sand boil การใช้

• Milam said it's the first sand boil ever found on the 140-mile dike.
• Usually a sand boil can be found, but the boil might be hidden under water.
• Two weeks following the earthquake sand boils at the same location were still discharging water.
• Relief wells can prevent sand boils from occurring by relieving the water pressure as described.
• Sand boils, lateral spreading, settling, and slides led to some tilting and collapse of buildings.
• A sand boil is difficult to stop.
• Ground cracks and sand boils were reported.
• Numerous sand boils were seen in the region northwest of Spitak including within of the failed embankment.
• Maximum seismic intensity ( Liquefaction and sand boils were observed in several locations with high seismic intensity.
• Soil liquefaction was observed at Yuanlin and caused settlement of building foundations and filling in of water wells from sand boils.
• The intense ground shaking led to a large number of ground surface failures, including sand boils, ridge-top shatters and debris avalanches on steeper slopes.
• During the flood of spring 2011, the United States Army Corps of Engineers had to work to contain the largest sand boil ever discovered.
• The'Sand Boils'is an area at the head of the West Stream in which upwelling spring water creates swirling sandy patches in the gravelly streambed.
• Dikes that don't result in sand boils ( see below ) can only be found in profile view because they don't leave evidence at the ground surface.
• The intense ground shaking caused by the earthquake led to a large number of ground surface failures, including sand boils, ridge-top shatters and debris avalanches on steeper slopes.
• Water may then flow through the soil towards the dry side of the levee, resulting in sand boil, liquefaction of the soil, and ultimately destruction of the levee.
• The sand boil measured 30 feet by 40 feet and was located in the city of Cairo, Illinois at the confluence of the Mississippi River and the Ohio River.
• Some of the drains originate from one-time watercress beds fed by clear chalk water springs and feed into either the Western Stream arising off the'Sand Boils'or the Eastern Stream arising off Alexanders Moors.
• This is often observed as " sand boils " also called " sand blows " or " sand volcanoes " ( as they appear to form small volcanic craters ) at the ground surface.
• He also testified that his research showed that the Star Bend area had been hit with " sand boils " _ surface eruptions of water that can precede a levee collapse _ on four occasions since 1955.