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In order to investigate mechanic behaviors of the orthotropic deck welding conformation details of highway steel bridge, take Zhongdu Yangtze River Bridge located in Jiangjin of Chongqing district as an engineering background, the 3-dimension spatial section model of steel box girder was firstly established...

The cable wind-induced vibration of long span cable-stayed bridge is one of the key factors causing serious damage to the bridge. The ribs setting on the surface of the stay cable are one of the aerodynamic damping measures to restrain its wind-induced vibration. As the surface morphology of the stay...

Flange joints are common in electric transmission steel tube tower. Flange with stiffening rib usually used, whose structure is complicated and do not meet the economic requirements, but flexible flanges make up the shortcoming in a certain state. So strength of flexible flanges subjected to axial force...

The lathe bed is an important part of the machine tool. It plays the role of supporting the column, the table and other components. The performance of machine bed tool directly affects the machining precision of the machine tool. In the process of dynamic optimization design of HX7910 pentahedral machining...

In the construction industry, according to the study on the skin effect of some scholars, showing the skin effect of the wooden structure not only has important significance in strengthening the structural strength and reduces the use of building materials, but also the use of skin effect in a small...

The segmentation of ribs is one of the key problems for computer-aided diagnosis. This paper presented a novel scheme for rib segmentation in chest radiographs. The Gaussian filter was used repeatedly to remove uneven background of chest. Detail images could be obtained by use of the multi-scale wavelet...

Based on the traditional ecological composite wall, expanding composite wall is put forward in this paper. Based on the tests of five pieces of 1/2 scaled expanding composite wall under low-cycle lateral loading, the bearing capacity, ductility, hysteretic characteristics, and stiffness degradation performance...

Focus on the problem that fracture characteristic of integral structure is worse than composite structure, this paper studied the influence of anti-crack rib design parameters on the fracture characteristic of integral wing-spar through calculating the stress intensity factor and constructing support...

This paper by analyzing the existing double boom system, and combined with engineering examples the through arch bridge in the mobile load that is the role of vehicle load force each boom situation. Studied double boom system in response to vehicle load internal forces, also studied a boom when suddenly...

Floor failure and slipping, rib spalling, toppling and slanting of supports and gliding of equipment in the panel generally exist during the top coal caving of steeply inclined thick seam. Technologies of fast moving, zone controlling of surrounding rock and equipment’s stability controlling were put...

The electromotor shell is analyzed by the finite element method. The result shows that vibrations of exterior and the top of the shell produce the shell vibration. The rib reinforcement type and the surrounded structure are designed to optimize and ameliorate the prototype structure. Then vibration and...

Guanping aqueduct is located at main canal of reservoir's irrigation district in the Dayong county, Hunan province, this aqueduct is reinforced concrete rib arch aqueduct, main arch ring is variable cross-section reinforced concrete double rib structure, arch axis is suspension of attachment, reinforced...

One station on Jinggu river aqueduct whose level is three is located in the channels on Jinggu power station in Yunnan Province, the Aqueduct is the reinforced concrete hyperbolic arch aqueduct, for three main arch rib with double wave and uniform section, the arch axis is parabola. The aqueduct structure...

Feisha aqueduct is located at west main canal of irrigation district in the Xinjin county, Liaoning province, the aqueduct is reinforced concrete rib arch aqueduct, arch centering is variable cross-section reinforced concrete double rib structure, arch axis is parabola, clear span is 33 m, rise-span...

Tied arch bridge with trough girder mainly consists of girder, arch rib, suspender and prestressed steel bares for its superstructure. In terms of its overall mechanical performance, there are many factors affecting its mechanical performance.The factors are main girder section form, arrangement of prestressed...

In order to explicitly specify the force characteristics of tied arch bridge with trough girder, this paper focus on the tied arch bridge vertical stiffness analysis under different rigidity distribution between arch and girder. The paper based on a tied arch bridge with trough girder which the span...

