Toranomon Roppongi Area Project (Ark Hills Sengoku yama Mori Tower) Shuichi Otaka, Building Structure Design Dept., Obayashi Corporation PLAN SUMMARY PRECAST METHOD DAMPER PANORAMA CONSTRUCTION SITE The SKY TREE The SINJUKU STATION The TOKYO STATION The SITE The TOKYO TOWER Pelli Clarke Pelli Architects Japan,Inc. Google LAYOUT ELEVATION : SECTION 206.69m COMPLEX TOWER OFFICE RESIDENTIAL BUILDING RESIDENCE Mori Building Co.,LTD. Irie Miyake Architects & Engineers 1
PLAN FLOOR FRAMING PLAN 50m Viscous Damper Hybrid Girder (RC-S Girder) 50m 21.6m 14.4m Brake Damper Irie Miyake Architects & Engineers AXIS Soaring Prices of Iron Viscous Damper Hybrid Girder (RC-S Girder) Steel Structure Reinforced Concrete Structure Brake Damper Large Space Of The Office Construction Period Hybrid Girder (RC-S Girder) Precast Concrete Method Raft Foundation (t=4.5m) Left Right Vertical Installation Precast Method (LRV / LRV-H Method) COMPONENT MEMBER THE CONCEPT OF METHOD Left Right Vertical Installation Precast Method H-COLUMN V-COLUMN LR-BEAM V-COLUMN LR-BEAM H-BEAM The Previous Step LRV Method LRV-H Method 2
COMPARISON OF PRECAST THE METHOD Day 1 Column The day before Concrete Day 1 Slab Day 2 Girder The day before Concrete Day 3 Slab Day 2 Bar Arrangement V Column Day 3 LR Beam Formwork Day 4 Bar Arrangement Day 4 Slab Concrete Can Not Proceed To Next Step Day 5 Formwork Day 5 Slab (as Day 1) Day 6 Slab And Panel Concrete Can Not Proceed To Next Step Day 6 Bar Arrangement V Column (as Day 2) Can Not Proceed To Next Step Next Floor 3
Conventional PC Method LRV Method Up To Two Upstairs IMAGE OF MOUNTING (In shortest ) ONE FLOOR THREE DAYS Reduce Of 40 80 Days (Over 40 Storey class) The Previous Step HYBRID GIRDER (RC-S GIRDER) HYBRID GIRDER (RC-S GIRDER) DAY1 Shoring Assembly Work Lifting Material PC Slab Mounting Rebar Assembly Work 4
主 筋 貫 通 孔 トップスジョイント 排 出 口 排 出 確 認 モルタル 型 枠 エア 式 型 枠 木 製 型 枠 のいづれかを 使 用 モルタル 注 入 充 填 口 DAY2 DAY3 Formwork of the step portion N+1 Floor Girder Assembly Work N+1 Floor Mounting Column N Floor Casting Concrete Cantilever Slab Joint Of Girder Mounting V Column DAY1 DAY2 N Floor Rebar Assembly Work N+1 Floor LR BEAM Assembly Work N+1 Floor RC S Girder Assembly Work N 1 Floor Shoring Assembly Work N+1 Floor RC S Girder Rebar Assembly Work N 1 Floor RC S Girder Formwork N Floor Slab Rebar Assembly Work N Floor Formwork of the step portion N 1 Floor RC S Girder Formwork DAY3 JOINT OF PRECAST METHOD 排 出 確 認 注 入 材 : トーテツライト H120 モルタル 注 入 N+1 Floor Laid Deck Plate N+1 Floor Preceding Shoring Assembly Work Rebar 型 枠 ギャップガード のいづれかを 使 用 Mechanical Joint LRV Method (girder joint) LRV Method (panel joint) N+1 Floor Setting Stud Dowel N+1 Floor Cantilever Slab N+1 Floor Mounting Column モルタル 注 入 排 出 確 認 鉄 筋 貫 通 孔 トップスジョイント LRV H Method N Floor Casting Concrete 5
LRV METHOD (PANEL JOINT) LRV METHOD (GIRDER JOINT) Vent LR Beam (Joint) Joint Width 20mm V Column (underfoot) LR Beam (Fixing Rebar) Injection Vent Bar through hole LR Beam (panel) Mechanical Joint V Column (capital) Mechanical Joint Injection DAMPER SAFETY / SECURITY BUILDING as SHELTER BRAKE DAMPER VISCOUS DAMPING WALL Mori Building Co.,LTD. VISCOUS DAMPER WALL Resistance BRAKE DAMPER DETAIL Inner Plate Horizontal Displacement Washer Disc Spring Inner Plate Outer Plate Plate Washer Viscous Material Elongate Hole Inner Plate Outer Plate Fixed Lower Structure Outer Plate Brake Material Stainless Plate 6
DISC SPRING CHARACTERISTIC BRAKE DAMPER INSTALLATION PROCEDURE P P δ δ Disc Spring Coil Spring P Target Value Disc Spring Coil Spring δ Managing Value SUMMRY BUILDING as SHELTER 1 SAFETY / SECURITY / SATISFACTION HIGH PERFORMANCE / SHORT CONSTRUCTION PERIOD / REASONABLE COST BRAKE DAMPER VISCOUS DAMPER LRV METHOD RC-S GIRDER THANK YOU Mori Building Co.,LTD. 7