Finally, the paper investigates how the volume content of polypropylene fibers affects the fracture parameters of high-volume fly ash concrete.
本文最后研究了聚丙烯纤维的体积含量对大掺量粉煤灰混凝土断裂参数的影响。
Hence, it is a very important problem to perform well test, evaluate the deliverability of the fractured horizontal well, and optimize the fracture parameters.
因此,对水平井压裂后的试井和产能评价,以及压裂水平井的裂缝参数优化是一个十分重要的问题。
The effect of the water injection well fracturing on the adjacent oil well production is calculated by the model and then the fracture parameters of water injection well are optimized.
使用该模型计算注水井压裂对相邻油井的产量影响情况,从而优选出注水井裂缝参数。
Therefore, the number of perforation and the formation properties should be considered in designing the limited entry fracturing for better estimation of the fracture parameters and the improvements.
因此,进行限流压裂设计必须综合考虑炮眼个数、地层特性等因素对限流压裂施工的裂缝几何参数的影响,以准确预测各层裂缝几何参数和改造程度。
The temperature field of acid flowing in the borehole and the fracture is the basis for calculating the in-situ parameters.
酸液在井筒和裂缝流动时的温度场和速度场模拟是进行酸液就地性能参数计算的前提。
The incidence of fracture union without hardware removal was calculated, and the parameters that predicted success or failure were evaluated.
计算内固定物存留且骨折愈合的比率,并评价预测其治疗成败的指标。
The indicating chart is established under the condition of known fracture parameters, it can determine the main direction of liquid percolation, which is also direction of fracture development.
根据在已知裂缝参数条件下编制的这种指示图,可确定地层条件下液体渗流的主要的方向,即裂缝发育方向。
Based on unloading tests of rock samples, the deformation, parameters and fracture features of rocks under unloading are studied.
基于岩石试件的卸荷试验,研究卸荷条件下岩石的变形、参数及破裂特征。
Keeping the other parameters constant, the rising rate of the fault slipping displacement is the same as the calculated value using different epicenter fracture lengths.
在其他参数固定的情况下,采用不同的震源破裂长度计算断层滑距随深度增加的比例相同。
With consideration of the extension of fracture after shut-in, this paper proposes a method for defermination of fracture parameters using shut-in decline curve.
本文根据压裂施工停泵后裂缝仍有延伸的问题,提出了一种利用压裂后压降曲线早期段求解裂缝参数的方法。
Filtrateloss parameter of acidizing fluid is one of the key parameters to determine fracture geometry and the time of closed fracture in fracturing and acidizing design.
酸液向地层的滤失参数,是压裂酸化设计时确定裂缝几何尺寸及裂缝闭合时间最关键的参数之一。
The result shows that through integrated optimizing, it can confirm reasonable fracture parameters, guide field fracture design with desirable results.
结果表明,通过综合优化,确定合理的裂缝参数,指导现场压裂设计,效果较好。
This paper predicted the forming limit of sheet metals by using the mechanical property parameters of materials and combining the ductile fracture criteria with finite element simulation.
本文提出利用材料的力学性能参数,采用数值模拟与韧性断裂准则相结合的方法预测板材的成形极限。
The fracture network parameters are of importance to the development and the remaining oil potential-tapping of buried hill fracture reservoir.
裂缝网络参数是潜山裂缝油藏开发和剩余油挖潜不可缺少的重要参数。
The response parameters, which have good relation with fracture, were taken as the part of identification for fracture samples.
从测井资料中提取与裂缝有较好相关性的响应参数作为识别裂缝样本的组成部分。
In the quantitative evaluation, estimation fracture parameters mainly by dual lateral logging magnitude difference and image logging.
在定量评价方面,主要是采用双侧向测井幅度差和成像测井方法来估算裂缝参数。
But the damage and fracture of rock is closely related to each other. And the relationship between strength criterion parameters of rock and fracture toughness of fracture theory is particular.
然而,岩石的破坏和断裂是紧密相联的,岩石强度准则的材料参数和断裂理论的断裂韧度存在特定的方程关系。
Through the analysis of test results and stress fields, the change of metal materials' ductile fracture mode with different stress condition parameters are discussed.
通过试验结果与应力场分析,讨论了不同应力状态参数下,金属材料韧性断裂形式的变化规律。
To analyze the characteristics of TBCs such as residual stress, bond strength, fracture toughness, and crack propagation ratio, the Young's modulus and Poisson's ratio are important parameters.
为确定热障涂层的残余应力、结合力、断裂韧性、疲劳裂纹扩展速率等性能和特性,需要知道其杨氏模量和泊松比。
With no yielding up to its fracture strength of CFRP, the stress of CFRP at the maximum shear loading is found to be the key parameters in determining shear strength of the columns.
由于碳纤维布无屈服现象,故达到最大荷载时碳纤维布的应力是确定加固后柱受剪承载力的关键参数。
According to the essential hypothesis and principle of probabilistic fracture mechanism, the advanced method of estimating generic parameters of EIFS distribution is presented.
基于概率断裂力学的基本假设和原理,提出一种改进的通用EIFS分布确定方法。
The tests and methods of double-K fracture parameters for high strength concrete were studied by use of the splitting wedge samples.
采用楔入劈拉试样研究高强混凝土的双K断裂参数测试和计算方法。
Firstly, the advantages and disadvantages of present measurement and determination methods of unsaturated hydraulic parameters for a single fracture are commented upon.
首先,评述了现有的测定和确定单裂隙非饱和水力参数的几种方法的优缺点,为单裂隙非饱和水力参数的确定提供了理论依据。
Besides, an automated type curve matching technique other than manual method is applied here to explain the underground hydraulic fracture parameters conveniently.
改变了过去的手动曲线拟合为自动拟合,便于解释地下水力裂缝参数。
In order to calculate of the stress intensity factors fracture parameters, stress intensity factors in the center-cracked rectangular panel were studied by FEA method.
为了计算构件裂纹断裂参量应力强度因子,利用有限元方法对矩形板中心裂纹断裂参量应力强度因子的计算进行了研究。
The parameters mentioned are defined for the first time, such as the ratio of pore pressure and upper formation pressure, the fracture extension grads, etc.
孔隙压力流体评价方法所涉及到的孔覆比和裂缝延伸梯度等参数均为首次定义。
The reasonable layer selection is the main influencing factors for gas drainage by high level borehole, the borehole parameters is based on the caving & fracture zone height of gob.
高位钻孔抽放最主要的影响因素是合理层位选择,其钻孔参数应根据采空区冒落带及裂隙带高度来设计。
The influences of basic metal chemical composition, heat treatment conditions and welding parameters on the pressure vessel brittle fracture have been investigated.
研究了诸如化学成分、热处理条件和焊接因素对压力容器脆性破坏的影响。
According to the fracture rule with two parameters J and A_2, the fracture press values of some cracked inner-pressed-pipelines were forecasted.
建立J - A_2双参数断裂准则,对不同裂纹深度的管道进行弹塑性断裂预测。
According to the fracture rule with two parameters J and A_2, the fracture press values of some cracked inner-pressed-pipelines were forecasted.
建立J - A_2双参数断裂准则,对不同裂纹深度的管道进行弹塑性断裂预测。
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