How do i interpret the element design results per the aci code. This design example demonstrates the design of a tangent threespan continuous composite tub girder bridge with a span arrangement of 187. Design model of builtupstiffened column base under large eccentric load biswajit som1, sandip maity2, gokul ch. Specify the yield strength of the base plate material. The design of the anpr system, including gui design, process design, and database design on android platform has been presented in 7, while this paper will focus on the performance evaluation of. The design shear force can be reduced to account for the loads applied inside the outer perimeter. However, precast concrete is a hybrid type of construction for which not all ibc requirements are easily applied. Asce, secb course content flat plate and flat slab systems flat plates. Avoid damage to bearings when field welding sole plates to girder flanges. Pdf design of automatic number plate recognition on. Grossman in practical engineering for the analysis of flat plate structures. The distance from the center of the upright to the center of the sign is 24 ft. Slab thickness a flat plate floor system is a twoway concrete slab of uniform depth without interior beams, drop panels or. Thus, the stress resultant n and stress couples m are n.
Design a plate with the lowest cost if the manufacturing cost per ply of graphiteepoxy and glassepoxy is 10 and 4 units, respectively. Engineers often run into situations where there are no codes available to design a particular type of a base plate or there are instances where base plate were simply over designed in the past and the engineer has to check the design of this old base plate based upon new loadings and make modifications as required. Example building below is a partial plan of a typical floor in a castinplace reinforced concrete building. Aisc design guide 01 base plate and anchor rod design 2nd. Engineered solutions structural plate design guide 7 edition. Design model of builtupstiffened column base under large. Flat plate concrete floor system does not use beams between. Therefore the base plate and anchor rods must be capable n. The effective width is bound on either side by the closer of the nearest adjacent plate edges or lines constructed starting from the external fasteners within the. Maximum fp is used to calculate design minimum plate size. It is common design practice to design a building or struc b. Mobile license plate reader system standard for law enforcement.
The design of column base plates involves two main considerations. Plate specification examples r2 2 b 691 32mm, 10 series edge detail p1b latching plate short a10 32 order code. Base plates are normally designed using codebase procedures e. Specifically, wide flange column base plates may be subjected to axial loads compression or tension, with or without majoraxis column bending, plus majoraxis shear. For such columns, the simple columnbaseplate connection detail shown in figure 1. Pdf steel frame structure analysis and design by staadpro. The following example illustrates the example building. The concrete foundation blosk dimensions are 1600 x 1600 x mm. The designer wants to at least halve the thickness of the plate to make room for additional hardware. Baseplt9 steel column base plate analysis per aisc 9th.
Steel templates consisting of flat plates or angletype frames are sometimes used for very large anchor rod assemblies requiring close setting. Use 200x c16 flitch beam with a 10mm 150 depth steel plate lintels load to lintel roof 3. Mobile license plate reader system standard for law. The hand solution from efm is also used for a detailed comparison with. Framed, twoway, conventionally reinforced, concrete flat slab and flat plate construction and design d. Baseplt9 steel column base plate analysis per aisc 9th ed. Calculations prepared by jms consulting engineers ltd. A painting, a comfortfood craving, a slab of purplered tuna belly sparkling behind the counter at the seafood shop. Design example 1 cantilevered overhead sign support truss with post problem statement.
Flat slab analysis, design and detailing pdf civil. Tsavdaridis, kd, shaheen, m, baniotopoulos, c et al. Pdf steel frame structure analysis and design by staad. A10 32 05 p1b l 1 2 4 p1b 5 guide for ordering l 691 32mm, 40 series edge detail p1b locking plate 220 72 220 85 691 32mm, 40 series. Base plate design metric units online structural design. The design process for these bridge structures is not covered in this document. The task is to create ms excel spreadsheet for steel column base plate design to bs5950. Base plate and anchor rod design guide has been created to assist engineers and fabricators in the design, detailing and specification of columnbase plate and anchorrod connections, in a manner that avoids common fabrication and erection problems. Department of civil engineering, scms school of engineering and technology, ernakulam, kerala, india. In this example, the calculating value of the effective depth d v is equal to the effective depth d minus the concrete cover c on the bottom surface of the slab. Pdf files in the structure component plans for each bridge number.
This design guide is written in terms of a limit states format, unless specifically. Structural plate design guide contech engineered solutions. The shear stress in the panel zone bounded by the flanges of the column and the continuity plates shall meet t ym. Engineers often run into situations where there are no codes available to design a particular type of a base plate or there are instances where base plate were simply over designed in the past and the engineer has to check the design of this old base plate based upon new loadings and make. The onedimensional case of stress distribution is shown in the. Design example 1 cantilevered overhead sign support. Jan 29, 2015 base plates are normally designed using codebase procedures e. Examples of design procedure for each type of tanks in chapters 4 through 8 are included in appendices. Beamcolumn base plate designlrfd method pages 1 10. Abstract practical knowledge is an important and essential skill required by every engineer.
May 02, 2018 this document is a stepbystep base plate anchor bolt design example using asdip steel. Lowprofile arch super plate is only available up to 388 x 159. From the bounding box analysis, respective row and column indices of plate area are found out. Strutandtie model is used to anlyze the shear transfer and to design the required tie reinft stm strength reduction factor st 0. Direct design method ddm for slab systems with or without beams loaded only. As an example, lets consider the base plate of a column which is part of a moment frame, subject to the vertical, horizontal, and moment loads shown below. In this example, an interior strip of a flat plate floor system is designed and detailed for the effects of gravity loads according to aci 31805. Contact your local contech representative for more information. Here is an explanation on the various design output items reported as part of the analysis output file corresponding to the design element command.
