Latrine slab design software

The design of a simple latrine slab is a basic structural problem for an engineer. To support the weight of a person over a latrine pit the suspended slab has to act structurally in the manner of a bridge. Wvescm 0007520 world vision ethiopia wve is an international humanitarian christian organization whose objective is to provide holistic and integrated development and emergency response programs in the country. A million rohingya refugees, more than half of them children, are cramped up in 36 highly fragile locations across coxs bazar district in bangladesh. Reinforced concrete slab and beam design software adaptrc 2017 product overview an easytouse and learn software for the design, analysis, and investigation of reinforced nonprestressed concrete beams, beam frames, slabs and floor systems a must have production tool in every structural engineering office. Introduction to low cost sanitation construction manual iv glossary cement a powder made of limestone and clay that is mixed with water, sand and gravel to make concrete. Detailed calculation steps presented for verification. Design of slabs different designs of latrine slab have evolved to suit local preferences, conditions, uses and users.

Chapter programme design this chapter is designed to describe each element of programme design. Posttensioned concrete design spreadsheet program a pdh. Health impact and effectiveness of distribution models for. The solution must be able to be easily integrated with the existing selfsupporting latrine slab procured by unicef in emergencies.

Safis reinforced concrete slab design assistant becomes the ultimate tool for slab design in a simple and intuitive way. Link slab design the nysdot office of structures has developed an innovative link slab design utilizing ultra high performance concrete uhpc. Where seats are provided, the extra weight has to be allowed for when designing the slab. Welcome to slab designs your one stop for your remodel. Design floors and foundations reliably and efficiently, saving time and money, and overcoming the most common concerns you face as a designer. On this page, the words slab and platform will be used interchangeably. In this workshop, participants will learn how to design and construct latrines for lowincome communities not connected to a sewerage system. It is commonly made of concrete and covers the pit of the latrine. Statistics show that only 18% of the households in turkana county. Figure 5 conventional reinforced concrete slab design. Domed pit latrine slab kit design other 90% network.

This bdm method is an incentivecompatible design in which the best. The zambia sanitation and hygiene program zshp, featuring. Cawsts latrine design and construction resources teach project implementers how to design and construct latrines for lowincome communities. If a urinediverting user interface is used see urine diversion toilet slab, only faeces are. Shallow foundations geo5 contains programs for design of rectangular and circular spread footings, strip foundations, and foundation slabs of a general shape. The design of ventilated improved pit latrines english. Structurepoint, formerly the pca engineering software group, offers concrete design software programs updated to aci 31814 for concrete buildings, concrete structures and concrete tanks. Vip latrine by adding a concrete slab and a vent pipe as they can afford to do so.

Auto tendons for preliminary design perform a quick and accurate preliminary design check considering tendons. Input uniformly distributed loads independent of slab geometry. In addition, the steel sector has developed a number of free software packages and spreadsheet tools to aid designers, which are presented here. For their outstanding contributions to the sanitation program, lifewater. Further details of countryspecific deslgns currently for botswana, tanzania and zimbabwe are given in other technical notes in this series. Design all columns in a building with the click of a button.

Shallow foundations geotechnical software geo5 fine. All you need are hand tools, which will provide you with many years of useful life if they are properly maintained, handled and stored. Traditionally, unicef accomplishes this through the construction of temporary latrines consisting of a plastic sheeting superstructure and a plastic latrine slab. Hello, today i am introducing to you an excel spreadsheet program specially created to help design one way continuous reinforced concrete slabs. Assessing the demand for plastic latrine slabs in rural kenya. Concrete slab and foundation design software safe important message. Concrete design software frequently asked questions. Part of the gse concrete design, it allows the user to quickly and efficiently generate design strips for any concrete slab directly linked to the automated functionalities of the line of integration using finite elements, this application allows the user to operate in. It uses finite element analysis to analyse and design slabs of any shape with twoway action automatically considered.

Inducta engineering concrete buildings design software. Safe download link provides demo version of the software. The smooth surface makes these slabs resistant to vermin and easy to clean. The resources focus on designing latrines that are appropriate to specific environmental settings and desirable for people to use. Download scientific diagram schematic design of the common pit latrines built up with. In 20, the selling sanitation program estimated that the sanitation. Kickstart redesigned the production methods to allow for simple, highquality mass production of the slabs working with unskilled local laborers. Schematic design of the common pit latrines built up with concrete. The slab design for an offset pit latrine is the same whether or not the pit has a vent pipe. Household latrine utilization and its association with. Information on improved latrine options water and sanitation. Slabs is a program that can be used by structural engineers to perform a static analysis and design of reinforced concrete slab systems of any shape, including suspended slabs and slabsonground. Here is two way rcc slab designing excel sheet template for download.

