Our Business
We are proud to have delivered over 10,000 prestressing projects in Australia and worldwide this includes system applications and structural solutions, we still continue to deliver a variety of structures in the private and public sector, including :-
We are proud to have delivered over 10,000 prestressing projects in Australia and worldwide this includes system applications and structural solutions, we still continue to deliver a variety of structures in the private and public sector, including :-
- Civil and Structural Design Services
- Project Management Services
- Project Development Services
- Prestressed Concrete Contracting
- Building Construction
- Civil Engineering Works
- Concrete Repair and Remediation
- Industrial Coatings
- Ground Anchoring
- Heavy Lifting
- Supply of Prestressing Equipment and Material
- Reinforcing Bar Coupler Supply and Installation
Post Tensioned System
Post Tension System has been a core of APS Group since its beginning.
Following are the advantages of post-tensioned method over conventional concrete construction.
- It is very important to maintain quality and deliver cost effective projects. With the help of post-tensioning system, we can reduce other construction material costs such as concrete, reinforcement bars and increase clear heights between floors which allows to fit additional floors that can add more value to the project.
- APS Group has some brilliant minds when it comes to engineering design. Our designers have the ability to customize slabs to offer best combination of concrete, reinforcement bar, post-tension and to avoid unnecessary tedious formwork development to offer the most economical and smart project to our valued clients.
- Post-tension system allows to increase spans and reduce the number of columns with maintaining deflection criteria of slabs as per Standard requirements.
- Post-tension slabs can be designed as waterproof by providing sufficient residual stress to obviate usage of waterproofing membrane.
- Control overall deflection of slab to avoid long term maintenance of building.
Multistrand Post Tensioning Jacks
| Jack Type | 150T | 200T | 300T | 500T | 900T |
|---|---|---|---|---|---|
| Strand no. 12.5 & 12.7 | 7 | 12 | 20 | 27, 32, 37 | 48 |
| Strand no. 12.5 & 12.7 | 4 | 7 | 12 | 19, 22 | 37 |
| A (mm) (min) | 140 | 182 | 223 | 258 | 383 |
| B (mm) (min) | 785 | 1180 | 1260 | 1420 | 1430 |
| Jack Weight (mm) (min) | 70 | 200 | 450 | 650 | 1500 |
Carbon Fibre Strengthening
- APS Group has always been involved in providing innovative solutions to our clients and CFRP is one such system we use.
- CFRP helps increase strength of an already existing structure by avoiding tedious and expensive process of either using concrete or structural steel to strengthen.
- Purpose of strengthening could be an increase in load than existing conditions or to increase an old building’s life.
CFRP advantage over other strengthening methods are :-
- High Tensile Strength
- Easy Handling
- Light Weight
- Quick Installation
- No head height compromise and less obstructive compared to other strengthening methods.
Carbon Fibre Strengthening
- APS Group has always been involved in providing innovative solutions to our clients and CRPF is one such system we use.
- CRPF helps increase strength of an already existing structure by avoiding tedious and expensive process of either using concrete or structural steel to strengthen.
- Purpose of strengthening could be an increase in load than existing conditions or to increase an old building’s life.
CRPF advantage over other strengthening methods are :-
- High Tensile Strength
- Easy Handling
- Light Weight
- Quick Installation
- No head height compromise and less obstructive compared to other strengthening methods.
Concrete Repair Works
Concrete crack is a very common issue and there are multiple reasons for cracking. At APS we provide full solutions to repair all types of cracks.
