界面剥离

考虑界面剥离的粘贴钢板加固RC梁非线性有限元分析

Non-linear Finite Element Analysis Model for Steel-plate Strengthened RC Beams Considering Debonding of Plate-concrete Interface

对FRP-混凝土界面剥离破坏过程、破坏模式和FRP应变分布规律进行了研究分析。

Process of FRP-concrete interface debonding , failure modes and FRP strain distribution were discussed .

GFRP加固钢筋混凝土梁界面剥离破坏分析模型

GFRP Steel Reinforced Concrete Beam Interface Delaminating Damage Analysis Model

粘贴FRP加固混凝土结构的界面剥离问题是FRP加固混凝土结构技术的关键基础问题。

The FRP-to-concrete interfacial debonding is a fundamental key problem for the strengthening of RC structures with externally bonded FRP .

然而对于FRP加固钢筋混凝土结构受弯构件经常会发生FRP与混凝土界面剥离破坏，从而使FRP材料性能不能得到充分发挥，制约了这一加固技术的发展。

While , FRP reinforced concrete structures subjected to bending often occurs FRP-concrete interface debonding , so , the FRP material performance has not been fully used , and restricts the reinforcement technology development .

众所周知，纤维增强聚合物塑料（FRP）可以有效增强混凝土构件的强度和刚度，但是对于其界面剥离破坏却很少有人研究。

As we know , the fiber reinforced polymer plastic ( FRP ) may effectively improve strength and rigidity of concrete members , however little studies were paid to its damage of interface delaminating .

基于对界面剥离破坏机理的充分认识，根据数值分析结果和试验结果，建立了CFRP混凝土组合梁剥离承载力的计算模型，并进一步提出了实用简化设计公式。

Based on the results of numerical analysis and experimental , the author set up the CFRP concrete beams spin-off bearing capacity calculation model . And propose a practical formula to simplify the design .

CFS-GFS混杂加固可以有效降低界面剥离应力，通过控制GFS在加固中所占比例，能够在保证承载力足够的情况下，改善加固界面力学性能，避免端部处发生界面或保护层剥离破坏现象。

CFS-GFS hybrid strengthening mode can efficiently depress interfacial stress , meliorate interfacial mechanics characteristics and avoid sheet end interfacial debonding failure and concrete cover separation failure by controlling GFS proportion in the process of strengthening reinforced concrete beam .

法向接触时涂层界面剥离行为的有限元分析

Finite Element Analysis of Interfacial Debonding in Normal Contact

纤维增强复合材料与砖界面剥离模型

Debonding model of frp-to-brick interface

工程实际中，薄膜/基底体系主要失效模式为薄膜在基底上的剥落，即界面剥离。

In fact , interface delamination is a typical failure mode in the thin film / substrate system .

本文提出基于压电陶瓷的钢管混凝土柱界面剥离损伤的监测方法并通过实验室构件实验加以验证。

In this paper , experimental study on debonding monitoring of a concrete-filled steel tube based on PZT is proposed .

研究发现，随着破损面积比的增大，涂层/金属界面剥离率也随之增大。

The results showed that the stripping ratio of metal / coating interface increased while the breaked area ratio got bigger .

在一定剥离长度范围内，随着界面剥离长度的增加，其裂纹应力强度因子迅速增加。

In certain stripping length range , along with the increase of stripping length interface , its crack stress intensity factor increases rapidly .

钢筋与混凝土粘结性能越好，钢筋与混凝土界面剥离长度越小，剥离速度越慢，有效的阻止裂纹的宽度的扩展。

Steel and concrete interfacial bonding performance is better , steel and concrete interface stripping length of the smaller and more slowly strip , it effectively prevent the expansion of the width of the crack .

在考虑粘结层影响的情况下给出了FRP板板端界面上剥离应力和正应力的解析表达式，分析了表达式中各物理量对界面应力的影响。

Taking the effect of adhesive layer into account , analytical formula of normal stress and shear stress at the interface are obtained and discussed .

剥离花样是裂纹沿银纹/基体界面快速剥离扩展的结果；

Peeling patterns is arised by crack propagation along with the boundary between craze and matrix .

在粘钢加固工程中，任何引起加固钢板与混凝土界面的剥离破坏，都有可能导致加固的失效，且破坏具有显著的脆性。

Any strips destruction between the steel plate and the concrete can cause expiration to the strengthened beams with bonding steel plates , also the destruction has the remarkable brittleness .

反演磁性地层界面的逐步剥离磁场法

The method of separation of magnetic field step by step for inversion of magnetic stratigraphic interfaces

刀盘刀具是盾构机的关键部件，其主要作用是支护掘进界面，破碎剥离岩土，实现碴土过流。

The cutterhead is a critical component of shield machine and it plays a major role to break rock and support the tunneling interface .

基于表界面理论分析沥青剥离机理及防治对策

Based on Interface Theory Analyse Stripping Mechanism of Asphalt and Countermeasures

由于压的径向和环向应力，在激光作用区域内的薄膜界面处可能出现剥离现象，进而导致界面裂纹的产生和扩展。

Propagation of interfacial crack induced by delamination is possibly due to the compressive radial and circumferential stresses in laser beam the irradiated region .

对受弯构件受拉翼缘外侧粘贴FRP后的界面剪应力和界面剥离应力进行了分析。

The interfacial shear stress and peel stress between the FRP and the surface of tension flange were analyzed when the FRP was bonded to the tension flange of the bending members .

结果由于股骨&假体界面两边材料性能不同，产生的较大应力差异是引起界面松动、剥离和损坏的生物力学原因。

Results The properties of interface between the bone and prosthesis were different , so the great stress difference could lead to the interface loosing , stripping and damage .

采用这些公式可以对不同荷载作用、不同粘结长度和宽度及不同梁截面形式的贴片加固梁片材端部界面最大粘结剪应力进行验算，以防止加固梁片材端部出现界面剥离破坏。

For a plate strengthened reinforced concrete beam under different loading , plate length and width and different cross section , the solution can be used to check the maximum bonding shear stress to prevent the plate debonding in the beam at the cut off point of the plate .