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unconfined adj.1.無拘束的;自由的;無限制的。2.(頭發等)松...

unconfirmed

Practices show that the compressive strength , the modulus of elasticity , the permeability coefficient and the compactness of concrete obtained respectively by the compaction method , the unconfined compression static compaction method , the sand trenching and filling method , and nuclear densimeters meet the requirement of design , and the mixing proportion of concrete of the side - wall is reasonable 實踐證明施工中用擊實法、無側限抗壓靜力壓實法、挖坑灌砂法及核子密度儀分別檢測出的邊墻混凝土抗壓強度、彈性模量、滲透系數和密實度值均滿足設計要求,邊墻混凝土配合比合理。

The physical and mechanical properties of the raw materials and the recycled mixture are studied respectively in this paper by means of indoor experiments . the primary mechanical indexes of the recycled mixture are tested , including the unconfined compressive strength , the resilient modulus and the cleavage strength . the changing laws of these indexes are related to the cement content , the ratio of old asphalt mixture to lime soil and the aged - period 初步對再生混合料的無側限抗壓強度、抗壓回彈模量和劈裂強度等主要力學指標進行了分析評定,總結了其強度性能與剛度性能隨水泥劑量、舊路面與灰土比例和養生齡期的變化規律,并建立了各指標之間的相互聯系;此外對再生混合料的水穩定性、抗凍性、干縮特性、溫縮特性和疲勞特性也進行了試驗分析;在上述研究的基礎上還探討了原材料性質對再生混合料性能的影響。

The influences of the mixing amount of curing agent and curing age on the unconfined compression strength are discussed by determining the strength . by comparative study , it is concluded that the intensity of stabilized soil is the largest by using the stabilizer composed of 16 % cement mixing ratio and 40 % fly ash mixing amount , and it is reduced with growth of the water content of soft soil and is increased with growth of the cement mixing ratio and curing age 通過測定水泥土及水泥-粉煤灰加固土的無側限抗壓強度,探討固化劑摻量、齡期對抗壓強度的影響;通過對比研究發現,當水泥摻入比為16 ,粉煤灰摻入量為水泥重的40時,加固土的強度最大,并且強度隨著軟土含水量的增加而降低,隨著水泥摻入比、養護齡期的增長,水泥土及水泥-粉煤灰加固土的抗壓強度也隨之增加。

This paper presents the experimental results on unconfined compressive strength ( ucs ) and limit of water and plastic ( wl , wp ) of the clays stabilized with industrial wastes such as fly - ash and slag . four kinds of the compound clays are produced with different proportions of fly ash , clay , and slag , and then the compound clays are reinforced by adding cement and lime respectively 本研究采集武漢地區具有一定代表意義的素土和粉煤灰、爐渣,分別對素土、素土+爐渣復合土、素土+粉煤灰復合土、素土+爐渣+粉煤灰復合土進行了加固處理,所用的膠凝材料是較為基礎的水泥與生石灰。

At the meantime , the rock mass may alternate between loading and unloading and it exists in certain kind of liquid , such as surface water , unconfined water , confined water etc for its intrinsic crannies . the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security , economy , feasibility and validity . however , the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation , the corresponding structure design must ensure enough safety with all the determinate or random force combination , so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress , for the simulation of the real process and for the determinate evaluation system and optimization 由于實際工程巖體其固有的非線性和復雜性,使得求解對應的諸如其穩定性、變形等問題面臨較大的困難,而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性,這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術,抓住實際工程問題的本質特征并建立可行的符合幾何仿真、本構仿真、受力仿真、過程仿真四原則的求解模型,通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理;而巖體結構面的存在使得基于傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰,物理模擬的試驗周期和成本也大大增加,而巖土體工程問題則成為典型的數據有限、了解程度有限類問題,這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法,數值模擬可以完成目前許多技術手段無法完成的實驗,如參數控制,復雜條件下的邊界條件的處理,同時數值模擬具有高可重復性,且數值模擬的成本和人力開銷等遠低于物理模擬,因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。

