Techwall counterfort precast retaining walls are a good fit for sites presenting a soil bearing capacity that allows for a shallow foundation. Design of retaining wall with counterfort engineering. Retaining wall with counterfort chek of stability spreadsheet. The counterfort wall system is designed in accordance with american railway engineering and maintenanceofway association arema, american association of state highway and transportation officials aashto and state department of transportation dot codes, based on load resistance factor designs with service level checks where required by code.
Sep 20, 2016 counterfort retaining wall, are similar to the cantilever retaining wall only that this type has counterforts built behind to hold the wall stem and base together and is used where the cantilever is long or for very high pressure behind the wall this counterforts behinds the wall are subjected to tensile forces. Jul 26, 2019 design counterfort retaining walls using asdip retain. Dec 07, 2019 design of counterfort retaining wall for earthquake condition spreadsheet download link more from my sitefixed moment condition design toggle navigation about us. It is time consuming to do all the stability and reinforcement design using in house tools. Here is the counterfort retaining wall design example using the asdip retain. Active earth pressure tends to variation of earth pressure deflect the wall away from the 5. Peripheral retaining wall at basement level for bus parking area at 4. How to design counterfort retaining walls using asdip. The design involves the determination of following parameters. The facing units are each cast with a counterforts on the rear side. Water front retaining walls for river training works.
Pile retaining wall analysis, design, drawing and quantity software. A retaining wall software is a program intended to design a retaining wall based on building code and industry standards. It includes the design of counterfort retaining walls based on the latest aci provisions. Reliability analysis of counterfort retaining walls. Design of counterfort cip walls is not covered in this chapter. However, retaining walls can also be constructed for aesthetic landscaping purposes. The counterfort retaining wall adopted in the present study is based on such guidelines which will ensure the required deterministic factor of safety. Walls and gabions geo5 contains multiple programs for design of retaining walls and supporting structures mainly due to conserving simplicity and clarity of input. Gravity wall assures its stability by its own weight. For diphu river counterfort retaining wall of 6 m height. The proposed prefabricated concrete counterfort retaining wall design was developed according to the 2012 aashto lrfd bridge design specifications and compared with an existing castinplace counterfort system in chicago, ill. Earth work in excavation over areas exceeding 30 cm in depth, 1. The counterfort wall system is designed in accordance with american railway engineering and maintenance of way association arema, american association of state highway and transportation officials aashto and state department of transportation dot codes, based on load resistance factor designs with service level checks where required by code. Mar 04, 2019 sketches of the retaining wall forces should be considered to properly distinguish the different forces acting on our retaining wall as tackled in the previous article, retaining wall.
If you design retaining walls, you know its tedious and timeconsuming. In minutes you can design or analyze nearly any configuration or loading condition for cantilevered, restrained, gravity, gabion, soldier pile, or segmental retaining walls. Design of counterfort retaining wall for earthquake. Retaining wall construction retaining wall excel spreadsheet. Retaining wall design software free download retaining wall. Cantilever concrete retaining walls are commonly used for residential purposes, often as integral basement walls. Tentative dimensions of common types of retaining walls. Counterfort retaining wall spreadsheet concrete design. It offers a number of retaining wall shapes and analyzes rc crosssections. It is a power point presentation on counterfort retaining wall. For level top surface, the base width of wall is determined in the same way as the cantilever type retaining wall. The design of a counterfort retaining wall is similar in many respects to that of a cantilever retaining wall as far as computing overturning and sliding stability, bearing capacity, and soil. Worked example to accompany mbie guidance on the seismic design of retaining structures for residential sites in greater christchurch version 2 november 2014.
There are obviously many solutions out in the market, first though you need to determine what your design needs are. Retainpro offers extensive design capability for all of the most common wall types. Developed by the makers of geo5, the easytouse free software ensures all the details of your project are accounted for while the robust input options allow for extremely precise geotechnical modeling. A retaining wall refers to a structure that is designed and built up to defend the lateral pressure of soil, when any alteration occurs in ground. Each program enables analysis of the structure according to geotechnical aspects, but also verification of wall material. Education software downloads soilstructure retaining wall by soilstructure software and many more programs are available for instant and free download. Design of a counterfort retaining wall researchgate. Whereas, if bracing is in front of the wall and is in compression instead of tension, the wall is called buttress retaining wall. Following is a graphical overview of the required design steps, with annotated screenshots of the software.
Chapter 14 retaining walls wisconsin department of transportation. Cantilever wall are generally made with reinforced concrete and function on the standards of leverage. Dec 05, 2018 it includes the design of counterfort retaining walls based on the ibc aci 318 provisions. Guidelines for design of counterfort retaining walls pillai and menon, 2009 are available at optimal proportions of typical counterfort retaining walls. Design principles of totally prefabricated counterfort. Because soil is having slope on opposite side, away from wall and hence if a failure plan would occur, it will cause soil to slide away from wall, not towards wall. Asdip retain is a structural engineering software for design of retaining walls. Basics of retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Classification of retaining walls gravity wall masonry or plain concrete cantilever retaining wall rcc inverted t and l counterfort retaining wall rcc buttress wall rcc this excel sheet introduce design of counterfort retaining wall according. Techwall is a precast counterfort retaining wall system consisting of fullheight wall facing units secured to a castinplace footing. Aci 318 08 design of retaining wall with counterfort excelcalcs. Introduction a retaining wall is a structure designed to sustain the earth behind it. Design principles of totally prefabricated counterfort retaining wall.
