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Questions tagged [building-design]

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8 votes
2 answers
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Design of transverse reinforcement in a wide beam

Besides satisfying nominal bar provision in the code, is there any special requirement in the provision of transverse reinforcement to ensure that the longitudinal reinforcement is fully effective in ...
Rebar Lor's user avatar
2 votes
0 answers
74 views

What would happen if the air conditioning failed in a skyscraper for an extended period?

I'm writing some fiction which involves the AC in a modern glass curtain skyscraper (50-80 floors?) in an American city failing for a period of weeks, maybe even for up to two months. Could anybody ...
Reverend Speed's user avatar
2 votes
0 answers
18 views

Sun light illumination on a lower floor vs high building closely

there is an investor that wants to build very close to our building. In case we agree, the buildings will stand like on the pictures below, 3 meters apart from each other. I tried to draw them in ...
akostadinov's user avatar
2 votes
0 answers
39 views

Increase in target emission rate (TER) when using a air source heat pump (ASHP) in standard assessment procedure (SAP) calculation

I am running a SAP calculation on a proposed building which will be utilising a 8.5 kW ASHP for space and water heating. I am also running a comparative analysis against a mains gas boiler to show the ...
H.B. Finn's user avatar
2 votes
0 answers
131 views

Clarification of cover definition in Eqn 7.11 of EC2 for calculating crack width

In EC2 clause 7.3.4(3), cover c is defined as the cover to longitudinal reinforcement. Say for a beam with cnom of 40mm and outer links of 16mm, the cover to longitudinal reinforcement will be 56mm. ...
Jennifer's user avatar
2 votes
0 answers
545 views

General formula for calculating torsional and warping constants of built-up section

In order to calculate the elastic critical moment of a laced double I-section, I need the torsional and warping constants. Is there a general formula to obtain this? BS 5950 only has formulas for ...
Jennifer's user avatar
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1 vote
0 answers
60 views

How to find building specs & blueprint(s) for an apartment complex?

For any given apartment complex in the U.S. (if you want to get specific, I am wondering about NYC), how does one track down the building's specifications. I'm talking about specs as detailed as the ...
user110391's user avatar
1 vote
0 answers
12 views

Do we allow mass and moment of the footing itself, when calculating ground support and eccentricity of a footing?

Suppose we are designing a footing for the wall of a building. There are two checks that are crucial. Ground support: suppose the ground is assessed as being suitable to load up to 80 kN/m2. Then a ...
Stilez's user avatar
  • 571
1 vote
1 answer
123 views

Why does the IRC think ceiling joists are weaker than floor joists?

According to the IRC, a 1200S162-68 cold-formed steel C-section can hold 40psf total load at an almost 22' span when used as a floor joist, but can only hold 25psf total load at a 21' span when used ...
useless_peta's user avatar
1 vote
0 answers
25 views

Heat storage mass vs. AIR in an ICF house

If we would want to build a family house (ICF) regarding operational costs, should we leave the insulation on the inside, or should we remove it from the inside? If we would remove it, the walls ...
KollarA's user avatar
  • 11
1 vote
0 answers
27 views

Searching for a High Speed Actuator for a simulator

I am currently planing to build a consrtuction for a simulator. My simulator seat should be able to fall like 30cm and afterwards move to the starting position . The falling should be as natural as ...
LeSchwambo's user avatar
1 vote
0 answers
37 views

How to support height extender on a rail?

I've got an 1/8" thick steel rail with 1.5" diameter and 15' in length sitting on two 5/32" thick steel rails with 2.5" diameter and 100" in length 14' apart: I want to add a diagonal support for a ...
This could be more creative's user avatar
1 vote
0 answers
678 views

What is the minimum diameter for vertical bars in a column according to ACI?

What is the minimum for vertical bars in a column according to ACI and I am looking for a particular condition where diameter must be greater than 0.625 in. (when using S-concrete for column design it ...
J.Daou's user avatar
  • 503
1 vote
2 answers
68 views

Climate control in data centers

I'm a student currently working on a market research project on the HVACR industry, and I'm having trouble nailing down a simple answer to these questions (it may be there are no simple answers, as so ...
Michael Dunford's user avatar
1 vote
1 answer
2k views

Difference between ACI Code and Eurocode in Stiffness modifiers?

According to the ACI Code stiffness modifiers (modifiers used to reduce the moment of inertia) are used for each structural elements for example 0.7 for columns and 0.35 for beams... For those who ...
J.Daou's user avatar
  • 503
0 votes
0 answers
74 views

What design could fit this egg drop challenge?

My class is doing the egg drop challenge as a school project, but the rules are a little different than normal. First of all, the construction needs to contain a microbit connected to a battery pack ...
5TableLegs's user avatar
0 votes
0 answers
31 views

Can I estimate fire temperature from a building's colour?

I am studying a building that was impacted by a fire (from a Natural Hazard perspective, so consider my engineering skills as inexistant!!). There are obvious changes in the outside paint's colour, ...
e5k's user avatar
  • 31
0 votes
0 answers
35 views

What methods can be used to stabilize a vibratory bowl used for orientation

I have a project where we are using a vibratory bowl to feed in parts to an assembler. The issue I am having is that the calibration sticker on the side is very out and a single line is very difficult ...
Teyash Arjun's user avatar
0 votes
0 answers
32 views

Looking for the name of a certain type of room

I don't know if this is the place to ask, but I am wondering about the name for a certain type of room in a building. I am thinking about the ones where it is basically like a central room, but it is ...
Zoey's user avatar
  • 101
0 votes
2 answers
75 views

Waterlogged multistorey apartment

I fraction invested in a real estate project several years back. Mid way through the construction, after about 12 floors, the building contractor filed for bankruptcy. An asset reconstruction company ...
cryptex's user avatar
0 votes
0 answers
62 views

Is there a miniture atmospheric water vapor condenser?

I am looking to add a condenser for a plant preserving container. The plants need water and I was wondering if I can have a passive method to condense atmospheric moisture to water. My container is ...
Anwar Elhadad's user avatar
0 votes
0 answers
491 views

Seismic Design Changes between ASCE and UBC Code?

what is the difference between the seismic design between ASCE and UBC code? from load combinations to loads applied to the history between the sudden shift or change in the code. and which one of the ...
J.Daou's user avatar
  • 503
0 votes
0 answers
50 views

Possible improved approaches to 6mx3m moment-resisting frame with eccentricity+torsion, in advance of detailed engineer discussion

I'm putting a steel frame in, to "open plan" the rear of a brick cavity-wall terrace house in the UK, which will then have a single storey extension added behind it. I have already retained a ...
Stilez's user avatar
  • 571
0 votes
2 answers
145 views

Could pre-stressed graphene be used to reinforce granite block construction?

I am curious whether this will become an option, especially for longer lasting structures. Could pre-stressed graphene or another high tensile strength material by used to reinforce granite block ...
Dev Slocum's user avatar
-1 votes
1 answer
191 views

Why don't buildings in South Asia have basements?

I see that buildings in the developed part of the world have basements. Why? But, I never see basements in most buildings in South Asia. Why?
user366312's user avatar
-1 votes
1 answer
59 views

Software for automatic building floorplan calculation / drawing (packing problem)

An apartment yield analysis is a set of draft drawings in which the optimum residential apartment layout and resultant yield is calculated for a given building site, taking into account development ...
user1330734's user avatar