shield section 中文意思是什麼
shield section
解釋
屏蔽段-
In the paper, we analyze the reason and effect of the bremsstrahlung, calculate the dose in the linear section of the storage rings, and propose the defense project to shield it
針對北京正負電子對撞機（ bepc和bepcii ）儲存環直線節結構特點，分析其中殘余氣體產生的軔致輻射，計算該氣體軔致輻射所產生的劑量並提出防護措施。 -
The primary contents are as follows : 1. according to the feature and the theory of shield tunnel construction, based on the factors that cause effects on environment, the workable monitoring project is established, which include principles of design, the selection of monitoring cross section, the layout of monitoring points, monitoring content and materials feedback. such as operation program, selection of earth pressure, wall - back grouting, rectification of shield machine, which are used to reduce the effect of construction on environment, are analyzed in detail
完成的主要研究內容如下： 1 、根據盾構法的施工特點及原理，在明確了盾構施工安全影響因素的基礎上，從監測方案設計原則、監測斷面的選擇、監測點的布置、監測內容以及信息反饋等出發，提出行之有效的監測方案；詳細分析了掘進模式、土壓力選擇、壁后注漿、盾構糾偏等施工控制手段，用來減小盾構施工對周邊環境的影響。 -
2. prolonging fireproof compensation lead of precision grade connecting with k dividing code thermocouple, owning polyvinyl fluoride insulation and sheath multi - strand conductor pairs and general shield knited by tinning copper thread, which twisted by 10 compensation pairs. nominal section of conductor is 1. 5mm
2 .與k分度號熱電偶連接的延長型耐熱精密級補償電纜聚全氟乙丙烯絕緣和護套，多股絞合導體，鍍錫銅線編織對屏加總屏， 10個補償對絞合，導體標稱截面為1 . 5mm 。 -
Type selection of shield machines for large cross - section underground railway tunnel on straight rail transit line in beijing
北京鐵路直徑線大斷面地下隧道盾構機選型研究 -
Based on some calculation methods on transverse ground settlement, the mechanics of ground settlement caused by shield tunnel construction are discussed. in combination with the shield driven section from xuanwu gate station to new mofan road station of nanjing metro, the monitoring data are analyzed. mainly zone and the subordinate zone of ground settlement caused by shield tunneling is summed up, and the influence zone are definite
2 、通過對盾構推進產生地表沉降機理的論述，在總結了各種理論計算方法的基礎上，結合南京地鐵玄武門新模範馬路區間的實際情況，實測了大量的橫斷面數據，並進行分析研究，得出了盾構推進對地表影響的主區域和次區域，明確了盾構推進時對橫向地表的影響范圍，研究結論具有很好的社會效益和經濟效益。 -
Prediction of longitudinal movement and deformation of stratum in longitudinal section due to tunnel construction by shield
盾構法施工隧道縱向地層移動與變形預計 -
For the needs of second - term project for pudong airport there is possibility to construct a tunnel of serving driveway under the operating runway, but it s obviously of great difficulty, and nowdays there are few such projects for reference, so it is urgent to carry out the research to make sure of the feasibility for the construction based on the analysis of geologic information, cross section of the line and restriction of construction, in this paper three construction schemes and the effects of each scheme were analysed : cut and cover method, pipe roof culvert box advancing method. shield driving method
摘要浦東國際機場二期工程建設存在著在運營跑道下實施地下穿越的可能性，在運營跑道下實施地下穿越難度很大，而目前國內外軟土地區在跑道下實施地下穿越工程很少，因此論文通過研究分析了服務車道地下穿越跑道區域的可行性及方案。 -
Key construction techniques on the section of dashi - hanxi shield tunneling of guangzhou metro
漢溪區間盾構工程施工關鍵技術
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