active soil 中文意思是什麼
active soil
解釋
活性土-
The results indicated that the ree tracer technology has high precision to quantify the spatial - temporal process of soil erosion ; in earlier rainfall course, the development degree of sheet and nil erosion was general equation ; otherwise in the following course, the rill erosion was dominant in the total erosion, its average erosion acceleration and the average erosion rate was 15 and 9 times of sheet erosion, respectively ; in the end of experiment, the rill erosion took up 90 % of total erosion amount ; the section of slope bottom occupying about 1 / 3 slope area was active erosion segment in this experiment
結果表明： ree示蹤技術對定量研究土壤侵蝕具有較高的精度；降雨前期，片蝕與細溝侵蝕發育程度基本相當；後期細溝侵蝕占據坡面侵蝕的主導地位，其侵蝕平均加速度和平均侵蝕率分別是片蝕的15倍、 9倍；試驗結束，細溝侵蝕占據坡面總侵蝕的90 % ；本試驗條件下，坡面下1 / 3區域為侵蝕活躍帶。 -
Some beneficial results of the csnw ' s behaviors are gotten. main research contents as follows : ( 1 ) the four destruction models and respective stability analysis methods are discribed in this paper, whose working mechnism and calculating methods are given. in addition, some defects of every method are also discussed ; ( 2 ) on the basis of traditional active soil pressure method and expirical siol pressure method, the calculating model of the laternal earth pressure which is a tetragon with the largest value in the center side is addressed
主要工作如下： （ 1 ）本文給出了復合土釘墻的穩定性分析方法，該方法介紹了復合土釘墻的四種破壞類型，分析了每種破壞類型的受力機理，並給出了相應的計算方法和計算方法中的一些不足； （ 2 ）在傳統的主動土壓力和經驗土壓力的基礎上，建立了土釘墻中間大、上下小的四邊形狀分佈的側向土壓力的計算模式。 -
Calculation of active earth pressure in unsaturated expansive soil based on columb earth pressure theory
基於庫倉理論的非飽和膨脹土主動土壓力計算 -
A bacterium named paneibacillus polymyxa is screened from soil sample of mountain tai. it secrets a large amounts of active substance which can inhibit against several plant and animal diseases ， such as candiada albicans 、 aspergillus flavus link and nomuraea rileyi farlow. the determination show that it is a strain of paenibacillus polymyxa through measuring its g + cmol % and the sequences of bases of 16srrna
通過對該菌株進行形態觀察、生理生化實驗、 g + cmol %測定和16srrna堿基序列測定，鑒定該菌株為類芽孢桿菌屬中的一株新的多粘類芽孢桿菌，定名為paenibacilluspolymyxacp _ s316 ，編碼其16srrna的基因為一新基因，已經提交genebank注冊，注冊號為ay292989 （ 2003年6月4日） 。 -
Based on the above conclusions about anti - erosive vegetation structure, the paper expounds the implication of anti - erosive vegetation by pointing out the fault of its current definitions, and it is considered that anti - erosive vegetation should aim at protecting soil from erosion and fixing active sands in the eroded areas, ground space fully occupied by plants, in general with close structure, especially with outstanding coverage close to ground by organic matter ( litter and / or biomass )
在上述結論的基礎上，本文通過指出現有防蝕植被定義的缺陷，論述了其涵義，認為防蝕植被應當是在侵蝕地區，以防止土壤侵蝕或以固沙為目的，植物充分佔據地面空間，一般具緊密結構，或者顯著具有有機體（枯落物以及生物量）貼地面覆蓋特徵的植被。 -
With the purpose of better understanding some weak links in this subject, we comprehensively and systematically compared the effects of some typical inhibitors and their different combined ways in inhibiting cd bioavailability in purple soil, further studied the laws and affecting factors of cd ' s transfer and transformation in soil - plant system, revealed the mechanisms inhibitors function, and explored the practicable inhibitor prescriptions and their usage. the results are expected to provide reliable techniques for controlling cd pollution of agricultural soils in chongqing and it is also significant to ameliorate soils polluted by other kinds of heavy metals. comprehensive methods including pot experiment, laboratory culture experiment, kinetic and thermodynamic adsorption - desorption experiment were adopted in this study, and the acidified purple soil was chosen to test, considering that cd is highly active in this soil
