Study on calculating model of bond stress between reinforcing bar and concrete 钢筋与混凝土粘结应力计算模式的研究
The Method of Determining the Actual Stress of Reinforcing Bar in the Undestroyed Reinforced Concrete Structure 非破坏钢筋混凝土结构钢筋实际应力测定法
A Practical Method on the Tower Loading Test and the Stress Measuring of Circular Bar 塔架负荷试验与圆杆应力测定的实用方法
Analysis on Reasons Effecting Calculated Stress of Steel Bar in Foundation Slab 影响基础底板钢筋应力计算值的原因综合分析
Simulation test and finite element method are used to study behaviors of corroded unbonded reinforced concrete beams. Factors that influence the stress of steel bar in heavily corroded reinforced concrete members are investigated in detail. 对锈蚀无粘结钢筋混凝土受弯构件进行了模拟试验与有限元分析,系统分析了严重锈蚀混凝土构件中钢筋应力水平的主要影响因素;
The Theoretic Root to Bond Stress Between Reinforced Bar and Concrete and its Application 钢筋锚固段粘结应力的理论解及其应用
The formulas involve the main factors ( steel bar stress, steel bar diameter, reinforcement ratio, steel bar arrangement, cracking strength of section, property of load, thickness of concrete cover, property of concrete, etc.). 公式考虑了影响裂缝开展的主要因素(钢筋应力和直径,配筋率,配筋方式,截面抗裂性,荷载性质,保护层厚度,混凝土性质等)。
The surface residual stress of tube and bar after drawing straightening and annealing, under different processing conditions, were measured by means of resistance strain gauge. 用电阻应变片法测试了管棒材拉拔、矫直和退火过程中产品表面残余应力,研究了管棒材残余应力随工艺参数变化的规律。
The method of analysis of stress and deflection of steel cable bar structure& one of the method of the fixing system of dot point fixing glazing are discussed, and stress coefficient of cable bar structure design are deducted as a reference for designers. 讨论了点支玻璃幕墙支承结构之一的钢索杆结构的内力分析及挠度计算的简化方法,并提供了索杆结构的内力系数表,供设计人员参考。
Based on the stress analysis of stabilizer bar, deduced its equivalent roll angular rigidity in wheels, and presented its calculation formula of correspondent stress and the cross section location of maximum stress. 基于对横向稳定杆的受力分析,推导出其等效在车轮处的侧倾角刚度,给出了稳定杆截面相当应力的计算公式和最大应力横截面的位置。
In the paper, practical formulas for calculating the internal force of pre stress bar is presented by using vibration test data combined with structural dynamic analysis. 本文利用振动测试方法,结合结构动力学原理,提出了测试受力钢筋内力的实用公式,并通过试验对公式进行了验证。
Research on concrete beam with bonding inherent stress FRP bar 有粘结预应力FRP筋混凝土梁的研究
As the bolt tension increase, the tension of rail web, stress of joint bar and stress of joint bolt would increase accordingly, but the displacement of rail would become smaller. 螺栓扭矩增大,接头区钢轨轨腰拉力、夹板应力、螺杆内应力都会增大,而钢轨位移会随着螺栓扭矩的增大而减小。
It introduces basic mode of cross section of inherent stress concrete member bar, discusses rigidity and strength of different inherent stress, and illustrates basic design principle of cross section of inherent stress concrete member bar, which to extend application of inherent stress concrete structure. 介绍了预应力混凝土杆件断面的基本形式,就不同断面预应力的刚度及强度进行了探讨,详细阐述了预应力混凝土杆件断面设计的基本原则,以推广预应力混凝土结构的应用。
The investigation and application of crack technique in stress bar severing 裂纹技术在应力下料中的研究与应用
Analysis on cross section of inherent stress concrete member bar 预应力混凝土杆件断面形式简析
Tests and research on distribution of bond stress between bar and mortar 砌块专用砂浆与钢筋的粘结应力分布的试验研究
Dynamic Stress Concentration of a Bar with Two Semicircular Grooves under Axial and Bending Impact 双半圆槽直杆受轴向和弯曲冲击时动应力集中的实验研究
Bifurcation problem caused by propagation of stress in finite length bar subjected to axial impact 受轴向冲击有限长弹性直杆中应力波引起的分叉问题
A discussion on calculating pull-apart extension value of space curve inherent stress reinforcing bar 关于计算空间曲线预应力筋张拉伸长值的探讨
The problems existent now in the field are discussed, with personal views and the prospect of stress bar severing in the future is also given. 对目前应力断料领域尚存在的问题进行了探讨。
The program also parts of post-process functions including the random distribution of steel fibers in concrete matrix, structure shape map, discrete structure mesh map, structure displacement map, cracking map, stress map of steel bar. 程序也实现了部分后处理功能,包括钢纤维在混凝土基体中的随机分布、结构网格划分图、裂缝开展图和钢筋应力图等。
Curve fitting method of bond stress distribution in steel bar pullout test 钢筋拉拔试验中粘结应力分布的曲线拟合
Some practical formulas of nonlinear analysis are obtained for calculating the bond stress, the slip and the stress of steel bar. 得出了计算粘结应力、滑移及钢筋应力的非线性实用公式。
The characteristics of the hysteretic performance, the stress development of steel bar; steel shape, concrete in the loading process, the location and trend of crack development, the failure modes of component were analyzed. 并分析了构件的滞回性能特征,加载过程中钢筋、型钢和混凝土的应力变化,裂缝的开展位置和趋势以及构件的破坏形式。
Some fundamental knowledge on stress wave, coaxial strike between two bars, propagation of stress wave in the bar and attenuation effect when stress wave spread in the bar has been discussed. 分析了应力波方面的一些基础知识,两杆共轴撞击及应力波在杆中传播的过程,以及应力波在传播过程中的弥散效应。
Finally, the paper gives a new method to calculate the stress of reinforcing steel bar and steel liner of half embedding penstock. 针对半埋藏式钢衬钢筋混凝土压力管道,提出了一种新的简化计算方法。
Fatigue curve was fitted by the relationship between stress amplitude of steel bar and fatigue life of RC beams strengthened with advanced glass-fiber composites, and the fatigue limit value of the strengthened RC beam is deduced by the curve. 本文通过加固梁的钢筋应力幅值与疲劳寿命的关系,拟合出疲劳曲线,并且由疲劳曲线得到了加固梁的疲劳极限值。
According to the pavement stress and dowel bar stress of the basalt fiber reinforced polymer cement concrete pavement under the action of load to carry out the geometry size of basalt fiber reinforcement polymer dowel bar and the pavement structure design in layout slab, etc. 根据荷载作用下玄武岩纤维筋水泥混凝土路面应力、传力杆应力等,开展玄武岩纤维筋传力杆的几何尺寸、在路面结构中的布置方案设计等研究。