建立了一种新型压痕底模系统的模型，并测试分析了不同压痕条件下纸板的抗弯应力曲线和最大抗弯应力值。
The bending curve and the maximal bending stress of the cardboard under different indentation conditions were tested and analyzed.
道床动弯应力和路基面动应力随车辆速度的增大而增大，道床中部裂纹对道床动弯应力和路基面动应力的影响更为明显。
The crack at the middle of the track bed has more effect on dynamic bending stress of track bed and dynamic stress of subgrade than crack at other location.
本文对三种新型钢轨接头现场使用情况的测试结果进行了介绍，主要包括测点处的钢轨接头夹板上、下缘动弯应力、夹板水平中性轴处剪应力。
The testing results about the use of new rail joint was introduced, which include the dynamic flexure stress of upper limb and lower margin of joint bar, shearing stress of horizontally neutral axis.
避免在工作辊辊端部位应力过于集中。确保弯辊得到很好的控制。
Avoid high stress concentrations at the ends of the work roll barrel. Ensure good control of roll bending.
研究掺聚醋酸乙烯水泥砂浆的轴拉和轴压应力—应变关系、抗弯性能以及长期粘结抗弯强度。
This paper delivered the relationships of uniaxial tensile and compressive stress with strain and bending properties, and felt-bending strength of cement mortar with polyvinyl acetate (PVAC).
研究表明在超载重载条件下高等级沥青路面结构设计中以基层底部弯拉应力为设计指标控制较为合理。
The research results show that the flexible-tensile stress under the basement is the suitable design control index for the asphalt pavement structure of expressway under overload.
再次，讨论了预应力、混凝土徐变、箱梁抗弯刚度等对桥梁结构下挠的影响。
Thirdly, pretressing, concrete creep and bending rigidity of box girder are studied to discuss their impacts on the deformation of girder.
以随机动应力统计特征为依据，校核织布机弯轴的强度，并建立新的可靠性指标。
Based on the statistical character of random kinetics stress the strength of loom crank shaft is calibrated, and new reliability indexes are established.
分析中包括了搭板的几何尺寸、材料因素、地基非均匀、枕梁及沥青加铺层对搭板弯拉应力及变形的影响。
The influence of geometric size, material properties of the slabs, inhomogeneous subgrade, sleeper beam and bituminous overlay on the bending stresses and deflection is investigated.
采用电阻应变测量技术研究了带有初始随圆度的弯管在纯内压作用下的应力分布。
The stress distribution of a curved pipe with an initial elliptic cross section under internal pressure was studied by using electric resistance strain method.
运用三维空间有限元方法，通过具体实例定量分析了重载车辆对沥青路面的路表弯沉、结构应力的影响，论证了重载车辆对沥青路面结构的破坏作用。
In this paper, the effect of heavy vehicles on asphalt pavements with respect to deflection and stress of pavement structures was analyzed quantitatively by examples.
这些参数为索预应力、索垂度、拱矢高、拱竖向抗弯刚度以及索和拱的轴向刚度比。
These are prestress in cables, sag of cables, rise of arches, the vertical flexible stiffness of arches and the axial stiffness ratio between the cable and the arch.
首先给出了半管加热管及壳体的弯距、剪力及最大应力计算公式。
In this article, it shows formulas to calculate bending moment, shear strength and maximum stress of heat tracing pipe and shell body.
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.
结果显示应力最大点出现在后弯梁加强板上端部。
The result show that strongest point of stress appear in the top of strengthen board on back bend beam.
通过典型路面结构模式的计算分析，得出柔性路面层底最大弯拉应力发生的位置，有助于简化设计过程。
Through the analyzing and calculating of representative pavement structure, it is helpful for simplifying the design process to get the maximal bend stress position of flexible pavement.
计算结果表明：当纵坡增大时，弯沉与层底拉应力的增幅并不十分明显，而剪应力的增幅则比较显著。
The results show deflection and increase in bottom stress level is not very obvious, but the increase of shear stress are more significant with the increase of longitudinal.
因此，对厚壁双冷弯槽钢焊接组合截面构件而言，确定其稳定承载力时应考虑焊接残余应力和冷弯残余应力的共同影响。
So for thick-walled double channels with welding composite section, the combined effects of the cold-formed and welding residual stresses shall be considered to assure the stability bearing capacity.
该变形反映了板在各个受力阶段的抗弯性能，也在很大程度上直接影响着冲切锥面上的应力分布和板的抗冲切能力。
The deformation not only reflects the flexure behavior of slab at every loading stage, but also affects the stress status on the surface of punching shear cone and the ultimate capacity of the slab.
高层建筑箱形转换层具有应力分布合理和抗弯、抗剪、抗扭刚度大等结构特性。
The box transition storey of tall building has the characters of rational stress distribution and large stiffness of bending, shearing and torsion.
对于承受内压的异径弯管，经向应力的危险截面是异径弯管的小端口横截面，符合直管的特征。
The dangerous section of meridian membrane stress of bend reducer under internal pressure is the section at large end, with the character of tube.
有的弯管由于局部应力较高，蠕变损伤明显。
Creep damage was marked in some bend which local stress is higher.
介绍某预应力钢筋混凝土斜弯坡桥在工程即将完成之际，进行桥面铺装之前发生沉降情况及原因分析，并对沉降后的桥梁进行复原与加固。
Described in this paper is the settlement of some prestressed RC bridge which occurred when deck pavement was to be paved, including analysis of the causes, and recovery and enhancement thereof.
研究了体外预应力钢-混凝土组合梁在正常使用极限状态下的受弯性能。
It is researched that the bending behaviors of external prestressed composite steel-concrete beams in service ability limit state.
通过对预应力混凝土受弯构件的受力分析，提出了预应力混凝土受弯构件中预应力钢筋代换的基本方法。
By analysing the force of pre-stressed steel in prestressed concrete bending component, the change method of prestressed steel in prestressed concrete are introduced.
介绍了高流态自密实砼的性能、配合比设计方法及其在中等强度等级预应力受弯拉砼构件中的应用试验及测试情况。
This paper introduced the characteristics of high dense fluid concrete, design of batching ratio, the experiment and test of bent concrete component in medium hardness prestress.
最后介绍变高度薄壁箱梁的弯剪应力计算原理和公式。并指出其他计算公式的不足之处。
Finally the theory and formula of bend-shear stress calculation in prestressed thin wall box beams with variable depth are introduced and it is indicated that other formula is inadequate.
为避免钢混凝土连续组合梁发生局部失稳，对负弯区钢梁腹板在弯曲应力、轴向压应力和剪应力联合作用下的力学性能进行了研究。
The mechanical behavior of steel webs with negative bending was studied with combined stress loads of flexure, axial pressure and shear to prevent local buckling in continuous composite beams.
试验研究了22根无粘结和4根有粘结部分预应力梁在三分点荷载作用下的抗弯性能。
The study was both experimental and analytical. 22 partially prestressed concrete beams with unbonded tendons and 4 with bonded tendons were tested.
试验研究了22根无粘结和4根有粘结部分预应力梁在三分点荷载作用下的抗弯性能。
The study was both experimental and analytical. 22 partially prestressed concrete beams with unbonded tendons and 4 with bonded tendons were tested.
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