積土壓力 的英文怎麼說

中文拼音 []
積土壓力 英文
overburde re ure
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 壓構詞成分。
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward

    文摘: 1998年長江大洪水后開始實施的「平垸行洪,退田還湖」的地利用調整方案,從長遠來說應尋求農業安全且收入逐漸提高條件下的地利用,長江中游地區應極推進農業現代化,提高農業勞動生產率,轉移,減少分蓄洪區的人口,移民建鎮,對區內的地要促進其規模經營,由優秀的有文化的農民經營,平時只有少量的直接從事農業生產的經營管理人員,農忙時則大量地使用季節性合同工或實現機械化,大洪水時退田還湖,減輕長江幹流大洪水的,減少分洪與特大洪災時的損失,這樣還可促進避洪、冬季農業等的發展,也有利於長江中上游地區陡坡耕地的退耕還林,還可在糧食充足時進行休耕,在旱災、糧食緊張時擴大糧食生產?
  2. This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action

    考慮了乞今最為全面的初始條件和邊界條件,包括模擬壩體的實際升程過程,考慮了新老混凝接觸面上的初始溫度不連續,逐日的氣溫變化,混凝的入倉溫度,水化熱溫升,邊界保溫,水庫蓄水過程,澆築間歇以及灑水養生等因素;應場的計算考慮了混凝的自重,靜水,溫度應,常態混凝與碾混凝不同的自生體變形,混凝的彈性模量隨齡期的變化以及徐變的作用。
  3. In addition, aspiration for increasing the average flat size adds further pressure on land requirements

    此外,由於增加平均居住面成為社會普遍期望,因此對地需求也構成重大
  4. High proportions of poverty mountain regions are distributed all over the country and have many common characteristic as follows rugged ground convenient communication and information, low life level of the residents fragile ecosystem, scarce resources of water and soil, great environmental pressure, etc. located in the southeast of chongqing municipality, qianjiang district is one of the major poverty counties named by the sate council moreover, located at the vital organs part of china, transition region between the west and east, and the juncture of the four provinces ( chongqing, hubei, hunan, guizhou ) likewise, close to the region of the three gorges dam

    我國貧困山區面廣大,遍布全國東西南北,有許多共同特徵;地表崎嶇,交通不便,信息不靈,經濟落後,人民生活貧困,生態脆弱,水資源稀缺,環境大等等。黔江區位於重慶市東南部,是國務院確定的重點貧困縣,是我國的一個具有典型意義的貧困山區,位於我國腹心地區和中、西部過渡地帶,地處渝、鄂、湘、黔四省市的結合部,又緊鄰三峽庫區,地理位置十分重要。
  5. Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉有利相帶控制外,還與地層異常的作用密切相關.研究認為隴東地區異常的形成機理主要由於成巖過程中粘礦物脫水作用.粘礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法
  6. Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉有利相帶控制外,還與地層異常的作用密切相關.研究認為隴東地區異常的形成機理主要由於成巖過程中粘礦物脫水作用.粘礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法
  7. In this paper, the formulas of dynamic parameters provide good method to determine the dynamic parameters, which can reflect the influence of many factors such as the property of soil, the base area of foundation, the pressure of foundation, the exciting frequency and so on

    本文得到的地基剛度、參振質量和動影響深度的計算公式能較好地反映地基體性質、基底面、基底和擾頻等諸多因素對它們的影響,為更準確地確定機器基礎系統的動參數提供了一種較好的途徑。
  8. The reason for the failure of loosely residual soil slopes triggered by rainfall is that the contractive failure caused by the penetration of rainfall, giving rise to a high excess pore pressure which reduces shear strength of the soil. the soil is prone to flow slide after failure under the action of gravity due to its high moistu re content

    蔣家溝地區坡殘斜坡在暴雨條件下的破壞是由於降雨入滲導致體發生剪縮破壞,破壞後體的孔隙水升高形成超孔隙水體強度降低、破壞迅速擴展所致,因而大多數斜坡呈流滑型破壞並具有突然性破壞特點。
  9. The researches of dynamic behavior and liquefaction potential of saturated sands have been further. however, more and more macroscopic liquefaction phenomena and experimental investigations show that different depositional environments lead to different structure of soils, while the influence of structure property of soils on liquefaction resistance is no less than that of density and consolidation stress and so on. ancient alluvial flat deposits, namely recently deposited soils, are easier liquefaction during earthquake

