1) Four-Point Beam Bending
四点小梁弯曲
2) four_point bending beam
四点弯曲梁
3) four point bending
四点弯曲
1.
Interracial fracture properties of the stainless steel and aluminum bimetal are analyzed with the method of four point bending test,and the interface crack and the interface fracture structure are analyzed with SEM.
采用四点弯曲的试验研究方法,对爆炸焊接不锈钢-铝复层材料界面断裂性能进行了研究,采用扫描电子显微镜对界面裂纹与断口形貌进行观察分析。
2.
A new method for elastic modulus measurement of thin films—four point bending method is presented in this paper.
提出了一种新的薄膜弹性模量测定方法──四点弯曲法 。
4) four-point bending
四点弯曲
1.
With the aid of the analytical methods of composite mechanics,a layered shear-lag model is established to investigate the multiple cracking of reinforced concrete(RC) beam reinforced with carbon fiber sheets under four-point bending.
借鉴复合材料力学的分析方法,建立一种分层剪滞模型,研究了碳纤维片材加固钢筋混凝土梁在四点弯曲载荷作用下的多重开裂破坏,求得了梁纯弯段下部钢筋保护层中的最大裂缝宽度和裂缝密度与施加载荷和碳纤维片材的粘贴层数之间的定量关系,计算结果与现有实验值较吻合。
2.
Based on the study method for mechanics of composite materials,a layering model is established for the redistribution of the stress of reinforced concrete beam strengthened by unidirectional aramid fiber sheet with crack under four-point bending load,and then the distributions of stress and displacement of all the sub-layers are obtained.
借鉴复合材料力学的研究方法,对四点弯曲荷载作用下含裂缝的单向芳纶纤维片材加固钢筋混凝土梁的应力重新分布建立一种分层模型,从而获得了各子层的应力或位移分布。
3.
In order to solve these problems,a four-point bending fatigue test system Cooper NU-14 was used to evaluate the fatigue performance of asphalt mixtures.
鉴于其在加载方式与路面实际受力状态方面存在较大差别、实际开裂模式与理论开裂位置经常不一致,笔者尝试使用一种四点弯曲疲劳试验系统(即Cooper NU-14试验系统)评价沥青混合料的疲劳性能。
5) three-point bending beam
三点弯曲梁
1.
Experimental study on fracture parameters of three-point bending beam based on smart properties of CFRC;
基于碳纤维混凝土(CFRC)机敏性的三点弯曲梁断裂参数试验研究
2.
Based on the assumption that the rotation point of the notched three-point bending beam under loading is the tip of effective fictitious crack,a new formula for calculating the fracture energy of concrete according to the measured relationship between load and crack-mouth opening displacement(CMOD) of three-point bending beam is proposed.
在采用荷载-裂缝口张开位移曲线确定断裂能思路的启发下,假设带缺口梁旋转点为等效虚拟裂缝的尖端点,根据旋转角和断裂功的概念,推导出了由三点弯曲梁试验测定的荷载-裂缝口张开位移曲线计算断裂能的计算公式,进行了不同高度的三点弯曲梁断裂试验,使用新公式计算了断裂能。
3.
The three-point bending beam fracture test for cement paste and mortar specimens with different strengths,dimensions and initial crack-depth ratios was carried out.
本文针对水泥净浆和水泥砂浆两种灌浆材料,采用三点弯曲梁进行了不同强度、不同尺寸以及不同初始缝高比的断裂试验。
6) three point bending beam
三点弯曲梁
1.
The paper also studies the function of CFRC in three point bending beam.
还对碳纤维混凝土在三点弯曲梁中的应用进行了研究。
补充资料：点绛唇 依托梁桓真人，见呜鹤余音卷四，案
【诗文】：
小小瓢儿，生得天然诧。身矬矮。瓢儿元有口，难开解。认得乾坤，此理谁能解。腰间常道人偏爱。不换金鱼袋。
【注释】：
【出处】：
小小瓢儿，生得天然诧。身矬矮。瓢儿元有口，难开解。认得乾坤，此理谁能解。腰间常道人偏爱。不换金鱼袋。
【注释】：
【出处】：
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