Electrical Product-Anchors

Supreme range of soil & rock  Anchors

INTRODUCTION:

  • Used to anchor into concrete, masonry, stone.
  • With time, the evaluation of anchors have led to different designs.
  • More than one anchor type may be suitable for a particular purpose
  • Thus there are some salient features which need to be examined before choosing any anchor.

SALIENT FEATURES WHILE CHOOSING AN ANCHOR:

  1. Base Material
  2. Design
  3. Load

1.Base Material:

  • Material being anchored to
  • Can be concrete, brick, tile block,  stone etc.
  • The type of fastener for the application is determined by it.
  • Stone & concrete has high load carrying ability (due to its strength and mass)
  • Other Base material, has much less mass to anchor to, thus much less strength.

TYPE OF BASE-MATERIAL

Cohesive    

    Fine grained soil.E.g.- Clay                                                                                                                                                                                

     Non-cohesive                                                                                                          

Coarse grained soil. E.g-Sand

Each type can be further subdivided into 3 categories

  • Based on the origin of the soil.
  • Method of deposition.
  • structure

2.DESIGN:

  • Proper size hole for maximum efficiency of the mechanical anchor.
  • Proper spacing between the anchors.
  • Compressive strength of the base material.
  • Distance of the surface from the embedded end of the anchor.

3.LOADS:

lOAD TYPES  DEPENDING ON THE  DIRECTION :

  • Tension-1) Applied parallel to the length of the anchor. 2) Loads stress the fastener and the baes material .
  • Shear-1)Perpendicular to the length of the anchor. 2)The depends on the anchor strength
  • Complicated-1) Combination of tension and shear. 2) Resultant load in some other direction.

LOAD TYPES DEPENDING ON LOAD MOVEMENT:

  • Static–Non moving loads.
  • Dynamic–Vibration etc, causes the loosening of the anchor

The load bearing of the anchor depends on ———–

  • Expansion force of the anchor.
  • Strength of the base material

TYPES OF ANCHORS MANUFACTURED BY US:

  1.  Helical  Anchor
  2. Rock Anchor
  3. Expanding Anchors
  4. Cross plate Anchors

HELICAL ANCHOR /HELICAL PIERS

  • Design features
  • Application
  • Advantages

DESIGN FEATURES:

Consist of central shaft made up of square or round rod.

–Transmits torque during installation

–Transfers axial loads to the helical plates

–Also provide the resistance to lateral loading.

HELICAL SHAPED CIRCULAR STEEL PLATE WE I DED TO THE SHAFT

–Helical  plates constructed with controlled pitch

–Causes more soil resistance during normal loading.

ROUND ROD AND SQUARE ROD:

Round rod Helix Anchor /No Wrench screw Anchor.

–Can be installed by hand or machine.

–Much be installed at greater depth to reach firm soil

SQUARE SHAFT / WRENCH TYPE SCREW  ANCHOR

–Designed for heavy guy loading.

–Extension shaft is coupled for installation at proper depth.

APPLICATIONS:

  • Used as soil anchors—for retaining walls, to resist wind loads for tall structures
  • Used for building foundations–For new structures, under pins for  existing structures, as support for broad walks, light posts etc.

ADVANTAGES:

  • Rapid installation
  • Immediate loading capability and resistance to both uplift and bearing loads
  • High capacity application
  • Limited access installation

ROCK ANCHOR

  • Design
  • Application
  • Advantages

DESIGN

  • Designed of a threaded rod with turn buckle and two opposing wedge.
  • The rotation of the turn buckle forces the wedge against the sides of the rock, locking  the anchor in place.
  • Load increses the wedging  force and the holding power.

For details about anchor please click the link below………………

Anchors

 

 

 

 

 

 

2 Responses to Electrical Product-Anchors

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