香王互通式立交施工總結.doc

 施 工 總 結
一 路線走向
香王互通式立交為位于西安繞城公路南段K76+249.789處，三層Y型加單喇叭型一級互通式立交設計，主線上跨西藍高速公路，西接紡織北路，東與西藍高速公路相連接，起點樁號為K75+200，終點樁號K76+600，全長1400m。擔負兩條高速公路的交通轉換，是西安市東面的主要入口。
二.工程概況
香王互通式立交：共設計有7座橋梁，即主線橋、A匝道橋、C匝道橋、四座分離式立交橋；主線、匝道共有路基填方245667m3，挖方57866m3，其中8條單向匝道（A、B、C、D、F、G、H、K匝道），1條雙向匝道（E匝道）；6個通道，13個涵洞，四條被交線，
主線橋起點樁號為K75+705.96，終點樁號為K76+586.04，全長808.08m，雙向六車道，橋面寬35m，與西藍高速公路上交，交叉角度為50°。橋型布置右半幅2x(5x27)+(2x27+32+27.5+2x24) +(3x24+19.79+26.94+28.43+25.34)+2
x(5x27)m,左半幅 2x(5x27)+(2x27+26.5+3x27)+ (25+27+19.31+27.71+29.74+
18.74+25)+2x(5x27)m。上部結構均為鋼筋砼單箱多室現(xiàn)澆連續(xù)箱梁。下部結構為摩擦樁基礎，埋置式臺，柱式墩，共有樁基318根，66座承臺（包括系梁），128根橋墩柱，2座埋置式橋臺。下部采用直徑為Ф1.2 m摩擦樁，砼設計標號為25#；上部采用雙幅單箱多室現(xiàn)澆連續(xù)箱梁，砼設計標號為30#。
A匝道橋：上部結構為（3X25+27.5+3X25）+5X20+5X24米鋼筋砼單箱單室現(xiàn)澆箱梁。下部結構為圓形單柱及多柱式橋墩，埋置雙柱式橋臺，鉆孔灌注樁基礎。
C匝道橋：上部結構為4X20米鋼筋砼單箱
Shi Federation Results
A route to
Hong Wang Interchange is located in Xi'an city loop highway are K76 +249.789 Department, the three Y-plus single-speaker type 1 interchange design, main line across the West Blue Highway, west of textile North, East and West Blue Highway connects from Stake to K75 +200, end Stake K76 +600, length 1400m. Responsible for two Expressway traffic conversion, is the main entrance to the east of Xi'an.
2. Project Profiles
Hong Wang Interchange: Total design of the seven bridges, the main line of the bridge, A ramp bridge, C ramp bridge, four separate overpass; mainline, ramp total of roadbed fill 245667m3, excavation 57866m3, including eight one-way ramp (A , B, C, D, F, G, H, K ramp), a two-way ramp (E ramp); 6-channel, 13 culverts, four are intersecting lines,
Stake for the bridge from the main line K75 +705.96, end Stake for the K76 +586.04, length 808.08m, two-way six-lane bridge voluminous 35m, and turned over to the West Blue Highway, cross angle of 50 °. Bridge-type arrangement Right Banfu 2x (5x27) + (2x27 +32 +27.5 +2 x24) + (3x24 +19.79 +26.94 +28.43 +25.34) +2
x (5x27) m, left Banfu 2x (5x27) + (2x27 +26.5 +3 x27) + (25 +27 +19.31 +27.71 +29.74 +
18.74 +25) +2 x (5x27) m. Reinforced concrete superstructure are single-box multi-room place continuous box. Substructure is pile foundation, Embedded platform, Shaft Piers, a total of 318 piles, 66 caps (including the tie beam), 128 pier column, two embedded abutment. Ф1.2 m with a diameter of the lower friction piles, concrete design grade of 25 #; upper single box with dual-rate multi-room place box girder, concrete design grade of 30 #.
A ramp bridge: the upper structure (3X25 +27.5 +3 X25) +5 X20 +5 X24-meter reinforced concrete box girder single box single place. Substructure for the round single-column and multi-column pier, embedded two-pole units, bored pile foundation.
Ramp C Bridge: the upper structure of 4X20 meters of reinforced concrete single box
 

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