    對於一般飽和砂的動特性和液化勢的研究已比較深入,然而,愈益增多的宏觀現象和試驗研究表明,由於的沉環境不同而導致的結構性的差異,而的結構性對抗液化能的影響並不亞於密度、固結等因素,古河漫灘堆物即新近沉在地震當中更容易液化。
  10. The corresponding programs in matlab language were presented for various operating mode computations. thus, the excess pore - pressure and void ratio distribution along space - time could be derived. the degree of consolidation, which could be expressed by excess pore - pressure or deformation, was derived for various operating mode and its ’ characteristics along space - time showed rules of warping soil consolidation under osmotic pressure

    應用matlab語言編制計算程序對各種工況的超孔隙水消散、孔隙比隨時間和空間的變化進行了求解,對各種計算工況得到的以孔和變形表示的固結度的變化規律進行分析,說明滲作用下淤填粘的固結隨時間和空間的非線性分佈特性。
  11. The rapid development of economy, rapid process of urbanization and the continuous increase of population bring more and more stress to arable land, the total area of arable land and the average area per head of arable land decrease increasingly. and with the improvement of the people ' s standard of living, requirement to farm produce is higher. population, land and grain will be in strained state

    當前我國經濟的迅速發展、城市化進程的不斷加快,及人口的持續增長對耕地造成的越來越大,耕地總面及人均耕地面日益減少,且隨著人民生活水平的提高,對農產品的需求越來越高,人口、地和糧食三者之間的矛盾日顯突出。
  12. Agricultural intensification plays an important role in stabilizing the food production in china, while bringing about an increasing negative impact on the soil and eco - environment as a result of the long - term highly - intensive land use and agricultural chemical overuse, thus leading to degradation of soil physical, chemical and biological properties, which are demonstrated as soil nutrient imbalance, soil acidification, pollutant accumulation, and biodiversity deterioration and posing serious stress and threat to the ecosystem per se and the environment

    摘要集約化農業對保障我國糧食安全發揮了巨大的作用,但其長期的地高強度利用和農用化學品過量投入的負面影響也日益顯現,導致的以壤養分失衡、壤酸化、有害物質累、生物多樣性衰退等為主要表現形式的壤物理、化學和生物學退化,給生態系統本身與環境都帶來了巨大和嚴重威脅。
  13. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大發展工程樁的實驗室承載監測方法與設備、如何使方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段,這對指導施有極、現實意義;提出了綜合運用朗肯理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡體應及應變的變化情況,指出粘地區也應考慮時間效應,並且進一步分析了基坑邊坡體的塑性區形成和發展,找出邊坡最不利的區域,以確定地下室體的挖掘的方式和順序,指出憑主觀臆斷與經驗來施工是不可取的;在分析、經較逆作法與大開挖順作法的地下室結構體系受情況及施工順序的不同,提出了節點處理技術;分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振動對體邊坡穩定產生影響的觀點,並分析了在環境振動影響下,體的應狀態及休失穩破壞概率,並且還運用彈性學知識和數學分析的方法定量地分析了地下混凝墻受狀態,指出了被監測墻體的最大應、應變位置。
  14. By using the constitutive model, we can establish the creep and consolidation model, the variation trend of super pore water pressure and the development of viscoelastic settlement and viscoplastic settlement. at last forecasting the long term creep settlement in the metallurgy industrial estate at the backward position of haihe river in tianjin

    並利用此本構關系建立蠕變與固結模型,計算出層在大面作用下超靜水發展趨勢,同時得出其粘彈性、粘塑性沉降發展趨勢,最後對冶金工業區軟長期蠕變沉降作出預測。
  15. When the axial compression ratio increases more than 0. 42, the variation of the displacement ductility ratios is small ; when the stirrup ratio per unit volume increases more than 1. 9 %, the displacement ductility increases slowly ; with increasing the shear span ratio a, the displacement ductility increases for, < 1. 5, decreases for > 1. 5

