แสดงบทความที่มีป้ายกำกับ Columns แสดงบทความทั้งหมด
แสดงบทความที่มีป้ายกำกับ Columns แสดงบทความทั้งหมด

วันพฤหัสบดีที่ 23 กุมภาพันธ์ พ.ศ. 2555

Filsat Dorm Sta. Mesa Lifting the Beams and Columns 3/6

Filsat Dorm Sta. Mesa Lifting the Beams. This steel structure is to be combined used as a skeleton framing with ALC (AAC) Autoclaved Aerated Lightweight Concrete as wall cladding. A revolutionary sustainable green building material that its still new in the Philippines. With the combination of the design and flexibility of steel structure and lightness of the ALC-AAC building blocks and panels a high and midrise building can achieved a high flexibility that can withstand earthquake seismic load. This design has been widely used and practice in Japan and as far as we know our humble team are the only one who is knowledgable and practicing this technique here in the Philippines or Southeast-Asia might be.

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วันพฤหัสบดีที่ 1 ธันวาคม พ.ศ. 2554

Filsat Dorm Sta. Mesa Lifting the Beams and Columns 2/6

Filsat Dorm Sta. Mesa Lifting the Beams. This steel structure is to be combined used as a skeleton framing with ALC (AAC) Autoclaved Aerated Lightweight Concrete as wall cladding. A revolutionary sustainable green building material that its still new in the Philippines. With the combination of the design and flexibility of steel structure and lightness of the ALC-AAC building blocks and panels a high and midrise building can achieved a high flexibility that can withstand earthquake seismic load. This design has been widely used and practice in Japan and as far as we know our humble team are the only one who is knowledgable and practicing this technique here in the Philippines or Southeast-Asia might be.

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วันพุธที่ 25 สิงหาคม พ.ศ. 2553

How to Add Reinforced Concrete Columns to an Existing Building

Reinforced concrete columns are mainly used to carry loads of a building. They transfer these loads to a suitable safe soil bearing capacity. Sometimes a building may have only the load bearing walls. These structure may not safely carry an additional floor above. The house may also need a roof change from light weight materials like galvanized iron sheets to the heavier concrete or clay roofing tiles. These will necessitate more bracing of the unit to carry these additional loads.

The reinforced concrete columns in a building can be finished using plaster render, cladding's or left with the concrete color. Whatever the finish, it should give good aesthetics to the wall facades. These columns may be erected free standing or within the building fabric. They may have the usual rectangular or square shape, though it may also have the circular shape. It is important to assess the points where to erect columns. This is so that all the necessary supports are put in place before any cuttings are done safely.

The procedure of adding reinforced concrete columns, is by marking out all the points to add columns. The walls and roofs are supported using props and bracing. The columns should be place at all building corners and any load bearing walls intersections. The wall is cut carefully up to the beam level. Concrete at the roof beam level is hacked and removed to expose the reinforcements. The wall opening should have a masonry toothing. A pit is excavated for the foundation base and column starter bars. The base and the column is then cast and vibrated well.

The column starter is cured after seven days. Additional reinforcement is added to the roof level and joined with the beam steel. Hoop iron is done at alternate courses passing through the steel from both the wall ends. This is to allow the wall to be strengthened after the cutting. Form work is then done. Concrete is cast and vibrated. The form work is removed after seven days of curing. The process is repeated at every point where they will be a reinforced concrete column. The appropriate finish is then done to match with the existing wall surface facades.

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วันเสาร์ที่ 27 กุมภาพันธ์ พ.ศ. 2553