Bài 2 của loạt bài về kết cấu của Bảo tàng Edo Tokyo

“This document outlines the structural engineering specifications for the Edo-Tokyo Museum in Tokyo, Japan, built in 1994. It details the building's massive structural components, foundation details using steel pipe piles, and construction materials like high-strength steel and bolts.

• The museum building has a maximum height of 62.2 meters and covers a site area of 30,693 square meters.

• The structure utilizes a mix of Steel Reinforced Concrete (SRC) and Steel (S) construction across its seven main floors.

• The design features major structural elements like H-shaped columns measuring 14.4 meters in width and depth to support the massive upper sections.

Translation

• Sender: 2 Structural Outline

• Sender: 2.1 Construction Outline

• Sender: Building Name: Edo-Tokyo Museum

• Sender: Location: 1-chome, Yokoami, Sumida-ku, Tokyo

• Sender: Client: Tokyo Metropolitan Government (Bureau of Cultural Affairs)

• Sender: Design: Kikutake Architects

• Sender: Structure: Matsui Gengo + ORS Office

• Sender: Construction: Kajima Construction and 8 other company Joint Venture

• Sender: Use: Museum + Multi-purpose Hall

• Sender: Construction Scale

• Sender: Site Area: 30,693m²

• Sender: Building Area: 17,562m²

• Sender: Total Floor Area: 46,590m² (Construction floor area: 64,300m²)

• Sender: Building Height: Maximum height 62.2m

• Sender: Number of Floors: 1 Basement, 7 Floors Above Ground, 1 Penthouse

• Sender: Foundation Type: Steel Pipe Pile φ800, L=23.5m. TN Method

• Sender: Structure

• Sender: Columns: Basement 1st Floor - 5th Floor +4.400: SRC Structure

• Sender: 6th Floor - PH1 Floor: S Structure

• Sender: Basement 1st Floor - 3rd Floor: SRC Structure

• Sender: 4th Floor - PHR Floor: S Structure

• Sender: Construction Materials

• Sender: TMCP Steel (F=3.3t/cm², t>40mm)

• Sender: SM490A (t<40m)

• Sender: High-strength Bolts: 700,000 pieces, F10T. M24

• Sender: Field Welding Length: 250,000m (6mm conversion)

• Sender: Number of Main Members: 7,900 pieces

• Sender: 2.2 Foundation Structure

• Sender: This building is located next to the Ryogoku Kokugikan, with the Sumida River flowing to the west. Within the site, there are remnants of a moat from the Edo period, and the topography is a delta area. The ground consists of a backfill soil layer of approximately 2m to 6m from the upper layer, and below that is the Yurakucho layer consisting of alluvial sandy silt up to about GL-27m. Furthermore, below that, the diluvial layer continues with buried terrace gravel layers, the Tokyo layer, and the Tokyo Formation Edogawa layer. The foundation of this building uses the very dense buried terrace gravel layer deeper than approximately GL-30m as the bearing layer.

• Sender: In the basement part under the high-rise part of the building, walls with a thickness of 140cm to 180cm are placed on the periphery and main frame, and further, foundation beams with double slabs are arranged, with 5 steel pipe piles of φ800 as one set, continuously supporting under the foundation beams. Also, under the large columns, a mat-like foundation of 4.8m thick and 20m x 20m wide is provided, making it structurally sufficiently rigid, and supported by 100 steel pipe piles of φ800 for each column.

• Sender: It consists of a part and an entrance part on the west side with a 2-story atrium.

• Sender: The high-rise part has a maximum height of 62.2m, and from the 1st basement floor, four large columns in an H-shaped section with a material length and width of 14.4m are provided, supporting the high-rise part of 4th floor or higher with a plane of 158.4m x 64.8m through an atrium of about 20m from the 3rd floor plaza, which is an outdoor event space of about 14,000㎡, to the 4th floor where the storage room is located. The high-rise part has a truss roof provided through an atrium of about 26m from the 5th floor, which is the main exhibition space. Looking at the building as a whole, it is a large 2-story building.

• Sender: The floor from the 1st basement to the 3rd floor is of steel-reinforced concrete construction, and shear walls are arranged between the large columns of steel-reinforced concrete construction arranged in 4 locations, along the A, J lines in the X direction, and along the 7, 17 lines in the Y direction.

• Sender: From the 3rd floor to the 6th floor, the large columns arranged in 4 locations are of steel-reinforced concrete construction, and the beams are of steel construction.

• Sender: The frame format is a superstructure that combines single members for both columns and beams. Above the 6th floor, both columns and beams are of steel construction.

• Sender: The long side direction consists of 4 frames on the A, J lines and C, H lines as main frames.

• Sender: The frame of the outer street forms a large frame with a full web girder with a total height of 6.25m, using the flanges of two large columns and a beam with a height from the 1st basement to the 3rd floor above ground as the lower beam, and the middle beam as the 5th-floor beam as the lower chord member, and the upper beam as the large girder with a height for one layer of the PH floor (total height 5.65m). The cantilever part extends the full web girder 43.2m from the large column core and is suspended from the large column by diagonal members. A horizontal member is placed between the large columns on the 5th to 7th floors as a counter to the diagonal suspension members, and the space between them is solidified with columns and braces.

• Sender: The frame of the inner C, H lines forms a large frame with a truss girder with the flange surfaces of two large columns and a beam with a height of 1 basement layer as the lower beam, the middle beam as the truss girder with a height of 1 layer on the 4th floor (7.65m), and the upper beam as the truss girder with a height for one layer of the PH1 floor (total height 5.65m). The cantilever part extends the middle truss beam and supports an inverted arch beam installed perpendicularly between the tips of the cantilever part beams.

• Sender: The short side direction consists of 2 frames on the 7, 17 lines with the large columns facing the strong axis as the main frame.

• Sender: Similar to the long side direction, the frame format forms a large frame with the web surfaces of two large columns, a beam with a height from the 1st basement to the 3rd floor above ground, and a large girder with a height for one layer of the 4th floor and the PH1 floor.

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