG 010
Vertical Formwork Systems
Handset Forming System
Panel widths vary from 1 to 30
Panel heights = 3, 4, 5, 6 & 8
PG 011
Vertical Formwork Systems
Hand-Set Forming System
Quick Pre-assembly
Moveable by Hand
Hinges & Carts Available
Braced with 2 x 4s
PG 012
Vertical Formwork Systems
Crane Set Forming System
Power Plants
Bridges
Tunnels
Commercial
Building
PG 013
Vertical Formwork Systems
Crane-Set Forming
System
Application:
Walls & Columns
Large Gang Wall Application
Steel Frame with a 3/4
plywood face Wt. = 14 psf
Pour Pressures =1,500 psf
Ties on 4 x 4 spacing
Cost $0.90 to $1.10/sf per month
European Systems : $1.45 to
1.65/sf per mo.
PG 014
Vertical Formwork System
Aluma Gang Wall Forms
Form Design: Aluma Beam with a
55 Kip Aluminum Strongback
Plywood Face: Typically 3/4
Pour Pressures: Up to 1520 psf
Taper Ties on 6 x 6 Spacing
Weight: 10 Lbs per SF
Cost $0.65 to $0.75/sf per month
PG 015
Vertical Formwork System
Aluma Gang Wall Forms
Radius wall application
PG 016
Vertical Formwork System
Roll Back Jump Forms
Problem:
Multi-lift Wall Construction
Elevator Cores
Safe Access for Rebar,
Formwork & Concrete
Placing Operations
Solution:
Rollback Jump Form
PG 017
Vertical Formwork System
Roll Back Jump Forms
Standard Aluma Gang
supported on Roll back Bracket
Provides an 8 wide work deck
PG 018
Vertical Formwork System
Roll Back Jump Forms
Form Rolls back 30 to allow
access to rebar & form Face.
30
PG 019
Vertical Formwork System
Roll Back Jump Forms
Standard Williams Type Insert
1 1/4 Landing Bolt support
the Roll Back Bracket
PG 020
Vertical Formwork System
Elevator Core Form
Exterior Roll back panels
& Interior Cores are Crane
Raised
PG 021
Horizontal Shoring Systems
PG 022
Horizontal Shoring Systems
Hand-Set Shoring Systems: Applications
Horizontal Formwork
for Cast in Place Concrete
Re-shoring
PG 023
Horizontal Shoring Systems
Hand-Set Shoring Systems:
Applications
Parking Garages
Truss Table Shoring
PG 024
Horizontal Shoring Systems
Aluma Frame Shoring System
Hand-Set Shoring is rated
by the capacity per leg
15 kips per leg
Light weight 6 x 6 frame
weighs 44 lbs.
Cost: Varies based on
Slab thickness (controls beam spacings)
Shore Heights (Frame stacks)
H = 10: $ 0.35 to $0.45/sf
H = 10 to 15: Say $0.55/sf
PG 025
Horizontal Shoring Systems
Aluma Frame Shoring System
Widest, Strongest & Lightest
shoring frame on the market
15 kips per leg
Light weight 6 x 6 frame weighs
44 lbs.
Frame Heights of 8 tall available
PG 026
Horizontal Shoring Systems
Parking Garage
Uses Aluma Beam Tables for
Deck Support
Uses Aluma Frames to
support the beams
PG 027
Horizontal Shoring Systems
Parking Garage
Step #1: Beam supports &
beam sides are pre-assembled
Step #2: Deck Panels are Pre-Assembled
PG 028
Horizontal Shoring Systems
Parking Garage
Step #3: Set Shoring Frames in place then
add pre-assembled Beam Forms
Step #4: Set Pre-Assembled Beam panels
in place
PG 029
Horizontal Shoring Systems
Parking Garage
Inserts are added to Deck Panels to allow the
stripping of the beam sides and shoring
PG 030
Horizontal Shoring Systems
Parking Garage
Step #5: Cross braces are removed and the
Aluma Frame legs are folding up to facilitate
strip and moving
16
Allows access to move system
through set-up equipment
Step #6: A forklift lowers the forms and
moves to the next pour
PG 031
Horizontal Shoring Systems
Parking Garage
Casters allow forms to easily
move through project
PG 032
Horizontal Shoring Systems
Parking Garage
Questions?
PG 033
Horizontal Shoring Systems
Aluma Deck
Application:
Faster cycle times on flat slab
structures.
2 x 6 Aluminum Deck panels, shore
points are on a 6 x 8 grid
Cost: Varies based on
Building Geometry (affects post spacing)
Shore Heights
Generally: $ 1.10 to $1.25/sf per month
PG 034
Horizontal Shoring Systems
Aluma Deck
Drop Heads for Stripping
Deck removal one day after
the pour and prior to posttensioning
Reduced cycle time
Beam Hangers for column
capitals
PG 035
Horizontal Shoring Systems
Aluma Truss
Application:
Used to speed construction on multilevel building.
1st Floor shoring: Trusses are supported
on hand-set Shore X Frames
Cost: Varies based on
Slab thickness (controls beam spacings)
Shore Heights (Truss configurations)
Generally: $ 0.55 to $0.65/sf per month
PG 036
Horizontal Shoring Systems
Aluma Truss
5 & 6 deep truss
7 & 10 crossbraces
Extension legs Jacks
12 18
18 24
24 30
Lowering devices
Stripping & flying
Fillers
PG 037
Horizontal Shoring Systems
Column Hung
PG 038
Horizontal Shoring Systems
Column Hung
Cost: Varies based on
Slab thickness (controls truss joist spacing)
Column Spacing
Generally: $ 0.75 to $1.00/sf per month
PG 039
Horizontal Shoring Systems
Column Hung
PG 040
Horizontal Shoring Systems
Column Hung
PG 041
Horizontal Shoring Systems
Column Hung
Column Hung Advantages
No Reshoring
Stock Floors before you
fly tables to speed interior
finishes
Exterior can Follow closely
PG 042
Factors Affecting Formwork System Selection
Safety Accident Prevention!!
Structure Type & Design
Floor to Floor Heights & changes
Column & wall layout
P/T slab or Conventionally reinforced
Construction Joint locations
Drop Caps, Slab breaks
Existing constraints (Adjacent Buildings)
Number of uses of form system
Crane size & location
Schedule (Very Important)
Manpower - Skill Level
Productivity & Cycling of equipment
PG 043
Factors Affecting Formwork System Selection
Risk
Formwork Supplier
History with similar projects
Engineering expertise
Support services
Knowledge of support personnel
Location
Buy vs. Rent
Duration of project
Future usage
Return on investment
Maintenance expense on owned equipment
Storage expense
PG 044
Horizontal Shoring Systems
Questions?
PG 045
Thank you for attending!!
For more information on Aluma Systems
please log onto our website at:
www.aluma.com
