scholarly journals EXPERIMENTAL STUDIES ON CONCRETE FILLED SQUARE STEEL TUBULAR BEAM-COLUMNS SUBJECTED TO MONOTONIC SHEARING FORCE AND CONSTANT AXIAL FORCE

1979 ◽  
Vol 281 (0) ◽  
pp. 81-92 ◽  
Author(s):  
MASAHIDE TOMII ◽  
KENJI SAKINO
Keyword(s):  
Axial Force ◽  
Experimental Studies ◽  
Shearing Force ◽  
Beam Columns

Analysis of Straight and Curved Beam-Columns

1951 ◽  
Vol 18 (3) ◽  
pp. 283-284
Author(s):  
C. M. Tyler ◽  
J. G. Christiano
Keyword(s):  
Axial Force ◽  
Relaxation Method ◽  
Curved Beam ◽  
Bending Moments ◽  
Structural Members ◽  
Beam Columns ◽  
Numerical Example ◽  
Number Of Segments

Abstract A method of analysis is developed for calculating the effects of deflection and axial force on the bending moments of structural members having both beam and column loadings. The member is divided into a number of segments and analyzed by a relaxation method directly in terms of the bending moments at each segment. This analysis is applicable to beam-columns of any shape and stiffness, and for any type of loading. A numerical example of an irregularly curved beam-column is included.

scholarly journals Experimental studies of hole drilling operations in stress-strain workpiecematerial

2018 ◽  
Vol 226 ◽  
pp. 01011
Author(s):  
Vadim V. Kuts ◽  
Mikhail S. Razumov ◽  
Aleksandr S. Byshkin
Keyword(s):  
Axial Force ◽  
Experimental Studies ◽  
Hole Drilling ◽  
Drilling Process ◽  
Stress Strain ◽  
Workpiece Material ◽  
South West ◽  
Urgent Task ◽  
Drilling Operations ◽  
Proportionality Limit

Drilling holes is one of the most common operations in the part production. Consequently, increasing the efficiency of this process is an urgent task. To improve the efficiency of the drilling process, the South- West University developed a method of drilling for pre-stressed and prestrained workpiece material, which requires a sample to be subjected to elastic strain under load not exceeding the proportionality limit of the workpiece material. That is, when the load is removed, the dimensions of the workpiece remain unchanged. The paper presents the experimental device designed to determine the axial force and torque when drilling holes in the stress-strain workpiece material. Multi-factor experiments were carried out to obtain empirical dependences of the axial force and torque arising in drilling holes in the stress-strain workpiecematerial on the process parameters.

scholarly journals ULTIMATE BEHAVIOR OF BOX-SECTION BEAM-COLUMNS UNDER VARYING AXIAL FORCE

1994 ◽  
Vol 59 (461) ◽  
pp. 115-122 ◽  
Author(s):  
Satoshi YAMADA ◽  
Hiroshi AKIYAMA ◽  
Hitoshi KUWAMURA
Keyword(s):  
Axial Force ◽  
Beam Columns ◽  
Box Section

scholarly journals Rational design justification of the tunnel boring shield executive body for the conditions of the mines of Saint Petersburg Metrostroy

2021 ◽  
Vol 249 ◽  
pp. 441-448
Author(s):  
Dmitrii Yungmeister ◽  
Aleksei Yacheykin
Keyword(s):  
Axial Force ◽  
Rational Design ◽  
Graphical Representation ◽  
Cutting Tools ◽  
Experimental Studies ◽  
Power Calculation ◽  
Saint Petersburg ◽  
Tunnel Boring ◽  
Geological Conditions ◽  
Executive Body

The article discusses the features of running tunnels in difficult mining and geological conditions of the Saint Petersburg Metrostroy using modern tunnel boring shields of Herrenknecht company with hybrid executive bodies equipped with a incisors and rock cutters. The work of a hybrid executive body is analyzed when driving along a heterogeneous bottomhole massif consisting of Cambrian clay with limestone interlayers. Theoretical and experimental studies of vibroactive cones, a graphical representation of the dependence of the depth of their penetration on the axial force and axial force together with the applied shock load (the dependences of the penetration depth are interpreted as a linear dependence) have been carried out. An increase in the intensity of destruction of a heterogeneous bottomhole massif consisting of Cambrian clay and limestone interlayers using vibroactive rock-cutting tools (spiked roller) was theoretically and experimentally confirmed, while the growth of the penetration rate is determined depending on the number of their parameters. The design is considered, the principle of operation and the method of power calculation of a rotary executive body equipped with vibroactive cutters are described, on the basis of which a nomogram of the dependence of the torque and performance of the tunnel boring shield on the feed rate of the executive body to the bottom is built.

Experimental studies on behaviour of bolted ball-cylinder joints under axial force

2016 ◽  
Vol 21 (1) ◽  
pp. 137-156 ◽  
Author(s):  
Xiaonong Guo ◽  
Zewei Huang ◽  
Zhe Xiong ◽  
Shangfei Yang ◽  
Li Peng
Keyword(s):  
Axial Force ◽  
Experimental Studies
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