軟弱巖層 的英文怎麼說
中文拼音 [ruǎnruòyáncéng]
軟弱巖層
英文
incompetent bed- 軟 : Ⅰ形容詞1 (質地不硬) soft; flexible; supple; pliable 2 (柔和) soft; mild; gentle 3 (軟弱) we...
- 弱 : Ⅰ形容詞1 (氣力小; 勢力差) weak; feeble 2 (年幼) young 3 (差; 不如) inferior 4 (接在分數或...
- 巖 : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 軟弱 : (缺乏力氣; 不堅強) weak; feeble; flabby
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( 2 ) based on indoor test, two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model, rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone, and numerical parameters of the model are processed with studying of curve fitting
( 2 )立足於室內試驗,對羅湖建成區兩種典型的軟弱巖石?含角礫泥巖和粉砂巖進行系統的室內流變試驗研究,又結合前人對巖石流變本構模型的研究成果,分析並確定了適合羅湖破碎帶巖體力學特性及地層構造特徵的流變計算本構模型,並對該模型的計算參數進行了曲線擬合研究。Based on the bedding features of weak intercalations in sandstone plates near the top of underground cavity, the probable failure scale of bedding sliding, the probable settlement, the folding places and the critical length of sandstone beams are computed seperately, then the stability of underground cavity is analysed
針對地下工程頂部層狀砂巖中存在順層發育軟弱夾層的情況,分別對開挖后可能出現的層間滑動破壞范圍、巖板的沉降、折斷和臨界長度進行計算,並分析其穩定性。Formation causal analysis and foundation strength discussion on dissoluble soft intercalation in rock foundation of a project
某工程巖石地基中溶蝕軟弱夾層形成原因分析及地基強度探討Stability evaluation of rock mass slope with weak intercalated layers
有軟弱夾層巖體邊坡的穩定性評價After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force
在綜合研究危巖上的各種作用之後,本文提出了危巖的形成和破壞機理:硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層,結構面的的存在是危巖形成的地質基礎;地應力卸荷、風化、流水侵蝕、植物根劈是危巖發育的主要作用;重力、水壓力、地震力是危巖崩塌的主要荷載。Rebounding displacement of slope and axial force of anchor bars increases as the increment of the included angle of the rebounding displacement vector and x positive axis will reduce as the increment of horizontal tectonic stresses. the reduction of lithologic characters and weak interplayer have unfavorable influence on stability
支護錨稈軸力也增大;隨著水平構造應力的增加,回彈位移矢量與水平x軸正方向所形成的角度將減小;邊坡巖體巖性參數的弱化和軟弱央層的存在都對邊坡的穩定造成不利的鍘惻。Abstract : based on the study on the deformation of largescale toppling rock mass in fushun west open pit, this paper research the features of deformation and failure of the soft rock slope controlled by weak intercalated beds, and its influence on urban industry establishment
文摘:以撫順西露天礦大規模傾倒滑移變形體變形規律研究為例,探討受軟弱夾層控制的軟巖邊坡變形破壞規律及其變形破壞對城市工業設施的影響。All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering
主要結論如下: ( 1 )以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類,並確定了軟弱夾層分佈距離; ( 2 )根據強度等效和變形等效的原則,引入了軟弱夾層影響帶的概念,建立了模擬軟弱夾層厚度的一種新方法; ( 3 )總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標; ( 4 )分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標; ( 5 )總結出了在不同的側壓力系數( 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 )地應力場中軟弱夾層對穩定性影響的量化指標; ( 6 )得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果; ( 7 )根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。The composition of the rock and the occurrence of natural faults, cracks and weak zones exert a great influence.
