Engineering considerations for liftslab construction books. Author links open overlay panel manjesh srivastava vikas kumar. It is used mostly in southern parts of india as a simple and innovative technique for roof construction. Here is a detailed article with all the information regarding procedure of rcc slab roof laying. The reason why, concrete and steel are used together to construct rcc slab, is in their individual properties as separate building materials and their individual limitation.
L center to center distance between the support b depth of slab. The slab filled with lighter filler materials is known as the filler slab. Columns and deck not designed to resist longitudinal bending very flexible. It is applicable to the construction of normalweight and structural lightweight concrete floors and slabs made with conventional portland and blended cements. Carbon dioxide, produced from burning of fossil fuels, is the principle greenhouse gas and efforts are being. A rc filler slab with nonautoclaved cellular concrete.
It covers everything you need to know about concrete along with styrofoam forming systems, fiber reinforcing adjuncts, and some architectural innovations, like architectural foam elements, that can help you offer more in the jobs you bid on. Eliminating drops results in simpler falsework and formwork arrangements, enabling rapid floor construction and giving maximum flexibility to the occupier. For spans over 9 m posttensioning should be considered. In this article, ill give a detailed explanation of each slab where to. As it is known that steel is good in tension and concrete in compression therefore it is difficult to remove. Filler slabs filler slabs, consume less concrete and steel as compared to conventional rcc reinforced cement concrete slabs, due to the use of lessheavy, lowcost filler material such as rejected calicut tiles, clay pots and broken pieces of cement blocks. Building arches, jaalis, frameless doors and windows does not constitute a new discovery. Code of practice for construction of floor and roof with joists and filler blocks, part iv. Filler slab as a continuous tbeam slab low cost as well as increased strength ayush srivastava1. The flat slab is easier to construct and requires less formwork. Guide to the design and construction of reinforced concrete flat slabs contents membersof the projectsteeringgroup list of tables vii iv list of figures v 1. The unisdr secretariat is supporting the development and distribution of tools like this handbook, as a part of its mandate for coordinating the. Enhances thermal comfort inside the building due to. Sandwich slabs may have the disadvantage of a larger weight compared to the ribbed ones but on the other hand, they have the advantage that their spans and supports behave in the same proper way.
Slabs are constructed to provide flat surfaces, usually horizontal, in building floors, roofs, bridges, and other types of structures. Tool with water and a foam brush, trowel, or finger to ensure adequate adhesion. Cip 6 joints in concrete slabs on grade what are joints. These filler boards are installed with a tape for bondbreaking, sealant to cover the whole system, a water stop to prevent moisture entourage, and binding concrete for economy. Use of costeffective construction technologies in india to. This comprehensive concrete pdf ebook has both the triedandtested methods and materials, and more recent innovations.
Sponsored by the task committee on liftslab construction of the technical council on forensic engineering of asce. Some of them are outdated and many of them are frequently used everywhere. Thus the filler slab as the roof has the following advantages. Heavy arch ribs designed to resist axial force and bending.
Irregular cracks are unsightly and difficult to maintain but generally do not affect the integrity of concrete. Use of costeffective construction technologies in india to mitigate climate change nilanjan sengupta concentration of greenhouse gases play major role in raising the earths temperature. Filler slab roofs leisure read books, audiobooks, and more. Concrete expands and shrinks with changes in moisture and temperature. All nails shown in the details above are assumed to be common nails unless otherwise noted. The following points to be kept in mind for filler material selection. A rc filler slab with nonautoclaved cellular concrete blocks. Concrete is very good in withstanding compressive forces and steel bears the load due to tensile forces. Filler slabs are one cost effective roofing system which is based on the concrete portions and instead placing filler material there. This handbook on good building design and construction in the philippines does exactly that, capturing the potential of increased resilience through good construction. Singh central building research institute, roorkee, india abstract flyash is a major industrial waste which pollutes the atmosphere.
Consumes less concrete and steel due to reduced weight of slab by the introduction of a less heavy, low cost filler material like two layers of burnt clay tiles. The aesthetic and acoustic properties of using various materials as. The aesthetic and acoustic properties of using various materials as fillers must be utilized. Filler slab technology is a simple and a very innovative technology for a slab construction. Design of the composite flooring slab with profiled sheets t153 ruukki for a residential building, 35 pages, 1 appendix saimaa university of applied sciences, lappeenranta technology, civil and construction engineering civil and construction engineering bachelouv theviv 201. Filler block is required between joists for full length of span. There are 16 different types of slabs in construction. Senior research scientist the opinions, findings, and conclusions expressed in this report are those of the author and not necessarily those of the sponsoring agency.
Some content that appears in print may not be available. Department of mechanics, materials and structures english. Enter your mobile number or email address below and well send you a link to download the free kindle app. Rcc slab laying is one of major step in any type of construction so it is mandatory to know all the points related to laying rcc slab.
The filler slab is based on the principle that for roofs which are simply supported, the upper part of the slab is subjected to compressive forces and the lower part of the slab experience tensile forces. For best elasticity and durability, make sure slab is. It was observed that with if the filler slab can be used as an alternative to conventional slab the cost of construction can reduce upto 25%. The methods of using low cost housing techniques in india. Buildinghow products books volume a the reinforcement. Fillerslab as a continuous tbeam slab low cost as well as increased strength ayush srivastava1.
