高等混凝土结构理论要点

1、高等混凝土结构理论要点Stress-strain curves of concrete under monotonic, repeated and cyclic uniaxial loadings.单轴受力时混凝土在单调、重复、反复加载时的应力应变曲线。Creep of concrete (linear and nonlinear)混凝土的徐变(线性、非线性徐变)Components of deformation of concrete 混凝土变形的多元组成Process of failure of concrete under uniaxial compression 混凝土在单向受 压时破

2、坏的过程。Strength indices of concrete and the relations among them混凝土的强度指 标及其之间关系Features of stress-strain envelope curve of concrete under repeated compressive loading.混凝土单向受压重复加载时的应力应变关系的包络线的 特征。The crack contact effect of concrete and its representation in stress-strain diagram.混凝土的裂面效应及其在应力应变关系图上的表示

3、。The multi-level two-phase system of concrete.混凝土的多层次二相体系。The rheological model of concrete.混凝土的流变学模型。Influence of stress gradient on strength of concrete. 应力梯度 对混凝土强度的影响。Tensile test of concrete and result.混凝土轴心受拉试验及结果。Size effect of concrete.混凝土的尺寸效应。Non-objectivity of desending branch of stress-s

4、train curve of concrete subject to tension (gauge length dependency). 混凝土受拉时应力应 变曲线下降段应变观测的非客观性(标距依赖性)。Failure modes of concrete under multiaxial loading.混凝土在多 轴受力时的破坏形式。15Strength theories of concrete and their forms of representation.混凝土强度理论及其表述方式。16Properties of failure surface of concrete.混凝土破坏曲

5、面的特性。Types of 3D stress-strain relations of concrete.混凝土三维应力 应变关系的各种类型。Stress-strain relations of rebars under different types of loading. 在不同加载条件下钢筋的应力应变关系。The bauschinger effect of rebars.钢筋的包兴格效应。The valley of shear failure of concrete beam (Kanis 混lley). 凝土梁的剪切破坏谷(卡尼谷)。Truss model of shear resis

6、tance and its failure modes.抗剪桁架 模型及其破坏模式。Shear failure zone.剪切强度控制区。Features of shear resistance of T-beams. T 形梁的抗剪特点.Shear resistance of beams with variable depth.变高度梁的抗剪。Beam action and arch action of shear resistance.抗剪的梁作用 和拱作用。Calculation of stress in diagonal struts of truss model for shear.

7、 抗剪桁架模型混凝土斜压杆的应力计算。Solution of the statically indeterminate truss in the plastic truss theory.塑性桁架理论中超静定桁架的求解。Why should the angle of inclination of diagonal cracks duo to shear be limited?为什么要限制剪切斜裂缝的倾角？Compression fan and compression field.压力扇 和压力场。B-region and D-region. B 区和 D 区。The strut-and-tie

8、 model and its components.拉压杆模型及其组 成部分。How to determine which strut-and-tie model is better?如何判另 U 拉压杆模型的优劣？33.Analysis of flexural sections under given conditions.在给定条件下混凝土受弯截面的分析。The contribution of tension flange to the flexural strength of the beam; shear lag concept.梁的受拉翼缘对受弯承载力的贡献；剪力滞。Ductilit

9、y design of structures.结构的延性设计。The influence of confinement by stirrups on properties of concrete.箍筋约束对混凝土性能的影响。Factors influencing curvature ductility.影响截面曲率延性的因 素。Analysis of axial compression.轴压截面分析。The approximate method for strength calculation by using the convex nature of failure surfaces.利用破

10、坏曲面的凸性的承载力近似计算。How to determine the effective length of a column.柱的计算长 度是如何确定的？How will the sidesway of a structure influence the effective length of columns?结构的侧移对柱的计算长度有何影响？Equilibrium torsion and compatibility torsion and their examples. 平衡扭转、协调扭转及其例。Try to deduce the expression for plastic ultim

11、ate torque of concrete rectangular section.试导出素混凝土矩形截面的塑性极限扭矩的表达 式。Sand heap analogy.沙堆比拟。Torsional strength of complex sections made up of rectangles.由 矩形组成的复合截面受扭承载力。The angle of inclination of initial diagonal crack of a torsional member; the angle of inclination of critical diagonal crack of the

12、 member at torsional failure.受扭构件的初始斜裂缝倾角与最终破坏时的临界斜裂缝的倾 角。The curve of interaction between ultimate shear and ultimate torque.梁受剪扭时，极限扭矩与极限剪力之间的相关关系。48.The expression for shear flow in an RC rectangular section subject to torsion.有腹筋矩形截面梁受扭时剪力流的表达式。The curve of interaction between ultimate moment an

13、d ultimate torque.极限扭矩与极限弯矩之间的相关关系。What are the factors influencing the bond stress between rebarand concrete ?钢筋和混凝土之间粘结应力的大小与哪些因素有关？The distribution of bond stress along the longitudinal rebar of a beam before it is cracked.梁开裂前粘结力沿钢筋纵向的分布。The influence of the position of a rebar in concrete on it

14、s bond behaviour .钢筋在混凝土中的浇筑位置对其粘结性能的影响。The cracks caused by bond failure.粘结破坏的裂缝形式。The internal forces in a reinforced concrete slab.钢筋混凝土板 中的内力。The equilibrium equation that should be satisfied by the bending and twisting moments of a slab.板中的弯矩和扭矩应满足的平衡方程。What is the use of torque in reinforcing

15、a slab.板中的扭矩对板 的配筋有何作用？The boundary conditions at simply supported boundary and fixed boundary of a slab.板的简支边和固定边的边界条件。Factors influencing puncing shear strength.影响冲切承载力的 因素。The effect of opening on the puncing shear strength.板中开洞 对冲切承载力的影响。Features of prestressed concrete.预应力混凝土的特点。The allowable z

16、one of c.g.s. in a statically determinate beam.静 定梁中预应力筋中心线的容许区域。Equivalent load due to prestress.预应力产生的等效荷载。The concept of load balancing in designing a prestressed concrete beam.设计预应力混凝土梁时所用的荷载平衡法的概念。What is partial prestressing? Indicate this concept in themoment-curvature diagram through compari

17、son.什么是部分预应力混凝土?试用截面的弯矩-曲率图的比较予以说明。The principal moment, the secondary moment and the combined moment in a prestressed concrete structure and the relation among them. 预 应力混凝土结构的主弯矩、次弯矩、综合弯矩及这三者之间的关系。What is the linear transform of c.g.s. of a prestressed concrete structure? Of the quantities of prin

18、cipal moment, secondary moment, combined moment, support reaction, and compression line (C-line), which will change and which will not change under this linear transform?什么是预应力混凝土结 构中预应力筋形心线的线性变换？在此线性变换下，主弯矩、次弯矩、综合弯矩、 支座反力、压力线(C线)哪些变化，哪些不变化？The concept of concordant tendon.吻合钢索的概念。Establishing the equilibrium equations of a rectangular flexural section after cracking within the given coordinates under the given assumptions.在给定坐标和给定假定下建立矩形受弯截面开裂后的平衡方程。Calculation of normal sections