Calculation of factored resistance of guy cables has been corrected phi 0. Using csa s3701 in tower and plspole introduction tower and plspole now provide explicit support for the canadian standards association standard s37 2001 for antennas, towers and antennasupporting structures hereafter referred to simply as s37. The specifications herein are intended to compliment applicable industry standards. Tower foundation designed for dmx 68 tower to can csa s37 01 for winds of 450pa with 25mm1 of ice. It is recommended that as per csa s37 01 the current physical structural condition of the tower be verified by inspection. Rune buhl frederiksen, manager, waters educational services 2012 waters corporation 2. You may purchase the csa standard s3701 as a pdf from csas online store.
The guyed tower was analyzed in static to evaluate the tower strength failure using several advanced failure theories. Explanation of csa class 1 vs class 3 wind loading. The following pages contain wind loading specifications for each tower model. Servicing dmx towers will withhold the impact load of a climber in case of a fall in accordance with csa s16 09 and csa s37, based on the conditions noted below. The wind load capacity is expressed as the maximum allowable antenna area that can be placed at the tower top, based on a specific wind pressure. This manual and the program it describes have been prepared with due care. Can csa s37 01 antennas, towers and antennasupporting structures this document provides an overview of the requirements of can csa s37 01 antennas, towers and antennasupporting structures with respect to welding. To support the mounting pipe, every top section is factory installed with angle frames and ubolts at top and middle of the section.
Prior to now, some engineers have used the tiaeia 222f. Finite element method for the static and dynamic analysis. Find the most uptodate version of csa s37 at engineering regulations is not relieved by compliance with this standard. Csa s37 classification with pa and 40 mm ice design conditions for csa s37 01. Welding is a key joining method used in the fabrication of antennas and towers. Specifies criteria for the structural design and appraisal of structures or structural elements made from wood or wood products, including graded lumber, gluedlaminated timber, crosslaminated timber clt, unsanded plywood, oriented strandboard osb, composite building components, shearwalls and diaphragms, timber piling, poletype construction, prefabricated wood ijoists, structural. Csa s37 01 the ability of the support to resist outofplane buckling will be evaluated as per 6. We have assumed that this tower is in good, undamaged and noncorroded condition in accordance with the records shown in drawings by engineering company fax dated february 26, 1997. Find the most uptodate version of csa s37 at engineering360.
Tiaeia 222f, tiaeia222g draft and the canadian equivalent csa s37 94 and csa s37 01. Evolution of design standards and recorded failures of guyed towers in canada. Pdf structural analysis of guyed steel telecommunication towers. The design of such angles is being explicitly covered for the first time in csa standard s37 94, antennas, towers and. Preface this is the seventh edition of csa standard s37, antennas, towers, and antennasupporting structures. Ansitia 222g2005 and ansitia 222h and canadian standards csa s37 94, csa s37 01, csa s37 and csa s37 18. The second is a winter condition combining wind and. Cancsas3701 antennas, towers and antennasupporting. Class 1 class 1 height factor 1 region united states europe, middle east and africa caribbean and latin america canada and rest of the world.
It supersedes the previous editions published in 2001, 1994, 1986, 1981, 1976, and 1965. This report was prepared by tiller engineering inc. Commentary on csa standard s37 01, antennas, towers and antennasupporting structures 5 5 c 4. Fixed display of the crest height value on the material takeoff page. Dmx standard, medium and heavy duty towers made in. Tstower is developed and supported by towersoft inc. The program analyzes the tower for all specified wind and ice loads and determines the capacity of the members. Csa s37 20 s37 antennas, towers, and antennasupporting structures. The authors accept no liability for any damages that may result from its use. Tower and plspole now provide explicit support for the canadian standards association standard s37 2001 for antennas, towers and antennasupporting structures hereafter referred to simply as s37. Selby and dryburgh 1996 conducted a number of comparative studies to determine the conditions under which the patch load analysis of the csa s37 94 standard was required for guyed towers. Added a force and moment diagram for seismic loads on the material takeoff screen. Merge peaks for gpc only sl% set liftoff % st% set touchdown %.
Can csa s37 01 standard, antennas, towers and antenna supporting structures. Introduction welding is a key joining method used in the fabrication of. Can csas3701 antennas, towers and antennasupporting structures this document provides an overview of the requirements of can csa s3701 antennas, towers and antennasupporting structures with respect to welding. The tower was analyzed using the finite element ansys software and was designed to satisfy both the ultimate and the serviceability limit state requirements of the csa s37 01 standard. When you have several identical rows that you would like to combine into a single row. The work was carried out in a manner outlined in the aforementioned standard. October 2018 antennas, towers, and antennasupporting structures, includes update no. A description of the associated priority ratings used in this section is given below. We are available to perform this service for a fee if required by the client. Commentary on csa standard s3701, antennas, towers and. Tiaeia 222g the ability of the support to resist outofplane buckling will be evaluated as per section 4.
Analysis and strengthening of caisson foundations for. For examples of csa class 1 vs class 3, see page 28. The items in this section require corrective action as noted. S37 antennas, towers, and antennasupporting structures preface this is the seventh edition of csa standard s37, antennas, towers, and antennasupporting structures. Csa s37012001r2006 pdf antennas, towers, and antenna. The strength check implemented in tower is described in the tower manual.
The azimuth of the line joining the tower base to the guy anchor. Includes 4 anchor stub legs for concrete, splice hardware, 8 x 1. Design and construction of building components with fibrereinforced polymersfirst edition. Csa s37 01 pdf find the most uptodate version of csa s37 at engineering regulations is not relieved by compliance with this standard.
Dmx standard, medium and heavy duty towers made in canada features dmbs note. Bracing is 90 angle on a diagonal pattern no horizontals all members are hotdip galvanized. Allowing for a 6% reserve capacity, an additional uplift capacity of 800 kn was required per caisson. Commentary on csa standard can csa s600, bridge design code. Would you expect your summer jacket to keep you warm in the winter. Millard builds their masts to csa s37 01 taking into account site specific environmental conditions, particularly wind and ice loads, thus ensuring masts are reliable and safe for decades to come.
Considering the 6kn selfweight of the caisson, an overload factor of 2. Csa s37 antennas, towers, and antennasupporting structures. Csa s37 2001 r2011 s37 01 r2011 antennas, towers, and antennasupporting structures. Design according to csa a on free shipping on qualifying offers. Annex r informative commentary on csa s37 abstract show below hide below pertains to structural antennas, towers, antennasupporting structures, and roof and wallmounted structures, including their components, such as guys and foundations. Case study of lidar in cold climate and complex terrain in. This documen t provides an overview of the requirements of cancsa s3701 antennas, tow ers. Pdf the usual structural analysis models for telecommunication and transmission steel tower design tend to. Corrected application of userspecified gh values for guys under tia222g. Load generation, capacity assessments follow the applicable codes, and analysis is based on a threedimensional beam model. May 1, 2001 antennas, towers, and antennasupporting structures. Added the ability to set custom utilization ratio limits, using the stress ratio for wind and safety factor for guys settings on the code page.
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