Structural Engineering
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General Details for Poured Walls Construction
Gopal Mishra
The design and detailing details of wall construction depend on many factors such as its purpose, type and amount of load on it, its support conditions, types of soils, etc. Unless these details are known, the sectional details can not be accurate or as required.
The design and detailing details of wall construction depend on many factors such as its purpose, type and amount of load on it, its support conditions, types of soils, etc. Unless these details are known, the sectional details can not be accurate or as required.
See lessrepairing a concrete horizontal beam
Madeh Izat Hamakareem
The beam should be analyzed to find out the cause of deflection, then decide on the repair technique. one solution could be increasing the size of the beam and adding extra reinforcement in order load carrying capacity of the beam, and increase flexural resistance to reduce deflection. Before applicRead more
The beam should be analyzed to find out the cause of deflection, then decide on the repair technique. one solution could be increasing the size of the beam and adding extra reinforcement in order load carrying capacity of the beam, and increase flexural resistance to reduce deflection. Before application of this repair technique, the beam should be released from certain amount of loads through the provision of jacks for the secondary beams. The new cross section with the added reinforcement ratio should be analyzed for compute its load carrying capacity.
See lessHow to Calculate Reinforcement Steel Overlap Length?
Gopal Mishra
Lapping of reinforcement is usually done where minimum bending stress is required. In general, lap length is 50d which means 50 times the bar diameter is provided if both bars are of same diameter. Lap length in tension: The lap length including anchorage value of hooks shall be For flexural tensionRead more
Lapping of reinforcement is usually done where minimum bending stress is required. In general, lap length is 50d which means 50 times the bar diameter is provided if both bars are of same diameter.
Lap length in tension:
The lap length including anchorage value of hooks shall be
For flexural tension – Ld or 30d whichever is greater is considered.
For direct tension – 2Ld or 30d whichever is greater is considered.
The straight length of lapping of bars shall not be less than 15d or 20cm.
Lap Length in Compression:
The lap length is equal to the development length calculated in compression but not less than 24d.
For Different Diameter Bars:
See lessWhen the bars of different diameters are to be spliced, the lap length is calculated considering the smaller diameter bar.
Reinforcement in columns of a 5 storey building
Madeh Izat Hamakareem
The required number of bars and its diameter cannot be determined straightforward. The columns shall be designed (in accordance with applicable codes such as ACI 318-14) to specify its dimension, bars number and sizes.
The required number of bars and its diameter cannot be determined straightforward. The columns shall be designed (in accordance with applicable codes such as ACI 318-14) to specify its dimension, bars number and sizes.
See less