Thursday, October 21, 2010

Day 8 concrete top beams

Start of day 8. The wooden frames for the horizontal concrete beams directly above the window openings have been removed.

Nailing wooden planks together to form the frames for making the top horizontal concrete beams.
Wooden frames completed. Iron rods structures are put within the wooden frames.

Concrete mix poured into the wooden frames to form the top horizontal concrete beams.

The existing walls has been hacked so that the newly built horizontal concrete beams are joined to the existing walls.
From afar, it can be seen that the back extension has taken form. This method of building is hack and build as they go along. Instead of hacking everything that needs to be hacked and building the concrete frames of the structure first before building the brick walls, they build the base concrete beams and then the brick walls, then only the concrete pillars, and then only the top horizontal concrete beams.

I believe building the concrete frame of the structure first is better and needs more skills to do so because the brick walls have a concrete frame to hang onto. By building the brick walls first and then doing the vertical concrete beams and horizontal concrete top beams, the brick walls take a lot of load from the wooden planks that form the frames for the concrete beams.

So it has taken 8 days for the back extension to take form.

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