Factors Considered In Identifying THE DECISION Of Formwork Engineering Essay

Based on the title of my research, this dissertation is to research on what exactly are the factors that has been considered in determining the decision of formwork. Throughout the research you will notice numerous kinds of formwork details and also the factors, the system or the techniques that are being used in our Construction Industry nowadays.

The purpose of determining the decision of formwork mainly is to lessen the price of construction. The expense of formwork is occupying a large percentage in the total construction cost, once we do not allow to reduce the price by changing other building components necessity due to these were all given in the Deal Documents, therefore choose and plan the machine of formwork prudently will help reduce the expense of construction. Furthermore, choosing an effective system of formwork will also reduce the time of structure and the wastage thus reduces the total development cost. Therefore, choosing the system of formwork correctly is an excellent practice for each structure work.


To find out what is to be considered while choosing the formwork in development.

To provide a guideline to programmer or builder who are having hard amount of time in selecting which formwork to use.


To review the idea and information on each type of formwork.

To examine the suitability of each formwork.

To explore the options of system formworks available.

To find out the technique to look for the selection of formwork.


Good planning of choosing formwork can reduce time and cost of the development.



A comprehensive overview of the relevant literature will be carried out in order to build up a knowledge of the concept of different types of formwork. The books review will be accompanied by a pilot study. An interview questionnaire will be provided during a organized interview with the experienced to be sure how appropriate is the primary study questionnaire. Tape taking is advice as we might leave out something if we were to track record on paper. But tape taking must be of respondent's permission. Interview to the experienced will be the main resources of data because posting through experience is more well worth than a thousand words of theoretical studies from the literature.


The results from the pilot analysis will finalize the questionnaire to be delivered to relative companies. Offering questionnaire is an method of determine the current development of formwork system that is practiced in our local development industry. Two strategies of questionnaire will be passed out namely quantitative way and qualitative procedure.


This level will assess the opinions of the primary study questionnaire. The information and data accumulated will be refined by analyzing almost all and minority in relation to the goals. Descriptive statistic will be employed and the effect from the results will be provided in the form of graphs, histogram and pie graph for easier understanding.


This stage will involve writing up the content of the dissertation and should cover the chapters suggested in the following section.


Chapter 1 - Introduction

Chapter 2 - Overview of the many types of formwork

Chapter 3 - Selections of formwork

Chapter 4 - Research design and methodology

Chapter 5 - Research of the result

Chapter 6 - Conclusions

Chapter 7 - References


Formwork system presently accounts for about 7% of the world formwork market and the physique will still be growing little by little. Selecting good and suitable formwork system enables speedy conclusion, cost cutting down and neat concrete structure. The issue is that don't assume all formwork is suitable for each types of building. The timeline and cost of the structure can vary depending on which kind of formwork can be used. For example an average floor in a highrise building may take up to 8 times or more to complete if you use classic timber formwork, whereas it would only take three to five 5 days and nights if system formwork can be used. Apart from the time factor, some formwork systems are theoretically better than others in terms of better quality as well as providing a better safety features during development.

Selection of formwork is indeed a very important part in constructing a building. Through the entire research you will see the ways to find out and select the right formwork predicated on several factors like the option of the neighborhood resources, type of building design, size of building and a cost evaluation of different formwork.





Reinforced cement is concrete in which reinforcement bars, encouragement grids, plates or fibres have been included to strengthen the concrete in stress. A quality strengthened concrete composition offers many advantages over structures made out of other building materials. For a strong, ductile and durable structure the support will have high strength, high tensile stress, good relationship to the cement, thermal compatibility and strength in the concrete environment. Cement is a durable material that reduces building maintenance costs and an extended service life. A concrete composition will certainly reduce energy usage because of its mass and high level of resistance to thermal interchange. The use of cement will lower insurance charges by virtue of its high level of resistance to fire. Structures made of cement are also better against robbery and vandalism. Cement floors and surfaces reduce the copy of sound, yielding a quieter environment and more pleased occupants. Reinforced concrete possesses considerable durability for resisting seismic and wind tons. These factors as well as others make selecting reinforced concrete a cost-effective alternative.

2. 1. 2 Cement FORMWORK

The construction of your concrete building requires formwork to aid the slabs (horizontal formwork) as well as columns and wall space (vertical formwork). Formwork is defined as a temporary framework whose goal is to provide support and containment for fresh cement until it can support itself. It molds the concrete to the required shape and size, and control buttons its position and alignment. In the building industry, there are mainly three types of formwork being the traditional timber formwork, designed formwork system and re-usable plastic formwork. These formworks are the key the different parts of the engineering industry, which itself stand an important section of the overall structure market. Traditional timber formwork comprises bespoke products manufactured in-situ from basic timber, sheet and section materials. Once used, the materials may be re-worked a restricted number of that time period before being removed. Whereas Engineered formwork system runs on the wide selection of standard proprietary modules that can be used alongside one another to give a solution. After use, the components are disassembled and can be re-used many times in different configurations.


