If an reinforced concrete frame structure, two to three spans, in one direction and the same in the other direction are subjected to vibration due to air-handling unit, causing discomfort to the occupants, what actions do we take? The building is a 3-storey r.c structure. The frames are filled...
Where i come from the weather is hot n wet all year round (amazon like weather). For a structure which is about 100 metres (300 ft)long by 3m(9ft) wide , is it possible to avoid expansion joint as it had always been a source of water leakages. The temp variation is 27 c to 35c.
If exp joint is a...
I have a group of 4 piles driven for a square pile cap. One of the piles failed as proven by a PDA test( Pile Driving Analysis) conducted on that particular pile.
How should I rectify the problem? Should I drive two extra piles and redesign the pile cap?Could anyone suggest any textbooks that...
In a design and built contract,I have several questions
1. What are the roles of the engineer who represents the client?
2.If something is not done accordingly, what actions should the engineer(client's rep) take?
3.Is it a must that the contractor engage a consulting engineer?
Hope this...
I was arguing with my fellow engineers (all novices) about the definition and function of expansion joint.He was suggesting that the prime function of the expansion joint is it acts as a temporary separator between two concrete surfaces during construction. To me he was implying that even if...
I would like to know if a slab/structure is designed to take 2.5Kn/m2 imposed load , is it ok to use that area as a cyber cafe? What about shops?This structure is situated at an airport departure lounge.
I would like to know what is normally practised in your construction industry regarding who should do piling records . Is it the piling contractor or the engineering consultant? who should sign the records? During payment claims are photocopied piling records acceptable?
I am working on a renovation project of an existing steel structure. The structure is of portal frames spaced at about 4.5 metres and the column clear height is about 6 metres. The architect wanted to have a mezanine floor inside this existing one storey structure. The problem is the architect...
What is the capacity of a 600 mm dia concrete column.Is this a reasonably economical size for a 4 storey building (5.5m x 8 m typical floor layout). The rebar used are 15 Numbers 25 mm High yield=460N/mm2(15Y25) and the concrete grade is 30N/mm2. Dead load =6 kn/m2 Live load=3Kn/m2.
How do we ensure moment connection (beam column joint)for a sway frame concrete structure ? For a 4-storey structure, is moment connection really necessary? Please help !
