reinforced concrete hollow core deck slab

PLASTIC VOIDED SLAB SYSTEMS: APPLICATIONS AND - …

2017-12-16 · Reinforced concrete slabs are one of the most common components in modern building construction. Reinforced concrete slabs with plastic voids slabs are a new and innovative type of structural concrete slab system developed to allow for lighter self-weight of the structure while maintaining similar load carrying capacity of a solid slab.

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Damage assessment of hollow core reinforced and

2018-3-22 · Reinforced and prestressed concrete hollow core slabs are widely used for building and car parks applications. Most of the studies on hollow core slabs are focused on static load and fire resistance. Baran [1] tested five precast concrete hollow core units with concrete topping under flexural loading in order to demonstrate that the concrete

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Structural Behavior of BubbleDeck* Slabs And Their - …

2017-11-23 · As a result this allows the hollow slab to act as a normal monolithic two-way spanning concrete slab. These bubbles can decrease the dead weight up to 35% and can increase the capacity by almost 100% with the same thickness. As a result BubbleDeck* slabs can be lighter stronger and thinner than regular reinforced concrete slabs (BubbleDeck

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Optimize precast concrete hollow-core slabs

The precast concrete slab has tubular voids running the full length of the slab making the slab much lighter than a massive solid concrete floor slab of equal thickness or strength. In the cross section of hollow-core slabs concrete is used only where it is actually needed. Areas where concrete acts only as ballast are replaced with hollows

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Reinforced Concrete Slabs

Reinforced Concrete Slab. Reinforced concrete slabs are used to provide structural floor support to a foundation. Concrete floor slabs are used in modern buildings to provide flat floors and ceilings. The process involves making a concrete base using layers of reinforcement being placed onto the piles and framework of a properties structure.

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Hollowcore Precast Concrete – Concrete Planks & …

Serving as a combined deck and ceiling system the planks erect quickly to reduce on-site labor needs and are capable of spanning long open spaces to aid design flexibility. Continuous interior voids add structural stability reduce weight and therefore reduce cost.

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Fire Protection of Concrete Deck - Paroc.com

The fire performance of a hollow core slab without additional fire protection is REI 30 – REI 120 depending on the slab type. The additional fire protection of the hollow core or massive concrete slab slows down the temperature rise of reinforcing steels. The …

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Concrete Slab Types - Construction Cost and …

3. Waffle Slab (Grid slab) It is a type of reinforced concrete slab that contains square grids with deep sides. Waffle slab construction process includes fixing forms placement of pods on shuttering installation of reinforcement between pods installation of steel mesh on top of pods and pouring of concrete.

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NUMERICAL ANALYSIS OF REINFORCED LIGHTWEIGHT …

2017-3-24 · Hollow core slab (HCS) is a concrete slab provided to lessen weight and consequently cost and as a part advantage to use for hid electrical or mechanical runs. Fundamentally used as roof or floor deck systems. Hollow core slab likewise have applications as bridge deck units and spandrel members.

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Bubble Deck Slab

2020-2-21 · BUBBLE deck slab is a biaxial hollow core slab invented in Denmark. It is a method of virtually eliminating all concrete from the middle of a floor slab not performing any structural function (fig 1) thereby dramatically reducing structural dead weight.

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Hollowcore Precast Concrete Floors | Planks & Slabs | …

2020-8-31 · The UK’s leading manufacturer of pre-stressed Hollowcore Concrete Floors. Milbank hollowcore floors (also known as slabs or planks) are pre-stressed concrete slabs with internal tubular voids creating an efficient and lightweight plank that is far …

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Hollow-core slabs with cast-in-place concrete toppings: A

2018-11-1 · Hollow-core slabs are economical have good fire resis-tance and sound insulation properties and are capable of spanning long distances with relatively shallow depths. Common depths of prestressed hollow-core slabs range from 6 to 10 in. (150 to 250 mm) for spans of approxi-mately 30 ft (9 m). More recently hollow-core slabs with

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Core-Slab

The leading precast concrete specialist that operates in both private-sector project and public-sector infrastructure programme markets. We launched in 2008 to supply high quality precast concrete systems including hollow-core slabs rib-and-block slabs mainly to the residential property developments.

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REINFORCED CONCRETE DESIGN 1 Design of Slab …

2017-9-1 · A rectangular reinforced concrete slab is simply-supported on two masonry walls 250 mm thick and 3.75 m apart. The slab has to carry a distributed permanent action of 1.0 kN/m2 (excluding slab self-weight) and a variable action of 3.0 kN/m2. The materials to be used are grade C25 concrete and grade 500 reinforcement. The slab is outside

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Flexural behaviour of concrete slabs reinforced with …

2020-3-15 · The hollow core concrete slab reinforced with GFRP bars behaved the same as the solid slab due to only a 9% reduction in the gross area of the concrete for hollow slab than the solid slab and the area of concrete in compression for hollow slab was located above the hollow core. Slab S2 (hollow) showed a more brittle final failure than slab S1

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Hollow Slabs With Innovative Types of Voids

2017-5-20 · A SEMINAR PRESENTATION ON "HOLLOW SLABS WITH INNOVATIVE TYPES OF VOIDS" INTRODUCTION. 1. The slab is very important structure member in building and slab is one of the largest member consuming concrete.. 2.When the load acting on the slab is large or clear span between columns is more the slab thickness goes on increasing. It leads to the consumption of more material such as concrete …

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TYPES OF SLABS

2019-4-12 · A reinforced concrete slab is a planar structural element and is used to provide a flat surface (floors/ceilings) in buildings. On the basis of reinforcement provided beam support and the ratio of the spans slabs are generally classified into one-way slab and two-way slab.

