为此采用广角度监测技术，跟踪观测钢护筒、桩身钢筋和混凝土的应力响应。
Therefore, extensive angle monitoring is adopted to observe the structure response of steel casing, reinforcing steel bar and concrete.
使用新的技术，显着提高了塑性混凝土的应力应变曲线，显得更加稳定和可靠。
Using the new technique, the stress-strain curve of plastic concrete was significantly improved and showed more stable and reliable behavior.
提出了偏心受压的钢管混凝土考虑钢管径向应力梯度对紧箍作用影响的核心混凝土的应力-应变关系模型。
A stress-strain relation of core concrete is presented, in which the confinement effect of steel tube to core concrete is modified by the circumference stress grade.
利用矩形箍筋约束混凝土的应力一应变关系和平截面假定，建立了高强混凝土剪力墙截面曲率延性系数的计算方法。
A method to calculate the section curvature ductility index of high strength concrete shear wall is induced by using stress-strain relationship of rectangle stirrup and plane section assumption.
本文以杭州湾跨海大桥北航道非通航孔桥为工程背景，对大跨度预应力混凝土箱梁锚固区混凝土的应力应变分布特征进行了分析研究。
A study of the stress and strain distribution of anchorage zone in a long span PC box girder was undertaken in the background of Hangzhou Bay Bridge project.
文末，仅通过混凝土立方体抗压强度，建立了不同强度等级混凝土的应力-应变曲线上升段本构关系，该模型结果与试验结果吻合很好。
At the end of the paper, a stress strain response model of different concrete grade has been built only using the compressive strength, and this model coincides well with the experiment results.
利用该方法可以对结构的各受力阶段进行模拟计算，得出各阶段预弯钢梁、一期混凝土、二期混凝土的应力和结构变形，并能计算出预弯组合梁的开裂荷载和极限破坏荷载。
With the method, each mechanical stage of this kind of structure could be simulated and calculated including crack moment, ultimate strength, stresses and deflections of all stages more precisely.
1991年采取了对裂缝水泥灌浆和对裂缝区域混凝土增加预应力的方法进行修复。
Repairs were made in 1991 by grouting the cracks and installing prestressed anchors in the cracked areas.
本文研究了带裂纹混凝土梁的应力腐蚀断裂问题。
Stress corrosion cracking problem of concrete beams with crack is studied in this paper.
测量的关键参数是型钢与混凝土之间的粘结应力和滑移。
Key parameters measured are bond stress and slip between structural steel and concrete.
成层碾压混凝土结构的内部应力和位移对其设计十分重要。
It is very important for designers to understand the inner stresses and displacements of layered roller compacted concrete structure.
最后采用的方案是分段现浇的预应力混凝土箱形梁。
The successful alternative was the cast - in - place segmental prestressed concrete box girder.
最后采用的方案是分段现浇的预应力混凝土箱形梁。
The successful alternative was the cast-in-place segmental prestressed concrete box girder.
本文的主要研究内容是型钢混凝土结构和无粘结预应力混凝土结构的抗震性能和设计理论。
The main contents of this thesis are the aseismatic performance and design theory of steel reinforced concrete structures and unbonded prestressed concrete structures.
碾压混凝土坝的温度应力有它不同于常规混凝土坝的特点，必须考虑这些特点，才能得到正确的结论。
The thermal stress of RCC dam is different from concrete dams, and in order to get correct results, these different characteristics must be considered.
详细讨论了基于有限元分析的钢筋混凝土和预应力混凝土楼板的板带截面设计方法。
The section design method of slab strips for reinforced concrete and post tensioned concrete slabs is discussed in detail.
混凝土，钢筋和预应力钢筋的规定见第3部分或有关产品标准。
Provisions for concrete, reinforcement and prestressing steel are given in Section 3 or the relevant Product Standard.
应用该方法，以长细比、偏心率和初应力度为主要参数对有初应力的钢管混凝土偏压构件进行了受力性能分析。
This finite element method is employed to analyze the behavior of eccentrically loaded CFST columns, taking initial stress degree, slenderness ratio, and eccentric ratio as the parameters.
采用变形法计算混凝土应力时，假设应力在各个时段内以突变形式增加，并对这种假设带来的误差进行了分析。
When the deformation method was used for concrete stress calculation, it was assumed that the stress increased suddenly at each stage, and such an assumption led to certain errors.
因此，在损伤的预应力钢筋混凝土结构中波传播理论的研究具有广泛的应用前景。
There are extensive prospects of application for the wave propagation theory in the prestressed and reinforced concrete structures.
提出了一种带腋撑的新型钢筋混凝土(含预应力混凝土)框架结构。
A new kind of reinforced concrete (including prestressed concrete) frame structure with diagonal member is put forward.
结合原有的混凝土疲劳损伤模型，建立了预应力钢纤维混凝土板的疲劳损伤演变方程。
Based on the fatigue cumulative damage models, a damage evolution equation for flexural fatigue of SFRPC slabs is set up.
大体积混凝土的温度应力问题与温度控制要求在碾压混凝土坝中同样存在。
The problem of thermal stress and a need for temperature control in the mass concrete construction also occur in the roller compacted concrete dams(RCCD).
跨座式单轨PC(预应力混凝土)轨道梁桥结构具有承重、导向及稳定的作用。
Straddle type single track beam of Press Steel Concrete (PC) possess the action of bearing, orienting and stabilizing.
应力梯度对混凝土强度的影响。
研究目的：混凝土的徐变对预应力混凝土结构的影响不容忽视。
Research purposes: Creep of concrete has significant influence for prestressed concrete structures.
无粘结预应力混凝土梁的分析要比有粘结混凝土梁复杂得多。
Analysis of beams prestressed with unbonded tendon is much more complicated than that of bonded concrete beams.
钢筋和混凝土之间粘结应力的大小与哪些因素有关？
What are the factors influencing the bond stress between rebar and concrete?
钢筋和混凝土之间粘结应力的大小与哪些因素有关？
What are the factors influencing the bond stress between rebar and concrete?
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