We specialize in the civilstructural engineering field with varying degrees of experience in the following disciplines. Short presentation of the main features useful for hollowcore slab design. This design example was not intended to follow the design and detailing practices of any. Segmental prestressed concrete poles to avoid problems with tra n s p o r ting long poles, precast pole segments can be assembled on site. This program computes pile section p m interaction diagrams considering slenderness of the pile. Smaller deflections the larger second moment of area greatly reduces. Download free bridge design and analysis spreadsheets. This specification does not include contract frontend documents or specifications for construction. Total precast concrete building systems are a popular choice for many construction projects. We recommend that you register using the same email address you use to maintain your asce member account. Prestressed pole design prestressed concrete youtube.
Design prestressed concrete transmission pole structures. Design floors and foundations reliably and efficiently, saving time and money, and overcoming the most common concerns you face as a designer. This manual is not intended to replace the necessity of a profession engineered design. For this reason ccs is introducing this new course which will be a logical follow on from the standard two day prestressed concrete design. Construction software for prestressed concrete infograph. Unbonded post tensioning is a way to reinforce concrete with highstrength steel strands known as tendons. The earliest prestressed concrete poles were designed in 1933 by freyssinet, a french engineer. We specialize in analysis and design software for precastprestressed concrete in both the transportation and commercial markets. Comprehensive design example for prestressed concrete.
Design of precast prestressed composite beams excel sheet. Used with fdot standard index 634001, 641010 and 649010 formerly index 17727, 17725 and 17723 for the design and analysis of traffic signal supports consisting of dual cables connected to steel or concrete strain poles in accordance with the. Our software includes solutions for both the precast concrete commercial and transportation industries. Download a free trial of our precast concrete design and. Engineering, structural, concrete, prestressed, pcs.
The video introduces you to the basic concepts of the design of prestressed concrete poles using a simple design problem. Design of prestressed concrete transmission poles is formulated as an. This section covers the manufacture of precast concrete pole elements by centrifugally spun, cast or prestressed methods. Highest standards undertaking every aspect of the process. Eriksson software is an engineering software development firm located in tampa, florida. Some software programs today have become so sophisticated that the design engineer has no real feel for the processes carried out by the program and thus has to rely on the correctness of its output. Structures design office programs library files and links.
Civil engineering to provide a passage over an obstacle like a water body, a valley, canal or a road structure is built across that obstacle to span a space and allow the easy movement of the concerned bodies over those obstacles, such a structure is named as bridge. Software for posttensioned or prestressed structures. Design criteria especially load selection are discussed in detail to gether with the. Smaller section sizes since psc uses the whole concrete section, the second moment of area is bigger and so the section is stiffer. Comprehensive design example for prestressed concrete psc. Overstressed elements are also colored red in text and spreadsheet reports. Specification for the manufacture of concrete poles. By downloading a free trial, you can try out any of our design software for 30 days. Prestressed concrete design in rfem dlubal software.
Losch software, ltd is dedicated exclusively to providing engineering software to the precast prestressed concrete industry since 1994. Software canadian precast prestressed concrete institute. There are interaction diagram charts published many years ago for certain types of prestressed concrete piles. Polygon section member tubular steel pole design based on asce 4814. Precast concrete wall thermal performance calculator. How does a prestressed precast concrete bridge beam. Architectural and structural precast prestressed concrete components can be combined to create the entire building.
Structural design software engineering international. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and. Structural design software collection structural design. Prestressing post tensioned concrete software design. Example problems are solved, and solutions are compared with published results.
The superstructure design includes the following elements. Psbeam is the most advanced software for the design and analysis of prestressed concrete girders. E total air content of the concrete when placed in the forms f the proposed slump of the concrete at the time it is placed g design 28 day compressive strength 1. Structural engineering software, spreadsheets, for analysis and design, including.
The normal reinforced concrete pole failed at a few thousand repetitions, but the. Recommended practice for design and installation is a complete engineering reference on staticcast and spuncast prestressed concrete poles for electric distribution and transmission power lines. Design procedure for prestressed concrete beams fig. Prestressed concrete poles design and manufacturing methods. Rfem with two addon modules rftendon and rftendon design fulfils these requirements and allows engineers to carry out the complete design of prestressed beams, frames, plates, buildings and bridges. Pdf design procedure for prestressed concrete beams. The idea of prestressed concrete has been around since the latter decades of the 19th century, but its use was limited by the quality of the materials at the time. Economically design posttensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. Pdf design of prestressed concrete transmission poles. Prestressed concrete transmission pole structures knovel. Posttensioned, reinforced concrete slab design software ram. How does the software relate the pier or pile to the soils. Posttensioning and prestressed design and software. Sepile is a computer program for prestressed concrete pile design.
