structural mass 中文意思是什麼

structural mass 解釋
結構質量
  • structural : adj. 構造上的,結構上的,組織上的。adv. -ly
  • mass : n 彌撒;彌撒的儀式[禱告、音樂];彌撒曲。 a high [solemn] Mass (有燒香、奏樂等的)大彌撒。 a low ...
  1. ( 3 ) ensemble character of structural planes as follows : in left dam abutment, meta basalt schistosity is main, and the structure is clockwise. low dip angle jointing did n ' t develop in rock mass ; in right dam abutment, rupture and jointing structural plane is main, and the structure is reversed. the structure was of obvious macroscopical slaty character

    ( 3 )通過對上述結構面的分析,得出其總體特徵為:左壩肩以變玄武巖片理為主體,呈順向結構,巖體內緩傾角節理極不發育;右壩肩主要為斷裂及節理型結構面,呈反向結構,且具有明顯的宏觀板狀結構特徵,並發育有一定厚度的構造軟巖帶。
  2. Bank slope types and rock mass structural features in new fengjie county, three gorges reservoir region

    三峽庫區奉節新縣城庫岸邊坡類型及巖體結構特徵
  3. The centrosymmetric structural dynamical systems with damping were studied. the nearest triple matrix of the centrosymmetric with satisfying characteristic equations was found to a given triple matrix ( mass 、 stiffness and damping matrices ). finally, numerical examples were given

    3 .研究了阻尼中心對稱結構動力模型修正問題,對給定的三重矩陣(質量矩陣、剛度矩陣和阻尼矩陣) ,求滿足譜約束條件且具有中心對稱特性的「最接近」的三重矩陣,並給出數值算例。
  4. Field investigations found that epigenetic reworking deformation fracture include 3 types, named normal relief fracture, fracture filled mud and epigenetic reworking of disturbed belts. and epigenetic reworking of rock mass structural also includes gradual deformation of the blocks that are made up of different attitudes structural planes besides normal relief. through field geological investigations, the features of rock mass structural planes are generalized, especially development laws of interlayer shearing belts, instrastratal shearing belts, faults and base crack

    在已有研究成果基礎上,總結了壩區玄武巖的巖相特徵和構造應力場對巖體結構的影響;通過現場調查,總結了3種類型淺表生變形破裂,即正常卸荷型破裂、鬆弛夾泥型破裂和緩傾角錯動帶表生改造;通過野外地質調查,總結了層間錯動帶、層內錯動帶、斷層和基體裂隙的發育規律。
  5. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; ( 2 ) the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; ( 3 ) the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project : the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; ( 4 ) the software system development for the long - term monitoring for dikes : the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; ( 5 ) reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ; ( 6 ) fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; ( 7 ) 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析:被成都勘測設計研究院應用於比選報告及可行性論證中; ( 2 )小關子水電站攔河閘壩及地基的應力應變分析:被成都勘測設計研究院應用於地基加固處理方案; ( 3 )三峽廠房7 # - 14 #壩段溫控並縫措施研究:為廠房壩段並縫方案的可行性提供了依據; ( 4 )堤防工程體系的長期監控預報預警決策系統開發:為監控、預測預報堤防滲漏管涌破壞提供分析軟體; ( 5 )向家壩地下洞室群圍巖穩定的安全可靠性分析:被中南勘測設計研究院應用於初步設計方案中; ( 6 )靠船墩的疲勞可靠度研究:為廣東航運規劃設計院的靠船墩優化設計和加固提供依據; ( 7 )溪洛渡高拱壩壩體壩基(壩肩)強度和穩定的三維靜動力隨機有限元分析及可靠度計算:為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  6. The research progressing as follows : ( l ) basic developmental character and engineering control effect of continuous macrostructure plane ( i and ii level ) of dam abutment has been systemically studied. and this kind of structural plane took important effect to appraise rock mass distortion and failure and stability

    論文研究進展主要有以下幾方面: ( 1 )系統研究了壩肩宏觀貫通性結構面(分類中的及級)發育的基本特徵以及它們的工程式控制制效應,闡明了該類貫通性結構面對壩肩巖體變形破壞及巖體穩定性評價起主導作用。
  7. ( 2 ) statistical character and engineering control effect of short and intermittent structural plane ( iiia and iiib level ) of dam abutment has been systemically studied. and this kind of structural plane took important effect to appraise whether latent discrete boundary of massif could be formed and rock mass quality

    ( 2 )系統研究了壩肩短小、斷續性結構面(分類中的_ a類和_ b )的統計特徵及其工程式控制制效應,闡明了此類結構面對能否構成壩肩巖體塊體的潛在分離邊界以及對巖體質量的評價起著重要作用。
  8. For better understanding the influence of tectonic structural features in soil mass to subgrade of infrastructure, the author defined the faults, structural joints and structural fissures as neogene tectonic structural planes, and studied the features of the planes with the methods of systematic analysis

    摘要為闡明土體中存在的構造形跡對工程建(構)築物地基的影響,將土體中的斷層、構造節理和構造裂縫統稱為土體新近紀構造結構面,用系統分析方法對土體新近紀構造結構面特性進行了分析。
  9. There is nearly no research on using active control method to reduce ship structural vibration stirred by slamming. this thesis studied theoretically on active cable and active tuned mass damper which were designed on the base of lqr theory. then the thesis studied concretely on the validity of active cable by an example

    本論文對船舶結構波浪砰擊響應的主動控制方法進行了研究,主要對基於線性二次型最優控制原理設計出來的主動纜作動器和主動式調諧阻尼器兩種控制器做了理論原理和作動器構成上的探討,並進一步研究了主動纜作動器運用於船舶因波浪砰擊引起的結構振動控制的有效性。
  10. The idea of passive control is to utilize additional facility within a structure to dissipate or absorb a large portion of the seismic energy, which has been applied to practical engineering extensively since its control devices - dampers are convenient and it does not need large energy supply and the structural system identification. now the main devices which have been developed in the passive control may be grouped into the following types : viscous, visco - elastic, metallic and frictional, and tuned mass damper ( tmd ) and tuned liquid damper ( tld )

