water-bearing sand 中文意思是什麼
water-bearing sand
解釋
含水沙層-
In foundation treatments of buildings or structures in sandy region, the sand compacted by down - seepage water technique is adoptable to enforce the compactness and bearing capacity of sand and soil cushion to meet the design requirements
摘要在砂土地區進行建(構)築物的地基處理時,採用水墜砂技術可使砂土墊層的密實度和承載力達到設計要求。 -
Water shutoff agent dsz - a is composed of inorganic particle. its specialities are low cost, easily flow, high strength and long valid period. the agent suits non - selective water shutoff in sand formation. dsz - a not only can plug high water - bearing formation, but also can plug case leakage. dsz - a has been applied on site and gotten good effect. it is a agent which has wide prospect
井下護泵除砂裝置主要用於產液氣量高,出砂能力大,利用常規裝置、常規方法很難治理的井.它的設計是建立在丟手封隔器卡封的基礎上,將液體攜砂能力由地層進入泵管轉變為先過濾(雙層激光割縫篩管部分) ,再在除砂器內靜態沉澱、由單流閥排入井底等一系列除砂護泵優點.本文著重介紹了井下護泵除砂裝置的工作原理與應用情況
分享友人