sand soil 中文意思是什麼

sand soil 解釋
砂土
  • sand : n 1 沙。2 〈 pl 〉 沙灘，沙洲，沙地，沙漠。3 〈 pl 〉 沙粒；（計時用的沙漏中的）細沙。4 光陰，時...
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  1. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. Sand soil was piled inside in order to prevent the site from collapsing

    為預防探坑崩塌，堆積沙土于探坑內。
  3. In this paper, regarding the analysis of stability factors of majiatian tailings fill dam, namely regional geologic structure, rock - soil body of dam foundation, poor geology phenomenon, leach consolidation and chemical consolidation of tailings, seepage water of dam body and king - size flood water of majiatian tailings reservoir, a preliminary demonstration on probability of earthquake liquefaction and seepage failure of dam bodys tailings sand soil, of the dam body failure resulted from abutment landslide and of the flood water overflowing crest, as well as on the contribution of leach consolidation and chemical consolidation of tailings to the stability of dam body has been performed

    通過對馬家田尾礦庫區域地質構造、庫區不良地質觀察、尾礦淋濾固結和化學固結、壩體滲透水和庫區特大洪水等因素對馬家田尾礦堆積壩體穩定性影響的分析，初步論證了壩體尾礦砂土的地震液化、滲透破壞、壩肩滑坡使壩體失穩和洪水漫頂的可能性，以及尾礦淋濾固結和化學固結作用有助於壩體的穩定性。
  4. In this paper, regarding the analysis of stability factors of majiatian tailings fill dam, namely regional geologic structure, rock - soil body of dam foundation, poor geology phenomenon, leach consolidation and chemical consolidation of tailings, seepage water of dam body and king - size flood water of majiatian tailings reservoir, a preliminary demonstration on probability of earthquake liquefaction and seepage failure of dam body ' s tailings sand soil, of the dam body failure resulted from abutment landslide and of the flood water overflowing crest, as well as on the contribution of leach consolidation and chemical consolidation of tailings to the stability of dam body has been performed

    通過對馬家田尾礦庫區域地質構造、庫區不良地質觀察、尾礦淋濾固結和化學固結、壩體滲透水和庫區特大洪水等因素對馬家田尾礦堆積壩體穩定性影響的分析，初步論證了壩體尾礦砂土的地震液化、滲透破壞、壩肩滑坡使壩體失穩和洪水漫頂的可能性，以及尾礦淋濾固結和化學固結作用有助於壩體的穩定性。
  5. Prevention of quality accident for drill hole filling pile in sand soil foundation

    砂土地基鉆孔灌注樁質量事故預防
  6. Moreover, we also gave some theoretical studies on the resistant pipe - pushing construction technique for middle and long distance high pipes in sand soil layers, from which not only the difficulties in the rain pipe construction problem in jianyu road of yulin city have been overcome successfully, but also the new and valuable techniques and experiences for the pipe - pushing construction in sand soil layers have been obtained

    試驗研究表明上述技術措施的有效性，同時還對砂土層中長距離頂管法施工技術進行了一定的理論探討，從而使榆林市建榆路雨水管道頂管法施工開始完全不能進尺的僵局予以打破而且為砂土地層中頂管法施工提供了新的技術和經驗
  7. Engineering design of supporting structure of deep foundation pit in high level water and sand soil area

    高水位砂土地區深基坑支護結構工程設計
  8. Reconsolidation volumetric behavior of saturated sand soil after liquefaction

    飽和砂土液化后再固結體變特性研究
  9. Different from clay soil and sand soil, the particle extent of silty soil is more narrow, so the component design method and construction technology, which is reasonable for clay soil and sand soil may not be effective to silty soil

    粉質土不同於粘性土和砂性土，其粒度分佈范圍窄，所以適用於粘性土與砂性土的配合比及施工技術與方法並不就一定適用於粉質土。
  10. 4. in the process of spontaneous vegetation recovery of blown sand soil, coarse sands ( l - 0. 25mm ) content gradually lower, middle sands ( 0. 25 - 0. 05mm ) and fine sands ( 0. 05 - 0. 02mm ), silt, clay content gradually higher in mechanical composition