Concrete Cracking can occur due to :
- Shrinkage and Creep
- Too much restraint of concrete slabs
- Structural cracks (punching, excessive loading, etc)
Civil Works
Over the past 40 years APS has delivered some outstanding services such as
- Post-tensioned Reservoirs
- Post-tensioned Suspended Slab on Ground
- Noise Barrier Walls
- Ground Anchor System
- Innovative Lifting Equipment
- Hydraulic Jacking System
- Timber Bridge Stressing
- Concrete Bridge
- Bridge Remedial Works
- Bridge Bearing
- Culvert Passages
- Expansion Joints
Techinical Info
Reinforcing Bar Coupling System
| Bar size (mm) | Pre - pressed length (mm) | OD (mm) | ID (mm) | Approx length after pressing (mm) | Approx weight sleeve (kg) | Length RH stud (mm) | Weight RH stud (kg) | Length RH/LH stud (mm) | Weight RH/LH stud (kg) | End of sleeve to end of bar (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| A | B | D | E | C | F | F | G | |||
| 16 | 91 | 29.9 | 19 | 94 | 0.3 | 45 | 0.11 | 58 | 0.15 | 27 |
| 20 | 113 | 36 | 23.5 | 16 | 0.52 | 53 | 0.19 | 70 | 0.25 | 31 |
| 25 | 140 | 45 | 29.5 | 146 | 1.06 | 69 | 0.42 | 91 | 0.56 | 40 |
| 28 | 155 | 51.4 | 32.5 | 162 | 1.52 | 73 | 0.52 | 95 | 0.68 | 42 |
| 32 | 180 | 58.3 | 37 | 188 | 2.25 | 83 | 0.78 | 112 | 1.05 | 47 |
| 40 | 222 | 73.5 | 46.5 | 232 | 4.44 | 106.5 | 1.55 | 142 | 2.08 | 58 |
Ground Anchor System
Slab System Unbonded
| Strand dia (mm) | UTS (kN) | Steel area (mm2) | Weight/ metre (kg/m) | Dimension (mm) | ||
|---|---|---|---|---|---|---|
| A | B | C | ||||
| 12.5 | 165 | 97 | 0.76 | 130 | 62 | 50 |
| 12.7 | 184 | 100.1 | 0.79 | 130 | 62 | 50 |
| 15.2 | 250 | 143.3 | 1.13 | 153 | 81 | 55 |
| 15.7 | 265 | 153 | 1.2 | 153 | 81 | 55 |
Coupling Slab System
Strand Joiner
| Strand dia (mm) | Dimension (mm) | ||||
|---|---|---|---|---|---|
| A | B | C | D | E | |
| 12.5 | 45 | 35 | 116 | 48 | 34 |
| 12.7 | 45 | 35 | 116 | 48 | 34 |
| 15.2 | 50 | 42 | 140 | 50 | 45 |
| 15.7 | 50 | 42 | 140 | 50 | 45 |
Casting
| Strand dia (mm) | Dimension (mm) | |||
|---|---|---|---|---|
| A | B | C | D | |
| 12.5 | 200 | 110 | 600 | 90 |
| 12.7 | 200 | 110 | 600 | 90 |
| 15.2 | 210 | 120 | 650 | 100 |
| 15.7 | 210 | 120 | 650 | 100 |
Multi Strand System
| APS anchor size | No of strands | Cable UTS (kN) | Minimum ID duct size (mm) | Preferred ID duct size (mm) |
|---|---|---|---|---|
| 1 | 1 | 184 | 30 | 40 |
| 4 | 2 3 4 |
368 552 736 |
30 30 45 |
40 40 45 |
| 12 | 8 9 10 11 12 |
1172 1656 1840 2024 2208 |
50 55 60 60 65 |
65 70 70 75 75 |
| 20 | 13 14 15 16 17 18 19 20 |
2392 2576 2760 2944 3128 3312 3496 3680 |
65 70 70 75 75 75 80 80 |
75 80 80 80 80 85 85 85 |
| 27 | 21 22 23 24 25 26 27 |
3864 4048 4232 4416 4600 4784 4968 |
85 85 85 85 90 90 95 |
90 90 90 90 95 95 100 |
| 32 | 28 29 30 31 32 |
5152 5336 5520 5704 5888 |
95 100 105 105 110 |
110 110 110 110 110 |
| APS anchor size | No of strands | Cable UTS (kN) | Preferred ID duct size (mm) |
|---|---|---|---|
| 3 | 2 3 |
500 750 |
39 39 |
| 4 | 4 | 1000 | 51 |
| 7 | 5 6 7 |
1250 1500 1750 |
69 69 69 |
| 12 | 8 9 10 11 12 |
2000 2250 2500 2750 3000 |
84 84 84 84 84 |
| 19 | 13 14 15 16 17 18 19 |
3250 3500 3750 4000 4250 4500 4750 |
96 96 96 96 96 96 96 |
| 22 | 20 21 22 |
5000 5250 5500 |
105 105 105 |
| 27 | 23 244 25 26 27 |
5750 6000 6250 6500 6750 |
115 115 115 115 115 |
| 31 | 28 29 30 31 |
7000 7250 7500 7750 |
118 118 118 118 |
| APS anchor size | No of strands | Cable UTS (kN) | Minimum ID duct size (mm) | Preferred ID duct size (mm) |