Formwork system is thought as the total system of support for newly placed concrete like the mildew or sheathing which associates the cement as well as supporting associates, hardware, and necessary bracing. It was once built-in place, used once, and eventually wrecked. The style today, however, is toward increasing prefabrication, assemblage in large products, erected, and continuing reuse of forms. Formwork system presently accounts for around 7% of the world formwork market and the number it's still growing slowly and gradually. Selecting good and suitable formwork system allows speedy completion, cost saving and neat concrete framework.


The requirements of making formwork basically will be the strength, Tension, Resilience, good positioning, surface surface finish and current economic climate.

2. 2. 1 STRENGTH

The power of the formwork must be sufficiently strong enough to transport the strain of individual and machines that may stress onto or together with it. In addition, it must be strong enough to avoid the formwork from being out of forms. A formwork which is out of shape will significantly influence the look of the building.

2. 2. 2 TENSION

Formwork must be of sufficient pressure and tightness to avoid possible leaks such as lack of drinking water of the moist concrete poured involved with it. Loss of normal water may lead to weakening the cement and moreover triggers the top of concrete to be imperfect.


Formwork must be of materials that are durable enough by reason than it should be used again and again to save enough time and the expense of the construction.


The positioning of formwork must be easy and specific with the purpose that the completing surface will be correctly smooth to avoid out of form.


The materials of the formwork may have an effect on the surface finishes of the cement. Different materials found in formwork will have different surfaces for instance difficult or smooth surface that will determine the top surface finishes of the cement.

2. 2. 6 ECONOMY

Economy is a significant matter since it occupies a large percentage of the full total development cost. Good planning in fabrication and erection methods, intelligently select materials that are use for the formwork, and greatly reuse the formwork as much as possible will greatly reduce enough time and cost of building. Maximum current economic climate without sacrificing the product quality and safe practices of the development is a good.

2. 3 Typical FORMWORK


Conventional Formwork is the traditional type of formwork construction that requires a great deal of skilled and unskilled staff to build. Aside from requiring a great deal of workers to make, frustrating is also a significant dilemma for greater structures as corresponding to today's competitive market, swiftness and efficiency is of key importance. In fact, conventional type of formwork are much more flexible in terms that even when system formwork is used, certain critical parts it's still using conventional formworks. Components of conventional formwork usually are the timbers, metals and clear plastic. A couple of mainly two types of classic formwork which is the non permanent formwork and permanent formwork.

2. 3. 2 Short lived FORMWORK

Generally, formworks that we use are usually briefly built to create the mould for concrete concerning allow it to be reusable in order to save cost of the structure.

Usually short-term formworks are constructed of timber or plywood. Among the features of using lumber as materials is by the reason why that woods are much easier to be erected make it more versatile whenever we have to reuse it again and again. Other than following a traditional way by using woods as materials, various other reusable materials can be used such as reusable vinyl formwork. According to the sources from the net, these interlocking and modular systems are being used to build generally variable, but relatively simple, concrete set ups. The sections are lightweight and incredibly robust. They are specially suited for low-cost, mass enclosure schemes.


Although the formworks nowadays are mainly temporary formwork, sometimes a few of the formwork will never be removed and will stay permanently. Refer to Formwork: a functional approach written by Peter S. McAdam and Geoffrey Lee, not absolutely all formwork is removed when the concrete no more requires support. There may be advantages in going out of it in place, even if these are only in the elimination of stripping costs. This formwork is normally known as PERMANENT formwork but sometimes as LOST or SACRIFICIAL formwork.

There are a numbers of materials you can use as everlasting formwork such as the timber, steel, concrete, cardboard and plastic. Different development has different requirements of the materials used for long term formwork. In essence, these materials requirements are based on the strength, durability and the appearance that require for each and every particular case. The book Formwork: a functional approach also explained that we now have lots of general parameters can be given for the materials for long term forms

They must be strong enough to carry the stresses that the smooth concrete can exert.

At a minimum, this strength must endure before concrete is self-supporting. For soffit forms this must be at least six or seven days and may sometimes need to be more. With Vertical formfaces ten to twelve time may be sufficient.

Any break down of the form materials, including corrosion, should not be incompatible with the structural action or sturdiness of permanent strengthened concrete structure. In some instances the breakdown is essential, for example, with the void formers used to make a distance between suspended slabs and expansive soils, this break down of strength is vital.

The obvious advantages is the fact that as the formwork is usually to be leave set up, no formwork is usually to be reused and therefore the works of labour will be reduced and are also the cost of the labour. Permanent Formwork can also save times by minimizing the needs of fake work, reducing the erection times thus precede to another operations before.


A formwork needs to be form to meet certain requirements to support the stresses from either the inactive load or the live load. Fail in building formwork will lead to an awful catastrophe to the engineering and also to the people working on it.

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