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At last, according to relative engineering experiences and relative criterions, the author finishes the subdivisional design of K.27+825 slopes reinforce and control project and puts forward the matters needed attention when construction.

最后,根据工程经验和有关规范,完成K27+825边坡加固防治工程的分项设计,提出了各项加固措施施工时的注意事项。

Aiming at the problem of the chimney, it is established the feasible maintenance and reinforcement scheme. Finally, it is carried out a thermodynamical analysis of the effect of the reinforcement by ANSYS. The evaluation of chimney reliability is made.

针对该烟囱存在的问题,研究制定出可行的维修加固方案,最后利用有限元软件ANSYS对加固后的烟囱进行瞬态热力学分析,并对砌体烟囱的可靠性作出合理的评价。

After analysizing the results of SSRFEM and centrifugal model test, someconclusions are drawn that, the depth of slip surface implies that the Bishopssimplied method cannot indicate the true failure mechanism for the slopes reinforcedwith piles. The rate of safety factors decreases with the pile spacing decreasing, andthe salty factor of the slopes is the largest when the reinforced piles are installed in themiddle of the slopes, regardless of pile head confining conditions, and the deflection,maximum bending moment and shear force in the reinforced piles in the criticalcollapse are the biggest meantime. The fixed and hinged head condition of the pilesresults in smaller bending moment in the piles than that in unrotated and free headcondition, therefore the restrained pile head condition is recommended in the design.

3不同特性与工况下抗滑桩与土体相互作用的数值分析与离心模型试验研究表明:采用简化Bishop法计算得到的滑动面不能反映抗滑桩加固边坡的破坏机理,抗滑桩设置在边坡中部和减小桩间距有利于提高边坡稳定安全系数,而此时抗滑桩在边坡临界破坏时的挠度、最大弯矩和最大剪力相对较大;桩头固定、铰接与桩头自由、平移相比,所加固边坡的整体水平位移及边坡临界破坏时抗滑桩的最大弯矩相对较小,而稳定安全系数则较大,因此在进行抗滑桩设计时应尽量选择桩头固定与铰接的型式,或对桩头进行锚固以改善抗滑桩的受力特性,提高边坡的稳定安全性状。

The Duncan E-v model was adopted to analyses unstrengthened dam's stress and strain in different case and estimate dam's stabilization. Reference to result of analysis, this paper put forward potentially important strengthened region.

采用邓肯张模型对未加固前小峰水库均质坝进行应力应变分析,计算小峰水库在不同工况下,其坝体的稳定情况,并依据数值所分析的结果,指出其坝体应着重加固的区域。

Seventeen simply supported beams with the dimensions of 150 × 250 × 2600mm include nine secondary-load reinforced concrete beams reinforced by CFRP, six RC beams strengthened with CFRP directly and two unstrengthened control beams were experimentally investigated.

本次试验共设计了17根截面尺寸为150mm×250mm,梁长为2600mm的试验梁,其中9根为碳纤维布加固的具有不同初始荷载的钢筋混凝土梁,6根为碳纤维布直接加固的钢筋混凝土梁,2根为对比钢筋混凝土梁。

Secondly, the improved effects on aseismic behaviour of the frames strengthened with steel angels were discussed through the loading experimental study of two frame models on shacking table. The effects of different damage degree on the dynamic properties of strengthened structures were analysed emphatically.

其次通过两榀双跨四层模型振动台的两阶段受力试验研究,探讨了外包钢加固框架对结构整体抗震性能的改善效果,着重分析了不同破损程度对加固后结构动力特性的影响。

Well-suited for applications such as reinforced slopes, basal reinforcement, temporary walls for staged construction and surcharging, and for modular block faced walls, extensible reinforcements are used primarily in commercial and residential applications where the possible elongation of the reinforcement and resulting lateral deformation can be tolerated.

非常适合于应用在加固边坡、基底加固、阶段建设和挡土墙顶上填土的临时围墙,以及模块化的盖面砌块中。可拉伸加筋体主要用于商业和住宅这类对固件延伸并因此而导致横向变形可以容许的应用中。

The article elaborated on the principle of the anchor bar support,analyzed supporting effect of driection and support parameter of anchor bar,in the field of changing state adjoining rock strained condition,flexure stress of reinforcing and reducing rock beam.

从改变围岩受力状态、形成挤压加固顶板、加固岩梁及降低岩梁所受的弯应力等方面,阐述了锚杆的支护原理,分析了锚杆的安装方向和锚杆支护参数对支护效果的影响。

The paper introduced the strengthening design and construction technology of a rigid-frame arch bridge for reference.

介绍了一座60m刚架拱桥的加固设计与施工技术,为同类型桥梁的加固提供参考。

Through model test,it analyzes damage mode of adding batten plate under vertical load,strain relation of load with flexibility、load with steel bar and carbon cloth are given,it obtains dangerous section of span beam when researched damage mechanism,which make structure can reach prospective effect.

通过模型试验,对附加缀板式这种新型结构加固后在竖向荷载作用的破坏形式进行了分析,给出了荷载与挠度、荷载与钢筋及碳纤维应变的关系,并对结构破坏机理进行了研究,得出各跨梁的危险截面,使该结构达到了预期的加固效果。

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