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CSS Concrete Slab Supplies | Home

CSS has over the past 10 years and over 100 projects provided our company Chalkline Construction with a holistic service incorporating engineering design slab supply and professional advice. This service and product knowledge has proven invaluable to our company. They have always been extremely approachable and keen to offer sound solutions to any challenges we encounter on site.

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Concrete slabs in buildings

Concrete slabs in buildings - Designing Buildings Wiki - Share your construction industry knowledge. A slab is a structural element made of concrete that is used to create flat horizontal surfaces such as floors roof decks and ceilings. A slab is generally several inches thick and supported by beamscolumns walls or the ground.

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Reinforced Concrete Analysis and Design

2011-9-3 · Reinforced Concrete SK 3/3 Section through slab showing stress due to moment. Find the following parameters for design moments in Step 2 per unit width Step 4 Note: Note: Design of slab for flexure 067 m UNIT WIDTH of slab. bid = M + N @ - for N O.lfcubd For design as wall (see Chapter 8). Md may also be taken

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Concrete Slab in Construction: Its Functions & Types.

2020-8-27 · The diameter of reinforcement bar commonly used in slabs are: 8 mm 10 mm 12 mm and 16 mm. According to ‘IS 456:2000’ (Plain and Reinforced Concrete – Code of Practice) the maximum diameter of bar that can be used in the slab should not be more than 1/8 th of total depth of slab i.e. D/8. In slab maximum spacing of the main bar should be 3 times effective depth or 300 mm whichever is

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Hollow-core slab

2020-8-19 · A hollow core slab also known as a voided slab hollow core plank or simply a concrete plank is a precast slab of prestressed concrete typically used in the construction of floors in multi-story apartment buildings.The slab has been especially popular in countries where the emphasis of home construction has been on precast concrete including Northern Europe and former socialist countries …

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Hollow-core slab Hollow core slab - ABO Building

2020-1-20 · Hollow core slab cover including steel concrete core molds core molds embedded in reinforced concrete the characteristics is core molds filled with lightweight materials. Hollow roof is a kind of technology not a product and its specific requirements are shown in the national technical specification "technical regulations for cast-in

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Flat Concrete Slab - Alternative to Rib and Block …

The Bass Beams flat concrete slab is an affordable slab which is most suited to new construction and building projects. The flat slab provides an efficient and cost effective alternative to conventional slabs cast in situ block and lintel rib and block and hollow core. Each flat concrete slab is pre-cast to specific sizes at Read more about Flat Concrete Slab[…]

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Bubble deck & hollow core slab

2017-12-8 · Hollow core slab can be served with different supporting assemblies such as brick built walls steel structures concrete constructed walls and more (Hollow Core Slab Application n.d). 15. Bubble Deck & HollowCore Slab 15 How hollow core slabis manufactured 1. Bed preparation 2. Pulling and attaching pre-stressing wires or strands 3.

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A STATE OF THE ART REVIEW ON REINFORCED …

2018-3-17 · 2.5 Hollow core slabs A hollow core slab also known as a voided slab hollow core plank or simply a concrete plank is a precast slab of pre-stressed concrete typically used in the construction of floors in multi-story apartment buildings. The slab has been especially popular in countries where

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Hollow concrete blocks

1m 3 of concrete will fill approx. 14m 2 of 215mm hollow blocks (laid 215mm wide) or approx. 22m 2 of 140mm hollow blocks (laid 140mm wide).. 140mm hollows when filled with concrete (2400kg/m 3) create a wall mass of 403kg/m 2 which gives a weighted sound insulation Rw of 49dB* while 215mm hollows when filled with concrete (2400kg/m 3) create a wall mass of 518kg/m 2 which gives a weighted

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Analysis of hollow-core slab floors

A hollow core slab also known as a void slab hollow core plank or simply a concrete slab is a precast concrete slab frequently used in the construction of floors in multi-story apartment buildings.

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Shear Strengthening of Hollow Core Slab Webs using …

Title: Shear Strengthening of Hollow Core Slab Webs using FRP Composite Sheets Author(s): Yuanli Wu Amr El Ragaby and Shaohong Cheng Publication: Symposium Paper Volume: 322 Issue: Appears on pages(s): 3.1-3.18 Keywords: Shear capacity hollow core slab web and FRP. Date: 6/18/2018 Abstract: Precast prestressed hollow core (PHC) slabs are among the most common concrete deck system in …

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Shukuma Flooring Products

Cores are typically either circular or elliptical. Slabs may be reinforced or prestressed and are designed as ribbed slabs. The hollow cores afford a reduction in self-weight of 30% or more compared with a solid slab of the same depth. For most applications no propping is necessary during construction but crane access is essential.

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Hollowcore Flooring | Precast Concrete Planks and …

FP McCann manufactures precast concrete hollowcore flooring units. These units are a prestressed concrete slab normally 1200mm wide (part widths are also available if required) and a current depth range of 150mm to 450mm. In addition to this range we also manufacture a 100mm deep precast concrete floor slab.

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It is possible for a concrete slab to span 10m without

As others have stated as slabs increase in span they generally need to get thicker in order to develop the lever-arm needed to resist increased bending moment (simply put). This is somewhat self-defeating as the unit weight of the slab increases

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