Longchang Aqueduct is a reinforced concrete box deck type arch with clear span 200m,located in Guizhou Province of China, inclined cable-stayed buckle and cantilever erection is adopted for rib assemble. This paper introduces the arch ring of arch foot section of the construction of a unique process,...

Numerical modeling allows for investigating the stability of mine pillars under different loading conditions. Unfavorable shear stresses may develop within mine pillars when the orebody is inclined or when the pillar axes are not aligned with in-situ principal stress directions. Quirke Mine, ON, Canada,...

Cross-rail is a key component of support structure of the machine, whose mechanical properties have direct impact on the accuracy and dynamic performance of the machine. This paper studied a bridge type milling composite extrusion CNC machine whose cross-rail welded together by a rib structure, therefore,...

In light of the coal roadway deformation and breakage problems in soft rock conditions under dynamic pressure influence, based on coupled-supporting principle, combined theories and computer numerical simulation, the floor heave and spalling mechanism under the influence of multiple mining activities...

For oblique arch, curved beam, space oblique composite system of suspension bridge, whose force transmission path and spatial stress is complex, robustness characteristics is strong, and no engineering experience can be used for reference. In order to analyse wind resistant performance of the Tongtai...

The multimode interference (MMI) couplers, which operate at 1.55 microns in deep rib InGaAsP/ InP waveguide with large lateral confinement and tunable power splitting ratios, are of high interest in integrated optics. The gold contacts are applied on the top of waveguides where tuning is desired and...

In some cases of morbid deaths, especially bodies found in water, researchers need the help of a forensic pathologist to determine whether the deaths were due to suicide. A 58-year-old man, fully clothed, was found at the port of Tanjung Perak in a state of float on his stomach. Initially, investigators...

The height of a real wind turbine tower structure is far larger than the length in the plane, so segmented assembly is generally adopted on the spot. However, after assembling a tower, annular ribs for blocking concrete and connecting tubes of a double-layered steel tower in the construction of the tower...

The methods of quantitative and qualitative analysis, to Beijing Radio and Television University suburban districts and counties, 159 learners as subjects, using VoIP Skype distance under the condition of oral English test of empirical research to explore the new form of oral English test. Study found...

The development of a new generation of high performance gas turbine engines requires gas turbines to be operated at very high inlet temperatures, which are much higher than the allowable metal temperatures. Consequently, this necessitates the need for advanced cooling techniques. Among the numerous cooling...

This paper focuses on creating conditions for developing foreign language communicative skills in gifted children. The issue discussed here is especially relevant as children from places far away from university cities have limited access to the educational facilities offered by higher education institutions....

In hydropower project, steel bifurcated pipe is a key diversion structure, and its stability and safety are very important. However, there are still some deficiencies in the current research on the mechanical behavior of steel bifurcated pipe, especially in the open and buried state. In this paper, the...

The window lattice ornamentation in traditional Chinese architecture is the cultural accumulation of China’s five thousand years of development, and the crystallization of the wisdom of the Chinese people. Traditional window lattice ornamentation contains its unique cultural meaning. In the continuous...

This paper expounds the importance of the stability analysis of the super high tower frame in the lifting stage of the arch rib.Then the arch rib turning stage is divided into 0 degrees,30 degrees, 60 degrees, 90 degrees, 102.8 degrees five conditions,respectively carried out the force analysis of sling...

Aircraft optical pods, the core of aviation optoelectronic systems, must maintain ≤ 0.1mrad optical axis stability under -40 ℃ ~80 ℃ temperature alternation, 10-2000Hz vibration, and 3-5g overload. Traditional aluminum structures suffer 0.2-0.5mm thermal deformation, while existing studies neglect the...

In the present study, numerical studies are carried out to investigate the heat transfer in rectangular duct roughened by square and trapezoidal shaped ribs on one wall using different fluids. The coolant fluids such as air, steam, air/mist and steam/mist were investigated. The computational results...

As the cyber world enters a brand-new phase of its evolution, an easier and better communication among video game users is demanded more from the market. As, an online communication company founded in 2015, has been gradually and efficiently fulfilling the needs of the market. Compared to old-fashioned...

