Method for determination of the modulus of elasticity in compression perpendicular to grain of wood Research of Elastic Modulus of Mould Pressing Bamboo Processing Fragment Plate GB/T1943-1991木材横纹抗压弹性模量测定方法竹加工碎料模压代木板材的弹性模量研究
The results show that with the increase in confining pressure, the elastic modulus of rock mass may grow positively mainly due to the compression of rock fractures; 研究结果表明,随着围压的增加,岩体弹性模量可能出现正增长关系,主要原因是岩体裂隙的压紧导致结构的致密;
Analysis on Elastoplastic of Thick Spherical Shell with Different Modulus of Tension and Compression 不同拉压模量厚壁球壳的弹塑性分析弹性模数[模量];弹性组件;弹性计量单位
The test results show that the shear modulus of the elastomer will not decrease with enhancing compression which agreed with well with the simulation. 试验结果发现,橡胶材料的剪切模量并没有随压力的升高而减小,该现象与计算结果吻合较好。
The different influences on tangent bulk modulus of conventional triaxial test and isotropic compression test were considered. 考虑了常规三轴试验和各向同性压缩试验对切线体积模量的影响。
Determination Method for Modulus of Compression of Sandy Soil for Yangtse River Bridge Foundation of Taizhou 泰州长江大桥地基砂性土压缩模量确定方法
The experimental study on modulus of static compression elasticity and poisson ratio of short carbon fiber concrete 短碳纤维混凝土的弹性模量及泊松比性能试验
While with the increase of coarse aggregate, rupture strength and rupture modulus of the concrete would increase conspicuously, yet compression strength and compression modulus would have a little change. 矿料级配中粗集料含量增加后,混合料的抗折强度和抗折回弹模量有明显增加,但抗压强度和抗压回弹模量变化不大。
Discussion on modulus of compression formula 关于压缩模量公式的探讨
On irreversible deformation and modulus attenuation of concrete under compression 受压混凝土的不可逆变形与刚度衰减的研究
The models for predicting elastic modulus along the grain of poplar veneer were built, in which compression ratio, glue content, density, and thickness of veneer were considered. 着重讨论速生杨木单板顺纹弹性模量预测模型,模型中考虑到单板的压缩率、单板中含胶量、单板的密度和单板的厚度等影响因素。
Fineness modulus of sand and compression strength of concrete 砂的细度模数与混凝土抗压强度
Modulus of elasticity in shear and accelerate convergence of different extension compression elastic modulus finite element method 拉压不同模量有限元法剪切弹性模量及加速收敛
By using the same horizon shift factors as dynamic modulus master curve, the data of compression strength and compression ratio were perfectly superimpose on storage modulus and storage compliance master curve. 应用与动态模量叠合主曲线相同的水平位移因子,极限抗压强度和压缩率的数据分别与动态储能模量和储能柔量主曲线有很好的叠合。
The road performance test include: compression strength, cleavage strength, rupture strength, modulus of compression strength resilience, shrinkage, fatigue test and washout test. 路用性能的试验内容包括:抗压强度、劈裂强度、抗弯拉强度、抗压回弹模量、温缩干缩、抗冲刷试验、冻融试验和疲劳性能试验。
Based on the damage ratio of the loess structure, the change in compression modulus of collapsed loess can be expressed as a function of the compression stress and water content. The proposed method of evaluating the potential settlement of loess foundation is an effective approach. 基于黄土的结构损伤比,给出了地基土压缩模量随含水量和压缩应力连续变化的函数,提出的地基沉降验算方法是评价湿陷性黄土地基可能湿陷量的一条有效途径。
Test items include compression strength, split strength, anti-breaking strength, and modulus of compression, modulus of rupture, temperature shrinkage coefficient, humidity shrinkage coefficient and anti-erosion performance. 试验内容包括:抗压强度、劈裂强度、抗折强度、抗压回弹模量、抗折回弹模量、温缩系数测定、干缩系数测定以及抗冲刷性能。
