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The Singapore Treasury Building, Singapore

 

        

 

 

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With a cylindrical concrete core wall as the primary structural element, the section of the Singapore Treasury Building offers a different image than the other buildings in this series. Since 40-ft cantilevers support the office area, no vertical supports obstruct the space(plan). As a result, the uninterrupted band of windows in the elevation is true to form.

 

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This cylindrical tower at the center of Singapore will, for a time, be the tallest building in Asia. Its structure is very different from the other buildings by LeMessurier shown in this series because all gravity loads and bending rigidity are concentrated on the inner cylindrical wall of concrete surrounding the service core. The bending system is not as rigid as might be achieved with columns at the perimeter, but the shear rigidity is very high. With only four openings per floor, the core wall has close to the ideal shear rigidity index of 100(see "On shear stress").

 

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What matters in any building is its over-all rigidity. That is, low bending rigidity can be balanced by high shear rigidity, and vice versa, to achieve a suitable design. Many lower buildings have wind systems for bending and shear concentrated in fixed walls around service cores. The Singapore Treasury Building extends this form to its logical ideal by carrying all loads with the concrete core wall and using steel to cantilever the floor 40 ft. Although not suitable for a mile-high building as Frank Lloyd Wright proposed, this "core only" system is just right at one-seventh of a mile.

 

ÀÌ °Ç¹°Àº ½Ã°ø°ú ¸Å¿ì Á¶È­¸¦ ÀÌ·ç¸ç ´Þ¶ó½ºÀÇ ÀÎÅÍÆÛ½ºÆ® ÇöóÀÚÀÇ °æ¿ì¿Í °°ÀÌ °­Àç¼¼¿ì±â°¡ ÄÜÅ©¸®Æ® Ÿ¼³º¸´Ù ¼ö °³ ÃþÀ» ¹Ì¸® ¾Õ¼±´Ù. °­Àç°ñÁ¶°¡ ¸ÕÀú ¼¼¿öÁö¸ç, Àӽ𡼳ÁÖ°¡ ¿ÜÆȺ¸ÀÇ ¹Ù±ùÂÊ ³¡¿¡ ¼¼¿öÁø´Ù. ¿ÜÆȺ¸µéÀº ¾ÈÂÊÀÇ ³¡¿¡¼­ ¼öÁ÷ °­Àç±âµÕ¿¡ ¿ëÁ¢µÇ´Âµ¥, ±× ÀÌÈÄ¿¡ °­Àç±âµÕÀº ÄÜÅ©¸®Æ® Äھ¿¡ ¸Å¸³µÈ´Ù.

The building is well along in construction and is using an erection sequence very much like that for the InterFirst Plaza of the Dallas Main Center. The steel frame is erected first, with temporary supports at the outer ends of the cantilevers. The cantilevers are welded at their inner ends to vertical steel columns, which are subsequently encased in the concrete core wall.

 

Structural engineer : LeMessurier Associates / SCI, Cambridge, and Ove Arup & Partners, Singapore

Architects : The Stubbins Associates, Cambridge, and Architects 61, Singapore

Owner : The Singapore Treasury Building(Private) Ltd.

Stories : 52

Height : 751 ft above grade