Whether the recon application focuses on the scale and aesthetics of the recon block, the durability of the wet. Whereas, if bracing is in front of the wall and is in compression instead of tension, the wall is called buttress retaining wall. Cantilever concrete retaining walls are commonly used for residential purposes, often as integral basement walls. Retaining wall calculator excel sheet retaining wall calculator, excel sheet, cost calculator, download civil engineering sheets combined footing design excel spreadsheet. A gravity retaining wall is a retaining wall that can be built in a tight area where there isnt a lot of room to excavate. Earthquake load the force exerted on the structure by earthquake action, acting on either or both the face of the retaining wall and any other structure supported by the retaining wall. Abwall here is example 1 as designed using keywall 2001. Supports and external loads can be added on the model graphically or using the userfriendly model wizard.
A retaining wall software is a program intended to design a retaining wall based on building code and industry standards. The load that presents the greatest problem and its primary concern is the lateral earth pressure induced by the retained soil. If you are not sure of your site conditions we recommend being conservative with your retaining wall heights or use geogrid in your retaining wall. Retaining wall design, free retaining wall design software downloads, page 2. In this example, the structural design of the three retaining wall components is performed by hand. Active earth pressure tends to variation of earth pressure deflect the wall away from the 5. Active earth pressure or earth pressure pa and passive earth pressure p p. Ab engineering manual retaining walls allan block wall. Worked example 2 design of concrete cantilever retaining.
Gravity retaining wall design, gravity walls magnumstone. The type of retaining wall retaining walls can be broadly divided into four main categories namely, gravity walls, cantilever walls, anchored walls, and reinforced soil or nailed walls. The wall may retain soil or other granular material. Eurocode 7 workshop retaining wall examples 57 mafiadoc. File sharing on the engtips forums is outsourced to. Design and detailing of retaining walls learning outcomes. Usually the cantilever wall stem is of concrete block. Retainwall is a software mainly developed for the purpose of designing a concrete or masonry retaining wall. Please note that the gravity wall chart provided has specific heights for specific site and soil conditions. If you design retaining walls, you know its tedious and timeconsuming. Latest news, games, resources, videos and job postings for engineers.
At recon, we are proud of our tradition of offering a big block retaining wall product line that adds value for our customers, and for our retaining wall design and retaining wall contractor partners. Worked example to accompany mbie guidance on the seismic design of retaining structures for residential sites in greater christchurch version 2 november 2014. Gravity walls are built with massive blocks that use a tongueandgroove system to lock together. In this post i will be sharing with you a pdf document containing the complete design example of a cantilever retaining wall. Cantilever or restrained retaining wall calculations o r g a n iz a io n f.
P a active earth pressure or earth pressure pa and passive earth pressure pp. The ab stones provide a nominal setback of twelve degrees from vertical. We require this information in order to email you a working demo. Ce 437537, spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions. Earth pressure p 8 earth pressure is the pressure exerted by the retaining material on the retaining wall.
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. Retaining wall structural engineering design software for. Lateral forces on retaining wallsence 454 assakkaf design of retaining walls the design of retaining wall must account for all applied loads. Worked examples of retaining wall design to bs8002 the following worked examples have been prepared to illustrate the application of bs8002 to retaining wall design. We believe that a twelve degree setback maximizes the leverage achieved by a battered wall, while providing a finished retaining wall that fulfills the goal of more useable flat land.
The compaction plant can be represented approximately by a surcharge load equal to the weight of the roller. Deflection generally governs design for cantilever walls more than 18 feet high. D ata sheet concrete retaining walls concrete retaining walls provide a durable solution that is required of a structure in contact. Soilstructure software t eam is comprised of licensed engineers and graduate computer programmer. Assuming that the allowable bearing pressure of the soil is 120 knm 2, the. However, what should one look for in a retaining wall design software. Cantilever rc retaining wall 10 knm2 m 500 mm h 400 0. To further understand the designed approach, here is a worked example of the design of the retaining wall. This example is intended to be readily calculated by hand although a lot of structural spreadsheets and software such as prokon are available. Compaction of backfill behind a retaining wall is normally affected by the compactors. Soilstructure software increases the engineers bottom line by eliminating hours of tedious calculations. Types of retaining wall cantilever retaining wall it consists of a vertical wall called stem, heel slab and toe slab.
