BUILDING DESIGN PDF
Editors: resourceone.infoli, resourceone.infošek, resourceone.infova, resourceone.info, resourceone.info EUROCODE 2: BACKGROUND & APPLICATIONS. DESIGN OF CONCRETE BUILDINGS. Library of Congress Cataloging-in-Publication Data. Building design and construction handbook / Frederick S. Merritt, editor,. Jonathan T. Ricketts, editor. Good Building Design and Construction Handbook. Page 3. Purpose of the Handbook. This Handbook is made to provide simple information to house owners.
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Example — Seismic Analysis and Design of a Six Storey Building. Problem Statement: A six storey building for a commercial complex has plan dimensions as. PDF | Structural design is the primary aspect of civil engineering. engineering is the design of simple basic components and members of a building viz., Slabs, . 𝗣𝗗𝗙 | The main objective of this project is to analyze and design a multi-story building (3D-dimensional reinforce concrete frame), the design of.
For irregular buildings, lesser than 40 m in height in Zones 11and III, dynamic analysis, even though not mandatory, is recommended. However, in either method, the design base shear VB shall be compared with a base shear VB Time History Method- Time history method of analysis shall be based on an appropriate ground motion and shall be performed using accepted principles of dynamics.
Response Spectrum Method- Response spectrum method of analysis shall be performed using the design spectrum specified, or by a site-specific design spectrum mentioned. That input file is a text file consisting of a series of commands which are executed sequentially. The GUI Modeling facility creates the input file through an interactive menu-driven graphics oriented procedure.
Fig 3. A SPACE structure, which is a three dimensional framed structure with loads applied in any plane, is the most general. A TRUSS structure consists of truss members which can have only axial member forces and no bending in the members. The figure below shows the GUI generation method.
E value for members must be provided or the analysis will not be performed. Weight density DEN is used only when self weight of the structure is to be taken into account. Coefficient of thermal expansion ALPHA is used to calculate the expansion of the members if temperature loads are applied. STAAD can also generate the self-weight of the structure and use it as uniformly distributed member loads in analysis. Any fraction of this self weight can also be applied in any desired direction.
Joint loads: Joint loads, both forces and moments, may be applied to any free joint of a structure. These loads act in the global coordinate system of the structure.
Positive forces act in the positive coordinate directions. Any number of loads may be applied on a single joint, in which case the loads will be additive on that joint. These loads are uniformly distributed loads, concentrated loads, and linearly varying loads including trapezoidal.
Uniform loads act on the full or partial length of a member. Concentrated loads act at any intermediate, specified point.
Linearly varying loads act over the full length of a member. Trapezoidal linearly varying loads act over the full or partial length of a member.
It could require a lot of work to calculate the member load for individual members in that floor. The program will calculate the tributary area for these members and provide the proper member loads. The Area Load is used for one way distributions and the Floor Load is used for two way distributions. Fixed end member load: Load effects on a member may also be specified in terms of its fixed end loads. These loads are given in terms of the member coordinate system and the directions are opposite to the actual load on the member.
Each end of a member can have six forces: axial; shear y; shear z; torsion; moment y, and moment z. Moving Load Generator: This feature enables the user to generate moving loads on members of a structure. Moving load system s consisting of concentrated loads at fixed specified distances in both directions on a plane can be defined by the user.
A user specified number of primary load cases will be subsequently generated by the program and taken into consideration in analysis. It is assumed that the lateral loads will be exerted in X and Z directions and Y will be the direction of the gravity loads.
Thus, for a building model, Y axis will be perpendicular to the floors and point upward all Y joint coordinates positive. For load generation per the codes, the user is required to provide seismic zone coefficients, importance factors, and soil characteristic parameters Wind Load Generator: The STAAD Wind Load generator is capable of calculating wind loads on joints of a structure from user specified wind intensities and exposure factors.
Different wind intensities may be specified for different height zones of the structure. Openings in the structure may be modelled using exposure factors.
It accepts all parameters that are needed to perform design as per IS: Over and above it has some other parameters that are required only when designed is performed as per IS: Default parameter values have been selected such that they are frequently used numbers for conventional design requirements.
These values may be changed to suit the particular design being performed by this manual contains a complete list of the available parameters and their default values.
BUILDING DESIGN AND CONSTRUCTION HANDBOOK Frederick
It is necessary to declare length and force units as Millimetre and Newton before performing the concrete design. If required the effect of the axial force may be taken into consideration. For all these forces, all active beam loadings are pre-scanned to 15 identify the critical load cases at different sections of the beams. For design to be performed as per IS: the width of the member shall not be less than mm. Also the member shall preferably have a width-to depth ratio of more than 0.
Design for Shear: The shear force to be resisted by vertical hoops is guided by the IS revision. Elastic sagging and hogging moments of resistance of the beam section at ends are considered while calculating shear force. Plastic sagging and hogging moments of resistance can also be considered for shear design if PLASTIC parameter is mentioned in the input file.