A counterfort retaining wall with dry cohesionless backfill c 0 retaining wall with. Counterfort type retaining walls are more economical, when height of wall is equal to 6 m. Jan 31, 2018 but if a retaining wall is retaining backfill having sloppy face for insulation purposes lets say, then it should not experience the pressure due to full height in my opinion. The objective function used for cost optimization of counterfort retaining wall can be expressed as follows. In such a case counterforts having trapezoidal section fixed at the base slab are provided at intervals of 1. Cantilever wall is an intuitive program for cantilever retaining walls design. Asdip retain is based upon the latest ibc aci 318 specifications.
Cantilever and restrained retaining wall design software. Aci 318 08 design of retaining wall with counterfort. The geotechnical failure modes, which need to be considered in the design of a counterfort retaining wall are i horizontal sliding along the base of the wall, ii the rotation about the toe of the wall overturning, and iii bearing capac. Redirock wall freeware is a robust software tool for geotechnical engineers to design and analyze cross sections of redirock gravity walls. Analysis and design of a retaining wall download project.
Design of counterfort retaining wall for earthquake condition. Download the excel based calculation sheets for creating the perfect design of any retaining walls as well as verifying the suitability of this retaining wall against overturning and sliding forces. This gl pressure tends to deflect the wall outward. Name 120106039 kaizer dave 120106045 kishan vyas 120106061 binoy patel internal guide. Greta analyses the stability of a gravity retaining wall and determines the bending moments and shear forces within the wall.
P a active earth pressure or earth pressure pa and passive earth pressure pp. Retaining wall software, retaining wall design software. Design steps and procedure of counterfort retaining wall is explained in this video. You are invited to download the free 15day software trial, or go ahead and. On the other way, counterfort retaining wall is perfect if the height surpasses 5. Pdf analysis of counterfort retaining wall with and without. Most people looking for retaining wall software downloaded. Retaining wall design of reinforced concrete structure.
Based on the forces acting on the retaining walls, they are check for overturning, sliding and bearing. Existing castinplace counterfort retaining wall the existing structure chosen for this study is a castinplace concrete counterfort retaining wall in chicago, ill. Pdf counterfort retaining walls under earthquake force. Worked example 2 design of concrete cantilever retaining. For engineering background, see our blog post cantilever retaining walls. Design of gabion wall spreadsheet the engineering community. These must be sufficiently large to provide the necessary permanent load for stability requirements, possibly with the aid of the weight of backfill on an enlarged base. Counterfort wall concrete design eurocode standards. Department of civil engineering design of reinforced concrete structure 2170607 counterfort retaining wall gandhinagar institute of technology. It retains a steep faced slope of an earth mass against rupture of slopes in cuts and fills and against sliding down. A piling solution can also be integrated in the design, when required. Cip cantilever walls shall be designed in accordance with aashto lrfd, design concepts.
Cantilever retaining wall design counterfort retaining wall. Optimum design of reinforced concrete counterfort retaining. Retaining counterfort wall design free download as pdf file. Mar, 2020 the basis of design of counterfort walls is that the earth pressures act on a thin wall which spans horizontally between the massive counterforts figure 10.
Asdip retain is a structural engineering software utilized by engineers for design of retaining walls. Optimization of reinforced concrete retaining walls of. Jun 21, 2018 counterfort retaining wall design example using asdip retain duration. Design and analysis of retaining walls 2 economical when the wall height exceeds 8m. It includes the design of counterfort retaining walls based on the ibc aci 318 provisions.
Asdip retain 4 release retaining wall design software. Design and detailing of counterfort retaining wall when the height of the retaining wall exceeds about 6 m, the thickness of the stem and heel slab works out to be sufficiently large and the design becomes uneconomical. Generally, an ebook can be downloaded in five minutes or less. Counterfort retaining wall, are similar to the cantilever retaining wall only that this type has counterforts built behind to hold the wall stem and base together and is used where the cantilever is long or for very high pressure behind the wall this counterforts behinds the wall are subjected to tensile forces. Retaining wall design software free download retaining. Internet in general, vertical and horizontal forces are acting on the retaining wall based on the ground conditions. Stepbystep design of a counterfort retaining wall, showing the different options. As an example, consider the retaining wall shown below, which supports a flat backfill load. The cantilever retaining wall is applicable if the height is less than or equal to 5. Dec 04, 2018 asdip retain is a structural engineering software utilized by engineers for design of retaining walls. Apr 17, 2019 concrete retaining wall design spreadsheet download link more from my siteconcrete retaining wall design spreadsheetdesign of counterfort toggle navigation about us. How to design counterfort retaining walls using asdip retain.
Counterfort retaining wall analysis, design, drawing and quantity software. Since, the major portion of the counterfort will be in contact with water, the same has been designed based on the principles of uncracked design as per working stress method considering the total horizontal load on a. However, what should one look for in a retaining wall design software. Retainpro turns this specialized design task into a 5 minute optimization session.
This document is a stepbystep design example of a typical counterfort retaining wall using asdip retain. Design counterfort retaining walls using asdip retain civil. Design counterfort retaining walls using asdip retain. The cantilever retaining wall design involves two major steps. Counterfort retaining wall design example using asdip. Design of retaining wall with counterfort according to aci. The proposed prefabricated concrete counterfort retaining wall design was developed according to the 2012 aashto lrfd bridge design specifica tions and. Techwall precast counterfort retaining wall system. Usually the cantilever wall stem is of concrete block. Downloads retaining wall design software cti software.