江西煤炭科技
江西煤炭科技
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JIANGXI COAL SCIENCE & TECHNOLOGY
2012年
3期
90-91
,共2页
冻结法凿井%井壁破裂%施工%支护
凍結法鑿井%井壁破裂%施工%支護
동결법착정%정벽파렬%시공%지호
freeze sinking%shaft wall fracture%construction%support
分析内蒙查干淖尔一号井井筒破裂的原因,有针对性地采取了提高混凝土早期强度、铺设聚苯乙烯泡沫板等措施,使井筒施工安全穿过了膨胀性的不稳定地层,为相似地质条件下井筒冻结法的施工提供了经验。
分析內矇查榦淖爾一號井井筒破裂的原因,有針對性地採取瞭提高混凝土早期彊度、鋪設聚苯乙烯泡沫闆等措施,使井筒施工安全穿過瞭膨脹性的不穩定地層,為相似地質條件下井筒凍結法的施工提供瞭經驗。
분석내몽사간뇨이일호정정통파렬적원인,유침대성지채취료제고혼응토조기강도、포설취분을희포말판등조시,사정통시공안전천과료팽창성적불은정지층,위상사지질조건하정통동결법적시공제공료경험。
By briefly analyzing the geological conditions of vice mine and Aiming at the rupture causes of No.1 shaft in Chagannaoer,Inner Mongolia,the author proposed improving early strength of concrete and laying polystyrene foam board,which guaranteed shaft construction safely through the expansion of the unstable strata and gave experience for shaft freeze sinking construction of similar geological conditions.
