The best way to install steel reinforcement for concrete slab.

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in today's video we will show you The best way to install steel reinforcement for concrete slab.
Two-way slabs are generally defined as suspended slabs where the ratio of the long to the short side of a slab panel is 2 or less. In two-way construction, load transfer is by bending in two directions. The main flexural reinforcement usually consists of two mats of reinforcing steel – a top mat and a bottom mat – that run predominately in the directions that are orthogonal and parallel to the rectangular grid of column lines. The bottom mat of reinforcement resists the positive bending moments at the critical sections in the span and is usually continuous over the entire slab area.

Drip Grooves
Drip grooves or drip edges along the edge of a slab soffit can cause issues related to the required cover to the longitudinal reinforcement. These grooves are usually formed using a form chamfer strip or a one-inch piece of dimensional lumber nailed to the formwork deck near the slab edge. The two ways to maintain required concrete cover (a) offset the bars crossing the groove, and (b) relocate the transverse and longitudinal layers of reinforcement so that the affected reinforcing bar is moved away from the groove, thereby maintaining the required cover.

General Detailing Recommendations
Two-way slabs can be detailed in different ways. One popular method is to call out the top and bottom amounts of reinforcement in the column strip (CS) and middle strip (MS) directly on a plan view of the floor or roof level, the reinforcement in the perpendicular direction is also shown on the same plan). It is assumed that the bars are uniformly spaced throughout the strip. For design professionals who are not familiar with the economics of reinforced concrete construction, it may be tempting to blindly copy the results from the computer program output directly to the structural drawings without thinking about the consequences of multiple bar sizes and spacing. While this may be adequate in some cases, economy is generally achieved by using the largest size reinforcing bars that satisfy strength and maximum spacing requirements and to repeat bar size and spacing as often as possible. This is illustrated in Figure 1, where #5 bars are used in both the top (T) and bottom (B) layers in the column and middle strips, and the number of bars at similar critical sections are repeated as often as possible.

RADIAL NERVE PALSY
The radial nerve runs from the upper arm to the wrist and fingers. This nerve controls movement and sensation in the arm and hand and extension of the elbow, wrist and fingers. Radial nerve palsy is a condition that affects the radial nerve and if damage to this nerve occurs, weakness, numbness and an inability to control the muscles served by this nerve may result.

Signs and Symptoms of Radial Nerve Palsy
Radial nerve palsy symptoms include:
Numbness from the triceps down to the fingers
Problems extending the wrist or fingers
Pinching and grasping problems
Weakness or inability to control muscles from the triceps down to the fingers
Wrist drop – when the wrist hangs limply and the patient cannot lift it

#diy #steelwork #construction

00:00 Intro
00:26 Reviewing the plan
00:58 Building the 10 feet steel cages
10:57 Installing steel cage
19:40 Junior's remark
20:39 Installing Wall bars
25:46 Installing over support bars
27:29 Cranking the over support bar
31:33 ending

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