膨土巖 的英文怎麼說
中文拼音 [péngtǔyán]
膨土巖
英文
amargosite
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膨 :
動詞(物體的長度或體積增加) expand; swell
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巖 :
名詞1. (巖石) rock 2. (巖峰) cliff; crag
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Besides, we can offer many horti / agriculture materials such as lime, rotten leaves, plant ash, peatmoss, granular peatmoss foster earth, expanded vermiculite, expanded perlite, silicant clay, pumice, maifanshi, zeolite and fertilizer for family gardening
此外,我司還可供應各種不同規格、包裝的園藝資材,如草炭
土、腐葉
土、草炭
土、顆粒草炭培養
土、輕質/重質陶粒、
膨脹蛭石、
膨脹珍珠
巖、輕石、麥飯石、沸石、硅酸鹽白
土以及家庭園藝用高效肥料等。
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Abstract : the paper rearches into the compactibility and the dilatability of the crushed material of the clayrock in the northwest area of china
文摘:以西北某粘
土巖的粉碎材料為研究對象,對粉碎
土料進行了壓實性和
膨脹性的研究。
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The test results indicate that the dilatability is closely associated with the compaction and the difference among the diameters of the crushed clayrocks influence their characters
結果表明,擊實功與
膨脹性之間有密切關系,而且粘
土巖粉碎的粒徑對壓實性和
膨脹性是有影響的。
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Aggregates. rotary - furnace made expanded clay and shale for making concretes
集料.轉爐燒制混凝
土用
膨脹頁
巖或粘
土碎石料
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Principle : it is adoping tattered dose to blend inner place the pouing perforate against water, utilizes such water action to come into being swelling the pressu ` re, by the rock, confuses soil forms piece and so on the brittleness substance distends to crack either cuts
原理:它是採用破碎劑與水混合灌入鉆孔中內,利用其水化作用產生
膨脹壓力,將
巖石、混泥
土構件等脆性物體脹裂或切割。
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In the cold geotechnical engineering, when the rock containing a mount of water was frozen, the inner water swells, and the freezing swollen force is emerged, in turn the rock became a multi damage material containing water, ice, air, rock
在寒區
巖土工程中,
巖體中含有一定量的水,凍結后,水冰相變體積
膨脹,產生巨大的凍脹力,
巖體成為水、冰、
巖,氣的多相損傷介質。
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Feed materials : coal, coke, ash, charcoal, dolomite, marble, limestone, bentonite
給料:煤炭焦煤灰木炭白雲
巖大理石石灰鹽
膨潤
土。
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It was shown by field investigation and lab tests that the types of altered rocks were mostly those of montmorillonitization, and the altered clay mineral was mainly pure montmorillanite, which rendered the altered rock both soft and expansive
野外地質調查和室內測試表明:滇藏鐵路滇西北段出露的多為蒙脫石化蝕變
巖帶,蝕變
巖的黏
土礦物組成絕大多數都是單礦物的蒙脫石,導致該地區的蝕變
巖既是強度極低的軟
巖,又是典型的
膨脹
巖。
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Influences of ph values, ferrous minerals ( reduced iron powder or magnetite ), bentonite, concentration of cations and anion ( fe3 +, fe2 + and co32 - ) on the distribution coefficient, kd, were studied. the sorption mechanism of 99tc on granite was discussed by the desorption method of adding h2o2 into desorption solvent. based on the diffusion coefficient measured and the solution of the diffusion equation, the distance of tc diffusion after ten thousand years was predicted
本文分別在大氣和低氧條件下,研究了tc在花崗
巖上的吸附和擴散,包括溶液的ph 、含鐵礦物(還原鐵粉、 fe3o4 ) 、
膨潤
土、陰陽離子的濃度( co32 - 、 fe3 + 、 fe2 + )對tc在花崗
巖(石英、黑雲母)上吸附kd值的影響;在解吸劑中加入h2o2 ,對tc進行解吸,探討了其吸附的機理;將擴散系數代入擴散方程的解析解,預測了10000年後, tc擴散的距離。
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As far as the soft clayey rock, widely distributed in guangdong, is concerned, it will swell after unloaded and soften during immersion. its strength decreases with time after excavation. as a result, the slopes probably lose their stability in a long time, and in deed there are some failure cases reported in engineering
但對于在廣東頗具代表性的風化泥質軟
巖,因開挖外露而導致的浸水軟化和卸荷
膨脹,會致使邊坡
巖土長期強度的減損,使得按
