粗砂土 的英文怎麼說

中文拼音 [cūshātǔ]
粗砂土 英文
coarse sand
  • 粗 : Ⅰ形容詞1 （長條東西直徑大的） wide （in diameter）; thick 2 （長條東西兩長邊的距離寬的） wide （i...
  • 砂 : 名詞（沙子） sand; grit
  • 砂土 : sandy soil; sand砂土地基 sand foundation; 砂土植物 silicicole
  1. The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits

    分等結果表明：臥龍區等的耕地中，有87 . 6分佈在沖積、湖積平原區，主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土；等耕地中，有61 . 4分佈在壟崗區，主要土壤類型是洪坡積物上發育形成的黃褐土：而、等耕地集中分佈在丘陵區，主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土，等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。
  2. Because the soft deposit contains silt, floury thin sand, medium thin sand, fill section and so on, the scheme of foundation treat can not be easily decided

    由於軟基中含有淤泥、粉細砂、中粗砂、雜填土等，且土質很不均勻，基礎處理方案很難確定。
  3. Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering

    主要考察了老混凝土表面不同處理方式（刷毛面，鑿毛面，劈裂面） 、界面粘結劑類型（水泥凈漿，水泥砂漿， u型膨脹劑水泥漿） 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響，以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明，粗糙度對新老混凝土粘結性能有重要影響，隨著粘結面粗糙度的增大，粘結面劈拉強度不斷增加；界面粘結劑類型對新老混凝土粘結性能有一定影響，在凍融作用下， u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿；凍融循環對粘結面劈拉強度有較大影響，加氣能明顯改善新老混凝土粘結面的抗凍能力。
  4. Experimental study on rheological engineering properties of coarsely granular red sandstone soil

    紅砂巖粗粒土流變工程特性試驗研究
  5. Scientific research and design institute of cscec in guizhou cooperate with prof. peng xiaoqin, and research the bond technology of the new and old concrete. which are researched to four points as follows : 1. several major methods evaluating the degree of roughness were analyzed, and their advantages and disadvantages were analyzed

    貴州中建建築科研設計院與重慶大學材料學院彭小芹教授合作，主要對新舊混凝土粘結技術進行了研究，主要集中在以下幾個方面: 1 .分析目前常用的幾種評價粗糙度的方法，並對每種方法的優缺點進行評述;提出一種簡便易行的測量粗糙度的方法，克服目前常用方法的缺點，並通過多組數據和灌砂法進行相關性分析，得出兩者之間的關系。
  6. It is made of sand, cement and lightweight aggregate, etc. some of the lightweight aggregates include pumice, stuff, expanded clays ( haydite ), etc. lightweight aggregate concrete can provide the same strength as the normal concrete with less weight

    輕骨料混凝土是一種用量較大的新型混凝土，其密度在850kg m ~ 3至1950kg m ~ 3之間，由粘土陶粒，粉煤灰陶粒等粗骨料以及常用的砂，水泥，水等材料製作而成。
  7. The organic matter, total n, hydrolytic n were increased, then reduced with the increase of abandoned time. the loss of organic c got up to 59. 4 % in abandoned land. in 0 - 20cm, the sand content of 0. 25 - 0. 05mm was increased gradually, the average content of sand in the abandoned land was up to 76. 84 %, the sand contents of silt and sand was gradually reduced, the soil mechanic compose became coarse

    隨撂荒年限的增加，土壤有機質、全氮、堿解氮等主要養分均表現出先降低后增加的趨勢；撂荒地有機碳的損失平均達到59 . 4 ；在撂荒地表面0 - 20cm范圍內， 0 . 25 - 0 . 05mm粒徑的砂粒含量逐漸增加，各撂荒地砂粒平均含量達76 . 84 ，粉粒和粘粒含量逐漸降低，土壤機械組成出現粗化現象。
  8. Evaporation varies from evaporation capability, embedded depth of groundwater is more easy, the effect is more obvious ; evaporation capacity decreases if embedded depth of groundwater become deeply, and close to zero under the some depth ; evaporation capacity of different soil texture is different. at ordinary situation, if embedded depth of groundwater is easy, evaporation capacity of the wide and grit soil is powerful ; if embedded depth of groundwater is deep, evaporation capacity of the slender and viscosity soil is powerful

    潛水蒸發隨大氣蒸發能力的變化而變化，且潛水埋深越淺，受其影響越明顯：潛水蒸發隨潛水埋深增加而減少，在某一埋深以下潛水蒸發接近於零：不同土質其潛水蒸發量不同，一般情況下，在潛水埋深較小時，土質較粗、偏砂性土壤潛水蒸發較大；當潛水埋深較大時，土質較細、偏粘性土壤的潛水蒸發較大。
  9. The research showed that pam could improve soil structure, and greatly increase the stabilization of soil aggregates, so soil crust development would be decreased. fifthly, soil grain that controls rainfall splash erosion was obtained, the influence of soil clay was very great during initial stages of rainfall. with rainfall going on, soil coarse sand and fine sand would control the splash erosion

    五、控制土壤濺蝕的主要土壤粒級：在降雨初期土壤的的粘粒對濺蝕速率的影響較大，隨著降雨歷時的延長，土壤中的細砂和粗砂成為濺蝕速率影響較大的因子；六、對土壤濺蝕影響較大的土壤結構特徵因子：降雨5分鐘時，土壤的滲透系數對濺蝕速率的影響較大，隨著降雨的繼續進行，土壤的團聚度一直對土壤濺蝕速率影響較大。
  10. The design strength of the new concrete is c40, which adopts 525 # common portland cement, the sand is middle wide river - sand, the radius of coarse aggregate is 10 - 30mm. the surfaces of the old concrete which are harnessed are divided into i, ii, iii three type faces