    被動控制通過附加阻尼裝置耗散或吸收大部分的地震動能量以達到減振的目的,由於其控制裝置簡單,不需要外界能源輸入和系統識別,容易在工程上實現並已得到廣泛的應用;目前被應用於結構被動控制的阻尼器主要有:粘滯型、粘彈型、摩擦型、調諧質量阻尼器( tmd )和調諧液體阻尼器( tld ) 。
  11. By introducing damage tensor and net stress, this study has analyzed the mechanical properties of rock mass structural plane, hi this way, the rock mass question is macroscopically transformed into one of continuous medium mechanics, hi the light of the engineering reality in chengchao iron mine, the damage tensor of the area under research has been obtained on the basis of engineering geological survey

    通過引入損傷張量和凈應力來分析巖體結構面的力學特性,從宏觀上將巖體納入連續介質力學的范疇來處理。結合程潮鐵礦實際,在工程地質調查的基礎上,求得研究區域的損傷張量。
  12. Discontinuities or weakness planes are those structural features which separate intact rock blocks within a rock mass.

    不連續面或弱面指在巖體內分割完整巖石的那些構造形跡。
  13. The compound tray researched in this paper consists of dual - flow tray and 50 - 1 ^ omm high structural packing which is directly put under the dual - flow tray. it has three mass transfer sections that is the foam section on the tray, the film section in the packing layer and the shower section under the packing, so it has very high mass transfer efficiency

    本文研究的復合塔板是在穿流篩板之下緊貼一層50 150mm的規整填料所構成,它有三個傳質區,即塔板上的泡沫區、填料層內的液膜區以及填料層下的淋降區,因此,具有很高的傳質效率。
  14. ( s ) weathering and unloading action which are the two main exogenous process is active in epigenetic - surface. so, although one is different with the other, they are associated with each other closely and are cntrolled by geostress and seepage fields. in fact, weak weathered zone corresponds to weak load - off one, strong weathered zone corresponds to strong load - off one in virtue of result of this dissertation. ( 6 ) rock mass is a geologic body which is composed of rock and structural plane. and under the condition of geostress. temperature and seepage fields, correspondingly. studying weathering should pay attation to the aspects of rock, structural plane and fields. according to this. the author subdivises rockmass weathering into rock weathering and structural weathering, ulteriorly, the dissertation studies rockmass weathering from three aspects as follows : ? ock weathering : aberrance degree of mineral and physical mechanical performance of weathered rock ; ? e have already knew that weathering action damage the integrity of rock mass, but few applies it to engineering practice. the dissertation is based on trend o

    本文研究結果為弱卸荷與弱風化大致對應、強卸荷與強風化大致對應; ( 6 )巖體是由組成它的巖石與缺陷賦存於一定環境場中的地質體,據此本文將巖體風化細劃為巖石風化與結構面風化,並進而將表徵巖體風化的指標相應地歸結為三個方面來加以研究並應用於工程實踐,這就是:對于巖石風化,主要為礦物的變異程度與風化巖石的物理力學性能研究:雖已認識到風化作用破壞了巖體完整性,但將該理論應用於巖體風化分帶卻不多見,本文即從淺表部位硬性結構面間距、條數、跡長、塊度等隨遠離臨空面的變化規律來研究巖體風化分帶:不同風化、卸荷程度的巖體實際處于不同環境場中,彈性波速變化與特定環境場相對應,因而是反映巖體風化、卸荷的綜合因素。
  15. The disadvantageous effect should be considered when the deflection between the structural mass center and stiffness center exists

    摘要結構剛度中心與質量中心偏差較大時,應考慮扭轉的不利影響,將高層建築結構等效為懸臂桿,從頂至底依次選取脫離體。
  16. In the second optimization model, the first mode frequency is decreased to let it below the frequency of brunt load and cut down greatly the structural mass

    在第二個優化模型中,考慮減小泵車的一階頻率,盡量低於油缸沖擊載荷的頻率,同時可使結構質量有較大幅度下降。
  17. On the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上,結合實例,介紹了運用地震法探測結構體裂縫深度的方法特點。
  18. Abstract : on the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    文摘:該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上,結合實例,介紹了運用地震法探測結構體裂縫深度的方法特點。
  19. In upper level optimization, the thickness and geometry factors of composite skins and webs as well as other structural dimensions are taken as design variables. then, considering the behavior constraints and the side constraints, the structural mass is minimized by the mathematical programming technique. in lower level optimization, the mathematical programming technique or the genetic algorithm ( ga ) is used to search the practical stacking sequence of composite skins and webs to realize the given thickness and geometry factors from upper level optimization

    底層優化設西北工業大學博士學位論文計以復合材料蒙皮和腹板等層合板各分層的厚度(或鋪層數) 、鋪層角和鋪層順序為設計變量,以層合板的幾何因子與頂層優化設計給出的最優幾何因子之間的誤差最小為目標,考慮層合板厚度和製造工藝性約束,採用數學規劃方法或遺傳演算法( geneticalgorithm ,簡稱ga )求出底層最優設計變量。
  20. The structural optimization based on noise attenuation is studied, in which the thickness of each link is taken as the design variable, and the weighting sum of structural mass and measure of the structural acoustic performance is taken as the synthesis performance index

    選取機構桿件厚度為設計變量,以機構質量和聲輻射性能量度的加權和為目標函數,應用改進了的變尺度優化演算法對優化問題進行了求解。
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