Since the general turnout can not do, we must develop a special turnout - bifurcated track heart activity.

既然普通道岔做不到，就必須研制特殊道岔——活動(dòng)心軌道岔舔美女屁眼的视频一区二区。

The paper introduces the concept of curve following turnout branch line and some relevant regulations,discussing maintenance method of mini-typed curve on railway with coordinate method based on original curve following turnout branch line at Rolling Line No.

介紹道岔附帶曲線概念及其有關(guān)規(guī)定Xxxxxav视频，結(jié)合中3條原有附帶曲線的特點(diǎn)，闡述用坐標(biāo)法對(duì)鐵路線路上小型曲線的維修方法xigouqi.com。

In order to control the insufficient transition displacement of the long rail components to ensure the high regularity of turnout and its locking reliability, a transition design method for long rail components and double limb elastically bendable turnout frog structure was established using the finite element method, a new roller sliding platform was developed, and the transition traction point layout and stroke design were optimized.

為控制長(zhǎng)大軌件轉(zhuǎn)換不足位移黄色视频免费二级毛片，確保道岔的高平順性和鎖閉可靠性久久精久久精久久精品99，運(yùn)用有限單元法進(jìn)行長(zhǎng)大軌件及雙肢彈性可彎心軌結(jié)構(gòu)的轉(zhuǎn)換設(shè)計(jì)，研制出新型輥輪滑床臺(tái)久久精品视频在现，并優(yōu)化了轉(zhuǎn)換牽引點(diǎn)布置及其動(dòng)程設(shè)計(jì)亚洲永久精品愉拍自拍。

The model of jointless turnout on bridge is built up by using the finite element method,the forces and displacement of jointless turnout are computed,and the influences on jointless turnout of bridge structure are analyzed.

本文采用有限元分析的方法，建立橋上無(wú)縫道岔的模型精品欧美日韩，計(jì)算橋上無(wú)縫道岔的受力和變形，并分析了橋梁結(jié)構(gòu)對(duì)無(wú)縫道岔的影響精品视频网站。

As a rising subject, the vehicle-turnout system dynamics has been founded initially at the present to study the vibrative characteristics of vehicle subsystem and turnout subsystem while the train passing through the turnout zone.

車輛—道岔系統(tǒng)動(dòng)力學(xué)作為專門研究鐵道車輛通過(guò)道岔時(shí)車輛系統(tǒng)與道岔系統(tǒng)振動(dòng)特性的新的研究領(lǐng)域在线国产视频你懂，目前在國(guó)內(nèi)外已逐步開(kāi)展。

Aiming at the ballasted continues welded track and turnout structure on the normal embankment, stability analysis model of continues welded track is established by finite element method to avoid the disadvantages of traditional methods, compile the finite element analysis program and make comprehensive analysis on the lateral deformation and vibrational characteristics caused by temperature force of the continues welded track and turnout str ucture.

本文針對(duì)有砟軌道普通路基上無(wú)縫線路及無(wú)縫道岔軌道結(jié)構(gòu)一级精品在线，運(yùn)用有限元法AAA小黄片，建立了三維無(wú)縫線路穩(wěn)定性分析模型，避免了傳統(tǒng)理論假設(shè)過(guò)多的弊端igao视频社区，基于有限元分析軟件免费观看的黄色网站在线，編寫了有限元分析程序，對(duì)無(wú)縫線路和無(wú)縫道岔的橫向變形和橫向振動(dòng)特性進(jìn)行了全面研究日韩一级精品，主要研究?jī)?nèi)容有：1欧美日韩午夜影院人妻。

With the harmony between vertical and lateral deformation of long rail components taken into account, a transition locking structure for large expansion volume, an ending structure of the switch, a nose rail that both transfers longitudinal force efficiently and maintains turnout regularity, and a fastener system suitable for both ballast and ballastless track were developed to solve the transition choking problem of jointless turnout.

為解決無(wú)縫道岔轉(zhuǎn)換卡阻問(wèn)題，在考慮長(zhǎng)大軌件縱橫向協(xié)調(diào)變形的基礎(chǔ)上99精品国产高清久久久久久，研發(fā)了適應(yīng)大伸縮量的轉(zhuǎn)換鎖閉機(jī)構(gòu)日本高清中文字幕、既可有效傳遞縱向力又可保持道岔平順性的尖軌及心軌跟端結(jié)構(gòu)和適用于有砟和無(wú)砟軌道基礎(chǔ)的扣件系統(tǒng)。

Research purposes:The paper gives an introduction to the additional force transfer mechanism of welded turnout on ballastless track,presents the calculation model for welded turnout on ballastless track, calculates additional force and deformation of welded turnout on ballastless track by FEM,the result is compared with ballast track.

研究目的：分析無(wú)砟軌道基礎(chǔ)上無(wú)縫道岔的縱向力傳遞機(jī)理美女被操下面，建立無(wú)砟無(wú)縫道岔計(jì)算模型殴美A片免的视频刺激的，采用有限單元法計(jì)算了無(wú)砟無(wú)縫道岔受力及變形，并與有砟軌道無(wú)縫道岔進(jìn)行了對(duì)比分析亚洲国产区中文在线观看www，為無(wú)砟無(wú)縫道岔設(shè)計(jì)提供參考依據(jù)永久免费看A片无码不卡网站。

Based on the wheel/rail multi-point contact in turnout zone, a dynamic design theory for high-speed railway turnout was established and several creative designs were made, such as separated semi-tangent switch plane linetype, horizontal hidden nose structure of turnout frog, short transitional top surface figure of the switch rail, and track stiffness of turnout with even elasticity.

基于道岔輪軌多點(diǎn)接觸關(guān)系，建立了高速道岔動(dòng)力分析理論韩国2022最新理论电影，并設(shè)計(jì)出適合我國(guó)高速道岔的相離式半切尖軌平面線型女的高潮喷水视频、心軌水平藏尖結(jié)構(gòu)、尖軌短過(guò)渡頂面輪廓和彈性均勻的岔區(qū)軌道剛度欧美日韩午夜性直播。

The paper summarizes systematically the existing state of the structure of slide plate of turnout at home and abroad, improves and optimizes the structure of slide plate of speed-up turnout against the existing problems of slide plate of speed-up turnout such as failure tightening force, cracks in spring shim and pin, large surface resistance of slide bed-plate, difficulty in gauge adjusting and so on.

本文較為系統(tǒng)地總結(jié)了國(guó)內(nèi)外道岔用滑床板的結(jié)構(gòu)現(xiàn)狀怎样一直看国外A片，針對(duì)提速道岔用滑床板存在的扣壓力失效、彈片與銷釘出現(xiàn)裂紋激情久久AV一区AV二区AV、滑床臺(tái)板表面阻力大精品综合、軌距調(diào)整困難等問(wèn)題，改進(jìn)和優(yōu)化了提速道岔用滑床板的結(jié)構(gòu)一级A片欧美大片免费播放。