On the condition unable to adopt the loading test, through computation and analysis of baring foundation capality, modulus of compression and modulus of deformation are be chosen to calculate settlement of foundation and judge the satisfied degree of engineering construction between foundation capacity and settlement. 在无法采用载荷试验的条件下,通过对基础地基承载力的计算分析,分别选取压缩模量和变形模量进行沉降计算,判定地基承载力沉降量对本工程建设的满足程度。
Because the initial tangent modulus decreases gradually with the increase of compression stress and water content and reflects the structural damage increase of loess, this parameter can be used to define the damage variables by the composite theory. 基于初始切线模量定义的损伤比,能够反映球应力增大和进水增湿作用引起的结构破损变化。
Therefore, we have made partial compression tests on shale modulus porous brick wall and studied on factor of gain in partial compression strength γ suitable for shale modulus porous brick and on determination of b value in calculation formula. 为此我们对页岩模数多孔砖砌体的局部受压进行了试验研究,并对适用页岩模数多孔砖的局部受压强度提高系数γ及其计算公式中b值的确定进行了研究。
Design the fast calculation of modulus of 16 bit fix-point complex number and time logic of pulse compression system based on FPGA ( EP1K100QC208). 基于FPGA(EP1K100QC208)的16位定点复数的快速求模设计及系统时序和控制逻辑设计。
The experiments of modulus of resilience, compression and collapsibility deformation, permeability under each water content and compactness are done. The rules of the relations of these parameters and water content and compactness are gotten. 系统地进行了每一准确含水量、压实度下的回弹模量、压缩湿陷变形和渗透试验,得出各参数与含水量、压实度的关系的一般规律。
As a result, the properties of composite increased with the modulus of matrix. The appearance of compression and shear were studied. 发现复合材料的性能随基体模量的增加而升高,并通过扫描电镜对复合材料的压缩与层剪断口形貌进行了分析。
We can calculate compressibility modulus of the desert sand from this Normalization compression curve and apply it to the settlement computation of desert foundation. 利用该归一化压缩曲线可计算不同初始干密度、不同应力范围下沙漠砂的压缩模量,并将其结果应用于沙漠地基的沉降计算。
The comparative analyses of correlative physical parameters of concrete in static tension and tensile fatigue show that fatigue life and deformation modulus reduce largely because of lateral compression. 同时对静态受拉与受拉疲劳试验的相关物理量进行了比较分析,疲劳寿命和疲劳变形模量也因侧压的影响而有较大幅度的降低。
The attenuation law of the ultimate compressive strength and elastic modulus of compression of plain chloroprene rubber bearings of highway bridge under salt frozen condition are analyzed, and the parameters of the degradation model are estimated by the least square method. 通过承载力衰减规律对比分析,采用最小二乘法建立公路桥梁板式氯丁橡胶支座的极限抗压强度和抗压弹性模量的衰减模型。
Measuring the equivalent bening modulus of the fibers through single fiber axial compression bending test, and then bending stiffness was calculated. Thus the bending stiffness indirectly charactered the soft of the fibers. 通过单纤维轴向压缩弯曲仪来测量纤维的等效弯曲模量,计算得到纤维的抗弯刚度,从而以抗弯刚度来间接表示纤维的柔软性。
Based on the experimental data, regression relationships between the micro-drilling resistance and the wood density, modulus of elasticity, modulus of rupture and compression strength were established. 基于所得到的试验数据,分别建立了微钻阻力与落叶松材密度、抗弯弹性模量、抗弯强度和顺纹抗压强度之间的回归方程。
To the influencing factor of the pile-soil stiffness, it should be analyzed that is pile length, pile diameter, soil modulus of compression, Poisson ratio and so on. 在桩土刚度的影响因素中,对桩长、桩径、土层压缩模量、泊松比等因素的具体影响进行研究。