构造力
- 网络Tectonic force
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利用SCHOLZ断层能量动态平衡过程,建立了断层周边应变累积与断层面构造力的一般物理关系,据此提出以断裂带为主体的地壳应变主体单元模型。
By energy transition principle of elastic mechanics , the physics relation between strain around fault and tectonic force on fault surface is set up and main body element model of crust strain is put forward .
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分析了在构造力和重力共同作用下,盆地由浅至深各构造层应力变化特征,并研究了盆地内油气藏聚集与地应力场的关系。
The different tectonic stress field features at different depths which are caused by both tectonic force and gravity force and the relation between the stress field and hydrocarbon accumulation are analyzed .
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因而,大陆每个块体的应力场特征方向与强地震发生的主要构造力方向一致性较好。
Thus , the stress field characteristic direction of each block is similar with the main structure force direction where strong earthquakes happen .
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来自板块之间相对运动的构造力可以传递到大陆地壳,从而形成了大陆内部的地震应力场。
Tectonic forces from the relative movements between plates are transmitted into the continental crust , and then they create the earthquake generating stress field there .
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第四,海西早期的南东-北西向挤压应力是本区近南北和近东西方向两组剪切缝和近北东拱张缝形成的主要构造力。
Fourth , the early Hercynian SE-NW compression stress is formed by the interaction of near SN , near EW shear fractures and near NE arched fractures .
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必须指出,在地质构造力的作用下巷道的顶板和底板应力集中,极需用底拱或板加固。
It is pointed that under the action of tectonic forces , stresses are concen-trated along the bottom and roof Hence a concrete bottom arch or slab is urgent-ly needed .
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现代地层学概念中,形成地层的力学机制不仅仅是重力,而且包括了热力(如蛇绿岩)、机械力或构造力(如混杂岩、构造岩等)。
Whereas in modern stratigraphy , the mechanic mechanism of strata origination includes not only gravity , but also thermal ( ophiolite ), mechanic and tectonic forces ( orogenic mixtite and tectonite ) .
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青藏高原冰川融化引起的均衡上升运动与构造力引起的结果相比是非常微弱和从属的,并属后期阶段。
Isostatic ascending motion , which was resulted from the glacial dissolve of the Qinghai Tebet plateau , is much weaker and Less important than that of the structure force and it belongs the later period stage .
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用GPS资料研究华北地区形变场和构造应力场
Deformation field and tectonic stress field constrained by GPS observations in North China
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GIS和RS支持下新构造应力场方向提取
Extracting direction of Neotectonic stress field via GIS and remote sensing
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所作的数值试验说明,在特定情况下,用平均P,B,T轴推断构造应力主轴方向时有可能出现系统偏差。
A numerical test shows that , in some special case , there may appear a systematic deviation between the directions of the mean P , B and T axes and that of real principal stress axes in the crust .
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利用NCEP温度异常图像与天体引潮力附加构造应力结合进行地震短临预测是具有良好应用前景的新思路;
It is a new thinking to use the NCEP images and the astro-tidal-triggering to forecast short-impending earthquake ;
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在区域北东向构造应力作用下,块体发生了NE向的挤压缩短、顺时针方向的旋转和向SEE方向的挤出等构造变形。
Under the action of the NE-striking regional structural stress , the crustal block was subjected to obvious tectonic deformation , including NE-oriented compressional and shortening , clockwise rotation and extrusion along the SSE direction and so on .
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受区域构造应力场控制,裂隙发育表现出明显的方向性,主裂隙发育的NW方向为渗透性优势方位。
Since controlled by regional tectonic stress field , the development of fissures shows obvious directional property , the main fissure developing NW direction is also the permeability superiority trend .
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地应力大小分布主要受控于埋深、构造应力大小、断层分布。水平最大主应力基本上为NW-SE向。
The in-situ stress size distribution is mainly controlled to the burying depth , the tectonic stress size , the fault distribution .
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2印度板块的北推碰撞引起的青藏块体持续NE向挤压运动所产生的构造应力场,是本区构造形变与地震蕴育的主控应力。
The tectonic stress field generated by the NE-trending continuous compressive movement of Qinghai-Xizang block due to the northward press and collision of India plate is the principal stress for the tectonic deformation and earthquake development in this area .
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近年来,大同市在区域构造应力作用下,已产生9条地裂缝,总长308km,其展布为NESW或NEESWW方向。
Recently , 9 ground fissures have occurred in Datong City with 30.8 ! km length altogether . The ground fissures spread out in the direction of NE-SW or NEE-SWW .
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结果表明,构造应力作用提高了“煤晶核”BSU的延展度和堆砌度,使面网间距减小。
Tectonic stress result in increasing diameter and the stack height of basic structural unit ( BSU ), and decreasing the BSU lamellae spacing .
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结果表明,整体调整系数、地震时能量的损耗系数、外部构造应力场的驱动力大小都会影响到地震系统中能量积累和释放的状况,影响到G-R关系中b值的大小。
The results show that the global regulation factor , energy loss factor and driving force of external tectonic stress field have influence energy accumulation and release of seismic system , and also influence on b Value of Gutenberg-Richter relation .
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矿床水平高构造应力对矿床底板及其边坡稳定性具有不良影响,矿床开采掘面轴线走向应沿N70°E方向布设趋佳;
The high level tectonic stress exerts negative influence on the stability of the mine bed and its slope , and the excavation should be arranged in the direction of N70 ° E for convenience .
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中侏罗世晚期至晚侏罗世,构造应力场转换为挤压体制,盆地周缘遭受近W-E、NW-SE、NE-SW等多向挤压应力作用。
The tectonic stress regime had changed to multi-directional ( W-E , NW-SE , NE-SW ) compression during the period from the latest Middle Jurassic to late Jurassic and the peripheral zones of the Ordos Basin submitted to multi-directional shortening deformation .
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华北北部构造应力场局部构造应力场分析
The Tectonic Stress Field in the Northern Part of North China
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黄骅动陷构造应力场演化光弹模拟实验
Photoelastic modeling experiment of tectonic stress field evolution in Huanghua Depression
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长江三峡工程构造应力场数值模拟
Digital modelling of structural stress field of the Three Gorges project
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湖北及邻区现代构造应力场初析
Recent tectonic stress field of the Hubei Province and its vicinity
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流体力与构造应力及其相互关系的探讨
Discussion on fluid force and tectonic stress and their mutual relation
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地震是活动断层在构造应力作用下突发失稳的结果。
Earthquakes result from instability of active faults under tectonic stress .
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珠江三角洲构造应力场的光弹模拟
Photoelastic Simulation for Structural Field of Stress in Pearl River Delta
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含有构造应力核组成的高边坡的破坏模式;
The failure mode of slope composed by cores of tectonics .
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大地测量反演线弹性构造应力场刀锋在线
Online the inversion of linear elastic stress field using geodetic data