In order to study the seismic behavior of the composite wall of sludge ceramsite foamed concrete block, two specimens with reinforcing rib in U-shape block under cyclic loads are studied in the paper. Based on the experiment, the damage process, failure mechanism, hysteresis curves, initial stiffness,...

Orthotropic steel bridge deck system has a large number of applications in recent years in many countries. Based on the research on the Thicken Edge U rib (TEU), a new fatigue control technology route is put forward in this paper. The conception is that, on the premise of increasing a small amount of...

In order to ensure the safe service of reinforced concrete structures in the storage of spent fuel and the disposal of nuclear waste under the coast, this paper proposes the idea of replacing reinforced concrete structures with FRP-barite radiation shielding concrete structures. The cohesive properties...

Due to the COVID-19, online education has become a popular trend worldwide. Many universities use digital materials, such as Zoom, Skype and Team, instead of face-to-face teaching to avoid infection. This article uses SWOT methods to describe the advantages, disadvantages, opportunities and threats of...

The rib-and-ring single-layer spherical mesh shell structure is widely used in the mesh shell structure of LNG tank domes because of its simple installation, convenient construction and excellent mechanical properties. In order to study the mechanical properties of the mesh-shell structure of the tank,...

Nine beams strengthened with helical rib steel wire near-surface mounted(NSM) in the concrete cover under monotonous loads are tested, and cyclic loading, security, delay and bending deformation of reinforced concrete beams are systematically studied. Test results indicate that NSM helical rib steel...

In order to further study Huoerxinhe coalmine 3207 large mining height faces rib spalling and complete the control management work, the laser rangefinder and visual observation method were used to observer the mining faces rib spalling and failing. The date(rib spalling depth, height, daily spalling...

This paper presents the fatigue analysis of surface cracks at the rib-to-deck welded joint of orthotropic steel deck, in which the influence of the compressive stress in the cyclic loading on the crack growth is taken into account. The stress intensity factors along the surface crack front at the rib-to-deck...

Through and half-through arch bridges are modern bridge types due to the development of steel as a building material, in which up to now the dead-load of the deck system and the live load are transferred to the arch rib by steel suspenders. However such suspenders are due to complex mechanical loading...

The studying about the seismic performance of shallow and spherical shells with ribs and rings is very lack. So it is necessary to study its dynamic response under earthquake. In this paper, the finite element model is established by ANSYS software. The first 10 orders of natural frequency and mode shape...

To address the prevalent inaccuracies in arch rib alignment and the illogical outcomes of cable forces encountered during the cable-stayed buckle suspension construction of long-span steel box arch bridges, we introduce a novel multi-scale optimization method for determining the cable forces in a 570-m-span...

The influence of the 4.0 Industrial Revolution has a devastating impact on the life changing of social and cultural societies. The change in the presence of the 4.0 Industrial Revolution does present new employment but at the same time there is a work that is threatened by machines, artificial intelligence...

The Globalization era has transformed the world and international integration has risen from the interchange of world’s outlook, products, ideas, and culture. Due to Globalization many MNCs have increased their investments worldwide. After the advent of “Information Technology”, learning the Cross-cultural...

We have been developing a method for analyzing the facial expressions of a person using a video phone system (Skype) to talk to another person. The video is recorded and analyzed by image processing software (OpenCV) and the newly proposed feature vector of facial expression. The newly proposed facial...

Because of its popularity, encrypted traffic and proprietary design, there has been difficult to detect Skype from other P2P traffics. The research of Skype traffic identification focuses on collecting traffic flow feature and using machine learning method to identification. The key of machine learning...

This research happens to find the impact of Skype in increasing the students’ ability in speaking English at Vocational high school in Rengat. This research happens because there is no chance for students to use English for oral communication during a real environment, where within the environment people...

This study aims to innovate in mathematics based online learning at Taiwan Open University. This campus created by the Indonesian government aims to solve the problem of education in Indonesia. The number of Indonesian people who do not get the opportunity to study at a university. One factor is economic...