縱向縫 的英文怎麼說
中文拼音 [zōngxiàngféng]
縱向縫
英文
longitudinal seam-
This indicated that the fracture had initiated at the unfused butt weld in the longitudinal stiffener.
研究表明裂紋是從縱向加勁助未熔透的對接焊縫中起始的。In this system, the oil pipe be locally magnetized through the longitudial and circumferential direction, the oil pipe be circumvolved by the electromotor, the detector will has a linear movement on the surface of the pipe, so it can realize the combined testing of horizontal flaw ( cankerous pits and cankerous holes etc. ) and vertical flaw ( pole flaw and crack etc )
該系統在油管局部實施軸向和周向磁化，油管由電機主軸帶動旋轉，檢測探頭緊貼油管直線運動，從而實現對腐蝕坑、腐蝕孔等橫向缺陷和桿狀損傷、劈縫等縱向缺陷的綜合檢測。In addition to, the fatigue crack between web and upper flange of welded steel crane beam on heavy duty service was discussed, and based on long - term observation and research, the author classified fatigue crack into bearing type and middle type crack along the horizontal direction. the causation, distributive law and mechanism of the crack were analyzed, and the precautions to take and the measures to remedy crack were presented. the main defacts including damage, crack, erosion and aging in structures, especially in concrete structure were introduced ; the defact mechanism was analyzed and the precautions to take were also given
另外，作者對重級工作制焊接鋼吊車梁腹板與上翼緣連接焊縫的縱向水平疲勞裂縫進行了長期的觀察和研究，根據疲勞裂縫產生的不同機理，將其分為支點裂縫和肋間裂縫，並討論了兩類裂縫產生的原因、分佈規律、機理以及防治的措施；對工程中經常遇到的結構構件，尤其混凝土構件的幾種主要病害（損傷、裂縫、腐蝕與老化）進行了機理分析並提出了防治措施。Study on additional longitudinal forces of jointless track on curved rigid frame bridge
曲線剛構橋上無縫線路附加縱向力理論分析Causation and prevention measure of slot lengthways in prefabricating concrete board
預制砼板天棚抹灰縱向裂縫產生的原因防治措施及處理方法的探討As an application of this fem preprocessing system, the simulation on the welding process of missile ’ s oil box was performed, in which the effects of the welding sequences of four web plates and welds on each web plate are primarily analyzed. the simulation results show that the deformations under varied welding sequences are almost the same. downward deflection deformation is obtained along the weld longitudinal direction in the structure as well as upward deflection deformation along the weld traverse direction
對于某型號導彈油箱結構焊接過程的數值模擬計算，主要考察了每塊立板上各段焊縫焊接順序的調整、四塊立板之間不同的焊接順序以及焊接起始端的選擇對結構焊后變形的影響規律，模擬結果表明:壁板在各種焊接順序下的整體變形規律基本相似，即焊後壁板沿焊縫縱向發生了向下的撓曲變形，中部向下變形量最大;沿焊縫橫向發生了向上的撓曲變形，壁板兩端部變形量較大，且壁板前端變形大於壁板後端。This model helps to make a non - linear finite element program which is tested and verified by the example in umt
在此基礎上，建立了城市軌道交通橋梁無縫線路縱向力的空間一體化力學模型，編制了非線性有限元模型，通過實例進行了模型驗證。In the dam foundation restraint area, mgo can be mixed into concrete to prevent dam longitudinal crack. research on autogenous volume change of rcc mixed with mgo, and research on thermal stress compensation of darn foundation prove that rcc mixed with mgo plays a role in dam crack control
在材料措施方面，深入研究高碾壓混凝土壩基礎約束區採用外摻mgo措施，利用其微膨脹性能補償壩體降溫過程中產生的溫度應力，以防止大壩縱向裂縫的發生。Vertical welds not completely removed by backgouging shall be performed vertically up, unless specifically approved in writing by secco
對于不能通過逆向刨削完全清除的縱向焊縫應垂直施焊，除非賽科公司有特殊的書面指示不用垂直施焊。Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide
