0000130837 00000 n 0000002516 00000 n Seismic Design of Earth Retaining Structures By Atop Lego, M.Tech (Struct.) startxref Design Example of a Building IITK-GSDMA-EQ26-V3.0 Page 3 Example — Seismic Analysis and Design of a Six Storey Building Problem Statement: A six storey building for a commercial complex has plan … However, the seismic design exemptions discussed earlier are a function of the design ground motion level at a given location. 0000077298 00000 n The beam shown below is part of a special moment frame located in … Structures assigned to Seismic Design Category C, D, E, and F with Type 1a and Type 1b horizontal structural irregularity New Diaphragm Requirements •Section 12.10.3 required for … ADSTIR ACT ( s ss reverse as If necessary and fdeitfy by bl ock bor . Structures assigned to Seismic Design Category B with Type 1b horizontal irregularity 2. 0000049890 00000 n However, seismic … Rules for the representation and calculation of seismic actions and for their combination with other actions Section 4 –Design of buildings General design rules relevant specifically to buildings Section 5-9 –Specific rules for design of several types of buildings Design … 0000003303 00000 n Instructional Materials Complementing FEMA P-751, Design Examples . Seismic Design Updates for the California Building Code Dave Baska PhD, PE, GE, CEG August 2019. Seismic design shear Ve in plastic hinge regions is associated with maximum inelastic moments that can develop at the ends of members when the longitudinal tension reinforcement is in the strain hardening range (assumed to develop 1.25 fy). 0000002382 00000 n 2 133 Design Example 2 n Flexible Diaphragm Design As given, the base shear for this building is V = 0.25W.Because it is a one-story building, Equation 12.10-1 simply becomes the following: Also, construction materials, shoring system design, water retaining structures, crack width calculations, etc. EXAMPLE 9 SEISMIC ZONE 1 DESIGN 1 2018 Design Example 9 • • • • Example 9: Seismic Zone 1 Design Example Problem Statement Most bridges in Colorado fall into the Seismic Zone 1 category. This article is a UBC 1997 seismic design example that elaborates the calculation process in actual conditions. 1.1 Project Objective The purpose of this guide is to • Provide comprehensive, yet easy to follow guidance for the seismic design … 0000009264 00000 n Structural loads, structural analysis and structural design are simply explained with the worked example for easiness of understanding. .--- - The report discusses the seismic design … Middle: 5'x30'x4'-0" Side: 8'x32'x4'-0" Foundation Design … Let’s calculate the period of the structure. Seismic Design of Earth Retaining Structures By Atop Lego, M.Tech (Struct.) First, the design team must take a multi-hazard approach towards design that accounts for the potential impacts of seismic forces as well as all the major hazards to which an area is vulnerable. The instructor/student should carefully review Chapter 10 of FEMA 451 for additional information on the seismic resistant design of wood structures. 0000004907 00000 n Distribution of the forces due to the earthquake is done accordingly in following UBC 1997 seismic design example. Given: Per original Sample Calculation Statement: • Property is located in a FEMA-designated floodplain (Zone AE) and is subject to a 100-year . V = ( 0.08 x 1 / 3.5 x 0.471 ) 260 = 12.618 kN. 1. UBC 1997 seismic design process is discussed in another article on the web site. have discussed in addition to other aspects. The 2015 IBC SEAOC Structural/Seismic Design Manual provides a step-by-step approach to applying the structural provisions of the 2015 International Building Code and referenced standards. x��V�oSu?�X�v[s8�kGP���N;:��^wE6I٠u��Yr��Z&@��è!A���LF��4�E�!���F��u�� ���|��|�����|���^HG�� ���@�4�R�"M���#��v�F7��R���˕@�������` ��L;O���@�:!�[ +�������'l�����ٳ3�0)���p�m���|����Ίg� ?Cv���G�T� �^�:w8=�k��˧B)���;lP�{a3�\o�N�BS�L�D�L�_-�bǹ��2����|N�ձ�7�.5��� �����=���M0����@e�����zU����;���o_�o�n�C�N�E�7���;.�(�J���Κ�ڼfOgY�xee^Y�����+�W44O+ze��LX�|��}9^&����f5��@�}o��+��9[ SEISMIC DESIGN EXAMPLE 2- Design of the critical end regions of a beam in a special moment frame for shear and confinement. Per AASHTO, no seismic analysis is required for structures in Zone 1. Volumes 2 and 3: Building Design Examples, furnish examples of seismic design … The figure below indicates the structural arrangement considered for UBC 1997 seismic design example. Example 1 juxtaposes the seismic design methods and calculations for an identical bridge for both the 1000 yr. and 500 yr. events in order to highlight the differences and similarities between the two, and serves as a transitional reference for the designer. In this example, I considered the building located in Zone 01 where the. Design (ASD) and Load and Resistance Factor Design (LRFD). Retaining walls--design and construction (LC)' Richards-Elms retaining wall design method (WES). FEMA P-751, NEHRP Recommended Seismic Provisions: Design Examples 10-4. EXAMPLE 9 SEISMIC ZONE 1 DESIGN 1 2018 Design Example 9 • • • • Example 9: Seismic Zone 1 Design Example Problem Statement Most bridges in Colorado fall into the Seismic Zone 1 category. trailer Force to be applied in the static analysis can be calculated from the following equation. 1, 2, 3) have replaced the use of seismic zones with Seismic Design … EUR 25204 EN - 2012 Eurocode 8: Seismic Design of Buildings Worked examples Worked examples presented at the Workshop “EC 8: Seismic Design of Buildings”, … Results for all Seismic Resistant System Footings . seismic design category for a structure is permitted to be determined in accordance with Section 1613 or ASCE 7”. Per AASHTO, no seismic analysis is required for structures in Zone 1. Structural Engineers use different design codes/guidelines for calculation of earthquake loads. Vmax = ( 2.5 x 0.08 x 1 / 3.5 ) 260 = 14.857 kN. He has led his firm’s design work on projects such as the Getty Museum and major buildings on the campuses of the University of California at Los Angeles, Riverside, and San Diego. 0000130242 00000 n … Structures assigned to Seismic Design Category B with Type 1b horizontal irregularity 2. flood 4 ft in depth above ground level; • Local regulations require an additional 1 ft of freeboard above the 100-year flood elevation; … 0000079968 00000 n Generally, the seismic weight is the self-weight of the structure. seismic design shear forces. F1 = 12.618 x 100 x 4 / [100 x 4 + 100 x 8 + 60 x 12] = 12.618 x 400 / 1920 = 2.629 kN, F2 = 12.618 x 100 x 8 / [100 x 4 + 100 x 8 + 60 x 12] = 12.618 x 800 / 1920 = 5.258 kN, F3 = 12.618 x 60 x 12 / [100 x 4 + 100 x 8 + 60 x 12] = 12.618 x 720 / 1920 = 4.732 kN. In this UBC 1997 seismic design example, Ft = 0. However, seismic criteria must be addressed in this case. %PDF-1.4 %���� E. Carvalho, M. Fardis . 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