水力挖土 的英文怎麼說
中文拼音 [shuǐlìwātǔ]
水力挖土
英文
hydraulic excavation-
According to the multi - areas development strategy, the corporation has expanded its business to engineering and construction of all kinds of civil works, municipal and public works, marine works, dredging and reclamation works as well as manufacture and installation of hydraulic steelworks and electro - mechanical equipment, with the major annual capacity of 150 million m3 in earth and rock works, 15 million m3 in concrete production and placement, 10, 000 mw in installation of generating units, and 150, 000 tons in manufacture and erection of hydraulic steelworks
根據多元化發展戰略，集團公司的業務范圍除水電工程總承包外，還將業務擴展到各類土木工程、市政工程、海事工程的設計、施工、機械設備和金屬結構製造安裝等，核心競爭力進一步得到擴展和增強，形成了年完成土石方開挖15000萬立方米、混凝土澆注1500萬立方米、發電機組安裝1000萬千瓦、鋼結構製作安裝15萬噸的綜合施工能力。If provided with high pressure pump and water gun, it can make up a hydraulic mechanized earth work unit, used for ground leveling, dredging in rivers and pools, digging, excavation and transportation in small hydraulic engineering, as well as the air defense and underground project in cities
若與高壓水泵，水槍配合，組成水力機械化土方工程機組，就可用作于土地平整，河道與池塘的疏浚、鑿開等小型水力工程的挖方與輸方，以及城市的防空工程，地下工程。Whole days have i passed in these titanic efforts, considering my labor well repaid if, by night - time i had contrived to carry away a square inch of this hard - bound cement, changed by ages into a substance unyielding as the stones themselves ; then to conceal the mass of earth and rubbish i dug up, i was compelled to break through a staircase, and throw the fruits of my labor into the hollow part of it ; but the well is now so completely choked up, that i scarcely think it would be possible to add another handful of dust without leading to discovery
我整天都做著這種非人力所及的工作，如果到晚上我能挖下一寸見方這種堅實的水泥，就認為自己是很不錯的了。你知道，這種水泥，由於年代已久，簡直如同石頭一般難挖。然後，我又得把挖出來的大量泥土灰沙藏起來，我不得不掘通一條樓梯，把它們扔到樓梯底下的空隙里。In order to make the agriculture and rural economy of this area keep on fast, persistent and stable developing, it must be on the basis of controlling soil erosion and improving eco - environment, and on the advanced science and technology to combine enhancing yields of main farm product with increasing peasant ' s incomes, to support resource exploitation, and to raise technical level of agriculture industry
從渭北旱原資源開發歷史和經驗中可得出，該區域實現農業和農村經濟持續發展的途徑和措施是：以提高水資源利用效率為中心，以挖掘資源潛力、充分發揮資源優勢為基礎，以科技進步為先導，著力提高農業產業技術水平，以控制水土流失、改善生態環境為前提，把增加重要農產品產量與增加農民收入統一起來。Based on the available rule of variation in undrained shear strength during excavation, and the basic idea of the merchant model, this paper presents a constitutive relationship for saturated cohesive soils, capable of taking into account both stress path and time - dependent effect. it ' s named by the author as modified merchant model
本文根據前人基坑開挖前後土的不排水抗剪強度變化規律的研究結果，並結合merchant模型的思想，提出了能同時考慮開挖應力路徑和應力應變隨時間變化的飽和粘土應力應變關系，亦可稱之為修正merchant模型。Through the analysis and calculation the conclusion can be made that during the process of the timbering of excavation, the magnitude of soil stress decreases with the increase of the displacement on the base of the still earth pressure, and the earth pressure distribution varies from the triangular distribution of the still earth pressure to other distribution with the displacement of the timbering structure. the thesis introduces the bedding coefficient in the horizontal direction varying with the soil displacement from soil - structure interaction mode, therefore calculation can be made to get more rational calculation result using elastic foundation finite element method which is the same to timbering structure both upwards and under excavation surface
