戴家高架橋T梁預(yù)制施工方案.doc

戴家高架橋T梁預(yù)制施工方案

一、 工程概況：
   白沙關(guān)——婺源高速公路C7標(biāo)段由黑龍江農(nóng)墾建工路橋有限公司負(fù)責(zé)承建。工程位置在K27+500——K32+900，本標(biāo)段路線全長5.4km。其中戴家高架橋中心樁號為K27+714，起點樁號為K27+530.5，終點樁號為K27+897.5，大橋全長367m，寬26m，橫斷面組成為0.5+11.5+0.5+1.0+0.5+11.5+0.5，河床至橋面高達(dá)36m。該橋上部結(jié)構(gòu)為40m預(yù)應(yīng)力鋼筋混凝土T型梁，先簡支后連續(xù)。全橋計9孔，分二聯(lián)，四孔一聯(lián)，五孔一聯(lián)，計108片梁。下部結(jié)構(gòu)鉆孔樁基礎(chǔ)，圓柱式墩，肋板橋臺。全橋44根樁基，其中Φ2.5m12根，Φ2.2m20根，Φ1.6m12根，圓柱32根，蓋梁8個。
二、 T梁預(yù)制標(biāo)準(zhǔn)：
梁長：無伸縮縫     內(nèi)
Wearing a T beam prefabricated home construction program Viaduct

1, Project Overview:
   Baishaguan - Wuyuan Lot C7 highway construction work by the Road & Bridge Co., Ltd. Heilongjiang Land Reclamation is responsible for construction. Project location K27 +500--K32 +900, the tenders full line of 5.4km. Stake wear them at home centers for the viaduct K27 +714, from Stake for the K27 +530.5, end Stake for the K27 +897.5, bridge length 367m, width 26m, cross-sectional composition of +0.5 +1.0 +0.5 + 0.5 +11.5 11.5 +0.5, up river to the bridge 36m. For the 40m bridge superstructure of prestressed concrete T-beams, simply supported continuous. Total full-bridge 9 hole, divided into two joint, four-hole of a joint, a joint five-hole, 108 meter beam. Substructure bored pile foundation, cylindrical piers, ribs Itabashi station. Full-bridge 44 piles, which Φ2.5m12 root, Φ2.2m20 root, Φ1.6m12 root, cylinder 32, cap beam 8.
2, T beam prefabricated standard:
Beam length: no expansion joints within
 

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