Roof Waterproofing Using Bituminous Waterproofing Membrane Sheet

A bituminous waterproofing membrane is used for reinforced concrete roof waterproofing. This waterproofing membrane comes on site in the form of rolls manufactures and packed in the factory properly sealed. The specifications and safety manuals of this membranes provided by manufacturer should be read before installation process. Fire safety and prevention is the most important […]

Do’s & Don’ts While Concreting

Concrete consists of different materials, which have different functions .The properties of concrete depends on the particular mixture of constituents. The basic constituents used to make concrete are cement, lime, water and aggregate. Do’s 01. Do hire an experienced contractor for successful concreting operation. 02. Also see that the main/general contractor hire good skilled sub/labour contractor […]

Cement Grouting (High Mobility Grouting)

Cement grouting, also known as slurry grouting or high mobility grouting, is a grouting technique that fills pores in granular soil or voids in rock or soil, with flowable particulate grouts. Depending on the application, Portland cement or microfine cement grout is injected under pressure at strategic locations either through single port or multiple port […]

Concrete Mix Design Excel Sheet

  Concrete Mix Design Mix Design It is a process of selecting suitable ingredients and determining their relative proportions with the objective of producing concrete of having certain minimum workability, strength and durability as economically as possible. Requirements of concrete mix design The requirements which form the basis of selection and proportioning of mix ingredients are : a […]

CEMENT GROUTING FOR CRACKS IN CONCRETE AND MASONRY

Cement Grouting in cracks in concrete and masonry: Wide  cracks,  particularly  in  mass  concrete  abutments / piers  and  masonry substructures  can be  repaired  by  filling  with  portland  cement  grout.  This method  is  effective  in  sealing  the  crack  in  concrete,  but  it  will  not structurally  bond  cracked  sections.  Applications of cement grouting: i)  When cracks are […]

Bridge Cost Estimate Worksheet

  The Preliminary Cost Estimate Worksheet should be used to estimate the bridge cost for new and replacement bridge projects. The worksheet is based on the bridge shoulder break methodology. This methodology was established for use early in a project when bridge particulars, such as abutment heights and locations, are not known. The costs and […]