負土壓力 的英文怎麼說

中文拼音 [fùtǔyālì]
負土壓力 英文
soil suction
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 壓 : 壓構詞成分。
  • 力 : 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. The characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation

    高壓旋噴注漿技術具有適用范圍、適用地層較廣，施工方便，耐久性好，材料廣闊等特點；其加固地基機理主要是通過流動壓、噴射流的脈動負荷、水塊的沖擊力、空穴現象、水楔效應、擠壓力、氣流攪動等效應形成水泥固結體與樁間土的復合地基，從而提高地基承載力，減少沉降變形。
  2. Also the concrete structure ' s service life may be threatened by the negative pressure occurred when waves se parate from the subface of the structures

    另外當波浪離開上部結構底面時產生的負壓力作用對混凝土結構的耐久性也是一個很大的威脅。
  3. The calculating method of critical seepage gradient is brought forward through the mechanics analysis of the soil unit. seepage gradient is divided into three different distributing style, through the analysis of data from sensors, on the basis of the position of the end of bucket foundation and the maximum seepage gradient

    通過對土單元體的力學分析，提出滲流出口的臨界滲流梯度的計算方法，根據桶基端部處是否出現最大滲流梯度，對負壓沉貫過程中滲流梯度的分佈形式進行了劃分。
  4. Firstly, the author has researches on basic engineering properties of soil layers in tunneling construction, especially in the relationship between the changes of matric suction ( negative pore water pressure ) and soil strength data. the results have obviously shown on the control of soil strength to matric suction in the different suction

    首先對地鐵隧道施工中環境土層基本工程性質進行了研究，著重研究了基質吸力（負孔隙水壓力）的變化和土的強度參數的關系，研究結果表明：在不同的吸力狀態下，土的強度都不同，土的強度明顯地受吸力控制。
  5. 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，但其長期的土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，導致的以土壤養分失衡、土壤酸化、有害物質積累、生物多樣性衰退等為主要表現形式的土壤物理、化學和生物學退化，給生態系統本身與環境都帶來了巨大壓力和嚴重威脅。
  6. Meanwhile, according to the assessment cell of small watershed, the paper evaluates each index and compositive index. the paper can provide scientific bases for both protection and use of wetland by disclosing the spatial distributing rules and analyzing the impact on environment brought because of exploiting. the study shows that 1 ) in the structure of wetland ecosystem health of panjin city in 2000, better area accounts for 22 %, generic area 52 %, worse area 26 % ; 2 ) in shuangtaizi national wetland nature reserve, the health of many regions is better, the one of partial regions is threaten, the area of wetland is decreasing ; 3 ) in the period from 1986 to 2000, paddy field, shrimp and crab pool were increased, swamp and biodiversity were decreased gradually, and the environment of wetland was polluted gradually

    本文以生態系統學、景觀生態學、生態系統健康、區域可持續發展等理論為基礎，根據聯合國經濟合作開發署提出的壓力-狀態-響應（ psr ）框架模型，以遙感數據及統計監測數據為基礎，採用rs 、 gis 、 gps技術，結合數理統計和數學模型方法，提取土地利用/土地覆蓋信息、濕地類型信息、小流域信息、濕地景觀指數、濕地初級生產力、濕地人口壓力指數、濕地蓄水量、濕地污染物負荷、濕地變化等數據，建立盤錦市濕地生態系統健康數據庫，以小流域為評價單元，對每個小流域濕地進行單因子和綜合評價，揭示盤錦市濕地生態系統健康狀況的空間分佈規律，同時對濕地資源開發造成的環境影響進行剖析，為濕地資源的保護與利用提供科學依據。
  7. Based on the results from both laboratory test and field application of vacuum preloading it can be concluded that soil is water - saturated in the processes of vacuum consolidation or vacuum preloading. thus, the consolidation properties in negative - pressure area cannot be calculated by using the theory based on non - saturation soil. negative pore - water pressure and suction were specified

    在室內試驗及現場試驗基礎上，證明真空預壓加固地基過程中，負壓區土體仍是飽和的，不能用非飽和土理論來計算負壓區的固結性狀，並辨析了負壓與吸力的概念。
  8. Originally from green concrete and concreting in minus - temperature, the critical strength of frozen injury of minus - temperature calcium - enriched fly ash concrete and the rule of strength development are studied in this paper. through the test of resistance of freezing - thawing cycles and chloride diffusivity, the influence of curing system and calcium - enriched fly ash on the performance of concrete are studied ; and through the modern methods ( xrd, sem, and so on ), the hydration products, pore structures and microstructure are studied

    本文既著眼于綠色混凝土，又致力於混凝土的負溫施工，研究了增鈣粉煤灰混凝土的抗凍臨界強度及其負溫抗壓強度發展規律;通過快凍試驗和氯離子滲透試驗，研究養護制度和增鈣粉煤灰摻合料對混凝土耐久性能的影響;並通過光學顯微鏡法、掃描電鏡和xrd等現代分析方法，研究負溫增鈣粉煤灰混凝土的水化產物、孔結構和顯微結構。
  9. F the continued urban development of guangdong and hong kong generates pressure on the air and water quality, land and ecological conditions of both places

    六粵港兩地不斷的城市發展，對兩地的空氣質素水質土地及生態環境，造成沉重的壓力，亦加重現有環境的負荷。
  10. The continued urban development of guangdong and hong kong generates pressure on the air and water quality, land and ecological conditions of both places

    （六）粵港兩地不斷的城市發展，對兩地的空氣質素、水質、土地及生態環境，造成沉重的壓力，亦加重現有環境的負荷。
  11. A preliminary analysis of the suction penetration mechanism is made, the influence of negative pressure on the penetration resistance and soil character are studied in conbination with the cb20b platform field test data, and the relationship between negative pressure, penetration depth and penetration speed are summarized

    對負壓沉貫的機理進行了初步分析，結合cb20b桶形基礎計量平臺的現場測試數據，研究了負壓對桶形基礎沉貫阻力的影響及對土壤特性的影響，同時對負壓、沉貫深度、沉貫速度之間的關系進行了總結。
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