    4 、在自然植被恢復過程中，風沙土機械組成中砂粒含量變化表現為粗砂含量的降低，中砂和細砂含量的升高，砂粒整體含量降低。
  11. ( 3 ) the amount of nitrogen leached was in the decreasing order as no3 - fertilizer > urea > nh4 + - fertinzer, and the main form of n leached was the n fertilizers added. the amount of nitrogen leached from sand soil exceed in that from clay soil

    （ 3 ）在滴灌施肥條件下，三種氮肥（硝態氮、銨態氮和尿素態氮）在兩種質地的土壤中的淋失量均是硝態氮肥尿素銨態氮肥，淋失的氮素主要為肥料氮。
  12. In this paper, in order to solve the difficulties in the rain pipe construction in jianyu road of yulin city, the pipe - pushing technique for the hand - type tool pipe in the sand soil layer has been researched by experiments in which many practice problems were considered such as the movement and deformation of sand soil, the difficulties for the pipe to enter the scheduled work soil, the collapse of excavation surface, the departure of pipe center and the difficulties to correct this departure. by both the calculations for the stabilities of back - supporting soil body and excavation surface and the theoretical analysis on the reasons for the departure ' s producing, some construction techniques were introduced and adopted in this paper which include not only the change and reinforcement to both the back - supporting soil body and the scheduled work soil body but also the settings of pipe cap, lattice and correcting system on the head of the tool pipe

    本文針對榆林市建榆路雨水管道中遇到的技術難題，進行手掘式工具管砂土層頂管法施工技術試驗研究，在研究中考慮砂土層存在的后靠土體移位、變形，工具管難以進入出洞土體，挖掘面易坍塌、管道中心易偏差及難糾偏等問題，通過對后靠土體和挖掘面的穩定計算及偏差產生原因的理論分析，提出並採用后靠土體換填加固，出洞土體換填加固，以及在工具管頭部設置管帽、格柵、糾偏系統等技術措施
  13. Study on the dry shrinking property of stabilized red sand soil soft aggregate pavement base

    穩定紅砂土軟質集料基層的干縮特性研究
  14. In this technique, the original sand, soil and humus are replaced by clean sand ; then water is poured into the base pit enabling sand rearranged and compacted by means of the water down - seepage force

    水墜砂工藝就是採用潔凈的砂土替換原有砂土及腐質土，然後往基坑內灌水，使砂土藉助水下滲的作用力重新排列組合，以達到密實的效果。
  15. And the effects of liquefaction sand soil on surface ground motion are investigated for considering the thickness 、 depth 、 width of the liquefied sand layer and the input earthquake wave

    主要分析了飽和液化層厚度、飽和液化層埋深、土性參數和輸入地震波等因素對地面加速度反應譜的影響。
  16. A modified two - dimensional dynamic effective stress method is established and also the corresponding program presented in the paper. and the method is used for analyzing the effects of liquefaction of sand soil zone on surface ground motion and the response spectrum of acceleration 、 velocity and displacement

    本文在現有研究的基礎上，建立了一種土體二維有效應力動力分析方法並編制了相應程序，並以此計算分析了飽和液化砂層對地表加速度反應譜、速度反應譜、位移反應譜的影響。
  17. In the comprehensive fuzzy evaluation model of soil liquefaction, the following factors, such as earthquake intensity, spt counts, groundwater level and mean diameter of sand soil particle which affect the liquefaction of sand soil were considered, and the sketch map of trapezoid subordinate function was adopted and the subordinate function expression of each factor was given

    在提出的砂土液化模糊綜合評判模型中，通過綜合地震烈度、標貫擊數、地下水位和平均粒徑等影響砂土地震液化的因素，採用梯形隸屬函數並分別給出各因素隸屬函數的表達式。
  18. Test study for improving sand soil against wind erosion with polyacrylamide

    對土壤抗沖抗蝕能力影響試驗研究
  19. After re - exploration and careful analysis ， it was found that the sand soil under the bottom of the pile and around the pile was disturbed during the construction of cfg piles

    通過驗證勘察並經綜合分析后認為，造成單樁承載力不足的主要原因是施工時擾動了樁底或（及）樁周砂層。
  20. A point that majiatian tailings fill dam might induce earthquake and rainfall water might result in declination of shear strength of tailings sand soil once the reservoir is closed has been put forward

    並初步提出了馬家田尾礦庫可能會誘發地震和封庫停運后大氣降雨會導致壩體尾礦砂土抗剪強度降低的觀點。
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