You can perform reinforcement designs, long term deflections, beam designs, reactions, automatic two way action, effective moment of inertia, and. The world bank and ifcs selling sanitation project worked with large plastics manufacturing firms in nairobi to design, test, and support market development and distribution of a range of plastic latrine slabs. This design was presented to children and their mothers from camps in jadimura, where approximately 150 latrines were already constructed. It may be good to also build a wooden slab or unreinforced concrete sanplat as well to demonstrate lowcost alternatives. The program is divided into three separate screens, which correspond to the three major areas of concern in the design of a posttensioned member. The platform, drop hole and footrests all need to be considered carefully. World vision ethiopia would like to invite eligible and. To demonstrate a method of stimulating discussion between users and service providers about technical design issues. Calculation and the theory by which the software works are attached with this software s index, this thing is not seen. Construction of transfer plate it is the slab beam from which picked up columns may be started where there are no columns underneath. Latrine design and construction workshop resources susana.

Latrine design and construction stateside course description. Useful rcc slab design app with clean and intuitive user interface. Civil engineering design 1 analysis and design of slabs 20067 dr. Safe is the ultimate tool for structural engineers designing concrete floor slabs, and foundation systems. Pit latrine slabs and platforms can be designed to be made of concrete, wood, or bamboo and are built to accommodate latrine improvements.

Avoid long narrow elements can lead to roundoff errors in some software. The ideal toilet has a very deep dry pit, a concrete slab, walls of. We are committed to delivering uninterrupted software services worldwide during the covid19 crisis. Our design software will significantly assist a qualified engineer arrive at a solution which speeds the design process for floors and slabs. A software developed on a tablet as part of the ucce project captured key issues that. Flat slab analysis and design free version download for pc. International journal of pure and applied mathematics volume. This is one of the key components of the most common type of sanitary facility. In general, pit latrines with a slab are effective sanitation systems because they isolate human excreta from the surrounding environment and prevent the transmission of faecoorally transmitted diseases. For 1m slab width, moment, shear force, oneway continuous slab for continuous slab, moment and shear force can be obtained from table 3. Latrine design project this project comes at the end of the course and serves as a final test of partners knowledge and skills to design a latrine. The analysis and design follow the equivalent frame analysis method of the aci code, which considers a onebay wide strip of the floor system as a continuous frame. Concrete slab design software economically design posttensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. Domed pit latrine slab kit the kickstart domed pit latrine slab design is based on a concept of a latrine slab by bjorn brandberg at the national institute of physical planning in mozambique.

Latrine design and construction education and training. This is because the vent pipe in an offset pit extends through the pit cover and not through the slab see figures 7 and 8. Lightweight and durable uv stabilised polypropylene construction, resistant to chemicals, urine, faeces. Lack of sanitation is a huge development challenge in kenya, but also a potentially sizeable market opportunity. Information on improved latrine options 11 part 3 what do we mean by latrine.

Building local capacity to construct safe low cost latrines nuru international is a really nice site. Slb is a software product for the analysis and design of suspended reinforced concrete slabs and slab onground. They do not have smells when the wind blows over the vent pipe all the bad smeils are removed. Note mud slab area surrounds plastic, as slab is smaller than needed for full latrine floor coverage. The objective of this project is to provide the time necessary for partners to design a latrine taking into consideration the context of their own communities. Inducta software now includes the latest version of australian standards for design of concrete structures. Rapt is a two dimensional post tension beam slab design software. Typical waffle slab for parking structure,with columns on a 33. So building and using a latrine any type at all is the most important step to take. What is the best software to design a post tension slab. Grdslab is a spreadsheet program written in msexcel for the purpose of analysis of concrete slabs on grade. The content on this page has been adapted from tech notes entitled water for the world published by usaid. For example, the partner may decide to construct a vip latrine, with a lined pit and concrete slab. Its more user friendly compared to other pt design softwares.

Traditional unventilated pit latrines are a very common. Reinforced concrete structural software includes programs for column design pcacolumn, beam design pcabeam, slab design pcaslab, wall design pcawall, mat design pcamats, foundation design. Building local capacity to construct safe low cost latrines. The elements can be triangular, rectangular or quadrilateral. First designs to follow the brab report required foun. This booklet highlights the design, manufacture and maintenance features that help to improve the safety and comfort of users. A removable drop hole cover is provided to reduce odour and limit fly nuisance. Concrete a strong construction material made of cement, sand and gravel. Background poor latrine conditions, structure, and design may deter latrine use and provoke reversion to open defecation od. Size and shape clearly, a slab forming a platform over a vault will have to be larger than the void underneath. Excreta drops into the pit and wastewater is displaced into a storage chamber, a seepage pit or a sewer line. An offset pourflush doublepit latrine is to be constructed for a family of six who use water for anal cleaning. This spreadsheet is an extremely efficient tool and allows to quickly design two way slabs to aci code. It also describes how these can feed into a programme proposal although different agencies have different models for this.