Shear reinforcement is calculated to resist both shear forces and torsional moments. Columns are also designed for shear forces.
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All major criteria for selecting longitudinal and transverse reinforcement as stipulated by IS: have been taken care of in the column design of STAAD.
However following clauses have been satisfied to incorporate provisions of IS 1 The minimum grade of concrete shall preferably be M20 2. Steel reinforcements of grade Fe or less only shall be used.
The minimum dimension of column member shall not be less than mm.
For columns having unsupported length exceeding 4m, the shortest dimension of column shall not be less than mm. The ratio of the shortest cross-sectional dimension to the perpendicular dimension shall preferably be not less than 0.
The spacing of hoops shall not exceed half the least lateral dimension of the column, except where special confining reinforcement is provided. Special confining reinforcement shall be provided over a length lo from each joint face, towards mid span, and on either side of any section, where flexural yielding may occur.
The member design facilities provide the user with the ability to carry out a number of different design operations. These facilities may design problem. Earthquake motion often induces force large enough to cause inelastic deformations in the structure. If the structure is brittle, sudden failure could occur.
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But if the structure is made to behave ductile, it will be able to sustain the earthquake effects better with some deflection larger than the yield deflection by absorption of energy.
Therefore ductility is also required as an essential element for safety from sudden collapse during severe shocks. While designing it satisfies all provisions of IS — and IS for beams and columns. It is a method for proportioning structural members using design loads and forces, allowable stresses, and design limitations for the appropriate material under service conditions. STAAD allows the user to change input such as member properties, support conditions etc. Pro GUI. Stability Requirements Slenderness ratios are calculated for all members and checked against the appropriate maximum values.
IS summarize the maximum slenderness ratios for different types of members. The deflection check may be controlled using three parameters. Deflection is used in addition to other strength and stability related criteria. The local deflection calculation is based on the latest analysis results. Code Checking The purpose of code checking is to verify whether the specified section is capable of satisfying applicable design code requirements.
The code checking is based on the IS: requirements. Forces and moments at specified sections of the members are utilized for the code checking calculations. If no sections are specified, the code checking is based on forces and moments at the member ends. Pro Fig 4.
Pro support generator. Fig 4. Pro load generator. Pro itself with the self weight command in the load case column. Pro by specifying the floor thickness and the load on the floor per sq m. The live loads were generated in a similar manner as done in the earlier case for dead load in each floor. This may be done from the member load button from the load case column.
Under the define load command section, in the wind load category, the definition of wind load was 24 supplied. The wind intensities at various heights were calculated manually and feed to the software. Based on those values it generates the wind load at different floors. Pro has a seismic load generator in accordance with the IS code mentioned.
Description The seismic load generator can be used to generate lateral loads in the X and Z directions only. This webinar will provide an overview of DCA 6 along with its Commentary and Appendices and include several examples showing application of the deck guide.
Deck and balcony collapses injure occupants every year. This article highlights certain engineering topics related to DCA 6 and provides some background for those issues. Hundreds of wood decks get built every year and some without the proper guidance for designing or constructing a safe deck. Thinking about your next spring project or do you have a client that needs a wood deck designed?
This course will provide an overview of common questions and challenges with design and construction of residential wood decks. If you build decks, inspect decks, are planning to build a deck, or just want some great info on how to properly build a deck, download this free guide from the American Wood Council.
Download Full PDF. What's Changed? Expand all Collapse all. Learning Objectives: Identify minimum material requirements for deck construction including wood members and fasteners.
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Identify minimum construction detailing requirements. Understand design requirements and available resources for both prescriptive and engineered deck designs. Identify changes to DCA Identify minimum prescriptive wood deck requirements.
Describe deck construction including wood members and fasteners. Discuss provisions in DCA6 commentary and provide other resources. Understand the scope and limitations of DCA 6 Become familiar with the types of decks covered by DCA 6 and their differences Become familiar with minimum sizing requirements for various deck structural elements Understand the types of loads residential decks are designed to resist Equivalencies: Identify deck provision changes from the IRC and the corresponding DCA 6 along with a refresher on IRC provisions Identify minimum prescriptive wood deck requirements Describe deck construction including wood members and fasteners Discuss provisions in DCA6 Commentary and provide other resources Equivalencies: Diagnose common challenges faced when designing and building residential wood decks and how to overcome them.
Discover additional resources available for wood deck design and construction.Log In Sign Up. Each of these sections are designed to resist both of these critical sagging and hogging moments. The live loads were generated in a similar manner as done in the earlier case for dead load in each floor.
I thought the live load requirement for decks and balconies was psf? Provisions contained in this document that are not included in the IRC are considered good practice recommendations. Pro was used to analyse the structure and design the members.
Fixed end member load: Load effects on a member may also be specified in terms of its fixed end loads. Building is resting on medium soil. Goshal, H.
The values for the area of longitudinal reinforcing steel are now in units of mm2.
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