Match ratio tests are done by using cement and fly - ash as curing agent , which include making soft clay with different water content into different mixing ratio cement - stabilised clay , and mixing cement and fly ash to make different cement - fly ash stengthened clay to soft clay with ascertaining water content . afterwards unconfined compression strength is tested at different curing age . the microstructures and mechanisms of cement soil and cement - fly ash soil are studied by mean “ , of x - ray and scanning electron microscope ( sem ) technology 采用水泥和粉煤灰為固化劑在室內進行其配合比試驗,對含水量不同的軟粘土制成不同摻入比的水泥土以及對含水量值固定的軟粘土制成水泥、粉煤灰摻入量分別不同的水泥-粉煤灰加固土,并在不同齡期時進行無側限抗壓強度試驗;運用x射線衍射和掃描電子顯微鏡技術,對水泥土及水泥-粉煤灰加固軟土的微觀結構和機理進行分析。

Secondly , the grade of fine aggregates is calculated by the k method . thirdly , the ratio of fine aggregates to the lime - fly ash is confirmed by the test of unconfined strength . fourthly , the suited ratio of coarse aggregates to ash - fly ash mortar is confirmed by the volume method 首先以抗壓強度為指標,確定二灰的最佳配比,然后應用k法計算細集料的( 4 . 75mm 0 . 6mm )級配,并通過抗壓強度試驗,確定了結合料與細集料的最佳配比,最后運用體積法得出二灰砂漿與粗集料的配比,最終確定了二灰碎石混合料的配合比。

In this dissertation , the engineering properties of the nano - al2o3 and nano - tio2 reinforced cement - stabilized soil are respectively studied through the laboratory experiments . based on testing data , the unconfined compressive strength ( ucs ) of nanometerial - al2o3 reinforced cement - stabilized soil ( narcss ) is firstly analyzed in different nanomaterial mixing ratio , cement mixing ratio , curing - period , water content , w / c ratio , etc . , and then the stress - strain relationship of narcss is given . the variation of the ucs of nanometerial - tio2 reinforced cement - stabilized soil ( ntrcss ) is also given in different nanometerial mixing ratio and curing period 根據試驗結果,首先分析了納米材料al _ 2o _ 3摻入比、齡期、土樣含水量、水灰比等對摻納米材料al _ 2o _ 3水泥土強度的影響,并給出其應力應變關系(本構關系)和一定條件下的最佳配比;其次,分析了納米材料tio _ 2摻入比、齡期等對摻納米材料tio _ 2水泥土強度的影響;最后,通過比較前人的研究成果,對分別摻入納米材料al _ 2o _ 3 、納米材料tio _ 2及納米材料sio _ ( 2 - x )的水泥土強度進行了對比分析。

( 2 ) the liman problem is normally adopted to check the liability of numerical method . the calculation error was within 9 % by comparison with the theoretic solutions of liman problem in the following case , the dimensionless calculation length was 2 with high pressure zone 0 . 8 , and the dimensionless state parameters were p1 = 2 , p2 = 1 , p1 = p2 = 1 , u1 = u2 = 0 . experiment results in literature [ 8 ] were used to check the adaptability of the numerical model developed here for unconfined gas cloud explosions and the calculation error was within 13 % ( 2 )數值方法的可靠性通常用黎曼問題的解析解檢驗,本文以無量綱計算區長度為2 ,高壓區長度為0 . 8 ,狀態參數為p _ 1 = 2 , p _ 2 = 1 , _ 1 = _ 2 = 1 , u _ 1 = u _ 2 = 0條件下的黎曼問題解析解對所編制的爆炸場計算程序進行了考核,結果表明該程序的計算誤差在9以內;為考核本文計算模型預測開敞空間氣云爆炸的適用性,以文獻[ 8 ]的實驗數據進行了校核,計算誤差在13以內。

