Concrete mixers For small jobs conc. mixers are used to mix the ingredients of the concrete Following type of concrete mixers are used in the construction Hand felt tilting drum mixers These are smaller capacity mixers ,aggregate cement and water fed in to the drum by hand Loader fed tilting drum mixers These are larger…
Introduction to construction equipment’s Types of earth moving equipment Classified into following types · Production equipment · Equipment used for digging and moving · Service equipment · Dozers and motor girders Tractors Tractors are machine which change the engine energy into tractive energy These are primarily used for pull or push the loads They are also used for different…
Bridge Decks The principal function of a bridge deck is to provide support to local vertical loads (from highway traffic, railway or pedestrians) and transmit these loads to the primary superstructure of the bridge, Figure 1(1). As a result of its function, the deck will be continuous along the bridge span and (apart from some…
Types of structures under jacking · Box jacking · Arch jacking · Pipe jacking OPERATONS The box shaped tunnel structures are pre-fabricated units which are pushed into soil by hydraulic jack Soil is excavated at the advancing face by manual means or by excavators To avoid settlements of over laying roads or rail track soil is excavated after…
Acoustics is the science of sound ,which deals with origin ,propagation and auditory sensation of sound and also with design and construction of different building units to set optimum condition for producing and listening speech music etc Fire Protection No building material is perfectly fire proof A wider interpretation of the fire safety may be…
Roof finishing accessories include all types of accessory materials that are used to finish a roof. Flashing, drip edge, and roof drains are all examples of roofing accessories. Roof finishing accessories are widely available for a range of applications and may be chosen for functional, aesthetic, or budgetary reasons. Roofing accessories are largely made from…
Trusses are the frame formed by number of straight members connected in the form of triangles The embers are made by steel angles and they are joined by rivet or welding, these joints are called nodes It is assumed that the external loads act at the nodes only and the members are subjected to only…
When the height of wall or column or other structural member of a building exceeding1.5 m temporary structures needed to support the platforms over which the work man sit and carry on the work These temporary structures constructed very close to the wall is in the form of imber steel frame work commonly called as…
The purpose of floor is to provide a level surface capable of supporting the occupants of the building, furniture, equipment and sometime interior wall The floor must satisfy the following requirements · Adequate strength and stability · Adequate fire resistance · Sound proof · Damp resistance · Thermal insulations Components of a floor Sub floor, basecourse or floor base Floor…
Materials for Damp Proof Course (DPC): An effective damp proofing material should have the following properties; 1. It should be impervious. 2. It should be strong and durable, and should be capable of withstanding both dead as well as live loads without damage. 3. It should be dimensionally stable. 4. It should be free from…