本研究針對重慶市農業土壤的污染狀況，選取鎘活性較高的酸化紫色土為供試土壤，採用盆栽試驗、培養試驗、化學熱力學與動力學吸附試驗相結合的方法，系統研究和比較多種調控劑及其不同組合方式對鎘生物活性的效應，並揭示鎘在土壤?植物系統中的遷移轉化規律及影響因素，進一步分析調控劑的作用機理，探尋具有實際應用價值的調控劑配方及合理使用的方法，這不僅可以為重慶市農業土壤鎘污染的防治提供可靠的技術保障，而且對于其它重金屬污染的治理也有一定的理論意義。 -
The system is able to efficiently increase temperature and meet crop requirement of temperature for yield. in researching and designing solar energy conserving system in soil for active greenhouse, it adopts instrument of rhlog, tests temperature of six layers to soil temperature, and draws various curve of temperature. it shows the system can efficiency increase soil temperature and reduces change range of temperature in greenhouse in wintertime
在研究和設計主動式溫室太陽能地下蓄熱系統中，採用溫度自記儀器，測試了室溫及土壤中六個不同深度的溫度數據，繪制了相關溫度變化曲線，該曲線表明了主動式溫室太陽能地下蓄熱系統能有效提高冬季溫室土壤的溫度，並且減小了日溫變化幅度。 -
Further discussion on the quality of acidized active soil
談酸化活性土質量 -
Analysis of active earth pressure of unsaturated expansive soil
非飽和膨脹土的主動土壓力分析 -
Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。 -
The principal conclusions include : ( a ) the composite system is composed of both active - bearing structural members and inactive - bearing ones, being of a character of combination of rigid retaining structures with flexible ones, so its working mechanism will be behaved as sharing loadings, waterproof and impermeability, loading transfer, local reinforcement and pre - reinforcement ; ( b ) the experimental results show that much more subsoil will participate in retaining action, soil stresses of internal slope will be shared uniformly and deflections caused by excavation will be reduced notably because of cooperation of nails and cement - soil mixing pile wall ; and ( c ) the internal forces of facing in vertical model will be a control factor of design and the cross section tensile strength of cement - soil wall will govern strength of the
主要研究結論有： （ 1 ）復合土釘支護的作用機理主要為臨時加固土體以保證局部穩定、有機聯系以共同承擔荷載、改善土體性質起到止水抗滲作用。 （ 2 ）試驗結果表明：復合土釘支護能夠充分調動周圍土體共同作用，有效地控制基坑變形；復合土釘支護中止水帷幕的插入深度和強度對控制邊坡變形與失穩有較大作用；復合土釘支護效果明顯優於一般的土釘支護。 （ 3 ）面層與邊坡土體共同變形，設計時可按外力作用下的彈性地基梁進行計算。 -
This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization
半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用；臺後土抗力升溫時採用靜止土壓力加彈性土抗力，降溫時採用主動土壓力；分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例，採用大型通用軟體ansys建立平面框架模型，進行彈性、大變形分析，模擬全橋受力和變形特點；同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型，通過三種橋型同步加載對比分析，研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能，總結其設計控制因素和構造要求。通過本文研究知：半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近，結構整體剛度增大，併除去了伸縮縫病害；但主梁增加了軸力，下部結構剪力、彎矩較梁式橋大；綜合分析是一種受力合理有實踐和推廣價值的橋型。 -
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力發展工程樁的實驗室承載力監測方法與設備、如何使土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，這對指導施有積極、現實意義；提出了綜合運用朗肯土壓力理論、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土體應力及應變的變化情況，指出粘土地區也應考慮時間效應，並且進一步分析了基坑邊坡土體的塑性區形成和發展，找出邊坡最不利的區域，以確定地下室土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力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土體邊坡穩定產生影響的觀點，並分析了在環境振動影響下，土體的應力狀態及土休失穩破壞概率，並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態，指出了被監測墻體的最大應力、應變位置。 -
