scholarly journals Stability analysis of steel frames with semi-rigid connections and rigid zones by using P-Delta effect

2002 ◽  
Vol 24 (1) ◽  
pp. 14-24 ◽  
Author(s):  
Vu Quoc Anh
Keyword(s):  
Reinforced Concrete ◽  
Concrete Structure ◽  
Steel Frames ◽  
Local Buckling ◽  
Steel Structure ◽  
Building Structures ◽  
Reinforced Concrete Structure ◽  
Steel Buildings ◽  
Axial Forces ◽  
Rigid Zones

Comparing with reinforced concrete structure, member rigidity of steel structure is less, and displacement of steel structure is larger than that of reinforced concrete structure, so the secondary moment due to axial force has to be considered, i e., the problem of P-Delta effect. For most building structures, especially tall steel buildings, the P-Delta effect of most concern occurs in the columns due to gravity load, including dead and live load. The column axial forces are compressive, making the structure more flexible against lateral loads. If compressive P-forces are present and are large enough, the structure may buckle. Local buckling of individual members or global buckling of the whole structure is possible. This paper presents the method to analysis stability of steel frames with semi-rigid connections and rigid zones by using P-Delta effect.

Structural Comparison and Project Cost Analysis on Two Kinds of Frame Structures

2012 ◽  
Vol 193-194 ◽  
pp. 1197-1200
Author(s):  
Zhong Min Liu ◽  
Xue Hua Liu ◽  
Jing Ji
Keyword(s):  
Reinforced Concrete ◽  
Concrete Structure ◽  
Steel Structure ◽  
Development Trend ◽  
Economic Benefits ◽  
System Structure ◽  
Frame Structure ◽  
Reinforced Concrete Structure ◽  
Project Cost ◽  
Advantages And Disadvantages

This article introduces two kinds of frame structure system structure for steel structure and reinforced concrete structure, analyzes the similarities and differences in the structural properties, structural occupied area, time limit for a project, project cost and comprehensive economic benefits and other aspects. The advantages and disadvantages of them are analyzed, and the engineering cost is compared and analyzed. Results show that the steel structure has more the advantage than reinforced concrete structure, and it is development trend of factories and high-rise building in the future.

Analysis and Research of the Ductility Performance of the Steel Reinforced Concrete Structure Based on the Filling Technology

2013 ◽  
Vol 273 ◽  
pp. 492-495
Author(s):  
Min Huang
Keyword(s):  
Reinforced Concrete ◽  
Concrete Structure ◽  
Steel Structure ◽  
Structural Safety ◽  
Living Standard ◽  
Reinforced Concrete Structure ◽  
Steel Reinforced Concrete ◽  
Safety Requirements ◽  
Early Damage

At present the reinforced concrete structure is one of the structures widely used. With China's rapid economic development and the improvement of people's living standard, the structural safety requirements are also getting higher and higher. Especially in the design in the structure of the modern housing, the ductility performance of the steel reinforced concrete structure becomes more and more important. This paper put forward the design basis aiming to study the steel structure ductility design, preventing early damage of the member in the role of the earthquake, and avoiding structure system appear undue damage.

METHOD OF EVALUATION OF THE FIRE RESISTANCE OF COMPOSITE BUILDING STRUCTURES

2018 ◽  
Vol 8 (3) ◽  
pp. 12-17
Author(s):  
Denis A. PANFILOV ◽  
Nikolay A. ILYIN ◽  
Yury V. ZHILTSOV ◽  
Ekaterina V. BLINKOVA
Keyword(s):  
Reinforced Concrete ◽  
Fire Resistance ◽  
Concrete Structure ◽  
Building Structures ◽  
Reinforced Concrete Structure ◽  
Resource Saving ◽  
Concrete Building ◽  
Innovative Solution ◽  
Method Of Evaluation ◽  
Building Practice

