流砂土 的英文怎麼說
中文拼音 [liúshātǔ]
流砂土
英文
quick ground-
The soil is classified to tidal sandy soil, derived from river alluvium with sandy loam texture
土壤分類為河流沖積土發育的潮汐沙土，砂壤土質地。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。This paper, based on the grain - size analysis and the comparative result of the mz - o scatter gram of ancient aeolian sands in milanggouwan section with the modern dunes in mu us desert, holds that fossil eolian dunes are a proxy of the dune activation, and be regarded as " desert process ", while the overlying fluvio - lacustrine and palaeosols on the dunes are regarded as inter - desert process
文中根據粒度分析及古今砂丘的mz ?散點圖比較結果，認為古代風成砂丘特別是古流動砂丘是砂丘活化的體現，視為「沙漠期」 ，而砂丘上覆的河湖相沉積與古土壤發育則可視為「間沙漠期」 。Situated at the southeast of the mu us desert, ordos plateau, the milanggouwan stratigraphical section in the salawusu river valley keeps a record of 38 sedimentary cycles of alternate evolution of the aeolian dune layers with the fluvio - lacustrine facies and palaeosols since 150 ka bp
位於鄂爾多斯高原毛烏素沙漠東南邊緣的薩拉烏蘇河流域的米浪溝灣剖面，記錄了150kabp以來的38個風成的砂丘砂與河湖相和古土壤交替演化的沉積旋迴。This paper first discusses the cause of crack formation and crack mechanism of high performance concrete. then carries out crack tests of three groups of concrete slabs using aggregate type, sand rate and dosage of fly ash as design parameter
本文初步探討了泵送高流態混凝土的裂縫成因和開裂機理，並分別以骨料品種、砂率以及粉煤灰摻量為設計參數進行了三組配合比混凝土平板的抗裂試驗。The sorting research of sandy land in xiaojiang catchment area of yunnan province
雲南省小江流域砂化土地整理研究Lt covers 337, 000 km ~ 2 with the heature of flowing in recent years, the focus area of oil exploit is moved to west chira accordingly, the engineering characteristics of desert sand are drawing more and more ettenti of civil engineer
塔克拉瑪干沙漠是我國面積最大的沙漠（ 33 . 7萬平方公里） ，也是世界上第二大流動性沙漠。近年來，隨著石油開發重點的西移，沙漠砂的巖土性質引起了廣大工程技術人員的注意。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Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation
確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ；在排土場新造地貌上，擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 （ 2 ）以南排土場徑流試驗場長期的定位觀測為基礎，對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究，確定了徑流和土壤水蝕的主要影響因子及其臨界值，建立了產流產沙的經驗模型。Based on the principles of designs of self - compacting and light aggregate concrete mix, sclc of lc30 - lc50 was developed by using absolute volume method. the main factors affecting the workability of sclc were studied by adopting the modified l - 800 fluidity instrument. the results indicate that the key techniques insuring good workability of sclc are about 30 % first - grade fly ash, about 50 % volume sand ratio, 2 % ~ 6 % dosages of silicon fume and compounded superplasticicizers with viscous ingredient
採用改進l - 800流動儀，研究了影響lc40自密實輕骨料高性能混凝土工作性的主要因素，結果表明：粉煤灰摻量保持30左右，硅灰摻量為2 6 ，體積砂率為50左右和摻加具有粘塑組分的復合高效減水劑是保證sclc拌合物具有較好工作性的關鍵。Moreover, the main components of h mineral admixture is procured from industry waste, and its " production procedure is simple, so its " production cost is very low. the most tightness pile up theory and rheology is successfully applied in the designation of self - compacting concrete, and the factors such as sand rate, aggregate grading, paste content and mineral admixtures are been studied. under the guidance of mix design theory and on the basis of mass experiments, c20 - c80 high performance self - compacting concrete is been produced
