Category: Precast Blogs
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NON-TABLE PRECAST FINISHES
The finishes are performed without help of table faces. These type of finishes are listed as below… a) Float finish: Float is a tool used to finish a concrete surface by floating on it. After the concrete is poured on the table is levelled by using screed, then float tool is used. Float may be the small…
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LIST OF PRECAST FINISHES
Precast panels are ready made concrete element, which is the part of the building as structural as well as façade panels, which required the surface finish as per the customer or Architect requirements. Various type of finishes are used on the both side of panel and edges according to where the panels are positioned on…
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UPSTAND Vs CORBEL
Upstand: Upstand is typically used for return legs in a precast element (Panel, Column, Spandrel). Generally, upstand preferred near face in shop drawing. If any special requirement (architectural design) only goes for Far face. Because far face is a table face, so we can’t provide upstand on Far face due to manufacturing difficulties. Corbel: Corbel…
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THE USAGE OF NEAR FACE(NF) AND FAR FACE(FF) INDICATION ON SHOP DRAWINGS
Near face (NF): Near face is a front view of the precast wall. Far Face (FF): Far face is an outside view or trowel face or table face of the precast wall. Near face and Far face indication playing a major role on shop drawings to identify the component placing for factory people while manufacturing…
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RIGGING DIAGRAM AND IT’S USES
The rigging detailed diagrams are shown on shop drawings. (Ref Fig.01,02 & 03) The rigging diagrams are designed based on the precast panel profiles. It is indicating the lifting point position of precast panels for both factory and site. Erection engineer will be approved the rigging diagram details. The site people are preplanning to lifting…
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Drawings to be used to draw Precast Panels
Architectural Drawing Concrete layout drawing describes the location and layout of the precast General arrangement drawing describes the building’s space arrangement, such as rooms, bathrooms, and so on. Window Plan and Elevations describes the size and location of the windows and doors. Arch elevation and its sectional elevations describes the architectural finishes and presentations on…
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Post tension Tendons Passing in Precast Panel
Subject: Things to do when we have post-tensioning cables passing through precast panels If we have both post-tensioning slabs in the location of precast, we have to provide a block-out hole in the precast to pass the tendons through the precast. What we care to take when detailing precast panel. We have to provide an…
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STRONGBACK AND TYPES
Normally we are using the strongback in window, Door opening, uneven profile and panel handling purpose. It’s used to avoid the panel breakup, crack and damage during the panel lifting from table, Transportation (Loading & Unloading) and Panel erection on site. We are using three types strongback based on the required strength. 1. PFC Strong…
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VIBRATING TABLE FOR PRECAST FABRICATION
Vibrating table using for compacting and consolidating the stiff and harsh mixes in precast structures on factory or yards. While using this vibrator the concrete will be spreads equally at all corners of the precast structure in mold. It will help to improve the strength and quality of precast concrete structure. The void or bubble…