通過分析計算可以得出，在基坑支護過程中，土壓力的大小在靜止土壓力值的基礎上隨支護結構向坑內側位移增大而減小；土壓力的分佈由靜止土壓力的三角形分佈隨支護結構位移變化成其它分佈；由土-結構共同作用模式引入隨土體位移變化的水平向基床系數，使支護結構在開挖面以上部分同以下部分一樣，均可採用彈性地基有限元法進行計算，得出更為合理的計算結果。Centrifuge model test technique preferably solves two problems : one is the gravity loss of the model soil, the other is the coupling problem between the seepage field of the ground water and the stress field of the stratum, which is a guidance for other deformation controls under the similar condition
離心模型試驗技術較好的解決了在地下工程研究中模型土體的自重損失和地層位移分析中地下水滲流場和地層應力場相互耦合作用問題，對于在相似條件下富水地層隧道開挖施工如何控制地表沉降變形的研究方面具有指導意義。Based on analysis of the characteristics of the composite soil nailed wall, simulating the soil nail, concrete layer, deep mixing pile and step excavation, a model is established to calculate the deformation of the wall, compiled simple and applied program of one dimension fem ; according to the field test data and the calculated data by the fem software this paper has developed, the design method and deformation of the wall in xi ' an area is discussed. the shape of destructive sliding surface of the wall in loess strata in xi ' an area with deep groundwater is gotten. finally the lateral deformation distribution and the experiential formula to predict maximal horizontal displacement of the composite soil nailed wall are given
針對復合土釘墻構造的特點，建立了模擬復合土釘墻受力變形的一種計算模型，該計算模型可對土釘、面層、深層攪拌樁以及分層開挖等進行簡化模擬；編寫了簡單實用的桿系有限元程序；結合工程實測資料及有限元法分析的結果，探討了西安地區的土釘設計以及復合土釘墻的變形規律，得出了西安地區一般黃土在無地下水時的破壞滑動面形狀，復合土釘墻的側向變形曲線以及計算復合土釘墻最大水平位移的經驗公式。Aiming at crack problems in important hydraulic concrete structures, the cause, evolution rule and abnormality diagnosis of the crack are studied in this dissertation by using advanced theories and mathematics and mechanics, such as rough set theory, data mining, neural network, wavelet analysis, chaos theory, and so on, combining with prototype observation data. the main contents are as follows. ( 1 ) mining of cause of crack is proposed by using logic diagnosis, rough set theory, and data mining technique
本文針對重大水工混凝土結構運行期的裂縫問題，應用粗集理論、數據挖掘、神經網路、小波分析、混沌理論、突變理論等前沿數學方法及斷裂力學等力學方法，以及數值模擬等數值模擬方法和邏輯診斷方法，結合實測資料，對運行期裂縫的成因、演變規律以及轉異診斷等方面進行了系統的研究。The soil ' s stress path has important effects on the retaining wall ' s lateral deformation and the soil ' s deformation during the excavation of foundation pit. an experiment simulating the soil ' s stress path behind the wall has been carried out with the stress - controlled triaxial instrument. the principle stress ratio keeps constant during consolidation and the soil samples are permitted to drain during unloading process
利用應力式三軸儀對基坑開挖過程中圍護結構后側土體變形影響較大的因素：土體的應力路徑進行了試驗模擬，試驗是在等主應力比固結后側向卸荷而軸壓不變的排水情況下進行的。The sliding resistance mechanism of deformable earth bodies by means of well point drainage lies in lowering the underground water level to reduce the water content of the earth bodies and raise the shear strength, improve the stability of the deformable earth bodies and increase their sliding resistance
摘要井點降水常用於地下水位高出開挖建基面許多或含水豐富的土體基坑工程中，井點降水在土質變形體中的抗滑作用機理在於，通過井點降水，降低地下水位，使土體的含水量減少，提高其抗剪強度及變形體的穩定性，增加其抗滑力。The plane fem model analyzes the behaviors of deep excavation, and the step - excavation effect during excavation is studied such as the horizontal displacement of the retaining wall, ground settlement and the forces in struts
利用平面有限元模型對深基坑工程的開挖性狀進行了分析，研究了開挖過程中圍護結構的水平位移、墻後土體的地表沉降、支撐力等的分步開挖效應。In this article, geotechnical engineering numerical analysis program flac4. 0 is used, working mechanism and main influential factor of composite soil nailing system with step excavation was calculated in detailed, contain distribution and influential factors of axial force and the max axial force in soil nails ; the variation of axial force in anchors ; the variation and influential factor of foundation pit horizontal displacement, ground surface settlement, ground surface horizontal displacement and rebound deformation