Twoway flat plate concrete slab floor analysis and design. I85 atlanta, ga design a structure to support a sign 22 ft. Baseplt9 is a spreadsheet program written in msexcel for the purpose of analysis of steel column base plates. Design of beamcolumn connections in steel moment frames. Long reinf reinforcement required along the longitudinal direction along local x axis of the plates. Calculation of column base plate sheet excel web share 20160704t17. Structural engineers commonly use the equivalent frame method with equivalent beams such as the one proposed by jacob s.
Nov 28, 2014 design of base plate with small eccentricities if e plate p ab f 2 1 i bn 16. Lastly, a thorough design example of a bolted field splice for a steel igirder is provided, illustrating calculations for flange and web stress, splice plate design, and bolt design. Design of column base connection is more complex than other steel to steel connection in a structural system due to its concrete interface. The design examples provide coverage of all applicable limit states whether or not a. The spreadsheet is to cover the following column section types. Calculations prepared by jms consulting engineers ltd bd110624. For such columns, the simple columnbase plate connection detail shown in figure 1. Twoway flat plate concrete floor system design structurepoint. A10 32 05 p1b l 1 2 4 p1b 5 guide for ordering l 691 32mm, 40 series edge detail p1b locking plate 220 72 220 85 691 32mm, 40 series edge detail p1b. This document is a stepbystep base plate anchor bolt design example using asdip steel. Base plate bearing pressure is checked as well as bolt tension, if. Calculation of column base plate sheet excel civil. Manufacturer customizer and dealer temporary plates.
Base plates are elements required at the end of columns to distribute the concentrated load of the column over a much larger area of the material that supports it. Large moment base plate design, triangular pressure distribution approach design the base plate shown in figure b. This example illustrates the flexural design of a section in positive flexure, the flexural design of a section in negative flexure, the shear design of the web, the evaluation of. Design of column base plates anchor bolt linkedin slideshare. This pdf file contains a chapter of 23 pages with various aspects of flat slabs including four example of flat slab design. Design example an electronic device uses an aluminum plate of crosssection 4x4 to take a pure bending moment of,000 lbin. Uc, ub, shs, chs, rhs all selectable from one dropdown menu.
One, spread the load so as to maintain the bearing pressures under the allowable values, and the second is with the connection, or anchorage, of the base plate and column to the concrete foundation. Requirements for suppliers declaration of conformity are provided in a separate document, law enforcement mobile license plate reader system suppliers declaration of conformity requirements, nij cr100x. Topics covered in aisc design guide 1 include material selection, fabrication, erection, and repairs, guidance on base plate and anchorage design for compression, tension, and bending, guidance on the design of anchors for fatigue applications, and design examples on all common design cases, presented sidebyside for both asd and lrfd. Base plate anchor bolt design example using asdip steel. Design of base plate with small eccentricities if e a. This document is a performance and testing standard and, therefore, provides precise and detailed test methods. How do i interpret the element design results per the aci. Choose from a great selection of template plates ranging from dinnerware to license plates for you car. If the plate were larger than the stress cone, then the embedment length would exclude the thickness of the embedded plate.
Slabcolumn sub assemblages, modelled after a reinforced concrete flat plate building, are tested under combined gravity and lateral loads. Ancholt bolt design with tension and shear using anchor. In this method, the effective width is measured across the last row of fasteners in the connection under consideration. Design considerations for reinforced concrete flat slab. Base plate modeling in staad pro civil engineering community. Flat plate concrete floor system does not use beams between columns or. Strength, service, and fatigue limit states are considered, and design checks are provide for tension, compression, and shear resistance of splice plates, fracture. Load rating evaluation of gusset plates in truss bridges. A good example of calculation steps can be found in csc tedds software, and four printouts are attached for your information only. Load rating evaluation of gusset plates in truss bridges part. Column base plate design online calculation report checked by date cn 16. The maximum normal stress in a plate under bending is given by stress m t2 i where m bending moment lbin t thickness of plate in. The column base is subject to the factored force f sd 500 kn.
Determining the bearing pressure by this method might result in thicker plates if bending stress is high between webs or within pipe or tube walls. Jan 01, 2017 the design of the anpr system, including gui design, process design, and database design on android platform has been presented in 7, while this paper will focus on the performance evaluation of. Pdf design of automatic number plate recognition on android. In this example deflection will be calculated and checked to satisfy. Design process step 3 calculate the required panel zone thickness and determine if a doubler plate is needed.
Framed, twoway, conventionally reinforced, concrete flat. Base plate anchor bolt design example using asdip steel software. Major axis plate dimension mm minor axis plate dimension mm plate thickness mm please select 12 12. Browse our preexisting designs or create your own on zazzle today. The important dimensions of the columnbase plate connection are shown in figure 3. Practical design and detailing of steel column base plates. December 18, 2008 load rating evaluation of gusset plates in truss bridges by firas i. Base plate design example civil engineering community. Analytical approach of anchor rod stiffness and steel base. Mar 31, 2015 the design of column base plates involves two main considerations. Design plates london bus rapid transit transit project assessment process environmental project report draft april 2018.