Sitemap

Sitemap 

Comments

Post a Comment

Popular posts from this blog

IMPORTANT MECHANICAL PROPERTIES OF MATERIALS

Image
Important mechanical properties of materials:- ELASTICITY:-  In this property body regains completely its original shape & size then it is called perfectly elastic body. Elastic limit marks the partial break down of elasticity beyond which removal of load result in degree of permanent deformation. Steel, aluminium, copper, may be considered to be perfectly elastic within certain limit   ·      Plasticity:- The characteristics of material by which it undergoes inelastic strain beyond those at the elastic limit is known as plasticity.   This property is particularly useful in operation of pressing and forging. When large deformation occurs in a ductile material loaded in plastic region, the material is said to undergo plastic flow. Ductility:- It is the property of material in which a material can be drown out longitudinally to a reduced section, under the action of tensile force.   A ductile material must possess a high degr...
Read more

Important points & characteristics of good concrete.

Image
  The volume of one 50 kg bag of cement is 34.5 litres   About 19 litres (38%) of water is required to hydrate 50 kg cement in sealed container.   The ordinary Portland cement when tested for its compressive strength at 28 days   according to the method describe by the standard specification, yields a minimum compressive strength of 43N/mm2 is called 43 grade  cement . Too fine cement is susceptible to air set and deteriorates earlier.   The setting time of cement can be controlled by varying the quantity of gypsum in cement. Sometime with the addition of water to cement, a premature set occurs within 5 minutes. This is called false set an is due to  the presence of anhydrous gypsum which is formed due to grinding of gypsum with too hot clinker .this is not to be worried .continuous mixing aggregates , cement and water will break the false set without  harming any property of the concrete .  The ability of cement to mainta...
Read more

HOW TO PREPARE METHODOLOGY OR METHOD STATEMENT OF CONSTRUCTION WORK

Image
Here I am going to discuss how to prepare a method statement for construction activities step by step: Content :- In this with we write the content which included in the document serial wise. PURPOSE SCOPE RESPONSIBILITY CONTROLLING SPECIFICATION MATERIAL TOOLS & TACKLES PROCEDURE INSPECTION DOCUMENTATION 1. PURPOSE:- In this we write the purpose of the procedure which includes all activities. 2. SCOPE:- In this we write about the scope of the work, which includes activity name and name of part of construction work. 3. RESPONSIBILITY:- We include the persons who are responsible for the the activity such as project manager, engineer, supervisor. 4. CONTROLLING  SPECIFICATION:- In section we include which standards and specification are used for the activity. 5. MATERIAL:- In this we include the the all kind of materials used for the work with name of material and brand. 6. TOOLS & TACKLES:- In this we include name of the tools and tackles used for the work ...
Read more