Aisc steel connection design extended end plate moment connection aisc steel connection design flange plate moment connection aisc steel connection design shear connection shear tab. Experimental assessment of the ductility of extended end plate. Ram connection capabilities and modeling faq ram staad. Evaluation of extended endplate moment connections under. Extended end plate moment connections seismic and wind applications second edition. A critical aspect of end plate connection design is the welding procedure used to install the welds that connect the end plate to the connected beam as 14 design guide 4 extended end plate moment connections seismic and wind applications, 2nd edition observed in the 19 94 northridge earthquake, inadequate welding procedures and details used. Scribd is the worlds largest social reading and publishing site. Aisc design guide 16 flush and extend multiple row moment end. Aisc design guide 16 flush and extended multiplerow moment. Evaluation of stiffened endplate moment connection through. Prequalified connections for special and intermediate steel.
The equations for the check for the shear yielding 3. The beamcolumn connections were made with eightbolt, extended, stiffened endplate connections. Pretensioned extended, bolted endplate moment connections are very popular due to ease of fabrication and erection. Extended endplate moment connections seismic and wind applications download. Aisc design guide 4 extended end plate moment connections. Design procedures for determining the required bolt diameter and grade, endplate thickness, and column flange. Extended end plate moment connections under cyclic loading. Behavior of fourbolt extended endplate connection subjected. Buy extended endplate moment connections on free shipping on qualified orders extended endplate moment connections. Design procedures for determining the required bolt diameter and grade, end plate thickness, and column flange. Skewed or dual axis moment connections, moment connections in the weak axis direction of the column e. Aisc design guide 04 extended endplate moment connections.
Numerical evaluation of the extended endplate moment connection. All bolted moment splice 1 bolted flange plate block shear rupture bolt bearing bolt shear plate buckling tension rupture tension yielding weld strength. The aforementioned studies, and others, used time consuming experimentation to explore the behavior and try to develop the prediction equations for the extended end plate moment connections. Two major advantages are its ability to relieve the high stresses at the connection due to the flexibility of the end plate and good weld quality more easily obtainable under control shop welding. Specimens were six fourbolt extended end plate connections consist of hshaped columns and ishaped beams with different geometry as well as different end plate size and bolt diameter. The guide makes use of yield line theory in a new design philosophy extended end plate moment connections in wind and seismic applications. Steel design guide extended end plate moment connections seismic and wind applications second edition. Aisc design guide 04 extended endplate moment connections american institute of steel construction download bok. Aug 04, 2000 the proposed prediction equations are able to predict the thickness of the end plate to within %.
Pdf pretensioned extended, bolted endplate moment connections are very popular due to ease of fabrication and erection. The extended end plate moment connection presents a number of advantages over the more conventional welded flange bolted web moment connection. Cyclic behavior of bolted extended endplate moment. Evaluation of extended endplate moment connections under seismic loading by john c. Extended end plate moment connections seismic and wind applications.
Moment resisting connections are used in multistorey unbraced buildings and in singlestorey portal frame buildings. The earlier design methods were based on statics and simplifying. Steel design guide extended endplate moment connections seismic and wind applications second edition. End plate moment connections are classi fied as either flush or extended, with or without stiffeners, and further classified depending on the number of bolts at. Steel design guide extended endplate moment connections.
Eleven fullscale cyclic and nine monotonic extended endplate moment connection tests were conducted. Thesis submitted to the faculty of the virginia polytechnic institute and state university in partial fulfillment of the requirements for the degree of master of science in civil engineering approved. Aisc, manual of steel construction, load and resistance factor. In a stiffened extended end plate when there is more than one row. Aisc design guide 04 extended end plate moment connections. The current code for assigning connections is selected in the design menu similar to ram connection 11 stand alone. Design tools for bolted endplate beamtocolumn joints. B1 bolted flangeplate fr moment connection beamtocolumn flange given. In addition, the relationship of the moment and rotation. The procedure involved manual metal arc welding in.
In addition the suitability of extended endplate moment connections for use in seismic force resisting moment frames was investigated. Eleven fullscale cyclic and nine monotonic extended end plate moment connection tests were conducted. Sep 01, 2018 aisc steel connection design extended end plate moment connection aisc steel connection design flange plate moment connection aisc steel connection design shear connection shear tab. Unstiffened extended endplate fr moment connection beamtocolumn flange idea statica connection results the extreme tension force in upper bolt is ft 211. Extended end plate moment connections showed good potential for use in seismic zones. Cyclic behavior of bolted extended end plate moment connections with different sizes of end plate and bolt stiffened by a rib plate article pdf available in civil engineering journal 41.
In addition the suitability of extended end plate moment connections for use in seismic force resisting moment frames was investigated. Aisc design guide 16 flush and extend multiple row moment. Montaguebetts professor of structural steel design virginia polytechnic institute and state university blacksburg, virginia emmett a. Extended endplate moment connections seismic and wind applications second edition. Cyclic loading of end plate moment connections canadian. This model is used to conduct a parametric study on two endplate con. Chapter iib fullyrestrained fr moment connections the design of fully restrained fr moment connections is covered in part 11 of the aisc steel construction manual.
Connections in multistorey frames are most likely to be bolted, full depth end plate connections or extended end plate connections. Swanson analysis systems online manual, version 11. Unified design of extended endplate moment connections subject. Extended end plate moment connections is now available. Cyclic behavior of bolted extended endplate moment connections with different sizes of end plate and bolt stiffened by a rib plate article pdf available in. It was found, experimentally, that this type of connection might act as either a fullyrigid or a semirigid connection depending mainly on the thickness of the end plate and the diameter of bolts.
Manual of steel construction, load and resistance factor design, american. One east wacker drive, suite 700 chicago, illinois 606011802. Figure 2a shows the ratios of the theoretical moment resistance and the experimental moment resistance. Design guide 16 covers the design of flush and extended multiple row moment end plate connections. A considerable number of literatures have been published on the behavior of end plate connections in ordinary moment resisting frames. Behavior of ibeam bolted extended endplate moment connections. The proposed prediction equations are applicable to stiffened and unstiffened end plate moment connections with various bolt layouts. Pretensioned extended, bolted end plate moment connections are very popular due to ease of fabrication and erection. Behavior of extended endplate steel beam to column connections. Apr 23, 2019 end plate moment connection is a spreadsheet program written in msexcel for the purpose of analysis and design of end plate moment connections per the aisc 9th edition asd manual.
Pdf this paper presents a numerical study on the behavior of prequalified bolted extended end plate beep moment connections when are affected by. The updated guide was written by tom murray of virginia tech and emmett sumner or nc state. Extended endplate moment connections is now available. The guide makes use of yield line theory in a new design philosophy extended endplate moment connections in wind and seismic applications. Design a bolted flangeplated fr moment connection between a w18. Specifically the program can analyze both single 4tension bolt and 8tension bolt configurations, as well as the conditions of having moment connections on each. With reference to beamtocolumn joints with extended endplate connections, the experimental results presented in 816 were considered. Pdf cyclic behavior of bolted extended endplate moment. In order to identify the effect of different parameters on the behavior of the connection, a threedimensional finite element model that accounts for both geometrical and material nonlinearities is developed using the multipurpose software package ansys. Steel buildings in europe singlestorey steel buildings part. The design code and design method is controlled by the code selected for design when performing a design in the ram elements model.
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