巖土天然強度指標設計的邊坡的長期穩定性無法保障,也造成了一些工程事故。
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The basic physical and mechanical properties, mineral composition, micro structures, swelling potential, consolidated drained triaxial shear strength, parameters of constitutive model and residual strength of the soft clayey rocks were tested in laboratory with a large number of natural samples. the changing trend of the strength about these rocks is obtained by modeling the condition of softening due to immersion. from the principles of modern soil mechanics, the structural and swelling characteristics of soft clayey rocks were analyzed systematically
本文通過現場調查,查明風化泥質軟
巖的宏觀結構特徵,利用現代試驗測試手段,取原狀
土系統進行特殊
土室內
土工試驗,測定
土的基本物理力學特性、礦物成分及微觀結構、
膨脹性、三軸排水剪強度及本構模型參數、軟化殘余強度,並模擬
土體在長期浸水軟化后的強度變化趨勢,測試該類
土的浸水軟化殘余強度。
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During the research, we used the diffraction of x - ray. sem ( scanning electron microscope ), electron micro - probe, petrographic analysis, cements physical performance test, adiabatic test, concrete test and so on, also, we gave explanations to all kinds of expansion phenomenon
本課題在研究過程中採用了x ?射線衍射掃描電子顯微鏡、電子探針、 x ?熒光分析、
巖相分析、水泥物理性能試驗、絕熱試驗、混凝
土試驗等手段,對各種
膨脹現象作出了解釋。
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As far as the sandstone adopted, the effect of effective stress on permeability lies in pressure effect of effective stress on pore and throat, and that of temperature lies in aggravating disaggregation of clay mineral with rising temperature and pressure effect of skeleton expansion on throat
就本試驗所用砂
巖而言,有效應力對滲透率的影響主要在於有效應力對孔隙,尤其是對喉道的壓縮作用;而溫度對滲透率的影響則主要在於隨溫度升高而加劇的粘
土礦物的分散作用以及砂
巖骨架的熱
膨脹對喉道的壓縮作用。
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2. the concept design is the key phase of the first stage of system optimization. the paper emphatically discusses with emphasis several issues difficulty to answer, such as the determination of the soil parameters, the soil pressure and the safety factor and the reliability of retaining structure, summaries and analyses the main geotechnical problems during the excavation on the four familiar geologic strata of saturation soft soil on the class i terrace of the yangtze river, aged - clay, expansive soil and loess and investigates carefully the patterns of deformation and destruction of pit slope in the saturation soft soil, puts forward three basic principles of selecting schemes of retaining structure, namely : facing to the problem, facing to the characteristics of excavation and environment
( 2 )概念設計是深基坑工程第一步優化? ?系統(方案)優化設計中的關鍵,文中重點討論了概念設計中的幾個難點問題,如
土性參數的確定、
土壓力的選取、深基坑工程的安全度和可靠度分析等;總結分析了飽和軟
土、老粘性、
膨脹
土和黃
土這四類常見地層條件下的深基坑工程中的主要
巖土工程問題,其中重點研究了長江級階地上的飽和軟
土深基坑邊坡變形和破壞模式,提出了選擇支護方案的基本原則,即:面向問題、面向基坑特點、面向周邊環境特點。
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By studying the strength behavior to these rocks, their shear strength ranges were given in different engineering environmental conditions. based on a series of triaxial tests on the soft clayey rocks, parameters of the constitutive model are provided, which are necessary in numerical analysis and engineering computation. according to the results in this study, mechanism of deformation and failure of soft clayey rocks was explored, and the data on their physical and mechanical properties were collected in guangdong
結合現代
土力學原理,系統分析了風化泥質軟
巖的結構特徵,
膨脹特性;探討風化泥質軟
巖的強度特性,給出了風化泥質軟
巖不同工程環境條件下的抗剪強度取值范圍;在三軸排水剪試驗成果基礎上,提供了工程數值分析和計算所需本構模型參數,揭示了風化泥質軟
巖的變形破壞機理,建立廣東風化泥質軟
巖的物理力學性質特徵資料,為工程決策提供參考。
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Under aerobic condition the changes of kd values are not evident when the magnetite and bentonite are added into granite ; while the kd values of tc on the granite mixed with reduced iron powder increase drastically
在大氣條件下,花崗巖中分別加入fe3o4和膨潤土, kd值變化不明顯;加入還原鐵粉, kd值升高。