The calculating theory and designing method of pre-stress reinforcement concrete structure plasticity is one of thorny problem that the theory circle and project circle pays close attention to.
预应力混凝土结构塑性计算理论与设计方法是理论界和工程界十分关注且较为棘手的问题之一。
The present method provides a new way for the distributed stress measure of large structures, especially the prestressed reinforcement in prestressed concrete structures.
该传感测试方法为大型结构特别是预应力混凝土结构中预应力筋的应力分布测试提供了新的解决思路。
Reinforcement and concrete bear loads together by bonding on their interfaces, and interface stress is a discontinuous medium-related mechanical problem.
钢筋与混凝土主要通过界面黏结作用来共同承受荷载,在界面上的受力属于不连续介质的力学问题。
Results indicate that reinforcement index can reflect effects of both concrete strength and reinforcement ratio on the steel stress.
结果表明,截面配筋指标可综合反映混凝土强度和截面配筋率对受拉钢筋应力水平的影响;
Experimental results show that, by pasting CFRP for reinforcement, the service life of the bridge as well as its strength can be raised while its stress and deflection can be reduced.
静载试验结果表明,应用粘贴碳纤维加固技术可提高桥梁的强度和使用寿命,降低其应力和挠度。
This article has made an photoelastic study of the influences of geological structure on the stress distribution of wall rocks and an estimate of the rational range of reinforcement.
本文介绍了用光弹法讲究地质构造对洞室应力分布的影响,预估围岩的合理加固范围。
The process and effection of composite reinforcement system were studied by pipeline reinforcement room experiment and pipeline water stress experiment.
最后通过含缺陷管道室内修复试验和水压爆破试验,研究复合材料修复技术的施工工艺和修复补强效果。
It shows that the failing stress is independent of kinds of reinforcement, but relate to tensile strength of concrete.
在配筋直径相当的情况下,开裂粘结应力和破坏粘结应力与筋种无关,而只与混凝土的抗拉强度有关。
There will be great stress concentration appearing nearby the junction of nozzle and shell of pressure vessels with big openings, so reinforcement is absolutely necessary.
大开孔压力容器在开孔接管部位有很大的应力集中,必须进行补强。
Structural reinforcement measures were proposed in order to reduce the stress level of the joint which can not be effectively reduced by increasing the thickness of the cylinder or tube wall.
当用增加筒体壁厚或者接管壁厚的方法不能有效地降低带长矩形接管受压圆筒体的应力强度时,提出了采用加强筋的方法,此措施可达到显著降低矩形接管部位应力水平的目的。
Terzaghi, the mechanism of improving the soft ground by vacuum well-point dewatering and preloading and the change of effective stress and effective reinforcement depth were studied.
采用太沙基有效应力原理并结合观测得到的数据,对真空井点降水联合预压加固软土地基的机理及加固有效深度、有效应力的变化问题进行了理论分析。
The stress which acts on the plant root in the crag earth medium is very complexity and polytrope, so determining its reinforcement ability is extremely difficult.
植物根系在岩土介质中受力的复杂性、多变性,使得确定其加固能力十分困难。
Application of compound glass fiber cloth into the reinforcement of old Bridges can guarantee the stress components to work jointly and provide an overall support against the load.
采用高强复合玻璃纤维布进行旧桥加固,能够保证受力构件协同工作,结构整体受力,共同承担荷载。
The manufacturing technology, stress conditions, construction rules and reinforcement calculation of the laminated floor slabs with cold-rolled-twisted bar are investigated in this paper.
研究了冷轧扭钢筋键式叠合大楼板的制造工艺、受力情况、施工规程和设计配筋计算。
This solution can easily control the structure stress and displacement after reinforcement.
此方案能够很好的控制加固后的结构应力、位移。
Using the numerical method, the reinforcement mechanism of soil-nailing based on stress path analysis was studied.
采用数值方法,从土体应力路径的角度研究了土钉支护的工作性能和加固机理。
The results indicate the effect of element dimension on the stress of penstock surrounding concrete and reinforcement is smaller than penstock;
经分析单元尺度对坝后背管混凝土、钢筋的应力影响小于对钢管的影响;
Then the relationship of the reinforcement steel corrosion and the bond stress between the concrete and the reinforcement steel is also analysed.
分析了钢筋与混凝土间粘接力与钢筋锈蚀程度的关系。
Based on experimental results, the stress of the rc beams under different unloading condition is analyzed, the formulation is deduced and it provides a reference for the reinforcement design.
结合试验结果,对粘钢加固混凝土梁在不同卸载条件下的受力机理进行解析分析,推导相应计算公式,为加固设计提供参。
These experiments mainly aim at determining the deflection and stress of beam slab structure before and after reinforcement.
静载试验的内容是测定加固前后梁板结构的混凝土应力和挠度。
This paper analyzes in detail the stress characteristics of the reinforcement of the concrete structure and proposes several reinforcement schemes.
文章针对混凝土结构加固的受力特征进行了详细分析,并提出了几种结构加固方案。
The fatigue resistance of the butt welds can be improved by means of removing the weld reinforcement and designing the weld in the maximum shear stress plane.
去除焊缝余高或将焊缝设计在最大剪应力平面内可明显改善对焊接头的疲劳性能。
In this paper, the stress state of an ellipsoidal head with pipe reinforcement holes analysed by the finite element method is presented.
本文采用有限元法分析了管壁加强开孔椭球壳的应力状况,讨论了壳体温度对于壳体应力和材料强度的影响。
The results show that the homogeneous stress and strain profiles can be obtained by adjusting the distribution of hole for a given number of holes on the surface of the reinforcement.
结果表明,孔隙率不变的情况下改变增强体上孔排布方式,可以获得均匀分布的的表面应力和应变;
The traditional method which focuses on displacement, stress and yield zone has some difficulties in stability and reinforcement analysis during excavation in underground engineering.
地下工程的开挖稳定和加固分析是岩土工程中的难题之一。
Reinforcement with glass fiber fabrics results in excellent dimensional stability which means the board will not warp and twist under stress and heat.
诺斯罗伯介绍说“玻璃纤维的加强材有优异的尺寸稳定性,这意味着电子板不会在受压或受热的情况下扭曲变形。”
When it was tensile failure, the curve of stress-strain relationship was softening and the reinforcement only increased the angle of internal friction of soil.
当发生拉断破坏时,其应力-应变曲线为软化型,此时加筋仅增加土体的粘聚力分量;
The stress principle of beam is analysed by the method of truss analogue, and different principle of different reinforcement forms has been explored.
运用桁架比拟理论对缺口梁端部的受力模型进行了分析,探索了不同方式加固效果存在差异的原理。
Optionally the reinforcement may be tensioned, to pre-stress the bond beam.
可选择地,加固 件可以被张紧以对结合梁施加预应力。
The sensing system provides a new exploration into the quasi-distributed stress monitoring of prestressed reinforcement.
此传感系统的研究为预应力筋应力状态的准分布测试探索了一条新的解决途径。
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