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grillage n.(軟地上作建筑物基礎的)格排垛,格床。

grille

From above analysis , it is proved that , because the internal force distribution of cast - in - situ concrete hollow floor is notably different to that of waffle slabs , designed as grillage beams and reinforced by these results , the technical advantage of this structure may not be exerted sufficiently so that leading to the increase of reinforcement 通過以上分析證實,由于現澆空心樓蓋的與肋梁樓蓋具有顯著不同的內力分布規律,現澆空心板按梁格進行計算并配筋,將不能充分發揮該結構的技術優勢,導致配筋量的增加。

2 . based on the muller - breslau principle , formulars of equivalent nodal loads for the curved - and straight - beam element while occuring unit relative constrained displacement have been deduced . the influence surface of the internal force for grillage has been analyzed by combining kinematic method with finite element static method , using the superposition principle applied to little deformation 根據米勒-布雷斯勞原理,推導了曲梁、直梁截面發生單位強迫相對位移時的等效結點荷載計算公式,運用小變形的疊加原理,將梁格機動分析與梁格有限元靜力分析相結合建立了內力影響面。

4 . under the integrated development environment of fortran powerstation 4 . 0 , the paper has written the above contents into common computing programs with language fortran77 and finished an integrated module for the calculation of internal forces for the superstructure of curved - beam bridge when analyzed by curved - bar grillage finite element method 本文在fortranpowerstation4 . 0集成開發環境下采用fortran77語言將上述內容編制成程序,實現了彎梁橋上部結構曲桿梁格有限元分析內力計算完整模塊。

Displacement method in structural mechanics and generalized grillage analogy method are combined to analyze skew support continuous curved t girder bridge , when calculating inner forces of a single curved beam , calculate its deformation , then at the base of basic principle of generalized grillage analogy , derivates calculating equations of load lateral distribution and inner forces of skew support continuous curved t girder bridge 對斜支承連續曲線t梁橋進行分析時,采用結構力學的位移法與廣義梁格法相結合,在求解單根曲線梁內力的同時,求得其變形,在此基礎上利用廣義梁格法基本原理,進行荷載橫向分布及內力計算,推導出斜支承連續曲線t梁橋的內力與荷載橫向分布計算公式。

In chapter 2 , proposes an analytical model to the grillage girder , and then establishes its equations by force method . for the primary structure , the upper longitudinal beam is regarded as the finite length continuous girder by elastic point supporting , and the lower cross girder is regarded as the finite length beam on elastic foundation . a computing program is made by qbasic language 第二章主要提出了彈性支承交叉梁系模型,用力法建立了結構靜力求解方程,基本結構的處理上,上層縱梁視為有限長點支承連續梁,下層橫梁視為有限長彈性地基梁,用qbasic語言編制了求解程序。

Considering the stiffened plate as a composite system of grillage beams and slab , the superstructure as an equivalent rigidity plate , a semi - analytical and semi - numerical method , which makes use of compatible analysis of force and displacement among beams and slabs and columns and ground , is developed to analyze interaction between stiffened raft foundation and subsoil considering the rigidity of superstructure 摘要將彈性地基上的梁板式矩形筏基視為十字交叉梁與平板組合體系,上部結構剛度簡化為等效剛度板,采用半數值、半解析方法,通過梁、板、柱以及地基之間力與位移平衡協調分析,可得到考慮上部結構剛度時梁板式筏基寫地基共同作用的半數值、平解析解。

To improve computing precision , the latter applies interpolating function of curved - quadrilateral element containing six npdes to thicking the influence surface of grillage . compared with lagrangian interpolation for rectangular element and triangle plane interpolation , this way not only improves computing precision but be more suitable for the curved - bar grillage analyzing method introduced this paper 為了提高計算精度,本文應用六結點曲邊四邊形單元插值函數加密梁格影響面,與矩形單元拉格朗日插值及三角平面插值方法相比,不但提高了計算精度,且更適于曲桿梁格分析。