Eriksson software precastprestressed concrete design. Pre s t re s s e d or nonstressed pole segments can be posttensioned, or p re s t ressed pole segments can be spliced together. An unbonded tendon is one in which the prestressing steel is bonded to the concrete at the anchorages. Once the optimum design problem is formulated and implemented into a software. Guide for design of prestressed concrete poles ava guide specification for prestressed concrete poles ieee standard.
Precast prestressed concrete structural analysis software, member design and connection design beams, slabs, columns, walls. Our software is currently used by most of the larger precastprestressed concrete institute pci producer members. Design of prestressed concrete transmission poles is formulated as an optimization problem by identifying design variables, a cost function, and constraints. Bridge concrete design download bridge design spreadsheet. Design of stressed concrete transmission poles is formulated as an optimization problem by identifying design variables, a cost function, and constraints. Prestressed concrete is a form of concrete used in construction. Fo u r ways to splice pole segments are shown in the dra w i n g s. This design approach can take several forms, including precast columns and beams with panelized clad. Deck design follows the nmdot standard deck slab detail in chapter 4 of the nmdot bridge procedures and design guide, hereinafter referred to as design guide. Quickly calculate the thermal performance of precast concrete walls. It took until the 1920s and 30s for its materials development to progress to a level where prestressed concrete could be used with confidence.
The contractor shall carry out the design of concrete mixes, setting out quality control of the. Girder analysis and design is performed using the computer. Structural design software collection structural design spreadsheets. C618 specification for coal fly ash and raw or calcined natural pozzolan for use in concrete. In the past decades, prestressed concrete poles have become famous and have replaced the traditional poles made of timber, steel or reinforced concrete. Design of bridges excel sheets free download category. The program performs design checks of structures under user specified loads and. Plspole analysis and design of structures with wood, laminated wood, steel. It is substantially prestressed during production, in a manner that strengthens it against tensile forces which will exist when in service 35 this compression is produced by the tensioning of highstrength tendons located within or adjacent to the concrete and is done to improve the performance of the concrete in. C595c595m specification for blended hydraulic cements. Design and software expertise in posttensioning and prestressed concrete for over 30 years, adapt corporation has provided a full range of software products and engineering services for the modeling, analysis and design of prestressed pre or posttensioned concrete structures. The old pile design interaction diagrams have built in resistance factors which you can do nothing about. We let you input your own resistance factors based on latest design code requirements. This suggested purchase specification covers the technical aspects of design, materials, manufacturing, inspection, testing, and delivery of prestressed concrete poles and concrete pole structures.
Cpcis webenabled software provides designers, builders, and owners with a program to ensure compliance options for modern building energy codes, and suitable methods for quickly estimating, at an early design stage, the thermal. Prestressed concrete transmission pole structures recommended practice for design and installation asce manuals and reports on engineering practice. Design of precast prestressed composite beams excel sheet 9 january 2019 off by the engineering community the precast prestressed concrete units are erected first and can be used to support the formwork needed for the cast in. Spiral engineering is a small company, founded in 1995 and duly registered as an engineering business in the state of florida. The prestressed concrete module was developed for all applications of prestressing with subsequent bond or without bond, which means it is particularly well suited for calculating prestressed concrete bridges, containers and floor slabs. C494c494m specification for chemical admixtures for concrete. The only prestressed concrete pile design program available as far as we know, sepile is the only prestressed concrete pile design program available. With over 40 years experience, shay murtagh precast are industry leaders in the field of precast concrete solutions. Used with fdot standard plan index 400289 formerly index 289 to design concrete box culverts, wingwalls, headwalls, and cutoff walls in accordance with the aashto lrfd bridge design specification. Particular emphasis is given to centrifugally spun precast concrete poles.
597 1191 14 1084 1138 1162 880 797 1613 462 958 1582 567 896 1482 537 176 209 670 620 127 1376 1427 234 1281 347 37 318 547 1216 181 520 371 688 314 1469 188 389 1359