mild steel

13,654 views 36 slides Mar 07, 2014
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MILD STEEL FRAME STRUCTURES

Mild steel consist of iron alloyed with less than 0.3% carbon , most commonly between 0.1 to 0.25%. The building industry frequently uses mild steel in construction because of its ductility and malleability. MILD Steel frame  usually refers to a building technique with a " skeleton frame " of vertical  steel   columns and horizontal  beams, constructed in a rectangular grid to support the floors, roof and walls of a building which are all attached to the frame. The development of this technique made the construction of the  skyscraper possible.

HIGHLY USED MILD STEEL PRODUCTS CUPLOCKS o SHUTTERING CLAMP STEEL PLATES o H-SCAFFOLDING PROPS ACROSPAN CHANNELS JACKS JOINT PINS COUPLARS MILD STEEL PIPES STEEL CHALLI

MILD STEEL PLATES MILD STEEL PLATES are made by using high grade raw material which provides them properties like resistance from corrosion and high durability. Widely demanded in the market . These mild steel plates are available in various sizes in the market. Properties :- Solid strength Rust free Abrasions resistant Long lasting User friendly

CUP LOCKS The cup locks are hired on rent for construction of residential, commercial and industrial sites. Cup lock can be erected for straight, curved and circular configuration for both access and support. Simplicity and strength : Beside this , if we discuss about its strength and simplicity, then we find that it lies in the node point or fastening method. Moreover, four horizontal can be fastened at one time making a very rigid connection.

L ocate the blade end of horizontals into lower Lower the upper cup down Tighten with a hammer blow A positive and rigid connection of four units is achieved in one single action

MEMBER VERTICAL 3 m 13.5 kg 2.5 m 11.25 kg 2 m 9 kg 1.5 m 7 kg 1 m 4.5 kg STANDARD SIZE AVAILABLE ( in meters ) TOTAL WEIGHT ( in kilograms ) 2 m 7 kg 1.5 m 5 kg 1.2 m 4 kg 1 m 3.5 kg HORIZONTAL STANDARD SIZES : --

ELEVATION OF FRAME STRUCTURE

PROPS Props are also available on rent. They are generally hired for construction of building, industrial buildings, sites etc. Props are one of the  economic method. They help to support for all kinds of form work, slabs, beams, wall & columns. Also used for a wide variety of applications in general building construction and repair work. Props eliminate the costly labour. Sizes of props available are (2+2 m) (2+3 m).

UNIQUE FEATURES : The high tensile steel pin is located through a slot in the outer section and a hole on the inner section for coarse adjustment. The cast collar located below the pin gives fine adjustment for lending and striking. A self cleaning device on the collar nut, which automatically clears the thread of concrete, and dirt where the nut is rotated thus assuring quick and easy adjustment. A hole boss on the collar nut which makes it easy to turn in confined spaces. By inserting a bar in the hole. Base plates and head plates are holed for use with slab from work. TPI ACME square thread ensure load bearing strength at this critical point.

NUT Malleable casting Top Plate 150 x 150 or 100 x 300 x 5 mm Thick Plate Base Plate 150 x150 x 6 mm Prop Size Height (mtr.)   Closed Extended CP-1 1.5 2.75 CP-2 2.0 3.25 CP-3 2 3.75 CP-4 3 4.75 ADJUSTABLE TELESCOPIC PROPS SPECIFICATION SIZES AVAILABLE

SUPPORTING MEMBERS Wooden vertical members ( known as ballies ) used as a frame structure in building construction MILD STEEL vertical member( known as a props) used as frame structure in building construction REPLACING

COMPARISON B/W WOODEN BALLIES AND MS PROPS. WOODEN BALLIES MS PROPS Wooden Ballies decay due to termites . It cannot be used as long lasting frame structure. It can be crack. They are not in proper shape although they are not straight. It need maintenance. MS Props are termites free. It can be used as long lasting frame structure. There is no cracking. They are in proper shape and are straight. It need less maintenance .

