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Trulift presentation
1. Tru-lift: summary
Self lifting, core forming system
Formwork: Tru beams
• Faced with 19mm high quality plywood
• Backed by twin steel channel walers
Proven, robust and efficient
Designed for:
• Speed: forming up to 5m in a single lift
• Minimising construction cycle times
• Maximising safety
2. System characteristics
• 4.1 m Stroke on long cylinder.
• 0.9m Stroke on small extension cylinder.
• Power supply 230v single phase 60 Hz.
• Maximum allowable working load on form support brackets = 155kN.
• Maximum allowable working load on cylinder brackets = 289kN.
• Taper Ties = 150kN (with FOS 2:1).
• Platform loading = 1.2kN/m2.
3. Features & Benefits (1)
• Complete system raised during the
lifting cycle
MAXIMISING SYSTEM EFFECTIVENESS
• All sizes of core walls can be
accommodated
MAXIMISING SYSTEM VERSATILITY
• Controlled lifting of equipment using
hydraulics
ELIMINATING CRANAGE & MAXIMISING
SAFETY
• Fully boarded working platform
ENSURES SAFE WORKING AREA
• Trailing platforms allow access
to previous pours
MAXIMISING EFFICIENCY, ELIMINATING THE
NEED FOR INDEPENDENT ACCESS
SYSTEMS
4. Features & Benefits (2)
• Minimal number of components ensures
quick and easy erection
MAXIMISING CONSTRUCTION CYCLE TIMES
• Unique striking corners
QUICK AND EASY RELEASE OF FORMWORK
• Concrete placement from top platform
MAXIMISING SAFE WORKING PRACTICES
• Reusable tapered tie system
MINIMISING HARDWARE COSTS
• External panels supported from
overhead beams
SAFE ACCESS FOR PANEL CLEANING AND
REBAR FIXING
5. Raised position
• Forms fully extended to
subsequent pour position.
• Wall support brackets bolted to
inserts cast in previous pour.
• Weight of system transferred to
wall support brackets.
6. Setting position
• Bolts securing cylinder brackets to wall
removed.
• Cylinder and bracket retracted and bolted to
inserts cast in previous pour.
• Internal forms cleaned and reset into
position.
• External forms cleaned whilst retracted.
7. Pouring position
• External forms rolled back into
pouring position.
• Ties and external yokes installed.
• Concrete placed through hinged
hatches on top platform.
12. Safety: inbuilt stair access
• Modular stair access tower system.
• Supported off internal platforms.
• Length of tower determined by
floor level egress/ingress required.
• Optional.
13. Safety: Working Platforms
Safe, level working environment created
using timber beams and plywood.
• Minimises trip hazards.
• Fully covered work areas.
• Ply hatches for concrete placement.
14. Outer Corner Assembly
• External corners easily tied between
yoke blocks, using fast thread ties.
• Yoke blocks bolted to horizontal
channel walers.
15. Inner Corner Assembly
Corner pin used to strike internal forms:
• Drives through offset holes and reversed
for ‘reset’.
16. Trolley
• Designed to roll along lower flange of
overhead beam.
•
Supports the external form using threaded rod
for vertical adjustment.
•
Attached to brackets bolted to Tru Beams.
17. Internal form hanging bracket
• Adjustable form support bracket head
and clamp plates bolted into wall
support frame.
• Facilitates the connection to the
overhead primary beam.
18. Internal Corners
• Rigid, flexible and strippable corners
(depending on core profile).
• Where possible, flexible corners used in
conjunction with corner pins.
• Eliminates need to dismantle forms.
19. Wall Bracket Assembly
• Brackets bolted into inserts cast in
previous pour.
• Connected to wall support frame,
supporting formwork once in lifted
position.
• Finite adjustment for levelling using
Threaded Bar (if required).
20. Jack Bracket
• Supports and houses hydraulic cylinder.
• Bolted into inserts cast in previous pour.
• Supports the formwork system during
lifting sequence.
• Remain fixed to hydraulic cylinder
during retraction and relocation.
21. Walkway Bracket
• Bolted to overhead beam system.
• Hanging below the bottom of the
formwork system.
• Facilitates retracting of forms, steel
reinforcement fixing and cleaning of
forms.
• Designed to be used in conjunction with
timber beams and plywood.
• Creating a level and hazard free working
platform.
34. Shutter assembly
Pre-assembly of many components greatly reduces the
set up time onsite and can be started well in advance of
the site being ready to install the formwork.
35. Shutter assembly
Pre-assembly of the formwork is carried out using fabrication jigs and
can also be done well in advance of the actual site set up (on or off
site).
36. Shutter assembly
In some cases, by prior arrangement, the fabrication of the formwork panels can be
assembled off site, then transported to site fully assembled and ready to install. This
can save space on congested work sites.
38. Set Up
The formwork panels are then prepared and oiled prior to lifting into
position.
39. Set Up
The Internal Rigid Boxes are installed first and fixes the internal
shape/dimensions of the core – this is a unique feature of the
Tru-lift Self Climbing Formwork System.
40. Set Up
The Steel Walers are easily spliced to any length enabling very large panels
such as this 4.2m high x 20m long panel to be fabricated and lifted into
position in one piece.
45. Set Up
Bolts and Grid Plates are used for the connections between the grid beams, the
Formwork and Hydraulics.
46. Set Up
Top Decking and Edge Protection are added upon completion of the Grid
Beam placement.
47. Operation
The Tru-lift Self Climbing System is operated from a central control
room. Each of the Hydraulic Rams can be controlled individually or
collectively with the flick of one switch.
48. Operation
The Tru-lift Self Climbing System is generally mounted to the walls of
the first pour. However if the customer would prefer, it can be designed
to form the first pour and push off the base slab as was done on this
particular project.
49. Operation
The Tru-lift Self Climbing System is truly unique in that the whole system is
jacked in one Jack stroke, eliminating the need for resetting the hydraulics
throughout the lift saving a great deal of time. On this particular project the 3.8m
typical floor height was easily accommodated by jack stoke and capacity.
50. Operation
The Tru-lift Self Climbing System is to be used to form the first
pour. The Hydraulic Rams should be prevented from movement by
setting brackets around the bottom of it into the base slab.
54. Operation
Rebar cages can be prefabricated and craned into position to speed up the
cycle times if desired.
55. Operation
When the setup is complete the Tru-lift self climbing system is
operated completely independently, without the need for a crane
to handle the Formwork and easily out performs traditional
Jump form systems.
56. Operation
The contractor using the Tru-lift System on this particular project was able to
achieve a pour cycle of just 48 hours with 1,100m2 of formwork being jacked in
20-30 minutes.
57. Dismantle
Upon completion of the structure the system is dismantled in the reverse order to
that of the erection.
The Hanging access
platforms are
removed first.
62. Methods
Detailed method statements are
provided for assembly, erection,
running and dismantle of the
system.
Site supervision is provided at all
stages of the contract.
