管片 的英文怎麼說
中文拼音 [guǎnpiān]
管片
英文
duct piece-
The optimization of mixing design and steam - curing technology for tbm precast segments
預制管片混凝土配合比設計與蒸養工藝優化Numerical study of heat transfer and pressure drop characteristics on staggered round tube - fin heat exchanger
管片式換熱器傳熱與阻力特性的數值研究Segment joint stiffness k ( subscript ) is an important parameter for the design of shield tunnel segment
摘要盾構管片接頭彎曲剛度k （下標）是盾構襯砌結構計算中的一個重要參數。In order to make convenient application for engineering, the article has established a bilinear joint stiffness model for shield segment joints
為了應用方便，建立了實用的管片接頭彎曲剛度的雙直線模型。If we can accurately ensure the rigidity coefficient, the result of mathematic analysis method can approach the fact accurately by applying contact mechanics theory, we can deal with the lining and lining as contact problem of two bodies. using pretension bolted solid finite element simulate bolt at linings. thus not only considers perpendicular rigidity but also considers the tangent contact rigidity
（ 4 ）通過運用接觸力學的理論，將管片與管片的接頭抽象成為兩個體與體的接觸問題，在管片處的螺栓採用有限元中的實體螺栓預緊單元進行模擬，這樣不但考慮了管片與管片處的法向剛度接觸而且考慮了管片與管片間的切向接觸剛度。Numerical analysis of heat transfer enhancement of fin - tube heat exchanger with vortex generatoring resulting from the variation of angle of attack
攻擊角對渦產生器式管片換熱器換熱影響的數值分析Test research and fem analysis on subway liner segment to guard temperature crack
地鐵襯砌混凝土管片防溫裂試驗研究及有限元分析The machine designed for expanding tubes inserted into the fin parcel, in order to get a compact coil and thus obtain thermal exchange
產品說明:該機是管片式熱交換器的散熱片與換熱管的漲接設備，經漲管后，使管、翅片緊密漲接為一體以達到較高的熱交換率。Study on high performance concrete of precast shield segments
預制盾構管片的高性能混凝土研究Technique of manufacturing concrete segment of beijng metro line
北京地鐵5號線混凝土盾構管片預制技術Steam - curing technology and its improvement for concrete segments of subway
地鐵管片蒸汽養護工藝及其改進Technical research of high performance concrete of shield machine lining plate
盾構管片高性能混凝土技術研究Application of high performace concrete in lining segment of shield driven tunnel
高性能混凝土在盾構隧道管片中的應用Study on factors influential in metro shield tunnel segment joint bending stiffness
地鐵盾構隧道管片接頭剛度影響因素研究Research of steam curing auto control system for precast concrete segment of shield
預制混凝土盾構管片自動控制蒸養系統的研究Tube piece assembly system of earth pressure balance shield machine and its troubleshooting
土壓平衡式盾構機管片拼裝系統故障排除Because the observation of interior crack is not always available, this paper laid emphasis on surface crack of segments
由於管片內部裂縫觀測難以實現，故重點研究了表面裂縫的影響。1. under the same kind of wall rock and the same condition, displacement of pipe liner is symmetry, for tunnel structure and suffered load are symmetry. as level terra stress is bigger, the maximum of displacement and the first main stress occur in tie - in of pipe liner structure, and its direction is radial and points in hole ; the direction of the third main stress is annular and its maximum occurs in top and bottom hole inner
1 、同一類圍巖在同一種工況下，由於結構和荷載的對稱性，管片襯砌結構的位移也表現出對稱性，因水平向地應力較大，位移最大值、第一主應力的最大值發生在管片襯砌結構的接頭處，方向為徑向指向洞內；第三主應力的方向為環向，較大值發生在洞頂和洞底內側。3. under different kinds of wall rock and the same condition, from ii iii v kinds of wall rock, and conditions of construction period and operation period, it gradually increases that the maximum of displacement and the first main stress third main stress of pipe liner structure
3 、不同種類圍巖在相同的工況下，從、 、類圍巖看，不論是施工期還是運行期，管片襯砌結構的位移的最大值和第一主應力、第三主應力最大值都逐漸增大。2. under the same kind of wall rock and different conditions, the maximum of displacement and the third main stress of pipe liner structure in construction period is bigger than these of operation period, and the maximum of the first main stress of pipe liner structure in construction period is smaller than these of operation period
2 、同一類圍巖在不同工況下，施工期管片襯砌結構位移的最大值、第三主應力最大值比運行期要大，施工期的管片襯砌結構的第一主應力最大值比運行期要小。分享友人