The paper mainly study interfacial shear stress distribution and influence parameters on the experiment of 16 RC beam strengthened with CFRP.
通过16根CFRP抗弯加固钢筋混凝土梁的试验,主要研究纤维片材端部和裂缝附近的界面剪应力分布规律及其影响因素。
The alternate test of static load and dynamic load on RC beam serves the study of the frequency change disciplinarian from integrity to destroy of RC beam.
通过对钢筋混凝土梁进行不同荷载等级下静载和动载的交替实验,得到混凝土梁从完整到破坏的频率变化规律。
Other test parameters include the level of axial load in the CFST column, the load level in the RC beam and the beam-column stiffness ratio.
其他测试参数包括水平轴向载荷作用下的钢管混凝土柱、水平荷载下的钢筋混凝土梁和框架梁柱的刚度比。
Through the way of model beam, the paper addresses the relationship between RC beam bridge attached load vibration characteristic and damaged modal.
为探明不同附加荷载下混凝土梁的频率变化规律,建立起钢筋混凝土简支梁在附加荷载作用下振动特性与破损模态之间的关系。
Experiments were conducted to investigate the shear behavior of 4 strengthened RC beams and 1 comparative RC beam under different types of loadings.
本文对4根用该工艺加固的钢筋混凝土梁和1根对比梁进行了受剪性能试验研究。
The debonding failure models of RC beam strengthened with FRP are theoretically analyzed. It is pointed out that interface shear stress concentration is the main cause to lead to debonding failure.
对纤维布加固混凝土梁发生粘结剥离破坏进行了理论分析,发现其破坏原因主要是界面间产生应力集中;
Results show that ultimate bearing capacity of RC beam strengthened by composite CFRP sheets is much higher than that of direct pasting CFRP. Cracking load and ductility are improved higher too.
结果表明:与直接粘贴CFRP布相比,采用剔槽植入钢筋置换混凝土灌胶再粘贴CFRP布复合加固方案加固的梁极限承载力有显着提高,开裂荷载及延性有较大提高;
The calculation on the residual capacity of RC beam post fire is on the premise that the member can use continue after repairing.
火灾作用后构件的剩余承载力的计算是以构件经修复后可以继续使用为前提的。
In addition, some graphs describing the technical states of the RC beam bridge superstruct…
并从试验及理论计算中获取一些描述梁式RC桥梁上部结构技术状态的数据。
Experiments were conducted to investigate the flexural behavior of 6 strengthened RC beams and 1 comparative RC beam under different types of loadings.
本文对6根用该工艺加固的钢筋混凝土梁和1根对比梁进行了受弯性能试验研究。
The results show that the bonding steel on RC beam can hold back the cracking in the beam effectively and the software ANSYS …
模拟结果表明粘钢加固能够有效地抑制裂缝构件中的开展,而利用ANSYS软件可以很好地模拟粘钢前后梁的开裂等非线性现象。
The present method will check maximum anchorage shear stress on the end of shear sheet so as to prevent RC beam from local damage.
采用文中方法可以对钢板端部最大锚固剪应力进行验算,防止混凝土梁出现局部受拉破坏。
The slip effect of bolting bottom face and side face plate of RC beam is derived under elastic condition and its influence on strength and rigidity of RC beam is obtained.
在弹性条件下,对锚栓钢板梁底面布置及梁侧面布置两种加固方式进行了滑移效应的理论推导,得出了滑移效应对梁强度及刚度的影响算式。
In addition, some graphs describing the technical states of the RC beam bridge superstr…
并从试验及理论计算中获取一些描述梁式RC桥梁上部结构技术状态的数据。
The damage of a simply supported RC beam was investigated; the identification results reflected the structure damage distribution well.
应用该方法对一钢筋混凝土简支梁的损伤问题进行了研究,识别结果较好地反映了结构的损伤分布。
The shear span ratio can affect the failure mode of RC beams strengthened with GFRP sheets. A theoretical model for flexural behavior of the strengthened RC beam is also developed.
剪跨比对加固梁的破坏形态有影响。根据不同的破坏模式,提出了抗弯承载力计算方法。