The unconfined compressive strength , shearing strength and permeabi lity of stabilized soils were tested in laboratory , the strength of contaminated composite soils sampled with different ph and soaped in corresponding ph were compared . the results from experiments indicate that there exists a certain relationship between the soft soil properties and the unconfined compressive of grouted soil . with the increase of water content , porosity ratio , degree of porosity , plasticity limit , liquid limit and liquid index , the compressive strength of cement - sodium silicate - stabilized soil decreases , while increases as the bulk weight and compressibility modulus 通過對水泥?水玻璃加固土的無側限抗壓強度試驗,以及用不同酸堿性水制成與養護的固結土所進行強度對比試驗,得出軟土的物理力學性質指標與加固土的抗壓強度之間存在一定的相關關系,即隨著含水量、孔隙比、孔隙度、液塑限及液性指數的增加,水泥?水玻璃加固土的抗壓強度相應地降低;而隨著原狀土的容重、壓縮模量的增加,水泥土的抗壓強度也隨之增加。

Through a large number of unconfined compression tests and triaxial compression tests , the strength property and the water - stability of the lime - loess was analyzed . some laws about the strength property of the lime - loess with different lime content and compaction work varying with time were developed 本文通過大量灰土試樣的無側限和三軸試驗,對灰土強度的影響因素和水穩定性做了一定的研究,得到了灰土強度與齡期、配灰比、擊實功之間的一些規律。

However , we still have to face the pressing situation . there are some defects in china “ anti - dumping law - making , suck as the low legislature level , the unconfined nature of some provisions , the lack of judiciary investigation system 而我國現行的反傾銷法還很不成熟,如立法層次低、效力差;有些規定過于籠統、不利于操作;缺少公共利益條款;司法審查制度有待建立與完善等等。

Unconfined gas cloud explosions have caused great casualty and economic loss . it is very necessary to predict the power of potential explosions and to take effective measures to prevent or lower the damage 開敞空間氣云爆炸事故會導致慘重的人員傷亡和巨大的財產損失,因此有效地預測潛在爆炸所產生的威力并提出切實可行的防災減災措施已成為安全技術領域的主要課題之一。

On the basis of which , the grade of coarse aggregates is confirmed . the experimental results are validated through the theory calculation . firstly , the ratio of lime to fly - ash is confirmed by the unconfined strength index 并以此為基礎,確定了粗集料的級配,使振實后的粗集料能夠達到最大的密實度,同時應用理論計算對試驗結果進行驗證。

The procedures of identifying parameters of confined aquifer , leaky and confined aquifer , and unconfined aquifer are presented in detail . the method is proposed for identifying the leaky and con - fined aquifer 文章最后概括總結本文主要研究的內容及取得的成果,并對存在問題進行了探討及對有待進一步研究的問題進行了展望。

When the theme is circumscribed , as in his delightful sketches of george ripley and thoreau , or in his perceptive english traits the product is far more satisfactory than in the unconfined essay 如果題目的范圍有限制,如關于喬治里普利和梭羅的隨筆和那本極有見地的《英國人的性格》 ,就遠比無拘束的散文使人滿意。

When the theme is circumscribed , as in his delightful sketches of george ripley and thoreau , or in his perceptive english traits the product is far more satisfactory than in the unconfined essay 如果題目的范圍有限制,如關于喬治?里普利和梭羅的隨筆和那本極有見地的《英國人的性格》 ,就遠比無拘束的散文使人滿意。

Sampling and examination of bituminous mixtures for roads and other paved areas - method for determination of resistance to permanent deformation of bituminous mixtures subject to unconfined uniaxial loading 道路和其他鋪砌區用瀝青混合物取樣和檢驗.第111部分:瀝青混合物對未限定單軸向負載的耐永久變形測定方法

On their works , the definition of “ reality “ has been pursued , and “ beauty “ is also given an explanation , with unconfined painting materials and tools , as well as with new methods 他們的作品力求真的定義,更對美作一番詮釋,不拘泥于任何畫材及用具,喜好運用新的方法。