路基工程
路基工程
로기공정
SUBGRADE ENGINEERING
2012年
2期
141-143
,共3页
明挖隧道%预应力锚索%排桩
明挖隧道%預應力錨索%排樁
명알수도%예응력묘색%배장
open-excavated tunnel%prestressed anchor cable%piles in row
郑州市京广路拓宽改造及地下隧道工程第三标段采用明挖法施工，两侧修筑保通道路，由于边坡荷载较大，隧道基坑两侧采用“排桩＋预应力锚索”联合支护方案。监测结果表明，联合支护方案，保证了基坑与周边建筑物的安全，同时缩减了施工工期，降低了工程造价。
鄭州市京廣路拓寬改造及地下隧道工程第三標段採用明挖法施工，兩側脩築保通道路，由于邊坡荷載較大，隧道基坑兩側採用“排樁＋預應力錨索”聯閤支護方案。鑑測結果錶明，聯閤支護方案，保證瞭基坑與週邊建築物的安全，同時縮減瞭施工工期，降低瞭工程造價。
정주시경엄로탁관개조급지하수도공정제삼표단채용명알법시공，량측수축보통도로，유우변파하재교대，수도기갱량측채용“배장＋예응력묘색”연합지호방안。감측결과표명，연합지호방안，보증료기갱여주변건축물적안전，동시축감료시공공기，강저료공정조개。
Both the widening and reconstruction project and the 3rd contract section of underground tunnel project of Jingguang Road in Zhengzhou adopt open excavation with roads for traffic management to be built on both sides. Due to large slope load, the combined support plan of ＂piles in row ＋ prestressed anchor cable＂ is used on two sides of the foundation pit of the tunnel. The monitoring result shows that this combined support plan not only secures the foundation pit and the structures surrounded, but also reduces the construction period and project cost.
