We are proud to showcase our contribution to Chalet 1 – White Horse Village, a unique and technically demanding project located in a mountainous region. This development presented several engineering and detailing challenges, and our team was honoured to be part of the solution — delivering precision, coordination, and innovation from start to finish. Technical…
PREFABRICATED CONCRETE ELEMENTS
(Temporary Fixing Inserts for As-Cast Element Tolerances) INTRODUCTION: To ensure proper alignment and structural efficiency in the handling and installation of prefabricated concrete elements by placing temporary fixing inserts within the allowable as-cast dimensional tolerances as specified in Australian Standard AS 3850.2:2015. Inserts for the temporary attaching of prefabricated concrete elements shall be placed within…
STAGGERED FERRULES PLACEMENT ON PRECAST PANEL
The design drawings for one of our Precast Project we were working on suggests ferrules must be placed staggered as noted below. The Problem: However, these casting components, such as ferrules cannot be placed on both sides of a precast panel with a thickness of less than 250mm. This mainly causes ferrules to clash along…
Load bearing precast element is anything that receives load from a precast or structural members and transfers the load to another structural member or precast. These precast elements can also be used along as façade, boundary walls, or for architectural design purposes.
What is non-load bearing precast element?
Non-load bearing precast element is anything that may receive load but must not transfer loads to any other structural members or precast. Normally these kind of walls are used only for partition, façade, boundary walls, or for architectural design purposes
What is Partially-load bearing precast element?
Partially-load bearing precast element is anything that receives load from a precast or structural members and transfers the load to another structural member or precast. But only a portion of precast receives and transfers load and the remaining portions will act as non-load bearing ones. (Single precast element which acts both as load bearing & non-load bearing)
Data’s, panel types & other details for
Load-bearing element
Non-bearing element
Partially-load bearing element
Grade, can be higher upto 80MPa
Grade enough be 40MPa (UNO)
Grade, can be higher up to 80MPa
Gap between two elements are filled with grouting material of required grade
Gap between two elements are filled with Soft joint caulking only. no grouting.
Gap between two elements are filled with grouting material of required grade, extent of filling is for load bearing portion. Remaining portion will be soft joint caulking only
Dowels to be black finish (UNO)
Dowels to be Galvanized finish
Dowels to be Black or Galvanized finish, as per load bearing extend (UNO)
Dowel length, size & spacing as per Engineer’s requirement
Dowel length, size & spacing as minimum as possible after discussing with Manufacturer or Engineer
Dowel length, size & spacing as per Engineer’s requirement for LBP portion Dowel length, size & spacing as minimum as possible for NLBP portion
Dowel & Grouting materials will transfer load to adjoining element
Dowel will be used to position the precast element & no grouting material present to transfer load. So loads will not be transferred.
Combination of LB & NLB criteria
No ring seal around the dowel
High density foam ring seal around the dowel
No ring seal around the black dowel High density foam ring seal around the Galvanized dowel
Grouting material will cover the dowel, so oxidation in dowel is negligible
No Grouting material, oxidation in dowel is possible. So high density foam ring seal is used and dowels are galvanized to prevent oxidation in dowel
Combination of LB & NLB criteria
No additional tubes or caps needed
Plastic tube will be placed over upper half of dowel. Compressible cap will be placed over the top of the dowel bar.
Combination of LB & NLB criteria
Connection with slab must
Connection with slab may not needed with respect to engineer requirement
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