The article describes a new method for determining the design fi re resistance of composite (steel-concrete) building constructions of buildings. The advanced algorithm of the decision of the fi re-technical task in the part of express calculation of design fi re resistance of composite building constructions is given. A new constructive form of composite reinforced concrete structure of the building has been developed and the system of actions for assessing the fi re resistance of its elements at the level of inventions, which are implemented in building practice, has been improved. The components of the creative result of scientifi c work and the content of the technical eff ect, including resource saving, are introduced, with the introduction of an innovative solution in the practice of fi re protection and providing fi re resistance of perspective building constructions of buildings.

scholarly journals Kajian Desain Struktur Beton Bertulang Dengan Struktur Baja (Studi Kasus Pada Pembangunan Gedung H Unitomo)

2019 ◽  
Vol 2 (2) ◽  
pp. 79
Author(s):  
Inggrid Loiza Batak ◽  
Safrin Zuraidah ◽  
Budi Hastono
Keyword(s):  
Reinforced Concrete ◽  
Concrete Structure ◽  
Concrete Structures ◽  
Steel Structure ◽  
Steel Structures ◽  
Seismic Load ◽  
Reinforced Concrete Structures ◽  
Live Load ◽  
Software Modeling ◽  
Reinforced Concrete Structure

Recently, a structure that is generally applied to the construction of multi-storey buildings is reinforced concrete structure. Structural steel is rarely used nowadays, yet in fact, the steel structures are still able to compete with reinforced concrete structures. Therefore, this study aims to determine the exact profile dimensions and the comparison of material prices between steel structures and reinforced concrete structures for columns and beams in redesigning H Building of Dr. Soetomo University, Surabaya. The WF profile steel will be used in this redesigning project. The structure is modeled using AutoCAD, and then imported into SAP2000 software. Modeling structure consists of columns, primary beams and secondary beams. The loads reviewed from the design are dead load, live load, wind load and seismic load. From the results of design review obtained, the overall strength of structure rearrangement is safe and it is obtained the beam profile dimensions of B1 WF 600x200x12x20, B2 WF 400x300x9x14 profile, B3 WF 400x300x9x14 profile, B4 WF 350x200x8x12 profile, and B5 WF 175x125x 5.5x8 profile, K1 WF 400x400x18x28 column profile, and K2 WF 400x400x21x21 column profile. The use of steel structures as a substitute for reinforced concrete structures for columns and beams in the building is a way more expensive with the percentage of steel structure 149.13% more expensive than reinforced concrete structure.

scholarly journals Application of NDT apparatus for possible use as structural health monitoring of concrete building in the field

2018 ◽  
Vol 195 ◽  
pp. 02035
Author(s):  
Akmaluddin Akmaluddin ◽  
Ni Nyoman Kencanawati ◽  
Ahmad Gazi Paedullah
Keyword(s):  
Reinforced Concrete ◽  
Residual Strength ◽  
Concrete Structure ◽  
Good Condition ◽  
Pulse Velocity ◽  
Test Method ◽  
Building Structures ◽  
Reinforced Concrete Structure ◽  
Existing Building ◽  
Concrete Building

A condition assessment of reinforced concrete building structures can be conducted accurately when the components of the building structure data are available. Otherwise, data must be developed through testing directly in the field. Non-Destructive Test method (NDT) was considered to avoid disruptions to the existing building structures. This study aims to develop a model for interpreting the residual strength of concrete structures in the field. Nine cylinder specimens with a diameter of 150 mm and a height of 300 mm and 27 cube specimens of 200x200x200 mm were prepared. Nine reinforced concrete beam specimens of 100x150x1100 mm were also prepared to represent a component of the reinforced concrete structure. Hammer and UPV apparatuses were applied to the cylinder and cube specimens considered. Results concluded that the value of the pulse velocity is directly proportional to the load and inversely proportional to the residual strength. The concrete structure with a residual strength of more than 60% is considered healthy or a structural in “good” condition. The concrete structure is also healthy when the v measured gives a value of 3.5 and above. This value is acceptable as it lies within the range v given in the reference of 3.5 to 4.5.

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