On this basis, regarding the rankine soil pressure theory as the prerequisite, the active earth pressure formula considering the deformation of braced structure has been set up. the calculation of active limit displacement in the formula has been researched, and proposes two methods ; all of which are applied to active soil pressure formula considering the deformation of braced structure. further, combine the project example, the active earth pressure formula considering the deformation of braced structure has been tested and confirmed its rationality
本文介紹了基坑支護結構的形式、特點，以及目前工程中基坑的設計計算方法，分析了土壓力的計算在基坑工程設計計算中的重要性;通過實測的基坑主動土壓力與支護結構位移的分析得出基坑主動土壓力與位移之間存在密切關系，在此基礎上以朗肯土壓力理論為前提建立了考慮基坑支護結構位移的主動區土壓力公式;並對公式中的主動極限位移的計算做了研究，提出了主動極限位移的兩種計算方法;把這兩種方法都運用於考慮支護結構位移的主動土壓力計算公式，進而結合工程實例，對考慮支護結構位移的主動土壓力公式進行了驗證，驗證了公式的合理性。 -
The rankine soil pressure theory is always accepted as the foundation of calculations of the soil pressure in practice. but as we know, the ignorance of the middle principal stress and the utility of mohr - coulomb strength criterion in the two - dimensional stress state make a blemish that the active soil pressure is bigger and the passive soil pressure is litter than the real
朗肯土壓力計算公式一直是工程實際土壓力計算的理論基礎，但是朗肯土壓力計算公式在推導過程中忽略了中主應力的影響，仍然應用二維應力狀態下的莫爾?庫侖強度準則，致使計算出的主動土壓力偏大而被動土壓力偏小。 -
Active soil organic matter and its relationship with soil quality
土壤活性有機質及其與土壤質量的關系 -
Abstract : based on soil plasticity and limit analysis theory, the second failure surface of backfill behind retaining wall with gentle back surface are studied from two view points of maximum active soil pressure and minimum resistive overturning safety factor, and it is further considered that the minimum resistive overturning safety factor is the best approach to studying the failure mechanism of backfill under complex back surface conditions of retaining structures
文摘:基於土的塑性極限分析理論，從擋土墻最小抗傾覆安全系數和擋土墻背上的最大主動土壓力兩個角度，分別研究了坦墻後土體中第二破裂面的位置，認為在復雜的擋土結構墻背條件下，用最小抗傾覆安全系數來研究擋土墻後土體的破壞機制較為合理。 -
On active soil pressures on broken back of retaining walls
對擋土墻折線型墻背上主動土壓力的研究 -
It was shown that the measured active soil pressures were smaller than the theoretical values and diminished with time, the measured pore water pressure decreased with the time and increased with the depth of soil, the combinative effects of cap girder and supporting structure were obvious which diminished the displacement of foundation pits, and the measured axial force of the anchor and interior steel beam were far less than the design force, indicating that the design safety factor of the foundation pit was too large to be economical
基坑工程實行信息化施工並獲得了豐富的監測數據，通過對數據分析結果表明：實測主動土壓力小於計算主動土壓力，實測主動土壓力隨時間延長變小：土體中孔隙水壓力隨時間增長而減小，孔隙水壓力隨深度增加而呈非線性增加；基坑冠梁協同作用明顯，冠梁減小了基坑變形；錨索軸力比較穩定，鋼撐軸力變化相對較大，且二者軸力仍富餘較大，該設計比較安全。 -
The conclusion is that it is more similar to practical soil pressure distribution if shear strength parameters are used which are obtained by the experiments that can simulate the actual process of active soil during excavation. so it is more reasonable to use shear strength parameters obtained by tri - axial experiments that can simulate the process of excavation in design of retaining structure
本論文得出的結論是：用模擬基坑開挖實際應力路徑的試驗方法得出的抗剪強度指標計算基坑側土壓力分佈，與實際情況更為接近，在基坑支護設計中，應該盡量使用模擬基坑開挖實際應力路徑的三軸試驗方法確定土體抗剪強度指標。
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