Building Construction Handbook, Eighth Edition

Thermal or Cold Bridging ~ this is heat loss and possible condensation, occurring mainly around window and door openings and at ...

As shown on the preceding page, continuity of insulated construction in the external envelope is necessary to prevent thermal br ...

The possibility of a thermal or cold bridge occurring in a specific location can be appraised by calculation. Alternatively, the ...

Air Infiltration ~ heating costs will increase if cold air is allowed to penetrate peripheral gaps and breaks in the continuity ...

Main features of Approved Document (A.D.) M: Access to and use of buildings, and other associated guidance † * Site entrance or ...

Main features ~ Site entrance, or car parking space to building entrance to be firm and level, ie. maximum gradient 1 in 20 wit ...

* Main access and internal fire doors that self-close should have a maximum operating force of 20 Newtons at the leading edge. I ...

6 SUPERSTRUCTURE† 2 Reinforced concrete slabs Reinforced concrete framed structures Structural concrete, fire protection Formwor ...

Simply Supported Slabs ~ these are slabs which rest on a bearing and for design purposes are not considered to be fixed to the s ...

Reinforcement ~ generally in the form of steel bars which are used to provide the tensile strength which plain concrete lacks. T ...

Construction ~ whatever method of construction is used the construction sequence will follow the same pattern- Assemble and ere ...

Profiled galvanised steel decking is a permanent formwork system for construction of composite floor slabs. The steel sheet has ...

Beams ~ these are horizontal load bearing members which are classified as either main beams which transmit floor and secondary b ...

Mild Steel Reinforcement † located in areas where tension occurs in a beam or slab. Concrete specification is normally 25 or 30 ...

Guidance † simply supported slabs are capable of the following loading relative to their thickness: Note: As a rule of thumb, it ...

Bond Between Concrete and Steel † permissible stress for the bond between concrete and steel can be taken as one tenth of the co ...

Columns ~ these are the vertical load bearing members of the structural frame which transmits the beam loads down to the foundat ...

With the exception of where bars are spliced ~ BEAMS The distance between any two parallel bars in the horizontal should be not ...

Typical RC Column Details ~ Steel Reinforced Concrete † a modular ratio represents the amount of load that a square unit of stee ...

Buckling or Bending Effect † the previous example assumed total rigidity and made no allowance for column length and attachments ...