將最緊密堆積原理和流變學原理相結合，運用於免振搗混凝土配合比設計之中，系統地研究了砂率、集料級配、水泥漿量、礦物摻合料等因素對免振搗混凝土物理力學性能、工作性能、耐久性能的影響，成功配製出從c20 - c80及以上強度等級的高性能免振搗混凝土。The results show that the damages to the appearance of concrete structures exposed to atmosphere, including honeycombing, cracking along rebar, rebar corrosion, and concrete delamination, are quite serious, that the poor quality of concrete construction, the insufficient thickness of local concrete cover, and the rebar corrosion expansion and dilatancy induced by carbonization of concrete cover are the main causes, and that the main form of damages to the overflow structure is the abrasion resulted from water scouring
結果表明，水閘的水上（大氣中）混凝土結構外觀破損十分明顯，露石露砂、順筋裂縫、鋼筋銹蝕、混凝土破損剝落等已十分嚴重；引起破壞的主要原因是混凝土施工質量較差，局部保護層厚度不足，混凝土保護層碳化引起鋼筋銹蝕脹裂，而水流沖刷磨蝕是水閘過流結構破壞的主要形式。Deep foundation trenches in shallow rocks in some cities along a seashore like qingdao, dalian, zhuhai things like that often need to be dug or exploded into hard rock, there are heaving sand, soft soil, groundwater upon it
青島、大連、珠海等基巖埋深淺的沿海地區深基坑經常需要挖至基巖甚至需要爆破開挖，基巖以上又有流砂、軟土、地下水等。Based on some examples, geologic hazard problems, such as earthquake, geofracture, ground subsidence, collapse, water environmental depravation, landslide, dilapidation, mudrock flow, float sand, piping and yielding soil deformation etc., are summed up generally during the course of development for chinese cities
以實例的形式，概要總結了中國城市發展過程中存在的地震、地裂縫，地面沉降、塌陷，水環境惡化，滑坡、崩塌、泥石流，流砂、管涌、軟土變形等地質災害問題；根據產生地質災害的動力作用性質，對地質災害進行了分類。Cadmium ( cd ) is one of the mostly polluting heavy metal. first, to characterize the adsorption property of cadmium, cadmium adsorption isotherms in soils were determined by the batch experiment, and the adsorption parameters were obtained ; second, miscible displacement experiments were carried out in saturated homogeneous soil columns under steady - state water flow, and the dynamics of flux concentration of cadmium leached in soils were measured
首先，用批量平衡法開展了鎘在砂質壤土、壤質砂土和粉壤土中的吸附特性的試驗研究，獲得吸附常數；其次，採用易混合置換實驗的方法，對其在穩定流場飽和土壤中的運移進行了室內研究，獲得了目標溶質鎘在定濃度輸入條件下的出流液濃度動態。An analysis of land - use change in changchuan watershed, a soft sand - rock area at the middle reach of yellow river
黃河中游砒砂巖地區長川流域土地利用變化分析This mode of damage is essentially analyzed with a simple static approach by comparing post - earthquake residual strength of sand with initial stress due to gravity. the other involves limited, but often large, amount of deformation due to significant reduction in soil stiffness but without involving mechanism of failure in soil
一種為飽和砂土的強度的降低而導致的完全流動破壞；另一種為不涉及土體的破壞機理，但由於土體勁度的降低而產生有限的大變形，稱為循環活動性。The plane strain tests of sand and clay, and the emergence and development of shear bands were simulated numerically by pfc to analyze the stress - strain relationship curves of pfc models and test results under different confining pressures
對砂土和粘性土的室內平面應變試驗及其剪切帶形成和發展進行了數值模擬，分別對比了不同圍壓下顆粒流試樣與室內試驗的應力應變關系曲線，基本再現了砂土和粘性土試樣應力應變關系。Based on the theory of particle flow, particle flow code ( pfc ) model of sand and clay were constituted respectively by adopting the different particle contact constitutive relationships
摘要本文基於顆粒流理論，引入不同的顆粒接觸連接本構模型，分別建立了砂土和粘性土的顆粒流模型。As we know, when meeting these soils, many breakdown and danger will occur, such as the blockings, which has attracted attention of many construction personal on site. however, at present, there exist many unknown fields in blocking. firstly, the definition of blocking is not interpretative
但是，如果地層是粘粒含量較少的卵石層、砂土地層、風化巖地層，進入壓力艙的土體就很難形成這種「塑性流動狀態」 ，從而嚴重阻礙施工進程甚至造成施工事故，閉塞就是常見的一種施工障礙，已經引相關方面的重視。分享友人