Products
Product Range
Precast Prestressed Beams manufactured by us
JKR PRT-beams
(click for beam properties)
M-beams
(click for beam properties)
TM Beams
U-beams
(click for beam properties)
I-beams
(click for beam properties)
Hollow slab beams / PRHS
(click for beam properties)
Main Features
of Beams manufactured by us
| Prestressing strands | 12.7mm or 15.2mm dia. 7-wire super low relaxation strands, conforming to ASTM 416 or BS5896. |
| Concrete strengths | 28-day cube strength ranging from 45 to 60N/mm2 depending on customers’ specification. |
| Customization | Customized beam designs can also be done upon customers’ request. |
| Beam lengths | Various lengths can be made depending on customers’ spec., up to a max. of 30m, due to transport limitation. |
Product Advantages
of Pre-tentsioned Prestressed Beams
| High quality | Factory production ensures good and consistent quality production of concrete beams, with minimal supervision. |
| Shorter project leadtime | Casting of beams and construction work on site are able to progress simultaneously, reducing overall project leadtime. |
| Ease of construction | Precasting of beams are done at factory, hence no scaffolding/props/falsework are required over rivers or roads. |
| Cost saving | Expensive falseworks otherwise required in certain situations are done away; shorter construction duration also means lower overall costs. |
Common Misunderstandings
of Prestressed Beams
Photo Gallery
of our product, process & work
Quality
systems and policies
We as a company manufacturing precast prestressed concrete beams are committed to satisfy our customers with excellent quality products and timely delivery through uncompromising commitment towards total customer satisfaction and continual improvement.
Prestasi Concrete Sdn. Bhd. first won the coveted MS ISO 9001 certification on 22 December 2000. We are now certified under UKAS.
To ensure complete customer satisfaction, we place great emphasis on the quality of our product before delivery.
To deliver top quality beams, stringent in-process control are put in place :
-
PC strand stressing record
To control strand extension <5% -
Concrete cube & slump tests
To ensure concrete strength & flow characteritics -
Casting checklist
To ensure reinforcement bars, diaphragm holes, lifting hooks etc. conform to drawings -
Beam inspection record
To ensure final product is meeting dimensions & surface finishing requirement before delivery