砂井是指为加固目的在软土地基中设置的柱状砂体。根据作用原理不同,又可分为挤密砂井(砂桩)和排水砂井两种。挤密砂井间距较密,用砂量大,用砂将土挤实。排水砂井作用主要是为低透水性软粘土提供一个排水通道,以加快土层固结的速度。砂井的直径一般30~40厘米,深度在30米以内(视不同土层要求),间距2~3米。砂井的设置方法是将带有桩靴的钢管沉入土中,形成桩孔,在拔出钢管的同时灌入砂子。钢管沉入的方法有锤击打入法、水冲法和振动法。
袋装砂井 sand wick ; sand bag well ; packed sand ; packed drain fabric-enclosed drain
捞砂井 bailing well
注砂井 mine-fills storing and mixing shaft ; storage-mixed bin, sand filling chamber
排水砂井 sand drain ; Drainage sand well
出砂井完井 sand problem well completion
经常出砂井 chronic sander
砂井地基 sand drain ground
袋装砂井法 sand bags of Wells
排水砂井除排水作用外,还起到竖向加筋抗滑作用。
Packed drains also have a vertical reinforcement and anti slide effect besides the drainage.
本文就袋装砂井法在桥梁工程软土地基处理中的应用进行了探讨。
This paper is well sand bags in bridge engineering method of soft ground treatment of the application are discussed.
为解决这些问题,我公司研制开发了多种适用于含砂井的特种抽油泵。
Series Sand control Pump have been developed to meet the requirement to solve the above problems.
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