    Znfl ， ao新混凝土設計強度等級選用c40 ，採用525 』普通硅酸鹽水泥，砂是中粗河砂，粗骨料的粒徑為川30mm 。老混凝土表面處理后的表面分為1型面、 11型面、 ill型面三種類型。
  11. Studying the permeability of deep mixed cement - treated sand through tests, this paper probed into the permeability character and the influence of additives on the permeability character of cement - treated sand. the reinforced mechanism of cement - treated sand was investigated

    通過對經深層攪拌形成的水泥粗砂土的滲透試驗的研究和對室內外試驗結果的分析，探討了水泥砂性土的滲透性及外摻料對滲透特性的影響和水泥砂性土的加固機理，為深層攪拌法改變砂土滲透性提供依據。
  12. All of theses database was integrated into a land information system, which can be used to land evaluation and land use analysis. the second part is the application of soter land information system in land evaluation, based on water balance model watsat, crop simulation model ps 123 and ales ( automated land evaluation system ). the handan land evaluation model was built in ales based on expert knowledge and farmer s " experiences, it includs three decision trees, namely soil erosion risk, soil water condition and soil fertility

    以邯鄲地區1 25萬soter土壤土地數據庫為基礎，探討了土壤參數區域化問題，並利用watsat區域水分平衡模型，研究了邯鄲地區區域水分平衡：大部分地區土壤水分滿足夏玉米生長需求， （ suff ）值為0 . 8 - 1 . 0 ，非常適宜；部分地區如大名地區、邯鄲和永年部分地區、涉縣溝谷坡梁地區土壤水分適宜夏玉米生長， suff值0 . 4 ? 0 . 8 ；不適宜地區， suff值0 . 2 ? 0 . 4 ，主要集中於丘陵山區以及平原古河谷地礫石和粗砂分佈區。
  13. Some respects of self - compacting high - strength concrete ( schsc ) made of fujian province ' s local material have been studied in this thesis as follows : 1. studies on microstructure of the schsc. three different mixed schsc and one normal high - strength concrete ( nhsc ) were observed by the scanning electron microscope at different sites and different ages of 1 day, 3 days, 7 days, 28 days and 60 days. from the test, the effects due to no vibrating and admixture on the microstructure of schsc were studied

    通過四組強度等級相當，分別為普通混凝土、兩組不摻膨脹劑的自密實混凝土（其粉煤灰的摻量不同）和摻有膨脹劑的自密實混凝土，在同一養護齡期的條件下（ 1天、 3天、 7天、 28天和60天） ，分別選擇粗骨料過渡區、細骨料過渡區、水泥石和砂坑作為觀測點，採用sem進行細觀掃描對比實驗，以研究自密實混凝土因免振搗的特性及摻合料對其骨料界面和水泥石結構的影響。
  14. 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。
  15. Test study of red stone granular soil ' s rheological property in road embankment engineering

    路用紅砂巖粗粒土的流變特性試驗研究
  16. Impact hammer mills are used in the mining sector and in the pit and quarry industry for primary and secondary crushing of different types of ore and medium - hard rock with a throughput capacity of 1. 500 t h

    振動錘碎機在采礦業採石業和土壤業領域里被用來對礦砂和中硬巖石進行粗碎和細碎。它的生產能力可達到1500t h 。
  17. Coarse grained soil is composed of sand and gravel, stone residual, blasted stones etc., which has a characters of less cohesive force among grains and strong ability of water penetration. it is a kind of soil of loose grain structure with better utilization properties in the engineering

    粗粒土是指砂礫石、砂卵石、石渣、爆破開採的石料等粗顆粒土石混合料，具有粗顆粒間粘結力小、透水性強的性質，是一種鬆散的顆粒狀結構，具有良好的工程使用性能。
  18. In light of great harm from alkali - aggregate to concrete, the alkali activation of the limestone to be used as the aggregate for the concrete in the construction of zhangfeng reservoir is fully tested with petrographic method, accelerated mortar bar method and autoclave expansion test etc., so as to ensure the durability of the anti - abrasion concrete therein

    摘要堿骨料對混凝土的危害很大，為保證抗沖磨混凝土的耐久性採用巖相法、砂漿棒快速法、壓蒸法等4種方法對陽城下川灰巖進行檢驗，以充分揭示張峰水庫混凝土粗骨料是否存在堿活性。
  19. The data collected in this study indicates that the paleosol layer is thicker in the southeast region than in the northwest and thicker in the north region than in the south

    通過各項指標區域橫向對比發現，砂質古土壤層具有從西北向東南漸變厚變深的規律和粒度值從西北向東南由粗變細的規律。
  20. Study on workability - design of fresh concrete was carried out by introducing coefficient of filling - voids of mortar ( cfvm ), where cfvm was the ratio of voids content of densely packed coarse aggregates to the volume of mortar in concrete

    在新拌混凝土工作性設計中引入了砂漿填充系數c _ （ fvm ）的概念， c _ （ fvm ）是混凝土中砂漿體積與粗集料振動密實空隙體積的比值。
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