巖石的成份,及天然斷層、裂隙和軟弱夾層的存在,都有很大影響。According to the special stratum condition 、 soil parameter 、 pile frame system in the protecting landslide of hongtian jianfeng in yongan city in fujian province, compile a fem program of plane strain and analyze the interaction by nonlinear fem on intensity discount. in the program, duncan - chang model is applied to earth, elasticity model is applied to pile and rock ; goodman element is set between pile and rock - earth and applied to simulate sliding plane and flexible floor ; sequential pole elements with original stress are applied to anchor cable
在程序中土體採用了duncan - chang雙曲線本構模型,樁和錨固層以下的巖體採用了線彈性本構模型,並且在樁和巖土體間設置了無厚度的古德曼( goodman )單元,對于軟弱夾層和已知的滑裂面也採用古德曼單元模擬,錨索採用的是具有初始應力的連續桿單元模擬。Simulation of infinite intercalation in rock mass
巖體中無限區域軟弱夾層的模擬Stability analysis of the weak intercalation and stratified rock mass near the top of an underground cavity and their parameters ' inversion
地下洞室頂部軟弱夾層和層狀巖體的穩定性分析及參數反演The widespread obvious weak layers is difficult to control which leading to a fast sliding characteristics during slope destroy because of difference weathering in the carbonate rock
摘要由於碳酸鹽巖風化的差異性,導致層間普遍存在明顯的軟弱夾層,以至於邊坡的破壞特徵具有高速滑動特性,一旦發生,難以控制。The data from xinbi high - slope shows that it ' s a stable slope. 3. the result of elasto - plastic finite element analysis shows that : ( 1 ) excavated - slope face would induce loose belt in rock ; ( 2 ) horizontal ground stress, joined rockmass and weak sandwich would make great unfavorable influence on slope stabilization and axial force of rock bolt
有限元數值分析結果表明:邊坡的開挖會使坡面巖體產生松動帶;構造水平地應力、結構面、軟弱夾層對坡體穩定及支護在坡體上的錨桿的受力情況有較大的不利影響。The geologic condition of side slope is complex. it is composed of soil and intense weathering rock on the surface and slightly weathering rock under the surface. further more, it has many faults, fissuring and weak intercalations
其水電站尾水渠高邊坡所處區域地質條件復雜,邊坡表面由幾米至十幾米厚的坡積土和強風化破碎巖石組成,下部是弱風化和微風化巖石組成,且斷層、節理和軟弱夾層分佈廣泛。One of distinct characters of geotechnical problems is that there exist various interfaces such as interface between the structure and geotechncal medi8, the joints in rock mass, sliding face in soi1 and so on, which will effect the mecbocal behaviors of the geotecndcal media and the structures significanly so far though the finite element method has been wildly used in geotecbocal field, it still remains an inthectable problem to simulate these inteffoces idealiy in the numerical analysis
計算對象的不連續性是巖土工程問題的一個重要特點,這些不連續面主要是存在於基礎?土體、擋土結構?土體、地下結構?圍巖等結構與周圍巖土介質問的界面,或是巖體中的節理或軟弱夾層、土(巖)滑坡的滑動面等。不連續面的存在顯然對結構及巖土體的受力變形有著不可忽略的影響,因此在計算中不應無視它的存在。In this paper, systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed, different distance between weak interbed and limit of excavation, different thickness of weak interbed, in the different confining coefficient and representational surrounding rock mass graded ii, iii, iv. all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion, through the integrated numerical analysis program final. plentiful numerical test results have been drawn via analyse the deformation, tensile stress region, plastic region of surrounding rock and the stress status of shot - crete
大量的工程實踐表明,軟弱夾層對地下洞室圍巖穩定性的影響有著決定性的作用,本文以大型數值模擬分析系統final為平臺,採用彈塑性應力應變關系和m - c屈服準則建立平面應變問題有限元模型,對軟弱夾層的分佈部位、分佈距離、軟弱夾層的厚度對圍巖穩定性的影響以及在具有不同側壓力系數的地應力場中和、 、類代表性圍巖中軟弱夾層對圍巖穩定性的影響進行了系統的數值試驗,研究得出了軟弱夾層對圍巖位移、拉應力區、塑性區以及噴射混凝土層內力等影響豐富的量化成果,以便直接為工程設計人員提供參考。Study on the influence laws of side pressure coefficient on roof failure of roadway in alternating stratified soft roof rock
側壓系數對巷道軟弱互層頂板巖體破壞影響規律研究The authors calculated the reaction spectra of seismic waves that came from the practical soil layer at different depths and, by modifying the practical soil layer parameters and analyzing the spectra of seismic waves in varied depths of the soil layer and the soft interlayers, drew some significant conclusions
摘要在給定基巖地震輸入的情況下計算實際場地土層不同深處的地震反應譜,然後修改實際土層模型參數,在考慮土層厚度和軟弱夾層變化的情況下進行地震反應分析,得出一些有意義的結論。On the pulling anchor - cable step, the internal force of beam - on - foundation can be calculated by winkler hypothesis in the case of weak rock mass and infinite half elastic foundation hypothesis in the case of stratums that are of some elastic characteristics
在張拉階段,可以採用溫克爾假定計算破碎軟弱巖體上的地梁內力;對于有較好彈性性質的地層,則可按彈性半無限體地基計算地梁內力。分享友人