壩前滲流 的英文怎麼說
中文拼音 [bàqiánshènliú]
壩前滲流
英文
frcntal seepage-
The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage
系統的儲層特徵研究表明，該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖；儲層巖石經歷了壓實，膠結，溶蝕等成巖作用，歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期（ b亞期）膠結充填孔隙縮小期三個成巖-孔隙演化階段；儲層物性總體上具有較低孔滲、低孔滲的特點，孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔，裂縫不發育，儲集巖排驅壓力和中值壓力較高，孔隙結構類型以細小孔-微孔隙，微細喉-微喉型為主。Analyses of the monitored seepage data of the sand case dam with clay core of jilihe reservoir show that the impervious effect of the clay core is good, that the blanket in the front of the dam has little impervious effect, and that seepage failure will probably take place because of the weak cutoff groove and the large seepage gradient
摘要對吉利河水庫粘土心?砂殼壩的滲流觀測資料分析表明，該壩粘土心?的防滲效果較好，但壩前鋪蓋沒起到防滲作用，且截滲槽較薄弱，滲透比降較大，可能發生滲透破壞。The technique of splitting grouting is a method for handling the earth dam " s stability with deformation and permeation. it is developed quickly in several decades. the author, regarding left subsidiary dam of shenzhen reservoir as an example, uses the limited element method to proceed the dam ' s seepage calculation, combines the contrast analysis with prototype data and predicted data, then compares the dam ' s seepage behavior " s changes before splitting grouting with that after splitting grouting, has some basic conclusions
土壩壩體劈裂灌漿技術是近幾十年來發展迅速的一種處理土壩壩體變形穩定和滲透穩定問題的方法，本文以深圳水庫左副壩為具體實例，利用有限單元法進行了壩體滲流計算，並與原型觀測資料進行對比分析，然後比較了劈裂灌漿前後壩體滲流狀況的改變，並對壩坡穩定進行分析，得出了一些基本結論，對利用有限單元法求解劈裂灌漿前後壩體的滲流問題提出了一些建議。
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