隧道建设
隧道建設
수도건설
TUNNEL CONSTRUCTION
2014年
z1期
286-291
,共6页
土压平衡盾构%大断面%穿越建筑物%沉降控制
土壓平衡盾構%大斷麵%穿越建築物%沉降控製
토압평형순구%대단면%천월건축물%침강공제
EPB shield machien%large cross-section%boring underneath buildings%settlement control
长株潭城际铁路滨开区间采用2台直径9.34 m的土压平衡盾构施工。为有效控制盾构下穿密集建筑物段变形或沉降,通过方案的调整,采用对建筑物的主动保护与施工方案及参数的及时优化,实现了盾构掘进的平稳通过,保证了地表沉降的可防可控,确保了对地面建筑物的影响降至有限、合理的范围内。
長株潭城際鐵路濱開區間採用2檯直徑9.34 m的土壓平衡盾構施工。為有效控製盾構下穿密集建築物段變形或沉降,通過方案的調整,採用對建築物的主動保護與施工方案及參數的及時優化,實現瞭盾構掘進的平穩通過,保證瞭地錶沉降的可防可控,確保瞭對地麵建築物的影響降至有限、閤理的範圍內。
장주담성제철로빈개구간채용2태직경9.34 m적토압평형순구시공。위유효공제순구하천밀집건축물단변형혹침강,통과방안적조정,채용대건축물적주동보호여시공방안급삼수적급시우화,실현료순구굴진적평은통과,보증료지표침강적가방가공,학보료대지면건축물적영향강지유한、합리적범위내。
The 9.34 m diameter EPB shield machines are used for boring of Bingjiangxincheng Station-Kaifusi Station section of Changsha-Zhuzhou-Xiangtan railway.The active protection of buildings on the ground and optimization of con-struction program and parameters are used,so as to control the settlement and deformation of buildings.In the end,the shield machines have successfully passed through,the settlement of ground surface has been brought under effective con-trol,and the safety of the buildings on the ground has been guaranteed.