铁道建筑
鐵道建築
철도건축
RAILWAY ENGINEERING
2014年
10期
39-41
,共3页
隧道%盾构%螺旋机喷涌%应对措施
隧道%盾構%螺鏇機噴湧%應對措施
수도%순구%라선궤분용%응대조시
Tunnel%Shielding%Muck-gushing from shield's screw conveyer%Countermeasures
隧道盾构施工时，螺旋机喷涌是盾构机在富水砂层中掘进的一大安全隐患。它将导致无法正常出渣，无法有效控制土仓压力，进而影响施工进度，甚至会引起地表塌陷、隧道渗漏水等次生灾害。本文以一实际工程中发生的螺旋机喷涌为例，阐述其危害性、发生机理及施工应对措施。
隧道盾構施工時，螺鏇機噴湧是盾構機在富水砂層中掘進的一大安全隱患。它將導緻無法正常齣渣，無法有效控製土倉壓力，進而影響施工進度，甚至會引起地錶塌陷、隧道滲漏水等次生災害。本文以一實際工程中髮生的螺鏇機噴湧為例，闡述其危害性、髮生機理及施工應對措施。
수도순구시공시，라선궤분용시순구궤재부수사층중굴진적일대안전은환。타장도치무법정상출사，무법유효공제토창압력，진이영향시공진도，심지회인기지표탑함、수도삼루수등차생재해。본문이일실제공정중발생적라선궤분용위례，천술기위해성、발생궤리급시공응대조시。
T he muck-gushing from shield's screw conveyer poses a safety challenge to the tunnel construction at water-rich sandy stratum. Such operation may affect the discharging of dregs and the soil pressure in concern,which may lead to possible delay in the construction schedule or even secondary hazards,such as surface collapse or water leakage. In this light,the paper refers to the muck-gushing incidences happened in the past to outline the damage caused,the occurrence mechanism and the corresponding countermeasures.