By taking a typical inverted y - shape thin - wall box girder bridge as the research object , the general spatial beam grillage model , spatial plate and shell finite element analysis model and organic glass test model are respectively set up , and various analysis and measurements of the models are compared according to the different theories 以典型的人字形薄壁箱梁橋作為研究對象,分別建立普通空間梁格、空間板殼有限元分析模型及有機玻璃試驗模型,對模型的不同理論分析與實測結果進行比較。

Lognitudinal and transversal members of grillage , regarded as cuved - beam element and straight - beam element , are analyzed by finite element method , and the module for grillage static analysis is formed , by using table of information of nodal point restraint to assemble stiffness matrix for structure in restraint 將梁格縱橫構件分別按曲梁和直梁兩種單元進行有限元分析,引入結點約束信息表進行約束結構剛度矩陣的組集,形成了曲桿梁格靜力分析模塊。

The structure of grillage is the backbone of a ship ' s structures and its compressive ultimate strength is one of the main parts in the strength analysis of a ship ' s structures . so it ' s important to make a deep research into the compressive ultimate strength of the grillage structure 由于板架結構是船體結構的主要組成部分,尤其是船舶的上甲板和船底結構,它們直接關系到船體的總縱強度,所以板架結構的壓縮極限強度是設計人員十分關心的。

Finally , a program system is developed in fortran language by using this simplified method to analyse the stability of grillage structure of deck . in comparison with fem method , this simplified method has engineering accuracy and can be used in the phase of design 本文編制開發了一套具有工程實用價值的船舶板架穩定性綜合分析的計算程序,經計算及與有限元程序所得結果的比較,說明該程序簡便、可靠,可方便地應用于船舶結構設計和強度校核。

Grillage girder is always used for analysis the structures , such as dense ribbed slab , superstructure of bridge and grid - mat foundation . in this paper , a mechanical model for grillage girder by elastic supporting is proposed , and used for analysis the track structure for the first 交叉梁系一般用于求解密肋式屋面板、橋梁上部結構和格式基礎等結構,本文提出一種彈性支承交叉梁系模型,并首次用其求解軌道結構。

Although grillage method is an effective method of analyzing bridge deck , it has not been widely used on computer calculation of bridges for the restriction of traditional grillage model and the complexity of meshing and element stiffness computation 摘要梁格法是橋梁結構空間分析的一種有效方法,但由于傳統梁格法受模型及其網格劃分和單元剛度計算高復雜性的條件限制,在橋梁結構電算方面未得到廣泛應用。

Based on basic principles of grillage method , an improved grillage model of wide cantilevers bridge deck is brought forth and its effectiveness is verified after generalizing rules of grillage meshing and sectional characteristic 基于梁格法的基本原理,提出了寬翼緣上部結構分析的改進梁格模型,并總結了梁格單元劃分和截面特性計算的一般方法,最后通過算例驗證了該模型和方法的有效性。

To the crib groundsill , used the method of neglect the torsion effect and take it as a vane grillage foundation . then , divide the crib groundsill to vertical and horizontal beams , which are based on elastic ground 對框架型地梁按不考慮扭矩條件下的變形協調十字交叉梁法進行受力分配,拆解為單根地梁,按單梁方法進行計算。

Compared with the static method and kinematic method computing deformation directly , the method presented here bring high efficiency when calculating the influence surface of the internal force for curved - bar grillage 與靜力法及直接求解位移的機動法相比,使曲桿梁格內力影響面計算效率得到了很大提高。

The first part , which includes chapter 2 and chapter 3 , proposes and studies the static force solution of the model for grillage girder by elastic supporting , some applications are discussed 第一部分包括第二章和第三章,提出并研究了彈性支承交叉梁系模型的靜力解,并探討其應用。

In the paper , the study of analysis method of internal force for curved - beam bridge structure analyzed by spacial method of curved - bar grillage finite element method is introduced 本文對彎梁橋采用曲桿梁格有限元法進行空間結構分析時的內力計算方法進行了研究。

Authors suggest a practical method based on dynamic analysis of finite element for modifying natural frequencies of hull grillage beam , and its software is completed 摘要提出一種基于有限元結構動力分析的船體板架固有頻率實用修改方法,并進行了軟件設計。