粗粘土 的英文怎麼說
中文拼音 [cūniántǔ]
粗粘土
英文
coarse clay-
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。In the same time, according to the fracture test results, the influence mechanism of aggregate size on fracture toughness of adherence of new and old concrete is discussed and analyzed, which is verified by manse of the fractal theory
同時根據新老混凝土粘結斷裂試驗結果,分析了粗骨料最大粒徑對新老混凝土粘結斷裂韌度的影響機理,並用分形理論對影響機理進行了驗證。Many research such as clay minerals, suspend in the sea, the grain size trend analysis of surface sediment, poc 6 cu and 8 c13 in bottom sediments etc. showed that : the yellow sea warm current divided the south yellow sea into two, the terrestrial material of modern sediment on the west shelf plain mainly came from the modem yellow river suspend carried by the alongshore current, and the sediment difference between the west and east side of yellow sea trough was represented by the sedimentation thickness in postglacial period, sedimentation stratum, and oxygen isotope record
粘土礦物、碳酸鹽、粗碎屑、海域懸浮體、表層沉積物粒度趨勢分析、 poc c ~ ( 13 )及底質沉積物的c ~ ( 13 )等多方面研究表明:以黃海暖流為主導,南黃海堆積陸架平原西側現代沉積物陸源物質主要源於黃海沿岸流攜帶的現代黃河懸移物質,黃海槽東西兩側的沉積差異主要表現在冰消期以來沉積厚度、沉積層序、氧同位素記錄上。Any of various ovens for hardening, burning, or drying substances such as grain, meal, or clay, especially a brick - lined oven used to bake or fire ceramics
窯用於加硬,燃燒或烘乾物料如穀物、粗粉或粘土的各式的小窯,特指用來焙乾或燒陶器的磚砌的窯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。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。The main content is : splitting tensile experiments were carried out about the standardized cube bonding specimens ( 150x 150x 150mm3 ) of the new - old concrete after high temperature. the temperature is divided into 9 groups from normal atmospheric temperature to 900, the cooling styles are natural cooling and spraying water cooling ; different interfacial treating methods : brushed with steel - wire brush, man - made chiseling ( not evenly ), man - made chiseling ( quite evenly ) ; different interfacial agents : no interfacial agent, neat cement paste, cement paste mixed with 10 % expanding agent
主要內容有:本文對75個高溫作用后的標準立方體新老混凝土粘結試件進行了劈拉試驗,溫度從常溫到900c分9個溫度段,降溫方式分自然冷卻和噴水冷卻兩種。著重考察了溫度、降溫方式、界面粗糙度及界面劑對新老混凝土粘結劈拉強度的影響規律,闡述了高溫后粘結強度下降的機理。The results show that, the interfacial bonding strength of new and old concrete is evidence lower than the new or old concrete itself. besides the dimension and roughness of bond interface, the chemical reaction degree at the interface is also the main factor
分析結果表明:新老混凝土的界面粘結強度除了受老混凝土界面的尺寸及表面結構、粗糙程度影響外,還與新老混凝土粘結界面間發生化學反應的強弱有關。Through the experiment of the interfacial bonding shear strength and the shrinkage strain of concrete, the influence of the interfacial roughness of used concrete surface and interfacial bonding agent to interfacial bonding strength is revealed ; new concrete component and the shape and size of concrete slab are main factor affecting the shearing stress in layers
試驗結果表明:老混凝土粘結面的粗糙度和界面粘結劑類型對新老混凝土界面粘結強度影響很大;新鋪混凝土材料和混凝土路面板形狀尺寸是影響新老混凝土粘結面收縮剪應力的主要因素。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。The spreading gradation gravelly soil is a kind of clayey coarse - grained soil. it ' s also a soil - rock mixtures. it ' s often divided into fine material and coarse material by the save of 5mm and the granutometric composition affects its project characteristics directly
寬級配礫質土是一種粘性粗粒土,是天然土石的混合料,它通常以5mm為界被分為粗料和細料兩部分,顆粒組成是決定寬級配礫質工工程特性的主要因素。The bulk density was 1. 2 g cm - 1. the soil contents about 60 % of silts and about 15 % of clays. a slope adjustable flume of 3 by 8 m was subdivided into 15 mini - flumes of 0. 2 by 8 m
土壤顆粒以粉沙為主,粉沙粒占總量的60左右,粘粒約佔15左右,容重約為1 . 2gcm ~ ( - 1 ) ,試驗前將土樣風干並過1 1cm的粗篩。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。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。2. several processing methods to concrete surfaces were analyzed, and their advantages and disadvantages were analyze through experiment, the relationship of the water - jet stress and the degree of roughness and the bond strength of the old concrete surface was researched when treating the surface of the old concrete with spraying high - press water
2 .分析目前常用的幾種舊混凝土表面的處理方式,並對每種方法的優缺點進行評述,通過實驗研究高壓水射法處理舊混凝土表面,射水壓力和舊混凝土表面粗糙度及界面粘結強度的關系。Road foundations. road roller compacted concretes and high performances cementitious granular material. definition. composition. classification
路面水泥層.公路密實混凝土和水硬性粘結劑與高性能火山粘結劑的粗處理.定義.成分.分類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。Aminobenzenesulfonic acid super - plasticizer is selected though cement paste test, which be provided with high water - reducing property, low slump loss and good compatibility with cement. according to the request of super high early strength, admixture rf is obtained though tests to compare performances of different accelerators and admixtures. experimental research and analysis are carried out on coarse aggregate ' s grain - size effect and composite aggregate ' s bulk - density to take sensitivity of coarse aggregate into account
通過水泥凈漿試驗比較選擇了減水率高、坍落度損失小、與水泥適應性好的氨基苯磺酸鹽高效減水劑;針對超早強的性能要求,試驗比較了不同早強劑及早強性摻合料的性能表現,研製了早強性能顯著、與高效減水劑和水泥相容性較好的rf摻合料;考慮到修補混凝土對粗集料粒徑的敏感性,對粗集料粒徑效應及混合集料堆積密度進行試驗研究與分析;並對修補混凝土的抗折、抗壓、新老界面粘結強度以及抗凍性等進行了試驗研究。Based on the hypothesis that the rear side of retaining wall is pitching and coarse, and the filling surface is gradient, taking viscous filling as the object of study and using the static balance method, a study has been conducted on the earth pressure on the rear side of retaining wall under the sliding wedge ' s limiting equilibrium condition, and generated a general form for active earth pressure and passive earth pressure
摘要基於擋土墻墻背俯斜、粗糙且填土表面傾斜的情況,以粘性填土為研究對象,用靜力平衡方法研究了擋土墻后滑動土楔體達到極限平衡狀態時作用於墻背的土壓力,提出了主動土壓力和被動土壓力的一般形式。Using this result, as evaluating, to vertical oil - gas sealing evaluation of several major faults in northern wuerson sag, good suitability is gained
模擬結果表明,斷裂帶巖石顆粒粒度越粗,封閉油氣所需要的粘土含量越低,反之則越高。分享友人