|---|---|---|---|---|
| 37 | 33 34 35 36 37 |
6072 6256 6440 6624 6808 |
110 110 110 110 115 |
120 120 120 120 125 |
| 42 | 38 39 40 41 42 |
6992 7176 7360 7544 7728 |
115 115 120 120 120 |
125 125 130 130 130 |
| 48 | 43 44 45 46 47 48 |
7912 8096 8280 8464 8648 8832 |
130 130 130 130 130 130 |
135 140 140 140 140 140 |
Tendon properties: 12.7 Super seven low relaxation strand to as1311, youngs modules 196 gpa 1000 hr relax max 2.5%, Steel area 100.1mm nom wt.0.786kg/m
Caste Steel Anchorage
| Strand dia (mm) | Anchor type | A (mm) | Bθ (mm) | C (mm) | D (mm) | E (mm) | F (mm) | SDθ (mm) | SL (mm) |
|---|---|---|---|---|---|---|---|---|---|
| 12.7 | 7 | 155 | 110 | 50 | 90 | 200 | 100 | 200 | 180 |
| 12 | 180 | 142 | 50 | 125 | 220 | 100 | 260 | 180 | |
| 20 | 250 | 185 | 60 | 200 | 290 | 120 | 350 | 250 | |
| 27 | 280 | 220 | 75 | 220 | 330 | 150 | 400 | 280 | |
| 32 | 300 | 235 | 75 | 220 | 370 | 150 | 400 | 300 | |
| 37 | 315 | 295 | 90 | 240 | 370 | 180 | 450 | 300 | |
| 15.2 and 15.7 | 7 | 180 | 142 | 50 | 125 | 220 | 100 | 260 | 180 |
| 12 | 220 | 170 | 60 | 180 | 220 | 100 | 300 | 220 | |
| 15 | 250 | 170 | 60 | 200 | 290 | 120 | 350 | 250 | |
| 19 | 280 | 220 | 75 | 220 | 330 | 150 | 400 | 280 | |
| 22 | 300 | 235 | 75 | 220 | 370 | 150 | 400 | 300 | |
| 27 | 315 | 295 | 90 | 240 | 370 | 180 | 450 | 300 |
Caste Steel Anchorage
| Strand dia (mm) | Anchor type | A (mm) | B (mm) | C (mm) | D (mm) | Eθ (mm) | SDθ (mm) | SL (mm) |
|---|---|---|---|---|---|---|---|---|
| 12.5 and 12.7 | 7 | 170 | 25 | 115 | 50 | 110 | 200 | 180 |
| 12 | 230 | 30 | 160 | 50 | 142 | 260 | 180 | |
| 20 | 290 | 40 | 195 | 60 | 185 | 350 | 250 | |
| 27 | 350 | 55 | 235 | 75 | 220 | 400 | 300 | |
| 32 | 370 | 55 | 260 | 75 | 235 | 400 | 300 | |
| 42 | 420 | 60 | 285 | 80 | 260 | 450 | 300 | |
| 48 | 480 | 60 | 325 | 80 | 280 | 450 | 350 | |
| 15.2 and 15.7 | 7 | 210 | 35 | 300 | 50 | 142 | 260 | 180 |
| 12 | 280 | 40 | 450 | 60 | 170 | 300 | 220 | |
| 19 | 350 | 45 | 550 | 75 | 220 | 400 | 280 | |
| 22 | 400 | 50 | 600 | 75 | 235 | 400 | 300 | |
| 27 | 450 | 60 | 600 | 90 | 295 | 450 | 300 |
Steel Plate Anchorage
Slab System
Cable Properties
| Strand Dia (mm) | No of strands | UTS (kN) | Steel area (mm2) | Weight Metre (kg/m) | Duct Size (mm) | Dimension (mm) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Live End | Dead End | |||||||||||||
| H | W | A | B | C | D | E | F | G | H | |||||
| 12.5 | 1 | 184 | 100.1 | 0.79 | 19 | 42 | 100 | 100 | 100 | - | 75 | 650 | - | - |
| 2 | 368 | 200.2 | 1.58 | 19 | 70 | 300 | 220 | 100 | 155 | 65 | 650 | 60 | 160 | |
| 3 | 552 | 300.3 | 2.37 | 19 | 70 | 300 | 220 | 100 | 210 | 70 | 650 | 60 | 250 | |
| 4 | 736 | 400.4 | 3.16 | 19 | 70 | 300 | 220 | 100 | 210 | 70 | 650 | 60 | 320 | |
| 5 | 920 | 500.5 | 3.95 | 19 | 70 | 300 | 220 | 100 | 210 | 70 | 650 | 60 | 420 | |
| 15.2 | 1 | 250 | 143.3 | 1.13 | 19 | 42 | 100 | 100 | 100 | - | 75 | 700 | - | - |
| 2 | 500 | 286.6 | 2.26 | 19 | 42 | 200 | 100 | 100 | 155 | 65 | 700 | 60 | 160 | |
| 3 | 750 | 429.9 | 3.39 | 19 | 70 | 300 | 220 | 100 | 210 | 70 | 700 | 60 | 250 | |
| 4 | 1000 | 573.2 | 4.52 | 19 | 70 | 300 | 220 | 100 | 210 | 70 | 700 | 60 | 320 | |
| 5 | 1250 | 716.5 | 5.65 | 19 | 90 | 300 | 220 | 100 | 210 | 80 | 700 | 60 | 420 | |
Note: All strands are Low Relaxation Supa-Seven to AS1311 with a Youngs Modulus of 196GPa
Jacking Equipment
Previous
Next