把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式，包括曲面橫截線為對稱、非對稱圓弧，拋物線弧，雙曲線弧，橢圓弧等.然後根據等效原理，推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式，給出計算曲線.這種解雖然是近似的，但卻能解決這類共形波導縫隙天線的工程設計Synthesized the domestic and international current result, the paper presents the geogrids and flexible beams treating technology to ravel out the distress of the longitudinal cracks
綜合國內外現有成果，本文提出了土工格柵及柔性枕梁等處治措施，從深層次解決青藏公路縱向裂縫的危害問題。According to the principle of the interaction between the beam and the cwr ( continuously welded rails ) that the longitudinal forces of cwr on railway bridges are passed on to the piers by the span structures of the bridge, the intensity of piers is checked up by calculating and the safety reservation is analyzed so that the design of the cwr on railway bridges is optimized and is safer and more economic
摘要根據梁、軌相互作用原理（橋上無縫線路的縱向力通過橋跨結構傳遞到橋梁的墩臺上， ）檢算橋墩的強度，進行安全儲備量分析，進而優化新建橋上無縫線路設計，使設計既安全又經濟。Longitudinal and circumferential weld seams are pl inspected for class 150 #, for other classes will be inspected with x - rays and / or us
過濾器之縱向和周圍焊接縫是染色探傷檢查，其它將以x -射線和/或超音波檢查。Study on influences of welded turnout group on displacements and longitudinal forces of rails
無縫道岔群對鋼軌位移和縱向力的影響研究However, the longitudinal strength and work of fracture were found to decrease with an increasing level of surface treatment
不過，裂縫的縱向力于工作時將隨表面處理的增加水準而減少。This article establishes a suitable mechanical model for urban mass transit continuous welded rails longitudinal force research, which is widely based on the real situation and draws up the nonlinear finite element method program, and is verified by practical examples
摘要?了對城市軌道交通無縫線路縱向力進行研究，根據實際結構建立了力學模型，編制了非線性有限元程序，並通過實例進行驗證。In view of the rapid development of electric undertaking and a sharp increase of steel products consumption, the state development planning commission, the former state water resources and hydropower ministry and state energy ministry have been urging that the building of steel towers should be strictly controlled in the construction of transformer substations ; and warning that the need of the present 500kv power transmission and transformer trusses can hardly be satisfied by ordinary steel and concrete electric poles or prestressed concrete poles, which have endangered the operation and longevity of the high voltage transmitting line due to the common problem of cracks by gravity
隨著電力工業建設的迅速發展，鋼材的用量急劇增長，為此，國家計委，原水電部和能源部一再強調在輸變電工程建設中，應從嚴掌握自立式鐵塔的建設。然而，一般的鋼筋混凝土電桿或與預應力混凝土電桿，較普遍地存在著縱向裂縫問題，嚴重影響了高壓輸電線路的安全運行及其使用壽命，已不能適應高壓輸電桿塔和變電構架的要求。Results showed that the temperature distribution of the traditional embankment was asymmetrical ; the asymmetrical status was changed after ripped - rock revetment was installed and the soil under the ripped - rock was cooled obviously ; the ripped - rock revetment could cool embankment and adjust the temperature difference between the north - facing slope and the south - facing slope ; the ripped - rock revetment was an available technique to protect embankment from thawing settlement and longitudinal cracks in permafrost regions
結果表明：普通路基的陰陽坡兩側溫度分佈極不對稱；鋪設拋石護坡后，這種狀況得到了很大改善，並且拋石護坡下土體溫度明顯降低；拋石護坡能夠降低路基溫度和調節路基陰陽坡的溫度差異；拋石護坡是多年凍土區防治路基融沉和縱向裂縫病害的一種可行措施。Different groups of fractures are vertically connected in ladder shape and form the fracture net, which improve the permeability of the formations and makes the formations good fracture - pore style reservoirs
不同組系的構造縫縱向上呈階梯連通，形成空間裂縫網路，極大地改善了侏羅系砂巖儲層的滲流能力，使其成為較好的裂縫?孔隙型儲層。分享友人