粗粒土 的英文怎麼說
中文拼音 [cūlìtǔ]
粗粒土
英文
coarse grained soils-
In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light bleaching, preheat, anomalous fading, prior - ir exposure were investigated in this paper. for drawing adequate coarse grains from loess, quartz and feldspars, as well as loess, were etched by hydrofluoric acid and fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot using fine - grains and sar using coarse - grains
本文通過渭河流域全新世黃土的光曬退實驗,地表黃土樣品的d _ e值測定,細顆粒單片的預熱、反常衰退、紅外暴露實驗,說明釋光測年在全新世黃土中應用的可行性及單片再生劑量法( sar )在黃土細顆粒中的適用性;為了從黃土中分離出足夠的粗顆粒,進行了純石英和長石的氫氟酸( hf )和氟硅酸( h _ 2sif _ 6 )溶蝕實驗,黃土粗顆粒石英溶蝕分離實驗;通過細顆粒單片、多片的blsl 、 irsl和post - irosl ,熱釋光,及粗顆粒石英的blsl的年代測定,選擇適于全新世黃土的釋光測年方法,並建立了渭河流域全新世黃土的年代序列。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。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Failure probability of coarse aggregates ( pfca ) could be a sample index durability evaluation of concrete in compressive strength test, where pfca was the ratio of number of total particles to which of the broken ones of coarse aggregates in the failed faces of a concrete specimen
混凝土抗壓試驗中,粗集料破碎率p _ ( fca )可以作為混凝土耐久性的一個簡要評價指標,其定義為試件斷裂面上破碎的粗集料顆粒數與暴露的粗集料顆粒總數之比。Being lightweight aggregate, the chemical mineral constituents and physical mechanics properties of lytag are analyzed. meanwhile properties of haydite concrete using lytag as coarse aggregate are also studied. the influences on lightweight concrete qualities by introducing wollastonite and chemical admixtures are researched which proves the important roles of wollastonite and admixtures in construction of concrete platforms
分析了作為輕骨料的粉煤灰陶粒的化學、礦物成分和物理力學性能以及用它作為粗骨料配製出的輕質混凝土的各項特性;研究了摻入硅灰和減水劑等外加劑對混凝土的強度、耐久性和新拌混凝土可工作性的影響;說明了硅灰和化學外加劑在海洋平臺混凝土施工中不可或缺的作用。Coarse - grained impact resistant grades for mining, working of stones and rock, building, mineral oil industry, percussion and hammer drill tips, inserts for mining cutters, chisels, asphalt cutters, picks, inserts for concrete - working, hammer cheeks rolls, hot wire rolling, ball pressure dies, brake blocks
粗晶粒度的抗沖擊牌號,適用於采礦工業、採石、建築、石油鉆探工業、鉆頭和錘頭、礦刀的襯墊、鑿子、瀝青切刀、風鎬、混凝土製造的襯墊、錘子的滾軸、熱軋軋輥、子彈壓力沖模、剎車片。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 spreading gradation soil analyzed in the article is a cohesive coarse soil. it ' s a kind of crude soil - rook mixtures. it ' s often devided into fine material and coarse material by the save of 5mm and the charge of the two contents affects its project quality directly
本論文研究的寬級配礫質土指的是黏性粗粒土,是一種天然的土石混合料,其顆粒組成通常以5mm為界分為粗料和細料兩部分,這兩部分組成含量的變化直接影響到它的工程性質。Abstract : the authors discuss roundly source of loose earth fo r impact - deposit debris flow to develop taking pingchuan debris flow, one of the quite typical impact - deposit debris flows in southwest sichuan province , as an example in this paper. on the basis of detailed investigations in - situ, geotechn ial testing in lab and theory analysis, all results indicate obviously that moder ate and bulky loose earth in giant debris flow situating in southwest sichuan mo untainous area are main institute, whose tribulation are consistent with landform s. loose earth locating in mid - forepart catchment are quite unstable, so often be comes main source of loose earth of debris flow. formation of loose earth is cont rolled principally by geologic and geotechnical environment while human actions is the secondary factor for loose earth to form. in many times, human actions prov ide loose earth through loose earth stability
文摘:本文以極具典型的平川泥石流為例比較全面的分析了沖淤變動型泥石流的物源問題.根據現場調研及室內巖土分析進行的研究成果顯示,川西南高山深谷地區的大型泥石流溝中的鬆散土體以中、粗粒段為主,其分佈與地形密切相關;位於泥石流溝中、前部位的鬆散土體的穩定性最差,是補給泥石流的重要物源;鬆散土體的發育主要受控于地質及巖土環境,人類活動只能影響鬆散土體的穩定性Finally, the surface sands of the hsl are coarser at the present day than the past and the desertification of the land is currently rather rigorous
5 ,渾善達克沙地的沙漠化發展形勢嚴峻,目前有加速惡化的趨勢,表現為地表土壤嚴重粗粒化。Research on affecting factors of rising height of capillary water on coarse grained soil
影響粗粒土毛細水上升高度的因素研究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。Standard test method for capillary - moisture relationships for coarse - and medium - textured soils by porous - plate apparatus
用多孔板儀器測量粗粒和中等結構土壤的毛細管與水份關系的標準試驗方法Suggest the method of division to measure the largest compacted dry density of dam ' s material with super large diameter approximately. according to the research of predecessor, suggest applying the effective void ratio or the effective void rate to compute the coefficient of permeability approximately
採用了表面振動法進行室內最大幹密度的研究,提出了比例法近似測定超徑粗粒土最大幹密度;在前人研究的基礎上,提出採用有效孔隙率或有效孔隙比的滲透系數近似估算。It can be seen from this study that avoiding a hardened and impervious lump formed in calcination can accelerate al extraction from coarse metakaolin pellets, and a high leaching rate can be reached within a batch process
該研究結果表明,避免高嶺土球粒在煅燒時被「燒死」 ,能使粗粒煅燒高嶺土的酸溶反應易於進行。The foundation are formed by the inter - layer of fine and crude earth, in the different level of the layer, are distributed lenticular sand, which result in the poor uniformity
由粗、細粒土相互迭置成層,層內不同高程上有透鏡狀砂層分佈,均一性較差,地基可能出現不均一沉陷變形。This article emphasize on further realizing the engineering properties of coarse grained soil through test and research, enabling it to serve the society in a better way
如何通過試驗研究,進一步認識粗粒土的工程性質,更好地服務于土木工程建設是本文研究的重點。This article mainly emphasize on the classification of coarse grained soil from the viewpoint of engineering application ( content of coarse grains ), vibrating method is introduced in the shaping. meanwhile, research is made to the water stability and shear strength. through research, following conclusions are obtained : coarse grained gradation is the main factors to determine its shear strength, when the coarse grains content is over 70 % or around, the maximum shear strength appears : the grains itself have a bigger effect on the shear strength
以往對粗粒土的研究方法多採用擊實法,很少有人研究其抗剪強度特性,本文主要從工程應用的角度(粗粒含量)對粗粒土進行工程分類,成型方法採用振動法,同時對水穩定性、抗剪強度特性進行研究,通過研究得出以下結論:顆粒組成級配特性是決定其抗剪強度的主要因素,當粗粒含量在70左右時,抗剪強度最大;顆粒本身的特性對抗剪強度影響較大,顆粒越堅硬、大小顆粒相差越大、越不均勻、顆粒形狀越呈稜角狀、填築密度越大,抗剪強度就越高;含水量對抗剪強度的影響很小,可以忽略不計。分享友人