Pdf latrine structure, design, and conditions, and the. Based on our analysis that considered the distribution of strain due to girder end rotation, it was. However, as the slab forms a critical part of a sanitary facility for most people living in lowincome countries, the design criteria also need to include issues relating to user preference, culture, gender, health, economics, maintenance and sustainability, as well. A pit latrine with a slab, a ventilated improved pit latrine and a pour flush pit latrine connected to a pit or septic tank are counted as being improved sanitation facilities as they are more likely to hygienically separate human excreta from human contact. Powered by a sophisticated fem solver increasing capacity and substantially speeding up solution for large and complex models, spmats v8. Current sanitation products including latrine slabs and superstructures used in emergencies do not include components for enabling access by elderly or persons living with disabilities including children. Powered by the dynamic frame analysis and design engine, spbeam v5.

Slab features a beautiful editor, blazing fast search, and dozens of integrations like g suite, slack, and github. Men and women, old and young,use infrastructure in. A pit latrine slab is the most economical and basic form to improve sanitation. Pit latrines with slab, vip latrines and ecological sanitation. Rcc slab design is a free app for designing one way and two way reinforced concrete slab systems as per indian standards. Single pit sswm find tools for sustainable sanitation and water. A one way slab is a slab in which its length divided by its breadth is greater than or equal to 2.

Reinforced concrete slab and beam design software adaptrc. Unicef is seeking solutions to improve access to latrines in emergency contexts. Oneway simply supported slab analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter. Download two way rcc slab designing excel sheet template for free. This latrine design takes into consideration the availability of required materials and the. The latrine design also includes provision of a locally fabricated tippytap hand washing station. Introduction to low cost sanitation 7 a b materials concrete stage a obtain tools and materials a good set of tools is needed to easily and properly excavate and line a pit, build a mold, and pour a slab. The kickstart domed pit latrine slab design is based on a concept of a latrine slab by bjorn brandberg at the national institute of physical planning in mozambique. Easy to use software becoming more widely available very accurate if used properly better than grillage.

Safe provides an immensely capable yet easytouse program for structural designers, provideing the only tool necessary for the modeling, analysis, design, and detailing of concrete slab systems and foundations. Jan 28, 2020 invitation to bid for supply of latrine slab mold. An overview of approaches, wsscc, 2010, fdiagram, p 2. Ventilated improved pit latrines general description 3. Rcc design and detailing could be performed for ten different boundary conditions option to save the design projects in local storage. The slab may incorporate a squatplate with footrests or a seat on a pedestal. Grdslab concrete slab on grade analysis spreadsheet. The slab is represented by a mesh of slab segments called elements joined to each other at nodes. The design of a simple reinforced concrete slab is a basic structural problem for an engineer, but when that slab forms a critical part of a latrine, the design criteria widen to include issues of economics, maintenance, sustainability, health, gender, culture, and user preference as well as construction factors. Corrode when something deteriorates due to being in contact with air, water or acid.

This spreadsheet program provides for the design and analysis of posttensioned concrete oneway beam and slab systems and twoway flat plate slab systems. Two way slab design to aci free download and software. Design of a two way reinforced concrete slab with rcsolver software program according to eurocode 2 specifications. The user of a latrine however, will have more local concerns such as the condition of the latrine slab. Therefore, current household demand for the plastic latrine slabs in rural kenya is. Apr 02, 2016 transfer slabs beams design tall building.

The latrine slab is normally selfsupporting and rests over a latrine hole of varying depths. These results are comparable to our previous measurements of wtp for latrine slab products in tanzania. However, a slab with length breadth ratio of not less than 1. This collection contains the resources for both trainers and participants for the latrine design and construction workshop. He developed a project economic design of two way rcc slabs and this slab designing excel is a part of his project. Bearing in mind the inaccuracy of the basic design data, however, it is not necessary to carry out a more accurate calculation. The latrines design was a direct drop faeces going directly into the pit with standard precast slab floor with a pan. Latrine slabs are a potential simple option for upgrading pit latrines. The design of ventilated improved pit latrines english abstract. Assessing the demand for plastic latrine slabs in rural kenya ncbi. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318.

This fiveday workshop is designed for latrine project implementers and masons. A wide range of commercial software is available to aid designers with the efficient and economic design of steel framed buildings and bridges. In this video lecture you are able to learn about analysis and designing of rcc slab by using staad pro v8i software. The rcc slab designing tool is developed by shankar toyal, student of indian institute of technology, bhubaneswar. Latrine design process becomes childs play save the children wash share this. Latrine design and construction lifewater international. Schematic design of a well constructed pit latrine. Depending on the design of the slab, the materials may have to be able to resist forces in tension as well as in compression fig. An internal knowledge base and wiki for distributed teams. The aqua privy is a single pit latrine which has a watertight pit filled with water. Based on field experiences, there are four limitations to the traditional unicef latrine. In 2016 unicef published a target product profile tpp to guide product developers on design and performance requirements for new solutions. Powered by the equivalent frame method of analysis and design per latest american aci 31814 and canadian csa a23. Posttensioned, reinforced concrete slab design software ram.

Pdf slabs are the flooring systems of most structures including office, commercial and residential buildings, bridges, sports stadiums and. Stata statistical software was used to analyze the data. Part ii detailed design, construction, operation and. Latrine slab, open access masters report, michigan technological university, 2017.