Suggest suitable dimensions for the rc retaining wall example 1. You can access the deepex retaining wall design exaples below. Design of slopped gravity retaining wall in excel design of vertical gravity retaining wall sloped type. Ce 537, spring 2011 retaining wall design example 6 8 2. Retaining wall design software free download retaining. Our experience is in substructual engineering, geotechnic al engineering and higher level computer languages. How to choose the right retaining wall for your project. A secant pile wall example will be analyzed with deepex. We believe that a twelve degree setback maximizes the leverage achieved by a battered wall, while providing a finished retaining wall that fulfills the. Retaining walls page 10 lateral soil pressure on retaining walls typical angle of internal friction for backfill soil soil type.
A brief version of the results of the analysis is shown the following page. Calculations had been submitted in advance for these designs by 15 contributors and an initial comparison was presented at the workshop. The following parameters influence the design of the retaining wall. The safety factor against sliding minimum required f. The following worked examples have been prepared to illustrate the application of bs8002 to retaining wall design. Design of gravity retaining walls in excel sloped and. There are two main reasons quickwall has been the industry standard for two decades. Pro is one of the most widelyused software for developing and analyzing the designs of various structures, such as petrochemical plants, tunnels, bridges etc. In such a case counterforts having trapezoidal section fixed at the base slab are provided at intervals of 1. Types of retaining wall gravity wall made of plain concrete or brick masonry the stability of the wall is maintained by its own weight made up to a height of 3 m. Q1b calculate the soil pressure under the footing of the retaining wall of q1a. Design of retaining walls the design of retaining wall must account for all applied loads.
Sand, friction angle 30 degrees, total unit weight 120 pcf, loading modulus of elasticity eload 300 ksf, reloading modulus of elasticity eur 900 ksf. Basics of retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Education software downloads soilstructure retaining wall by soilstructure software and many more programs are available for instant and free download. Each type of retaining wall has its own particular characteristics, which make it. Gravity walls are built with massive blocks that use a. Retaining wall software, retaining wall design software.
Retaining wall structural engineering design software. Retaining walls in theory and practice, a textbook for. Cantilever retaining wall ouestion for the retaining wall and the profile shown below, calculate. Design of retaining wall with counterfort engineering. Retaining wall design design examples and construction. The comprehensive earth pressure theories evolving from the original coulomb and. The design of all retaining walls needs to consider, the soil profile, soil type, clay, gravel or sand, the final height of the wall and any loadings from driveways and nearby buildings, that will increase the design forces that the wall has to withstand. The basic design precepts employed in cantilever walls include considerations of dead man tiebacks, taking active pressures to the bottom of the wall and considering any reductions in passive resistance for inclined slopes. However, retaining walls can also be constructed for aesthetic landscaping purposes. A total of ten designs were considered, of which three were retaining walls. Because our engineers are also consultants, soilstructure software is in sync with current state of practice. Gravity walls rely on their own weight and setback to hold up the soil behind them. They are not full detailed calculations such as might be prepared for a real wall design but are limited to the calculation of earth pressure and bearing capacity, showing how the.
Downloads retaining wall design software cti software. It analyses the stability of the wall based on the loads and resistances, and results in. This gl pressure tends to deflect the wall outward. Degree gravel and coarse sandy backfill soil 3336 medium to fine sandy backfill soil 2932 silty sand 2730 p max k a. It is not advisable to include the actual strength of the retaining wall. Digital canals retaining wall design software, quickwall, is a deceptively simple program that can design or check just about any retaining or basement wall in minutes. In minutes you can design or analyze nearly any configuration or loading condition for cantilevered, restrained, gravity, gabion, soldier pile, or segmental retaining walls. Pro v8i, the latest version, allows civil engineering individuals to analyze structural designs in terms of factors like force. Design of gravity retaining walls in excel sloped and stepped. There are obviously many solutions out in the market, first though you need to. Design and analysis of retaining walls 2 economical when the wall height exceeds 8m. Ce 537, spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions.
Worked examples of retaining wall design to bs8002. There are obviously many solutions out in the market, first though you need to determine what your design needs are. The design of retaining wall must account for all applied loads. Calculations had been submitted in advance for these designs by 15 contributors. Determine the resultant vertical force, w total intersects the bottom of the footing. Retaining wall design of reinforced concrete structure. Retaining wall design software free download retaining wall.
Deepex can design retaining walls with many different wall and support types. Design and construction manual recon wall systems, inc. The purpose of this article is for the reader to fully understand the principle behind it. Retaining counterfort wall design free download as pdf file.
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