    當軸系數增加到0 . 42以後,位移延性的變化較小;體配箍率增加到1 . 9 %后,位移延性的增長減緩;當剪跨比小於1 . 5時,型鋼混凝柱的延性系數隨剪跨比的增加而提高;但當剪跨比大於1 . 5時,隨著剪跨比的增加,型鋼混凝柱位移延性系數有所降低。
  16. The influences of soil structure, confining pressure and strain amplitude on dynamic properties of recently deposited soils of nanjing and its surrounding areas are discussed. furthermore, based on test results and theoretical analysis, the averaging curves, recommended values and envelopes of dynamic shear modulus ratio ggmax and damping ratio versus dynamic strain for recently deposited soils of nanjing and its surrounding areas are presented. by use of vibration triaxial apparatus, nanjing silty clay and fine sand interbedded strata and nanjing fine sand were tested and their test results are discussed

    通過自振柱試驗,探討了的結構性、有效圍和應變幅值大小對動荷載作用下南京及其鄰近地區新近沉的動剪切模量、阻尼比和應?應變關系的影響;通過試驗和理論分析,給出了南京及其鄰近地區的粘、淤泥質粉質粘、粉質粘、粉質粘與粉砂互層、粉以及砂等六類新近沉中典型類的動剪切模量比和阻尼比隨剪應變幅值變化的平均曲線、包絡線和推薦值。
  17. Then, mechanical responses of pavement structures were analyzed with elasticity theory, based on actually applied pattern of heavy loading, analysis method of ultimate bearing capacity of pavement structures was proposed, and the factors affecting ultimate bearing capacity were analyzed also, which provided a theoretical basis for the restriction of alex load

    其次,根據實測荷載作用面和計算輪胎接地,計算了重荷載作用下水泥混凝路面結構的學響應,提出了分析混凝路面極限承載的方法,並分析了極限承載的影響因素,為限載提供了理論依據。
  18. Through the static and standard traffic cyclic loads, the responses of the pavement and subgrade have been attained. the studies on these responses such as elastic deformations, accumulative settlements and stress have been made under the changed characters of subgrade, such as moisture content, relative compaction of subgrade. the results of the experiments show that superfluous moisture content increases the vertical stress and the settlements of the construction under the similar relative compaction

    通過靜加載和模擬路面承受的豎向交通荷載的重復加載試驗,研究了路面路基結構在雙輪車輛荷載作用下的動靜態響應,分析了路面路基結構在浸水狀態(層含水量增加)和實密度降低等不利因數的影響下,路面路基各結構層的動靜學響應特性,如彈性變形、累下沉、等的變化規律。
  19. Numerical models were used to study how the infiltration into a slope varies with the rainfall intensity, rain fall duration, soil properties and how the infiltration influences the stability of a slope. a numerical program is coded to solve the transient seepage field by using the finite element and finite difference methods based on the saturated - unsatured soil seepage theory. a model for considering the variations of soil weight and shear strength is created / constructed and the corresponding program is coded

    本文針對受降雨影響顯著的非飽和殘坡,運用飽和?非飽和壤水分運動的理論和二維非穩態滲流有限元模型,模擬雨水入滲引起的暫態滲流場,將計算所得到的暫態孔隙水分佈用於考慮了基質吸影響的坡穩定安全系數的計算當中,建立了考慮非飽和坡從雨水入滲到出現滑坡危險全過程的計算模型。
  20. At the same time, the economic is developing, the traffic equipment in city, especially the recoverable amount of the automobile is increased rapidly, but because the elastic coefficient that the area of the road of area that builds up city increases is very small, the city road was built and has not slowed down the traffic pressure in the city very well, this kind of pressure has brought very big restriction to development of the city

    同時隨著經濟的發展,城市機動化設備,尤其是汽車的保有量迅速增長,但由於城市建成區道路面增加的彈性系數甚小,城市道路建設並沒有很好地減緩城市交通,這種給城市的發展帶來了很大的制約。大運量、準點、佔地面小、污染少的軌道交通為解決城市交通、地利用以及城市的協調永續發展提供了有效的解決途徑。
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