JACKS Jacks are given on rent and for construction of residential, commercial and industrial sites. These high quality jack provides a method of adjustment. These are hence used at the top or bottom of a scaffold support structure. They are available as per international standard. Also available with best durability and corrosion free range. U-JACK

SHUTTERING CLAMP Shuttering clamps and column is the product which is being fabricated with different specification and based on the demand of the customer . The raw material used is of high quality and specifically to match with the requirement of the client depending upon the actual utility of the  shuttering clamp and Colum clamps. Length (in feet) 2.5', 3', 4' Thickness (in mm) 4, 4.5, 5, 6, 8 Width (in mm) 24, 25, 28, 30 SIZES AVAILABLE

ACROSPAN Acrospan are basically manufactured out of sheet that is Lattices of 10 mm dia bar, main bar 14 mm dia, bearing angle 75 x 75 x 10 mm. There exist one number of eye bolt with additional angle stiffener welded to the sheet and bearing angle from inside. They are made of high quality raw material. Available as per international standard. 

Prop Size Extension (mtr)   Min. Max. ES0-ES1 1.75 2.70 SO ESI 2.40 3.45 SO-S1 2.40 4.10 SO-S1 3.0S 4.7 Slab Thickness Allowable Span for centre line spaning 300mm 600mm 900mm 1150mm 100 8000 5630 4600 4000 115 7800 5500 4450 3850 125 7550 5300 4300 3750 150 7100 6700 4050 3550 ADJUSTABLE TELESCOPIC SPAN S SPECIFICATION SIZES AVAILABLE

CHANNELS Channels are generally used for supporting the structure. They are available in varied shapes , sizes and length. Also available in roll formed metal.They are also known as angles. Different types of channels are:- L – channel T – channel C-channel

L - CHANNEL THESE MILD STEEL L – channels are STEEL ANGLE DESIGNATIONS. But commonly known as angles . L = Angle Designation 4 x 4 = Size of the legs (inches) 1/2 = Thickness of the legs (inches) (note:- legs can be equal or unequal size Thickness

C - CHANNEL Uses Truss members, Bracing, Lintels etc. Designation C 9 x 13.4 C = channel Designation 9 = Nominal Depth ( inches) 13.4 = weight / ft

I - CHANNEL These mild steel I – channels are the WIDE FLANGE. But commonly known as GATTER. Size Range Depth; 10.16 cm to 101.6 cm Uses - Beams & columns Proportions - Shape Tall & narrow – Beam Square – Columns & Piles

H-FRAME SCAFFOLDING H - Frame Scaffolding System is the one of the most consuming allied product of  Steel scaffolding system  in building construction line. The uses are multiple to support Beams, Slab, Staging of Bridges, storage of building material. and easy movement on the top of the work place by labor and engineers.  H frame system is Light weighted and easy in transportation with longer lasting in uses . Prop Size Extension (mtr) Verticles 40 MM NB B Class Tube Horizontals 40 MM NB B Class Tube Size 1500 x 1200 MM   2000x 1200 MM   2400 x 1200 MM

JOINT PINS Joint pins are used for building construction. They are hired for construction of residential, commercial and industrial sites. Actually, they are internally connected and allow ease of joining. Beside this, available in small size. These joint pins are important part of scaffolding network because individually they are able to support structures up to multi stories. Joint Pins are fittings that are designed with the utilities.

COUPLER  The couplers or clamps are available on rent. Used for construction of industrial building, sites etc. Couplers are provided in various types like: #Pressed Double Coupler, Pressed Swivel Coupler, Dual Purpose Double Coupler etc. All these are made with high grade raw materials.

Pressed Double Couplers is exclusively used for joining 40 mm NB tubes at 90 degrees angle to other tubes, ledgers or props whereas Pressed Swivel Coupler is used for connecting 40 mm NB tubes at any angle other tubes, ledgers or props for diagonal bracing.

MILD STEEL PIPES Mild steel pipes are available on rent and hire for construction in different buildings. mild steel pipes is flawlessly designed in tubular forms. Available in diverse dimensions. As such, they are also offered as per the specifications and demands of clients .

PROPERTIES OF MILD STEEL PIPES Rust Resistant Abrasion resistant Tensile strength Temperature Tolerance Durable and long lasting

STEEL CHALLI Steel Challis (khapeda) are widely used in India and are fabricated from square specially designed for providing safe platform with proper placement & support. Steel Challis are available in different sizes. MS Square Pipes helps to provide a perfect platform in construction work. It is a platform on which one can sit and work. It is of 2 m length and 18” wide. They are made of square pipes.

JOINING STEEL MEMBERS .

TOWER MOTOR

SUBMITTED BY :- SURBHI (ARC-1002) VISHAL (ARC-1005) ANU (ARC-1023) MOHIT (ARC-1030) MANISHA (ARC-1031)
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