It is a roofing system which is based on replacing the concrete portions of a roof slab with filler materials like tiles or earthen pots. Filler materials water absorption should be checked for as it will soak. Consumes less concrete and steel due to reduced weight of slab by the introduction of a less heavy, lowcost filler material like two layers of burnt clay tiles. What are the 16 different types of slabs in construction. May 21, 2017 different types of concrete slabs in construction. In fact, creating a beautiful building by overlooking nature proves even costlier. Fillerslab as a continuous tbeam slab low cost as well. Concrete is good in taking compression and steel is good in tension. In 1987, the collapse of ambiance plaza in bridgeport, connecticut, demonstrated the need to reevaluate the engineering of liftslab construction and determine what is needed to make it safe. Makes saving on cost of this slab compared to the traditional slab by about 23%. A filler lab material may be termed as a waste material and is used to ensure advantage over rcc slab.
The concept doesnt come in the way of structural strength and gets things done in an economical way there is a lot of difference between cheap construction practices and cost effective ones. Handbook on good building, design and construction in the. For best elasticity and durability, make sure slab is slightly recessed after complete cure. Filler slab free download as powerpoint presentation. The slab may be supported by walls, by reinforced concrete beams usually cast monolithically wit. Guidelines for the use, design, and construction of bridge approach slabs edward j. In this article, ill give a detailed explanation of each slab where to use particular slab. Guide to the design and construction of reinforced concrete. Then you can start reading kindle books on your smartphone, tablet, or computer no kindle device required. The plain ceiling diffuses the light better and is considered less vulnerable in the case of fire than the traditional beam slab construction. Wiley also publishes its books in a variety of electronic formats. The overall tendency is to shrink and this can cause cracking at an early age. He had one singular purpose to create a beautiful building using the minimum possible quantity of materials.
To meet fha termiteproofing requirements, follow the latest edition of the housing and. Cross sections of twoway concrete floor at the slab edge. Cracks in concrete floors or slabs occur in poured concrete slabs may be found both in basement and in slab on grade or patio home construction and have a variety of causes and cures that we discuss here as we explain how to repair cracked concrete floors and as we describe slab on grade construction or patio home construction cracks and as. Comprehensive, uptodate coverage of reinforced concrete slabsfrom leading authorities in the field. Precast posttensioned segmental construction is defined as a method of construction for bridges, buildings, tanks, silos, cooling towers, tunnels and other structures in which primary load carrying members are composed of precast concrete segments posttensioned together. Effective span of slab shall be lesser of the two 1. Filler slab as a continuous tbeam slab low cost as well as increased strength. Reported by committee 302 american concrete institute. Guide to the design and construction of reinforced. Install sashcos precaulking filler rope or similar backer rod in joints. The filler slab may be analyzed as a two way spanning grid slab. Guide to concrete floor and slab construction reported by committee 302 dennis c.
Filler material should be light in weight, so that overall weight of the slab reduces and also. Pdf filler slab as a continuous tbeam slab low cost as. Not only are filler boards used in between precast and insitu concrete but for the continuation of casted slabs to new slab construction. A rc filler slab with nonautoclaved cellular concrete blocks for sustainable construction m. This comprehensive concrete manual has both the triedandtested methods and materials, and more recent innovations. While taking up construction, most fail to appreciate the difference and end up spending quite a bit of their money. There is huge misconception that low cost housing is suitable for only sub standard works. Individual components not shown to scale for clarity. Enhances thermal comfort inside the building due to heatresistant qualities of filler materials and the gap between two burnt clay tiles. The midspan section is designed as a tbeam with castinsitu concrete of flange taking compression and reinforcement at the bottom of the slab in the web portion taking tension. Offering an essential background for a thorough understanding of building code requirements and design procedures for slabs, reinforced concrete slabs, second edition provides a full treatment of todays approaches to reinforced concrete slab analysis and design. Nail joists together with two rows of 10d nails at 12 inches o.
This guide presents information relative to the construction of slab onground and suspended slab floors for industrial, commercial, and institutional buildings. Rat trap bond brick wall construction by earthbound architecture. Rat trap bond is a brick masonry method of wall construction, in which bricks are placed in vertical position instead of conventional horizontal position and. Fillerslab as a continuous tbeam slab low cost as well as. Low cost housing is a new concept which deals with effective budgeting and following of techniques which help in reducing the cost construction through the use of locally available materials along with improved skills and technology without sacrificing the strength, performance and life of the structure. In reality, sandwich slabs are ribbed slabs with a slab placed both to their upper and lower surface. Aug 27, 2015 guide to the design and construction of reinforced concrete flat slabs contents membersof the projectsteeringgroup list of tables vii iv list of figures v 1. Suitable for large spans flat, sloping or domed roofs. Rat trap bond brick wall construction by earthbound. With the time more studies are going to identify the reuse of waste material. Building construction by sushil kumar published by standard publishers read building construction book by rangwala pdf.
571 947 738 1062 819 1340 330 892 170 516 426 782 845 1530 822 1261 148 1504 953 1104 1446 835 642 277 1550 1193 1100 794 478 460 198 302 1252 1309 705 742 1438 178 320 49 1430 782 1254 980 1255 77 881 30 1314