發(fā)布時(shí)間：2018-03-20 18:02

  本文選題：地鐵　切入點(diǎn)：高鐵路基段　出處：《鐵道標(biāo)準(zhǔn)設(shè)計(jì)》2017年06期 　論文類(lèi)型：期刊論文

【摘要】：為研究地鐵盾構(gòu)法隧道穿越高速鐵路聯(lián)絡(luò)線(xiàn)路基的沉降問(wèn)題,鐵路行車(chē)對(duì)地鐵隧道結(jié)構(gòu)產(chǎn)生的安全問(wèn)題以及地鐵隧道施工過(guò)程中的安全控制措施,采用理論計(jì)算和數(shù)值模擬相結(jié)合的方法,對(duì)南京地鐵4號(hào)線(xiàn)下穿京滬高鐵聯(lián)絡(luò)線(xiàn)路基段進(jìn)行探討和分析。結(jié)果表明:在地層損失率不大于8‰并考慮鐵路行車(chē)限速的情況下,地鐵隧道下穿高鐵路基引起的線(xiàn)路變形滿(mǎn)足高鐵靜態(tài)管理標(biāo)準(zhǔn)要求,并給出盾構(gòu)機(jī)的掘進(jìn)參數(shù)建議值。為達(dá)到地鐵盾構(gòu)隧道施工對(duì)鐵路的影響最小,保證施工期間鐵路的安全運(yùn)營(yíng),提出施工期間高鐵運(yùn)營(yíng)速度應(yīng)控制在120 Km/h以?xún)?nèi),盾構(gòu)機(jī)應(yīng)勻速不間斷掘進(jìn),推進(jìn)速度應(yīng)控制在1.0~1.5 cm/min,每日推進(jìn)5~6環(huán)。
[Abstract]:In order to study the settlement problem of subway shield tunneling through the roadbed of high-speed railway tie line, the safety problems caused by railway driving to the subway tunnel structure and the safety control measures during the construction of subway tunnel are studied. Using the method of theoretical calculation and numerical simulation, this paper discusses and analyzes the subgrade section of Beijing-Shanghai high-speed railway tie line under Nanjing Metro Line 4. The results show that if the formation loss rate is not more than 8 鈥，

本文編號(hào)：1640197