本文採用巖土工程數值分析軟體flac4 . 0 ，對樁錨復合土釘支護在分步開挖下的工作性能和主要影響因素進行了詳細的計算，分析了土釘軸力和最大軸力的分佈規律、影響因素;錨桿軸力的變化規律;基坑水平位移、地表沉降、地表水平位移和坑底隆起的變化規律以及影響因素的敏感程度。Secondly, on the basis of mechanic properties analysis, applying the stress - strain model of lateral unloading which can reflect the decrease change of principal stress state in the excavation progress of slope, dividing excavations slope into cutting slope and sharpen slope, numerical simulation is respectively carried through in order to analyze the impact of changing of slope type, slope height and stratum water content on the slope stability
其次，在試驗研究的基礎上，應用能夠反映黃土挖方邊坡大、小主應力減小變化的圍壓卸荷剪切應力應變模型，將挖方邊坡區分為路塹邊坡和削坡，通過數值模擬開挖過程分析了坡高、坡型、坡比及地層含水量變化對邊坡穩定性的影響。First, considering the change of stress conditions in excavation slopes by means of triaxial equipment, the triaxial tests of three kinds of stress paths of q3 and q2 loess, including lateral unloading, keeping mean normal stress changeless and conventional axial loading, is carried out under different water content and consolidation stress conditions
本文就黃土挖方高邊坡工程問題，首先在三軸儀上考慮邊坡開挖過程應力條件的變化，進行了q _ 3 、 q _ 2黃土不同含水量條件下圍壓卸荷、等p剪切及軸向加載三種應力路徑的試驗。This paper analysis the seepage deformation caused by tunneling in nanjing area from hydrogeology, soil structure and mechanics etc
摘要本文從水文地質條件、土體結構和力學性質等方面分析了南京地區土層中隧道開挖所引起的滲透變形問題。Meanwhile, it does not need a extra time to be carried out. it can continuously work during the excavation of trenches, so whole work cycle can be reduced. anchors and layers of shot concrete have replaced the traditional steel frames and piles, including concrete piles, steel piles, and they can largely economize construction materials, such as steel and concrete, reduce the amount of soil that would be excavated out, and improve work conditions
錨桿施工機械及設備作業空間小，可為各種地形及場地使用，同時，它不獨占工期，而隨基坑開挖同步、流水進行，節約工期;用錨桿及噴射硅面層代替傳統的鋼支撐和樁（硅樁、鋼板樁） ，能夠大量節省鋼材、硅等建材，減少土方開挖量且能改善施工條件;其次錨桿的預加應力可以通過抗拔實驗來獲得。The paper draws some valuable conclusions : the limited bearing capacity of manual excavation filling pile is much higher than the limited bearing capacity of machine drilled filling pile ; through grouting injection around the pile shaft, the pile bearing capacity can be effectively improved ; proportion of resistance force around the pile side in total load is much larger than that of pressure on the pile tip, and the intensity of resistance force around the pile side is 30 - 50kpa on average
得出一些有價值的結論：人工挖孔灌注樁的極限承載力明顯高於鉆孔灌注樁的極限承載力；地下水位對樁基承載力有顯著影響；利用樁側注漿可有效提高樁的承載力；樁側摩阻力所佔總荷載的比例遠大於樁底壓力，樁側土的摩阻強度平均值為30 50kpa 。In this thesis, based on the principles of hydraulic mechanics and soil mechanics, the change of effective stress in soil mass and the settlement of ground surface induced by dewatering during excavation both in homogeneous soil and in layered soil were studied. analytical formulas for calculating the settlement and the others were derived under the assumption that the seepage induced by dewatering is one - dimensional and vertical
本文運用水力學和土力學的基本理論，在一維豎向滲流的假定下對均質土和成層土中基坑開挖降水引起的坑內外土中應力變化及周圍地表沉降的計算方法進行了較深入的研究，推導了相應的地表沉降等計算公式。A large number of scientists have made a lot of carefully and thoroughly studying works and obtained many important results for widening absorbing ability of soil water, regulating suitability of roots to water stress, exploiting productive potential of dryland in the last several decades
摘要幾十年來，大量科學工作者為拓寬小麥根系對土壤水分的吸收能力和調控根系對乾旱的適應能力，挖掘乾旱地區的生產潛力，實現高產做了大量細致的研究工作，取得了許多重要研究成果。分享友人